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Пројекти

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Steel space grid gas station project construction

Овај пројекат је квадратни просторни оквир / висина 16 метара / укупна дужина 30 метара / укупан распон 18 метара

1. Монтажа челичног просторног оквира мора се извршити након прихватања доње осе конструкције и уграђене плоче.Захтеви за доњи ослонац су: висинска разлика између суседних носача (растојање Л2): мања вредност Л2/800 и 10мм, на истој коти Висинска разлика између највишег и најнижег ослонца: 20мм;

2. Одредити процес уградње челичног просторног оквира према сили и структурним карактеристикама мреже и стварним условима изградње на градилишту;

3. Након што је челични просторни оквир инсталиран, треба га проверити:

а.Дозвољена вредност одступања вертикалне и хоризонталне бочне дужине је 1/2000 дужине и не би требало да буде већа од 30 мм;

б.Дозвољена вредност померања центра треба да буде 1/3000 распона челичног оквира и не би требало да буде већа од 30 мм;

ц.За мрежасти оквир који се ослања на периферију, дозвољено одступање висине је 1/400 суседног носача и не би требало да буде веће од 15 мм, а максимум и минимум не би требало да буду већи од 30 мм;за мрежасти оквир који се ослања на више тачака, дозвољено одступање висине је 1/800 суседног носача и не би требало да буде веће од 30 мм;

д.Откријте отклон мреже у складу са спецификацијама и захтевима дизајна.Након изградње, отклон челичног оквира простора не сме бити већи од 115% прорачунске вредности.(Максимална вредност угиба решеткастог оквира Л/250)

4. Ако постоје куглице за заваривање локално, заваривање у жљебовима се користи за заваривање кугле за заваривање и шипке, а степен заваривања не би требало да буде нижи од другог степена.

5. Након што је уградња челичног оквира завршена, површина спојева и шипки просторног оквира треба да буде чиста и без ожиљака и прљавштине.Спојеви и вишак рупа на кугличним зглобовима треба попунити и запечатити машћу.

6. Током коришћења мреже, свеобухватно антикорозивно одржавање треба да се спроводи сваких 4 до 5 година.

 

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.

Време поста: мар-10-2022