Behaviour of anchors in post-tensioned high-strength concrete slabs

最近，高强度混凝土（HSC）被引入，以最大限度地减少后张施工（PC）中预应力肌腱所需的时间，这是澳大利亚和海外大跨度板的首选施工方法。虽然HSC是这种应用的明显选择，但在PC板的活端和死端锚杆中观察到许多故障，实际上对特定混凝土性能和性能之间的关系了解甚少。通过系统的实验和理论研究，将研究这些板的锚固区域的行为，包括破坏的原因。

Recently High-strength concrete(HSC) was introduced to minimise the time required for stressing the tendons in post-tensioned construction(PC), which is the preferred construction method for long span slabs in Australia and overseas. Although HSC is an obvious choice for this application, many failures have been observed in the live and dead end anchors of PC slabs and there is in fact very little understanding of relationships between specified concrete properties and performance. Through a systematic experimental and theoretical study, the behaviour of anchor regions of these slabs, including the reasons for failure will be investigated.