混合型斷裂 的英文怎麼說

中文拼音 [húnxíngduànliè]
混合型斷裂 英文
mixture cracking
  • : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : Ⅰ動詞1 (分成段) break; snap 2 (斷絕;隔斷) break off; cut off; stop 3 (戒除) give up; abstai...
  • : 裂動詞[方言] (東西的兩部分向兩旁分開) open
  • 混合型 : mixed type混合型卷煙 blend type cigarette; 混合型制劑 slurriable combination
  • 混合 : (攙雜在一起) mix; blend; mingle; admix; mixture; mix up; interfusion; commixture; blending; cre...
  • 斷裂 : break; disrupt; flying off; fracture; fragmentation; out break; rift;crack;bursting;rupture;rendi...
  1. The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore

    第一章回顧了孔結構在當今國內外的研究現狀,包括凝土測孔方法的研究、孔結構模的研究及孔結構與強度關系的研究現狀,介紹了孔結構研究方面的一些最重要的成果;第二章敘述了凝土材料細觀結構的多尺度性及凝土材料測孔技術的原理,並討論了水泥基多孔材料孔隙分析中常用的表徵參數,也說明了壓汞法測孔對研究結果的影響因素,指出了壓汞法在孔結構研究中的局限性;第三章是著重分析了孔隙率與強度關系模的發展歷程,並對已有的模進行了比較分析,指出了原有模的不足之處;第四章在「綜集成」的基礎上,提出了凝土孔結構復體模和孔系統的物理模,並模擬了該模下由各單體並聯形成的復體的過程,最後根據所建模編制了相應的計算程序,可根據輸入的孔徑分佈與水泥含量等參數,實現凝土理論強度的計算;第五章對第四章模中出現的模參數進行了相應的試驗數據對比分析,根據回歸分析的方法得到了反映基體強度特徵的k值,並從理論上探討了水泥含量、彈性模量和表面能的修正對凝土強度計算產生的影響,檢驗模的正確性;第六章是結論與展望,根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。
  2. 2. because the fracture mode of 3d braided cmc is the interfacial fracture of mode i and mode ii, energy release rate gc and complex stress intensity factor kc was designated as characterization parameters of fracture toughness in the linear fracture theories. 3

    根據三維編織c sic復材料韌性的表徵問題屬于線彈性理論范疇以及材料模式是界面損傷破壞模式的實驗研究結果,提出了該材料的表徵參量應該使用與界面相關的的能量釋放率g _ c ,或者使用復應力強度因子k _ c 。
  3. Based on the fem program on fracture of plane structure developed by professor fu xiaoling of ho hai university, a two demension damage and fracture finite program package which is programed in fortran 90 language is developed. the paper adopts the plane - eight - nodes isoparameters element and compute the developing law of the damage and macro - damage of plane structure under load. considering the original damage and tension and compression damage at the same time, the paper adopts the more reasonable concrete constitute relation of two demension and exponent function model

    在河海大學符曉陵副教授所編制的平面結構有限元程序( dl08p4 )基礎之上,本文用fortran90語言編制的二維損傷-有限元程序包,程序採用平面八結點等參數單元分析計算平面結構在外荷載作用下損傷及宏觀縫的發展規律,考慮了凝土結構體內存在著初始損傷和同時存在的拉、壓損傷,並且採用更為理的具有損傷含義的凝土二維本構關系(即正交異性損傷模中的本構方程)和指數函數模建立的並可進行拉、壓損傷可比性換算的損傷演變方程,較為真實地反映了實際情況。
  4. A general consensus exists related to the influence of slow crack propagation ahead of the crack tip upon the nonlinearity observed in the typical load - deflection response of the concrete specimen, namely, concrete exhibits somewhat quasibrittle behavior, which has been verified by the inapplicability of the conventional linear elastic fracture mechanics ( lefm ) and fracture models suitable for metal - like materials

    現在已經意識到,凝土在其典的位移曲線中呈現出的非線性特徵是由於縫在端部的緩慢擴展引起的,可以認為是凝土的一種半脆性性能。這是在發現傳統的線彈性力學( lefm )和適金屬類材料的不適用於凝土研究時得出的結論。
  5. This difference is caused not only by maturity but also by source rock. natural gas in baimiao area is mainly derived from tertiary source rock and carboniferous permian formation in qianliyuan sag, which is near the high point on lanliao fracture belt

    白廟地區天然氣主要來源於前梨園窪陷第三系烴源巖和石炭?二疊系煤系地層,靠近蘭聊帶構造高點,淺層es _ 2 ~下? es _ 3 ~ 2氣層具有較高的ar ~ ( 40 ) ar ~ ( 36 )比值,為煤氣及氣。
  6. Through field investigation and analysis indoor, with studying all hydrochemistry data in detail, including macro components and micro components, the author finds out the hydrochemistry feature of ground water. for further specifying the ground water system, with cluster analysis of macro components of surface water and ground water in total 147 samples and the analysis of micro components, including ree, the main ground water systems are distinguished by and large, especially the ground water system main of fault no. 7 and fault no. 15 water bearing belts which have differences at macro and micro components between the two ground water systems, moreover, the main hydrogeochemistry effects are established such as lixiviation, oxidization, precipitation and mixing effect, especially the mixing effect which result in the complexit y of the hydrochemistry of deep bearing tectonic fracture water. based on them, the hydro geological model of upper dam base is established, meanwhile the author summarizes the hydrochemistry feature of weathering crevice water, surface tectonic crevice water and deep tectonic crevice water

    為此,本文以大崗山壩區水文地球化學問題為研究對象,通過野外調查和室內分析,詳細的研究了壩區水化學資料,包括宏量組分、微量組分,查明了壩區地下水水化學特徵,對採集的147個地表及地下水樣的宏量組分進行聚類分析,結微量元素,稀土元素的研究,並應用二氧化硅地熱溫標確定了深部構造隙水的熱源深度,基本區分了壩區各個主要地下水水系,特別是以f7 、 f15含水帶為主的地下水系,它們的宏量組分、微量組分以及稀土等方面均存在差異,以此為基礎,結壩區水文地質條件,建立了壩區的上壩址的水文地質模,同時通過分析了壩區花崗巖區的水化學資料,確立了壩區主要的水文地球化學作用,分別為:溶濾作用、氧化作用、沉澱作用、以及作用,作用是導致深部承壓隙水水化學復雜的主要原因,並總結了壩區風化隙水、淺部構造隙水、深部構造隙水的水化學特徵。
  7. The research of high performance pavement concrete ( hppc ) is done in two sides. one is mixture design, the other is pavement performance. the mixture design and design flowchart of hppc is given on the base of nc with the consideration of characteristic of both hppc and nc. the grow law, influencing factor and formation mechanism of hppc strength is analisised by perpendicular experiment. in the same, the fatigue equations are set up for hppc and hppc i on the base of fatigue experiment. the fatigue mechanism of hppc is analysised by damage mechanics and fracture mechanics. brittleness, frost resistance and abrasion resistance of hppc is researched with the camparition to nc i. at last, the economic analysis of hppc is done by two kinds of way

    高性能凝土與普通路面凝土的特點,提出了建立在普通路面凝土基礎上的高性能路面凝土配比設計方法,給出了設計流程;通過正交試驗(強度試驗) ,分析了高性能路面凝土的強度發展規律、影響因素與形成機理;同時,根據疲勞試驗結果採用雙參數weibull分佈模分別建立了高性能路面凝土和高性能路面凝土(沒有摻加硅粉)疲勞方程,應用損傷力學和力學,分析了高性能路面凝土的疲勞機理;並採用了對比分析方法,研究了高性能路面凝土的脆性、抗凍性和耐磨性等。
  8. Combining the fracture toughness test results of rcc specimens with the existed size effect formula for fracture toughness of common concrete, the suitable size effect formula fur fracture toughness of rcc was gotten on the comparative of results of the computation models

    將碾壓凝土韌度試驗結果與已有的普通凝土韌度尺寸效應公式結,通過對幾種模的計算結果的分析比較,得到了碾壓凝土所適用的韌度尺寸效應公式。
  9. The fractorgraphy analysis show that in the layer rich in w and mo, the feature of fracture is brittle fracture which follow the bordline of crystal. in sections rich in the felt metal, the feature of fracture is ductile fracture. in w - mo layer, the feature of fracture are brittle fracture and some ductile fracture

    口形貌特徵研究表明,富w區、富mo區主要為沿粒界脆性;粘結金屬發生韌性; w - mo區為顆粒的沿粒界脆性和粘結相的韌性混合型斷裂;富ti區為典的穿晶解理; mo - ti區以穿晶解理為主,顆粒邊界表現出準解理特徵。
  10. Finally, the fracture behavior of the wedge pressing stock under different temperatures was studied. as a result, the wedge pressing under 450 could avoid the step on the surface of the stock and

    室溫拉伸微觀口為韌窩和撕韌性口,材料屬延性
  11. As we all know that damage constitutional law of concrete is fit for solving mass little cracks situation, that fracture mechanics model is fit for solving only a few cracks situation, that separate crack model is only fit for dealing with those cracks whose locations is known firstly. but these situations do n ' t reflect the crack characteristic of the steel liner - reinforced concrete penstocks of the three gorges. so, this paper adopts the smear crack model to simulate crack

    基於損傷力學模更適解決成群微縫問題,力學模更適解決少數縫情形,離散縫模式只能解決縫位置預先知曉的情形,這些都不符三峽水電站鋼襯鋼筋凝土引水壓力管道的縫特點,為此本文採用彌漫縫模式來進行縫的數值模擬,該縫模式能解決縫位置預先不知曉的情形,且能連續分析而無須重新劃分網格。
  12. With the designing and building of yichang yangtse river highway bridge, a single - span suspension bridge with main span of 960m, some technical problems such as the layout of structural system of the suspension bridge, the type of cross section of stiffening steel box girder, the structural system of the anchor and the cracking - resistant techniques of the bulky concrete anchor have been studied in the present thesis. some valuable conclusions have been achieved that provided a substantial support for the successful completion of the bridge. the thesis contains five chapters

    本文以湖北宜昌長江公路大橋(主跨為960m的單跨懸索橋)的設計與施工為背景,對大跨懸索橋設計與施工中的若干問題如懸索橋結構的理布置、加勁鋼箱梁式的理選取、錨碇結構的理確定以及錨碇大體積凝土設計與施工的綜技術等進行了研究,取得了一批富於實用價值的研究成果,為宜昌長江公路大橋的順利建成提供了卓有成效的技術支持。
  13. Under the tensile stress, the fracture mode of za27 alloyed with si or mn is a mix type fracture - the plastic fracture and the brittle fracture are coexistence. cracks are mainly stemmed from brittle phases of si and mn and develop along the grain boundary

    適宜的加錳量為0 . 4 - 0 . 8 ;在拉伸應力作用下加入si或mn后的za27 ,金的均為混合型斷裂,既有塑性,也有脆性
  14. Aiming at the simulation of quasi - brittle fracture of concrete - like materials, the qualitative comparison of the selected models was focused on the follow aspects, i. e. the simulation of the fracture behaviors of crack mode and crack mode by use of the selected models and the simulation of dilatancy properties of the selected models under mixed - mode fracture loading conditions

    在對選擇的典黏性界面紋進行定性分析比較時著重考慮以下兩點:採用選擇的模紋和紋的行為進行數值計算;對混合型斷裂載荷作用下模的擴容行為特性進行數值分析。
  15. Two different reinforcing methodologies are applied : modification of the overlay characteristics by adding chopped glass fibers to the hot mixture asphalt ( hma ) and reinforcing asphalt overlay with glass grids. theory of fracture mechanics ( fm ) is employed to determine crack growth rates for the suggested anti - cracking overlay systems. asphalt mixture designing tests, three point bending tests and fatigue crack propagation tests were carried out. the critical stress intensity factors kic are determined for plain and reinforced asphalt concrete. depending on the fatigue crack propagation, the crack growth rate is determined for each type of anti - cracking system and the cracking process is also analyzed. one of the significant points in this study is the attempt to give better understanding of the crack propagation for multilayer asphaltic overlay or what are suggested herein to be called composite structure anti - cracking overlay system. the results indicate that the reinforcing materials improve anti - cracking characteristics of the asphalt concrete. composite structure anti - cracking overlay gives a good solution for the reflective cracking phenomenon over old cracked pavements

    利用2種不同的方法加筋瀝青罩面:在瀝青料中加入短切玻璃纖維改善瀝青凝土的特性,採用玻璃格珊加筋瀝青凝土.應用力學方法分析瀝青路面縫擴展機理.採用瀝青料設計試驗、三點彎曲試驗和疲勞縫擴展試驗,確定加筋瀝青凝土的臨界應力強度因子kic ,測量每一種瀝青罩面抗系統的縫擴展速率.本研究的主要特點是提出復罩面系統,分析了多層加筋瀝青罩面縫擴展過程,推薦了若干瀝青路面抗系統.結果證明,加筋材料可以提高瀝青罩面的抗特性,復罩面系統能夠有效地阻止反射縫的擴展
  16. ( 6 ) the abnormality criteria of fracture mechanics are employed to diagnose the abnormality of the crack, and the inversion of the concrete fracture roughness is studied. the space prediction model of the anomalous load is presented using neural network. the load surface of stress intensity factor and its corresponding plane is given and employed to diagnose and predict the abnormal load of the crack

    ( 6 )應用力學理論,對縫轉異進行診,並探討了凝土韌度的反演分析方法;建立了反映荷載組與應力強度因子之間關系的神經網路模,反饋分析縫的轉異荷載,在此基礎上,研製了應力強度因子的三維荷載曲面圖以及相應的二維平面圖,提出縫轉異荷載的空間預報模;並通過實例驗證。
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