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wall rock 【地,礦】圍巖,母巖。

wall rocket

3 , carry out detailed numerical simulation and analysis for heat extraction of deep - seated hdr based on the tengcong prefecture , reach the major variety rule of rock mass stress , temperature , fracture width depending on the heat extraction . ( 1 ) in the hot dry rock geotherraal energy extraction system , transportation of energy and flow of water arise mainly through the fracture , the lower temperature water attain the high temperature from the injection well to production well through conduction convection and take away the thermal from wall rock 3 、認真地對騰沖高溫巖體地熱開發進行了數值模擬計算和分析,得出了地熱開發過程中巖體應力、溫度以及裂縫寬度隨地熱提取的變化規律等重要結論: ( 1 )在高溫巖體地熱開發系統中,能量的運移、輸送與水的流動主要通過裂縫面發生,注入的低溫水在流到生產井的過程中,發生傳導、對流、吸收圍巖熱量,達到升溫的目的。

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 通過對各礦床有益有害組分分析,以及對成礦母巖、圍巖巖石化學特征、雙交代滲濾作用和圍巖蝕變類型等研究,總結出“三位一體”成礦模式,進而探討了礦體的空間分布規律及其找礦意義。

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,根據隧道施工的各個工序進行模擬分析,并結合對圍巖周邊位移、地表下沉、圍巖與噴層壓力、圍巖體內部位移、錨桿軸力、支護及襯砌強度進行的量測與監控,對量測結果作出了科學分析,從而對隧道圍巖的穩定性和支護結構的安全性做出了綜合評判。

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 闡述了隧道坍塌的危害性,分析了在軟弱圍巖中開挖及施工中坍塌的原因,從開挖、支護、改良、加固等方面,提出了軟弱圍巖施工中應采取的措施和方法。

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礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,并推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟件msc . marc提供了理論根據,也形成了本文的理論基礎:最后,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。

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 本文詳細闡明了鷓鴣山隧道區工程地質條件,對隧道區地應力場演化過程及分布規律進行了研究;基于大量的施工現場跟蹤調研,研究了鷓鴣山隧道圍巖大變形的形成機制;在工程地質分析的基礎上,運用地下工程現代支護理論和施工理念,結合現代監測技術和數值模擬方法,從大變形的支護、預測、信息化設計施工三個方面對大變形的防治進行了探討。

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 研究該礦帶成礦作用和在不同時代巖漿巖、主要脈巖、圍巖蝕變、微量元素及地球化學特徵, ?解元素富集變化規律,建立了地質地球化學找礦標志。

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 蝕變在空間上既有分帶性又有相互疊加的特點,其分帶從礦脈中心向外依次為硅化內核?泥化帶?黃鐵絹英巖化帶?青盤巖化帶。

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,本文拓展了傳統信息化施工的內涵,將施工地質跟蹤調查與測試、圍巖分類、高地應力判別和巖爆預測也納入了信息化施工范疇。

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 、不同種類圍巖在相同的工況下,從、 、類圍巖看,不論是施工期還是運行期,管片襯砌結構的位移的最大值和第一主應力、第三主應力最大值都逐漸增大。

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 垂直延遲迭加震源通過控制裝藥方式和控制炸藥速度來達到與圍巖的最佳匹配,最大限度的利用其激發的能量,激發出高頻成份豐富、頻帶寬、高頻能量高的地震信號。

The software system has four important functions that is intelligent classification of wall rock , analysis and forecast of wall rock stress , analysis and forecast of wall rock deformation , and security of wall rock supporting structure distinguish , and it has friendly user interface 該系統集圍巖類別智能判別、圍巖應力分析與預測、圍巖變形分析與預測和圍巖支護結構安全性判別四大功能于一體,具有友好的用戶界面。

In this paper , the geologic features of carlin type gold deposits in tangxinzhai are expounded , relations of metallogenic with lithologic characters , structure and wall rock alterations are summed up , and its metallogenic conditions and metallogenesis are described preliminarily 本文結合區域地質背景敘述了塘新寨微細浸染型金礦床地質特征,探討了成礦與地層巖性、構造、蝕變的關系,并初步探討其成礦條件與成礦作用。

Compared with muluntau gold deposit from background of geotectonics , wall rocks , features of ore bodies , mineral components of ore , features of alterations , and fluid inclusion , saerbulake gold deposit is typical of muluntau type 摘要從大地構造背景、賦礦田巖、礦體特征、礦石物質組分、蝕變特征和流體包裹體等幾方面,將薩爾布拉克金礦和穆龍套金礦進行了對比,二者有著相近的地質特征,提出薩爾布拉克金礦屬于穆龍套型。

Finally , the dissertation analyze zhu gu mount highway tunnel by the software system from four aspects about intelligent classification of wall rock , discrimination of high crustal stress , analysis of wall rock deformation , and analysis of supporting structures 最后以鷓鴣山公路隧道為例,從圍巖類別智能判別、高地應力判別、圍巖變形分析和支護結構受力分析四方面應用本系統進行分析,取得了較好的應用效果。

The wall rock of the mine is the third member of aqishan formation , which it is formed by the neutral - acidic volcanic rock and volcanic arenite of calcium - alkala series . the rock is mainly of andesite , quartz andesite , volcanic breccia agglomerate and volcanic breccia 礦床賦礦圍巖為阿奇山組第三巖性段鈣堿系列的中酸性火山巖-火山碎屑巖,主要巖性為安山巖、英安巖、火山角礫熔巖、火山角礫巖等。

The practices indicate that comprehensively determining physical and mechanical parameters of rock mass and fully utilizing the bearing capacity of wall rock to optimize the design are of great significance to assure the engineering safety and approve the design level 實踐表明,綜合測定巖體的物理力學參數,充分利用圍巖承載力優化工程設計,對確保工程安全和提高設計水平具有重要意義。

What ’ s more , this paper takes the effect of crown wall rock and mid - board foundation reinforced parametric variation on tunnel structure stress and stability into account grounded on building typical section model of i wall - rock sector 另外,本文還通過建立類圍巖地段隧道典型斷面模型,分別考慮拱頂圍巖和中墻地基加固參數的變化對隧道結構受力和穩定性的影響。

From the study of lanthanon , we know that quart - vein is the single production of hydro mineralization . etch rock and mineralized rock are the mix outcome of hydro mineralization and wall rock materials 稀土元素研究結果反映石英脈是成礦流體的單純產物,而蝕變巖和礦化巖石則是成礦流體與圍巖物質的混合產物。