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本文通过一项工程实践，介绍采用高压喷射注浆技术加固钻（冲）孔桩底软卧层的方案设计、技术参数选择、施工工艺控制、加固效果及经济效益。
Through a project practice, this paper introduces the scheme design, technical parameter selection, construction process control, reinforcement effect and economic benefit of using high-pressure jet grouting technology to reinforce the soft bottom layer of the drill hole.