long pillar mining是什么意思

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用法例句

Experiment study on the capacity of SRC long column subjected to eccentric compression;

钢骨混凝土偏心受压长柱受力性能试验研究

Experiment of FRP-concrete-steel double-skin rubular long columns under axial compressive load;

FRP-混凝土-钢双壁空心管长柱轴心受压试验

Experimental research on bearing capacity of high-strength cold-formed thin-walled steel long columns;

高强冷弯薄壁型钢轴压长柱受力性能试验研究

Based on the tangent modulus theory and the unified theory of CFST,the formula for calculating the ultimate bearing capacity of elastoplasticity stability of axially loaded steel tubular slender columns filled with steel-reinforced-concrete was obtained.

基于切线模量理论和钢管混凝土统一理论推导了钢骨-钢管高强混凝土组合轴压长柱弹塑性稳定承载力计算公式,理论计算值与试验结果吻合良好,在此基础上推导了该组合柱的临界长细比。

The deflection and deformation of slender column and eccentrically loaded column of ultro-high strength concrete filled steel tubes under loading were studied.

对钢管超高强混凝土长柱、偏压柱在荷载作用下的挠度及变形特点进行了研究。

By the axial compress experimentation of GFRP-Concrete circular tube slender columns,the load-strain curve and failure modes,the regulation of poisson s ratio,force stages,displacement performance,and entire capacity of tube column are analyzed.

通过对GFRP混凝土圆形管长柱的轴心受压试验研究,分析了荷载—应变关系曲线和破坏形态,GFRP混凝土圆形管柱的泊松比变化规律,GFRP混凝土圆形管柱的受力阶段,以及管柱的整体承载力及变形性能。

Eccentricity accreting factor is an important parameter for carrying capacity of the reinforced concrete slender columns.

偏心距增大系数是钢筋混凝土长柱承载力分析的重要参数,根据各国不同的计算方法,以两个理想模型和一个实际工程为例,分析了长细比和偏心距对柱的偏心距增大系数的影响规律,比较了各国计算方法的差异,阐述了长柱的工作机理、破坏过程,为探索新的简化计算方法提供参考。

A total of 30 axial compression box-shaped long columns which were made from a thickness of 0.

6mm、长度为400～2200mm、两端铰接、箱形截面的高强冷弯薄壁型钢长柱进行轴心受压试验。

The design principle and structure characteristics of long-column-type and cone-type desliming equipment are introduces respectively.

介绍了所研制的长柱型脱泥设备和圆锥型脱泥设备的设计原则和结构特点。