The New Clyde Bridge of the Caledonian Railway at Glasgow. (Including Appendix and Plates).

Abstract

MATHESDN ON T&k NliW CLYbk BRZDG$ OF [hfinutes of but their accuracy in this case was so remarkable as to suggest complete justification of the practice of chisel-boring7 as distinguished from boring by the diamond drill, for all the preliminary purposes of engineering work, except the puddle-trenches of waterworks and perhaps the foundations of dock-walls. And the great importance of ensuring accurate results by boring suggests that a11 qualified boring-contractors should be officially accredited by R recognized authority. There is some variation in the character of the strata at the sites of the several piers, but at the centre of the river the following may be taken as a typical section :-High-Water Level.