论文部分内容阅读
以青藏高原冻土施工为例,通过对钻孔扩底灌注桩施工工艺的试验研究,说明掌握钻孔扩底桩的施工工艺及扩孔钻头与钻机、地质条件的适用性,可熟悉水下混凝土浇筑在寒季施工时的温度指标控制、措施及规律。
Taking the permafrost construction in Qinghai-Tibet Plateau as an example, the construction technology of the bored pile underbored pile is illustrated. The application of the construction technology of drilling underpinned pile and the applicability of the reaming bit and drilling rig and geological conditions can be illustrated. Control, Measures and Rules of Temperature Index for Concrete Pouring in Cold Season Construction.