STRUT-AND-TIE MODELS FOR HEADED 1 BAR DEVELOPMENT IN C-C-T NODES

Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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ICCE09_137

تاریخ نمایه سازی: 7 مهر 1391

Abstract:

This study presents strut-and-tie models (STM) explaining the development of bond strength along bonded length together with anchorage by head bearing of headed bars. The anchorage at a head requires construction of a biaxial compressed nodal zone and bond resistance needs to use the concept of a smeared node. This model consists of a strut with the nodal zone at head for head bearing and fan-shaped stress field for bond stresses along the development length. This modeling clarifies interaction between head bearing and bond resistances where a bond transfers along the development length of headed bars is necessary for a smooth force flow. The experimental results For series of headed bars with relatively small area of plate heads are interpreted 1 by this proposed model

Authors

Farhang Farrokhi

Assistant Professor, Civil Engineering Department, University of Zanjan , Zanjan, Iran

mehdi shahidi

Student, Civil Engineering Department, University of Zanjan , Zanjan, Iran

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