excavation step 中文意思是什麼

excavation step 解釋
開挖步驟
  • 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。
  • step : vi （ pp ）1 走；跨步。2 踩，踏上 （on）。3 跳舞，輕快地走，合著步調走。4 跨入，踏進。5 走上。vt ...
  1. The design of excavation controlled by strength has switched to the one controlled by deformation step by step in crowded cities

    在擁擠的城市裡，基坑開挖設計已逐步由強度控制轉向變形控制。
  2. In the simulation and analysis on culvert construction, the method of foundation - pit excavation layer by layer and step by step was used, i. e. the method that makes the surface of excavation have no stress, when the elements were excavated gradually in period of construction. at this process, the state of soil is unloading, the laws of stress field and displacement field with the depth of excavation were studied. based on the obtained stress field and displacement field after the excavation was completed, by using of the newly increased filling - elements " gravity and the grinding force, the simulation of the construction of body of the culvert and foundation - pit ' s filling layer by layer had also been done in this dissertation

    用有限元法模擬分析涵洞基坑開挖時，採用分層、分步模擬開挖過程的方法，即將計算域內單元分層「挖去」 ，使開挖表面成為無應力表面的方法，分析土體在卸載狀態時的應力場和位移場隨開挖深度的變化規律；在洞體施工后，回填土體時，據開挖完成時的應力場、位移場，通過逐級增加計算域內的單元數目，施加每級新增加單元的自重荷載，利用有限元法模擬基坑及上覆土體分層填築的施工過程，這不僅反映土體處于再加載應力狀態時，填土受力及變形的一般規律，而且這種將地基? ?涵洞? ?土體作為一個統一整體進行模擬的方法，量化了三者之間的相互作用關系。
  3. The characteristics of stress and displacement in tunnel surrounding rocks are studied. the change feature of the stress in surrounding rocks and the variations of stress and the displacement of prop structure in different excavation step are analyzed with 3 dimensional fem. finally, the construction method is proved to be reasonable and scientific

    通過三維有限元計算研究了隧道圍巖的應力、位移特徵，分析了隧道圍巖不同開挖時步的應力變化特點以及支護結構的應力與位移的變化特徵，進而論證了該施工方法的合理性和科學性。
  4. Based on analysis of the characteristics of the composite soil nailed wall, simulating the soil nail, concrete layer, deep mixing pile and step excavation, a model is established to calculate the deformation of the wall, compiled simple and applied program of one dimension fem ; according to the field test data and the calculated data by the fem software this paper has developed, the design method and deformation of the wall in xi ' an area is discussed. the shape of destructive sliding surface of the wall in loess strata in xi ' an area with deep groundwater is gotten. finally the lateral deformation distribution and the experiential formula to predict maximal horizontal displacement of the composite soil nailed wall are given

    針對復合土釘墻構造的特點，建立了模擬復合土釘墻受力變形的一種計算模型，該計算模型可對土釘、面層、深層攪拌樁以及分層開挖等進行簡化模擬；編寫了簡單實用的桿系有限元程序；結合工程實測資料及有限元法分析的結果，探討了西安地區的土釘設計以及復合土釘墻的變形規律，得出了西安地區一般黃土在無地下水時的破壞滑動面形狀，復合土釘墻的側向變形曲線以及計算復合土釘墻最大水平位移的經驗公式。
  5. Research on multi - step prediction of deep excavation deformation based on recurrent neural network

    神經網路的深基坑變形實時預報方法研究
  6. Physical model test and study on shaft excavation by one - step deep - hole blasting

    一次爆破成井物理模型試驗研究
  7. Numerical simulation on cutting mode of shaft excavation by one - step deep - hole blasting in hard rock

    堅硬巖石一次爆破成井掏槽方式的數值模擬研究
  8. 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。
  9. Secondly, another 2d - fem analysis is made on a practical engineering of foundation pit excavation supported by soil - nailed system. then the different distributions of tensile stress, shear stress, plastic failure zone and horizontal displacement obtained by analysis for non - supporting and soil - nailed supporting step - by - step excavation are compared with each other. some conclusions about mechanism of soil - nailed supporting system are reached from above comparisons

    在計算方法與本構模型研究中，重點對ansys中基於drucker - prager彈塑性本構模型的巖土體d - p材料作了分析，指出了此材料沒有對拉應力限制的缺陷並提出在計算過程中必須密切注意拉應力的大小及分佈；同時提出了基坑分步開挖與支護的數值模擬過程。
  10. In this article, geotechnical engineering numerical analysis program flac4. 0 is used, working mechanism and main influential factor of composite soil nailing system with step excavation was calculated in detailed, contain distribution and influential factors of axial force and the max axial force in soil nails ; the variation of axial force in anchors ; the variation and influential factor of foundation pit horizontal displacement, ground surface settlement, ground surface horizontal displacement and rebound deformation

    本文採用巖土工程數值分析軟體flac4 . 0 ，對樁錨復合土釘支護在分步開挖下的工作性能和主要影響因素進行了詳細的計算，分析了土釘軸力和最大軸力的分佈規律、影響因素;錨桿軸力的變化規律;基坑水平位移、地表沉降、地表水平位移和坑底隆起的變化規律以及影響因素的敏感程度。
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