EXPERIMENTAL STUDIES ON BEBAVIOR OF CONCRETE FILLED NON-UNI-THICKNESSWALLED RECTANGULAR STEEL TUBE SUBJECTED TO PURE BENDING
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摘要: 通过对3个非等壁厚矩形钢管混凝土纯弯构件的试验研究,考察非等壁厚矩形钢管混凝土受弯构件的力学性能。试验结果表明,非等壁厚矩形钢管混凝土受弯构件具有良好的延性和后期承载力,其抗弯性能优于同等条件用钢量的等壁厚矩形钢管混凝土构件。所得结论可供有关工程设计和理论研究参考。Abstract: Tests on three non-un-i thickness walled rectangular CFT(concrete-filled steel tube) members subjected to pure bending are carried out. The mechanical behavior of the member is studied. The experimental results show that non-un-i thickness walled rectangular CFT members subjected to pure bending have good ductility and high bearing capacity. The bearing capacity of non-un-i thickness walled rectangular CFT members subjected to pure bending is prior to un-i thickness walled rectangular CFT members under the same stee-l ratio condition. The conclusions can be a reference for the design and the theory study of non-uni-thickness walled rectangular CFT members.
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