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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
91

Fatigue crack propagation in residual stress fields

Braid, J. E. M. January 1982 (has links)
No description available.
92

Crack growth at stress concentrations

Shin, C.-S. January 1985 (has links)
No description available.
93

Boundary-element stress analysis of thin and thick plates

Debbih, Mohammed January 1989 (has links)
No description available.
94

Failure of laminated fibre-reinforced composite structures subject to combined loadings

Nahas, Mahmoud Nadim January 1980 (has links)
A new modified maximum strain failure criterion is proposed to predict the failure of the laminae of laminated fibre-reinforced composite structures when the laminate is subjected to combined loadings. The new criterion takes into account the layer non-linear behaviour which is an important factor in the failure prediction operation. The analysis of laminated structures containing laminae with non-linear stress-strain response is also studied and a new method is proposed for this analysis. The modified failure criterion introduces two levels of failure. The lower level is of the lamina degradation, above which the lamina will exhibit irreversible damage. The higher failure level, however, is associated with the “ultimate” failure of the lamina, above which the lamina cannot sustain any load. After the “ultimate” failure of a lamina in a certain direction, the post-failure model proposed in this study assumes the failed layer to unload in the failed direction only following a decreasing exponential function where the secant modulus decreases gradually to zero. The theoretical results are compared with experimental results obtained from tests carried out on tubular composite specimens under combined loading conditions. Acoustic emission, C-scanning and photomicrographic tests were also conducted to examine the damage caused when the linear limit is exceeded. The cylindrical specimens used in the experimental investigation introduced two additional problems which are also studied here. These are the design of the tubular test specimens, and the buckling of cylindrical shells under combined loading. Comprehensive survey of the previous theories for all the problems studied in this thesis is presented, and where possible, the results obtained by previous investigators are compared with the present proposed solutions and commented on.
95

Assessment of fire damage to concrete structures

MacGregor Smith, L. January 1983 (has links)
No description available.
96

Bearing capacity of unreinforced and reinforced soil under rapid loading

Qayyum, Tanvir Iqbal January 1995 (has links)
No description available.
97

The stability of revetment blockwork under wave action

Yuwono, Nur January 1990 (has links)
No description available.
98

Buckling of tank roofs : a buckling analysis and experimental investigation of storage tank domed roofs

Schleyer, Graham Klaus January 1989 (has links)
No description available.
99

Strip foundation on a sand layer overlying a rigid stratum

Al-Omari, R. R. January 1984 (has links)
No description available.
100

Bending of thin-walled beams of shallow open section

Hamid, A. B. A. January 1988 (has links)
No description available.

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