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Alkali-activated geopolymer grouting material for loess foundation and preparation method thereof
The invention discloses an alkali-activated geopolymer grouting material for a loess foundation and a preparation method thereof. The grouting material is prepared from 100 parts of fly ash, 3.6-4.0 parts of an alkali activator (water glass), 7-10 parts of tap water and 1.3-1.9 parts of a modifier, wherein the modulus of the water glass is 1.5-3.0. A grouting technology for the loess foundation isadopted for grouting. The grouting material has the advantages of good viscosity, good water solubility, high middle and later stage strength, and good consolidation property. Compared with a traditional alkali-activated geopolymer material, the disclosed material is a composite material formed by mixing various powdery and liquid raw materials, can be used by adding water and stirring on site, and is simple in preparation process, low in cost, convenient to operate, capable of reinforcing loess, free of collapsibility and disintegration, good in water stability and high in foundation soil strength. The grouting material can be widely applied to loess reinforcement, road grouting, crack repair and the like in northwest regions.
本发明公开了一种用于黄土地基的碱激发地聚物注浆材料及其制备方法。它由100份粉煤灰，3.6～4.0份碱激发剂(水玻璃)，自来水7～10份，改性剂1.3～1.9份，水玻璃的模数为1.5～3.0。并且采用一种用于黄土地基的注浆技术注浆。本发明具有黏滞性好、水溶性好、中后期强度高、固结性好，与传统碱激发地聚物材料相比,该材料是由各种粉状和液体原料混合而成的复合材料,现场加水搅拌即可以使用,制备工艺简单、成本低、操作方便,加固黄土，无湿陷性，无崩解现象，水稳性良好，地基土强度较高。可以广泛应一种用于西北地区的黄土加固,道路灌浆,裂缝修补等。
Alkali-activated geopolymer grouting material for loess foundation and preparation method thereof
The invention discloses an alkali-activated geopolymer grouting material for a loess foundation and a preparation method thereof. The grouting material is prepared from 100 parts of fly ash, 3.6-4.0 parts of an alkali activator (water glass), 7-10 parts of tap water and 1.3-1.9 parts of a modifier, wherein the modulus of the water glass is 1.5-3.0. A grouting technology for the loess foundation isadopted for grouting. The grouting material has the advantages of good viscosity, good water solubility, high middle and later stage strength, and good consolidation property. Compared with a traditional alkali-activated geopolymer material, the disclosed material is a composite material formed by mixing various powdery and liquid raw materials, can be used by adding water and stirring on site, and is simple in preparation process, low in cost, convenient to operate, capable of reinforcing loess, free of collapsibility and disintegration, good in water stability and high in foundation soil strength. The grouting material can be widely applied to loess reinforcement, road grouting, crack repair and the like in northwest regions.
本发明公开了一种用于黄土地基的碱激发地聚物注浆材料及其制备方法。它由100份粉煤灰，3.6～4.0份碱激发剂(水玻璃)，自来水7～10份，改性剂1.3～1.9份，水玻璃的模数为1.5～3.0。并且采用一种用于黄土地基的注浆技术注浆。本发明具有黏滞性好、水溶性好、中后期强度高、固结性好，与传统碱激发地聚物材料相比,该材料是由各种粉状和液体原料混合而成的复合材料,现场加水搅拌即可以使用,制备工艺简单、成本低、操作方便,加固黄土，无湿陷性，无崩解现象，水稳性良好，地基土强度较高。可以广泛应一种用于西北地区的黄土加固,道路灌浆,裂缝修补等。
Alkali-activated geopolymer grouting material for loess foundation and preparation method thereof
一种用于黄土地基的碱激发地聚物注浆材料及其制备方法
LYU QINGFENG (author) / CHEN YI (author) / LIU BEI (author) / GUO LIANXING (author) / HAN QILIANG (author) / WANG ZISHUAI (author)
2020-09-29
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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