結構分裂 的英文怎麼說
中文拼音 [jiēgòufēnliè]
結構分裂
英文
structure clash- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 裂 : 裂動詞[方言] (東西的兩部分向兩旁分開) open
- 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
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Inorganic anti - cracking reinforced chemical additive, called wj, generates some tittle expansive crystals in hydration process in concrete to reduce the porosity and improve the distribution of pore size. the expansive power is process in common to tumefaction that petty crystalloid aft suck water and pressure to concrete pores that aft crystal gather volume. its adding weight was 8 % - - 12 % in cement, its restrained expansive ratio was about 0. 02 % - - 0. 06 %, and relevantil brought self - stress 0. 2mpa ?. 6mpa
無機增強抗裂材料wj摻入普通混凝土中,在水化硬化過程中生成一定量的微膨脹結晶體,降低空隙率,改善混凝土中孔結構分佈。其膨脹驅動力是凝膠尺寸的晶體鈣礬石吸水腫脹和結晶狀鈣礬石對孔隙產生膨脹壓的共同作用。當wj摻量為8一12兒在鋼筋和鄰位的限制下,使混凝土產生0Based 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斷裂有限元程序( dl08p4 )基礎之上,本文用fortran90語言編制的二維損傷-斷裂有限元程序包,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裂縫的發展規律,考慮了混凝土結構體內存在著初始損傷和同時存在的拉、壓損傷,並且採用更為合理的具有損傷含義的混凝土二維本構關系(即正交異性損傷模型中的本構方程)和指數函數模型建立的並可進行拉、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。This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and
本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是:根據光學玻璃的物理與化學性能,選擇輕型鏡坯材料;用有限元法對鏡子的變形進行分析、計算,找出變形規律,優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構;分析玻璃切削原理,設計專用磨輪結構,選擇合理工藝技術參數,完成400mm平面鏡輕量化減重孔的加工;分析氫氟酸腐蝕光學玻璃機理,尋找最佳酸濃度、腐蝕作用時間等工藝參數,實現400mm平面鏡減重孔應力與微裂紋的消除;討論分離器加工原理和工藝技術特點,完成400mm平面輕型鏡面形加工。In the view o6f micro mechanics and fracture mechanics, the mechanism of crack generation of mass concrete is expatiated, thermal stress on the interface between aggregate and cement paste of concrete and crack forming and developing is analyzed and the disciplinarian crack developing with temperature is given
本文從微觀力學和斷裂力學的角度,探討了混凝土結構開裂機理,分析了溫變過程中混凝土骨料與水泥砂漿界面上的溫度應力以及界面裂紋的萌生和擴展,給出了裂縫隨溫度變化的擴展規律。Simultaneity, through contrast analysis validate that antiseimic capacity of expansion web is better than that of steel web. therefore, based on the experiences summed up by precedence, the formulation for calculating the crack load and limit load of brick masonry house reinforced by expansion web is advanced, which provides project reference. based on the analysis and studies of masonry shearing strength, test of prestressed single brick masonry wall, and test of prestressed brick masonry house models, and ect, the article has carried through several aspect research as below : 1. a series of experiment on material capability of expansion web, including intensity of single thread and expansion web, ect ; 2. research on influence of loading and destroy of masonry brick building reinforced by expansion web under lowcyclic loading ; 3. study of impact of expansion web on ductility, energy dissipation, intensity, ect under the same situation as above ; 4. put forward computation formulation of masonry brick building reinforced by expansion web
本著以上的研究目的,本文在分析和借鑒前人砌體抗剪強度理論、預應力單片墻試驗研究、預應力模型抗震性能試驗研究等基礎上,進行了以下幾方面的研究工作: 1 .作為一種新型結構材料擴張網,進行了一系列的材性試驗(單絲強度、網片強度和在砂漿中被約束條件下的網片強度及其相應的彈性模量) ; 2 .研究了水平荷載往復作用(低周交變)下,普通鋼絲網和擴張網砂漿對砌體結構抗裂及承載能力和破壞形態的影響,並將這兩種材料的加固效果進行了對比; 3 .上述狀態下,兩種網片水泥砂漿對砌體結構變形、延性、耗能、剛度退化等抗震性能的影響及其影響效果的比較; 4 .提出擴張網水泥砂漿加固砌體結構的抗剪強度計算建議公式。Different taxation level influence social structure change, in case exist the third part protection, may alter the prompting structure of act individual. social colony split into myriad small social colony according to market structure, accelerate the flow among estates
一旦存在第三方的所有權保護,將改變行為個體的激勵結構,社會群體依據市場結構分裂為無數個小社會群體,促進階層間的流動。The share ownership structure of china ' s listed companies is unreasonable in many parts. first, it is dominant that only one stockholder held more than 50 %. of shares in one company, which, is usually the state enterprise
中國上市公司股權結構存在著很多不合理的因素,主要集中在四個方面:股權高度集中,造成大股東的霸權;產權結構單一,國有股一股獨大;流通結構分裂,三分之二的股權不能流通;經營者持股比例低,不利於對經營者的激勵。Then an integrated application program including some functional modules such as residual strength analysis, crack growth analysis, principle structure elements database management, material properties database management etc, with friendly interfaces and favorable windows styles, is developed by using these classes. finally all of the typical structures described in the " damage tolerance design handbook " have been analyzed
在此基礎上研製了具有友好界面和良好windows風格的損傷容限分析與評定應用程序,並完成了《設計手冊》中給定的全部典型開裂結構的實例化,實現了對這些結構的裂紋擴展分析和剩餘強度分析。Rkpm a structural analysis with crack problems by reproducing kernel particle methods
含裂紋體結構分析中的再造核質點法Two statuses of the cracks are assumed under dynamic loading : completely open and completely closed during structural vibration. the structural cracked zone can be simulated by nonlinear element whose stiffness is relative small when the cracks are open and equals to structural virgin stiffness before cracking when the cracks are closed during structural oscillation
結構的開裂區域可以用非線性單元來模擬,這樣的非線性單元具有這樣的特點:當結構的裂縫處于張開狀態下,其剛度比較小,當結構的裂縫處于閉合狀態下,開裂部分結構的剛度等於結構開裂前的剛度。The second part concerns about the fracture analysis of cracked metalic structures. the last part investigates the behavior of impact dents on aircraft windshield glass and their possibility to be analyzed using fracture mechanics. in chapter 1, a review is made to the resent developments of cumulative damage models and fatigue life prediction methodology of composite laminates
本論文研究飛機結構疲勞和損傷容限分析中的若干問題,按研究的對象(材料、結構)可以大致劃分為三個組成部分:復合材料層壓結構疲勞分析,第一章第三章;金屬結構斷裂分析,第四、五章;座艙蓋玻璃撞擊損傷的斷裂分析,第六章。Probability analysis of rupture damage of concrete structure
混凝土結構斷裂損傷的概率分析In the paper, through the example of the waiting hall of xt an international airport, several main questions meet in the design have been discussed, analyzed and solved, which include in negative friction force around pile in collapsible loess, the calculating method of bearing capacity of pile. the crack control methods of analysis and design in the super - length reinforced structure have been tested in the project, and reached the effect to be hoped
本文通過西安咸陽國際機場新航站樓工程設計的具體實例,分析、論述了建築結構在設計中遇到並解決的幾個主要問題:如自重濕陷性黃土場地樁基負摩阻力問題;淺層土雖經強夯但下層土仍有可能產生負摩阻力時樁的承載力計算方法;對鋼筋混凝土結構的裂縫控制實現超長設計的分析和設計對策,經過工程驗證,達到了預期的效果。Secondly, the producing mechanism of crack in reinforced structure and factors which affect crack have been discussed, in the emphasis, the method is expounded, which applies first releasing then resisting, combination of releasing and resisting. in the method, flexible slit is applied firstly, which can make deformation of structure distributed, and decrease deformation energy, then the tiny expansion concrete and prestressed concrete with unbonded tendons are applied. and in the different phase, the compressive prestress is put on the concrete structure
其次,分析並論述了鋼筋混凝土結構裂縫產生的機理和影響因素,著重闡述了「利用先放后抗,抗放結合,綜合控制」的方法:即首先利用后澆帶,使混凝土結構分段變形,減小超長變形的影響;並採用微膨脹混凝土技術及無粘結預應力混凝土技術,分階段對混凝土結構施加一定的預壓應力,從而減小或完全抵消混凝土結構因混凝土硬化收縮引起的拉應力;再結合一些其他措施,成功實現鋼筋混凝土結構的超長無縫設計與施工。In order to accelerate the development of preflex composite beam in railway bridges and to design and construct preflex composite beam bridges of railway in our country reasonably, this thesis is from the scientific project of railway department " experiment and application research of railway preflex composite beam " and summarizes the design information and practical projects on preflex composite beam. on the basis of above works, this thesis improves computation method in analysis of railway preflex composite beam on sectional stress, deflection of mid - span, crack width and shearing resistance and programs a software " preflex composite beam bridge structure analysis system - pfsas ", which is adapt to railway bridges in our country. moreover it makes a primary research in construction techniques and structure measures
為了迅速促進預彎組合梁在我國鐵路橋梁中的發展,合理地進行我國鐵路預彎組合梁橋的設計和施工,本文結合鐵道部科技研究開發項目「鐵路預彎組合梁的實驗與應用研究」 ,在總結以往對預彎組合梁力學性能研究成果及實際工程的基礎上,完善了鐵路預彎組合梁的截面應力、跨中撓度、裂縫寬度和抗剪分析的計算方法;編制了適用於我國鐵路橋梁的「預彎組合梁橋結構分析系統? ? pfsas 」軟體;並對預彎組合梁的施工工藝及構造措施進行了初步探索。In the second part of chapter two, the form and classification of crack is discussed in detail, reducing the formulae of the crack ' s spread velocity, controlling the forward spreading of the cracks based on the theory of rupture mechanics
在該章的第二節中,對起重機金屬結構的裂紋形式和分類進行比較詳細的描述,同時應用斷裂力學的知識,推導出裂紋擴展速度公式,控制裂紋的進一步擴展。According to the theory of fracture mechnics and damnification mechnics, the author put forward a entire way of calculate and administration to control the portal crane flaw sprouted and extended
我們研究以斷裂力學和損傷力學為分析基礎,對起重機結構的裂紋控制提出了一套完整的計算和管理方法。This paper analyzes and designs the big - space rc thin shear wall residential structure, ! ! includes designs and analysis for shear walls by method of material mechanics and related software, columns, it is designed and analyzed for beams and slabs by theory of elastic and method of moment index, but it is principal for beams and slabs to compute deformation and crack. at last it is compared with three structrual types, although the cast of new structrual types is higher than marnoey structre. it has some merits. lt gives the theory base for design of resident
本文對大開間鋼筋砼薄壁剪力墻節能住宅結構進行了相應的結構分析設計;對豎向承重結構構件剪力墻、柱採用了材料力學分析方法及相應的軟體進行了內力分析及設計;對水平承重結構構件梁、板進行了內力分析及設計,主要進行了變形、裂縫的計算;對節能墻體進行設計;最後對三種住宅結構形式進行了建築經濟比較分析,雖然新型住宅結構高於磚混結構住宅,但新型住宅結構具有一些優點。Study on the strata and fracture features of surrounding - rocks and the bolting effect in actual mining roadways
回採巷道圍巖結構與裂隙分佈特徵及錨桿支護機理研究Abstract : in this paper the mathematical model for shape optimization of arch dam subject to crack - depth constraint is estabilshed and the super finite element method ( sfem ) for arch dam cracking analysis is used as the re - analysis method. the research findings on xiaowen arch dam show that the shape optimization of arch dam subject to crack - depth constraint may further help reduce the volume of dam
文摘:本文引進裂縫深度約束條件,研究了拱壩開裂條件下的體形優化設計問題.結構分析採用超級有限單元法,既能有效控制計算規模又能方便地反映結構開裂的局部特性.對小灣拱壩和溪洛渡拱壩進行的優化設計研究表明,在優化過程中允許開裂並考慮開裂約束條件,可以更好地挖掘拱壩潛力,進一步減小壩體混凝土方量分享友人