巖面開挖 的英文怎麼說

中文拼音 [yánmiànkāiwā]
巖面開挖 英文
ledge excavation
  • 巖 : 名詞1. （巖石） rock 2. （巖峰） cliff; crag
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 挖 : 動詞（用工具或手從物體的表面向里掘取） dig; excavate; scoop
  1. This thesis tries to solve the problems in the design and construction of jinping cascade 2 hydropower station. a typical section is selected to analysis seepage, seepage control and fem numerical simulation. the influence of different plans of excavation and support on seepage field of subsurface water and stability of adjoining rock are studied. the homologous support pattern is suggested according to the research results

    本文就錦屏二級水電站（一期）深埋長隧洞的設計和施工中面臨的一些問題，選取隧洞的一個典型斷面進行滲流、滲控分析和開挖及支護的有限元數值模擬，從而就深埋隧洞不同的開挖及支護方式對地下水滲流場及圍巖穩定性的影響和所應採取的支護措施等方面進行了探索、研究。
  2. Due to exceedingly flat arched vault of the flat tunnel with outsized span and renewed stress allocation in surrounding rock after excavation, which would inevitably induce some excessively large load on the base of arch, therefore, larger load - bearing capability in the is " foundation is a must. on the other hand, smooth face explosion must be applied to excavation of the arch base to further ensure the integrity and continuity of country rock around tunnel

    特大跨超淺埋隧道拱部結構過于扁平，開挖后發生二次應力分佈，拱腳處的應力過大，要求有較大的地基承載力，拱腳開挖時必須採用光面爆破，保證圍巖的完整性和不受擾動，開挖后及時封閉，防止該處積水軟化圍巖。
  3. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目，從地下空間靜力結構穩定性分析角度出發，針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米，高7 . 5米的地下隧道這一具體工程情況，採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算，探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響，通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況，從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律： （ 1 ）在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖（ ux 、 uy ）以及應力等值線色譜圖（ _ 1 、 _ 2 、 _ （ xy ） ）等； （ 2 ）相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ （ xy ）對比分佈曲線； （ 3 ）不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ （ xy ）的對比分佈曲線等，為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  4. ( 2 ) according to the forming model of the deep pull cracks, they can be divided into three classes pulled cracks -, pressed cracks and sheared cracks. ( 3 ) based on the two - dimensional and three - dimensional finite element methods. the following results can be affirmed : in the slope excavating process, the base surface will rebound in the direction of the excavating surface ' s excerior normal. the maximal displacements of the left and right bank are + 3. 6cm and + 2. 4cm ; the arch abutment will rebound in the direction of the river valley, the maximal displacements of the two bank are + 3. 5cm and + 2. 2cm ; the upstream and downstream surface will rebound in the direction of the normal direction. the maximal displacements are + 2. 1cm and + 1. 7cm. ( 4 ) the natural slope is stable

    （ 3 ）通過二維及三維有限元分析得知，左右岸拱肩槽邊坡在開挖過程中，開挖底面主要表現為朝開挖面外法線方向發生回彈，左右岸最大位移量分別為+ 3 . 6cm 、 + 2 . 4cm ；拱端面主要表現為向河谷方向發生側向回彈，左右岸最大位移量分別為+ 3 . 5cm 、 + 2 . 2cm ；上下游坡面主要表現為向臨空方向的回彈，左右岸最大位移量分別為+ 2 . 1cm 、 + 1 . 7cm ；開挖使巖體產生由卸荷回彈導致的傾倒拉裂現象。
  5. A brief introduction is given to the treatment of the zeya dam foundation, principles of seepage control and design of the concrete face rockfill dam of the zeya reservoir. as for the excavation of the sand - gravel zones, except the toe slab and its 1 / 9 bottom width down stream, the alluvial layers are excavated to the micro - weathered rocks, while the other sections remain unexcavated. regarding to the treatment of the fracture zones, concrete filling is used for the toe slabs and semi - permeable materials are used for other section. according to the construction characteristics, a filter is placed in the down stream embankment foot. to improve the integrity of the dam foundation and anti - seepage capability consolidation grouting and curtain grouting are adopted. as a result safety, economic benefit, convenience in construction and good performace are achieved

    簡要論述澤雅水庫面板堆石壩壩基處理和防滲的原則及設計要點.趾板基礎和堆石體各區砂礫石基礎開挖，除趾板與其下游1 / 9底寬范圍以及壩腳挖除沖積層至弱風化（局部微風化）基巖外，其餘部分均予以保留.斷層破碎帶處理，趾板部位採用混凝土塞，其它部位採用半透水料置換，並根據本工程特點在下游壩腳加設了反濾層.為提高壩基的整體性和防滲性能，對趾板進行了固結和帷幕灌漿.達到了安全、經濟、便於施工的目的，運行情況良好，可為面板堆石壩的設計和研究提供參考與借鑒
  6. In order to make the best use of explosive energy in loosing soil or throwing it onto some area and ensuring the bottom meet some leveling requirements after blasting, a plane charge layout is often adopted according to blasting design and engineering quality requirements in open chamber blasting such as mine exploitation, field leveling and foundation pit excavation of construction

    摘要在礦山剝離、場地平整以及建（構）築物基坑開挖等露天爆破中，為了充分利用炸藥能量將巖石松動或拋擲到一定區域，並確保底板滿足一定平整度要求，按照爆破技術設計和工程質量要求，需要設計平面布藥結構。
  7. The algorithm works for both joint sets and for any joint system where each joint has its own direction

    巖體的邊界可以是任何自然巖石邊坡與人工開挖的任何巖體表面。
  8. In order to facilitate selection of tbms in a project based on engineering geology and hydrogeology conditions, project characteristics and environmental constraints, it is necessary to understand the operation mechanisms of different tbms and classify them accordingly

    本文介紹了各種類型的全斷面隧道掘進機的運行機理，並根據最終開挖隧道斷面，掌子面的支護類型及巖土體的破碎機理對全斷面隧道掘進機進行分類。
  9. In order to direct the water to the forebav of the pump station from the original canal, a channel long 135 m is designed. it crosses through the terrain top with a depth of more than 50 m. soil of the channel slopes is a strongly - weathered silty and sandy mudstone with many well - developed reticular cracks and takes the structural surfaces almost same as the channel slopes

    東深供水工程金湖泵站位於塘廈鎮東面，屬低山、殘丘地貌，地面高程22 60m ；泵站前池進水渠橫切山脊，連接原東深供水河，設計開挖1條長135m的進水渠，坡高50多米，邊坡土質為強風化的粉砂質泥巖，網狀裂隙發育，結構面基本與坡面重合；坡體土質中含有較多的粘土礦物，具有遇水軟化的特性。
  10. Associated with a project of the planned xuefengshan tunnel with 7. 6 km long during the construction of shaoyang to huaihua expressway in hunan province of shanghai to ruili national trunk highway, this paper firstly makes an introduction of the frequently - used analysis & computation methods for tunnel supporting structure. then, based on the analysis of the basic theory about the interaction mechanism of surrounding rock and support structure, a spatial computation model is made, a coupling numerical computation method with 3 - d elastic - plastic finite element and infinite element is proposed, and a comprehensive analysis has been made to the effects of the overall stability and safety of the surrounding rocks of different characteristics, different classes and under different construction methods. and thus the problem of 3 - d infinite region to which applying the general finite ca n ' t do has been resolved

    6公里的雪峰山隧道工程，首先介紹了隧道支護結構的常用分析計算方法；然後通過對隧道施工過程中，洞室穩定性與支護結構相互作用機理的深入分析，建立了隧道施工過程的空間計算模型，提出了採用三維彈塑性有限元-無限元耦合的數值計算方法，綜合分析了隧道在不同圍巖特性和圍巖類別條件下，以及不同施工開挖方案等對隧道圍巖整體穩定和安全性的影響，從而解決了通用有限元方法難以解決的隧道三維無限域問題；其可充分發揮有限元法在分析非線性方面的有效性和成熟性，以及無限元法在分析處理無限域和半無限域方面的精確性和簡便性，為隧道施工過程中圍巖的穩定性分析開辟了一條新的途徑。
  11. Abstract : this paper gives the fe simulating analysis of the effect on road construction in the process of mine open - cut, analysis and evaluates stability of road foundation during many rock material steps excavation, concludes that the different conditions, for example, the rock caves, steps and the dis tance between the steps and road have influence on the road foundation stability

    文摘:針對礦山在地下開采轉為露天開采過程中，原地采區域在露天采場臺階開挖過程中對露天采場公路建設及運營的影響，進行了數值模擬分析，並對通過各種巖體介質的露天采場公路路基在臺階開挖和汽車運營過程中的穩定性進行了分析評價，得出了在不同條件下，如空洞地區、臺階材料介質、材料界面、開挖臺階與公路距離等對路基穩定性影響的評價。
  12. Abstract : in order to provide the reasonable parameters in the reliability analysis of tunnel structure and the criterion in the quality control of tunnel engineering, in this paper, the over - under - excavated values of the real - state outline of tunnel excavation are obtained by the near - field photographic method. by using mathematical statistic method, the figure features and probability distributions of the over - under - excavated values of the surrounding rock, including deferent positions of same cross section, are analyzed

    文摘:採用近景攝影的方法，從隧道開挖毛洞中獲取圍巖超欠挖數據，通過數理統計的方法，分析各類圍巖超欠挖的數字特徵及概率分佈，同時得出各類圍巖超欠挖在隧道斷面不同部位的分佈規律，為隧道結構的可靠度研究提供可靠參數，也為隧道工程質量控制提供基準
  13. The key factors to make the slide is controlled to make the model be similar in geometry, material and fabric with the antetype, then simulate the infection of river, digging of road and so on, measure the data of the distortion of model, analyze the reason of the distortion and factors of the slide

    試驗抓住造成滑坡的主要因素，根據所得的巖石力學參數及結構面參數，在幾何條件、模型材料、結構面條件等方面都基本滿足相似原理的情況下，對模型進行了河流下切、公路開挖等條件的模擬，測量觀察邊坡的卸荷回彈與層面的彎曲變形情況，利用所側數據分析論證滑坡的形成機制和影響因素。
  14. Water conservacy and hydroelectric projects being programmed or constructed in incised river valley of southwest and northwest of china all relate to weathered and unloaded rockmass. it is very important and significant to study weathering and unloading for engineering design, parameter value choosing, rockmass quality classificatioarockmass excavation, foundation plane choosing, even project running. the dissertation is based on granite rockmass in laxiwa hydroelectric station damsite, yellow river

    規劃中或正在建設的西南、西北深切河谷區水利水電工程均涉及到巖體風化、卸荷問題，而研究巖體風化、卸荷對于工程設計、參數取值、巖體質量分級、巖體開挖、建基面選取乃至未來工程運行等具有重要意義。
  15. 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採取的措施和方法。
  16. The results show that ( 1 ) the unconsolidated confined aquifer plays a crucial role in load transfer because of its fluidity and replenishment in time, making the loads of overburden soil evenly transfer into the bedrock through the unconsolidated confined aquifer and the load keep constant during the excavation process ; ( 2 ) under the condition without unconsolidated confined aquifer, the load on the bedrock will be reduced sharply during the excavation

    研究結果表明：鬆散承壓含水層條件下，由於承壓水的流動性和補給作用，上覆表土層的載荷通過鬆散承壓含水層均勻地作用於下部基巖上，開挖過程中基巖頂界面上的載荷基本保持恆定，鬆散承壓含水層起到均勻傳遞載荷的作用；無鬆散承壓含水層時，作用在基巖頂界面上的表土層載荷隨煤層開挖而顯著降低。
  17. By comparing the stability characters of rock after excavated, the best stable section shape is found. 3. the security of lining is compared by load - structure model which is used in tunnel design

    並對7種方案和標準圖方案進行了隧道全斷面開挖后圍巖穩定性比較，從中找出隧道開挖后對圍巖穩定最有利的斷面形式。
  18. Combining longshou waterpower station project the mechanism of rock excavation explosion and production test method are studied more completely

    本文結合龍首水電站工程，較全面地研究了巖石開挖爆破的機理及生產試驗的方法。
  19. If the ratio of joint length divided by joint spacing is less than 10, the rock mass is likely connected

    塊體理論限於研究巖石開挖表面上的可移動塊體。
  20. On the basis of model test, a better construction method under pre - prop for the surrounding rock i, ii, iii, named whole section excavation with heading in moderate degree and that with center heading and center partition first, then with two sides heading, is put forward

    在模型試驗的基礎上，提出了、 、類圍巖隧道在預支護下的優化施工方法，即下導洞適度超前全斷面開挖與先行中導洞及中隔墻、其次兩側下導洞適度超前全斷面開挖。
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