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Reliability analysis of laminated composite under compression and shear loads

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Abstract

Carrying on a series of compression and shear tests by a large number of specimens, reliabilities of T300/QY8911 laminated composite were studied when dispersibility models were described. The results show that the stress is linearly dependent on the strain and the damage modes of specimens are brittle fracture for both kinds of tests. Dispersibility models of compression and shear strength are expressed as R c∼N(415.39, 6 586.36) and R s∼ln(5.071 8, 0.155 3), respectively. When normal and lognormal distributions were used to describe the dispersibility models of compression and shear strength, and the compression or shear load follows the normal distribution, the almost same failure probability can be obtained from different reliability analysis methods.

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Authors and Affiliations

  1. School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi’an, 710072, China

    Fu-sheng Wang  (王富生), Jun-ran Zhang  (张钧然), Pei-yan Wang  (王佩艳), Shi-hui Huo  (霍世慧) & Zhu-feng Yue  (岳珠峰)

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  1. Fu-sheng Wang  (王富生)
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  2. Jun-ran Zhang  (张钧然)
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  3. Pei-yan Wang  (王佩艳)
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  4. Shi-hui Huo  (霍世慧)
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  5. Zhu-feng Yue  (岳珠峰)
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Correspondence to Fu-sheng Wang  (王富生).

Additional information

Foundation item: Project(51175424) supported by the National Natural Science Foundation; Project(B07050) supported by the 111 Project, China; Project (JC20110257) supported by the Basic Research Foundation of Northwestern Polytechnical University

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Wang, Fs., Zhang, Jr., Wang, Py. et al. Reliability analysis of laminated composite under compression and shear loads. J. Cent. South Univ. 19, 2712–2717 (2012). https://doi.org/10.1007/s11771-012-1331-8

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  • DOI: https://doi.org/10.1007/s11771-012-1331-8

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