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Description：
Prestressed concrete used in the permanent anchoring device is in post-tensioned structures or components, in order to maintain the tension tendons and passes it to the inside of concrete anchoring tool, also known as Anchorage.
Classification of anchorage：
（1）Round anchorage specifications expressed as: YJM15-N or YJM13-N; This type of anchor has a good self-anchored properties. Tension generally use feedthrough jack.
（2）Flat anchorage Specification expressed as: BJM15-N or BJM13-N (B, flat anchor Pinyin first letter, on behalf of flat anchorage means); flat type is mainly used for deck transverse prestressing anchor, hollow plate low altitude Box, so that the stress distribution is more uniform and reasonable further thinning structure thickness.
（3）Bond-type anchor (fixed end anchorage) specification model is expressed as: JYM15-N or JYM13-N; applies to member end fabric design stress greater or end space is limited situations, it uses an extruder extrusion sleeve pressure on the knot in a strand bond-type anchor, it is embedded in the concrete, arranged according to need, to the design strength of concrete after solidification, during tensioning.
Anchor tool
