塑性地壓 的英文怎麼說

中文拼音 [xìngde]
塑性地壓 英文
plastic ground presure
  • : 動詞(塑造) model; mould
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 壓構詞成分。
  1. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮基變形的基承載力問題進行了實用化的探討,提出了考慮基變形的基承載力上程計算方法;對基於彈理論分析的基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬基,對基(巖基)承載力的動測法進行了研究,為各類基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗強度確定、基於彈模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  2. As an advanced materials preparation technology, spray - deposition has shown remarkable superiority in producing large - sized alloys and metal matrix composites. however, the spray deposeted preforms usually contain a certain quantity of porosity. besides, the oxide films on the surface of the particles lead to week metallurgic conjunction between the particles. in order to obtain an ideal structure and performance, the porous preforms need further densifying and plastical forming. in this paper, a new technology named wedge pressing was used to densify spray - deposeted 5a06 aluminium alloy, in which the large deformation can be obtained through the sum - up of local deformation and multi - step small deformation. this method can also solved the problems in traditional processing and greatly decreased the producing cost. what ’ s more, the reserch on the wedge pressing desification rules about the large - sized spray deposeted preforms was significant it was vital not only to the further densification of the prefoums but also to the further research on plastical deforming the research was also benefit to the industrialization an the application of the spray deposeted porous materials

    坩堝移動式噴射沉積技術作為一種先進的材料制備新技術,在制備大尺寸合金及金屬基復合材料方面具有顯著的優越。然而噴射沉積坯件特別是大型坯件通常存在一定量的孔隙,顆粒表面存在一定量的氧化膜,顆粒之間未能完全達到良好的冶金結合狀態,因此需要進行后續緻密化和變形才能獲得理想的組織和能。本文採用一種新型的楔形制工藝,即通過局部變形、多道次小變形累積實現大變形的緻密化加工方法,對噴射沉積多孔坯料進行后續緻密化和變形,很好解決了傳統加工工藝的難題,大大降低了生產成本。
  3. 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

    針對當前國內外彈基梁法存在的缺陷,基於對軟土流變的研究,採取了剪應力判斷彈狀態,以改進和完善基坑工程彈基梁法,推導了彈狀態下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狀態的方法,編制了相應的彈共同變形法分析程序dpfbm1 . 0 ( doubleplasticfoundationbeammethod ( version1 . 0 ) ) ,並採用該程序分析了縮模量、粘聚力、內摩擦角等參數變化對基坑工程的影響。
  4. The result shows that the plasticity index and the compression coefficient of the northern inshore saline soil reduce with the increase of the salt content, and the shear strength attains a limit value with the increase of the salt content

    結果表明,北方濱海區鹽漬土的指標、縮系數隨含鹽量的增加而降低,抗剪強度隨含鹽量增加出現一含鹽量界限值。
  5. The thesis had done the theories analysis in detail and built the relevant mathematics models aiming at the mechanics characteristic about the lodging of stalk, the elastic and plastic deform of stalk under the action of the transverse loads, the mechanics condition which causes stalk pushed, the relation between the speed of unit and the surface radius of ski, the relevant location between the thickness of the compressed stalk and action location of load, the relevant location between the mating device and plough, the coefficient of overturning soil under the thickness of the compressed stalk and so on. in addition, the computer aided analysis and simulating experiments in field were acted by choice

    本文對秸稈自倒伏力學特;橫向載荷作用下的莖稈彈變形與秸稈被推倒的力學條件;機組作業速度與滑撬曲面半徑的關系;秸稈實厚度與加載作用點的相對位置;配套裝置與犁體相對位置;秸稈實厚度下的翻垡系數等,進行了較詳細的理論分析並建立了相關數學模型。在此基礎上,本項研究還選擇進行了計算機輔助分析和田間模擬試驗。
  6. Through the simulation of the forming process, we can get the deformations, stress, strain, plastic flowing in sheets and the interface state under impact load and rolling load, the deformation of the sawtooth form and comparing to the initial state, the results above are expressed in computer animated way. and the effect of geometrical ( mainly different form, including 90 degree, isoceles triangle , 75 degree, and 1. 5 high and wide ), material and technical parameters on the bond strength are analyzed, also including the comparison of different sawtooth form. the optimum parameters are got

    對雙金屬復合板成型過程進行模擬,從而得到在沖擊載荷和軋輥力作用下基板和覆板的應力、應變分佈和流動變形規律,復合后的齒形的變形情況與初始齒形形成對比,以動畫的方式模擬成型過程,並分析了不同幾何參數(主要是不同的齒型,其中包括直角齒型、等腰齒型、 75度齒型、 1 . 5高寬齒型) 、材料參數、工藝參數對復合強度的影響,以及不同齒型的變形對比以及齒型對復合情況的影響,提出最優齒型、最優工藝參數,有效指導了實驗。
  7. Non linear static & dynamic finite element procedure is adopted for the true emulation of the four typical geologic profiles of the dam, and imitates to compute the each stage deformation and stress distribution from the dam fill to full water run and during the 7 degree seismic intensity, the article also imitates to compute the response to earthquake force, the excess vibration pore water pressure distribution and permanent deformation, predicting the occurrence possibility of the crac ^ plastic zone and earthquake liquefaction

    採用非線靜、動力有限元分析程序對圍壩的4個典型剖面進行了靜、動力模擬模擬,模擬計算了壩體自填築至蓄水運行和發生7震各階段壩體及壩基的變形以及應力分佈,震應力響應和震引起的超靜振動孔隙水力分佈以及永久變形。判斷了壩體和壩基中出現裂縫、區以及震液化的可能
  8. According to the practical geological model of slope, by means of the finite element analysis, from the constitutive equations of the elastoplasticity and the viscoelasticity - viscoplasticity, the process and mechanism for progressive failure of the locked segment of rockmass are quantitatively revealed and simulated during the rupture, deformation, destruction, and failure of highsteep slope rockmass, and the dynamics driving the motion of rocky landslide with violent starting velocity by high pressure water flow is dealed with

    根據邊坡實際質模型,基於彈與粘彈-粘理論的本構方程,通過有限元模擬分析,定量揭示和模擬再現了高邊坡巖體破裂、變形、破壞及失穩前後鎖固段巖體漸進破壞的機制和過程,探討了高水流作用下滑坡啟程劇動的破壞機理。
  9. In consideration of the characteristics of big pressure changes in near wellbore area of low permeability reservoirs, based on experimental result, a single well percolation mathematical model that the reservoir physical property changed with effective stress was established, equations were given for calculating the elastics and elastoplastic reservoirs under the condition of oil and water flow and an analytical equation was also given for calculating the reservoir production and bottom - hole flowing pressure

    摘要針對低滲油藏近井力變化幅度大的特點,以試驗結果為基礎,建立了考慮儲居物層有效應力變化的單井滲流數學模型,給出了油水兩相流動下的彈和彈儲層的數值解計算公式,以及彈儲層的產量和井底流解析表達式。
  10. The sedimentation compression lines, intrinsic compression lines can be normalized by a void index, then the difference of the structural clays and reconstituted clays are showed

    天然粘土的沉積縮曲線、重土的縮曲線可以用孔隙指數來歸一化,它清晰顯示出結構土和重土的內在差別。
  11. Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed

    鑒于國內外的研究把重點放在大力發展工程樁的實驗室承載力監測方法與設備、如何使土方開挖機械現代化及對周圍建築的臨測方法上,本文提出了現場利用聲波層析成像技術監測鋼砼樁內部質量的方法與程序,並得出了聲波層析成像技術是砼樁的動態質量檢測的有效手段,這對指導施有積極、現實意義;提出了綜合運用朗肯土力理論、基坑空間和時間效應影響理論來分析逆作法施工過程中基坑邊坡土體應力及應變的變化情況,指出粘土區也應考慮時間效應,並且進一步分析了基坑邊坡土體的區形成和發展,找出邊坡最不利的區域,以確定下室土體的挖掘的方式和順序,指出憑主觀臆斷與經驗來施工是不可取的;在分析、經較逆作法與大開挖順作法的下室結構體系受力情況及施工順序的不同,提出了節點處理技術;分析了逆作法施工期間樁的沉降變化原因及由此而產生的差異,並探討了解決的方法;本文還提出了環境振動對土體邊坡穩定產生影響的觀點,並分析了在環境振動影響下,土體的應力狀態及土休失穩破壞概率,並且還運用彈力學知識和數學分析的方法定量分析了下混凝土墻受力狀態,指出了被監測墻體的最大應力、應變位置。
  12. Secondly, grounded on the study of the distribution of the high external waterpressure and high geostress and the characteristic of the rock in engineering area, the paper built the elastoplastic fem numerical simulation model, and think over the procedure in tunnels excavation and the history of work of water load, and then get the relations between the different tunnels diameter, different permeability coefficient and depth of the grouting rock and the deformation, stress distribution and plastic range of the surrounding rock and support structure. finally, according to the modern design theory of tunnels construction, the particular design of country rock reinforcement and support structure are researched and presented for diversion tunnels

    接著,本文在深入研究工程區高外水力及高應力分佈規律及巖體特的基礎上,建立起高應力、高外水力作用下隧洞圍巖結構非線有限元模擬計算模型,然後考慮隧洞的開挖過程、水荷載的作用歷史,通過計算分析得出了不同洞徑、不同的灌漿圈滲透系數和不同的灌漿圈深度以及不同開挖過程與圍巖及支護結構的應力、位移和區的關系。
  13. Emform423 contains special extreme pressure additives to extend dielife and promote smooth, even floe of metal and quick, clean release of parts from the dies

    Emform423含有特殊的極添加劑,可延長模具壽命;並能形成勻順的金屬流動,從而使工件得以迅速、潔凈自模具脫離。
  14. Plastics piping systems - thermoplastics piping systems for buried non - pressure applications - test methods for leaktightness of elastomeric sealing ring type joints

    料管道系統.用於下無裝置的熱管道系統.橡膠密封環型連接件密封的試驗方法
  15. The sedimentation compression lines of natural clays, intrinsic compression lines of reconstituted clays and oedometer compression curves can be normalized by a void index, then the difference of the structural clays and reconstituted clays as well as the gradual damage course of soil structure are showed apparently

    用孔隙指數來歸一化天然粘土的沉積縮曲線、重土的縮曲線和固結儀縮曲線,可以很清晰揭示出結構土與重土的內在差別、固結儀試驗中土體結構的漸進破壞過程。
  16. The famous project of gas transiting west to east and the cross - river tunnel of huangbu river in shanghai also will be constructed with this technique, which is under the plan. among the shield tunneling methods, up to now, earth pressure balanced shield tunneling ( epbs ) is the most universal type, and it is very certain that the epbs method adopt to our country increasingly. the key factor to success in epbs is converting the muck which is lack of fluidity excavated from the cutter face to the plasticity soil. but when the shied tunneling machine advancing, it is considerably difficult to reach this requirement because of the ground soil condition, which is consist of stiff clay, silt, weathered rock, and so on

    近些年來我國城市鐵建設迅速發展,盾構施工法作為一種安全而又環保的施工方法得到了廣泛的使用,另外在黃浦過江隧道,西氣東輸的穿黃隧道等工程也在使用盾構隧道施工技術。這其中土平衡式盾構在我國的使用最為普遍,成為鐵隧道施工技術的主流。土平衡式盾構施工成功的關鍵是要將開挖面切削下來的土體在力艙內調整成一種「流動狀態」 。
  17. Abstract : the excess pore water pressure of saturated soft clay foundation caused by pile pushing is obvious. the method for calculating squeezing stress and excess pore pressure by elastic - plastic theory is deduced in this paper, and furthermore, the reasonable pile spacing by regarding the influence of both squeezing stress and excess water pressure is given

    文摘:飽和軟粘土基沉樁過程中樁土擠所引起的樁周土體超孔隙水力效應是非常顯的.本文從彈理論出發推導出沉樁過程中樁周土體擠應力及超孔隙水力的計算公式,給出了考慮擠應力和超孔隙水力影響因素的合理打樁間距的確定方法
  18. And the results show that the calculated settlement agree well with that of measured. the paper established the dynamic pore pressure models of soft soil subgrade and composite foundation, compiled the dynamic fem program of undrained effective stress method, considering the elasto - plasticity of foundation soil as well as the interaction of pavement and foundation, thoroughly analyzed the deformation characteristics of pavement and foundation, and these results are instructive for the construction of pavement or airport runway

    本文建立了軟土基和復合基的動孔經驗模型,編制了不排水有效應力動力反應分析有限元程序,不僅考慮了基土體的彈,而且考慮了道路結構與基的相互作用,比較全面分析了交通荷載作用下道路與基的整體變形特,對道路工程或機場道面工程的建設具有一定的指導意義。
  19. Based on unified strength theory, the boundary line equation of surrounding rock mass plastic zone under non - uniform stress field was deduced, and it can be used to pre - estimate the dimensions and shapes of underground tunnel ' s plastic zone with different coefficients of horizontal pressure

    摘要基於統一強度理論,推導出非均勻應力場的巷道圍巖區邊界線方程式,可用於預測不同側系數時下深埋隧洞的區大小及形狀。
  20. By adopting the calculating analysis method of elastic - plastic three - dimensional fem numeric simulation, this paper makes a simulation analysis on the structure stability of the shallow cover and unsymmetrically loaded parts in tongyoushan tunnel, mainly simulates the effects caused by different construction orders on surroundings and supporting structure stability, and it centers on the analysis on the weak part, the midwall in the lining of the connecting - arch tunnel

    摘要採用彈三維有限元數值模擬計算分析的方法,對桐油山隧道淺埋、偏段結構穩定進行了模擬分析,主要模擬了不同施工順序對圍巖及支護結構穩定的影響,重點對連拱隧道整體襯砌中的薄弱環節中墻進行了分析。
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