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This paper outlines the original development of a supermarket for J. Sainsbury plc on a methane-producing landfill site. The original store was among the first commercial developments in the UK on this type of site and was, therefore, of necessity innovative. P.D. George
The events of mid-September taught us yet again two maxims to guide a British politician. As John Major watched his personal crusade against devaluation crumble about him in a few days, did he recall both: ‘A week is a long time in politics’ from Harold Wilson?; and ‘Market forces must be allowed to work’ from Margaret Thatcher? Perhaps he also recalled a third, older maxim: ‘Those who ignore history are condemned to relive it’. Sir Alistair Morton
An analysis of coupled shear walls is developed which models planar coupled shear walls as a system of interconnected discrete structural elements. The analysis is based on the force approach, using as redundants the shear forces at the contraflexural points of the connecting beams. The redundant shears are determined by enforcement of compatibility of deformation on pairs of adjacent connecting beams. The resulting formulation is shown to be computationally advantageous for linear elastic static and dynamic analysis of coupled walls. The use of beam shears is shown to be particularly convenient for elasto-plastic analysis, with a perfectly elastic/perfectly plastic yield criterion, since the number of redundants progressively decreases as the analysis proceeds. The effectiveness and efficiency of the approach are demonstrated by application to an example for which solutions are available from a number of established alternative methods. D. Johnson and B.S. Choo