混凝土面板堆石坝中布置在面板周边、坐落于地基上的混凝土结构,又称垫座。趾板通过设有止水的周边缝与面板连为一体,形成坝基以上的防渗体,同时又与经过基础处理后的基岩连结,封闭地面以下的渗漏通道,从而使上、下防渗结构连为整体。其主要作用除防渗外,还作为基础灌浆的盖板和面板的基座。
趾板混凝土浇筑后,进行了固结灌浆和帷幕灌浆。
Consolidation grouting and curtain grouting are carried out after toe slabs are concreted.
本文还探讨了座落在砂砾覆盖层上的趾板设计问题。
This paper also approached the design of toe-slab that is constructed on the covering strata of river.
摘要趾板是混凝土面板堆石坝的重要组成部分,其主要作用是防渗。
The plinth is an important part for a concrete faced rockfill darn. Its major role is to prevent seepage.
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