Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Vibration-resistant high-toughness shield tunnel synchronous grouting material and preparation method thereof
The invention discloses an anti-vibration strong-toughness shield tunnel synchronous grouting material and a preparation method thereof, the anti-vibration strong-toughness shield tunnel synchronous grouting material comprises 400-500 parts of a base material, 5-22.8 parts of a composite toughening admixture, and 250-350 parts of water, the base material comprises the following components by weight: 30-50 parts of cement, 40-70 parts of mineral powder, 60-100 parts of steel slag powder, 45-85 parts of rice hull ash, 100-180 parts of fly ash, and 70-110 parts of machine-made sand; the composite toughening admixture is prepared from the following components in parts by weight: 0.2 to 1 part of carbon fiber, 0.4 to 2 parts of steel fiber, 0.2 to 0.8 part of polypropylene fiber and 4 to 20 parts of biomass ash. The grouting material has the characteristics of good vibration resistance, excellent mechanical property and high flexural-compressive ratio, and is beneficial to reducing cracks of stone bodies, improving the overall mechanical property, durability and impermeability of the shield tunnel, and realizing safe construction and operation of the shield tunnel.
本发明公开了一种抗振动强韧性盾构隧道同步注浆材料及其制备方法，包括基体材料400‑500份，复合增韧外加剂5‑22.8份，水250‑350份，其中，基体材料由以下重量份的组分组成：水泥30‑50份，矿粉40‑70份，钢渣粉60‑100份，稻壳灰45‑85份，粉煤灰100‑180份，机制砂70‑110份；复合增韧外加剂由以下重量份的组分组成：碳纤维0.2‑1份、钢纤维0.4‑2份、聚丙烯纤维0.2‑0.8份和生物质灰4‑20份。该注浆材料具有抗振动性能好、力学性能优异、折压比高的特性，有利于减少结石体裂缝，提高盾构隧道整体力学性能、耐久性能及抗渗性，实现盾构隧道安全施工运营。
Vibration-resistant high-toughness shield tunnel synchronous grouting material and preparation method thereof
The invention discloses an anti-vibration strong-toughness shield tunnel synchronous grouting material and a preparation method thereof, the anti-vibration strong-toughness shield tunnel synchronous grouting material comprises 400-500 parts of a base material, 5-22.8 parts of a composite toughening admixture, and 250-350 parts of water, the base material comprises the following components by weight: 30-50 parts of cement, 40-70 parts of mineral powder, 60-100 parts of steel slag powder, 45-85 parts of rice hull ash, 100-180 parts of fly ash, and 70-110 parts of machine-made sand; the composite toughening admixture is prepared from the following components in parts by weight: 0.2 to 1 part of carbon fiber, 0.4 to 2 parts of steel fiber, 0.2 to 0.8 part of polypropylene fiber and 4 to 20 parts of biomass ash. The grouting material has the characteristics of good vibration resistance, excellent mechanical property and high flexural-compressive ratio, and is beneficial to reducing cracks of stone bodies, improving the overall mechanical property, durability and impermeability of the shield tunnel, and realizing safe construction and operation of the shield tunnel.
本发明公开了一种抗振动强韧性盾构隧道同步注浆材料及其制备方法，包括基体材料400‑500份，复合增韧外加剂5‑22.8份，水250‑350份，其中，基体材料由以下重量份的组分组成：水泥30‑50份，矿粉40‑70份，钢渣粉60‑100份，稻壳灰45‑85份，粉煤灰100‑180份，机制砂70‑110份；复合增韧外加剂由以下重量份的组分组成：碳纤维0.2‑1份、钢纤维0.4‑2份、聚丙烯纤维0.2‑0.8份和生物质灰4‑20份。该注浆材料具有抗振动性能好、力学性能优异、折压比高的特性，有利于减少结石体裂缝，提高盾构隧道整体力学性能、耐久性能及抗渗性，实现盾构隧道安全施工运营。
Vibration-resistant high-toughness shield tunnel synchronous grouting material and preparation method thereof
一种抗振动强韧性盾构隧道同步注浆材料及其制备方法
LIU RENTAI (Autor:in) / ZHU ZHIJING (Autor:in) / LI XIUHAO (Autor:in) / LI SHUCAI (Autor:in) / BAI JIWEN (Autor:in) / CHEN MENGJUN (Autor:in) / LI LIN (Autor:in) / WANG ZHIHENG (Autor:in) / YAN JIA (Autor:in) / SHAO CHANGZHI (Autor:in)
31.03.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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