查询词典 tunnel borer

Through the research of direct search method based on 3D FEM, and its application for the tunnel slope stability analysis, the objectives of this work in this paper are as follows:1. The dynamic programming as well as its application for 3D side slope stability analysis is studied. With the introduction of graph theory concept, one kind of glide pattern of 3D slope is constructed, and the critical slip surface with smallest safety factor is searched with the aid of one auxiliary function including safety factor;2. Using the C++ programming language, the 3D slope stability analysis and the direct search procedure is established, and this method is testified applicably by some contrast analysis, also some influence factor in analysis is discussed;3. Integrated with the different actual situation in tunnel slope, considered its excavation, timbering and rain infiltration, its stability influence and rule is researched used this method, also some processing measure is proposed.

本文通过对三维有限元直接搜索法的研究，并将其应用于隧道边坡的稳定性分析中，主要的研究内容有：1、研究了动态规划原理及其在三维边坡稳定性分析中的应用，引入图论概念，构筑出一种边坡三维滑裂面的滑动模式，借助一个包含安全系数的辅助函数并通过动态搜索求得临界滑裂面与最小安全系数；2、采用C++程序设计语言，编制出边坡三维稳定性分析以及直接搜索法的程序，通过一些算例的对比分析，验证本文方法的适用性，并讨论了三维分析中的一些影响因素。3、结合隧道边坡的不同实际情况，考虑施工开挖过程、衬砌结构及降雨渗流等方面的因素，利用本文方法研究对其稳定性的影响和规律，并提出处理措施

The analytical results are advisable and as follows:(1) The concepts of tunnel circulation measurement of one-kilogram explosive and tunnel circulation measurement of one-meter length of blasthole are put forward.

通过对实验结果的分析，得到如下结论：(1)提出单位炸药循环进尺和单位炮眼循环进尺的概念，这2个概念可为巷道爆破设计的优劣提供评判标准。

The sand fixed hedge has been using at Taiwan's coastally, how is the best desing for different from angle between main hedge and wing hedge, it is still no results. In this study, there are two part of experiment that are field study and wind tunnel. The field study is analysis by BSNE sand sampler and multi-layer anemometer at Yuanli coastally, the wind tunnel experimental that study different length and angle of hedge.

中文摘要堆砂篱於台湾沿海虽已被广泛使用，然堆砂篱是否需要大面积全面铺设，才能获得最显著功效；主篱与翼篱之间夹角应如何规划，才能达到最佳化设计，至今尚无具体结果，为能深入探讨本研究分为现地及风洞试验，现地试验以苑里沿海为试区，架设BSNE垂直集砂器及多层风速计等进行观测；风洞试验则依翼篱长度与角度从事模型吹砂试验。

Dapingzi highway tunnel is located in sound potash granite covered by debris.The overburden of the tunnel is relatively thin and the bias is great. In entrance zone,slope surface is covered with thick deluvial,colluvial,alluvial debris,resulting in difficult tunneling condition.

锦屏电站专用公路大坪子隧道岩体为钾长花岗岩，岩体完整性较好，表层为块碎石土，但隧道埋深较浅，偏压严重，进洞口段边坡表面覆盖有较厚的坡崩冲积块碎石土，成型进洞困难。

In combination with tunnel pass through Nanjing railway station,the monitor techniques of metro tunnel pass through the working railway are studied and elements concerning safety are analyzed.The practical monitoring procedure is adopted to guide the construction,ensure the conductio...

该文结合过站区隧道下穿既有轨道的具体工程实践，探讨了地下隧道穿越既有轨道的施工监测技术，分析了影响施工安全的各种因素，提出了切实可行的监测方案，用于指导工程实践，保证了地下隧道施工及京沪铁路正常运行，获得满意的结果，为同类型工程提供有益的参考。

The morphologic change of the cubital tunnel was the anatomical pathogeny of the cubital tunnel syndrome.

肘关节屈曲时肘管解剖形态的变化是产生肘管综合征的解剖基础。

Some detrimental flow such as half pressure flow will appear when stream go through the tunnel. Therefore, it can improve stress condition, increase energy dissipation effect and reduce cost of construction to set up energy dissipater at inlet of a tunnel.

在过流时隧洞中可能会出现明满流交替等一系列对结构安全不利的水流现象，因此，在隧洞进口处合理设置洞内消能工，可有效改善隧洞结构的受力状况及消能效果，同时降低工程造价。

Finally , author analyzed and compared these two schemes on the aspects of technology and economy according to the wholly structure optimizing process and outcome, and recommended the final scheme of the right banks diversion tunnel of Gongboxia Power Station reconstructed into a horizontal swirling flow internal dissipater tunnel.

最后根据整个体型优化过程与结果，从技术与经济对比分析两个方面，对公伯峡右岸旋流泄洪洞进行了选型研究与方案比较，提出了公伯峡水电站右岸旋流内消能泄洪洞的最终推荐方案。

The results along the way of tunnel doors radial direction, received through microcosmic analyses and researches about macrosopical model, can be divinable guide when designers chose types of tunnel and plan support structures.

本篇论文基于宏观模型的细观分析研究，得到的沿洞口径向路径的分析结果，更能对设计人员在洞形选择、后期支护结构的设计等方面提出可预见性的指导。

Combining with a tunnel construction case,an ordinary method of ascertaining Optimum hole depths in small exploration tunnel drivage is discussed.

结合一坑道施工实例，论述了小型探矿坑道确定最优炮眼深度的一般方法。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。