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钻孔高压喷射防渗板墙施工技术从国外引入我国以来,已经被水库防渗与加固工程等广泛应用,但是钻孔高喷板墙施工设备复杂、施工成本较高、效率低逐渐被振孔高喷工艺所取代,其具有施工设备简单、采用钻喷一体化、施工效率高、成本低等特点。文章以尼尔基水利枢纽工程为例,对振孔高喷板墙施工工艺的局限性进行了分析。
Since the introduction of high-pressure jetting impervious wall technology into our country, it has been widely used in anti-seepage and reinforcement projects in reservoirs. However, the construction equipment for drilling high-jetted wall is complex, the construction cost is high, and the efficiency is gradually reduced High spray technology replaced by its simple construction equipment, the use of integrated drilling and drilling, construction of high efficiency, low cost and so on. Taking the Nierji water conservancy project as an example, the article analyzes the limitations of the construction technology of vibrating hole blasting wall.