pillars相关论文
This paper will discuss how labor mobility accelerates economic growth based on a comparative study between Egypt and Vi......
在基坑开挖过程中,立柱所受水平和竖直方向力处于不断变化状态,变形比较复杂,立柱的稳定对支护结构的安全至关重要,因此有必要研究立柱......
Integration of three-dimensional continuum model and two-dimensional bonded block model for studying
Bonded blockmodel(BBM)has shownpotential in replicating rockmass behavior aswell as the rockesupport interactionmechanis......
中国尊为超高层建筑,外枢筒由多腔体巨柱组成,该结构形式是在普通箱形——混凝土柱基础上发展起来的新型构件,4条超大型多腔体巨型柱......
Pillar stability is one of important aspects for underground mines.Generally,the stability of the pillars is evaluated e......
作为全国重点文物保护单位,阳台宫现存的主体建筑及石柱都建造于明代中晚期,具有鲜明的时代特征。石雕内容主要为吉祥图案、寓言故......
大连快速轨道交通工程3号线15号桥(第8标段),位于大连经济技术开发区内,实际长度1009.8m,宽8.8~9.4 m,包含箱梁13联,除第6联为四跨......
提出了组合框架式液压机立柱的概念设计方法,建立了立柱的力学模型以及立柱的概念设计模型,依据概念设计模型得到了立柱的原型结构......
合成了具有不同组成的类水滑石层状化合物和杂多酸,据此制备了一系列杂多阴离子柱撑水滑石,用IR光谱、DTA等方法研究了此类层柱材料中层与......
The Central Economic Working Conference proposed supplyside structural reforms which can be regarded as major innovation......
美国社会的政治文明在产生、发展到成熟的过程中,不仅基本的政治制度起了非常重要的作用,如宪政制度的确立为美国政治文明的发展奠定......
This contribution describes development and application of a user-friendly finite element program,UT3PC,to address three......
The stability of room mining coal pillars during their secondary mining for recovering coal was analyzed. An analysis wa......
Numerical analyses of pillar behavior with variation in yield criterion,dilatancy,rock heterogeneity
With recent advances in numerical modeling,design of underground structures increasingly relies on numerical modeling-ba......
This manuscript provides a comparison of the Hypersphere World-Universe Model (WUM) with the prevailing Big Bang Model (......
Simulation of recovery of upper remnant coal pillar while mining the ultra-close lower panel using l
With the depletion of easily minable coal seams,less favorable reserves under adverse conditions have to be mined out to......