It is a double lateral force resisting system.

Technical characteristics of portal frame light steel structure system: the load-bearing structure adopts variable cross-section or equal cross-section solid web rigid frame, and the enclosure system adopts the single-layer steel structure system of light steel roof and light external wall, which is composed of load-bearing skeleton, purlin, wall beam, support, wall, roof and thermal insulation core material.

Technical characteristics of light steel frame structure system: pure frame or frame support (shear wall) structure system composed of hot-rolled H-section steel, high-frequency welded H-section steel, ordinary welded H-section steel or special-shaped section steel, cold-formed thin-walled steel and other components.

All its components are precast in the factory and assembled on site, which has the characteristics of light weight, high industrialization, convenient on-site installation, etc.

The field of steel structure is extensive and profound.

Technical requirements: the central support should be cross shaped, monoclinic, herringbone or V-shaped.

Technical characteristics of steel frame brace (buckling restrained brace) structural system: a cast steel structural system composed of steel beams, steel columns and steel braces connected at the construction site, which can jointly bear vertical and horizontal actions.

Its design, fabrication, transportation, installation and acceptance shall comply with the provisions of standard for design of steel structures GB50017, technical specification for steel structures of high-rise civil buildings jgj99 and code for acceptance of construction quality of steel structures gb50205.

2.

Technical requirements: the elevation of the column top shall not be greater than 18 meters, and the height width ratio of the house shall be less than 1; The beam column connection of rigid frame shall adopt rigid connection, and the connection between rigid frame and foundation can adopt rigid connection or hinge.

Scope of application: six story and below multi-storey civil buildings 6.

Technical characteristics of stacked box modular integrated housing system: precast buildings composed of factory precast box steel structure integrated modules on the construction site.

The horizontal seismic shear force borne by the frame should not be less than 25% of the total seismic shear force and the minimum value of 1.8 times the maximum floor shear force calculated for the frame part..

Its equipment should be an independent system and should be coordinated with the overall building.

Technical requirements: the design, fabrication, construction and acceptance shall comply with the provisions of standard for design of steel structures GB50017, code for acceptance of construction quality of steel structures gb50205, technical code for modular construction of steel structures t/cecs507, and technical code for modular container houses cecs334.

Technical requirements: rigid joints or semi-rigid joints are used for the connection of steel beams and steel columns.

Technical requirements: the design, fabrication, construction and acceptance shall comply with the provisions of standard for design of steel structures (GB50017), code for acceptance of construction quality of steel structures (gb50205), technical specification for residential buildings with light steel structures (jgj209) and technical specification for light steel and light concrete structures (jgj383).

The module unit has structural independence, structural system identity and grouping, and has structural integrity after combination.

Scope of application: multi story and high-rise civil buildings 7.

The stress is clear, the node structure is simple, and it is convenient for assembly construction.

Scope of application: multi storey civil buildings with less than three floors (stacked box type) 4.

At present, the 22 systems summarized by the Xiaobian dare not be called XX Daquan.

Steel beams and steel columns are designed according to modularization and standardization.

Technical characteristics of the hinged steel frame portal support structure system at the beam end: the system is composed of hinged steel frame bearing gravity and portal support frame bearing lateral force.

Technical characteristics of steel frame structure system: cast steel structure system with shear and bending resistance, which is composed of steel beams and steel columns connected at the construction site, belongs to single lateral force resistant structure system.

Straight Anchor

Technical requirements: the design, fabrication, installation, acceptance and anti-corrosion shall meet the provisions of standard for design of steel structures GB50017, code for acceptance of construction quality of steel structures gb50205 and technical code for cold-formed thin-walled steel structures gb50018; It should also comply with the technical code for construction of low rise cold-formed thin-walled steel buildings jgj227 (below three floors); Technical standard for Cold-Formed Thin-Walled Steel multi-storey residential buildings jgj/t421 (below six floors).

The portal support can not only provide lateral stiffness for the structure, but also does not affect the opening of door and window openings.

The joints can be bolted, welded and bolted welded.

Its design, fabrication, transportation, installation and acceptance shall comply with the provisions of standard for design of steel structures GB50017, technical code for steel structures of light-weight buildings with gabled frames gb51022 and code for acceptance of construction quality of steel structures gb50205.

Technical characteristics of cold-formed thin-walled light steel housing system: the housing components adopt the structural system of processing and assembling light steel keel formed by hot-dip aluminum zinc steel strip through cold processing.

Technical requirements: the steel column shall be vertically connected, and the beam column joints shall adopt hinged points.

1.

K-shaped support should not be used in high-rise buildings.

The design, fabrication, installation and acceptance shall meet the requirements of standard for design of steel structures GB50017, code for acceptance of construction quality of steel structures gb50205, technical standard for precast steel structures gb/t51232 and technical code for precast steel structures db37/t5115.

From today on, Xiaobian has launched 22 systems that have been sorted out and will continue to improve for your reference.

Larger design units and large-scale steel structure companies have generally been involved in some systems in this field so far.

3.

Steel braces can be divided into central braces, eccentric braces, buckling restrained braces, etc.

It has the characteristics of simple stress, clear force transmission path, fast component manufacturing, easy industrialized processing, short construction cycle, etc.

Scope of application: six story and below multi-storey civil buildings 5.

Scope of application: civil buildings with three floors and below.

Scope of application: single story houses, mainly single-story industrial plants.