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-  2018 

配置600MPa钢筋的预应力混凝土梁受弯性能研究 Experimental research on bending behavior of prestressed concrete beams with 600MPa steel bars

Keywords: 600 MPa级高强钢筋,预应力混凝土,受弯承载力,挠度

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Abstract:

为研究配置600 MPa级高强钢筋有粘结部分预应力混凝土梁的受弯性能,在静力荷载作用下,进行了9根纵向受拉非预应力筋采用600 MPa级高强钢筋的试验梁受弯性能试验.对比分析试验梁的破坏特征、受力过程、受弯承载力、挠度等.研究结果表明:配置600 MPa级高强钢筋的后张法有粘结部分预应力混凝土梁和配置普通钢筋后张法有粘结部分预应力混凝土梁的受力性能相同;配置600 MPa级高强钢筋的试验梁的受弯承载力可以按照现行《混凝土结构设计规范》中相关公式计算.当600 MPa级高强钢筋取520 MPa的强度设计值时,采用现行规范计算配置600 MPa级高强钢筋的试验梁受弯承载力的安全储备较高

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