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Proyék

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Steel space grid gas station project construction

Proyék ieu mangrupa pigura spasi pasagi / jangkungna 16 méter / total panjang 30 méter / bentang total 18 méter.

1. Pamasangan pigura spasi baja kudu dilaksanakeun sanggeus ditampa ti sumbu struktur handap sarta dewan study.Sarat pikeun rojongan handap nyaéta: bédana jangkungna antara ngarojong padeukeut (jarak L2): nilai leutik L2 / 800 na 10mm, dina élévasi sarua Jangkungna bédana antara rojongan pangluhurna sarta panghandapna: 20mm;

2. Nangtukeun prosés instalasi pigura spasi baja nurutkeun gaya jeung ciri struktural grid jeung kaayaan konstruksi sabenerna dina situs;

3. Saatos pigura spasi baja dipasang, éta kudu dipariksa:

a.Nilai allowable tina simpangan panjang sisi nangtung sarta horizontal nyaéta 1/2000 tina panjangna, sarta teu kudu leuwih gede ti 30mm;

b.Nilai allowable of puseur offset kedah 1/3000 tina bentang pigura spasi baja, sarta teu kudu leuwih gede ti 30mm;

c.Pikeun pigura bolong dirojong ku periphery, simpangan jangkungna allowable nyaeta 1/400 tina rojongan meungkeut, sarta teu kudu leuwih gede ti 15mm, sarta maksimum sarta minimum teu kudu leuwih gede ti 30mm;pikeun pigura bolong dirojong ku sababaraha titik, simpangan jangkungna allowable 1/800 tina rojongan meungkeut, sarta teu kudu leuwih gede ti 30mm;

d.Ngadeteksi deflection tina grid nu nurutkeun spésifikasi jeung sarat desain.Saatos konstruksi, deflection pigura spasi baja teu kudu leuwih gede ti 115% tina nilai itungan desain.(Nilai defleksi maksimum pigura grid L/250)

4. Lamun aya bal las lokal, las alur dipaké pikeun las bola las jeung rod, sarta las kelas kelim teu kudu leuwih handap ti kelas kadua.

5. Saatos pamasangan pigura spasi baja geus réngsé, beungeut mendi pigura spasi tur rod kudu beresih jeung bébas tina scars jeung kokotor.Sambungan sareng liang kaleuwihan tina sambungan bal baud kedah dieusi sareng disegel ku gajih.

6. Salila pamakéan grid nu, pangropéa anti korosi komprehensif kudu dilaksanakeun unggal 4 mun 5 taun.

 

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.

waktos pos: Mar-10-2022