An analysis study was conducted on the strength and safety of the backfillmaterial based on the engineering mechanics.
并基于工程力学对充填体强度及其安全性进行了分析研究。
2
According to the research, the natural graded gravel is the best backfillmaterial of graded crushed stone, grit, lime stabilized soil and rock chips.
研究表明，在连续级配碎石、砂砾、石灰稳定土、石屑几种回填材料中以自然级配砂砾石为最佳台背回填材料。
3
This paper studied the mechanical properties, expansion and contraction and road performance of backfillmaterial made by waste gypsum from TiO 2 production and fly ash.