A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Premixed wet-mixed subway shield synchronous grouting material mortar
The invention discloses pre-mixed and wet-mixed subway shield synchronous grouting material mortar, which belongs to the technical field of shield tunneling, and is prepared from the following raw materials in parts by weight: 3 to 7 parts of high-calcium fly ash, 1 to 2.5 parts of fine sand, 0.1 to 0.8 part of bentonite, 1 to 1.5 parts of iron tailings, 0.003 to 0.05 part of water reducing agent, 0.1 to 0.4 part of lime powder and 0.1 to 0.4 part of cement. In a shield hole, high structural strength of the whole life and multi-point extrusion and settlement of a rock wall can be guaranteed, secondary grouting can be avoided to the maximum extent, the overall structural strength is high, the corrosion-resistant layer is adopted, it can be guaranteed that the outer wall of cement does not make direct contact with the rock wall, the corrosion-resistant effect of the cement is guaranteed, and when cracks are generated, the corrosion-resistant effect of the cement is guaranteed. The adhesive is injected into the gap through the self-healing cement, it is guaranteed that the cement structure gap is wholly filled with the adhesive, and crack aggravation is avoided.
本发明公开了一种预拌湿拌地铁盾构同步注浆料砂浆，属于盾构技术领域，包括如下重量份的原料：3～7重量份的高钙粉煤灰、1～2.5重量份的细沙、0.1～0.8重量份的膨润土、1～1.5重量份的铁尾矿、0.003～0.05重量份的减水剂、0.1～0.4重量份的石灰粉、0.1～0.4重量份的水泥。在盾构洞中，可以保证全寿命较强的结构强度，岩壁的多点位挤压和沉降，可以最大程度避免二次注浆，整体结构强度较强，且采用耐腐蚀层，可以保证水泥的外壁不直接接触岩壁，保证水泥的耐腐蚀效果，其次在产生裂缝时，通过自愈合水泥将粘合剂注入缝隙中，保证对水泥结构缝隙整体填充粘合剂，避免产生裂缝加剧。
Premixed wet-mixed subway shield synchronous grouting material mortar
The invention discloses pre-mixed and wet-mixed subway shield synchronous grouting material mortar, which belongs to the technical field of shield tunneling, and is prepared from the following raw materials in parts by weight: 3 to 7 parts of high-calcium fly ash, 1 to 2.5 parts of fine sand, 0.1 to 0.8 part of bentonite, 1 to 1.5 parts of iron tailings, 0.003 to 0.05 part of water reducing agent, 0.1 to 0.4 part of lime powder and 0.1 to 0.4 part of cement. In a shield hole, high structural strength of the whole life and multi-point extrusion and settlement of a rock wall can be guaranteed, secondary grouting can be avoided to the maximum extent, the overall structural strength is high, the corrosion-resistant layer is adopted, it can be guaranteed that the outer wall of cement does not make direct contact with the rock wall, the corrosion-resistant effect of the cement is guaranteed, and when cracks are generated, the corrosion-resistant effect of the cement is guaranteed. The adhesive is injected into the gap through the self-healing cement, it is guaranteed that the cement structure gap is wholly filled with the adhesive, and crack aggravation is avoided.
本发明公开了一种预拌湿拌地铁盾构同步注浆料砂浆，属于盾构技术领域，包括如下重量份的原料：3～7重量份的高钙粉煤灰、1～2.5重量份的细沙、0.1～0.8重量份的膨润土、1～1.5重量份的铁尾矿、0.003～0.05重量份的减水剂、0.1～0.4重量份的石灰粉、0.1～0.4重量份的水泥。在盾构洞中，可以保证全寿命较强的结构强度，岩壁的多点位挤压和沉降，可以最大程度避免二次注浆，整体结构强度较强，且采用耐腐蚀层，可以保证水泥的外壁不直接接触岩壁，保证水泥的耐腐蚀效果，其次在产生裂缝时，通过自愈合水泥将粘合剂注入缝隙中，保证对水泥结构缝隙整体填充粘合剂，避免产生裂缝加剧。
Premixed wet-mixed subway shield synchronous grouting material mortar
一种预拌湿拌地铁盾构同步注浆料砂浆
HUA LI (author) / ZHOU CHANGLIN (author) / CHEN JUNQIAO (author) / JIANG JINMING (author)
2023-04-18
Patent
Electronic Resource
Chinese
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