Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Geopolymer modified grouting material and preparation method thereof
The invention discloses a geopolymer modified grouting material and a preparation method thereof.According to the geopolymer modified grouting material and the preparation method thereof, the structure of coal gangue is destroyed, depolymerized and repolymerized through a composite exciting agent and a modifying agent, the coal gangue is fully activated so that the coal gangue can have high gelling property, and the geopolymer modified grouting material of a three-dimensional net-shaped structure is prepared; wherein the mass ratio of the coal gangue powder to the desulfurized gypsum powder to the silica fume to the composite activator to the modifier is 100: 8: 5: 5: 3; the detection data of the prepared geopolymer modified grouting material for preventing and controlling water in the grouting transformation of the bottom plate are as follows: slurry is prepared according to a water-binder ratio of 1: 1, and the performance of the slurry is measured: the fluidity is 260mm; the stone rate is 99.8%; the initial setting time of the slurry is 990min, and the final setting time is 2112min; the 3d plastic strength of the slurry is 1211.6 kPa; the 7d compressive strength reaches 8.82 MPa; and the free expansion rate is 0.3%.
本发明公开了一种地质聚合物改性注浆材料及其制备方法，本发明利用复合激发剂和改性剂对煤矸石的结构进行破坏、解聚、再聚合，充分将煤矸石活化使其具有很强的胶凝性，制备出具有三维网状立体结构的地质聚合物改性注浆材料，其中煤矸石粉：脱硫石膏粉：微硅粉：复合激发剂：改性剂的质量比＝100：8：5：5：3；所制得的底板注浆改造防治水用地质聚合物改性注浆材料检测数据如下：水胶比1：1制备浆液，测得其性能：流动度260mm；结石率99.8％；浆液初凝时间990min，终凝时间2112min；浆液3d塑性强度1211.6kPa；7d抗压强度达到8.82MPa；自由膨胀率0.3％。
Geopolymer modified grouting material and preparation method thereof
The invention discloses a geopolymer modified grouting material and a preparation method thereof.According to the geopolymer modified grouting material and the preparation method thereof, the structure of coal gangue is destroyed, depolymerized and repolymerized through a composite exciting agent and a modifying agent, the coal gangue is fully activated so that the coal gangue can have high gelling property, and the geopolymer modified grouting material of a three-dimensional net-shaped structure is prepared; wherein the mass ratio of the coal gangue powder to the desulfurized gypsum powder to the silica fume to the composite activator to the modifier is 100: 8: 5: 5: 3; the detection data of the prepared geopolymer modified grouting material for preventing and controlling water in the grouting transformation of the bottom plate are as follows: slurry is prepared according to a water-binder ratio of 1: 1, and the performance of the slurry is measured: the fluidity is 260mm; the stone rate is 99.8%; the initial setting time of the slurry is 990min, and the final setting time is 2112min; the 3d plastic strength of the slurry is 1211.6 kPa; the 7d compressive strength reaches 8.82 MPa; and the free expansion rate is 0.3%.
本发明公开了一种地质聚合物改性注浆材料及其制备方法，本发明利用复合激发剂和改性剂对煤矸石的结构进行破坏、解聚、再聚合，充分将煤矸石活化使其具有很强的胶凝性，制备出具有三维网状立体结构的地质聚合物改性注浆材料，其中煤矸石粉：脱硫石膏粉：微硅粉：复合激发剂：改性剂的质量比＝100：8：5：5：3；所制得的底板注浆改造防治水用地质聚合物改性注浆材料检测数据如下：水胶比1：1制备浆液，测得其性能：流动度260mm；结石率99.8％；浆液初凝时间990min，终凝时间2112min；浆液3d塑性强度1211.6kPa；7d抗压强度达到8.82MPa；自由膨胀率0.3％。
Geopolymer modified grouting material and preparation method thereof
一种地质聚合物改性注浆材料及其制备方法
HUANG GANG (Autor:in) / ZHU BO (Autor:in) / WANG SHAOFEI (Autor:in) / CHEN HAI (Autor:in) / WANG YULIN (Autor:in) / GUO YABIN (Autor:in) / ZHANG PENGHUA (Autor:in) / XU YANG (Autor:in) / XU FEIYUE (Autor:in)
17.05.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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