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The PRESIDENT(Lt.-Colonel C.H. Fox, O.B.E., B.Sc., F.S.I,) commented that Dr. Glanville had gained a great reputation by reason of his work, and the members of the Institution were glad to have a second opportunity to hear him discuss the subject of
strength tests for cement.
THE subject of creep occupies an important, place in the literature on concrete of recent years. Creep is the non-elastic deformation which, under sustained load, will increase for several years with a magnitude of several times the initial elastic strain on loading. The major part of this deformation is due to colloidal seepage and so is not really a true creep in the accepted sense. In unstressed concrete, shrinkage is largely due to the same cause, but under stress the seepage is accelerated; colloidal water is forced out of the gel under pressure into the capillary channels and thence to the surface where it is evaporated and an increased deformation is the result.
THOUGH Soil Mechanics is not by any means a new science it is only of recent years that a serious attempt has been made to study the foundation soil by practical as well
as by theoretical means. The recent progress has been truly phenomenal.