台阶法 meaning in English
bench method
Examples
- Combining the study characteristic and the current construction method of the bi - arch tunnel in domastic and aboard , the paper deeply study the three heading construction method and the benching tunneling construction method
结合目前国内外对双连拱隧道的研究特点以及国内外对双连拱隧道施工方法的现状，本文针对三导坑法和上下台阶法进行了较为深入的研究工作。 - Considering the actual condition of this tunnel , several key mechanical problems involved in the construction of the tunnel have been studied : the comparison of three - heading construction method and benching tunneling method , and the construction sequence of the two tunnels is carried out
本文结合该工程实际，进行黄土连拱隧道的关键施工力学问题研究：正洞上下台阶法与侧壁导洞法施工方案比较研究；先左洞（靠山一侧）施工方案和先右洞施工方案的对比。 - Firstly , by the dynamical fem calculation about the above two construction method , the paper analyses the stress field and displacement field of the surrounding rock and the axial force and bending moment of the steel framework , specially analyses the most important member - the central wall and obtains the stress pattern during the different construction working procedure . after comparing the two methods , the paper considers the benching tunneling method is better
首先，运用有限元程序ansys对三导坑法和上下台阶法进行了动态数值模拟，分析了在不同施工工序下围岩体的应力场、位移场以及钢拱架的轴力和弯矩，尤其对双连拱隧道的核心构件?中隔墙进行了分析，得出了其在不同施工工序下的应力图。 - Using fem ( finite element method ) , the paper makes mechanical analyses on bench cut method and side heading method , it also makes mechanical analyses on some auxiliary construction methods , such as big pipe - roof protection , horizontal roll - spraying , big and small angle pipe - roof protection and surface grouting
论文采用有限元的分析方法，主要对台阶法、侧壁导坑法进行了力学分析，也选择了大管棚法、水平旋喷法、大小外插角管棚法和地表注浆加固四种辅助工法进行力学分析。 - A modified definition of polarization resistance calculated from the equivalent circuit of eis make its value dependent on the grain size . in anodic polarization test ( sweeing and stair - steps ) , the maximum ( critical ) current density increases while the passivation potential and breakdown potential lowers with the reduction of the grain size . fegsem images showed the grain growth and pitting corrosion of the nc copper surface , uniform corrosion in the mc copper surface and the broken passivation layer in both surfaces
在阳极极化实验(包括扫描法和台阶法)中，致钝电流虽晶粒尺寸减小而增大，而致钝电位和击穿电位都随着晶粒细化而降低。 fegsem照片发现了纳米晶铜的晶粒长大和孔蚀，微米晶铜表面的均匀腐蚀，和两种铜表面破碎的钝化膜。