Seepage of Groundwater in an Underground Fractured Rock Mass and Its Sustainable Engineering Application

Abstract

Due to the existence of tiny cracks in rock, underground engineering has begun to consider how to divert a large amount of groundwater. To divert groundwater more effectively, it is necessary to master the seepage characteristics of fluids in the micropores of rocks. Based on rock samples obtained from an underground engineering site, this paper analyzes the microscopic pore structure of the rock through a combination of laboratory tests and numerical simulations and inputs this information into a computer model. The fluid seepage state in the rock under different conditions is simulated in the computer model, and parameters such as the fluid seepage velocity in the rock are obtained. Afterwards, it has been verified by engineering practice that the smallest remaining water inflow can reach 0.06‰. The results of this paper can effectively guide the discharge of groundwater to better manage water resources, greatly reduce the pollution of groundwater in construction and production environments, and reduce the pollution caused by grouting projects. Furthermore, the cleanliness and safety of underground engineering construction and production could be ensured.

Water Seepage in Rocks at Micro-Scale

“…Compared with the existing research results [48] under similar conditions, it can be seen that the research results have a certain similarity, that is to say, the research results are reliable. As shown in Figures 19-21, the pressure and velocity distributions of the X, Y, positive entrance models show that the positive and negative seepage flows throu seepage channels are similar.…”

Grouting theories and technologies for the reinforcement of fractured rocks surrounding deep roadways

“…No single material can fully meet all the requirements of a grouting project. Therefore, based on the characteristics of the surrounding rocks, one or more suitable grouts should be selected for grouting the fractured rocks to meet the requirements of green and environmental mining and sustainability (Wu et al, 2021(Wu et al, , 2022a(Wu et al, , 2022b.…”