inclined slice

In view of the problems of the environmental deterioration and desertification after mining,the controversy to adopt whether sloping clices mining or top-coal caving mining is discussed.

鉴于目前陕北榆神矿区开采引起的生态环境恶化、荒(沙)漠化扩展问题,针对榆树湾煤矿首采面采用倾斜分层开采和放顶煤开采两方案的争论,设计了该两种开采方法的模拟实验,通过实验分析模拟开采实验现象,得出了陕北沙土基型覆盖层在不同的采高下“三带”的分布规律以及土层中裂隙发育规律。

Settlement and inclination observation of multiple-storys and high-storys building;

多高层建筑物沉降及倾斜观测

In this article,the cause of the inclination of the floating disk was analyzed,and the repair method and procedure were introduced.

阐述50000m3原油罐浮盘倾斜的原因,介绍了对50000m3原油罐进行修复的方法及修复过程。