粘聚性土 的英文怎麼說
中文拼音 [niánjùxìngtǔ]
粘聚性土
英文
cohesive soil-
Composed of particles that do not cohere. used of soil
無內聚性的由不能粘著的質點組成。用於土壤Of the eons of geological periods recorded in the stratifications of the earth : of the myriad minute entomological organic existences concealed in cavities of the earth, beneath removable stones, in hives and mounds, of microbes, germs, bacteria, bacilli, spermatozoa : of the incalculable trillions of billions of millions of imperceptible molecules contained by cohesion of molecular affinity in a single pinhead : of the universe of human serum constellated with red and white bodies, themselves universes of void space constellated with other bodies, each, in continuity, its universe of divisible component bodies of which each was again divisible in divisions of redivisible component bodies, dividends and divisors ever diminishing without actual division till, if the progress were carried far enough, nought nowhere was never reached
隱藏在大地的洞穴里和能移動的石頭底下蜂巢和土墩子中那無數微小的昆蟲類的有機生物:微生物病菌細菌桿菌精子憑著分子的親和之凝聚力而粘在一根針尖上那幾萬幾億幾兆個多不勝數肉眼看不到的微小顆粒人類的血漿是一個宇宙,群集著白血球和紅血球,每個血球又各自形成一個空虛的宇宙空間,群集著其他球體各個球體連續性地也是由可分割的構成體形成的宇宙,各個構成體又可以分割成為幾個能夠進一步分割的構成體。就這樣,分子與分母實際上在並未分割的情況下就不斷地減少了。如果這個過程延續到一定時候,就永遠在任何地方也不會達到零。The expansion agents can only make up the shrinkage to some extent, and the compensation effects would be reduced when the retardener and fly - ash are used. the expansion agents are not panaceas to avoid the shrinkage cracking as expansion can also reduce the concrete soundness. under bad curing condition, the polypropylene fibrillated film fiber can improve concrete ' s anti - crarking property, while the nominal steels have very unobvious effects. to reduce the concrete shrinkage thus avoid the cracking, the former factors must all be taken into account in concrete proportion design to develop sound concrete
研究結果表明,水泥的品種和用量是影響混凝土收縮值的主要因素之一,當混凝土中水泥用量超過470kg / m ~ 3時,混凝土的收縮值超過400 10 ~ ( - 6 ) ,在約束狀態下存在高開裂風險;採用細砂使混凝土單位用水量顯著提高,收縮值也大幅增加;優質粉煤灰總體上能抑制混凝土的收縮,以超量方式摻入其抑制作用更加明顯,但粉煤灰混凝土早期的粘聚性較差,應注意養護,以免失水產生龜裂;早強減水劑和緩凝減水劑都會使混凝土收縮值增加;膨脹劑只能補償混凝土部分收縮,同時受緩凝劑和粉煤灰的抑制,而且膨脹使混凝土的體積安定性增加了不確定因素,膨脹劑不是解決混凝土收縮裂縫的良方。The binders has supper fluidness 、 bonding capacity 、 water retentivity 、 filler properties, no segregation, no bleeding and supper mechanical properties after harden. it is one of high performance concrete. japanese have been researched self - compacting concrete from 1987, and used more than 1. 2millions litres
其拌和物具有良好的流動性、粘聚性和保水性,要求填充性能優異,不離析、不泌水且硬化后具有良好的力學性能,屬于高性能混凝土( high - performanceconcrete )的一種。Then the judging method is proposed, and the proposed method can consider the stress history and viscosity shear strength of soft soil. in this paper, a fem program dpfbm1. 0 ( double plastic foundation beam method ( version 1. 0 ) ) is established. with this program, the influence of some parameters on foundation excavation is fully studied, the parameters include : compression modulus, cohesive strength, angle of internal ficiction, effective angle of internal friction, the embedded length of the wall and building load
針對當前國內外彈性地基梁法存在的缺陷,基於對軟土流變性的研究,採取了剪應力判斷彈塑性狀態,以改進和完善基坑工程彈性地基梁法,推導了彈性狀態下地基反力系數的近似解,提出了採用剪應力組合判斷土彈簧彈塑性狀態的方法,編制了相應的彈塑性共同變形法分析程序dpfbm1 . 0 ( doubleplasticfoundationbeammethod ( version1 . 0 ) ) ,並採用該程序分析了壓縮模量、粘聚力、內摩擦角等參數變化對基坑工程的影響。Abstract : because the water - binder ratio of both high strength concrete and high performance concrete are very low, it bring about the following consequences such as : 1, the grade of cement strength would be a negligible symbol 2, the effectiveness of mineral admixture would be considerably improved 3, the high cohesion of the mixture and concrete " s shrinkage and creep would be changed etc. all these consequences should be well deliberated by the construction circles
文摘:高強混凝土和高性能混凝土因其水膠比都很低,給配製與施工帶來如下現象:水泥標號的「標志」作用淡化,礦物摻合料的作用顯著改善,拌合物的高粘聚性、混凝土的收縮和徐變性能的變化等,這些現象都值得施工人員注意。But some problems with self - compacting concrete such as high slump loss and the difficulty of harmonizing the cohesiveness and the flowability should be solved. the theory of concrete mix design should also be perfected. in accordance with these problems, this thesis carry out such research works as follows to deal with them
然而,免振搗混凝土特別是高強超高強免振搗混凝土坍落度損失大,粘聚性和流動性難以統一以及易產生收縮裂紋的問題亟待解決;免振搗混凝土的配比設計理論也需要進一步地加以完善。The experiential formula between kc and base resistance q from cpt and, the relationship between ke and c # ( strength of concrete ) are also created by fitting 94 pressed pile testing date. based on analyzing the compacting effects caused by driving pile in loess and it ' s influence on bearing capacity and settlement, another two disturbance parameters, c and e, are proposed for multiplying respectively the parameters of soil cohesive c and deformation modulus es to reflect this effect. by fitting 51 driven pile testing date, we created an experiential formula between the e and r ( the modulus ratio between pile and surrounding soil ), also an experiential formula between the c and base friction resistance fs / pa from cpt of pile surrounding soil
在本文中分析了靜壓樁的沉樁擠土效應對其承載力與沉降特性的影響,在計算模型中引入了樁周土粘聚力c的修正系數k _ c和樁周土變形模量e _ s的修正系數k _ e來體現這種影響,通過對94根靜壓樁試樁資料進行擬合,建立了k _ c與樁端土靜力觸探的端阻q _ c之間經驗公式以及k _ e與c # (混凝土標號)之間的對應關系。Abstract : the cause of underwater concrete reinforcing cage up - floating accident is improper operation, such as loose - placement of reinforcing cage, fast - drawing of conduct pipe, improper embedded depth of conduct pipe ; and the poor quality of concrete, for example, the slump, sand percentage, adhesiveness and initial setting time don " t meet requirement
文摘:水下混凝土澆注鋼筋籠上浮事故的原因是操作不當,如鋼筋籠固定不牢、提升導管過猛、導管埋深不當等,以及混凝土品質差,如坍落度、含砂率、粘聚性、初凝時間等不合要求。And it should be ascribed to silt according to the view of its mineral composition, particles distribution, physical and mechanical indices. not only is the content of cla > relatively high, but also the exchange capacity of ion, chiefly high - electronvalent calcareous ion, is great. due to aggregations filled with pore among inter - particles, the soil has the engineering properties of silty clay
從其礦物成分、顆分試驗及物理力學指標來看,它應歸屬于粉土,但由於土中的粘粒含量較高,且粒間充填集聚體,土的離子交換容量較大,交換陽離子以高價鈣離子為主,故其仍表現出粉質粘土的工程特性。The cause of underwater concrete reinforcing cage up - floating accident is improper operation, such as loose - placement of reinforcing cage, fast - drawing of conduct pipe, improper embedded depth of conduct pipe ; and the poor quality of concrete, for example, the slump, sand percentage, adhesiveness and initial setting time don " t meet requirement
水下混凝土澆注鋼筋籠上浮事故的原因是操作不當,如鋼筋籠固定不牢、提升導管過猛、導管埋深不當等,以及混凝土品質差,如坍落度、含砂率、粘聚性、初凝時間等不合要求。To best achieve the working performance of the said concrete, with the help of theology theory in the research, we have analyzed the principle of free - vibration densifying and shaping of mixed concrete, that is, with the perquisite of fluidity, the concrete should have good property of filling - up - space, penetration through voids of fixed steel reinforcement, adherence and prevention from losing water and segregation, and the conflict between anti - segregation and deforming capability should be sorted out
為得到自密實高性能混凝土的最佳工作性能,在研究中藉助流變學理論,分析研究了混凝土拌合物免振搗成型和密實的機理,在大流動性的前提下,要求混凝土具有良好的填充性、鋼筋間隙通過性和粘聚性,防止泌水、離析,解決變形能力與抗離析性能力的矛盾。Based on the method of limitation analysis of soil plasticity, researching from the soil arching mechanism of soil - nailing retaining, the upper limit of the critical height of soil - nailing slopes and the minimum horizontal length from coping of the potential slide surface to the edge of deep excavation are obtained through the analysis to weight of soil and vertical loading and the mechanism of soil and soli - nailing acting reciprocally
摘要基於土的塑性極限分析方法,以均質土坡為例,從土釘支護結構的準粘聚力理論出發,綜合考慮土體自重、坡頂的條形荷載,以及土釘與土體的相互作用的機理,推導出了土釘支護的臨界高度的上限值和潛在螺旋曲線滑動面在坡頂方向距基坑邊沿的最小水平距離解析表達式,可供基抗支護設計參考。Analysis of the inter - velution ship and its influence factor between loess landslide slope failure and charecterisitics of soil and rock mass show that the range of landslide slope failure enlarges with the development of earthquake intensity, coeffient of pore pressure and cohession. it delarges with the development of angle of internal friction ; use simplicity bishop method and computer to get simplicitely and quickly usable stability anlytic figures and data table
分析黃土滑坡與巖性的內在關系及其影響因素表明,滑坡范圍隨地震烈度、孔隙水壓力系數、粘聚力的增大而增大,隨土體內摩擦角的增大而減小;採用簡化畢消普法,藉助計算機,獲得了簡捷明快、使用方便的穩定分析圖表。( 5 ) for slope safety problem, the paper analyzed the sensitivity of parameter. the result shows that e, v, k0 have little affecting on slope safety, friction angle and cohness c are main factors. providing a theoretics gist for reinforcing bank
結果表明,彈性模量e 、泊松比、剪脹角和側壓力系數_ 0對邊坡的安全系數影響不大,影響邊坡安全系數的土體參數主要為內摩擦角和內粘聚力c ,為邊坡穩定的治理提供了理論依據。The sand is provided with the pseudo - cohesion c by reinforcement, which verified " the frictional reinforcement theory " and " the pseudo - cohesion theory " ; ( 2 ) the vertical pressure can influent the friction only within certain limits ; ( 3 ) the frictional performances of different filling with the same reinforcement are different ; ( 4 ) when the reinforcement and filling are similar, the development of the friction between reinforcement and filling is influenced by physical state of filling ; ( 5 ) the achievement of experiment are applied to project
砂土加筋后具有較大的準粘聚力c值,這證實了關于加筋土原理中的「摩擦加筋理論」和「準粘聚力理論」 。 ( 2 )當垂直壓力在一定范圍內時,垂直壓力越大,摩阻力越大;但當垂直壓力超出一定范圍后,其對摩阻力的影響逐漸減弱, f曲線趨于平緩,且似摩擦系數隨垂直壓力的增大呈非線性減小。Furthermore, the forms of slip surface are generalized into conic curve no longer taking the magnitude of cohesion into account. and the method of slope stability analysis for anchor - reinforced or discharged slope is also presented
假定滑面上應力分佈形式,文中進一步將粘性土坡和無粘性土坡的滑面形式統一起來,在計算過程中不再根據粘聚力的大小來假定不同的滑面形式,均將滑動面形式假定為二次曲線。And the optimal content of materials are : super plasticizer nf 0. 8 %, fly ash 20 %, ps 20 ~ 30 %, zeolite powder 20 %, sf 5 ~ 8 % ; the negative influence of hill sand powder should be avoided by controlling of powder content and the use of active additive and super
本文通過對配製的山砂高性能混凝土和普通混凝土的拌合物性能、力學性能、長期性能及耐久性能的研究,得到流動性、保水性、粘聚性等性能優良的山砂高性能混凝土。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。In design of retaining structure, the reliability of the computing results relies mainly on the proper selection of shear strength parameters ( c and ). so it is exigent to devise a set of experiments according to the actual stress path of soil to determine its shear strength parameters
在基坑支護設計中,計算結果的可靠性在很大程度上取決于抗剪強度參數(粘聚力和內摩擦角)的正確確定,所以根據土體的實際受力過程做出合理的測定土抗剪強度參數的試驗設計已經成為十分迫切的任務。分享友人