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根据工程实践 ,介绍了在红粘土与中、微风化泥岩条件下人工挖孔灌注桩成孔方法、灌注混凝土等施工工艺 ,对施工安全措施、孔内爆破施工也进行了介绍。
According to the engineering practice, the construction methods of artificial hole digging piles and pouring concrete under the conditions of red clay, middle and slightly weathered mudstone are introduced. The construction safety measures and blasting construction in the hole are also introduced.