Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Load Deflection Behavior of Cast-in-Place and Retrofit Concrete Anchors Subjected to Static, Fatigue, and Impact Tensile Loads
The purpose of the study was to investigate the design and behavior of single cast-in-place and retrofit concrete anchors under static, fatigue, and impact tensile loads. The study described in the report involved 178 tests. Load-deflection behavior was recorded for each test. Behavior of adhesive anchors was studied with respect to variations in installation, orientation (vertical, horizontal, and overhead), and in hole cleaning techniques. Most anchors had a 5/8-in. nominal diameter. Required embedment lengths for the cast-in-place anchors were estimated using the criteria of ACI 349 Appendix B. Embedment lengths for the embeds, expansion, undercut, and some adhesive anchors were determined by the individual anchor manufacturer, and some anchors were only available in fixed lengths. Behavior modes of anchors were identified under static, fatigue, and impact tensile loads, and anchor types were categorized according to these behavior modes. Recommendations are given for embedment depths and installation techniques for anchors of each type. Recommendations are made for further research, some of which will be addressed in future reports produced by the project.
Load Deflection Behavior of Cast-in-Place and Retrofit Concrete Anchors Subjected to Static, Fatigue, and Impact Tensile Loads
The purpose of the study was to investigate the design and behavior of single cast-in-place and retrofit concrete anchors under static, fatigue, and impact tensile loads. The study described in the report involved 178 tests. Load-deflection behavior was recorded for each test. Behavior of adhesive anchors was studied with respect to variations in installation, orientation (vertical, horizontal, and overhead), and in hole cleaning techniques. Most anchors had a 5/8-in. nominal diameter. Required embedment lengths for the cast-in-place anchors were estimated using the criteria of ACI 349 Appendix B. Embedment lengths for the embeds, expansion, undercut, and some adhesive anchors were determined by the individual anchor manufacturer, and some anchors were only available in fixed lengths. Behavior modes of anchors were identified under static, fatigue, and impact tensile loads, and anchor types were categorized according to these behavior modes. Recommendations are given for embedment depths and installation techniques for anchors of each type. Recommendations are made for further research, some of which will be addressed in future reports produced by the project.
Load Deflection Behavior of Cast-in-Place and Retrofit Concrete Anchors Subjected to Static, Fatigue, and Impact Tensile Loads
D. M. Collins (Autor:in) / R. E. Klingner (Autor:in) / D. Polyzois (Autor:in)
1989
240 pages
Report
Keine Angabe
Englisch
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