As grains build up, the pile grows in a predictable way until, suddenly and without warning, it hits a critical point and collapses.
当沙砾慢慢增加,沙堆一直在预料的方式中成长,直至突然而又毫无警戒地,它到达了一个临界点然后崩塌了。
2
Physically, this means that the equilibrium configuration of HDAJ spliced pile must occur branches at a critical load and it changes from a stable equilibrium state to other stable equilibrium state.