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Steel space grid gas station project construction

Dit projekt is in fjouwerkant romteframe / hichte 16 meter / totale lingte 30 meter / totale span 18 meter

1. De ynstallaasje fan it stielen romte frame moat wurde útfierd nei de akseptaasje fan de legere struktuer as en it ynbêde board.De easken foar de legere stipe binne: it hichteferskil tusken neistlizzende stipen (ôfstân L2): de lytsere wearde fan L2/800 en 10mm, op deselde hichte Hichteferskil tusken de heechste en leechste stipe: 20mm;

2. Bepale it ynstallaasjeproses fan it stielen romteframe neffens de krêft en strukturele skaaimerken fan it raster en de eigentlike boubetingsten op it plak;

3. Nei't it stielen romteframe ynstalleare is, moat it kontrolearre wurde:

in.De tastiene wearde fan de fertikale en horizontale kant lingte ôfwiking is 1/2000 fan 'e lingte, en moat net wêze grutter as 30mm;

b.De tastiene wearde fan sintrum offset moat wêze 1/3000 fan 'e span fan' e stielen romte frame, en moat net wêze grutter as 30mm;

c.Foar de mesh frame stipe troch de perifery, de tastiene hichte ôfwiking is 1/400 fan de neistlizzende stipe, en moat net wêze grutter as 15mm, en it maksimum en minimum moat net wêze grutter as 30mm;foar de gaas frame stipe troch meardere punten, de tastiene hichte ôfwiking is 1/800 fan de neistlizzende stipe, en moat net wêze grutter as 30mm;

d.Detektearje de ôfwiking fan it raster neffens de spesifikaasjes en ûntwerpeasken.Nei oanlis sil de ôfwiking fan it stielen romteframe net grutter wêze as 115% fan 'e ûntwerpberekkeningswearde.(Maksimale defleksjewearde fan rasterframe L/250)

4. As der welding ballen lokaal, groove welding wurdt brûkt foar welding de welding bal en de roede, en de welding seam grade moat net leger as de twadde klasse.

5. Nei de ynstallaasje fan 'e stielen romte frame is foltôge, it oerflak fan' e romte frame gewrichten en roeden moatte wêze skjin en frij fan scars en smoargens.De gewrichten en oerstallige gatten fan de bolt bal gewrichten moatte wurde fol en fersegele mei grease.

6. By it brûken fan it roaster moat alle 4 oant 5 jier wiidweidich anty-korrosje-ûnderhâld útfierd wurde.

 

1. The installation of the grid frame must be carried out after the acceptance of the lower structure axis and the embedded board. The requirements for the lower support are: the height difference between adjacent supports (distance L2): the smaller value of L2/800 and 10mm, at the same elevation Height difference between the highest and lowest support: 20mm; 2. Determine the installation process of the grid according to the force and structural characteristics of the grid and the actual construction conditions on site; 3. After the grid frame is installed, it should be checked: a. The allowable value of the vertical and horizontal side length deviation is 1/2000 of the length, and should not be greater than 30mm; b. The allowable value of center offset should be 1/3000 of the span of the grid, and should not be greater than 30mm; c. For the mesh frame supported by the periphery, the allowable height deviation is 1/400 of the adjacent support, and should not be greater than 15mm, and the maximum and minimum should not be greater than 30mm; for the mesh frame supported by multiple points, the allowable height deviation is 1/800 of the adjacent support, and should not be greater than 30mm; d. Detect the deflection of the grid according to the specifications and design requirements. After construction, the deflection of the grid frame shall not be greater than 115% of the design calculation value. (Maximum deflection value of grid frame L/250) 4. If there are welding balls locally, groove welding is used for welding the welding ball and the rod, and the welding seam grade should not be lower than the second grade. 5. After the installation of the grid frame is completed, the surface of the joints and rods should be clean and free of scars and dirt. The joints and excess holes of the bolt ball joints should be filled and sealed with grease. 6. During the use of the grid, comprehensive anti-corrosion maintenance should be carried out every 4 to 5 years.
1. The installation of the grid frame must be carried out after the acceptance of the lower structure axis and the embedded board. The requirements for the lower support are: the height difference between adjacent supports (distance L2): the smaller value of L2/800 and 10mm, at the same elevation Height difference between the highest and lowest support: 20mm; 2. Determine the installation process of the grid according to the force and structural characteristics of the grid and the actual construction conditions on site; 3. After the grid frame is installed, it should be checked: a. The allowable value of the vertical and horizontal side length deviation is 1/2000 of the length, and should not be greater than 30mm; b. The allowable value of center offset should be 1/3000 of the span of the grid, and should not be greater than 30mm; c. For the mesh frame supported by the periphery, the allowable height deviation is 1/400 of the adjacent support, and should not be greater than 15mm, and the maximum and minimum should not be greater than 30mm; for the mesh frame supported by multiple points, the allowable height deviation is 1/800 of the adjacent support, and should not be greater than 30mm; d. Detect the deflection of the grid according to the specifications and design requirements. After construction, the deflection of the grid frame shall not be greater than 115% of the design calculation value. (Maximum deflection value of grid frame L/250) 4. If there are welding balls locally, groove welding is used for welding the welding ball and the rod, and the welding seam grade should not be lower than the second grade. 5. After the installation of the grid frame is completed, the surface of the joints and rods should be clean and free of scars and dirt. The joints and excess holes of the bolt ball joints should be filled and sealed with grease. 6. During the use of the grid, comprehensive anti-corrosion maintenance should be carried out every 4 to 5 years.
1. The installation of the grid frame must be carried out after the acceptance of the lower structure axis and the embedded board. The requirements for the lower support are: the height difference between adjacent supports (distance L2): the smaller value of L2/800 and 10mm, at the same elevation Height difference between the highest and lowest support: 20mm; 2. Determine the installation process of the grid according to the force and structural characteristics of the grid and the actual construction conditions on site; 3. After the grid frame is installed, it should be checked: a. The allowable value of the vertical and horizontal side length deviation is 1/2000 of the length, and should not be greater than 30mm; b. The allowable value of center offset should be 1/3000 of the span of the grid, and should not be greater than 30mm; c. For the mesh frame supported by the periphery, the allowable height deviation is 1/400 of the adjacent support, and should not be greater than 15mm, and the maximum and minimum should not be greater than 30mm; for the mesh frame supported by multiple points, the allowable height deviation is 1/800 of the adjacent support, and should not be greater than 30mm; d. Detect the deflection of the grid according to the specifications and design requirements. After construction, the deflection of the grid frame shall not be greater than 115% of the design calculation value. (Maximum deflection value of grid frame L/250) 4. If there are welding balls locally, groove welding is used for welding the welding ball and the rod, and the welding seam grade should not be lower than the second grade. 5. After the installation of the grid frame is completed, the surface of the joints and rods should be clean and free of scars and dirt. The joints and excess holes of the bolt ball joints should be filled and sealed with grease. 6. During the use of the grid, comprehensive anti-corrosion maintenance should be carried out every 4 to 5 years.
Post tiid: Mar-10-2022
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