A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Earth excavation construction method for staggered deep and large pits in pits under complex overtown beach geology
The invention provides a staggered deep and large pit-in-pit earth excavation construction method under complex overtown beach geology. The method comprises the steps that a precipitation test and pit-in-pit precipitation scheme optimization are carried out; constructing a high-pressure jet grouting pile; establishing a pit-in-pit earthwork model and exposing a 3D printing material object; carrying out layered excavation on pit-in-pit earthwork; and mounting the ceramsite plate side mold of the foundation pit. The arrangement and the number of the precipitation wells are optimized, and unnecessary precipitation operation is saved; the high-pressure jet grouting piles are arranged close to the edge of the pit, so that the workload of slope excavation and the later concrete consumption of the side wall of the foundation pit are reduced; compared with traditional two-dimensional plane drawing construction disclosure, 3D model disclosure is more visual and easy to understand, the difficulty of paying-off positioning is lowered, and rework caused by errors in the excavation process is avoided; the ceramsite plate side mold can achieve the effects of rapid assembly, time saving and labor saving, plastering is not needed, mold removal can be avoided after pouring is completed, the strength and rigidity of the plate are higher than those of a traditional brick molding bed, and cracks and collapse are not prone to occurring when earthwork around the bearing platform is backfilled.
本发明提供一种复杂漫滩地质下交错布置的深大坑中坑土方开挖施工方法，包括：降水试验及坑中坑降水方案优化；高压旋喷桩施工；坑中坑土方模型建立及3D打印实物交底；坑中坑土方分层开挖；基坑陶粒板侧模安装。本发明优化了降水井的布置和数量，节约了不必要的降水运行；高压旋喷桩临近坑中坑边设置，减少了放坡开挖的工作量及后期基坑侧壁的混凝土用量；3D模型交底相比于传统的二维平面图纸施工交底，更加直观易懂，降低了放线定位的难度，避免开挖过程中出现错误造成返工；陶粒板侧模可以做到快速拼装、省时省力的效果，无需进行抹灰，并且浇筑完成后可以免拆模且板材强度和刚度高于传统砖胎模，承台周围土方回填时不易出现裂缝及坍塌。
Earth excavation construction method for staggered deep and large pits in pits under complex overtown beach geology
The invention provides a staggered deep and large pit-in-pit earth excavation construction method under complex overtown beach geology. The method comprises the steps that a precipitation test and pit-in-pit precipitation scheme optimization are carried out; constructing a high-pressure jet grouting pile; establishing a pit-in-pit earthwork model and exposing a 3D printing material object; carrying out layered excavation on pit-in-pit earthwork; and mounting the ceramsite plate side mold of the foundation pit. The arrangement and the number of the precipitation wells are optimized, and unnecessary precipitation operation is saved; the high-pressure jet grouting piles are arranged close to the edge of the pit, so that the workload of slope excavation and the later concrete consumption of the side wall of the foundation pit are reduced; compared with traditional two-dimensional plane drawing construction disclosure, 3D model disclosure is more visual and easy to understand, the difficulty of paying-off positioning is lowered, and rework caused by errors in the excavation process is avoided; the ceramsite plate side mold can achieve the effects of rapid assembly, time saving and labor saving, plastering is not needed, mold removal can be avoided after pouring is completed, the strength and rigidity of the plate are higher than those of a traditional brick molding bed, and cracks and collapse are not prone to occurring when earthwork around the bearing platform is backfilled.
本发明提供一种复杂漫滩地质下交错布置的深大坑中坑土方开挖施工方法，包括：降水试验及坑中坑降水方案优化；高压旋喷桩施工；坑中坑土方模型建立及3D打印实物交底；坑中坑土方分层开挖；基坑陶粒板侧模安装。本发明优化了降水井的布置和数量，节约了不必要的降水运行；高压旋喷桩临近坑中坑边设置，减少了放坡开挖的工作量及后期基坑侧壁的混凝土用量；3D模型交底相比于传统的二维平面图纸施工交底，更加直观易懂，降低了放线定位的难度，避免开挖过程中出现错误造成返工；陶粒板侧模可以做到快速拼装、省时省力的效果，无需进行抹灰，并且浇筑完成后可以免拆模且板材强度和刚度高于传统砖胎模，承台周围土方回填时不易出现裂缝及坍塌。
Earth excavation construction method for staggered deep and large pits in pits under complex overtown beach geology
一种复杂漫滩地质下交错布置的深大坑中坑土方开挖施工方法
RUI MENGHUA (author) / WANG JINGXIONG (author) / GAO MING (author) / DING HAO (author) / MEI JIANGTAO (author) / SHEN FENG (author) / CAI SIQI (author) / WEI SHAOHAO (author) / LIU LIYE (author)
2024-12-06
Patent
Electronic Resource
Chinese
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