Using two different test standards (ASTM and BS), the influence of five different sizes of sand
on the ultimate stress (MPa) of hand-mixed cement-grouted sands modified with polymer is …

The mechanical behavior and constitutive relation of rock joints have caught more and more
attention in the field of geotechnical engineering. The disturbed state concept (DSC) theory …

In this paper, a number of artificial rock specimens with two parallel (stepped and coplanar)
non-persistent joints were subjected to direct shearing. The effects of bridge length (L) …

The influence of roughness, aperture and asperity irregularity on fluid flow regimes in rough
rock fractures was investigated by performing coupled triaxial water flow tests and fluid …

The mechanical performance of fully grouted rock bolts is essential in the stability of
underground excavations in jointed rock masses. This research implements a new cohesive …

The transitional normal stress of a rock joint subject to shear refers to the critical normal
stress under which the normal dilation is completely suppressed. The transitional normal …

This study presents a constitutive model to predict the shear behavior of rock joints under
cyclic loading. The model focuses on asperity degradation and debris backfilling during a …

The mechanical behaviour of natural, unfilled rock joints is influenced by the interaction
between surface roughness and matedness of the contact surfaces. In the field, natural rock …

We present a series of controlled fluid injection experiments in the laboratory on a pre‐
stressed natural rough fracture with a high initial permeability (∼ 10− 13 m2) in granite …

The rock masses, especially with existing discontinuous joints, are prone to shear failure
when subjected to constant changing stress in the direction perpendicular to the free face …