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对地层水平冻结孔施工工艺、钻孔偏斜测量与控制作了较全面阐述，并分析了水平冻结孔偏斜规律及钻孔对地表沉降的影响，提出预防地表沉降的措施，为今后水平冻结工程钻孔施工提供经验。
The construction technology of horizontal freezing hole in stratum and the measurement and control of borehole deviation are comprehensively expounded. The deflection regularity of horizontal freezing hole and the influence of borehole on surface settlement are analyzed. The measures of preventing surface subsidence are put forward. Engineering drilling experience to provide.