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Steel space grid gas station project construction

Kini nga proyekto usa ka square space frame / gitas-on 16 metros / kinatibuk-ang gitas-on 30 metros / total span 18 metros

1. Ang pag-instalar sa steel space frame kinahanglan nga ipatuman human sa pagdawat sa ubos nga axis sa istruktura ug sa embedded board.Ang mga kinahanglanon alang sa ubos nga suporta mao ang: ang kalainan sa gitas-on tali sa kasikbit nga mga suporta (distansya L2): ang mas gamay nga bili sa L2/800 ug 10mm, sa samang elevation Taas nga kalainan tali sa pinakataas ug pinakaubos nga suporta: 20mm;

2. Tinoa ang proseso sa pag-instalar sa steel space frame sumala sa pwersa ug structural nga mga kinaiya sa grid ug ang aktwal nga kondisyon sa pagtukod sa site;

3. Human ma-install ang steel space frame, kini kinahanglan nga susihon:

a.Ang gitugot nga bili sa bertikal ug pinahigda nga kilid sa gitas-on pagtipas mao ang 1/2000 sa gitas-on, ug kinahanglan nga dili labaw pa kay sa 30mm;

b.Ang gitugot nga kantidad sa center offset kinahanglan nga 1/3000 sa gitas-on sa steel space frame, ug kinahanglan dili molapas sa 30mm;

c.Alang sa mesh frame nga gisuportahan sa periphery, ang gitugot nga paglihis sa gitas-on mao ang 1/400 sa kasikbit nga suporta, ug kinahanglan nga dili molapas sa 15mm, ug ang maximum ug minimum kinahanglan dili molapas sa 30mm;alang sa mesh frame nga gisuportahan sa daghang mga punto, ang gitugot nga paglihis sa gitas-on mao ang 1/800 sa kasikbit nga suporta, ug kinahanglan nga dili molapas sa 30mm;

d.Hibal-i ang pagtipas sa grid sumala sa mga detalye ug mga kinahanglanon sa disenyo.Human sa pagtukod, ang pagtipas sa steel space frame dili molapas sa 115% sa bili sa kalkulasyon sa disenyo.(Pinakataas nga bili sa deflection sa grid frame L/250)

4. Kung adunay mga welding ball sa lokal, ang groove welding gigamit alang sa welding sa welding ball ug sa sungkod, ug ang welding seam nga grado kinahanglan dili ubos sa ikaduhang grado.

5. Human makompleto ang pag-instalar sa steel space frame, ang nawong sa space frame joints ug rods kinahanglan nga limpyo ug walay mga ulat ug hugaw.Ang mga lutahan ug sobra nga mga lungag sa bolt ball joints kinahanglan nga pun-on ug ma-sealed sa grasa.

6. Atol sa paggamit sa grid, komprehensibo nga anti-corrosion maintenance kinahanglan nga gidala sa gawas sa matag 4 ngadto sa 5 ka tuig.

 

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.

Oras sa pag-post: Mar-10-2022