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A platform for research: civil engineering, architecture and urbanism
Underground water construction method for water-rich silt stratum
The invention discloses a water-rich silt stratum underground water construction method which comprises the steps that an internal composite supporting layer is constructed, and the internal composite supporting layer is a suspension type waterproof curtain composed of composite supporting piles formed by high-pressure jet grouting piles and cast-in-situ bored piles in an engaged mode; an external waterproof curtain layer is constructed, and the external waterproof curtain layer is a bottom-falling type waterproof curtain formed by ultra-deep three-axis cement mixing piles; a top beam and a retaining wall are additionally arranged on the pile top of the composite support pile; in the earth excavation process of the foundation pit, the construction operation of the pre-stressed anchor cables and the I-shaped steel waist beams is completed, and the technical problem that the water stopping effect of underground water construction of the water-rich silt stratum is poor is solved.
本发明公开了一种富水粉砂地层地下水施工方法，包括：构建内部复合支护层，其中，内部复合支护层为由高压旋喷桩和钻孔灌注桩相互咬合形成的复合式支护桩组成的悬挂式止水帷幕；构建外部止水帷幕层，其中，外部止水帷幕层为由超深三轴水泥搅拌桩形成的落底式止水帷幕；在复合式支护桩的桩顶增设冠梁与挡土墙；在基坑土方开挖的过程中，完成预应力锚索和工字钢腰梁的施工作业，缓解了富水粉砂地层地下水施工的止水效果较差的技术问题。
Underground water construction method for water-rich silt stratum
The invention discloses a water-rich silt stratum underground water construction method which comprises the steps that an internal composite supporting layer is constructed, and the internal composite supporting layer is a suspension type waterproof curtain composed of composite supporting piles formed by high-pressure jet grouting piles and cast-in-situ bored piles in an engaged mode; an external waterproof curtain layer is constructed, and the external waterproof curtain layer is a bottom-falling type waterproof curtain formed by ultra-deep three-axis cement mixing piles; a top beam and a retaining wall are additionally arranged on the pile top of the composite support pile; in the earth excavation process of the foundation pit, the construction operation of the pre-stressed anchor cables and the I-shaped steel waist beams is completed, and the technical problem that the water stopping effect of underground water construction of the water-rich silt stratum is poor is solved.
本发明公开了一种富水粉砂地层地下水施工方法，包括：构建内部复合支护层，其中，内部复合支护层为由高压旋喷桩和钻孔灌注桩相互咬合形成的复合式支护桩组成的悬挂式止水帷幕；构建外部止水帷幕层，其中，外部止水帷幕层为由超深三轴水泥搅拌桩形成的落底式止水帷幕；在复合式支护桩的桩顶增设冠梁与挡土墙；在基坑土方开挖的过程中，完成预应力锚索和工字钢腰梁的施工作业，缓解了富水粉砂地层地下水施工的止水效果较差的技术问题。
Underground water construction method for water-rich silt stratum
一种富水粉砂地层地下水施工方法
MENG QINGLONG (author) / ZHAO CHENYANG (author) / LIN XUEBING (author) / LI XINPENG (author) / LIU MINGHUA (author) / HUANG MINGLI (author) / YANG GUANGCHANG (author) / JIN TAO (author) / JIANG YUANSHENG (author) / BAO JINTAO (author)
2024-06-14
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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