Based on investigation and analysis and using underground continuous wall technology for reference, a new type of annular hole drilling tool is presented.
概述了大直径空心桩施工技术的发展现状 ,在调研分析的基础上 ,借鉴地下连续墙施工技术 ,提出了一种新型的环形孔钻具 ,并对其结构、工作原理、应用条件及施工步骤等进行了阐
The reasons of electrode accidents are analyzed from the five sides: electrode cohesion device,the quality of electrode paste,the pressure of conical ring,the particle size of electrode paste,the height of paste column,and the measures to reduce electrode accidents are put forward.
从电极抱紧装置、电极糊质量、锥形环压力、电极糊粒度、糊柱高度等5个方面对造成电极事故的原因进行了分析,并提出了减少电极事故的措施。
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