pile shaft 中文意思是什麼

pile shaft 解釋
椿身
  • pile : n 1 軟毛,絨毛;毛茸。2 (布、絨的)軟面。vt 使起絨。adj d 有絨毛的。n 痔瘡;〈pl 〉痔。 blind pi...
  • shaft : n 1 箭;箭桿。2 (槍、槌、斧等的)柄;矛。3 【植物;植物學】稈;莖;柄。4 【動物;動物學】羽軸;...
  1. Directed against the problem on confirming vertical bearing capacity of large diameter cast - in - place pile in the west of coteau area of yunnan province, the paper, analyses the influence degree of the variety of soil physics and mechanics property in area geology condition on bearing capacity of pile foundation, through 5 piles " loading test ; the influence degree of construction technics on bearing capacity of pile foundation under the influence of every exterior factors ; the influence degree of grouting injection around the pile shaft on bearing capacity of pile foundation

    本文針對滇西山區大直徑灌注樁豎向承載力確定存在的問題,進行了5根試樁的靜載荷試驗,分析了區域地質條件下土的物理、力學性質的變化對橋梁樁基承載力的影響程度;地下水對樁承載力的影響程度;各種外部因素影響下,樁的施工工藝對樁承載力的影響程度;通過在樁體周圍土中注漿對樁承載力的影響程度。
  2. Then, by using the great fem programme and the drucker - prager model, the thesis establishes the pile - soil model of super - long piles, analyzes the mechanism of bearing and deformation of super - long piles under vertical loading systemically, studies the characteristics of q - s curve, bottom resistance, pile shaft resistance and critical length of super - long piles in detail, acquires some practical guidance conclusion. secondly, with a practical engineering, the author expatiates the bearing characters of super - long piles farther. the thesis points that super - long piles are frictional piles under the condition of working loading

    然後應用大型有限元程序,採用土的drucker - prazer模型,建立了超長樁分析計算的樁土模型,系統分析了超長樁在豎向荷載作用下的承載機理和變形特性,研究了超長樁的荷載?沉降特性,端阻、側阻的發揮性狀以及超長樁的有效樁長,得出了具有實際指導意義的結論。
  3. To increase the strength of pile shaft of cement - mixed columns and wenzhou soft said, a kind of complex admixture pl1 was found by experiments. this new formula achieved the gools of increasing strength and saveing materials

    為了提高溫州軟土-水泥土樁的樁身強度,通過室內試驗,找到了適合溫州軟土的復合添加劑( pl1 ) ,達到增強節材的目的。
  4. In this section the author analyses the rules of the pile ultimate tip resistance and the shaft friction resistance distribution and their exertion of cast - in - place socketed piles instrumented with strainometers in soft muddy rock. the second aspect of the paper is the analysis on the current rock pile vertical bearing capacity in the four standards gb50007 - 2002, tb 10002. 5 - 99, jtj024 - 85 and jgj94 - 94, then the design method with correlated formula of socketed piles in xigeda - mudstone is given. at the end of this paper, based on the research of pressure grouting technique in recent years, and combined with in - site test result, this paper puts forward the design and calculation method to grouted pile in xigeda - mudstone and the principle of choosing grouting parameters, which provid es experiences for applying this technique and further studying

    本論文結合省級科研項目「西攀高速公路昔格達組泥巖層中鉆孔樁提高承載力的研究」 ,所做的研究工作主要在以下三個方面:一是根據8根樁身內埋設量測元件試樁的單樁豎向靜載荷試驗資料,分析了各試驗樁特別是常規沖孔灌注嵌巖樁在昔格達泥巖中的軸向力、側摩阻和樁端阻力的分佈和發揮規律;二是在討論現行規范對嵌巖樁承載力的計算公式的基礎上,探討了在昔格達泥巖層中的沖孔灌注嵌巖樁的側摩阻和端阻的計算方法,並推薦了相應的計算公式;最後,在吸取近年來對灌注樁后注漿技術研究成果的基礎上,結合現場試驗研究結果,分析了該項技術在昔格達巖層中的應用效果,提出了相應的參數選取,從而為壓力灌漿技術的工程應用和進一步研究提供經驗,並為今後在該地層中合理選用樁型以及指導施工提供了依據。
  5. Controlled blasting method applied to demolishing underground reinforced concrete pile shaft is presented according to specific circumstances of drilling machine and outside restraint, especially including attention of drilling, charging and initiating etc

    介紹了地下鋼筋混凝土樁體的控制爆破方法,以及在鉆孔設備及外界約束較特殊的情況下,鉆孔、裝藥及起爆等方面的注意事項。
  6. Abstract : controlled blasting method applied to demolishing underground reinforced concrete pile shaft is presented according to specific circumstances of drilling machine and outside restraint, especially including attention of drilling, charging and initiating etc

    文摘:介紹了地下鋼筋混凝土樁體的控制爆破方法,以及在鉆孔設備及外界約束較特殊的情況下,鉆孔、裝藥及起爆等方面的注意事項。
  7. Discussion on quality classification standard of pile shaft using reflected wave method

    反射波法評價樁身質量的分級標準商議
  8. Application of water infusion blasting to demolishing underground pile shaft

    水介質爆破拆除地下樁體的實踐
  9. It was shown that the position of neutral point of pile shaft varied with the consolidation of surrounding soil and the magnitude of pile - head load

    利用該模型分析了大面積堆載下,在樁頂作用大小不同的豎向荷載以及樁側土達到不同固結度時再施加樁頂荷載情況下,樁身摩阻力的發展變化規律。
  10. From the point of kinematics and dynamics, the author analyses the propagation rules of stress waves in concrete, namely time - space relations, wave amplitude attenuation, dispersion effect and characteristics of transmission of reflected waves and acoustic waves. combining with engineering practices, the author also concluded the main points of low strain detection of integrity of longdiameter underwater cast - in - situ piles, and pointed out that comprehensive and relational utilization of reflected waves method and acoustic wave transmission method can accurately evaluated the integrity of pile shaft and then improve the reliability of detection. 6figs., 3refs

    從運動學和動力學角度,分析應力波在混凝土中的傳播規律:時空關系、波幅衰減、頻散作用以及反射波與聲波透射的特點,結合工程實踐,總結大直徑水下灌注樁低應變檢測的工作要點,指出綜合、合理運用反射波法與聲波透射法,可以較準確地評價樁身完整性,提高檢測結果的可靠性.圖6 ,參3
  11. The bottom resistance and the shaft resistance exert asynchronously, so it is necessary to adopt different coefficient. the thesis also points that it is important to adopt pile end ( side ) grouting and tapered piles

    超長樁側阻和端阻的發揮是異步的,即使是同一土層,其埋深不同發揮程度也是不同的,在承載力的確定中對每一層土應採用不同的分項系數。
  12. Abstract : this paperpresents a matrix approach for calculating the pile settlement and shaft - load in layeredsoil

    文摘:提出了一種通過簡單的矩陣運算求算分層土單樁的沉降和軸力的計算方法。
  13. Secondly, considering the complexity of the analysis of inclined - loading pile, nonlinear finite element method is adopted to calculate the internal force and displacement of pile group under inclined loads, with the concept of equivalent width presented to simplify 3d problems into 2d problems. and a program is developed as well, which is able to consider the continuity, elastic - plasticity and layered characteristic of soil around the pile shaft. besides, the interactions among pile, base slab and soil are considered in this program and contact surface element is used to simulate slipping and crazing between pile and soil, or between base slab and soil under loads. then, the non - tension analysis is proposed, to reflect the low - tensile property of soil and concrete

    在此基礎上,針對傾斜荷載下群樁基礎分析中的復雜性,提出採用非線性有限元對傾斜荷載下群樁的內力及位移進行分析,應用樁的等效寬度概念將空間問題簡化為平面問題考慮,並開發出能考慮樁周土介質連續性、彈塑性、分層性等因素的傾斜荷載下群樁內力及位移分析的計算機程序,並在程序中考慮了樁、土、承臺的相互作用,提出了採用接觸面單元來考慮荷載作用下樁與土體及承臺與土體間的滑移、開裂;並在此基礎上,提出了傾斜荷載下群樁基礎的「無拉力」分析方法,可有效地反映土體及混凝土材料的低抗拉特性。
  14. To take an actual example, the triple pipe method has been adopted to consolidate the surrounding soil by rotary shot grouting pile and swaying shot diaphragm wall in the construction of vertical shaft and access drift of running tunnel from martyr ' s park to dong shan kou station in no. l line of guangzhou metro. it turns out that this method has met the double effect of both construction support and waterproof

    作為施工實例,在廣州地鐵一號線烈士陵園至東山口區間隧道的豎井及聯絡通道施工中,採用三重管法對周圍地層實施了旋噴樁和擺噴墻加固,達到了施工支護和防水止滲的雙重效果。
  15. The paper draws some valuable conclusions : the limited bearing capacity of manual excavation filling pile is much higher than the limited bearing capacity of machine drilled filling pile ; through grouting injection around the pile shaft, the pile bearing capacity can be effectively improved ; proportion of resistance force around the pile side in total load is much larger than that of pressure on the pile tip, and the intensity of resistance force around the pile side is 30 - 50kpa on average

    得出一些有價值的結論:人工挖孔灌注樁的極限承載力明顯高於鉆孔灌注樁的極限承載力;地下水位對樁基承載力有顯著影響;利用樁側注漿可有效提高樁的承載力;樁側摩阻力所佔總荷載的比例遠大於樁底壓力,樁側土的摩阻強度平均值為30 50kpa 。
  16. On the dynamic measure of phc tube piles and the influence of dipping deficiency of a pile shaft on the vertical load - bearing capacity

    管樁動測及樁身傾斜缺陷對豎立承載力的影響
  17. Application of pile tip bolt technology in testing the vertical bearing capacity of pile shaft

    樁底錨桿技術及其在基樁豎向承載力測試中的應用
  18. I. e., the effect of linear and nonlinear analysis, the gradient of pile, the length of pile stick - up, and the horizontal force on the stability of pile stick - up were studied in details. 2. based on the difference of deformation and failure mechanism for pile side soil and pile toe soil, soil mechanics theory, and results of laboratory experiments and field tests, hyperbolic model and ideal elastic - plastic model were proposed to describe the behavior of the soil adjacent to the pile shaft and the soil at the pile toe, respectively

    2 .根據土的非線性和非彈性特性以及室內與現場試驗結果,而且基於樁側土體與樁端土體在豎向荷載作用情況下的變形和破壞機理不同,提出應採用不同土體模型分別模擬樁側、樁端土體在打樁過程中所發揮的靜阻力,即:建立了樁側土體雙曲線模型,並推導了樁端土體理想彈塑性模型。
  19. 4. based on the above hyperbolic model for the shaft soil and the soil plug, 1 - d stress wave theory and smith method, a program of analysis driving pile ( adp ) was

    4 .基於上述模型,以一維應力波為基本理論編制出打樁分析程序adp ,並採用多項打樁工程實例進行驗證分析。
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