pit depth 中文意思是什麼

pit depth 解釋
底坑深度
  • pit : n 〈美國〉（桃、杏等的）核。vt （ tt ） 除去…的核。n 1 坑，凹地，凹處；【礦物】礦井；煤坑；【植物...
  • depth : n. 1. 深；深度。2. （色澤的）濃度；（聲音的）低沉；（感情等的）深厚，深沉，深刻。3. 進深。4. 〈常 pl. 〉深處；深淵，深海，海。5. 正中，當中。6. 深奧，奧妙。
  1. According to elastic mechanics theory and langrage equation, the first order shape function dynamic equation of tension weight of belt conveyor is derived, and the four series of experienced formulas is established, which provide theoretical instructions for determining the location of tension weight and the depth of concealed pit. 1fig., 2tabs., 5refs

    根據彈性理論和拉格朗日方程，導出了帶式輸送機平衡錘的一階模態動力學方程，求出了4組便於估算平衡錘振幅的經驗公式，該經驗公式為平衡錘的靜平衡位置及暗井深度的確定提供了理論指導.圖1 ，表2 ，參5
  2. Taking maluping mine, kaiyang phosphate ore zone as an example, change of mine water amount, its evolution process and law of correlated factors to crush into the pit due to ground surface crack with increases in mining depth, are descryibed

    摘要以開陽磷礦區馬路坪礦為例，描述其礦山隨著采礦深度的增加造成地表開裂變化及其礦坑水的水量變化和潰入礦坑的相關因素的演變過程和規律。
  3. The factors affecting the spatial effects of the deep foundation pit are researched in detail with the mutual deformation analysis method. these factors include the plane dimensions of pit, ring beam, middle beams, corner braces, embedded depth and brace stiffness. the results are compared with those of two - dimensional analysis, and their differences and adaptability are clarified

    此外，本文還利用共同變形分析方法，對影響深基坑空間效應的諸多因素（包括基坑的平面尺寸效應、圈樑和腰梁效應、角撐效應、樁身插入深度和支撐剛度等）進行了深入探討，並與目前常用的平面分析方法做了比較，指出了兩者的區別及其適用性。
  4. 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。
  5. Depth detection and analysis on the scour pit around the south spur dyke head of changxin island

    長興島南沿丁壩壩頭沖刷坑深度探析
  6. By reducing the permeability of soil at the bottom of pit and selecting optimal dewatering depth, the settlement of ground surface can be well controlled

    採用降低坑底土層滲透性的措施和選擇最佳的降水深度能有效地控制坑外地表的沉降。
  7. Effect of steel pit on the mechanical property was discussed in succession. numerical results show that exponential relation exists between the yield strength and depth of corrosion pit. the work in this part is the theoretical foundation on the study in modeling of constitutive behavior of the corroded concrete and rusty rebar

    基於微觀腐蝕機理分析了硫酸鹽介質對混凝土的膨脹性腐蝕作用，從理論上研究了由於膨脹作用引起混凝土內部產生的膨脹應力；討論了鋼筋表面銹蝕坑對鋼筋力學性能的影響，建立了鋼筋屈服強度與蝕坑深度之間的關系；為受腐蝕混凝土和銹蝕鋼筋本構關系的建立提供了一定的理論基礎。
  8. In this paper, author compare with shenzhen holiday plaza project ( be known as firstly deepest foundation pit, deepest excavation depth is 21m ), use combinative method for theory guidance, test study, simulation analysis, project application and information feedback, entirely and deeply study prestress anchor cable composite soil nail, and also make a pilot study for deformation of pile anchor composite soil nail

    本文以深圳假日廣場深基坑支護工程（號稱「深圳第一坑」 ，最深開挖21m ）為背景，採用了理論指導、試驗研究、模擬分析、工程應用和信息反饋相結合的方法，對預應力錨索復合土釘支護結構進行了全面深入的研究，對樁錨式復合土釘支護結構的變形進行了初步研究。
  9. Through an example of dewatering engineering at international stock exchange hotel in wuhan, calculating with program, and ensuring foundation pit draw down, the optimum unit value of depth of filter tube and stop water heavy curtain to make water drawdown minimum was got, and put forward a sort of method of thinking in optimizing design of foundation pit dewatering

    通過國際證券大廈降水工程實例，利用程序進行計算，在保證基坑降深的前提下，找出水頭降最低的止水帷幕的深度和濾水管長度的最佳組合值，為深基坑降水優化設計提供了一種思路。
  10. In order to calculate the wall ' s lateral displacement, several diagrams have been cited from a f. e. m results. the main factors have been accounted in these diagrams as below : the wall stiffness, the strut stifmess, the width of pit, the elastic modulus of soil, the depth of the underlying hard layer, the strut preloads and the factors of safety against basal heave

    為了計算擋墻的側向變形，本文引用一個有限元程序計算得出的圖表結果。這些結果考慮到了以下主要因素：擋墻剛度、支撐剛度、基坑的開挖寬度、土體的變形模量、坑底以下硬土層的位置、給支撐施加的預壓力的大小、抗隆起安全系數等。
  11. Research results show that foundation pit slope soil structure destroy characteristic is subgrade shear strain destroy, namely, it is gradually destroy. lateral displacement of retaining and protecting piles has relations with embed depth, load grade and strength index parameter. soil displacement and timbering pile displacement are in harmony with deformation

    研究結果表明，基坑邊坡土體具有地基整體剪切變形破壞的特點，系漸進破壞的過程；支護樁側向變形是樁嵌固深度、荷載大小、土體強度參數變量的函數；土體的位移和支護樁的位移滿足變形協調條件。
  12. This paper discusses the statistical rule of maximum corrosive pit depth and determination method of extremum estimation for local corrosion depth, and presents a practical example of calculation

    文章討論了管道最深點蝕孔深度的統計規律以及局部腐蝕深度最大極值估計值的確定方法，並給出了實際算例。
  13. Firstly, the basic character of the remote filed eddy current is simulated and analyzed in case of two - dimension axial symmetry which approves the existence of remote filed eddy current phenomenon ; the full circumferential defect model is investigated to approve the feasibility of using the rfec techniques to detect the position and depth of defect ; the pit corrosion 、 circumferential and axial crack models are simulated, and the defect character based on voltage plane polar plot and the changes of phase and amplitude are analyzed to supply the standard for defect reconfiguration

    首先，在二維軸對稱情況下模擬與分析了遠場渦流的基本特性，證實了遠場渦流現象的存在;對全周向缺陷的遠場渦流檢測進行了詳細研究，證實了遠場渦流檢測缺陷位置和深度的可行性;對點狀腐蝕、軸向與周向裂紋三種非軸對稱缺陷進行三維有限元模擬，利用相位差和幅值變化曲線與電壓平面極坐標圖對缺陷特徵進行分析，為缺陷形狀重構提供了依據。
  14. Abstract : taking a deep basal pit in wuhan as a case history, this article adopts the numerical simulation method ( finite element method ) to study the variation of pit excavation depth 、 anchor prestress 、 pile width and embeded depth of pile and their relationship with the horizontal deformation and displacement of the tiedjogglepile

    文摘:以武漢某深基坑為例，採用有限單元數值模擬方法，研究基坑開挖深度、錨桿預應力、樁體厚度、樁體嵌入深度的變化與其錨式連鎖灌注排樁支護結構水平變形位移的關系。
  15. Owing to large difference of foundation pit depth in different zones, neighbouring metro line no. 1 and no. 2, existing wind wells and underground lane, etc., the monitoring project was prepared in detail to make construction of foundation pits be informationized, thus the full data were obtained

    由於該基坑平面不同位置深度差異大、緊鄰地鐵一號線與地鐵二號線以及已有車站風井、地下通道等地下構築物，且地處商業繁華地帶。
  16. In this paper, scale models are used to study local scour around bridge piers and abutments, and the scour pit pattern and maximum scour depth, which may serve as a reference for engineering design, are given

    採用系列模型試驗方法，對具體工程大型橋墩在水流和波流共同作用下的局部沖刷分別進行研究，提出了沖刷坑形態和最大沖刷深度，供工程設計參考。
  17. It was shown that the measured active soil pressures were smaller than the theoretical values and diminished with time, the measured pore water pressure decreased with the time and increased with the depth of soil, the combinative effects of cap girder and supporting structure were obvious which diminished the displacement of foundation pits, and the measured axial force of the anchor and interior steel beam were far less than the design force, indicating that the design safety factor of the foundation pit was too large to be economical

    基坑工程實行信息化施工並獲得了豐富的監測數據，通過對數據分析結果表明：實測主動土壓力小於計算主動土壓力，實測主動土壓力隨時間延長變小：土體中孔隙水壓力隨時間增長而減小，孔隙水壓力隨深度增加而呈非線性增加；基坑冠梁協同作用明顯，冠梁減小了基坑變形；錨索軸力比較穩定，鋼撐軸力變化相對較大，且二者軸力仍富餘較大，該設計比較安全。
  18. Based on the local scouring test of the dike ' s head under the action of clear tidal currents, of both tidal currents and waves, and of both muddy tidal currents and waves, variations of the scoured pit ' s depth at each dike ' s head with time, and the scoured pit ' s depths with three experimental conditions are compared

    進行了清水潮流和潮流波浪、渾水潮流波浪作用下的4條丁壩壩頭沖刷試驗，給出了各丁壩壩頭沖刷坑深度隨時間的變化，對比了3種試驗條件下丁壩壩頭沖刷坑的深度。
  19. In this paper, some present experimental methods of shear strength parameters are briefly described and the shortcomings of them are pointed out. then in order to obtain the right shear strength parameters for design of deep pit excavation, the author did a lot of normal tri - axial cu experiments and tri - axial cu tests that can simulate the actual process of excavation using soil sample of different depth

    本論文首先介紹了現有一些確定土體抗剪強度指標的方法及其適用范圍並指出不足，然後從正確確定適合基坑設計中土體抗剪強度指標的角度出發，對不同深度下各層土體分別進行常規三軸固結不排水試驗和模擬深基坑開挖過程應力路徑的固結不排水卸荷試驗。
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