soil-stress test 中文意思是什麼

soil-stress test 解釋
土壤應力試驗
  • soil : n 1 泥土,土壤;土質。2 土地,國土。3 滋生地,溫床。4 農業生活,務農。n 1 臟東西,污物,污穢,污...
  • 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,...
  • test : n 1 檢驗,檢查;考查;測驗;考試;考驗。2 檢驗用品;試金石;【化學】試藥;(判斷的)標準。3 【化...
  1. The main contents are as follows. ( 1 ) filter cloth and the surrounding soil mass are taken as an approximate isotropy in horizontal section, the relationship of stress and strain is studied, the anisotropy is fully considered, the constitutive model of filter cloth reinforcement fly - ash compound is obtained, it is tested with numerous indoor experiments. ( 2 ) the permeable coefficient is introduced into the constitutive relationship of soil mass with relevant seepage theory ( kozeny - carman experience formula ). the test of filter cloth depositing hi the condition of long term seepage flow is done hi the dissertation, the varying regular of permeable coefficient without pressure is presented

    本文首先對國內外的研究現狀作了回顧和總結,然後主要針對土工織物加筋粉煤灰復合體的本構關系和計算理論進行研究,主要內容有: ( 1 )將土工織物和周圍土體視為一種近似的彈性非線性橫觀各向同性體,研究它的應力應變關系,充分考慮它的各向異性,得到土工織物加筋粉煤灰復合體的本構模型,然後通過大量室內試驗進行分析驗證; ( 2 )引入有關滲流理論,即柯茲尼-卡爾曼( kozeny - carman )經驗公式,將滲透系數引進到土體本構關系中。
  2. Based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised

    基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗,研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律,提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法,並修正了復合地基承載力的計算公式。
  3. Abstract : based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised

    文摘:基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗,研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律,提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法,並修正了復合地基承載力的計算公式。
  4. 5. combining with field test, the author disputes load transfering mechanism and mode of failue about cement power - sprayed, and studies the relationship of n ( the stress ratio of piles to soil ) to load p. at last, the author summizes the factors to effect n

    作者結合現場試驗,對粉噴樁荷載傳遞機理和破壞模式作了探討,對粉噴樁的樁土應力比n與荷載水平p的關系進行了研究,並對影響樁土應力比的因素作了歸納總結。
  5. Abstract : in this paper, the efficient stress method is used as main means, while the railway engineering anti - earthquake design specification and the dynamic triaxial test are used as additional means. the authors analyze the ground layer liquefaction of shield tunnelling built on powder soil or fine sand, whose top plate is buried under two kinds of depth, and conclude that the liquefaction area is different with different buried depth. finally, the rational buried depth is proposed

    文摘:以有效應力原理的有限元計算分析為主、鐵路工程抗震設計規范及室內動三軸實驗為輔,對修建在粉土或粉細砂層中的盾構隧道進行了兩種不同埋深情況下的液化分析,得出了埋深不同液化區出現區域不同的結論,並提出隧道抗液化的合理埋深。
  6. Through discussion of numerical solution, the author get the effect of height of filled soil, size of culvert, width of valley, property of filled soil, construction procedure and techniques on soil stress of the culvert top ; 3. through the centrifuge test, the paper validates the reliability of numerical calculating on high - stack soil ; 4. the paper puts forward the simplified calculating method of soil stress of the culvert top on the foundation of numerical simulating and centrifuge modeling

    通過對數值解的討論,得到填土高度,涵洞截面尺寸,溝谷底部寬度,溝壁坡角,填築體性狀,施工速度,地下水對豎向位移場及涵洞頂部土壓力的影響情況; 3通過離心機的模擬試驗,驗證了數值計算對高路堤的計算結果的可靠性; 4在數值模擬和室內離心機模型試驗的基礎上,提出了高填方涵洞頂部土壓力簡化計算方法。
  7. The collapsible loess is often met during the construction of the high - grade highway in the loess area, and the main failure is the uneven subsidence of the roadbed and the culvert, which affects the safe usage of the roadbed and the culvert, etc. directed against this, based on the chankou - lanzhou freeway construction, the paper analyzes the application of the composite ground formed by lime - soil pile under the bridge and designs the project, discusses the rules of the contact pressure, the stress ratio of the pile and the soil, compares the p - s curves of one pile, the composite ground formed by one pile and the composite ground formed by two piles based on the in - situ plate loading test, evaluates the bearing capacity of the composite ground of the project

    黃土地區的高等級公路建設中經常遇到濕陷性黃土問題,其病害類型主要是地基土受水浸濕后引起路基、橋臺、涵洞等的不均勻沉降,直接影響路基、構造物等的正常使用。針對此問題,本文依託甘肅讒口至蘭州柳溝河高速公路建設工程,對橋基灰土樁復合地基應用的可行性進行了深入分析,根據具體工程進行了合理的設計與計算,並配合現場靜載荷試驗及壓力盒實測數據,探討了基底應力分佈規律,樁土應力比,變形模量的變化關系,對比分析了單樁、單樁復合和雙樁復合的p ? s關系,對橋基灰土樁復合地基承載力進行了整體評價。
  8. In this paper, on the basis of the numerical analysis with the concept of equivalent soil mass with reinforcement and shake table model test, the calculation of high loess embankment with geogrid - reinforcement in highway is carried out under static loading, and the dynamic response of high reinforced sand - gravel embankment with grogrid - reinforcement in highway is tested under earthquake. the behaviors of loess embankment are indicated as the following : ? he stress and deformation varies with reinforcement design conditions and foundation types

    本文通過將土工合成材料與土體視為加筋等效土體的數值計算方法和振動臺模型試驗,以加筋黃土高路堤和豎直擋板加筋砂礫土高路堤為研究對象,計算分析了不同堤基上不同加筋設計條件下黃土高路堤的靜應力及變形變化規律,試驗研究了不同加筋條件下砂礫土高路堤的動力反應特性。
  9. The methods of quantitative analysis of structural strength of loess are put forward, and effects of soil moisture upon structural strength of loess are also quantitatively analyzed in this paper. the strength of loess is formed by structural strength and compaction strength, and structural strength can be expressed by the difference of stress between structural loess and man - made loess. the structural strength of loess can be quantitatively analyzed by different test in laboratory

    黃土結構強度的大小反映著黃土結構性的強弱,本文比較系統地研究了黃土結構強度的影響因素及其分析方法;黃土的強度由結構強度和固結強度組成,其結構強度可用結構性黃土與重塑黃土的應力差表示,可以用不同的試驗方法,進行結構強度的定量分析;結構強度的發揮過程曲線反映了結構強度隨應變的變化過程;含水量對黃土結構強度構成顯著的影響。
  10. In the paper, other research results are summarized, and a big test model indoor of row pile retaining and protecting deep foundation pit is designed. for homogeneous soil or samdwich soil structure three different retaining and protecting kinds : dense pile, thin pile and without pile are designed, using excavation simulation and loading on the top of slope, the model test is divided into two stages : foundation pit excavation simulation stage and destroy test stage. in this paper, for three different retaining and protecting kinds, the relation between soil pressure and displacement of piles, the relation between soil stress and strain, interaction of pile and soil and retaining and protecting loss - stability destroy are systemic studied

    本文總結了前人研究成果,構築大型室內深基坑排樁支護試驗模型,在均質及層狀土層結構地基上,設計了密排樁、疏排樁及無支護三種不同支護型式,採用模擬開挖與坡頂均布加荷方式,進行了模擬基坑開挖和破壞性的兩個階段試驗,對三種不同支護型式的土壓力與樁位移、土體應力與變形、樁土共同作用及支護結構失穩破壞進行系統研究。
  11. The static loading test for three group of testing piles of jiading power plant secend stage project are analyzed and studied in this thesis, and the practical applying of high - accurate data collector, technique of waterproof insulation and testing technique of burying in the body of pile are introduced also. the vertical and horizontal loading features of three group of piles of different kind and constructing technique in different earth layer at the pile point are analyzed and compared and summed up with basic integro - differential equation calculating the pile earth system load transmit, transforming principle of stress - deforming and pile body rating of burying electric measuring element. changing law of stress, and changing law of pile body shifting and bending for different testing piles under vertical and horizontal load are showed so that the loading features of soil layer and pile at testing spot, reliable design data for pile type and base for scientific construction technique are provided

    本文僅就嘉定電廠二期工程中的三根試驗樁的靜載試驗進行了分析和研究,利用樁土體系荷載傳遞分析計算的基本微分方程及應力-應變轉換原理,結合預埋電測元件的樁身率定,對三組不同種類、不同施工工藝、不同持力層中的樁的豎直、水平承載特性進行了分析、比較和歸納,通過大量、全面的實測數據,經過整理、轉換和推演,揭示了不同試驗樁在豎直、水平荷載作用下的應力變化規律和樁身變位、撓曲變化規律,最終提供試驗場地土層和樁的承載特性,為該工程合理設計樁型提供了可靠的設計參數,為確定科學的施工工藝提供了有力的依據。
  12. Through lab tests on melted and common dark green silty soil of the passway in shanghai fuxing east road tunnel by using the typical triaxial test machine - ckc, their dynamic stress and stress - strain relations with different frequencies were studied

    摘要以上海復興東路越江隧道江底旁通道凍結施工中的原狀和凍融作用后的暗綠色粉質粘土為研究對象,運用ckc循環三軸儀,採用不同的頻率來摸擬行車荷載進行室內動三軸試驗。
  13. By the test of saturated soil and unsaturated soil, this paper enquiry that the stress - strain relationships of compacted soil under one dimensional consolidation is perfect hyperbole

    本文通過重塑土(飽和和非飽和)室內試驗,探討了一維情況下壓實土的應力應變關系呈現很好的雙曲線形式。
  14. Centrifuge model test technique preferably solves two problems : one is the gravity loss of the model soil, the other is the coupling problem between the seepage field of the ground water and the stress field of the stratum, which is a guidance for other deformation controls under the similar condition

    離心模型試驗技術較好的解決了在地下工程研究中模型土體的自重損失和地層位移分析中地下水滲流場和地層應力場相互耦合作用問題,對于在相似條件下富水地層隧道開挖施工如何控制地表沉降變形的研究方面具有指導意義。
  15. Based on the test results and bearing formula for djcm pile composite ground under rigid foundations, it raises the design formula for the bearing capacity of djcm pile composite ground under flexible foundations. secondly, taking material nonlinear especially the glide between pile and soft soil into account, some tentative analysis and numerical analysis have been done by finite element software - ansys. it summarizes some basic regularity of the pile - soil stress ratio load transferring and variation along depth, deformation characters etc.

    其次,本文還應用大型有限元分析軟體ansys ,考慮水泥粉噴樁復合地基中樁-土材料的非線性特性,並特別考慮了樁和樁側土之間有相對滑動的實際情況,對柔性基礎下水泥粉噴樁復合地基的力學性狀作了初步的數值模擬分析,總結出柔性基礎下水泥粉噴樁復合地基中樁土應力比、荷載沿深度的傳遞特性和復合地基的變形特性等方面的基本規律。
  16. The research focus on soil c compaction principle under the action of combination impaction and vibration by the test and theory method based on elasticity, plasticity and rheology performance. put a lot of stress boxes in the soil. measure and record the soil stress directly, then process the record datas by mathematic method

    在方法上採用了理論與試驗相結合的研究方法,在土體彈、塑特性及土體流變特性的理論基礎之上,在土體中埋放了大量的壓力盒,通過測量和觀測儀器直接記錄土體內部各點在沖擊與振動聯合作用下的內應力值。
  17. Look back generally to elaborate the development and present situation of the stress - strain model of soil. according to a great deal of data of the test and research of zipingpu reservoir concrete faced rockfill dam ' s material, suggest the more reasonable stress - strain - volume change equation to contain strain softening, dilatancy ( shrinkage ) of the no viscous moraine and gravel. suggest the method to gain the model ' s parameter

    較全面回顧闡述了土體本構模型的發展和現狀,根據紫坪鋪面板堆石壩築壩料的大量試驗研究,提出相對合理的應力應變關系方程,以反映土體的應變軟化、剪脹性,並提出模型參數的求取方法,求取模型參數。
  18. All the results of axial and radial deformation measurement by digital image processing technique and those by traditional method are compared. the differences of the soil parameters on duncan and chang ' s nonlinear model made by these two methods are analyzed. finally, a compress test results and fem results are provided to show the reasonability and veracity of digital image processing technique to study the soil stress - strain characteristic in triaxial test

    ( 2 )三軸試驗土樣局部變形研究:首先定量比較了三軸試樣沿高度方向不同位置的局部變形(局部徑向變形與局部軸向變形)大小,分析了三軸試樣局部變形的特點和影響因素;然後把三軸試樣數字圖像測量結果與傳統測量結果進行比較,以鄧肯張非線性模型為例進行了模型參數的整理,分析了兩種不問測量方法引起的參數差異:最後用原型壓縮試驗對比有限元數值計算結果,驗證了數字圖像測量方法得到的三軸試驗土體應力應變參數的合理性和準確性。
  19. In the last, the thesis gives the four model compare test. it include common static roller, vibratory roller impactive roller and composite roller model test. the density and soil stress be measured at same time in the test

    最後本文還進行了四種壓路機模型的對比試驗,靜碾壓路機模型、振動+靜碾壓路機模型、沖擊+靜碾壓路機模型和振動+沖擊+靜碾壓路機模型,採用了宏觀測量壓實度和微觀監測土體內應力變化並用的方法,分析比較了各種模型的作業效果和被作用介質應力的變化規律。
  20. Via the practical engineering of improving the soft foundation with the low intensity piles composite foundation the field test study is done. these work is done : ( 1 ) the method of improving the soft foundation of the bridge approach with the low intensity piles composite foundation is summarized ; ( 2 ) the field test method of improving the soft foundation of the bridge approach with the low intensity piles composite foundation is summarized ; ( 3 ) the strain character of the low intensity piles composite foundation under the embankment load is studied ; ( 4 ) the stress character of the low intensity piles composite foundation under the embankment load is studied and the differences of the pile - soil stress ration and what make them is discussed ; ( 5 ) the calculating mode of bearing capacity of low intensity piles composite foundation is discussed

    本文藉助于低強度樁復合地基處理橋頭深厚軟基的實際工程,對低強度樁復合地基加固橋頭軟基進行了試驗研究,做了以下工作: ( 1 )對低強度樁復合地基加固高等級公路軟基的方法進行了總結; ( 2 )對低強度樁復合地基加固軟基的試驗方法進行了總結; ( 3 )研究了低強度樁復合地基在堆載作用下的變形性狀; ( 4 )研究了低強度樁復合地基在堆載作用下的應力場特徵,並對不同性質荷載作用下低強度樁復合地基樁土應力比進行了比較,分析了存在差異的原因原因; ( 5 )對低強度樁復合地基承載力的計算方法進行了探討。
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