Tension and compression complementary type anchor cable structure adopting external anchoring and locking and construction method thereof
An external anchoring and complementary technology, applied in the direction of foundation structure engineering, excavation, sheet pile wall, etc., can solve the problems of difficult to guarantee the reaction force of frame beams, failure of external anchor head locking, loss of prestress, etc., so as to improve frictional resistance, Reduce the risk of anchor cable prestress loss, the effect of reducing the risk of prestress loss
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[0053] Such as Figure 1-9 Shown here is a tension and compression complementary external anchoring and locking anchor cable structure of the present invention, which includes an anchor cable hole 10 and an anchor system opened on the slope. The anchor system is mainly composed of an anchor cable body, an outer anchor head 17 and an inner anchor head The anchor cable body and the inner anchor head are placed in the anchor cable hole 10. The anchor cable body includes tensile steel strand 6, pressure steel strand 5, casing 16, corrugated pipe 12, expansion ring 9, hoop ring 8, and second The primary grouting pipe 7, the second grouting pipe 13 and the exhaust pipe 14, the tensile steel strand 6, the first grouting pipe 7 and the pressure steel strand 5 are combined with expansion rings 9 and hoops at intervals The ring 8 thus constitutes an anchor cable bundle. The number of tension-type steel strands 6 and pressure-type steel strands 5 are both even numbers. In this embodiment,...
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