张大长, 支正东, 卢中强, 金如元, 刘亚非. 外壳预制核心现浇RC梁抗弯承载力的试验研究[J]. 工程力学, 2009, 26(5): 164-170.
引用本文: 张大长, 支正东, 卢中强, 金如元, 刘亚非. 外壳预制核心现浇RC梁抗弯承载力的试验研究[J]. 工程力学, 2009, 26(5): 164-170.
ZHANG Da-chang, ZHI Zheng-dong, LU Zhong-qiang, JIN Ru-yuan, LIU Ya-fei. EXPERIMENTAL STUDIES OF BENDING CAPACITIES OF RC BEAMS WITH PRECAST EXTERNAL SHELL AND CAST-IN-PLACE CORE CONCRETE[J]. Engineering Mechanics, 2009, 26(5): 164-170.
Citation: ZHANG Da-chang, ZHI Zheng-dong, LU Zhong-qiang, JIN Ru-yuan, LIU Ya-fei. EXPERIMENTAL STUDIES OF BENDING CAPACITIES OF RC BEAMS WITH PRECAST EXTERNAL SHELL AND CAST-IN-PLACE CORE CONCRETE[J]. Engineering Mechanics, 2009, 26(5): 164-170.

外壳预制核心现浇RC梁抗弯承载力的试验研究

EXPERIMENTAL STUDIES OF BENDING CAPACITIES OF RC BEAMS WITH PRECAST EXTERNAL SHELL AND CAST-IN-PLACE CORE CONCRETE

  • 摘要: 制作了4根外壳预制核心现浇装配整体式矩形、T形截面RC梁及对比梁,进行了RC梁的抗弯承载力试验研究,分析比较两类RC梁的荷载-挠度特性、开裂荷载和极限承载力,研究表明:新型装配整体式RC梁与整浇RC梁具有相同的抗弯承载力特性,即具有很好的整体性和延性;基于试验研究,进一步探讨装配式RC梁开裂荷载、极限承载力的计算理论,为装配整体式RC梁的设计提供参考。

     

    Abstract: Three fabricated integral RC beams with rectangle- and T-sections are fabricated. Their external shells are precast and the core concrete is cast-in-place. Their bending capacities are tested. The load-deflection relation, cracking load and ultimate capacity of the two types of RC beams are investigated. The results show the new-type fabricated assembly beams have the same flexural behavior as RC beam, namely, good integral and ductility. Besides, the cracking load and ultimate capacity are discussed. The results can be referred to for the design of this kind of fabricated integral RC beams.

     

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