Description of color plate sliding door: ■ color plate sliding door can be made into single-layer color plate, double-layer color plate and sandwich plate as required
.
Section Description: ■ the gutter is made of steel plate; According to the selected material and coating of steel plate, it can be divided into ordinary steel plate gutter, galvanized steel plate gutter and stainless steel plate gutter
.
■ window sashes can be fixed window sashes and sliding window sashes
.
9 there is a lack of steel varieties and it is necessary to use imported steel instead
.
■ the top profiled steel plate can be replaced by daylighting plate as required
.
10
.
Description of cv-225-900 board: ■ the daylighting board type is used with hv-225td-900 board
.
11-2-2
.
14-3
.
Wall opening Description: ■ the dimensions of W1, W2, W3, W4 and W5 vary according to the different wall profiled steel plates and wall beams
.
Description of cv-205-820 board: ■ the daylighting board type is used with hv-205td-820 board
.
The steel grade meets the design requirements, while the material guarantee provided by the manufacturer lacks some performance requirements proposed by the design
.
8-4
.
Gutter 10-1, color plate outer gutter wtg-1 Wtg-2 type 10-2
.
2
.
Attention shall be paid to economy, and the good shall not replace the bad arbitrarily, and the quality gap shall not be too large
.
■ one frame is set every 1.5m, which is connected with roof purlin or special beam through lower connecting hole
.
Description: ■ W1 has different values due to different profiled steel plates of interior wall; W2 takes different values according to the difference between brick wall and wall beam
.
7 steel specification (size) is inconsistent with the design requirements, It is necessary to replace the large with the small or the large with the small
.
9
.
It is necessary to replace the steel of different specifications and varieties
.
■ aluminum profile or plastic 14, flashing plate and trim plate can be selected as profiles
.
Description of color plate double door: ■ color plate double door can be made into single-layer color plate, double-layer color plate and sandwich plate as required
.
■ except cv-475-475, other daylighting panels shall be treated according to the above figure
.
12
.
14-4
.
Otherwise, it is allowed to be used when one of the guarantee items required for the mechanical properties of 12 steel is used according to class a steel, and the tensile strength is less than 5% lower than the specified lower limit, When the yield point is less than 5% lower than the specified value, the design strength can be reduced proportionally; When the cold bending is qualified, the upper limit of tensile strength can be unlimited
.
If the chemical composition of steel is within the allowable deviation range, it can be used
If the test does not meet the requirements, It can be used for non load bearing structural members according to the actual situation
.
The variety of steel is incomplete, and it is necessary for other specialties to use steel to replace building structural steel
.
It can be used only after the calculation meets the requirements
.
Description of hollow metal doors: ■ hollow metal doors are used in offices and other rooms in civil buildings and industrial buildings
.
Description of cv-380-760 board: ■ the daylighting board type is used with hv-380sf-760 board
.
■ the shear stud and frame beam are welded with special tools
.
1
.
The supply of material specifications and varieties is incomplete
.
Point ventilator Φ 500 unpowered ventilator ■ other models of ventilator can be provided, but sufficient supply time is required
.
Check whether it is reasonable and in line with relevant regulations, and then recalculate according to the steel design strength to change the structural section, weld size and relevant node structure
.
The steel grade and performance of 6 steel are inconsistent with the requirements put forward in the design
.
5
.
Description of cv-197-788 board: ■ the daylighting board type is used with hv-197td-788 board
.
Note: ■ the waterproof treatment between ventilator and roof profiled steel plate can also be treated with detai cover
.
11
.
Description of cv-475-475 board: ■ the daylighting board type is used with hv-475sf-475 board
.
Generally, the tension member is higher than the compression member; Welded structure is higher than bolted structure; Thick steel plate structure is higher than Pu steel plate structure; Low temperature structure is higher than normal temperature structure; The structure subject to dynamic load is higher than the structure subject to static load
.
Important structures should have reliable test basis
.
14-2
.
8-3
.
8
.
Supplementary tests shall be conducted and can be used only after passing the test
.
Be very cautious, except that the mechanical properties meet the design requirements, In terms of chemical composition, attention should be paid to weldability
.
Ventilator 11-1
.
Description of ridge natural ventilator: ■ ventilator is divided into four specifications: 1m, 1.5m, 2M and 2.5m according to throat width WM, and its length is determined according to required air exchange rate and house length
.
3
.
Steel plate inner gutter 10-2-1
.
If the structural properties and service conditions permit, and the material difference is small, it can be replaced with the consent of the design
.
Description that the wall is flat on the roof: ■ the dimensions of W1 and W2 vary according to the different profiled steel plates on the outer layer of the roof
.
Generally, substitution is not allowed
.
The steel properties meet the design requirements, and the quality of steel grade is better than the design requirements, such as Q235 killed steel instead of Q235 fluidized bed steel, open hearth steel instead of top blown converter steel, etc
.
10 the steel grade of steel can not be determined
.
11-2
.
Connection node figure 8-7-1, cv-475-475 plate connection node 8-7-2, description of other plate connection nodes: ■ the above figure is the connection node figure of cv-203-406 plate; The self tapping screw penetrates the daylighting plate (and profiled steel plate) and is connected with the purlin
.
Note: ■ due to the heavy weight of the powered fan, a supporting keel must be set at the lower part to bear the fan load
.
Description at wall top: ■ W value varies according to different wall beams and profiled steel plates
.
In case of any situation, change methods and measures shall be borrowed
.
Description of powered ventilator: ■ the powered fan drives the turbine to rotate by the motor to complete ventilation
.
14-6
.
12-2
.
8-7
.
14-5
.
Description at roof ridge: ■ the dimensions of W1 and W2 vary according to different roof profiled steel plates
.
11 the chemical composition of steel has a certain deviation from the standard
.
It is not allowed to replace the small with the large at will
.
12-3
.
14-4-2
.
It shall be verified whether its chemical composition and mechanical properties meet the standards of corresponding steel grade
.
It can be flexibly adjusted according to the principle of steel selection
.
8-5
.
4
.
Floor support plate 9-1, hg-344-688 plate 9-2, hg-240-720 plate 9-3, connection diagram connection node Description: ■ hg-240-720 plate connection refers to hg-344-688 floor support plate connection diagram
.
The number of test pieces for supplementary test shall not be less than 3 for each heat of steel and each model and specification
.
8
.
Door 12-1
.
Due to the incomplete variety of steel, it is necessary to replace ordinary low alloy steel with each other, such as 15MnV instead of 16Mn
.
Find 80mm × 43mm × Weight per m of 5mm channel steel.
.
13
.
Description of the joint between brick wall and profiled steel plate wall: ■ W1 and W2 dimensions change according to the profiled steel plate type
.
Junction of gable and roof 14-4-1
.
The technical conditions for the production of substitute steel shall be compared with the technical conditions of building steel to ensure the safety and economic rationality of substitution
.
Roof daylighting plate 8-1 and cv-203-406 plate Description: ■ this daylighting plate type is used with hv-203kl-406 plate
.
Description of wall protruding from roof: ■ W1 and W2 dimensions vary according to different profiled steel plates on the outer layer of the roof
.
8-2
.
Window Description: ■ on the elevation, you can select independent window or full-length strip window
.
The performance of steel can meet the design requirements, while the quality of steel grade is lower than the design requirements
.
8-6
.
If it is used for main load-bearing structures, the chemical composition and mechanical properties test must be carried out one by one
.
