The feasibility of adopting steep slope mining at main quarry is discussed against stripping ratio is high in flood peak period, and the preliminaryscheme is put forward.
In order to ease the stress and improve the service quality, Zizhu Digital Hub co., Ltd. proposed to construct a second staff canteen and brought forward its preliminaryscheme.
The distinction between liquefaction and incipient failure has been clarified. Furthermore, a preliminaryscheme of open-type effective stress dynamic analysis method is proposed.