plane strain 中文意思是什麼
plane strain
解釋
倒角應力-
The relation of ?to the average value of may be assumed to lie between the aforementioned relations for uniform plane stress and uniform plane strain.
而和平均值的關系式可以認為處于上述的均勻平面應力和均勻平面應變的兩個關系式之間。 -
During the previous analysis of asphalt pavement structure with cracks, the stress intensity factors were usually calculated approximatively using plane strain model for some limitation. however, the assumptive load of this model is not coincident to the practical load
在以往分析含裂縫的瀝青路面結構時，由於條件的限制，通常是假設瀝青路面結構近似為一平面應變模型，但是這種模型所假設的荷載與實際作用的荷載有較大的區別。 -
The accepted designation for the plane-strain fracture toughness under these environments is this.
在這些環境下平面應變斷裂韌性所採用的符號是這個。 -
A plane strain apparatus capable of measuring local strain and its application to experimental study on clay
局部變形量測的平面應變儀及其對粘性土的試驗研究 -
Variational analysis on therm - elastical stresses of plane strain problem of thermal barrier coating structure in laser radiate
激光輻照熱障塗層中平面應變問題的熱彈性變分分析 -
The method for measuring the plane strain fracture toughness klc has been introduce to high polymer bonded explosives ( pbx ) by systematically studying technologies concerning the shape of specimen, the depth and its machining of crack, the loading rate, the measurement of critical fracture load, and the computation of klc, etc. the method has been used to test and study klc of three typical high polymer bonded explosives which are j2, jl, j3 respectively both at normal temperature and unmoral temperature
本文以高聚物粘結炸藥為研究對象，對測試高聚物粘結炸藥的平面應變斷裂韌度所涉及的樣品形狀、裂紋深度及裂紋制備、加載速度、臨界斷裂載荷p _ q的確定及平面應變斷裂韌度k _ （ ic ）的計算等方面進行深入研究，建立了較為完善的炸藥平面應變斷裂韌度測試方法。 -
By direct shear for and normal triaxial shear tests of non - saturated desert sand, the parper studied the effect of water content and dry density on the strength of the non - saturated desert sand, and set up the code of this sand. based on the plane strain test of non - saturated desert sand slope, the paper analysed the destruction way of the excavaion side during the construction by means of adding water, and brough forward a formule that calculates the allowable of excavation and pile hole
通過非飽和沙漠砂直剪試驗和常規三軸剪切試驗，研究了含水量和干密度對非飽和砂強度的影響，建立了這種砂的強度準則。通過非飽和沙漠砂邊坡室內平面應變試驗，分析了沙漠井場浸法施工中就基坑壁的破壞方式，推導出了基坑和樁孔容許開挖深度的計算公式。 -
In the first part of this dissertation, theory of fracture mechanics of the frozen soil has been presented. a general strength theory based on fracture mechanics was proposed, and the validity of the theory using in frozen soil was discussed. the fracture toughness values for different kinds of cracks extension were determined, such as the plane strain fracture toughness for mode i cracking ( kic ), fracture toughness for mode cracking of frozen soil and the intersection of frozen soil and concrete
論文第二章為凍土斷裂力學的基本理論，包括斷裂力學在凍土研究中的工程適用性、條件適用性、平面應變斷裂韌度測試的適用條件等，給出了凍土斷裂韌度k _ （ c ） 、 k _ （ c ） 、 -型復合斷裂測試的基本原理及試驗方法，並基於weibull脆性破壞理論推導了凍土三點彎曲試樣k _ （ c ）尺寸效應系數，為後面的工作提供理論基礎。 -
Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles, namely, cavity expansion method, strain path method finite element method, slip line method and calibration model test. after analysis, it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis. after spatial closed - form solutions are obtained for soil movements, stresses and initial excessive pore pressures generated durihy pile penetration are found out. it is suggested that finite element analysis together with centrifugal model test be used in verifying the results
文摘:在分析飽和粘土中靜壓樁的貫入機理的基礎上，對靜壓樁沉樁分析的圓孔擴張理論、應變路徑法、有限元分析、滑移線理論和模型槽試驗等五種方法逐一進行評述，並提出在傳統的平面圓孔擴張理論基礎上加以改進，採用準靜態空間軸對稱方程組對靜壓樁貫入過程進行模擬，從而得出土體位移、應力、初始超孔壓的空間解析解，同時採用有限元分析、模型槽試驗相互印證的研究方法 -
Test method for plane - strain fracture toughness and strain energy release rate of plastic materials
塑料平面應變裂縫強度和應變能量釋放速率測試方法 -
The domestic and abroad research about retaining structure with double - row piles is summarized, and its disadvantages are shown in this paper. two - dimensional nonlinear plane - strain fern analysis, which emphasizes the pile - soil interaction, is developed for portal water injection sheet piles with the software ansys
本文在總結國內外對雙排樁支護結構的研究現狀的基礎之上，結合通用有限元軟體ansys ，對門架式水力插板樁進行了二維非線性平面應變有限元分析，就其中的關鍵問題? ?樁與土的共同作用進行了研究。 -
In other words, the process of analyzing relaxation zone related to one safety factor can also be regarded as the process of searching potential slide surface related to the same safety factor. elastic wedge model is used for analysis of relaxation zone of cutting homogeneous slope. on the basis of elastic plane - strain theory, the relaxation zone can be calculated according to mohr - coulomb or drucker - prager law and single tension intensity principle which are both related to one safety factor after three - dimensional stress field of the cutting slope is got
提出均質邊坡開挖鬆弛區可以用彈性理論中的楔形體理論分析，在平面應變問題的基礎上得到開挖坡體的三向應力場之後，可運用考慮安全儲備后的強度條件（主要為摩爾?庫侖或德魯克?布拉格強度準則和單軸抗拉強度準則）解析坡體分步開挖過程中的鬆弛區范圍，給出了具體的計算步驟，並通過算例較詳細地說明了操作過程。 -
Based on the results of testing site, some problems of vacuum preloading was analyzed by plane strain finite element method. the relative stable seepage velocity field can be produced with the pumping time. the depth of negative pore - water pressure transferring increases with the pvds length
最後，對真空聯合堆載預壓的施工工藝進行了研究，提出了在真空聯合堆載預壓的中期，出水量已相對較少，可適當減少開泵量，並可採用停抽結合的變真空能量法，在不影響加固效果的前提下，可以大大節省用電量。 -
They can be perfectly applied in engineering, because they are described only by two elementary parameters of the material : the tensile strength oc and the plane strain crack toughness km.
這些準則均基於兩個基本材料參數：抗拉強度_ o和斷裂韌度足k _ 10c ，因而，便於工程應用。 -
According to the special stratum condition 、 soil parameter 、 pile frame system in the protecting landslide of hongtian jianfeng in yongan city in fujian province, compile a fem program of plane strain and analyze the interaction by nonlinear fem on intensity discount. in the program, duncan - chang model is applied to earth, elasticity model is applied to pile and rock ; goodman element is set between pile and rock - earth and applied to simulate sliding plane and flexible floor ; sequential pole elements with original stress are applied to anchor cable
在程序中土體採用了duncan - chang雙曲線本構模型，樁和錨固層以下的巖體採用了線彈性本構模型，並且在樁和巖土體間設置了無厚度的古德曼（ goodman ）單元，對于軟弱夾層和已知的滑裂面也採用古德曼單元模擬，錨索採用的是具有初始應力的連續桿單元模擬。 -
( 3 ) according to the principle of equality of consolidation degree, an equivalent method of converting vertical drain to layered soil was proposed, and we can use plane strain fem to analyze ground with vertical drain via translating it to layered soil foundation
（ 3 ）根據固結度等效的原則，提出了與單井固結理論等效的成層均質地基等效滲透系數計算方法，從而將復雜砂井地基轉化為無砂井成層地基，可用於平面應變有限元簡化計算。 -
Standard test method for time - to - failure of plastics using plane strain tensile specimens
使用平應力拉伸樣品測定塑料老化時間的標準試驗方法 -
To know the rupture course and rupture range, we simulated the process of rupture on the overlaying soil with soft interlayer by plane strain finite element method in this paper
摘要為了了解軟夾層對基巖上覆土層破裂的影響，確定土層的破裂范圍，採用平面應變有限元法，模擬了有軟夾層的上覆土層在斷層錯動時的破裂過程。 -
Computer simulations in the plane strain state were performed on a model of a homogeneous tissue embedded with a circular hard inclusion and on a model with continuously varying tissue moduli, respectively
對平面應變狀態下的均勻組織內含一圓形異物的模型和彈性模量連續過渡的模型分別進行了計算機模擬。 -
Based on the model of for the first time, the coupled model of csbcs and soil considering the interaction between them was established in this paper, in which csbcs was simplified into the arch structure with fixed support and problem of plane strain
本文按照耶梅里楊諾夫模型的思路，首次建立了波紋鋼板橋涵和土的耦合作用模型，將波紋鋼板橋涵簡化為固支拱結構，按平面應變問題進行計算。
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