无粘结筋极限应力增量计算公式对比分析
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摘要
为客观认识各公式的合理性,对380根简支梁板和连续梁板进行了仿真试验,同时搜集整理了中国建筑科学研究院所做的35根简支梁的试验结果,将国内外预应力混凝土梁板中无粘结筋极限应力增量公式计算值与这415根试验梁板的实测结果进行对比分析,结果表明公式更具合理性.
In order to verify the rationality of formulas in literatures,which were used for calculating the ultimate stress increment in unbonded tendons in prestressed concrete beams,simulations on 380 simple supported beams and continuous beams were completed,and the results of 35 simple supported beams obtained by China Academy of Building Research were collected.Then the results of the calculation formulas at home and abroad were compared with the test results of these 415 beams and slabs.It is indicated that the formulas proposed by the author are more rational than the others.
In order to verify the rationality of formulas in literatures,which were used for calculating the ultimate stress increment in unbonded tendons in prestressed concrete beams,simulations on 380 simple supported beams and continuous beams were completed,and the results of 35 simple supported beams obtained by China Academy of Building Research were collected.Then the results of the calculation formulas at home and abroad were compared with the test results of these 415 beams and slabs.It is indicated that the formulas proposed by the author are more rational than the others.
引文
[1]王英.预应力混凝土梁板中无粘结筋应力增长规律研 究及应用[D].哈尔滨:哈尔滨工业大学,2007.
[2]杜拱辰,陶学康.部分预应力混凝土梁无粘结筋极限应 力的研究[J].建筑结构学报,1985,6(6):2-13.
[3]陶学康,王逸,杜拱辰.无粘结部分预应力混凝土 的变形计算[J].建筑结构学报,1989,(1):20-27.
[4]ACI Committee 318.ACI 318-02,ACI 318R-02.Building code requirements for structural concrete and commentary [S].American Concrete Institute,Michigan,2002.
[5]British Standards Institution.BS8110-1-1997 Structural use of concrete,Part1-Code of practice for design and construction[S].British Standards Institu- tion,London,1985.
[6]Canadian Standards Association.A23.3-94 Design of concrete structures[S].Canadian Standards Associa- tion.Rexdale,Ontario,Canada,1994.
[7]陶学康.无粘结预应力混凝土设计与施工[M]北 京:地震出版社,1993.
[8]中国建筑科学研究院.JGJ92-2004无粘结预应力 混凝土结构技术规程[S].北京:中国建筑工业出 版社,2005.
[9]金伟良,赵羽习,吕志涛.无粘结筋的极限应力 [J].浙江大学学报.2000,34(4):393-397.
[10]HARAJLI M H.Effect of span-depth ratio on the ultimate steel stress in unbonded prestressed concrete member[J]. ACI Structural Journal.1990,87(8):305-312.
[11]徐金声,林春哲,洪婉儿.混合配筋预应力混凝土 双向密肋板结构性能的试验研究[J].建筑结构学 报,1995,16(1):3-15.
[12]陈晓宝,赵国藩.无粘结部分预应力混凝土梁极 限状态可靠度分析[J].大连理工大学学报,33 (5),1993:548-551.
[13]NAAMAN A E,ALKHAIRI F M.Stress at ultimate in unbonded prestressing tendons:part1-evalutaion of the state-of-art[J].ACI Structural Journal, 1991,88(5):641-651.
[14]NAAMAN A E,ALKHAIRI F M.Stress at ultimate in un- bonded prestressing tendons:part2-proposed methodology [J].ACI Structural Journal.1991,88(6):683-692.
[15]ARIYAWARDENA N D.Design of precast pres- tressed concrete members using external prestressing [J].Pci Journal.2002,47(2):84-91.
[16]Rosenboom Owen,Hassan Tare K,Rizkalla Sami.Flex- ural behavior of aged prestressed concrete girders strengthened with various FRP systems[J].Construction and Building Materials,2007,21(4):764-776.
[17]BARAKAT S,BANI-HANI K.Multi-objective relia- bility-based optimization of prestressed concrete beams [J].Structural Safety.2004,26(3):311-342.
[18]HAN M Y,HWANG E S,LEE C D.Prestressed con- crete girder with multistage prestressing concept[J].ACI Structural Journal.2003,100(6):723-731.
[19]Biondini Fabio.Reliability of material and geometri- cally nnon-linear reinforced and prestressed concrete structures[J].Computers and Structures.2004,82 (13-14):1021-1031.
[20]CAGATAY I H,DUNDAR C,AKSOGAN O.Opti- mum design of prestressed concrete beams by a modi- fied grid search method[J].Structural Engineering and Mechanics.2003,15(1):39-52.
[21]GHOSH S K.Significant changes in the 2005 ACI code including changes affecting precast/prestressed concrete -Part 1[J].PCI Journal.2004,49(5):94-99.
[22]ZHU E Y,LIU C,HE L,et al.Stress analysis and experimental verification on corroded prestressed con- crete beam[J].Key Engineering Materials,Environ- mental Ecology and Technology of Concrete.2006,302 -303:676-683.
[2]杜拱辰,陶学康.部分预应力混凝土梁无粘结筋极限应 力的研究[J].建筑结构学报,1985,6(6):2-13.
[3]陶学康,王逸,杜拱辰.无粘结部分预应力混凝土 的变形计算[J].建筑结构学报,1989,(1):20-27.
[4]ACI Committee 318.ACI 318-02,ACI 318R-02.Building code requirements for structural concrete and commentary [S].American Concrete Institute,Michigan,2002.
[5]British Standards Institution.BS8110-1-1997 Structural use of concrete,Part1-Code of practice for design and construction[S].British Standards Institu- tion,London,1985.
[6]Canadian Standards Association.A23.3-94 Design of concrete structures[S].Canadian Standards Associa- tion.Rexdale,Ontario,Canada,1994.
[7]陶学康.无粘结预应力混凝土设计与施工[M]北 京:地震出版社,1993.
[8]中国建筑科学研究院.JGJ92-2004无粘结预应力 混凝土结构技术规程[S].北京:中国建筑工业出 版社,2005.
[9]金伟良,赵羽习,吕志涛.无粘结筋的极限应力 [J].浙江大学学报.2000,34(4):393-397.
[10]HARAJLI M H.Effect of span-depth ratio on the ultimate steel stress in unbonded prestressed concrete member[J]. ACI Structural Journal.1990,87(8):305-312.
[11]徐金声,林春哲,洪婉儿.混合配筋预应力混凝土 双向密肋板结构性能的试验研究[J].建筑结构学 报,1995,16(1):3-15.
[12]陈晓宝,赵国藩.无粘结部分预应力混凝土梁极 限状态可靠度分析[J].大连理工大学学报,33 (5),1993:548-551.
[13]NAAMAN A E,ALKHAIRI F M.Stress at ultimate in unbonded prestressing tendons:part1-evalutaion of the state-of-art[J].ACI Structural Journal, 1991,88(5):641-651.
[14]NAAMAN A E,ALKHAIRI F M.Stress at ultimate in un- bonded prestressing tendons:part2-proposed methodology [J].ACI Structural Journal.1991,88(6):683-692.
[15]ARIYAWARDENA N D.Design of precast pres- tressed concrete members using external prestressing [J].Pci Journal.2002,47(2):84-91.
[16]Rosenboom Owen,Hassan Tare K,Rizkalla Sami.Flex- ural behavior of aged prestressed concrete girders strengthened with various FRP systems[J].Construction and Building Materials,2007,21(4):764-776.
[17]BARAKAT S,BANI-HANI K.Multi-objective relia- bility-based optimization of prestressed concrete beams [J].Structural Safety.2004,26(3):311-342.
[18]HAN M Y,HWANG E S,LEE C D.Prestressed con- crete girder with multistage prestressing concept[J].ACI Structural Journal.2003,100(6):723-731.
[19]Biondini Fabio.Reliability of material and geometri- cally nnon-linear reinforced and prestressed concrete structures[J].Computers and Structures.2004,82 (13-14):1021-1031.
[20]CAGATAY I H,DUNDAR C,AKSOGAN O.Opti- mum design of prestressed concrete beams by a modi- fied grid search method[J].Structural Engineering and Mechanics.2003,15(1):39-52.
[21]GHOSH S K.Significant changes in the 2005 ACI code including changes affecting precast/prestressed concrete -Part 1[J].PCI Journal.2004,49(5):94-99.
[22]ZHU E Y,LIU C,HE L,et al.Stress analysis and experimental verification on corroded prestressed con- crete beam[J].Key Engineering Materials,Environ- mental Ecology and Technology of Concrete.2006,302 -303:676-683.
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