GB51104-2015取向硅钢生产线设备安装与验收规范(英文版)
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3.4 Inspection and Acceptance of Anchor Bolts

Ⅰ Main Control Items

3.4.1 The specifications of anchor bolt should meet the requirements of design.

Number of examination:Make spot checks of 20%,and it is not allowed to be less than 4 pieces.

Method of Inspection:Examine the quality certificate document,and use the ruler to measure.

Ⅱ General Items

3.4.2 There should not be the greasy dirt and oxide skin on the anchor bolt,and the thread part should be applied with grease.

Number of examination:All the items are examined.

Method of Inspection:Carry out the examination by observation.

3.4.3 The anchor bolt in the reserved hole should be vertical,the distance between the bolt and the wall of reserved hole should not be less than 15mm,and the bolt does not come into contact with the bottom of hole.

Number of examination:Total inspection.

Method of Inspection:Carry out the examination by observation.