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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Showing 1-5 of 12 Abstracts search results
Document:
SP130-01
Date:
January 1, 1992
Author(s):
H. Wiewel
Publication:
Symposium Papers
Volume:
130
Abstract:
Design information for concrete anchors is summarized in this paper. Based on recent research, the tension and shear capacities published in the past for concrete anchors are generally unconservative, especially data for proprietary concrete anchors. This paper recommends new design parameters for seven categories of concrete anchors. The parameters, presented in tabular form, are related to tension zone cracking and seismic loading, as well as spacing and edge distance.
DOI:
10.14359/1265
SP130
Editors: George A. Senkiw and Harry B. Lancelot III
SP130 This publication presents 11 papers on the subject of anchors in concrete, design and behavior. Subject matter include design guidelines for anchorage to concrete; evaluation of expansion anchor ultimate tensile capacity prediction equations; load-relaxation tests on heavy duty sleeve and lead caulking expansion anchors; behaviors and design of ductile multiple-anchors steel-to-concrete connection; behavior design, and testing of anchors in cracked concrete; embedment design examples based on ACI 349 Appendix B; behavior of fasteners under monotonic or cyclic shear displacements; static and dynamic long-term behavior of anchors; pull-out tests on steel embedments in concrete; lateral blow-out failure of headed studs near a free edge; and testing and analysis of base plate connections.
10.14359/14162
SP130-07
E. Vintzelou and R. Eligehausen.
An experimental program was carried out to investigate the behavior of metallic fasteners (undercut, torque-controlled, expansion, and chemical anchors) embedded in cracked concrete and subjected to shear displacements. The results show that the behavior of all three types of anchors under shear displacements is similar. Fasteners situated close to an edge and loaded towards the edge exhibit brittle concrete failure. Cyclic loadings are possible only for displacements that are much lower than the values corresponding to the monotonic peak load. Fastenings away from an edge will cause steel failure with large displacements. During cyclic loading, a severe force-response degradation was observed. Empirical formulas are proposed to predict the strength of anchors, as well as strength degradation during cyclic loading.
10.14359/1272
SP130-03
G. Senkiw
Ninety-day load-relaxation tests at room temperature were conducted on a full range of sizes of heavy duty sleeve and lead caulking expansion anchors. The test results showed that the sleeve and lead caulking anchors on the average are able to retain only 60 and 40 percent of their initial tension load, respectively.
10.14359/1267
SP130-08
W. Ammann
Paper summarizes experimental investigations of the static and dynamic long-term behavior of anchors. Creep behavior and loss of anchor pretension are examined and consequences on the fatigue behavior of anchors subjected to dynamic excitations are shown. Environmental influences, such as moisture or temperature, on the long-term behavior of anchors are also discussed.
10.14359/1274
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