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首页> 外文会议>Conference on Connections Between Steel and Concrete Vol.2 Sep 10-12, 2001 Stuttgart, Germany >BEHAVIOUR AND DESIGN OF FASTENINGS WITH CONCRETE SCREWS
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BEHAVIOUR AND DESIGN OF FASTENINGS WITH CONCRETE SCREWS

机译：混凝土螺钉接缝的性能和设计

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摘要

Concrete scrsws are a new fastening system easy to install. Concrete screws are screwed into predrilled cylindrical holes. During installation, concrete screws cut a thread into the wall of the drilled hole. Therefore, tensile loads are transferred into the base material by mechanical interlock. The load transfer mechanism is similar to that of deformed reinforcing bars cast into concrete. In the present paper the results of installation and tension tests in non-cracked and cracked concrete are presented. Furthermore, the test results are compared with the prediction of the CC-method for the concrete cone failure load. It is shown that the CC- method cannot be used for the design of fastenings with concrete screws without some modification.
机译：混凝土螺丝是易于安装的新型紧固系统。将混凝土螺钉拧入预钻孔的圆柱孔中。在安装过程中，混凝土螺钉将螺纹切入钻孔的壁中。因此，拉伸载荷通过机械互锁传递到基础材料中。荷载传递机制与浇铸到混凝土中的变形钢筋相似。本文介绍了在未开裂和开裂的混凝土中进行安装和拉伸测试的结果。此外，将测试结果与混凝土圆锥破坏荷载的CC方法的预测进行了比较。结果表明，如果不做一些修改，CC-方法就不能用于混凝土螺钉的固定设计。

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