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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.
71

Application of the BFGS quasi-Newton method to slope stability analysis

Al-Karni, Awad, 1962- January 1989 (has links)
Mana computer programs have been developed for solving slope stability problems. Since slope stability problems can be characterized as optimization problems, many optimization techniques can be used for searching for the lowest safety factor for a given problem and the corresponding critical slip surface. Most of the slope stability programs use the direct search method which requires only the function value (i.e., safety factor value). In this thesis, a new optimization technique, the Broyden (1970), Fletcher (1970), Goldfarb (1970), and Shanno (1970) (BFGS) quasi-Newton optimization method, is used in conjunction with the STABR program of Lefebvre (1971) to solve slope stability problems. This method of optimization requires the function value and the first derivative value, which can be found by the finite difference method. A new program CSLIP3, incorporating the BFGS technique, is used to solve a variety of realistic slope stability problems. It is determined that CSLIP3 is reliable and efficient.
72

Consolidation of clays using the triaxial apparatus

Karami, Azzam Omar, 1962- January 1988 (has links)
The calculation of a consolidation settlement is an important problem encountered in the foundation of buildings. Due to need for simplicity engineers are mainly using the one dimensional theory of Terzaghi for calculations of consolidation settlements with time. Consolidation tests are still performed in most laboratories with the traditional oedometer cell. Although the results of the oedometer can provide relatively reliable results, they are not equally effective for the calculation of the rate of consolidation. This primarily because of the inability of the oedometer cell to obtain full saturation of the sample. To ensure full saturation, back pressure must be applied which is not possible for conventional oedometer cell. The alternative use of the triaxial cell to examine the consolidation behavior of soils is discussed here.
73

Limit equilibrium methods for slope stability analysis

Liu, Ying, 劉影 January 2002 (has links)
published_or_final_version / Applied Geosciences / Master / Master of Science
74

The crushing strength of fragmented soil material in relation to moisture content and other physical properties of the soil

Martinson, Donald Charles January 1949 (has links)
No description available.
75

The use of relative density for compaction control

Gerstner Bruns, Erhard January 2010 (has links)
Digitized by Kansas Correctional Industries
76

A framework of a national slope safety system for Malaysia

Jaapar, Abd Rasid Bin. January 2006 (has links)
Thesis (M. Sc.)--University of Hong Kong, 2006. / Title proper from title frame. Also available in printed format.
77

Reactivation of an old landslide in response to reservoir impoundment and fluctuations

Loo, Hui. January 2006 (has links)
Thesis (Ph. D.)--University of Hong Kong, 2006. / Title proper from title frame. Also available in printed format.
78

Application of Bayesian model class selection on differential problems in geotechnical engineering

Zhang, Li Zhi January 2012 (has links)
University of Macau / Faculty of Science and Technology / Department of Civil and Environmental Engineering
79

The nature and magnitude of soil compaction in different human-modified habitats in Hong Kong /

Pang, Mei-yee. January 2001 (has links)
Thesis (M. Phil.)--University of Hong Kong, 2002. / Includes bibliographical references (leaves.
80

The behaviour of Hong Kong residual soil as fill material.

Ng, Wai-ying, Betty, January 1978 (has links)
Thesis (M. Phil.)--University of Hong Kong, 1979.

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