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Proyek

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Steel space grid gas station project construction

Proyek iki minangka pigura spasi persegi / dhuwur 16 meter / total dawa 30 meter / total span 18 meter

1. Instalasi pigura spasi baja kudu ditindakake sawisé ditampa saka sumbu struktur ngisor lan papan sing dipasang.Syarat kanggo dhukungan ngisor yaiku: prabédan dhuwur antarane ndhukung jejer (jarak L2): Nilai cilik L2 / 800 lan 10mm, ing elevasi padha prabédan Dhuwur antarane support paling dhuwur lan paling: 20mm;

2. Nemtokake proses instalasi pigura spasi baja miturut gaya lan karakteristik struktural kothak lan kondisi konstruksi nyata ing situs;

3. Sawise pigura spasi baja dipasang, kudu dipriksa:

a.Nilai allowable saka sisih vertikal lan horisontal dawa sisih sisih 1/2000 saka dawa, lan ngirim ora luwih saka 30mm;

b.Ing Nilai allowable saka tengah nutup kerugian kudu 1/3000 saka span pigura spasi baja, lan ngirim ora luwih saka 30mm;

c.Kanggo pigura bolong sing didhukung dening periphery, panyimpangan dhuwur sing diidini yaiku 1/400 saka dhukungan jejer, lan ora kudu luwih saka 15mm, lan maksimal lan minimal ora luwih saka 30mm;kanggo pigura bolong didhukung dening sawetara TCTerms, panyimpangan dhuwur allowable 1/800 saka support jejer, lan ngirim ora luwih saka 30mm;

d.Ndeteksi defleksi kothak miturut spesifikasi lan syarat desain.Sawise konstruksi, defleksi pigura spasi baja ora luwih saka 115% saka nilai pitungan desain.(Nilai defleksi maksimum pigura kothak L/250)

4. Yen ana welding welding lokal, welding alur digunakake kanggo welding welding werni lan rod, lan welding lapisan lapisan ngirim ora luwih murah tinimbang kelas loro.

5. Sawise instalasi pigura spasi baja rampung, lumahing joints pigura spasi lan rod kudu resik lan bebas saka bekas lan rereget.Sambungan lan bolongan keluwihan saka sendi bal bolt kudu diisi lan disegel nganggo pelumas.

6. Sajrone nggunakake kothak, pangopènan anti-karat lengkap kudu digawa metu saben 4 kanggo 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.
Wektu kirim: Mar-10-2022
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