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Projektid

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Steel space grid gas station project construction

See projekt on ruudukujuline ruumiraam / kõrgus 16 meetrit / kogupikkus 30 meetrit / koguulatus 18 meetrit

1. Terasest ruumiraami paigaldamine peab toimuma pärast alumise konstruktsiooni telje ja sisseehitatud plaadi vastuvõtmist.Nõuded alumisele toele on: kõrvuti asetsevate tugede kõrguste vahe (kaugus L2): väiksem väärtus L2/800 ja 10mm, samal kõrgusel Kõrguse vahe kõrgeima ja madalaima toe vahel: 20mm;

2. Määrake terasest ruumikarkassi paigaldusprotsess vastavalt võrgu jõule ja konstruktsiooniomadustele ning tegelikele ehitustingimustele kohapeal;

3. Pärast terasest ruumiraami paigaldamist tuleks seda kontrollida:

a.Vertikaalse ja horisontaalse külje pikkuse kõrvalekalde lubatud väärtus on 1/2000 pikkusest ja see ei tohiks olla suurem kui 30 mm;

b.Keskmise nihke lubatud väärtus peaks olema 1/3000 terasest ruumiraami vahemikust ega tohi olla suurem kui 30 mm;

c.Perifeeriast toetatud võrkraami puhul on lubatud kõrguse kõrvalekalle 1/400 külgnevast toest ja ei tohiks olla suurem kui 15 mm ning maksimaalne ja minimaalne kõrgus ei tohi olla suuremad kui 30 mm;mitme punktiga toetatud võrgusilma puhul on kõrguse lubatud kõrvalekalle 1/800 külgnevast toest ega tohi olla suurem kui 30 mm;

d.Tuvastage võrgu läbipaine vastavalt spetsifikatsioonidele ja projekteerimisnõuetele.Pärast ehitamist ei tohi terasest ruumiraami läbipaine olla suurem kui 115% arvutuslikust projektiväärtusest.(Võrguraami maksimaalne läbipainde väärtus L/250)

4. Kui kohapeal on keevituskuulid, kasutatakse keevituskuuli ja varda keevitamiseks soonkeevitust ning keevitusõmbluse klass ei tohiks olla madalam kui teine ​​klass.

5. Pärast terasest ruumiraami paigaldamise lõpetamist peab ruumiraami liigendite ja varraste pind olema puhas ning armide ja mustuseta.Poldi kuulliigendite vuugid ja üleliigsed augud tuleb täita ja tihendada määrdega.

6. Võre kasutamise ajal tuleks iga 4–5 aasta järel läbi viia igakülgne korrosioonivastane hooldus.

 

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.

Postitusaeg: märts-10-2022