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Projekti

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Steel space grid gas station project construction

Šis projekts ir kvadrātveida telpas rāmis / augstums 16 metri / kopējais garums 30 metri / kopējais laidums 18 metri

1. Tērauda telpas karkasa uzstādīšana jāveic pēc apakšējās konstrukcijas ass un iestrādātās plāksnes pieņemšanas.Prasības apakšējam atbalstam ir: augstuma starpība starp blakus esošajiem balstiem (attālums L2): mazākā vērtība L2/800 un 10mm, vienā un tajā pašā pacēlumā Augstuma starpība starp augstāko un zemāko balstu: 20mm;

2. Noteikt tērauda telpas rāmja uzstādīšanas procesu atbilstoši režģa spēkam un strukturālajām īpašībām un faktiskajiem būvniecības apstākļiem uz vietas;

3. Pēc tērauda telpas rāmja uzstādīšanas jāpārbauda:

a.Vertikālās un horizontālās malas garuma novirzes pieļaujamā vērtība ir 1/2000 no garuma, un tā nedrīkst būt lielāka par 30 mm;

b.Pieļaujamajai centra nobīdes vērtībai jābūt 1/3000 no tērauda telpas rāmja laiduma, un tā nedrīkst būt lielāka par 30 mm;

c.Tīkla rāmim, ko atbalsta perifērija, pieļaujamā augstuma novirze ir 1/400 no blakus esošā atbalsta, un tā nedrīkst būt lielāka par 15 mm, un maksimālā un minimālā vērtība nedrīkst būt lielāka par 30 mm;tīkla rāmim, ko atbalsta vairāki punkti, pieļaujamā augstuma novirze ir 1/800 no blakus esošā atbalsta, un tā nedrīkst būt lielāka par 30 mm;

d.Nosakiet režģa novirzi saskaņā ar specifikācijām un konstrukcijas prasībām.Pēc konstrukcijas tērauda telpas rāmja izliece nedrīkst būt lielāka par 115% no projektētās aprēķina vērtības.(Režģa rāmja maksimālā novirzes vērtība L/250)

4. Ja lokāli ir metināšanas lodītes, metināšanas lodītes un stieņa metināšanai izmanto rievu metināšanu, un metināšanas šuves pakāpe nedrīkst būt zemāka par otro pakāpi.

5. Kad tērauda telpas rāmja uzstādīšana ir pabeigta, telpas rāmja savienojumu un stieņu virsmai jābūt tīrai un bez rētām un netīrumiem.Skrūvju lodveida savienojumu savienojumi un liekie caurumi jāaizpilda un jānoblīvē ar smērvielu.

6. Režģa lietošanas laikā ik pēc 4 līdz 5 gadiem jāveic visaptveroša pretkorozijas apkope.

 

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.

Izsūtīšanas laiks: 10.03.2022