Steel building accessories agency price- Manufacturers Factory Suppliers From China

Steel building accessories are constructed of steel materials. It is one of the main types of building structures. The structure consists mainly of steel bearings, steel columns, steel joints and other components made of profile steel and steel plates and uses rust removal and rust protection methods such as silylation, pure manganese phosphation, water washing and drying, galvanizing and so on.

How to use Steel building accessories?

Prefabricate and assemble Steel building accessories on the steel platform according to the installation sequence and process requirements to ensure the welding quality.

The spacing between the splicing joint of flange plate and web plate of section steel shall be greater than 200mm. The splicing length of flange plate shall not be less than 2 times of plate width; The web splicing width shall not be less than 300 mm and the length shall not be less than 600 mm.

In order to facilitate welding and ensure welding quality, the stiffener plates, connecting plates, base plates and cantilever beams (beams) on columns and beams shall be assembled and welded on the ground steel platform according to the dimensions of the construction drawing.

The Steel building accessories prefabricated on the steel platform shall not only be fabricated and assembled according to the construction drawings and specifications, but also consider the process of on-site installation and the change of installation size.

Why does Steel building accessories need post-maintenance?

Some Steel building accessories users do not know that steel structures still need to be maintained and maintained. As a result, there is serious corrosion that users often can't find out, which makes steel products appear many unsafe hidden dangers, reduces the safety of Steel building accessories in use, and even affects normal use functions. It is recommended that the design unit not only put forward the painting requirements of the steel structure in the painting design description of the steel structure, but also put forward the maintenance and maintenance requirements of the Steel building accessories according to its use.

How to prevent Steel building accessories from rusting?

There are many ways to prevent Steel building accessories from rusting, and the following are usually used.

 The steel structure is made of alloy steel that is not easy to rust

 Chemical oxide layer protection method

 Using metal coating protection method

 Non-metallic coating protection law

In the later maintenance and maintenance process, non-metallic coating protection method is especially commonly used. The surface of the component is protected by paint and plastic, so that it does not contact the surrounding corrosive medium, so as to achieve the purpose of anti-corrosion. This method has good effect, low price, and has a wide range of paint varieties, a wide range of options, and strong applicability. It is not limited by the shape and size of the component. It can form a film with any shape on the surface of the component. The adhesion is firm. It can also follow the temperature change. The components are telescopic and easy to use. It is also possible to give the component a beautiful color.

Great products begin with the best engineering staff, and Qingdao Xinguangzheng Steel Structure Co., Ltd. is ready to assist you with your technical requirements for Steel building accessories.

Plant Introduction of Sri Lanka Prefabricated Steel Structure Material for Power Plant 

Project Brief Description: Lakvijaya power plant, the largest power plant in Sri Lanka, is the company that undertakes the steel structure materials of wind barrier project. Designed and fabricated by Qingdao Xinguangzheng Steel Structure Co., Ltd. in 2019.

Qingdao Xinguangzheng steel structure Group is a public company with 1200 workers, 360000 ㎡ non-dust workshop, 25 years experience, CE, ISO9001, ISO9712, ISO3834, BV, SGS certificated, one hour reach Qingdao port, our company, as a manufacture, this is how we keep good quality and competitive prices for global valued customers.

We provide steel building design, farm house design, manufacture and installation service.

The project of steel structure hangar for African market constructed by Xinguangzheng Group has been completed smoothly. The Niger hangar project need comprehensive consideration, and a severer designing demand. The client has also a higher requirement for the portal.

Given the strictly demand for portal, Xinguangzheng has offered the most specialized blue print as well as installation services, and has finished the project excellently. We have thus gained our clients' trust and support.

Xinguangzheng will continuously seek for technical breakthroughs and new products, offer integrated settlements, and provide our clients with best products and best services, to give our clients more happiness.

 

Introduction of Project:

 

Project address: Davao

Size: 123m * 16m * 2.5m

Detailed parameters: the beams and columns are H-shaped steel, the roof and wall are compounded with 0.4mm veneer + 75 thick glass wool quilt + 0.4mm veneer, and the side wall is insulated door (EPS composite board). The steel structure chicken house adopts the automatic breeding and cleaning system, with a height of 500mm from the ground, and the plastic floor is paved on it to ensure the cleanliness of the chicken house. At present, the survival rate of chickens is 99%.

1.Material of cage and frame is hot dip galvanized steel. The zinc thickness is 275g/m². The life span can reach 15-20 years.

2.The reasonable design of the feeding regulator ensures the regulator move stably, and the birds will not run away and get stuck.

3.Small water cup, feed trough and plastic net are equipped for day old birds.

The full name of MDC is"MONDU DA CASA (home world)", which is constructed by Qingdao Xinguang Zheng Steel Structure Co., Ltd. This is a comprehensive shopping center centering on the theme of "happy home". This theme is the same as the enterprise mission of "benefiting the society, achieving employees and making customers happier". In addition to "home world", she has another interpretation of "modern decoration Center".

MDC is located in KIKUXI section of Luanda expressway, surrounded by Angola national stadium, high-end residential villa area, Brazil nursery garden, and Luanda commercial pedestrian street under planning, with superior geographical environment and convenient transportation.

"MDC home world" shopping center covers an area of about 30000 square meters. Relying on the global procurement network, it has gathered kipor generator 4S shop, furniture store, building materials store, home furnishing store and home appliance store. The categories include building materials pipe fittings, wood, floor tiles, paint and coating, decorative lamps, kitchen and bathroom equipment, hardware tools, electrical and electrical materials, gardening supplies, cloth furniture, home appliances, etc., and also auxiliary It is one of the most comprehensive "one-stop purchasing" centers for home furnishings in Luanda with public service facilities such as business office, catering, leisure and entertainment, bank, etc.

Steel structure workshop is composed of frame, beam, wall and weighing column, etc. In the design of single-layer steel structure workshop, the first thing to ensure that the structure of the workshop does not affect the use of the second in the design time to calculate the bearing force of the beam, the selection of materials to meet the relevant standards.

Composition of single-layer steel structure workshop:

1. Transverse frame: composed of columns and the roof truss or roof beam supported by it, it is the main load-bearing system of the steel structure of single-storey workshop. It bears the dead weight of the structure, the wind and snow loads and the vertical and horizontal loads of the crane, and transfers these loads to the foundation.

2. Roof structure: structural system bearing roof load, including transverse frame beam, bracket, middle roof frame, skylight frame, purlin and so on.

3. Support system: including the support of the roof part and the support between columns. On the one hand, it forms the longitudinal frame of the steel structure of the single-storey workshop with columns and crane beams to bear the longitudinal horizontal load; On the other hand, the main load-bearing system is connected by individual plane structure into the whole structure of space, so as to ensure the necessary stiffness and stability of the steel structure of the single-storey workshop.

4. Crane beam and brake beam (or brake truss) : mainly bear the vertical and horizontal load of the crane, and transfer the load to the transverse frame and longitudinal frame.

5. Wall frame: Bear the dead weight and wind load of the wall.

Single-layer steel structure plant design points:

1. In the column network arrangement of single-storey steel structure buildings, when column spacing is not equal, especially the column spacing of each longitudinal column column, the columns should be arranged on the common horizontal positioning axis to ensure the stiffness requirements of the workshop, so that the workshop can be used normally.

2. For the temperature expansion joint section length of single-storey steel structure building, it is better to set the expansion joint when the plant structure exceeds the designed value under special circumstances. This has the advantage of being separated into independent structures, making temperature changes negligible after a drop.

3. The transverse frame calculation of single-storey steel structure building. The transverse frame structure transfers the load and action of the plant structure to the foundation, which is the main load-bearing structure of the plant.

4. Calculation of longitudinal force transmission system of single-storey steel structure building, steel column, column.

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Qingdao Xinguangzheng steel structure group is a leading manufacture in China. With 25 years experience, we have confidence to provide you the highest cost performance.

Ⅰ. Steel column installation for steel structure construction

1. Installation sequence of steel column:

① Foundation setting out → ② binding → ③ hoisting → ④ correction → ⑤ final fixation

2. Installation method of steel column:

(1) Setting out:

A. Elevation control:

In this structural steel construction  project, iron parts and "middle bars" are controlled according to the depth of concrete cup mouth, the elevation of steel column bottom and the embedded elevation in the center of the bottom of the cup mouth during the construction of concrete foundation (φ30 steel bars), the elevation of top surface of "middle reinforcement" is based on the elevation of steel column bottom, and the elevation error of iron parts is controlled in ± Within 1mm.

To ensure the steel column is embedded in the foundation accurately and firmly φ On the 30 "middle reinforcement", weld a steel plate with thickness of 20 at the bottom of H-shaped steel column, as shown in the figure below.

When installing structural steel column, clean the foundation cup mouth first, and check the embedded elevation control "middle reinforcement" in the foundation（φ The actual height of 30 steel bars) is not necessary because the elevation embedded in the foundation construction has been controlled precisely, and no additional iron pad is needed. The method is simple, fast and efficient for the treatment of steel column feet. The construction is fast and the force is reasonable. When the column is lifted, it can be adjusted freely in several directions when the elevation is unchanged.

 

B. Before installation, the vertical and horizontal axis reference lines of the foundation plane shall be placed on the top of the cup mouth by woodworking ink bucket as the installation and positioning line of steel column.

 

(2) Column binding and hoisting:

A. after the steel column enters the site, the steel column shall be arranged according to the position of the lifting plan, and the model and number shall be checked to see if they are correct. The plane position of steel column after entering the site is shown in the following figure.

B. Before the column is lifted, a horizontal line shall be drawn with red oil paint 2300mm upward from the bottom of the column, so as to recheck the plane elevation datum before and after the installation and fixation.

 

C. the column installation belongs to vertical hoisting. In order to keep the suspended column drooping and facilitate the positioning, the binding point is determined at the lower part of the bracket. In order to prevent the sharp edges and corners of the column edge from damaging the lifting rope during hoisting, the rubber belt of the old car is used to separate and cover the edge and corner lifting rope. Pay attention to binding firmly and easy to remove.

 

D. temporary steel ladder and high-strength bolt installation fixture of working platform shall be bound on the steel column.

 

E. in order to avoid the free swing of the suspended column, hemp rope should be used to tie the upper part of the column bottom as a restraint rope and adjust the direction.

 

F. according to the site conditions, the rotation method is adopted for hoisting

 

After the preparations before hoisting are ready, the trial hoisting shall be carried out first. When the height of the steel column is 200 mm above the ground, the hoisting shall be stopped to check whether the rigging is firm and whether the crane is stable. After confirming that there is no problem, the crane can be directed to slowly lift, rotate to the top of the cup mouth, and then slowly descend. When the distance between the bottom of the column and the design position is 40-100 mm, adjust the two datum lines of the column body and the foundation to reach the accurate position, direct the crane to descend to the position, and temporarily fix the column with steel wedge (or wood wedge) and wind rope to remove the hook.

 

• Key points of rotation method:  

The method of lifting the column by rotating the column around the column base is called rotation method, as shown in figure a below. When the column is hoisted by rotation method, in order to improve the hoisting efficiency, when the steel column enters the site, the binding point of the column, the center of the column base and the center of the cup foundation should be placed on the arc with the crane stop point as the center and the distance from the stop point to the binding point (i.e. the turning radius of the column), as shown in Figure B below.

 

 

The steel column hoisting is shown in the figure below:

 

(3) Preliminary correction of column:

  The column should be corrected on the side with large deviation first, and then on the side with small deviation.

 

A. The correction of column generally includes plane position, elevation and perpendicularity.

 

B. When the steel column is hoisted in place, it is one-time alignment, and generally it does not need plane re correction. For the elevation of the column, it has been used before hoisting φ The embedded "middle reinforcement" can accurately control the elevation. Generally, it only needs to be checked, and it does not need to be corrected. Therefore, the steel column correction is mainly to correct the verticality and recheck the elevation.

 

C. In this project, the perpendicularity of the column is observed, and two theodolites are used for measurement and correction.

 

• First, place the theodolite on one side of the column, align the longitudinal center wire with the baseline of the column base, and then fix the screws of the horizontal plate.

 

• Measure the center line of the column and observe from bottom to top. If the vertical center line is aligned, that is, the column is vertical. If it is not aligned, the column shall be adjusted until it is aligned with the longitudinal center line of theodolite.

 

• Measure the horizontal line in the same way so that the center line of the other side of the column is perpendicular to the horizontal axis of the baseline. After the column is accurately positioned, the column can be fixed.

 

• Verticality correction of steel column: distance adjusting screw rod and steel wedge are used. Due to the small contact surface of the long side of the column, the base plate is set during the construction. The details are as follows.

 

 

The manufacturing dimension of steel wedge is shown in the figure below:

 

(4) Final alignment and fixation of steel columns:

After the steel column is hoisted in place, the column correction mainly involves the adjustment of elevation and the correction of verticality; The correction method can use tools such as wind rope, Jack, crowbar and steel wedge (or wooden wedge) to apply vertical force and lateral force of pulling, jacking, supporting and prying to the steel column.

 

Adjust the verticality, positioning axis and elevation of the column. After confirming the correctness, the gap between the steel column and the foundation cup mouth shall be poured with C40 fine stone concrete. The expansive high strength grouting material is preferred.

 

Ⅱ Protection of site components:

 

1) The unloading of components shall be careful to prevent damage and prevent collision and extrusion between members.

 

2) The members shall be stacked in order at the designated site, and the number of layers stacked by steel beams shall not exceed 3 layers to prevent the members from squeezing and deformation.

 

3) Before hoisting, oil, sediment and dust on the surface of the components shall be cleaned.

 

Ⅲ The placement of components and the requirements for the site

 

1) When unloading, the components are unloaded directly near the installation position and within the radius of rotation of the crane. Mark the number clearly with a clear color pen to facilitate lifting.

 

2) The components are placed in order in the site, and a certain gap is reserved between adjacent components to facilitate binding.

 

3) The site shall be solid and flat, and the components shall not be polluted due to rain and snow, and the vehicle with 30 ton level can be walked.

 

Ⅳ Steel structure building installation

 

Preparation before hoisting of steel column:

Before hoisting the steel column, the cable wind rope shall be tied to the column body. The lifting point shall be at the bracket position, and the double wire rope shall be set up and down, and the snap ring can be checked to be qualified before entering the next work. Before hoisting the steel column, the positioning axis, foundation axis and elevation, cup opening size and the height of the bottom standard of the steel column must be inspected and handed over and accepted. The number, outline dimension, screw hole position and diameter of the steel column shall be comprehensively reviewed. After confirming that it meets the requirements of design drawings, draw out the installation center line and the lower end elevation line of the steel column.

 

Ⅴ Steel column hoisting

 

(1) installation method of steel column

 

Before lifting the steel column, the wooden board shall be fixed at the column foot to prevent damage to the column foot and other structures.

 

Special hoisting steel wire rope is used for steel column binding. Wood or rubber sheet shall be used to prevent damage to the steel column.

 

The steel column is installed by a 25t truck crane. When the steel column is lifted, the crane shall hook and rotate the arm while lifting the steel column to make the steel column vertical away from the ground.

 

(2) positioning adjustment and temporary fixation

 

When the steel column is lifted to 200mm above the base cup mouth, it will be stable, and it will fall slowly at the base cup mouth. Avoid hitting the concrete edge of the foundation cup mouth during falling. After implementation, use special angle ruler to check, adjust the steel column to make its positioning line coincide with the foundation positioning axis. Three people are required to operate the adjustment, one person moves the steel column, one person helps to stabilize and the other person conducts the test. The positioning error is controlled within 2mm.

 

(3) when adjusting the elevation of the steel column, place the pad iron at the bottom of the cup foundation, use the level to super level the bottom plate elevation of the steel column as the top elevation of the pad iron, so that the elevation after the steel column is in place can meet the design elevation requirements, mark the elevation datum point on the column body, and then use the level to measure the installation elevation after it is installed in place.

 

(4) the verticality of the steel column shall be preliminary adjusted by the level ruler. Then two theodolites are used to observe from both sides of the column at the same time, and the adjustment is carried out by relying on the cable wind rope. As shown in the figure below:

 

Diagram of verticality adjustment of steel column

 

(5) after the adjustment, use eight iron wedges to position the gap between the bottom of the steel column and the base of the cup mouth, and then spot weld the column to make it stable.

 

Ⅵ Steel beam installation

 

Steel beams must be stacked in order on site for this steel work in construction. Sleepers must be placed in the middle of each layer of steel beams. Two lifting points for steel beam hoisting are selected on both sides of the center of gravity of the steel beam. The two lifting points should be 800mm away from the support and the middle of the span, and the distance between the two lifting points should be increased according to the length of the steel beam.

 

To ensure safety and prevent the sharp edge of the steel beam from cutting the steel wire rope, the steel wire rope shall be protected, the angle of the sling shall not be less than 450, and the steel beam shall be directly tied and rolled with the steel wire rope or lifted with a special fixture.

 

Before hoisting the steel beam, install the safety rope on the steel beam. When hoisting, hang two sliding ropes at both ends of the steel beam. Two people pull two sliding ropes respectively. The hoisting speed of the steel beam must be slow. In order to ensure safety, personnel should not stand directly under the beam. The cloth bags specially used for placing high-strength bolts are put on both ends of the steel beam. When the steel beam is hoisted above the position, the steel beam is put in place. The falling speed of the steel beam is controlled at 3m / min. two installers are arranged at both ends of the steel column head to prepare for the installation of the steel beam. When the steel beam is close to the in place position, two installers should hold the upper flange of the steel beam with their hands respectively, drag the steel beam to the in place position, and prepare to install the high-strength bolts.

 

Ⅶ Installation of retaining structure and support corner brace

 

1) Installation of roof purlin: when the main structural steel forms a frame section, the roof purlin is hoisted to the main beam of the roof with a crane and installed manually. The purlin can also be manually pulled onto the roof with a white synthetic rope for installation. After the installation of purlin, the purlin support is installed in time.

 

2) Wall purlin installation: when the main structure forms a frame section, the construction personnel stand on the scaffold platform and pull the wall purlin to the installation position with white comprehensive rope.

 

3) Corner brace installation: after the main body is welded, the corner brace is connected.

 

Ⅷ Measurement and correction of steel column

 

Verticality correction of steel column

 

When the steel column is installed and corrected, two theodolites are set up on the control line with 90 degree translation of 1 meter each other, and the theodolite operators observe the small steel ruler on the top of the column, measure the deviation of the steel column and direct the correction.

 

A. Control the verticality of the steel column between the first hoisting joints.

 

B. Steel column calibration is divided into four steps:

 initial calibration during initial tightening; Re-calibration before final tightening; Tracking and monitoring during welding process; Final result measurement after welding.

The perpendicularity can be roughly controlled with a long level before the initial tightening, and it can be accurately corrected after the frame is formed. After welding, retest shall be carried out, and the measurement results shall be compared with those at final tightening, so as to be the basis for the next construction.

 

C. Verticality measurement method of C steel column

Initial correction: the perpendicularity of the steel column is preliminary adjusted with a level ruler.

Accurate correction of steel column perpendicularity: one column grid is used as an installation section for the hoisting of the main frame until the hoisting of three continuous complete sections is completed

After the whole is formed, the measurement correction can be inserted. Two theodolites are used to observe from both sides of the column at the same time, and the wind rope is used for correction and adjustment.

 

Ⅸ Steel structure survey

 

 

2) Elevation control of steel column

Based on the elevation reference point of the plane layer where the steel column is located, the deviation value of the horizontal elevation of the steel column is measured with the level gauge and the correction is directed.

3) Steel beam measurement

After the steel column is hoisted and corrected, the +1.00m control point shall be measured to each steel column according to the site level as the basis for vertical transfer of elevation and the elevation of beam installation; Pop up the center line of the steel beam on the surface of the steel beam.

The control axis is measured to the column body to control the beam position offset; The accuracy of beam elevation is controlled according to the control point of column elevation. Set up theodolite on the floor platform, and then look at the cross angle to the axis of the corresponding beam. Aim at the center line of the upper surface of the beam to the other end with theodolite to see if the number coincides with the axis of the beam.

Calculation of survey and lofting data

 

In this project, the computer automatic query method is used to calculate the survey and lofting data. The specific steps are as follows:

1) The establishment of data model

Firstly, according to the design coordinates and the dimension relationship of each building in the design drawing, the building, building axis, control line to be lofted and so on are drawn in AutoCAD according to the proportion, and the data model is established.

2) Survey and lofting data query

After drawing the survey loft data model, the survey loft data such as the angle and distance between the known basis (axis control pile, lofted axis, etc.) and the control line to be lofted are queried by using the command of dist of AutoCAD.

3) Advantages of computer automatic query

The method of computer automatic query is used to obtain the required measurement and positioning data. It is not only convenient to calculate, but also has high precision. The distance precision can be set to 0.1mm, 0.01mm, and the angle precision to 0.0 ", 0.00" or higher according to the actual situation.

 

Ⅹ Construction of high strength bolt

 

1. Preparation before installation

1) Test and inspection of high strength bolt

Anti slip coefficient test

The project adopts class 10.9 large hexagon high-strength bolts. The anti slip coefficient test of high-strength bolts shall be conducted by taking the most representative thickness of the plate in the project for test, and three groups shall be made.

The size of the specimen plate is as follows:

Axial force test

Randomly select the bolts to be installed at the construction site, and 8 sets of bolt pairs are selected for re inspection in each batch.

 

2) Transportation and storage of high strength bolts

transport

The form, size and technical conditions of high-strength bolt connecting pair shall be manufactured and supplied by the manufacturer according to batch, with factory certificate and high-strength bolt connection pair, which shall conform to the provisions of national standards gb1228-1231-84 and gb3632-3633-83. High strength bolts with large hexagon for steel structure

The connecting pair consists of a bolt, a nut and two washers. The combination of use shall meet the national standards, and the high-strength bolt connection pair shall be supplied with storage and transportation in the same batch.

The high-strength bolt connecting pair shall be installed and placed lightly during loading, unloading, transportation and storage to prevent the packing box from being damaged or damaged.

 

Storage of high strength bolt warehouse

1. the high-strength bolt connection pair shall be cleaned according to the specification, batch number and supply date of the packing box, and shall be kept in the indoor warehouse, and the accumulation shall not be higher than 3 layers. The indoor moisture-proof, long-term dry, rust and dirt contamination shall be prevented, and torque coefficient shall be prevented from changing. The bottom layer shall be more than 300mm above the ground level.

2. when installing on site, the quantity of high-strength bolts required on the day shall be issued. The rest should be kept properly. Do not put it in disorder, damage the thread, and be contaminated with dirt.

3. before using the long-term storage high-strength bolt connection pair, a comprehensive quality inspection shall be conducted again. If any abnormal phenomenon is found after unpacking, the inspection standard shall be conducted according to the relevant provisions of national standards gb1228-1231-84 and gb3632-3633-83. It can be used after being qualified.

 

3) Construction management of high strength bolts

 

1. Construction Manager

When carrying out the construction of this high-strength bolt, the high-strength bolt manager shall be determined first to be responsible for the project management, quality management and guidance of the construction personnel.

2. weather management (climate conditions)

In principle, no operation shall be carried out during rainfall and snowfall. If rain or snow fall occurs during operation, the speed shall be accelerated to lock the unfinished ones

3. friction surface management

Before tightening, the friction surface shall be inspected first. If there are any attachments to reduce bearing capacity of friction surface, such as rust, oil, paint and residue, metal brush, sandpaper and oxygen acetylene flame shall be used for removal.

4) Construction of high strength bolts

1. final tightening of temporary bolts

Before inserting high-strength bolts, temporary bolts shall be used to tighten the connection tightly, if the materials of the connection parts are bent or warped, they shall be corrected.

If the difference of holes is within 2mm, it can be corrected by cutter.

If the difference of holes exceeds 2mm, reasonable treatment methods such as replacement of panel shall be adopted based on consultation with management personnel, and gas cutting and reaming are not allowed.

2. high strength bolt insertion

The nut and gasket of high-strength bolt shall pay attention to the installation direction, and install according to the following figure.

When inserting bolts, pay attention not to attach rust, dust, oil, etc. to the bolts. In addition, do not force into the bolt hole during construction to avoid damaging the thread.

3. initial tightening

After the temporary fixing bolts are locked, confirm the compactness of the components.

After initial tightening, mark with white marker through bolt nut, gasket and component.

 

When using the inspection wrench, although the torque value can be confirmed by the contact sound, it is easy to over tighten if the mechanism continues to apply force, so it should be noted.

 

 

4) Final tightening

After initial tightening, use special fastening wrench to lock until the neck is broken.

In principle, the bolts inserted on the same day shall be screwed out on the same day.

The development of residential steel building conforms to the industrial technology policy of protecting arable land and saving energy, and is also one of the production methods for realizing residential industrialization. The development of steel structure housing is the general trend.

• What is the layout of the residential steel building?

• What issues should be paid attention to when designing residential steel building?

• Why pay attention to the design of residential steel building?

What is the layout of the residential steel building?

residential steel building’s column grid layout should be regular, and it is advisable to use residential units or sleeves as the unit to achieve modularity. The modular flat connection, wrong connection and symmetrical concave (convex) connection and other splicing adapt to changes in the overall layout .

When the residential steel building module adopts small column net, it should be combined with the floor and pipeline design; when the module adopts large column net, the facility pipeline should be designed as a fixed-positioned tube bundle, and the electrical and communication lines can be along the cavity and skirting of the partition wall. , Mirror hanging line or top line arrangement.

The kitchen and bathroom are located close to the concrete core tube or concrete shear wall, and avoid steel structure load-bearing components to facilitate the fire prevention and anti-corrosion treatment of steel components.

Vertical pipelines are centrally arranged in pipeline wells or pipeline walls, or installed on site using factory prefabricated tube bundles.

The toilet is drained on the same floor. Use a double pipe system for centralized heating, and use a temperature control valve and a heat meter. Use the equipotential characteristics of the steel structure to make a natural ground connection.

What issues should be paid attention to when designing residential steel building?

residential steel building should be dominated by construction and design, and other professions should interact closely with each other. In addition to following the general principles of residential building design, residential steel building must also focus on solving:

(1) How to make use of the advantages of steel structure? The beam span can be enlarged, the bays can be more flexible, and more space can be created for residents. But how to avoid the flatness and monotonous facade of the building caused by the steel structure.

(2) It is necessary to solve the fire protection and anti-corrosion problems of steel structure residential buildings. Especially in rainy areas, the quality of anti-corrosion and anti-rust work directly affects the promotion of steel structure housing.

Why pay attention to the design of residential steel building?

The cost of residential steel building is the most concerned issue of real estate developers. Steel structure residences should be positioned in middle and high-end residences. Steel structure residences are a systematic project. Management and coordination should be strengthened from design, manufacturing, transportation, installation, maintenance and management, so as to reduce costs and improve overall economic benefits. the goal of.

Qingdao Xinguangzheng Steel Structure Co., Ltd. strives to provide top-quality residential steel buildings with reasonable prices, efficient production time, and the most professional customer service.

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