裂斷面 的英文怎麼說
中文拼音 [lièduànmiàn]
裂斷面
英文
plane of rupture-
The large bowlder surface of dinner table must be uplifted vertically in avoidance of breakage. the small one shall also be held vertically instead of horizontally
大面積的餐臺玉石面,必須豎抬,避免餐臺斷裂。小面積的玉石面也應豎拿,切忌平面橫抬橫拿。The state of knowledge about fracture surfaces is very meager.
有關斷裂表面的知識非常缺乏。The fracture surface traverses matrix as well as fibers and interface.
斷裂表面橫切過基體、纖維和界面。According to the spread of nappe and relation between the nappe and depression, oblique - thrust fault zone was divided into three parts in this paper : sertengshan, lvliangshan and xitieshan. ( 3 ) according to macroscopic characteristics of fault zone, cleavage characters of fault zone, drag folds, the reverse " s " fold in the footwall, positive flower structures and small left strike - slip fault, the kinematics characters of fault zone of sertengshan - xitieshan are concluded : thrusting in section, left - slip fault in plane and the strike - slip displacement increasing from the west to the east
( 3 )根據斷裂斷裂帶的宏觀特徵、斷層帶劈理特徵、斷裂帶附近的牽引褶皺和斷層下盤的平面反「 s 」型褶皺以及斷層上盤剖面正花狀構造和平面左行小型平移斷層,認為賽什騰-錫鐵山斷裂帶運動學主要表現為剖面上的逆沖、平面上的左行走滑特點,並且走滑量具有自西向東增大之勢。A segment of the box corner was removed with a hole saw in order to permit an examination of the crack.
為了對裂紋進行檢查,用圓孔鋸從箱型斷面拐角處鋸下一部分。Three kinds of fracture facet of a high nitrogen bearing austenitic steel in low temperature brittle fracture
高氮奧氏體鋼低溫脆斷中的三種斷裂刻面Through the research and analysis on the three aspects concerning the base interface of the pavement panel, crack accumulation, expansion in the pavement panel and interaction between spring plates on the road surface as well as its damage on the road fatigue, it is first brought forth that the process of fissures and breakage in the cement concrete pavement can be divided into three stages, i. e. stage of initial crack formation and damage in the bottom of the pavement slab, stage of accumulation, intensifying & expansion in ruptures from load during the time of use and stage of fissures & breakage in the pavement
通過對路面板底界面開裂、路面板中裂縫積聚、擴展和路面表面車板相互作用及其對路面疲勞破壞的影響等三個層面的研究和分析,首次提出水泥混凝土路面的開裂和破壞過程可以分為三個階段,即路面板底初始損傷西南交通大學博士研究生學位論文第11頁和早期裂縫的形成階段、使用期間荷載作用對路面造成的開裂損傷累計、加劇和裂縫擴展階段以及路面斷裂破壞階段。Scale effect on fractal measurement ofrock fracture surfaces
巖石斷裂表面分形測量的尺度效應Based on the fundamental solution of two perfectly bonded elastic halfspaces, and using the boundary integral equation method and the finite - part integral concepts, the problem is reduced to a hypersingular integral equation in which the unknown function is the crack opening displacement discontinuity
首先根據雙材料空間的彈性力學基本解,使用邊界積分方程方法,在有限部積分的意義下導出了以裂紋面位移間斷為未知函數的超奇異積分方程。With analysis on the forming process of a deep drawing part, the process of the reason for crack due to thinning and wrinkling during sheetmatel deep drawing is discussed, and the solution is also put forward
摘要通過對備胎槽零件進行拉深成形的工藝分析,介紹了模具調試的過程,分析薄板料的深拉深成形危險斷面的變薄與起皺造成碎裂的產生原因、解決方法,以及採取的措施。3. sem was used to analyze the inner structure of the composite. results show that composite effect tough fracture more easily with the disperse of talc treated with coupling agent
3通過斷面電鏡照片分析可知,加入偶聯劑后,採用密煉法將用偶聯劑處理的滑石粉均勻地分散到pp基體中,使pp更易發生韌性斷裂。In this paper the basic principle of the method of characteristics is described, and is constructed an explicit scheme for dam break simulation of one - dimensional dam instant all break waves flow of a low dam with rectangle section and a huge dam with trapezia section, and of two - dimensional dam instant part break waves flow with simplest space operator splitting
本文模擬了一維矩形斷面低壩和梯形斷面巨型壩瞬間全潰的洪水波演進過程,給出了與分析解的比較,並結合運算元分裂的特徵線法對二維瞬間部分潰壩時洪水波的演進過程進行了數值模擬。Seismic fracture, fault fracture and permafrost fracture all gave negative effects on engineering construction and formed geological hazards at many localities along the golmud - lhasa highway and railway ice fractures formed in freezing rivers and lakes and on the top of pingos have not shown any hazard effect on engineering constructions up to the present
地震破裂、斷層裂縫和凍土裂縫對青藏公路、青藏鐵路及沿線工程安全具有不良影響,這些地裂縫切割錯斷路基,形成路面破裂和路基滑塌,產生顯著的災害效應。Author thinks that the direction of the maximum plastic distortion along a constant radius around the crack tip may be considered as the direction of shear - mode fracture ( named pmax - criterion ) and the load when located shear band prongs the ligament in the front of crack tip is regarded as the limited load of shear - mode fracture. ( 3 ) the fad ( fracture assessment diagram ) of titled crack is proposed based on achievements of mesomechanics about i - ii complex ductile fracture of metal, and the titled crack is classified two kinds : void - mode fracture is assessed by fracture assessment curve, and shear - mode fracture by limited load. ( 4 ) using a fe program based on plantle - ressue theory to calculate some mesomechanical parameters, a flange joint structure of a high pressure vessel ( design pressure 31. 4mpa and the thickness of the hemispherical head is half of that of shell. ) is analyzed to determine whether the structure under operation pressure is safe or not, forecast the mode of potential invalidation and argue for the rationality of design of the structure
試件的整體斷裂為剪切型,但在試件芯部裂尖鈍化區中部出現了韌窩型啟裂並有一定的擴展,說明局部較高的應力三軸度也會使韌窩型機制得以發展,但是不改變試件整體的剪切型斷裂模式;對韌性斷裂的剪切模式的細觀機理做了一定的探討,並且提出了含裂紋構件剪切型斷裂的宏觀判據:認為裂紋前方的集中剪切帶中與裂紋尖端等半徑處最大有效塑性應變出現的方向可以作為裂紋剪切斷裂的方向(可簡稱為_ ( pmax )準則) ,集中剪切滑移帶貫穿裂紋前方承載韌帶時的載荷可以作為極限載荷;本文運用金屬韌性斷裂細觀力學在一復合型韌性斷裂方面的研究成果,採用失效評定圖的形式,提出了傾斜裂紋的安全性評定方法的基本框架。The results indicate that the thermal stress and comprehensive stress of 6aa dam section and f6 fault concrete tuck during construction and operation are all within the allowed concrete tensive strength. the results indicate that the construction scheme of 6aa dam section and the disposal scheme of f6 fault is feasible and meet the need of dam temperature control and crack. prevention
計算分析表明,施工期和運行期6aa壩段及f6斷層混凝土塞的溫度應力、綜合應力均未超過該工程碾壓混凝土的設計允許抗拉強度,表明6aa ,壩段的施工方案和f6斷層的處理方案在溫控和防裂方面是可行的。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合理布置、加勁鋼箱梁斷面型式的合理選取、錨碇結構的合理確定以及錨碇大體積混凝土設計與施工的綜合防裂技術等進行了研究,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。In the numerical calculation, the unknown function is approximated by the product of basic density function and polynomials
根據裂紋面上位移函數的分佈特性,通過將位移間斷函數表示為特徵函數和一組多項式乘積的形式,為其建立了數值方法。Polarization microscope had observed that the size of sphere crystal of pp after adding organic rigid particles became smaller, the excellent compatibility of interphase between matrix and organic rigid particles in composite has been proved, and the organic rigid particles were drew out into cavities from matrix in the photograph of the impact breaking section by sem. the reason of enhanced toughness of the composite is that the material absorbed amount of energy at forming cavities, which is the mechanism of the pp composite toughened with the organic rigid particles
偏光顯微鏡顯示加入有機剛性粒子可使pp的球晶尺寸減小, sem觀察到復合材料中基體材料和剛性粒子的界面相容性較好,在沖擊破壞的材料斷面上,剛性粒子明顯被拔出形成「空穴」 ,這些微小空穴較易產生而吸收能量,從而提高了材料的斷裂韌性,這是剛性粒子復合聚丙烯的增韌機理。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:在瀝青混合料中加入短切玻璃纖維改善瀝青混凝土的特性,採用玻璃格珊加筋瀝青混凝土.應用斷裂力學方法分析瀝青路面裂縫擴展機理.採用瀝青混合料設計試驗、三點彎曲試驗和疲勞裂縫擴展試驗,確定加筋瀝青混凝土的臨界應力強度因子kic ,測量每一種瀝青罩面抗裂系統的裂縫擴展速率.本研究的主要特點是提出復合型抗裂罩面系統,分析了多層加筋瀝青罩面裂縫擴展過程,推薦了若干瀝青路面抗裂系統.結果證明,加筋材料可以提高瀝青罩面的抗裂特性,復合型抗裂罩面系統能夠有效地阻止反射裂縫的擴展Sem showed that comparing with typical brittle rupture of polypropylene, the impact surface of ppmn had acuter undulation and more abundant configuration which were typical characters of tough rupture
Sem照片顯示,對比pp基體的典型脆性斷面, ppmn沖擊斷面起伏較大,形態更加豐富,具有顯著的韌性斷裂特徵。分享友人