Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Coastal silty soil and silty sand stratum vacuum preloading efficient anti-seepage anti-invasion slurry sealing wall and preparation method thereof
The invention relates to a coastal silty soil and silty sand stratum vacuum preloading efficient anti-seepage anti-invasion slurry sealing wall and a preparation method thereof, the sealing wall comprises the following components: in-situ silty soil and silty sand, clay slurry and a functional material, the weight of the clay slurry is 20% of the weight of the in-situ silty soil and silty sand, and the weight of the functional material is 0.2-0.6% of the weight of the slurry. And the functional material is a polysaccharide coupling agent which is developed by adopting a polymer graft polymerization technology Grafted glycan. The function of the functional material is to significantly improve the cohesiveness of clay slurry, promote mutual wrapping and bonding of soil particles, enhance the leakproofness of the wall body, and further significantly improve the anti-permeability and anti-invasion performance of the sealing wall. During on-site construction, clay slurry mixed with the functional materials is pumped into a silt soil and silt stratum through a clay slurry stirrer, and a uniform slurry sealing wall system is formed through mechanical stirring. The permeability coefficient and the fine particle seepage erosion amount of the sealing wall can be remarkably reduced, the overall anti-permeability and anti-erosion performance of the sealing wall is remarkably enhanced, and the long-term service performance of the sealing wall is improved.
一种沿海粉土粉砂地层真空预压高效抗渗抗侵泥浆密封墙及其制备方法，所述密封墙的组分如下：原位粉土粉砂、黏土泥浆和功能材料，黏土泥浆的重量为原位粉土粉砂重量的20%，功能材料的重量为泥浆重量的0.2‑0.6%。所述功能材料为一种采用高分子接枝聚合技术Grafted glycan研制而成的聚糖类偶联剂。功能材料作用在于显著提升黏土泥浆黏聚性，促使土颗粒相互包裹粘接，增强墙体密闭性，进而明显提升密封墙抗渗抗侵性能。现场施工时，利用黏土泥浆搅拌机将掺入功能材料后的黏土泥浆泵入粉土粉砂地层中，通过机械搅拌形成均匀的泥浆密封墙体系。本发明能够显著降低密封墙渗透系数、细颗粒渗流侵蚀量，明显增强密封墙整体抗渗抗侵性能，改善密封墙长期服役性能。
Coastal silty soil and silty sand stratum vacuum preloading efficient anti-seepage anti-invasion slurry sealing wall and preparation method thereof
The invention relates to a coastal silty soil and silty sand stratum vacuum preloading efficient anti-seepage anti-invasion slurry sealing wall and a preparation method thereof, the sealing wall comprises the following components: in-situ silty soil and silty sand, clay slurry and a functional material, the weight of the clay slurry is 20% of the weight of the in-situ silty soil and silty sand, and the weight of the functional material is 0.2-0.6% of the weight of the slurry. And the functional material is a polysaccharide coupling agent which is developed by adopting a polymer graft polymerization technology Grafted glycan. The function of the functional material is to significantly improve the cohesiveness of clay slurry, promote mutual wrapping and bonding of soil particles, enhance the leakproofness of the wall body, and further significantly improve the anti-permeability and anti-invasion performance of the sealing wall. During on-site construction, clay slurry mixed with the functional materials is pumped into a silt soil and silt stratum through a clay slurry stirrer, and a uniform slurry sealing wall system is formed through mechanical stirring. The permeability coefficient and the fine particle seepage erosion amount of the sealing wall can be remarkably reduced, the overall anti-permeability and anti-erosion performance of the sealing wall is remarkably enhanced, and the long-term service performance of the sealing wall is improved.
一种沿海粉土粉砂地层真空预压高效抗渗抗侵泥浆密封墙及其制备方法，所述密封墙的组分如下：原位粉土粉砂、黏土泥浆和功能材料，黏土泥浆的重量为原位粉土粉砂重量的20%，功能材料的重量为泥浆重量的0.2‑0.6%。所述功能材料为一种采用高分子接枝聚合技术Grafted glycan研制而成的聚糖类偶联剂。功能材料作用在于显著提升黏土泥浆黏聚性，促使土颗粒相互包裹粘接，增强墙体密闭性，进而明显提升密封墙抗渗抗侵性能。现场施工时，利用黏土泥浆搅拌机将掺入功能材料后的黏土泥浆泵入粉土粉砂地层中，通过机械搅拌形成均匀的泥浆密封墙体系。本发明能够显著降低密封墙渗透系数、细颗粒渗流侵蚀量，明显增强密封墙整体抗渗抗侵性能，改善密封墙长期服役性能。
Coastal silty soil and silty sand stratum vacuum preloading efficient anti-seepage anti-invasion slurry sealing wall and preparation method thereof
一种沿海粉土粉砂地层真空预压高效抗渗抗侵泥浆密封墙及其制备方法
DENG YONGFENG (Autor:in) / JIANG CHUANG (Autor:in) / HU YONGTAO (Autor:in) / LU YOUBING (Autor:in) / XU CHENCHEN (Autor:in) / CHENG DA (Autor:in) / GUO YANGZI (Autor:in) / LU ANQUAN (Autor:in) / YANG SHU (Autor:in) / HAN SHIJIE (Autor:in)
16.05.2023
Patent
Elektronische Ressource
Chinesisch
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