上QQ阅读APP看本书，新人免费读10天
设备和账号都新为新人
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.