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Construction method of rigid foam polyurethane sandwich panel with metal surface
Construction requirements The system consists of purlin, wall frame, polyurethane sandwich panel and accessories Construction points and precautions 1. 1. Before construction, special construction organization design scheme shall be prepared and submitted to the technical department of the gen...Read more -
Influence of several factors on steel structure material
Steel structure Alliance Building the first communication platform of steel structure industry chemical composition Carbon: the main component of steel strength.With the increase of carbon content, the strength of steel is improved, but the plasticity, resistance to cold bending, weldability ...Read more -
Construction method and quality standard of steel structure fastener
Scope of application It is mainly applicable to the installation construction method and quality standard of ordinary bolts, torsional shear type high-strength bolts, large hexagon head high-strength bolts, rivets, self tapping screws, pull rivets, shooting nails, anchor bolts, anchor bolts and ...Read more -
Ten installation points of frame steel structure
Steel column installation 1.Installation sequence of steel column: ① Foundation setting out → ② binding → ③ hoisting → ④ correction → ⑤ final fixation. 2.Steel column installation method: (1) Setting out: a. Elevation control: In this project, according to the depth of the concrete cup mouth, th...Read more -
Lightning protection design of steel structure workshop
In recent years, light steel structure buildings are widely used in various industrial workshops, warehouses, gymnasiums and other places due to their beautiful appearance, short construction period and low engineering cost.The metal sheet roof is easy to be struck by lightning, which is differe...Read more -
Construction measures of steel structure engineering in rainy season
（1） Construction measures in rainy season During the construction in rainy days, temporary protective shed should be set up, and the rainwater should not fall on the hot welding seam. If the welding part is wet, it must be cleaned with dry cloth and dried with oxyacetylene flame before welding...Read more -
Construction quality control points of steel structure engineering
Key points of construction quality control 1 Construction preparation Construction preparation is a necessary condition for construction. It plays an important role in giving full play to people’s positive factors, reasonably organizing human and material resources, speeding up project pro...Read more -
Characteristic analysis of several steel sections in steel structure
1、 Floor bearing plate It is also called steel bearing plate and building profiled steel plate. It is made of galvanized steel plate by rolling and cold bending. Its cross section is V-shaped, U-shaped, trapezoidal or similar waveforms. It is mainly used as permanent formwork and can also be se...Read more -
Steel structure engineering quantity calculation and quotation key points
Part I drawings 1、 Drawings: according to the drawing catalogue, clear and check the number of drawings and check whether there is any omission. 2、 Construction drawings 1. General description of design (1) Construction area, structural form, column spacing, span and structural layout; (2) sco...Read more -
Classification and marking of steel
、 Ferrous, steel and nonferrous metals Before introducing the classification of steel, the basic concepts of ferrous metals, steel and non-ferrous metals are briefly introduced. 1Ferrous metals refer to iron and its alloys.Such as steel, pig iron alloy, cast iron, etc.Steel and pig iro...Read more -
Application of large span and space steel structure construction technology
Several common construction methods of large span steel structure 1、 High altitude in situ unit installation method High altitude in situ unit installation method High altitude in-situ installation method includes high-altitude in-situ bulk method and high-altitude in-situ unit installation met...Read more -
Analysis of long span roof truss structure
1、 Structural form Large span structures can be divided into two types: plane structure system and space structure system according to different geometry, combination mode, structural materials and mechanical characteristics. Plane structure system: beam structure (plane truss, space trus...Read more
