For the strain-softening surrounding rock, the macro cracks gradually increase once the crack initiation stress is reached. These cracks are much larger than the potential pores of intact rock, so the ...

Young's modulus is a crucial mechanical property in engineering, as it defines the stiffness of a material and tells us how much it will deform for an applied stress. In this video I take a detailed ...

Figure 4 illustrates a schematic diagram of the secondary stress in the tunnel rock mass. These equations characterize the detailed secondary stress of the rock mass. However, these equations are ...

A U.S. foreign services worker said the aid freeze brought "stress and strain." A U.S. foreign service officer deployed overseas blamed President Donald Trump administration's "cruel and harmful ...