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4.3 Anchor Bolt

Ⅰ Major Item

4.3.1 Specification and fastening of anchor bolts must meet the requirements of design technical documents.

Quantity checked:20% selective examination,and no less than 4.

Checking method:Check quality certification documents and ruler measurement.Check fastening records.Check by hammering nuts tests.

Ⅱ General Items

4.3.2 Greasy dirt,oxide skin,etc.on anchor bolts shall be cleaned.Screw threads shall paint oil of appropriate amount.

Quantity checked:All.

Checking method:Check by observation.

4.3.3 Anchor bolts in preformed holes shall be vertical.The distance from any part of a bolt to the wall of hole shall be larger than 15mm.Bolts shall not touch the bottom of holes.

Quantity checked:All.

Checking method:Check by observation.

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