Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Shield wall back cement-based grouting material and preparation method thereof
The invention discloses a shield wall back cement-based grouting material and a preparation method thereof. The cement-based grouting material behind the shield wall comprises the following raw materials in parts by mass: 60-70 parts of sulphoaluminate cement; 10 to 15 parts of Portland cement; 8 to 15 parts of high-alumina cement; 17 to 25 parts of an additive; 38 to 45 parts of water; the additive comprises the following raw materials in parts by mass: 10-15 parts of fly ash; 8 to 12 parts of mineral powder; 3-5 parts of silica fume; 0.7 to 1.2 parts of a water reducing agent; 0.1 to 0.15 part of a retarder; 0.07 to 0.12 part of a coagulation accelerator; 0.005 to 0.01 part of a defoaming agent; and 0.005 to 0.01 part of a plastic expanding agent. The preparation method of the shield wall back cement-based grouting material comprises the following steps: weighing sulphoaluminate cement, Portland cement and high-alumina cement, and uniformly mixing to obtain a gel material; weighing the fly ash, the mineral powder, the silica fume, the water reducing agent, the retarder, the coagulant, the defoaming agent and the plastic expanding agent, and uniformly mixing to obtain an additive; the method comprises the following steps: uniformly mixing the cementing material and the additive, weighing water, adding into a stirrer, and stirring to obtain the shield wall back cement-based grouting material.
本发明公开一种盾构壁后水泥基注浆材料及其制备方法。盾构壁后水泥基注浆材料，包括以下质量份的原料：硫铝酸盐水泥：60‑70份；硅酸盐水泥：10‑15份；高铝水泥：8‑15份；外加剂：17‑25份；水：38‑45份；外加剂，包括以下质量份的原料：粉煤灰：10‑15份；矿粉：8‑12份；硅灰：3‑5份；减水剂：0.7‑1.2份；缓凝剂：0.1‑0.15份；促凝剂：0.07‑0.12份；消泡剂：0.005‑0.01份；塑性膨胀剂：0.005‑0.01份。盾构壁后水泥基注浆材料的制备方法，包括：称量硫铝酸盐水泥、硅酸盐水泥和高铝水泥，混合均匀，制得凝胶材料；称量粉煤灰、矿粉、硅灰、减水剂、缓凝剂、促凝剂、消泡剂、塑性膨胀剂，混合均匀，制得外加剂；将胶凝材料、外加剂混合均匀，称取水后一同加入搅拌机，搅拌，制得盾构壁后水泥基注浆材料。
Shield wall back cement-based grouting material and preparation method thereof
The invention discloses a shield wall back cement-based grouting material and a preparation method thereof. The cement-based grouting material behind the shield wall comprises the following raw materials in parts by mass: 60-70 parts of sulphoaluminate cement; 10 to 15 parts of Portland cement; 8 to 15 parts of high-alumina cement; 17 to 25 parts of an additive; 38 to 45 parts of water; the additive comprises the following raw materials in parts by mass: 10-15 parts of fly ash; 8 to 12 parts of mineral powder; 3-5 parts of silica fume; 0.7 to 1.2 parts of a water reducing agent; 0.1 to 0.15 part of a retarder; 0.07 to 0.12 part of a coagulation accelerator; 0.005 to 0.01 part of a defoaming agent; and 0.005 to 0.01 part of a plastic expanding agent. The preparation method of the shield wall back cement-based grouting material comprises the following steps: weighing sulphoaluminate cement, Portland cement and high-alumina cement, and uniformly mixing to obtain a gel material; weighing the fly ash, the mineral powder, the silica fume, the water reducing agent, the retarder, the coagulant, the defoaming agent and the plastic expanding agent, and uniformly mixing to obtain an additive; the method comprises the following steps: uniformly mixing the cementing material and the additive, weighing water, adding into a stirrer, and stirring to obtain the shield wall back cement-based grouting material.
本发明公开一种盾构壁后水泥基注浆材料及其制备方法。盾构壁后水泥基注浆材料，包括以下质量份的原料：硫铝酸盐水泥：60‑70份；硅酸盐水泥：10‑15份；高铝水泥：8‑15份；外加剂：17‑25份；水：38‑45份；外加剂，包括以下质量份的原料：粉煤灰：10‑15份；矿粉：8‑12份；硅灰：3‑5份；减水剂：0.7‑1.2份；缓凝剂：0.1‑0.15份；促凝剂：0.07‑0.12份；消泡剂：0.005‑0.01份；塑性膨胀剂：0.005‑0.01份。盾构壁后水泥基注浆材料的制备方法，包括：称量硫铝酸盐水泥、硅酸盐水泥和高铝水泥，混合均匀，制得凝胶材料；称量粉煤灰、矿粉、硅灰、减水剂、缓凝剂、促凝剂、消泡剂、塑性膨胀剂，混合均匀，制得外加剂；将胶凝材料、外加剂混合均匀，称取水后一同加入搅拌机，搅拌，制得盾构壁后水泥基注浆材料。
Shield wall back cement-based grouting material and preparation method thereof
一种盾构壁后水泥基注浆材料及其制备方法
CHEN JIEHUA ( Autor:in ) / WEI CHENLIANG ( Autor:in ) / CHEN SHAOHONG ( Autor:in ) / LIN CHAO ( Autor:in ) / LI HUI ( Autor:in ) / YE YUESHENG ( Autor:in ) / RUAN YANMEI ( Autor:in ) / LIU CHEN ( Autor:in ) / LI XUJIE ( Autor:in ) / ZHU XIAOLONG ( Autor:in ) ... [mehr]
22.08.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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