| 既有预应力混凝土空心板梁破坏性试验研究 |
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| 引用本文： | 张建国,龚涌峰,徐剑,马志国. 既有预应力混凝土空心板梁破坏性试验研究[J]. 现代交通技术, 2010, 7(3): 41-44 |
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| 作者姓名： | 张建国 龚涌峰 徐剑 马志国 |
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| 作者单位： | 1. 无锡市高速公路建设指挥部,江苏,无锡,214062
2. 江苏省交通科学研究院,长大桥梁健康检测与诊断技术交通行业重点实验室,江苏南京,211112 |
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| 摘 要： | 依托无锡机场路既有20m预应力混凝土空心板梁的再利用工程,通过破坏性试验,并结合非线性有限元计算,获取了试验板梁的变形、应力和裂缝的发展规律,研究了既有预应力混凝土空心板梁的承载能力、受力特性、破坏机理,为其再利用提供决策依据。
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| 关 键 词： | 空心板梁 破坏性试验 有限元 承载能力 |
Study on Destructive Experiment of Existing Prestressed Concrete Hollow Slab Beam |
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| Zhang Jiansuo,Gong Yongfeng,Xu Jian,Ma Zhiguo. Study on Destructive Experiment of Existing Prestressed Concrete Hollow Slab Beam[J]. Modern Transportation Technology, 2010, 7(3): 41-44 |
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| Authors: | Zhang Jiansuo Gong Yongfeng Xu Jian Ma Zhiguo |
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| Affiliation: | Zhang Jianguo, Gong Yongfeng, Xu Jian, Ma Zhigu (1.Wuxi Expressway Construction Headquarters, Wuxi 214062, China; 2.Key Laboratory of Large-span Bridge Health Inspection ＆ Diagnosis Technology Ministry of Communication, Jiangsu Transportation Reserch Institute, Nanjing 211112, China) |
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| Abstract: | Based on reusing project of 20 m existing prestressed concrete hollow slab beams on Wuxi airport road, the developing regularity of crack, deformation and stress was got through destructive test and nonlinear finite element computation. The mechanical characteristic, damage mechanism and bearing capacity of the beams were studied.This research provides decision basis for reusing. |
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| Keywords: | hollow slab beam destructive experiment finite element bearing capacity |
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