置換率 的英文怎麼說

中文拼音 [zhìhuàn]
置換率 英文
displacement ratio
  • : 動詞1. (擱; 放) place; put; lay 2. (設立; 布置) set up; establish; arrange; fix up 3. (購置) buy; purchase
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • : 率名詞(比值) rate; ratio; proportion
  • 置換 : displace; substitute; supersede; substitution; replacement; permutation; transposition; transposi...
  1. Firstly, gravel piles in soil were laid for compacting and consolidating soil, then gravel composite foundation was treated with dynamic compaction in order to form three - level soil that is gravel composite soil and high replacement ratio composite foundation and dense composite foundation

    該法先在填土層中設好碎石樁體,利用擠密和排水固結的作用使其得到初步加固,然後對荷載影響深度范圍內的復合土體進行低能強夯處理,迫使樁體碎石沿徑向擴散,形成上部為密實的碎石二合土層、中部為擴徑后高置換率復合地基、下部為整體夯密復合地基的三層結構。
  2. The moisture buffering effect of this layer depends very much on the air exchange rate and also on the ratio of the surface area of the buffer to the volume of the room

    濕緩沖效果依賴于空氣置換率和房間內多孔緩沖材料的表面積和空間的比
  3. Based on the fem analysis and load tests in site, some performances of composite foundation are studied. in this research how the length of pile, the rigidity of pile and area replacement ratio of composite foundation affect the stress in the pile, the siding friction transfer law of pile and the deforming characteristics and bearing capacity of the entire foundation is studied

    在進行復合地基性狀的研究中,通過建立不同的有限元模型,研究樁長、樁體剛度、面積置換率對均質地基復合地基樁身應力、樁身側摩阻力傳遞規律、變形特性和承載力的影響。
  4. The peak acceleration and the peak shear stress in superstructures increase with the increment of replacement ratio. parameters of softening model are obtained through seismic settlement tests of composite cemented clay samples and relative curves are plotted considering different replacement ratio

    通過復合試樣的震陷試驗,採用軟化模型的概念,得到了該模型有限元計算的有關參數,將這些參數和置換率的關系繪製成曲線並且給出了擬合公式。
  5. Associating example, the influence factors of the stress ratio of pile and soil are discussed, especially the replacement rate, the modular ratio of pile and soil, deformation modular of gravel pile, reyleigh wave velocity of soil between piles are given more effort

    文章結合實例對樁土應力比的影響因素進行了討論,並重點分析了置換率、樁土模量比、碎石樁變形模量、樁間土瑞雷波速對樁土應力比的影響。
  6. And then, using the ansys program and predigesting the pile - balsa foundation to plane strain problem, some main parameters ( foundation stiffness, pile soil module ratio, replacement ratio, etc ) were calculated to analyze the influence to stress field and deformation field in soil

    其次利用ansys有限元程序,將復合樁基近似簡化為平面應變問題。分析了基礎剛度、樁土模量比、置換率等對地基中應力場和位移場分佈的影響。
  7. Firstly, the theory of compound foundation and pile foundation are summarized in this paper. the finite element, displacement models and computational program are introduced, then how such factors as the stiffness of pile, the ratio of length and radius of the pile & replacement ratio influence the settlement of compound foundation are analyzed. there has the best modulus of pile, the best of the length & replacement ratio and some data have been obtained

    首先總結了復合地基和樁基的理論和設計計算方法,對有限單元和位移模式以及有限元計算程序進行了介紹,然後分析了樁的剛度、長徑比、置換率等因素對復合地基沉降的影響,證實了帶承臺復合地基存在最佳樁土模量比、最佳長徑比和最佳置換率,並得出了相應的數值可供工程實踐參考。
  8. Based on new materials and methods, this paper analyses the tandem and segmental duplication, then estimates the num of the lost gene after gene duplication in the arabidopsis gene family, and we find an evidence for the whole genome duplication in arabidopsis which happened about 80 million years ago

    採用新的數據和方法研究擬南芥基因組的基因倍增過程,通過分析串聯基因倍增和大規模基因倍增的存在比例和同義置換率分佈,並估計大規模倍增后基因流失的比例,揭示了擬南芥基因組一次非常明顯的全基因組倍增,採用科學的方法佑計這次倍增發生在約8000萬年前。
  9. It is not always good at increased the cement ratio ; sometimes it is even harmed to the strength of the pile. the strength of the pile must matches the strengths of the origin soft foundation. improved fixing methods of strain meter and how to calculate the deformation modulus, the load transfer behavior of cement - soil pile, the compound foundation bearing capacity, pile - soil stress ratio with the increasing of the load are analyzed and studied

    本文通過分析和試驗分析,提出樁間土天然地基承載力標準值的取值方法、樁間土承載力折減系數取值方法,這和實測結果很接近;並得出提高復合地基置換率是提高復合地基承載力有效途徑,並具體比較了單樁復合地基和三樁復合地基提高天然地基的承載力的數值,並驗證樁體強度應和天然軟基相匹配,指出盲目提高樁體強度是不可取的,有時甚至偏於不安全,這對于當前的建設是很有意義的。
  10. The static triaxial test is performed on composite cemented clay samples and parameters of duncan - chang model are obtained considering the effects of replacement ratio and confining pressure. the effects such as replacement ratio, strain amplitude and confining pressure on the dynamic modulus and damping ratio of composite cemented clay samples are analyzed through undrained dynamic triaxial test. fitting equations estimating the dynamic modulus and damping ratio through regression analysis are deducted with the effects of replacement ratio, strain amplitude and confining pressure

    通過不排水動三軸試驗詳細地分析了置換率、應變幅和圍壓等因素對水泥土復合試樣動模量和阻尼比的影響,根據有關數據,得到了較為完整的復合試樣的動力變形曲線,通過回歸分析方法,得到了考慮置換率,應變幅和圍壓影響的水泥攪拌樁復合試樣動模量和阻尼比的擬合公式。
  11. Through changing and improving the traditionally adopted technology and equipment in compacted lime - soil pile foundation, so as to eliminate weak collapsibility of loess in luoyang and increase the strength of foundation, the authors present formulas to compute the average dry density and void ratio after ground treatment and demonstrate the feasibility of these formulas through practical project cases

    摘要基於洛陽地區次生黃土的弱濕陷性,對傳統的灰土擠密樁施工工藝和設備進行改進,達到消除濕陷性,提高地基承載力的目的,並且推導出地基處理前後干密度和孔隙比隨置換率變化的關系,以工程實例證明該公式的可行性,避免布樁型式的經驗性和處理結果的不確定性。
  12. Outside the improved area, the peak acceleration increases and the peak shear stress decreases with the increment of replacement ratio

    在復合地基加固范圍之外,隨著置換率的增加,復合地基中加速度峰值逐漸增大而剪應力逐漸減小。
  13. Compared with free field, the peak acceleration decreases and the peak shear stress increases under the overload transmitted from superstructures either inside or outside improved area. at the same replacement ratio, the peak acceleration and the peak shear stress both increase with the increment of layers in superstructures

    在上部建築結構中,復合地基置換率相同時,隨著層數增加,結構中的加速度和剪應力峰值都隨之增大;而置換率增大時,結構中的加速度和剪應力峰值也增大。
  14. Inside the area improved by cement mixed piles, the peak acceleration decreases and the peak shear stress increases with the increment of replacement ratio. in a point closer to the ground, there are higher peak acceleration and lower peak shear stress at the same replacement ratio

    通過研究發現:在復合地基加固范圍之內,隨著置換率的增加,復合地基的加速度峰值逐漸減小,剪應力峰值逐漸增加;置換率相同時,離地表越近,復合地基的加速度峰值越大而剪應力峰值越小。
  15. ( 4 ) according to the settlement calculation method in this paper, the main influence factors, such as displacement ratio, modulus of cushion, modulus of pile, and coefficient of subgrade, are discussed in this paper and the curves that reflect the relationships of the composite modulus and the influence factors have been achieved

    ( 4 )根據本文建立的沉降計算方法,對復合地基模量的主要影響因素:置換率、褥墊層彈模、樁體模量、基床系數等進行探討,最後得出了它們和復合地基模量之間的關系曲線。
  16. ( 3 ) optimization design principle of long - short - pile composite foundation is put forward, base on which replacement ratio and pile length is taken as design variable, bearing capacity, settlement, stratum strength and other demands acted as constraint function, pile cost taken as objective function, so the optimization design model of long - short - pile composite foundation is built

    ( 3 )提出了長短樁復合地基優化設計原理,在此基礎上將置換率和樁長作為設計變量,承載力、沉降、下臥層強度等要求作為約束函數,總制樁費用作為目標函數,建立出長短樁復合地基優化設計數學模型。
  17. The relationship between mechanic characteristics of composite ground and the length, the distance, elasticity modulus and replacement percentage of piles are discussed. the results of computing analysis has been contrast to the experimental data

    研究樁長、樁距、樁體模量以及置換率對單樁承載力、樁間土承載力發揮值以及樁土應力比的影響程度,並將計算結果與實測結果相比較。
  18. With the self - developed finite element program, the soil - structure interactions and the seismic settlement of structures under earthquakes are studied, which led to several conclusions useful to seismic design in engineering practice. the preparation method of composite cemented clay samples is modified based on former researches

    本文在前人的基礎上改進了水泥土復合試樣的制備方法,並且進行了復合試樣的靜力三軸試驗,考慮不同置換率和圍壓的影響,得到了在靜力有限元分析中所必需的duncan ? chang模型參數。
  19. The effect of area replacement ratio and pile length on the stress and deformation of composite foundation

    面積置換率和樁長對復合地基的應力和變形的影響
  20. A successful case that the soft - hard and non - uniformity foundation was treated in sections using vibrating crushed - stone piles with different proportion of replacement is instroduced

    摘要本文介紹了用不同面積置換率的擠密碎石樁法分段處理軟硬嚴重不均勻地基的成功實例。
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