Author: Scruby, B
First published: N/A
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The paper describes a simplified hand method for the analysis of piling systems. The method is based on the stiffness approach and the analysis reduces to the setting up and solution of three simultaneous equations for any pile system. Bending stiffness of
piles can be included or neglected, and the rake or number of piles in the group does not complicate the solution. Piles are assumed built in at the pile cap and rigidly fixed or pinned at the base. The method is demonstrated on a five pile group with bending stiffness of piles neglected and included in the analyses. A method for estimating bending stresses in piles is proposed.
This paper outlines the aims and policy of the European Economic Community and poses the basic questions that British engineers will ask about working in or out of the Community.
James N. Lowe
Experimental work with model concrete shells is described. The shells were 9 ft long, 3 ft wide and 1/2 in. thick. Seventeen shells were tested, the main purpose of the tests being to examine the stresses near the end traverse, and particularly in the corner of the shell. The results are compared with those obtained analytically (a) when the disturbance from the longitudinal straight edge is considered and (b) when the disturbance from the curved end is also taken into account. The latter analysis predicts much higher corner stresses than the former. Although the experimental results are generally in better agreement with the first method of analysis, stresses considerably in excess of this were encountered in some instances.
W.M. Newman and A.S. Hall