cone bolt

cone-nut tie, cone bolt

cone-nut tie
A type of tie rod used in a concrete form for a wall; has a cone at both ends; also acts as a spreader.
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References in periodicals archive ?
The so-called cone bolt may be the first energy absorbing device designed to counteract rock burst problems and was invented in South Africa [4].
This kind of bolt realizes energy absorbing function by the special physical construction (classified as structural deformation), for example, cone bolt [4] and Roofex bolt [6].
Simser, "Modified Cone Bolt Static and Dynamic Tests," Noranta Technology Centre Internal Report, Noranta Technology Centre, Quebec, Canada, 2002.