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A platform for research: civil engineering, architecture and urbanism
Pile foundation karst cave treatment method under volcanic ash geology
The invention discloses a pile foundation karst cave treatment method under the volcanic ash geology, which comprises the following steps: before pile foundation construction under the volcanic ash geology, ascertaining the condition of a karst cave under the volcanic ash geology; a filler is prepared, the filler comprises a base material and an auxiliary agent, the mass of the auxiliary agent accounts for 3% of the mass of the base material, and the base material comprises 10 parts by mass of quick lime, 16 parts by mass of clay, 30 parts by mass of rubble and 18 parts by mass of water; when a drilling machine drills into the volcanic ash geological karst cave, the filler is thrown and filled into the volcanic ash geological karst cave; and after the slurry surface in the pile hole is stable, the drilling machine continues drilling to complete pile foundation construction. The problem that the construction cost is high due to the fact that concrete over-filling treatment is adopted for the karst cave in existing karst area pile foundation construction is solved.
本发明公开了一种火山灰地质下桩基溶洞处理方法，在火山灰地质下的桩基施工之前，探明火山灰地质溶洞情况；配置填充物，所述填充物包括基料和助剂，所述助剂的质量为所述基料的质量的3％，所述基料包括10质量份的生石灰、16质量份的黏土、30质量份的片石和18质量份的水；钻机钻进至所述火山灰地质溶洞时，将所述填充物抛填于所述火山灰地质溶洞中；在桩孔内泥浆面稳定后，所述钻机继续钻进以完成桩基施工。本发明解决了现有的岩溶地区桩基施工中的溶洞采用混凝土超灌处理存在施工成本高的问题。
Pile foundation karst cave treatment method under volcanic ash geology
The invention discloses a pile foundation karst cave treatment method under the volcanic ash geology, which comprises the following steps: before pile foundation construction under the volcanic ash geology, ascertaining the condition of a karst cave under the volcanic ash geology; a filler is prepared, the filler comprises a base material and an auxiliary agent, the mass of the auxiliary agent accounts for 3% of the mass of the base material, and the base material comprises 10 parts by mass of quick lime, 16 parts by mass of clay, 30 parts by mass of rubble and 18 parts by mass of water; when a drilling machine drills into the volcanic ash geological karst cave, the filler is thrown and filled into the volcanic ash geological karst cave; and after the slurry surface in the pile hole is stable, the drilling machine continues drilling to complete pile foundation construction. The problem that the construction cost is high due to the fact that concrete over-filling treatment is adopted for the karst cave in existing karst area pile foundation construction is solved.
本发明公开了一种火山灰地质下桩基溶洞处理方法，在火山灰地质下的桩基施工之前，探明火山灰地质溶洞情况；配置填充物，所述填充物包括基料和助剂，所述助剂的质量为所述基料的质量的3％，所述基料包括10质量份的生石灰、16质量份的黏土、30质量份的片石和18质量份的水；钻机钻进至所述火山灰地质溶洞时，将所述填充物抛填于所述火山灰地质溶洞中；在桩孔内泥浆面稳定后，所述钻机继续钻进以完成桩基施工。本发明解决了现有的岩溶地区桩基施工中的溶洞采用混凝土超灌处理存在施工成本高的问题。
Pile foundation karst cave treatment method under volcanic ash geology
火山灰地质下桩基溶洞处理方法
LIU BIN (author) / WU ZHIGANG (author) / CHU ZHANMING (author) / WEN JINGQUAN (author) / LIU YAN (author) / TAO YISHENG (author) / YANG JIANING (author) / ZHANG KUN (author) / YU HONGPENG (author)
2022-07-22
Patent
Electronic Resource
Chinese
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