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The selection of geological prospecting in different stages(initial-prospecting, detailed-prospecting)(2)the selection of geological prospecting in the deep-laid and shallow-laid of tunnel project (3)the selection of geological prospecting of tunnel projecting in different geological conditions Finally, the author summed up main problems needing to be solved in tunnel engineering geological prospecting as follow:(1)differentiate stratum and find out the depth and thickness of different stratums in the tunnel section (2)find out geological structure and existence situation of fault, broken zone and weak plane (3)find out weathering level of bed rock to classify surrounding rock combining speed materials (4)differentiate stratum structure of the entrance of tunnel to judge the stability of it (5)find out existence situation and performance of ground water (6)situations of other harmful geological phenomenon In view of above problems and classification of surrounding rock, the author showed principles of rational choosing of methods in geological prospecting and counted disperse range of physical character parameter value in different petrosal character, getting achievements as follow:(1)summarization of effect, merits and demerits of different geological prospecting methods in the tunnel geological investigation (2)method selection and arrangement principle of tunnel engineering geological prospecting in different geological conditions and prospecting stages (3)According to previous experience and cases, the author concluded the物性parameters most in use ,and showed the basis of selecting geological prospecting methods in different geological conditions.

论文中用几个应用实例来说明:(1)不同勘察阶段物探工作的选用;(2)深埋、浅埋隧道工程物探工作的选用;(3)不同地质条件隧道工程物探工作的选用。最后总结归纳出隧道工程物探所需要解决的问题主要有:(1)划分地层,查明隧道通过剖面的各地层深度与厚度。(2)查明地质构造,隧道轴线段有无断层、破碎带、软弱层面等。(3)查明基岩风化程度,从而结合速度资料进行围岩分级。(4)划分洞口地层结构,判断洞口稳定性。(5)查明地下水赋存情况及其活动动态。(6)其他不良地质现象存在情况。针对上述需要查明的地质问题与计算围岩分级情况,论文提出合理选用物探方法的原则,并统计了物性参数值在不同岩性中的分布范围。得出以下研究成果:(1)总结出各物探方法在隧道地质调查中的作用和优缺点。(2)得出不同地质条件下和不同勘察阶段,隧道工程物探方法选择和布置的原则。(3)根据以往工作经验和事例,对常用的物性参数进行了归纳总结,同时介绍了不同地质条件下物探方法选择的依据。

And tower water supply drainage work is compared with in general multilayer building and low tier of buildings water supply drainage work , fundamental theory and reckoning are identical in the field of some , tier of numbers are many because of the tower , the building altitude is big , the building function is broad , building structure is complicated but, what be accepted the external world condition restricting waits, tower water supply drainage work is listed in disregarding being to be still extent on technology depth,have exceeded low tier of buildings water supply drainage work category, The number having the following few characteristics tower water supply draining off equipment is many and, instant the source of water that the rate of flow giving a water yield and draining away water depends on , rational water supply of economy sewerage form and , breathable appropriate treatment draining off pipeline problem and, to ensure that water supply safety is reliable , the administration draining away water unobstructed and defending is convenient.

高层建筑给水排水工程与一般多层建筑和低层建筑给水排水工程相比,基本理论和计算方法在某些方面是相同的,但因高层建筑层数多、建筑高度大、建筑功能广、建筑结构复杂,以及所受外界条件的限制等,高层建筑给水排水工程无论是在技术深度上,还是广度上,都超过了低层建筑物的给水排水工程的范畴,并且有以下一些特点高层建筑给水排水设备的使用人数多,瞬时的给水量和排水流量靠的水源,以及经济合理的给水排水系统形式,并妥善处理排水管道的通气问题,以保证供水安全可靠、排水通畅和维护管理方便。

Host: the business structure of MCC has transformed from only including the traditional and single undertaking of engineering construction to a structure consisting of five main business undertakings of EPC general contracting, resource development, manufacturing of technical equipments, paper making and real estate development. By sticking to the principle of "only do things that can be done and are relevant" and trying to avoid risks of an undiversified structure, MCC has improved its overall survival and development ability.

主持人:中冶集团的经营结构从传统、单一的工程建设领域转变为EPC工程总承包、资源开发、技术装备制造、纸业、房地产开发五大主业结构,坚持"只做会做的,只做相关的"原则,努力规避过去单一结构的风险,全面提高集团的生存和发展能力。

By means of finite element-topological optimization method,firstly,the structure static analysis for the moving platen of injection molding machine was analyzed with hyperworks software.the stress distributions were obtained veraciously,and then the structure of the moving platen was optimized according to the variable density method.the best scheme of material distribution was proposed.the design stiffness of the product was improved;the aim of lightweight for the structure was also achieved.the process of...

采用先进的有限元-拓扑优化方法,应用hyperworks软件对注射机移动模板进行结构静力分析,准确获得应力分布,并按照变密度法对其进行结构优化,提出了移动模板材料的最佳分布方案,不仅提高产品设计刚度,还达到结构轻量化的目标。该分析及优化过程对目前应用较广的箱式模板设计具有重要的工程参考价值,能有效地解决工程设计中的实际问题。

And loess mass structures are divided into four types as homogeneous, stratified, columnar, blocky and cloddy pulverescent structures based on the sedimentation characteristics of loess, features of structural planes and range of engineering loess mass.

依据黄土的沉积特点、结构面的特征和工程黄土体的范围将黄土体结构分为均质结构、层状结构、柱状结构、块裂结构和碎裂结构。

Frame supporting structure with prestressed anchor is a kind of light supporting structure developed in recent years. This structure has many advantages such as simple construction method, low cost and so on. So it has been more widely used in slope engineering, their analysis in terms of theory and design is not yet ripe and perfect.

框架预应力锚杆支挡结构是近几年新出现的一种轻型支挡结构,这种结构具有施工方法简单,工程造价低等诸多优点,使其在边坡工程中得到了较为广泛的应用,但就其分析方法和设计理论来讲还不成熟、完善。

In the light of adaptability of movable platforms, stratum structural characteristics and sedimentary characteristics, the thesis divides the study area into four subzones as follows: engineering geological subzone of the recently deposited tidal flat, engineering geological subzone of the Gaizhou Tidal Flat, engineering geological subzone of offshore areas, and engineering geological subzone of tidal ditches; and amenity of ocean engineering is discussed in each subzone.

论文根据移动式平台的适应性及地层结构特征、沉积物性质,将本研究区域分为新近潮滩工程地质区、盖州滩工程地质区、浅海工程地质区、潮道工程地质区,分区讨论了海洋工程的适宜性。

The courses offered in this program include political theory, foreign languages, numerical analysis, application of computer techniques, chemical structures of plant fibers, pulp preparation chemistry, pulp and paper making technology, computer simulation of equipment and processes, sugar science and engineering, sugar making technology and equipment, biochemical technology, microorganism enzymes, enzyme engineering, fermentation technology, biochemical engineering and control theory, biochemical separation technology, biological catalyst technology, leather processing theory and technology, leather cleaning technology and theory, leather testing techniques, synthesis and application of chemical leather products, thermodynamic processes in light industry equipment, light industry enterprise management, product quality control, etc.

研修的主要课程有:政治理论课、外语课、数值分析、计算机应用技术、植物纤维化学结构及其研究方法、制浆化学、制浆造纸工艺、设备及过程计算机模拟、糖品科学与工程、现代制糖工艺与装备、现代生化技术、微生物酶学、酶工程、发酵工程技术、生化工程及控制概论、生化分离工程、生物催化技术、皮革现代加工理论与技术、皮革清洁工艺及理论、现代皮革检测技术、皮革化学制品合成及应用、轻工真空设备的热工过程、轻工企业管理及产品质量控制等。

The courses offered in this program include political theory, foreign languages, numerical analysis, application of computer techniques, chemical structures of plant fibers, pulp preparation chemistry, pulp and paper making technology, computer simulation of equipment and processes, sugar science and engineering, sugar making technology and equipment, biochemical technology, microorganism enzymes, enzyme engineering, fermentation technology, biochemical engineering and control theory, biochemical separation technology, biological catalyst technology, leather processing theory and technology, leather cleaning technology and theory, leather testing techniques, synthesis and application of chemical leather products, thermodynamic processes in lig

研修的主要课程有:政治理论课、外语课、数值分析、计算机应用技术、植物纤维化学结构及其研究方法、制浆化学、制浆造纸工艺、设备及过程计算机模拟、糖品科学与工程、现代制糖工艺与装备、现代生化技术、微生物酶学、酶工程、发酵工程技术、生化工程及控制概论、生化分离工程、生物催化技术、皮革现代加工理论与技术、皮革清洁工艺及理论、现代皮革检测技术、皮革化学制品合成及应用、轻工真空设备的热工过程、轻工企业管理及产品质量控制等。

The problems about safety and durability of bolt and cable-supported structures are presented.

1引言 锚固类结构主要指锚索、锚杆和土钉一类岩土工程常用加固、支护结构,在非临时性工程中,还包含加筋土结构。

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推荐网络例句

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。