This thesis studies the conditions under which a shell can carry loads by membrane action only. In order for a shell to work in this way it must be im...
Until the 1980s government policy in Algeria had consistently failed to measure up to the demands for urban renewal. After that year, inner city probl...
The present work has examined and compared microstructural evolution and superplastic behaviour in two aluminium-lithium (8090) sheet alloys.Theses ha...