The mechanical nature of engineering excavation activities is stress redistribution in the rock mass, inducing stress unloading in one or more directions. Therefore, any engineering excavation will ...

Repeated excavation and fluctuations in water levels subject mortar to varying stress rates and moisture conditions; however, the coupling effects of these factors remain insufficiently studied. This ...

So since someone brought the 2TB WD Green drive up, I was looking at mine. And its sitting on over 500k load/unloads, and AFAIK is only rated for 300k! Does any of you have experiences with running ...