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In this revised and expanded edition, insights and a full coverage of recent developments in both design and construction are incorporated. The book identifies features that distinguish the forms built by man from those shaped by nature and discusses the physical and other constraints on the choices that can be made. It then looks in turn at all the elementary forms - arches, domes, beams, slabs and the like - which combine into the more complex forms of complete structures, and at the different classes of the complete forms themselves. The development of each form is traced chronologically,...

All buildings must stand. An adequate structure was as necessary for the simplest primitive hut as it is for the tallest or widest-spanning modern building. However, this requirement became more difficult to satisfy as designers became more adventurous and the experience already gained became less directly applicable. The present papers look at the consequent evolution of design methods and the types of understanding that have been essential guides. A particular focus is the question of how earlier innovations, made without the benefits of modern theory, were possible. Other papers look in...