Fracture Grouting Reinforced Body

Enhanced Stiffness and Bearing Capacity

A grout-vein reinforced body formed in water-rich soft rock, where the vein skeleton improves load-bearing and leads to more controllable failure modes.

Yang, Lei · Zhang, Yaolei · Mingxiu, Tang · Li, Rangjie · Xu, Zhenhao · He, Yin

Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology) 2024

Advantages

Peak deviator stress is positively correlated with roughness, thickness, and quantity of grout veins

Strength decreases with increasing dip angle of grout veins

Failure modes include local expansion and shear slip types