YD／T 5132-2005  移动通信工程钢塔桅结构验收规范（英文版）

Quantity for inspection:one hundred percent:

6 ProcessingWorkof SteelParts andComponents

General Reguirements

同轴电缆标准6.2Cutting

Rectification and Formin

Table 6. 3. 4 (continued)

6.3.5The allowable variations for steel materials straightened shall be in conformity with requirements listed in the Table 6. 3. 5. Quantityfor inspection:inspect randomly10%of thetotalof pieces straightened,but shall not less than3; Inspectionmethod:inspectbyeyeobservationorbym urement

Table 6. 3. 5Allowable variatiofis for straightened steel(mn

Table 6. 3. 5 (continued)

6.5 Holes Making

Dominant Items

6.5.2The allowablevariations for spacing between bolt holes shall be in conformity with the requirements

Table 6. 5. 2Allowable variations of spacing between bolt holes(mm)

Notes:1All bolt holes for connecting one connecting plate and one bar at the joint constitute one group

6.5.3Allowablevariationsof distancebetween holes forflangeholes shall be±O.5mm;allowable variations fordiameter D of flange holes center shall be ±1. Omm. 6.5.4If the variation of spacing between any two bolt holes exceeds the related allowable variation listed in the Table 6. 5. 2,the bolt holes shall be patch welded with welding rods matching the parent metal; and

.3Allowable variations ofdistancebetweenholesfor flange holes shall be O.5mm;allow iations fordiameter D of flange holes center shall be ±1. Omm. .4If thevariationof spacing between any twobolt holes exceeds therelated allowable variation lis he Table 6. 5. 2,the bolt holes shall be patch welded with welding rods matching the parent metal;

new bolt holes shall be processed again. Quantity for inspection:one hundred percent; Inspection method:examine by eye observation

new bolt holes shall be processed again. Quantity for inspection:one hundred percent; Inspection method:examine by eye observation

6Check and Acceptance of Parts and Elements

Dominant Items 6.6.1After finishing the parts and elements,their external form and geometric dimensions shall be in conformity with the requirements of Appendix A and design, Quantity for inspection:inspect randomly 10 % of each specification, but not less than 5 ; Inspection method:inspect by measurement.

7.1 General Reguirements

Lable 7.2. 2 OQuantity of sampling inspection on zinc coating thicknes

7.2.3Thermal deformation of element shall be strictly controlled during zinc immersion;length expansion

7.3Thermal of Spray Zinc and Aluminum Composite Coating

8 Installation Work of Steel Structure for Tower and Mast

3. I General Reguiremer

8. 2Base and Bearing Surface

Dominantltems Axis and elevation of steel tower footing base and specifications of foundation anchor bolts sl

8.3Fastener Connection

IDominant Items

DominantItems

8. 4Installation and Correction

IDominant Items

CheckandAcceptanceofSteelTowerandMasi

9. 1 General Reguirements

2BaseandFoundation

.3Steel Structure for Tower and Mas

9.3.1When subproject of steel structure for tower and mast is undergoing check and accep

瓦楞纸箱标准9.4 Grounding Engineering

AppendixAAllowableVariationsforOveralland GeometricDimensionsofPartsandElementsforSteelTowerandMas

AppendixB Inspection andEvidential Testing Items of Safety and Functionality of Steel Tower and Mast

Lable D, 0. 1(continued

Lable D, 0. 2(continued

Lable D, 0. 3( continued

民政标准Lable D, 0. 4(continued

AppendixGRecordFormsforQualityAcceptanceaboutUnit(S project of Mobile Communication Steel Tower and Mast

Appendix HExplanation of Wording inThis Code