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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method for improving Yellow River silt grain composition based on MICP technology
The invention belongs to the field of material application of civil engineering, and particularly relates to a method for improving Yellow River silt grain composition based on an MICP technology. According to the invention, the grain composition of the Yellow River silt is improved by utilizing the MICP technology, on one hand, the grain size of sand grains is increased by utilizing calcium carbonate crystals which are formed by strains and have a gel effect, and on the other hand, the sand grains can be solidified, so that a plurality of small-grain-size sand grains forms a large-grain-sizesand grain whole body; therefore, the grain composition of the Yellow River silt is optimized, and the fineness modulus of the Yellow River silt is improved.
本发明属于土木工程的材料应用领域，尤其涉及一种基于MICP技术改良黄河粉沙颗粒级配的方法。本发明利用MICP技术对黄河粉沙颗粒级配进行改良，一方面利用菌种形成的具有凝胶作用的碳酸钙结晶使得沙粒自身粒径增大，另一方面可以通过对沙粒之间进行固结，使得多个小粒径沙粒构成大粒径沙粒整体，进而使得黄河粉沙的颗粒级配优化，提高黄河粉沙的细度模数。
Method for improving Yellow River silt grain composition based on MICP technology
The invention belongs to the field of material application of civil engineering, and particularly relates to a method for improving Yellow River silt grain composition based on an MICP technology. According to the invention, the grain composition of the Yellow River silt is improved by utilizing the MICP technology, on one hand, the grain size of sand grains is increased by utilizing calcium carbonate crystals which are formed by strains and have a gel effect, and on the other hand, the sand grains can be solidified, so that a plurality of small-grain-size sand grains forms a large-grain-sizesand grain whole body; therefore, the grain composition of the Yellow River silt is optimized, and the fineness modulus of the Yellow River silt is improved.
本发明属于土木工程的材料应用领域，尤其涉及一种基于MICP技术改良黄河粉沙颗粒级配的方法。本发明利用MICP技术对黄河粉沙颗粒级配进行改良，一方面利用菌种形成的具有凝胶作用的碳酸钙结晶使得沙粒自身粒径增大，另一方面可以通过对沙粒之间进行固结，使得多个小粒径沙粒构成大粒径沙粒整体，进而使得黄河粉沙的颗粒级配优化，提高黄河粉沙的细度模数。
Method for improving Yellow River silt grain composition based on MICP technology
一种基于MICP技术改良黄河粉沙颗粒级配的方法
YUE JIANWEI (Autor:in) / HUANG XUANJIA (Autor:in) / XING XUANXUAN (Autor:in) / BIAN HANLIANG (Autor:in) / ZHANG JIANWEI (Autor:in) / XU XIANGCHUN (Autor:in) / WANG HAO (Autor:in)
16.03.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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