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Steel space grid gas station project construction

Ĉi tiu projekto estas kvadrata spaca kadro / alteco 16 metroj / totala longo 30 metroj / totala interspaco 18 metroj

1. La instalado de la ŝtala spaca kadro devas esti efektivigita post la akcepto de la malsupera strukturo-akso kaj la enigita tabulo.La postuloj por la pli malalta subteno estas: la alteca diferenco inter apudaj subtenoj (distanco L2): la pli malgranda valoro de L2/800 kaj 10mm, je la sama alto Altdiferenco inter la plej alta kaj plej malalta subteno: 20mm;

2. Determini la procezon de instalado de la ŝtala spaca kadro laŭ la forto kaj strukturaj trajtoj de la krado kaj la realaj konstrukondiĉoj surloke;

3. Post kiam la ŝtala spaca kadro estas instalita, ĝi devus esti kontrolita:

a.La permesebla valoro de la vertikala kaj horizontala flanka longo devio estas 1/2000 de la longo, kaj ne devus esti pli granda ol 30mm;

b.La permesebla valoro de centra ofseto devus esti 1/3000 de la interspaco de la ŝtala spaca kadro, kaj ne devus esti pli granda ol 30mm;

c.Por la maŝo kadro subtenata de la periferio, la permesebla alteca devio estas 1/400 de la apuda subteno, kaj ne devus esti pli granda ol 15mm, kaj la maksimumo kaj minimumo ne estu pli granda ol 30mm;por la maŝo kadro subtenata de multoblaj punktoj, la permesebla alteca devio estas 1/800 de la apuda subteno, kaj ne devus esti pli granda ol 30mm;

d.Detektu la deflankiĝon de la krado laŭ la specifoj kaj dezajnaj postuloj.Post konstruo, la deklino de la ŝtala spaca kadro ne devas esti pli granda ol 115% de la desegna kalkulvaloro.(Maksimuma deklina valoro de kradkadro L/250)

4. Se estas veldaj pilkoj loke, kanelo-veldado estas uzata por veldi la veldan pilkon kaj la vergon, kaj la velda kudro-grado ne estu pli malalta ol la dua grado.

5. Post kiam la instalado de la ŝtala spaca kadro estas kompletigita, la surfaco de la spacaj kadraj artikoj kaj bastonoj estu pura kaj libera de cikatroj kaj malpuraĵo.La juntoj kaj troaj truoj de la riglilaj globaj artikoj devas esti plenigitaj kaj sigelitaj per graso.

6. Dum la uzo de la krado, ampleksa kontraŭ-koroda bontenado devas esti efektivigita ĉiujn 4 ĝis 5 jarojn.

 

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.

Afiŝtempo: Mar-10-2022