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Anchor bolt and annularly grooved expansion sleeve assembly exhibiting high pull-out resistance, particularly under cracked concrete test conditions
Anchor bolt and annularly grooved expansion sleeve assembly exhibiting high pull-out resistance, particularly under cracked concrete test conditions
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机译：锚固螺栓和带环形槽的膨胀套筒组件具有较高的抗拔出性，尤其是在开裂的混凝土测试条件下
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#$%^&*AU2014201855B220160623.pdf#####ABSTRACT A wedge-type anchor assembly (110), capable of meeting cracked concrete testing standards, comprises an anchor bolt 5 component (112) and a substantially C-shaped expansion sleeve component (114) annularly disposed about the anchor bolt component. A plurality of annular grooves (138), threads, or teeth are disposed only about the forward end portion of the expansion sleeve component. The expansion 10 sleeve component may be plated with a tin-zinc (Sn-Zn) composition, and the rear end portion of the expansion sleeve component may have a larger diametrical extent (D) than the forward end portion of the expansion sleeve component so as to enhance pull-out resistance.
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