excavation effect 中文意思是什麼

excavation effect 解釋
挖掘效應
  • excavation : n. 1. 開鑿;發掘;挖掘;挖土,剜通。2. 穴,洞;坑道,開鑿成的山路。3. 【考古】出土文物,發掘物。
  • effect : n 1 結果。2 效能,效果,效力,效應,作用,功效;影響。3 感觸,印象;外觀,現象。4 旨趣,意義。5 ...
  1. Through tracing the change of the stress on the horizontal and slantwise paths, the influence and scopes of the excavation effect on the inside stress field of the slope are put forward

    通過對水平和傾斜路徑的應力追蹤,提出了開挖效應對邊坡內部應力場的影響程度和范圍。
  2. Secondly, this paper made some theoretic researches on its engineering classfication and applicable scope for this technology ; then combining with project example, this paper carried out scheme design for this technology, and compared some different kinds of underpinning scheme and node and structure design, and put forward the method of " reinforcce steel bar through column " to build pile cap beam, " resistant bend and shear anchored reinforce steel bar " to strengthen column consolidation effect, and the method of " steel plate hoop " to build reinforcing bar connection of the foundation beam, etc. in the process of the consturction scheme research and implement, this paper synthetically elaborated the organizaton for project construction, put forward the construction technical measure of specific aim on the artificial pile, and pile cap beam, and underground adding layer and structure stabilization, and overall structure stabilization and so on. for this project, adopt reinforcing bar concrete to brace hole wall to ensure the safety of engineering in the artificial pile construction, use flexible connection catch to make the cage hoisting easier to simplify the construction process, use the method of earthwork statified symmetrical balance in the process of underground adding layer excavation

    本文首先對于基礎托換與結構加固技術的目的和意義、國內外發展狀況進行了綜合闡述;其次對該項技術工程分類及適應范圍進行了理論上的分析研究;然後結合工程實例對該項技術進行了方案設計,對比幾種不同的托換方案和節點及構造設計,提出了「通筋穿柱法」做承臺梁, 「抗彎抗剪錨筋法」強化柱加固效果, 「鋼板箍法」做地基梁鋼筋連接點等多項技術;在施工方案的研究和實施過程中,對于工程施工組織進行綜合闡述,並就人工挖孔樁、承臺梁、地下加層及結構加固、整體結構穩定等專項施工方案提出有針對性的施工技術措施,人工挖孔樁施工採用鋼筋砼護壁確保挖孔樁的安全成型,使用柔性連接鉤進行鋼筋籠吊裝簡化施工工序;承臺梁施工採用梁主筋橫穿柱身化學膠錨固等;地下加層綜合施工技術採用土方分層對稱平衡開挖,分段挖土做筏基結構自穩等;最後對于該工程實施后的效果分析,說明該項綜合施工技術的可行性。
  3. Initial research into effect of confined aquifer on slope stability of excavation

    初探承壓含水層對基坑邊坡穩定性的影響
  4. Underground engineering excavation will disturb strata and causes ground settlement. it is significant to study ground settlement caused by underground engineering excavation and to reduce adverse effect on existent facility

    研究城市地下工程開挖引起的地表移動和變形,對于減少開挖對地表和地下已有設施的不良影響,對于保護地表環境具有十分重要的意義。
  5. By direct shear for and normal triaxial shear tests of non - saturated desert sand, the parper studied the effect of water content and dry density on the strength of the non - saturated desert sand, and set up the code of this sand. based on the plane strain test of non - saturated desert sand slope, the paper analysed the destruction way of the excavaion side during the construction by means of adding water, and brough forward a formule that calculates the allowable of excavation and pile hole

    通過非飽和沙漠砂直剪試驗和常規三軸剪切試驗,研究了含水量和干密度對非飽和砂強度的影響,建立了這種砂的強度準則。通過非飽和沙漠砂邊坡室內平面應變試驗,分析了沙漠井場浸法施工中就基坑壁的破壞方式,推導出了基坑和樁孔容許開挖深度的計算公式。
  6. Combined witch the technical parameters in construction, this article mainly discusses the excavation method of deep end well of subway station, the " time - space effect " principle and the support system in case of complicated large span foundation

    根據「時空效應」原理制定的放坡、開挖單元及支撐架設的技術參數,對安全快速地完成大跨度端頭井深基坑的開挖起到了決定性的作用。
  7. In this paper, the existing problems in bracing structure of deep foundation pit are discussed from three sides - estimating the earth and water pressure, the influence of ground water on excavation engineering, and time - space effect and deformation control in the excavation engineering

    從土水壓力的計算、地下水對基坑工程的影響、基坑工程的時空效應與變形控制三方面,對深基坑支護工程中存在的問題進行了論述
  8. A deep foundation pit engineering in shanghai is adopted as an example. the factors of design, construction and nature environment on effect of internal force and deformation for a retaining structure are studied in detail through the example. these factors include the rigidity of retaining wall, rigidity and site of support rod, space - time effect of pit excavation, water environment of foundation pit etc. some useful conclusions of controlling deformation of foundation pit are obtained through the study

    以上海某深基坑為工程原型,利用有限元程序,詳細探討了支護墻剛度、支撐剛度及位置、基坑開挖的時空效應、基坑周圍水環境等設計、施工和自然環境因素對支護結構內力和變形的影響,提出了一些控制基坑變形的方法措施,為深基坑工程的設計和施工提供了依據。
  9. Combining achievements in past scientific research, this thesis summarizes some problems in the process of decreasing water, the problems contains : important parameters such as percolation coefficient, interfering radius etc ; designers get parameters from their experience and make their choice of limited prospecting materials too simply, because of the limits, designer ca n ' t make quantitative analysis on groundwater ; differences on breakwater effect of setting water - tight screen is still existed, although research evolvement in this field is done ; they ca n ' t grasp the hydrogeology parameters accurately in that it influences rightness of designing in deep excavation water - decreasing

    本文結合以往的研究成果,總結了降水過程中存在的一些問題,主要包括:重要設計參數,如地層滲透性、基坑降水影響半徑等,設計中僅從個人經驗出發取值,對有限的勘探資料進行取捨和過分地簡化。這些局限使設計者不能對地下水進行科學的定量分析,盲目性較大;深基坑降低承壓水引起的周邊地面沉降的研究雖已取得很大的進展,但是一些主要問題仍未解決,對防滲帷幕的實際擋水效果存在不同看法;對於弱透水層的水文地質參數一直難以準確把握,影響了深基坑降水設計的正確性。
  10. For the construction of single - arch tunnel within cracked surrounding rocks, 8 tunnel models are set up to study the effect of the earth pressure distribution of the various surrounding rocks due to excavation. the relationships between the loosen zone of tunnel radial earth pressure and the tunnel diameter, the characteristics of surrounding rocks and the exposed time are revealed. it is showed that the pressure loosen radius is 1. 2 ~ 2. 0 tunnel diameters and the strongly loosen radius drops to 0. 5 ~ 1. 0 one for double lane tunnel

    對于單拱破碎圍巖隧道的構築問題,作者設置了8個隧道模型,研究開挖對不同隧道圍巖壓力分佈的影響,揭示了洞周徑向壓力的鬆弛范圍與洞徑、圍巖特性、裸露時間的關系,得到雙車道隧道壓力鬆弛半徑為1 . 2 2 . 0倍洞徑,強烈鬆弛區半徑為0 . 5 1 . 0倍洞徑。
  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. Based on the available rule of variation in undrained shear strength during excavation, and the basic idea of the merchant model, this paper presents a constitutive relationship for saturated cohesive soils, capable of taking into account both stress path and time - dependent effect. it ' s named by the author as modified merchant model

    本文根據前人基坑開挖前後土的不排水抗剪強度變化規律的研究結果,並結合merchant模型的思想,提出了能同時考慮開挖應力路徑和應力應變隨時間變化的飽和粘土應力應變關系,亦可稱之為修正merchant模型。
  13. Experimental study on seismic effect of blasting vibration from excavation of tunnels with small interval

    近間距隧道爆破地震效應的試驗研究
  14. Discussions on the environmental effect due to deep excavation are also included in this paper

    最後,對深基坑開挖引起的環境問題進行探討,並提出了基坑開挖的環境保護措施。
  15. Secondly, in view of the limitation and shortage of traditional simulation of finite element approaches for bolt, a new composite grouted bolt element including nonlinear contacting relation will be built based on the above study of the mechanics mechanism of fully grouted bolt. then, an elastic - plastic finite element program will be developed for the analyses of tunnel stability, in which the composite grouted bolt element and nonlinear finite element analysis method will be used ; the patterns and the affect of main design parameters on the support effect of bolt will be analysed using the program, and conclusions of guidance importance for tunnel support design will be drawn. finally, simulation compution for the excavation and support of a highway tunnel will be made out using the above production, and the method of application of the program will be discussed ; analysis of the deformation, stress and distribution of plastic range will be done, and rational support plan will be worked out, which is of guidance importance for tunnel support design and the thery and technique of fully grouted bolt used in tunneling will be perfected further

    首先,本文在綜合分析隧道穩定性影響因素及失穩破壞模式的基礎上,對全長粘結式砂漿錨桿作用力學機理進行了深入研究,為全長粘結式砂漿錨桿的有限元模擬分析奠定了基礎;其次,針對傳統錨桿有限元模擬方法的局限性與不足,在上述全長粘結式砂漿錨桿作用力學機理研究基礎上,建立出能反映界面非線性粘結的新型復合砂漿錨桿有限單元模型;然後,運用上述復合砂漿錨桿單元模型,引進非線性有限元分析手段,開發了隧道支護穩定性分析的有限元程序,並就全長粘結式砂漿錨桿的型式與設計參數對支護效果的影響進行了深入探討,得到了對隧道支護設計具有指導意義的結論;最後,運用本文研究成果對某公路隧道工程實例進行了開挖與支護的模擬計算,探討了其應用方法,並就隧道變形與應力及塑性區分佈規律進行了分析,從而提出了合理的支護方案,為隧道支護設計提供了參考依據,完善了隧道全長粘結式砂漿錨桿支護的理論與方法。
  16. ( 5 ) selecting rock mass quality, excavation effect, multi - cavern effect and induced hazard effect as indexes, the stability classification scheme of rock mass surrounding large scale underground caverns was established. at last the stability of the surrounding rock mass of the main chamber of laxiwa project was evaluated with this scheme

    選取巖體質量、開挖效應、群洞效應以及次生災害效應作為指標,建立了「大型地下洞室群圍巖穩定性分類」方案;運用該方案對拉西瓦水電站主廠房洞室進行了穩定性評價。
  17. Calculated method of passive earth pressure in deep pit engineering considering excavation effect

    考慮開挖效應的基坑被動土壓力計算
  18. Based on the large finite element software, the excavation effect on rock slope with the representative physical and mechanical characteristic is analyzed in this paper

    論文基於大型有限元軟體,對具有代表性物理力學特徵的巖質邊坡進行了開挖效應的有限元模擬。
  19. The plane fem model analyzes the behaviors of deep excavation, and the step - excavation effect during excavation is studied such as the horizontal displacement of the retaining wall, ground settlement and the forces in struts

    利用平面有限元模型對深基坑工程的開挖性狀進行了分析,研究了開挖過程中圍護結構的水平位移、墻後土體的地表沉降、支撐力等的分步開挖效應。
  20. Under these circumstances, the underground caverns with characteristics of large scale and complex spatial arrangement are located close in finite underground space. thus the excavation effect and the interaction among different caverns during the process of underground projects construction are needed to be studied thoroughly which affect the cost of construction and production of power station

    規模龐大、空間組成復雜的洞室群布置在有限的地下空間內,其開挖效應以及不同洞室之間的相互影響,將關繫到整個水電站工程的建設成本和運營效益,因此是一個值得深入研究的問題。
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