In different engineering geological conditions, the construction process, the migration of overlying strata have different rules.
在不同工程地质条件下，施工过程中覆岩具有不同的运移规律。
Combined with engineering example the characteristics of auger drill and construction defects for special strata are discussed.
结合工程实例，论证了旋挖钻机的特点及在特殊地层的施工缺陷。
Therefore, to seek the law of strata deformation in the process of construction has very important academic value and engineering application value.
因此，探明施工过程中地层变形的规律有十分重要的学术价值和工程应用价值。
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