Tensile behavior of post-installed chemical anchors embedded to low strength concrete

Date

2013-10-01

Author

YILMAZ, SALİH
Özen, Muhammet Ali
YARDIM, YAVUZ

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In the scope of this paper, tensile capacities of post-installed chemical anchors embedded to 5.9 and 10.9 MPa concrete blocks are investigated. Pull-out tests are applied to 80 ductile steel bars (S420a). For the anchor diameters, 12, 16 and 20 mm are chosen. On the other hand, 10, 15 and 20 times the bar diameter are selected as free-edge distance and embedment depth for monotonic tensile loading tests. The results indicate that installation of anchors into low-strength concrete with sufficient embedment depth and free-edge distance is not unsafe as previously expected. To obtain ductile failure in low strength concrete, free-edge distance and embedment depth of minimum 15 times the anchor diameter" should be required. Furthermore, a comparison of test results with AC! 318 capacities is done and it is observed that ACI 318 has quite an over-conservative approach for the tensile capacity of post-installed anchors when low-strength concrete is considered.

Subject Keywords

General Materials Science, Civil and Structural Engineering, Building and Construction

URI

https://hdl.handle.net/11511/57107

Collections

Department of Civil Engineering, Article