無載荷オープンケーソンと周辺砂利層の摩擦抵抗に関する研究（ＩＩＩ）

概要

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　The SS caisson (SPACE SYSTEM CAISSON) method fills the space (gap) between caisson circumference surface and rock with the space gravel and it is the open caisson method which gently installs the caisson only by the dead weight at the good accuracy by reducing skin friction resistance which depends on caisson circumference surface, while the stability of country rock is attempted.　From current study of SS caisson, it found that skin friction is almost unaffected at compared with three factors (water content of soil, and subsidence speed) from model tests. And it has been understood that the value obtained from the model tests is roughly appropriate from Distinct Element Method analysis. In the model tests on the past, with only silica ceramic balls as gravel. This study aimed to do the model tests under a condition near more actual construction by changing and adding the content of crashed stone to it, and to clarify the influence on the skin friction.
埼玉大学総合研究機構地域共同研究センター産学連携推進部門の論文