ground friction 中文意思是什麼

ground friction 解釋
地面摩擦
  • ground : adj 碾碎了的,磨過的,磨成粉的。 ground and polished piston 【機械工程】研磨活塞。n 1 地,地面;...
  • friction : n. 1. 摩擦,阻力。2. 傾軋,沖突,不和 (between)。3. 擦熱皮膚。
  1. In this paper, using the program ( epagpll ), the bored testing pile group of the chinese architecture science and research institute at luokou area are analysised. the comparisons among analytical results of four constitutive models of soil are made, and the deformation of piles and soil, the soil resistance of the piles, the friction beneath cap, the aclinic displacement of the ground soil before piles and the failure pattern of pile group are discussed in detail

    本文利用所編的程序,對上海地區豎向荷載作用下的單樁的流變效應進行了分析,並通過樁體位移?時間關系曲線,確定軟土地基上豎直受力樁的承載力,分析了豎直受力樁的最終沉降量的大小,並結合《上海地區地基基礎》地方規范就程序計算結果進行了對比。
  2. In this paper, a numerical simulation is conducted, which is based on the test data of the model experiment of sloping ground with the help of the marc program. when the bearing capacity characters of level ground and the foundations adjacent to or above slopes are analyzed, the effect is considered, which includes deformation moduli, density, poisson ratio, angle of internal friction, stress - strain relationship, slope angle, relative distance from the edge of slopes and relative depth of footings

    本文利用斜坡地基模型試驗的試驗數據,用marc軟體進行了斜坡地基模型試驗的數值模擬,分析了平地地基、臨坡地基和斜坡地基的承載力特性,研究了變形模量、容重、泊松比、內摩擦角、應力應變特性、斜坡坡度、基礎的相對坡頂距及其相對埋深等因素對斜坡地基承載力性能的影響。
  3. When the width of the foundation is smaller, the friction force is firstly increased from zero at the central area of the foundation, then decreased to zero at the edges of the foundation, hence there is a peak ; when the width of the foundation and the thickness of the soft ground is larger, the frication force is almost zero from the central area of the foundation to a certain distance, then increased, at last decreased to zero at the edges of the foundation, therefore there is a peak ; and when the width of the foundation is larger and the thickness of the soft ground is smaller, the friction force is firstly increased from zero at the central area of the foundation in the negative direction, then decreased to zero, so there is a negative peak, then increases in the positive direction, eventually decreased to zero at the edges of the foundation, hence there is a positive peak

    當基礎寬度較小時,從中心線為零處開始增加,達到峰值后,開始減小,直至基底邊緣處為零;當基礎寬度和軟土地基厚度較大時,從中心線處開始,向外側延伸一定距離,幾乎為零,然後開始增加,達到峰值后,開始減小,直至基底邊緣處為零;當基礎寬度較大,並且軟土地基厚度較小時,從中心線為零處開始反向增加,達到反向峰值后,然後反向減小,減小到零后,逐漸正向增加,達到峰值后,再逐漸減小,直至基底邊緣處為零。
  4. In this paper, based on the static - load tests of tension piles in soft ground lying on the province of zhejiang such as zhongshan garden, gongchen bridge canal piazza, etc, the calculations of ascending displacement, developing mechanism of the side friction and utmost bearing capacity of the tension piles are studied

    本文以中山花園、拱宸橋運河廣場等浙江軟土地區抗拔樁靜載試驗為背景,對抗拔樁抗拔承載力計算、上拔量計算、抗拔樁側阻發展機理進行了分析研究。
  5. Today, cast - in - situ piles are more widely used in deep foundation engineering because of their many advantages, such as better adaptability to various ground condition, providing enormous bearing capacity by a single pile and smaller dosage of reinforcing steel bar. but, their own disadvantages, such as sediment under tip, clay slurry around pile, friction and tip resistance disagreement and initial ground stress freeing, limited their bearing capacity, lowered the utilization ratio of material and increased the settlement

    灌注樁,因其對地層適應性強、能提供較大的單樁承載力、鋼筋用量少等優點,在目前深基礎工程中得到了極為廣泛的應用。但是,灌注樁的固有缺陷,諸如孔底虛土;孔壁泥漿;端阻、側阻發揮不同步;鉆孔后原地應力釋放等,限制了其承載力的發揮,使得材料利用率不高,沉降較大。
  6. In this paper, it also analyses the disadvantages of methods in present pavement specification. by means of parallel field test experimentation, and gives the correlativities between test methods of specification and new pattern test methods, such as road surface profiler, ground penetrate rada test system, friction test vehicle, falling weight deflectometer. based on these correlativities, their test and quality control standards are formed

    本文還分析了路面現行檢測方法存在的問題,通過現場不同方法的對比檢測,建立了激光平整度測試車、探地雷達測試系統、摩擦系數測試車和落錘式彎沉儀( fwd )等新型檢測方法和規范測試方法間的相關關系,從而提出新型檢測的質量控制標準。
  7. In the paper, the principle and the schemes to be selected of ground treatment have been discussed firstly. especially when the self - settlement of soil layer has not been eliminated entirely through dynamic compaction in shallow soil layer, the friction force will appear around piles. the calculating method of negative force has been discussed, too

    首先,本文論述了地基處理的原則及地基處理方案的選取,特別是在採用淺層強夯未能完全消除土層自重濕陷性的情況下,樁基存在不可忽略的負摩阻力,那麼,計算樁基負摩阻力時,不僅應計入濕陷性土層所產生的負摩阻力值,也應計入其上的非濕陷性土層因失去支托而產生的負摩阻力值。
  8. The cfg pile compound ground negative friction studies

    樁復合地基負摩阻力的研究
  9. In order to avoid damage the surround of the prestressed steel by friction with the ground when steel piling up, the drawing drum shall be made for the steel use and it is required to most possibly avoiding its friction with ground

    回答:為避免堆放時預應力筋與地面摩擦而損壞包裹層,應製作放線盤放料,沿下料方向應盡量減少與地面接觸。
  10. Therefore, tension tests of geogrids, pull - out tests between geogrids and expansive soils or sands, the related geotechical tests of soil " s properties, and model tests of soft ground improvement, were carried out for obtaining the engineering properties, quality index of geogrids, interaction parameters of friction characteristics between reinforcement and soils, and the affecting degree of factors influencing the lateral displacement ( pile ) rate during the construction of embankment filling with ( residual ) settlement considered restrictively

    本文以國內外大量研究成果為基礎,集中力量開展控制變形的特種土作填料的物理改良技術和加筋墊層在控制沉降軟基處理的作用研究,其核心是筋土界面相互作用關系。為此,進行了為確定土工格柵工程特性和尋找質量控制指標的拉伸試驗、筋土界面設計參數合理獲取的拉拔試驗及其配套土工試驗、軟基上路堤填築過程中坡腳的側向位移及其速率的影響因素的室內模擬試驗。
  11. The influence of cross - correlations among three pairs of soil parameters on the reliability of reinforced retaining wall under various destructive models is discussed in this chapter. the three pairs of soil parameters are ( 1 ) the cohesion and friction angle, ( 2 ) the friction coefficient between fill and geotexile, and friction angle, and ( 3 ) the friction coefficient between fill and ground, and friction angle. the decision making of the reinforced retaining wall is carried on based on reliability theory by taking the minimum cost as the target

    第四章對加筋土擋墻可靠性分析中有關參數的概率特性進行分析,以某加筋土擋墻為例,採用一次二階矩法對筋材抗拉、抗拔,擋墻整體抗傾、抗滑和地基承載力進行可靠性分析,並對兩種加筋方案情況下加筋土擋墻的可靠性進行分析比較;進行土性參數對可靠指標的敏感性分析;分析三對土性參數的互相關性,即土的粘聚力和內摩擦角、填土與筋材的摩擦系數和填土內摩擦角、填土與地基的摩擦系數和填土內摩擦角之間的互相關性對加筋土擋墻不同破壞模式可靠指標的影響。
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