settlement stress 中文意思是什麼

settlement stress 解釋
沉降應力
  • settlement : n 1 解決。2 決定。3 鎮定;安定。4 固定;定著。5 澄清;沉澱;沉澱物;沉積物;【地質學;地理學】沉...
  • stress : n 1 壓力,壓迫,緊迫,緊張。2 【語音】重音;重讀;【詩】揚音;語勢,著重點。3 重要(性),重點,...
  1. The current chinese foundation design code gbj7 - 89 use limit equilibrium theoiy with elastic soil stress distribution to give out bearing capacity design value calculating fonnula and use elastic soil model to evaluate foundation settlement. according to the above theories, code gbj7 - 89 gives the correlative terms. but these do not accord with the practical mechanism of loaded soil below the shallow foundation and the elastoplastic property of natural soil so defects exist

    我國現行規范gbj7 - 89將這兩者分開考慮,其計算地基承載力設計值的公式是根據彈性地基中應力分佈及土的極限平衡狀態理論為依據而得出的,求地基的沉降變形時則視土體為彈性,這些理論對地基及土的假設與淺基礎地基的實際工作狀態及天然土體的非線性、彈塑性存在一定的偏差。
  2. On this foundation the article inducts in detail the method which is based on the relative settlement of calculating unit area end support ( qb ) force at the same time considering the feature of pedestal pile ' s " arch effect " the article introduces conception of pile effective length and finally obtain t he formula of calculating man - made pipe with bulb - shaped axial carrying capacity. the article uses marc program to calculate and analyze foundation soil ' s stress and displacement and gets the change curve chart and the proportion that is shared by king - pipe side soil friction resistance and pipe end counterforce respectively. the article inducts the structure of pedestal in detail on the basis of generalizing pedestal application cases of many countries

    在此基礎上論文詳細歸納了以相對沉降為依據確定單位面積端承力q _ b的計算方法,並考慮擴底樁的「拱效應」特點引入了有效樁長的概念,最後結合公路規范推出了比較實用的人工挖孔擴底樁軸向承載力計算公式。論文運用了marc程序對地基土的應力和位移進行了有限元數值計算分析,得到了地基土的應力和位移場的變化曲線和在加載過程中樁側土摩阻力和樁端反力各自所承擔的比例;本文還在總結各國挖孔擴底樁應用情況的基礎上就擴底樁的構造進行了詳細的歸納。
  3. This paper focuses on the problem of semi - infinite elastic body filled with the material which behaves differently in tension and compression. the contents include : ( 1 ) the solution of elasticity theory for the material incapable in tension is established by introducing heaviside function ; ( 2 ) the solution of elasticity theory with different modulus in tension and compression is established based on the solution of elasticity theory for the material incapable in tension and mindlin ' s solution ; ( 3 ) the solution of elasticity theory with different modulus in tension and compression is employed to analyze the stress of pile foundation ; ( 4 ) the solution of elasticity theory with different modulus in tension and compression is employed to analyze the settlement of pile foundation

    本文考慮材料的拉壓性能不同的特點,對半無限空間內部作用豎向集中力問題進行了新的研究,做了如下工作: ( 1 )引入heaviside函數,建立了不能承受拉應力材料的彈性理論解; ( 2 )基於不能承受拉應力材料的彈性理論解和mindlin解,建立了拉壓模量不同材料的彈性理論解; ( 3 )將拉壓模量不同材料的彈性理論解應用於樁基應力分析; ( 4 )將拉壓模量不同材料的彈性理論解應用於樁基沉降分析。
  4. In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared

    本文在已有研究成果的基礎上進一步開展了以下幾方面的研究: ( 1 )在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上,提出了廣義雙層地基模型的概念,並把半無限體的傳遞矩陣r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式中; ( 2 )根據多層地基在圓形荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式,編制了程序,調試通過並驗證了其正確性; ( 3 )通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉降,矩形垂直均布荷載角點下的附加應力系數和荷載角點沉降及條形垂直均布荷載中心軸線上的附加應力系數進行的計算,探討了雙層地基中的附加應力與沉降特性; ( 4 )應用本文的層狀地基體系理論對一個工程實例進行了計算分析,並與傳統的計算方法的計算結果和有限單元方法的計算結果進行了對比分析,結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。
  5. The precision of its calculating results has an direct effect on the design, construction and safe usage. in the typical calculation of the settlement of foundation, additional stress incurring by loading is calculated according to elastic theory which has the same characteristics in semi - indefinated space, the condesion of soil is decided by the condesion experiment of one - demension and the settlement is calculated by adding results of respective layer

    地基沉降計算一直是困擾巖土工程技術人員的一個難題,其準確與否將直接影響建築物的設計、施工和安全使用。在經典的地基沉降計算方法中,荷載作用下地基中附加應力場是根據半無限空間各向同性彈性體理論計算的,土體壓縮性是根據一維壓縮試驗確定的,並採用分層總和法來計算地基的沉降量。
  6. Integration of these two sides could let the results of layerwise summation method ( lsm ) be more accuracy, which can consider not only soil stress history but also soil lateral deformation and soil nonlinear properties even. ( 5 ) research on the application of meshless method for embankment settlement calculation

    綜合這兩個方面,單向分層綜合法的計算結果趨于更準確,其不但能考慮應力歷史外,而且能計入土體側向變形甚至土體非線性特性; ( 5 )路堤沉降計算無單元法應用研究。
  7. The deformation of reinforcement material could not keep with the settlement of the filling cause that the stress of the tensile concentrated ; 6

    ( 5 )填土沉降大與拉筋變形伸長率小是引起拉筋拉力集中的原因。
  8. And four constitutive models are established, which are hyperbolic model, half - logarithm model, exponential model and poisson model. combined with the analysis of the change of effective stress, the iteration formulations of settlement calculation are provided

    同時建立了雙曲線模型、半對數模型、指數模型及泊松曲線模型四種本構模型,並結合有效應力過程分析給出了實用的沉降過程線的反演迭代公式。
  9. The prototype observation shows that because settlement of soil is larger than that of piles, " arch effect " appears in the embankment so that its weight is gradually transferred from the soil to piles and pile - soil stress ratio increases

    現場原型觀測表明,樁間土的沉降量大於樁頂的沉降量,填土中出現拱效應,填土荷載逐漸從樁問土向樁頂轉移,樁土應力比逐漸增加。
  10. It has accumulated much experience in the choice of earth rockfill dam ' s material, division of dam ' s body, stabilization of dam, seepage, settlement, analysis of stress and strain, treatment of foundation, criterion of reclamation and machine of construction and so on

    在土石壩築壩材料,壩體分區,壩體穩定,滲流,沉降及應力應變分析,基礎處理,填築標準,施工機具等一系列關鍵技術上,已經積累了豐富的經驗。
  11. Based on the feature of subgrade construction and with the analysis of the observed settlement data, a series of stress - strain isochrones are arranged in this paper

    本文基於高速公路路基填築的特點,通過實測沉降資料的分析,整理出一系列應力應變等時曲線。
  12. 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。
  13. Surface settlement is due to layer losses and the layer losses are due to the changes of stress state and water content. it is necessary to probe into the principle, but to pay more attention to the aftermath of layer losses - surface settlement and its regularity. this paper has focused on discussing about the regularity of surface settlement in tunneling construction

    地表之所以發生沉降,是因為發生了地層損失,而地層損失主要是由於土的應力狀態和土的含水量發生了變化,機理的探討是必要的,但是人們更關心地層損失造成的後果?地表沉降,更關心地表沉降的規律性,本文討論了隧道施工過程中地表沉降的規律,將隧道施工方法分為盾構法和礦山法兩種,結合理論分析和實測結果,分別給出了地表沉降曲線和沉降范圍的經驗公式,其結論對北京地鐵隧道的設計與施工具有重要的參考價值。
  14. Analysis based on a large amount of data about the load - settlement, pile soil stress ratio and stress distribution obtained from the model tests shows that in the horizontal - vertical multiple reinforcing system, the horizontal reinforcing function of the geocell reinforced gravel mattress, the vertical reinforcing function of the gravel pile, the system of load transfer and supporting formed through interaction and working together mechanism between gravel pile composite foundation and geocell reinforced gravel mattress are the main mechanism of its load capacity improvement, settlement and asymmetrical settlement reduction

    試驗結果分析表明:在土工格室碎石墊層碎石樁復合地基這一水平向豎向多元復合地基共同作用的加固體系中,結合了土工格室碎石墊層的水平向增強體作用和碎石樁的豎向增強體作用;土工格室碎石墊層和碎石樁復合地基相互作用,共同工作構成的荷載傳遞和支撐體系是其提高承載力,減少沉降和差異沉降的主要機理。
  15. Bank is an important part in chinese system of controlling flood. it has accumulated much experience in the choice of bank ' s material, division of bank ' s body, stabilization of dam, seepage, settlement, analysis of stress and strain, treatment of foundation, criterion of reclamation and machine of construction and so on

    堤防是我國防洪工程體系的重要組成部分,在築堤材料、堤體分區、堤體穩定、滲流、沉降及應力應變分析、基礎處理、填築標準、施工機具等一系列關鍵技術上,已經積累了豐富的經驗。
  16. The analytic solutions of isotropic elastic layered soil under axisymmetrical, rectangular and strip loads were derived from the basic equations of isotropic elastic mechanics by means of transfer - matrix method. by the result, can easily calculate the additional stress and settlement in layered soil. but these solutions could not properly assess the errors from the elastomer of the bottom layer in foundation soil

    從各向同性彈性力學基本方程出發,利用傳遞矩陣法推導出的多層彈性地基問題在軸對稱荷載、矩形荷載和條形荷載作用下附加應力與沉降的解析解,可以方便地求出層狀地基中的附加應力和沉降,而他們均沒有考慮最下層彈性體計算深度引起的誤差影響。
  17. Product function : soft soil subgrade strengthening, reinforced embankment & slope, strengthening separation, bounding deformation of foundation, prevent road from reflection crack, increasing the intensity of subgrade. it can strengthen soft subgrade of kinds of roads and railways ; prevent road from reflection crack ; enhance the strength of subgrade ; reinforcedriverbank, embankment and slope ; homogenize the stress ; adjust settlement ; improve the stability and bearing capacity of the basement ; strengthen road and bridge tops

    產品功能:軟土路基加強,路堤邊坡加筋,加強隔離,約束地基變形,防止道路反射裂體,提高路基的強度.各種道路、鐵路等軟路基加強,增強路基的強度;河岸、路堤、邊坡起加筋,均化應力,調整沉降,提高基底穩定和承載力;道路橋臺面的加強。
  18. ( 3 ) the upper result of settlement field, stress field and crack deepness offers a theoretics gist for reinforcing bank. the paper concludes several methods of reinforcement. through choosing project, made certain adopting geomebrance to reinforce the bank

    本文又對堤防加固的各種措施方法進行了歸納整理,通過方案比選,選擇用迎水面斜鋪土工膜的方法進行防滲加固,並對土工膜的材料選擇進行了計算。
  19. The 16 - node degenerated iso - parametric element is proposed for the analysis of raft foundation with mid - thick plate. the stiffness matrix of single pile among the pile group can be founded assuming the total contact between the plate and the foundation. and the results of stress and deformation of plate, the force on pile and the settlement of pile bottom can be solved after the finite element disperse for the plate and the establishment of balance equation of pile - raft interaction

    在引入16節點退化等參元的中厚板筏板分析模型的基礎了,假定筏板與地基間完全接觸,建立了群樁中單樁樁身剛度矩陣,繼而對筏板進行有限元離散得到樁筏共同作用的平衡方程,從而求解筏板內力、撓度、樁頂反力、樁端沉降等一系列結果。
  20. The study shows that besides boundary conditions, the factors influencing the nonlinear consolidation behavior of soils are the compression index cc, the permeability index ck, the level and the rate of loading, and the thickness of soil, etc. in nonlinear consolidation, especially for layered soils, the average consolidation degree defined by settlement, us is greater than the one defined by effective stress, up, i. e., the rate of the development of settlement is greater than that of the dissipation of excess pore water pressure

    研究表明,除邊界條件外,影響軟土地基一維非線性固結性狀的主要因素是壓縮指數c _ c 、滲透指數c _ k 、荷載大小與加荷速率、土層厚度等。對于非線性固結,特別是成層地基,按沉降定義的平均固結度u _ s大於按有效應力定義的平均固結度u _ p ,即沉降發展速率要快于超靜孔壓消散的速率。
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