The vertical delay stacked source obtains optimum matching with wall rock by controlling the charge mode and the excitation velocity , and maximum utilizes its energy . thus the seismic signal with the high frequency abundance and frequency bandwidth wide be obtained 垂直延迟迭加震源通过控制装药方式和控制炸药速度来达到与围岩的最佳匹配，最大限度的利用其激发的能量，激发出高频成份丰富、频带宽、高频能量高的地震信号。
3 . under different kinds of wall rock and the same condition , from ii iii v kinds of wall rock , and conditions of construction period and operation period , it gradually increases that the maximum of displacement and the first main stress third main stress of pipe liner structure 3 、不同种类围岩在相同的工况下，从、 、类围岩看，不论是施工期还是运行期，管片衬砌结构的位移的最大值和第一主应力、第三主应力最大值都逐渐增大。
And besides , the dissertation develops the contents of traditional information construction , brings wall rock classification , high crustal stress distinguishing and rock pressure burst forecasting into information construction category , in this way , the information construction is more applicable and perfect 并且，本文拓展了传统信息化施工的内涵，将施工地质跟踪调查与测试、围岩分类、高地应力判别和岩爆预测也纳入了信息化施工范畴。
The alteration of wall rock is mainly of propylitization , silicification , carbonatization , argillization and beresitization . the characteristics of alteration show the zoning and overlapping on the space . from the inner to outside of the ore vein zoning is : silicification inner core - argillization - beresitization - propylitization 蚀变在空间上既有分带性又有相互叠加的特点，其分带从矿脉中心向外依次为硅化内核?泥化带?黄铁绢英岩化带?青盘岩化带。
This paper has studied the ore - forming process of this ore belt and magmatic rocks , major vein rocks , wall rock alterations , trace elements and geochemical characteristics of various epochs , probed into the regularity of element enrichment and variation , and established geological - geochemical ore - prospecting criteria 研究该矿带成矿作用和在不同时代岩浆岩、主要脉岩、围岩蚀变、微量元素及地球化学特徵， ?解元素富集变化规律，建立了地质地球化学找矿标志。
The dissertation detailedly explains the engineering geology conditions of zhe gu mount tunnel area , and has researched the crustal stress development process and the regulation of distribution . according to mounts of site tracing investigations , author has researched the formation mechanism of wall rocks at zhe gu mount tunnel . on the base of engineer geology analysis , applying the modern support theory and construction conception of underground engineer , and combining with modern monitor technique and numerical simulation , has researched and discussed about support , forecast and information design - construct etc . three phase on large deformation " prevention 本文详细阐明了鹧鸪山隧道区工程地质条件，对隧道区地应力场演化过程及分布规律进行了研究；基于大量的施工现场跟踪调研，研究了鹧鸪山隧道围岩大变形的形成机制；在工程地质分析的基础上，运用地下工程现代支护理论和施工理念，结合现代监测技术和数值模拟方法，从大变形的支护、预测、信息化设计施工三个方面对大变形的防治进行了探讨。
Fist of all , on the basis of the research of agone boffins , this author investigates the interaction mechanism of bolts and rock , and introduces the elastic ? lastic analytical resolution which is consist of the liner structure , the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design . on the basis of coulomb friction model , the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc . marc . finally , combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction , the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts , and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports 首先，在前人研究成果的基础上，对锚杆与围岩的相互作用机理进行研究，利用全长锚固锚杆的中性点理论，从等效均化的角度来考虑锚杆对围岩的加固作用，并推导了在简单荷载作用下，含有衬砌、等效加固后的围岩、原始围岩三者的弹塑性解析解，对工程设计有着重要的参考意义；在数值模拟方面，以考虑锚固围岩满足规则化库仑摩擦模型为基础，利用虚功原理推导了接触问题的有限元方程的计算格式，为开发运用大型商用有限元软件msc . marc提供了理论根据，也形成了本文的理论基础：最后，论文以南水北调东线穿黄隧洞稳定性分析项目为工程实例，利用本文所述的接触问题的摩擦模型理论，对锚杆支护结构的应力场、位移场的变化规律进行了研究，分析了加锚支护对隧洞围岩应力、变形的影响。
This paper expounds the harms of the tunnel collapse , analyzes on the reasons of the collapse that occurs in the excavation and construction of the soft wall rock , and advances some measures that should be adopted in the construction of soft wall rock from aspects of the excavation , support , improvement , and reinforcement , etc 阐述了隧道坍塌的危害性,分析了在软弱围岩中开挖及施工中坍塌的原因,从开挖、支护、改良、加固等方面,提出了软弱围岩施工中应采取的措施和方法。
And then according to every process of tunnel construction , simulated analysis is carried out . by combining with monitoring and instrumentation of surround rock periphery displacement and the face of land to sink , surround rock with spray laminating force , surround rock body internal displacement , anchor rod axle force and protect and lining build strength , we have carried out scientific analysis and synthesis judgement of the stability of tunnel wall rock and the security of timbering structure 然后，根据隧道施工的各个工序进行模拟分析，并结合对围岩周边位移、地表下沉、围岩与喷层压力、围岩体内部位移、锚杆轴力、支护及衬砌强度进行的量测与监控，对量测结果作出了科学分析，从而对隧道围岩的稳定性和支护结构的安全性做出了综合评判。
Study on the analysis of ore elements , gangue elements or poisonous elements , petrochemical characteristics of the wall rock and host rock , bi - lateral replacement and wall rock alterations leads to the metallogenic model of three in one which reveals the ore spatial distribution regularity thus is significant to further ore exploration 通过对各矿床有益有害组分分析，以及对成矿母岩、围岩岩石化学特征、双交代渗滤作用和围岩蚀变类型等研究，总结出“三位一体”成矿模式，进而探讨了矿体的空间分布规律及其找矿意义。
