| 摘要 |
<p>The collar pile is for mast pilling, and has a post shank consisting of curved trough-shaped profiled steel sheets welded together. The sheet steel sections are fastened at distances from the lower edge of the shank, using two neighbouring sheets connected via bridging sections. Each of the sheet profiles (2-4) has a recess (8,9) at the lower end. A steel profile (11,12), coaxial with the shank axis, extends within each sheet profile from its upper end to the lower edge of each recess. The lower end of the steel profile is sealed. The lower edges of the recesses and the shank are aligned, and the apertures form the outlets for the displaced material.</p> |
