高分求一篇翻译(是毕业论文的摘要,高手帮帮忙啊)

目前随着水电、交通、采矿业的发展,地下洞室尤其是大型地下工程越来越多运用于各类工程之中,而伴随而来的地质问题(尤其是围岩稳定问题)日益突出。在以往的许多工程中,由于没有充... 目前随着水电、交通、采矿业的发展,地下洞室尤其是大型地下工程越来越多运用于各类工程之中,而伴随而来的地质问题(尤其是围岩稳定问题)日益突出。在以往的许多工程中,由于没有充分认识到围岩稳定问题的重要性,导致了许多事故的发生,诸如开挖后围岩不稳,变形过大,发生塌方,初期支护未设计好,发生塌方等等,因此我们应当重视对围岩稳定的研究和分析。
本文首先主要介绍了目前地质工程领域对围岩稳定性分析比较常有的方法,主要有三种理论方法,包括压力拱理论、太沙基理论、弹塑性理论,和一种数值模拟计算方法(即FLAC数值模拟分析软件)。
本文以广西岩滩扩建工程地下厂房为工程依托,首先通过对其地质条件和岩石力学参数的分析,选择选用压力拱这种理论方法对厂房的围岩稳定进行分析,算出其垂直和侧壁的山岩压力,然后又选用FLAC软件对其围岩稳定进行对比分析,通过得到的X,Y向应力值列表算出其垂直和侧向山岩压力,通过两种分析方法的对比分析,得出可指导工程实践的可靠性结论。
另外本文还通过在中科院武汉岩土力学实验室实习期间获得的某项工程大理岩的岩石力学参数,建立模型对其围岩稳定进行理论方法和数值模拟计算进行分析,主要还是选用压力拱理论和FLAC软件对其分析。
最后综合两个工程实例的分析结果,为未来和在建工程提供更合理和可靠的结论,为类似工程提供一定的借鉴。
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微人与归ing
2008-05-17
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With the current water and electricity, transport, mining industry, especially the large underground cavern underground works more and more applied to all types of projects, and accompanied by geological problems (especially the rock stability problems) have become increasingly prominent. In the past many projects, because not fully aware of the importance of the issues surrounding rock stability, has led to many accidents from occurring, such as rock excavation after the instability, deformation is too large, landslides occurred, did not support the initial design, Landslides occurred, and so on, so we should pay attention to stability on the rock of research and analysis.
This article introduces the first major geological engineering analysis and comparison to rock the stability of the common methods, there are three main theories, including the pressure on arch theory, Terzaghi theory, theory of elastic-plastic, and a numerical simulation methods (that is, FLAC numerical simulation software).
This paper expansion project at Guangxi rock underground powerhouse for engineering support, first of all by its geological conditions and rock mechanics parameters of analysis, this choice selection pressure on arch theory of the plant and rock stability analysis, calculate their vertical and lateral wall of the Shanyan pressure, and then choose FLAC software to its stable rock were analyzed by The X, Y calculated to stress the value list of its vertical and lateral pressure Shanyan, through the two methods of comparative analysis, can be reached Practice guiding the reliability of conclusions.
Another paper also adopted in the CAS Wuhan rock mechanics laboratory internship period of a particular project was the marble rock mechanics parameters, to establish a model of stability in its surrounding rock theory and numerical simulation analysis, the main selection pressure on arch FLAC software theory and its analysis.
Integrated Project last two results of the analysis, for the future in the works and provide a more reasonable and reliable conclusions, for a similar project to provide a reference.
pkq_kitty
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At present along with the water and electricity, the transportation, the mining industry development, the underground hole room large-scale understructure work more and more utilizes particularly in each kind of project, but follows the geological question which comes (particularly adjacent formation stable question) day by day prominent. In former many projects, because does not have to understand fully to the adjacent formation stable question's importance, has caused many accident's occurrences, after such as excavates, the adjacent formation is not steady, the distortion is oversized, has the landslide, the initial period supports and protections has not designed, has landslide and so on, therefore we must take seriously the adjacent formation stable research and the analysis.
This article first mainly introduced the present geological project domain to the adjacent formation stability analyses quite common method, mainly has three theory methods, arches the theory including the pressure, too the sand base theory, the elastoplasticity theory, with one numerical simulation computational method (i.e. FLAC numerical simulation analysis software).
This article take the Guangxi crag beach extension project underground workshop as the project backing, first through to its geological condition and the rock mechanics parameter's analysis, the choice selects the pressure to arch this theory method to carry on the analysis stably to the workshop adjacent formation, figures out its vertical and the sidewall precipice pressure, then selects the FLAC software to carry on the contrastive analysis stably to its adjacent formation, through X, Y which obtains to the stress value list figures out its vertical and the lateral precipice pressure, through two kind of analysis method's contrastive analysis, obtains may instruct the project practice the reliable conclusion.
Moreover this article also through in the Chinese Academy of Science Wuhan soil and rock mechanics laboratory practice period obtains some project marble's rock mechanics parameter, the model building to carry on the theory method and the numerical simulation computation stably to its adjacent formation carries on the analysis, mainly selects the pressure to arch the theory and the FLAC software to its analysis.
Finally synthesizes two project examples the analysis result, will provide more reasonable and a reliable conclusion for the future and the construction in progress, will provide certain model for the similar project
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ytz1994
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At present along with the water and electricity, the transportation, the mining industry development, the underground hole room large-scale understructure work more and more utilizes particularly in each kind of project, but follows the geological question which comes (particularly adjacent formation stable question) day by day prominent. In former many projects, because does not have to understand fully to the adjacent formation stable question's importance, has caused many accident's occurrences, after such as excavates, the adjacent formation is not steady, the distortion is oversized, has the landslide, the initial period supports and protections has not designed, has landslide and so on, therefore we must take seriously the adjacent formation stable research and the analysis. This article first mainly introduced the present geological project domain to the adjacent formation stability analyses quite common method, mainly has three theory methods, arches the theory including the pressure, too the sand base theory, the elastoplasticity theory, with one numerical simulation computational method (i.e. FLAC numerical simulation analysis software). This article take the Guangxi crag beach extension project underground workshop as the project backing, first through to its geological condition and the rock mechanics parameter's analysis, the choice selects the pressure to arch this theory method to carry on the analysis stably to the workshop adjacent formation, figures out its vertical and the sidewall precipice pressure, then selects the FLAC software to carry on the contrastive analysis stably to its adjacent formation, through X, Y which obtains to the stress value list figures out its vertical and the lateral precipice pressure, through two kind of analysis method's contrastive analysis, obtains may instruct the project practice the reliable conclusion. Moreover this article also through in Academia Sinica Wuhan soil and rock mechanics laboratory practice period obtains some project marble's rock mechanics parameter, the model building to carry on the theory method and the numerical simulation computation stably to its adjacent formation carries on the analysis, mainly selects the pressure to arch the theory and the FLAC software to its analysis. Finally synthesizes two project examples the analysis result, will provide more reasonable and a reliable conclusion for the future and the construction in progress, will provide certain model for the similar project.
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