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The calculation method of prestressed anchorage length blanking material

2014-10-23 16:33:41

The calculation method of prestressed anchorage length blanking material
Material select appropriate application of prestressed anchorage can save a budget, although the actual situation and plan are mixed.This paper mainly introduces the formula of prestressed anchorage materials: blanking length of prestressed steel should not only satisfy the use requirement, and to prevent the long cause the waste of material.
Prestressed reinforcement calculation of blanking length, variety, anchorage of prestressed reinforcement should be considered form, elastic retraction rate, tensile length value, channel length, tensioning device and construction method etc, because of the tension on both ends of the precast beams, thus determine the length of each steel strand press type: L = L0 + 2 (L1 + L2, L3 and L4) type of L0 - component of channel length;L1 - work anchor thickness;L2 - jack length;L3 - tool anchor thickness;A margin has been L4 - length;(generally take 100 mm)

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