A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
High-performance roadway wall back filling layer material taking pretreated phosphogypsum as aggregate
The invention belongs to the technical field of roadway wall back filling layers and solid waste recycling, and discloses a high-performance roadway wall back filling layer material with pretreated phosphogypsum as aggregate. According to the ardealite backfill material, ardealite which is pretreated after being dried for 8 hours at the temperature of 130 DEG C is used as aggregate, slag and carbide slag are added, the mixture is stirred with tap water, and no other additive is added. The ardealite, the slag and the carbide slag pretreated by the aggregate used by the wall back filling layer material respectively account for 65-75%, 20-25% and 5-10% of the total solid mass. The ardealite wall back filling layer manufactured according to the mixing ratio can meet the compressive strength requirement, the fluidity requirement and the water permeability requirement of the wall back filling layer in a roadway composite support system, and has the advantages of being low in cost and easy and convenient to manufacture. Meanwhile, the problem that a large amount of industrial solid wastes such as ardealite and the like are accumulated is solved, land resource pressure is released, contribution is made to environmental protection, and certain practical significance is achieved.
本发明型属于巷道壁后充填层及固废回收利用技术领域，公开了一种以预处理磷石膏为骨料的高性能巷道壁后充填层材料。该磷石膏壁后充填层材料以在温度为130℃，烘干8小时进行预处理后的磷石膏为骨料，添加矿渣，电石渣，以自来水搅拌，无任何其他添加剂。其壁后充填层材料所用骨料预处理后的磷石膏、矿渣、电石渣分别占比为总固体质量的65～75%、20～25%、5～10%。采用本配合比所制作的磷石膏壁后充填层可满足在巷道复合支护系统中壁后充填层的抗压强度要求、流动性要求、渗水性要求，且具有成本低廉、制作简便的优点。同时解决了工业固体废弃物磷石膏等其大量堆积的问题，释放土地资源压力，对环境保护做出了贡献，具有一定实用意义。
High-performance roadway wall back filling layer material taking pretreated phosphogypsum as aggregate
The invention belongs to the technical field of roadway wall back filling layers and solid waste recycling, and discloses a high-performance roadway wall back filling layer material with pretreated phosphogypsum as aggregate. According to the ardealite backfill material, ardealite which is pretreated after being dried for 8 hours at the temperature of 130 DEG C is used as aggregate, slag and carbide slag are added, the mixture is stirred with tap water, and no other additive is added. The ardealite, the slag and the carbide slag pretreated by the aggregate used by the wall back filling layer material respectively account for 65-75%, 20-25% and 5-10% of the total solid mass. The ardealite wall back filling layer manufactured according to the mixing ratio can meet the compressive strength requirement, the fluidity requirement and the water permeability requirement of the wall back filling layer in a roadway composite support system, and has the advantages of being low in cost and easy and convenient to manufacture. Meanwhile, the problem that a large amount of industrial solid wastes such as ardealite and the like are accumulated is solved, land resource pressure is released, contribution is made to environmental protection, and certain practical significance is achieved.
本发明型属于巷道壁后充填层及固废回收利用技术领域，公开了一种以预处理磷石膏为骨料的高性能巷道壁后充填层材料。该磷石膏壁后充填层材料以在温度为130℃，烘干8小时进行预处理后的磷石膏为骨料，添加矿渣，电石渣，以自来水搅拌，无任何其他添加剂。其壁后充填层材料所用骨料预处理后的磷石膏、矿渣、电石渣分别占比为总固体质量的65～75%、20～25%、5～10%。采用本配合比所制作的磷石膏壁后充填层可满足在巷道复合支护系统中壁后充填层的抗压强度要求、流动性要求、渗水性要求，且具有成本低廉、制作简便的优点。同时解决了工业固体废弃物磷石膏等其大量堆积的问题，释放土地资源压力，对环境保护做出了贡献，具有一定实用意义。
High-performance roadway wall back filling layer material taking pretreated phosphogypsum as aggregate
一种以预处理磷石膏为骨料的高性能巷道壁后充填层材料
YANG HAOJIE (author) / ZHANG SHUKUN (author) / SUN CHUANG (author) / LI HAICHUAN (author) / FENG DIANZHI (author)
2022-03-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2020
| European Patent Office | 2022
| European Patent Office | 2023