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Shield backfill grouting slurry and preparation method thereof
The invention discloses shield backfill grouting slurry, and relates to the technical field of shield grouting and high polymer materials. The mortar is prepared from the following components in parts by weight: 15-20 parts of a curing and cementing additive, 80-90 parts of muck and 78-107 parts of water, the curing and cementing admixture is prepared from sebacic dihydrazide, inorganic acid, xanthan gum, dicyandiamide and silicon phosphate powder; the shield wall post-grouting slurry is good in fluidity and high in groutability before grouting, high in strength after grouting, good in waterproofness, high in temperature resistance and high in acid and alkali corrosion resistance, and can meet the requirements of shield wall post-grouting; the curing and cementing admixture forms an insoluble and infusible high polymer with a three-way net structure, has excellent insulating property, mechanical property and chemical stability, can accelerate slurry solidification, and can improve the overall strength, compression resistance and corrosion resistance of the slurry after grouting.
本发明公开了一种盾构壁后注浆浆液,涉及盾构注浆和高分子材料技术领域;以重量份计,由固化胶结外加剂15~20份、渣土80~90份和水78~107份组成;所述固化胶结外加剂由癸二酸二酰肼、无机酸、黄原胶、二氰二氨和磷酸硅粉组成;本发明的盾构壁后注浆浆液,在注浆前流动性好,可注性强,注浆后强度高、防水性好、耐温性强、耐酸碱腐蚀性强,能够满足盾构壁后注浆的要求;固化胶结外加剂形成不溶、不熔的具有三向网状结构的高聚物,具有优良的绝缘性能、力学性能和化学稳定性,可以加速浆液凝固,能够提高浆液在注浆后的整体强度、抗压性能和耐腐蚀性能。
Shield backfill grouting slurry and preparation method thereof
The invention discloses shield backfill grouting slurry, and relates to the technical field of shield grouting and high polymer materials. The mortar is prepared from the following components in parts by weight: 15-20 parts of a curing and cementing additive, 80-90 parts of muck and 78-107 parts of water, the curing and cementing admixture is prepared from sebacic dihydrazide, inorganic acid, xanthan gum, dicyandiamide and silicon phosphate powder; the shield wall post-grouting slurry is good in fluidity and high in groutability before grouting, high in strength after grouting, good in waterproofness, high in temperature resistance and high in acid and alkali corrosion resistance, and can meet the requirements of shield wall post-grouting; the curing and cementing admixture forms an insoluble and infusible high polymer with a three-way net structure, has excellent insulating property, mechanical property and chemical stability, can accelerate slurry solidification, and can improve the overall strength, compression resistance and corrosion resistance of the slurry after grouting.
本发明公开了一种盾构壁后注浆浆液,涉及盾构注浆和高分子材料技术领域;以重量份计,由固化胶结外加剂15~20份、渣土80~90份和水78~107份组成;所述固化胶结外加剂由癸二酸二酰肼、无机酸、黄原胶、二氰二氨和磷酸硅粉组成;本发明的盾构壁后注浆浆液,在注浆前流动性好,可注性强,注浆后强度高、防水性好、耐温性强、耐酸碱腐蚀性强,能够满足盾构壁后注浆的要求;固化胶结外加剂形成不溶、不熔的具有三向网状结构的高聚物,具有优良的绝缘性能、力学性能和化学稳定性,可以加速浆液凝固,能够提高浆液在注浆后的整体强度、抗压性能和耐腐蚀性能。
Shield backfill grouting slurry and preparation method thereof
一种盾构壁后注浆浆液及其制备方法
CHEN JIAN (author) / WU YANKUN (author) / YANG GONGBIAO (author) / LIU TAO (author) / ZHANG YANAN (author) / LEE SU-DONG (author) / WANG KUN (author) / KONG DE'AO (author) / ZHOU XIANG (author) / SHU JICHENG (author)
2024-09-10
Patent
Electronic Resource
Chinese
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