A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
High-strength sprayed concrete for supporting high-ground-temperature roadway and preparation method of high-strength sprayed concrete
The invention relates to the technical field of solid waste resource utilization and geopolymer material preparation, and discloses high-strength shotcrete for high-ground-temperature roadway support and a preparation method of the high-strength shotcrete, and the slump value of the geopolymer shotcrete is determined according to engineering requirements; adjusting the modulus of the alkali activator solution; determining the dosage of an alkali activator; determining a proportional relation between the coarse aggregate and the fine aggregate; determining the dosage of two silicon-aluminum raw materials, namely fly ash and slag; determining the dosage of coarse and fine aggregates; and calculating the dosage of each component of the geopolymer concrete. The geopolymer shotcrete meets the requirements of many projects on the strength of materials, is beneficial to popularization and application of geopolymer concrete, particularly in the aspect of high-ground-temperature underground engineering support, is beneficial to popularization and application of geopolymer shotcrete in a high-temperature environment, avoids waste of materials, time, manpower and the like caused by repeated trial and preparation, and is beneficial to popularization and application of geopolymer shotcrete in a high-temperature environment. And the method has good practicability and operability.
本发明涉及固体废弃物资源化利用和地聚合物材料制备技术领域，且公开了用于高地温巷道支护的高强喷射混凝土及其制备方法，根据工程需求确定地聚合物喷射混凝土的坍落度值；调整碱激发剂溶液的模数；确定碱激发剂的用量；确定粗、细骨料之间的比例关系；确定粉煤灰和矿渣两种硅铝原料的用量；确定粗、细骨料用量；计算地聚合物混凝土的各组分用量。本发明满足众多工程对材料的强度要求，有利于推广地聚合物混凝土的应用，尤其是在高地温地下工程支护方面，有利于地聚合物喷射混凝土在高温环境下的推广应用，避免了因反复试配导致的材料、时间和人力等反面的浪费，具有良好的实用性和可操作性。
High-strength sprayed concrete for supporting high-ground-temperature roadway and preparation method of high-strength sprayed concrete
The invention relates to the technical field of solid waste resource utilization and geopolymer material preparation, and discloses high-strength shotcrete for high-ground-temperature roadway support and a preparation method of the high-strength shotcrete, and the slump value of the geopolymer shotcrete is determined according to engineering requirements; adjusting the modulus of the alkali activator solution; determining the dosage of an alkali activator; determining a proportional relation between the coarse aggregate and the fine aggregate; determining the dosage of two silicon-aluminum raw materials, namely fly ash and slag; determining the dosage of coarse and fine aggregates; and calculating the dosage of each component of the geopolymer concrete. The geopolymer shotcrete meets the requirements of many projects on the strength of materials, is beneficial to popularization and application of geopolymer concrete, particularly in the aspect of high-ground-temperature underground engineering support, is beneficial to popularization and application of geopolymer shotcrete in a high-temperature environment, avoids waste of materials, time, manpower and the like caused by repeated trial and preparation, and is beneficial to popularization and application of geopolymer shotcrete in a high-temperature environment. And the method has good practicability and operability.
本发明涉及固体废弃物资源化利用和地聚合物材料制备技术领域，且公开了用于高地温巷道支护的高强喷射混凝土及其制备方法，根据工程需求确定地聚合物喷射混凝土的坍落度值；调整碱激发剂溶液的模数；确定碱激发剂的用量；确定粗、细骨料之间的比例关系；确定粉煤灰和矿渣两种硅铝原料的用量；确定粗、细骨料用量；计算地聚合物混凝土的各组分用量。本发明满足众多工程对材料的强度要求，有利于推广地聚合物混凝土的应用，尤其是在高地温地下工程支护方面，有利于地聚合物喷射混凝土在高温环境下的推广应用，避免了因反复试配导致的材料、时间和人力等反面的浪费，具有良好的实用性和可操作性。
High-strength sprayed concrete for supporting high-ground-temperature roadway and preparation method of high-strength sprayed concrete
用于高地温巷道支护的高强喷射混凝土及其制备方法
FAN LIDAN (author) / WANG SHUREN (author) / XU FENG (author) / ZHANG JIYUN (author) / YU YONGQIANG (author) / SU ZHOUHU (author) / GUO CONG (author)
2024-02-27
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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