factors of cracking 中文意思是什麼

factors of cracking 解釋
裂化系數
  • of : OF =Old French 古法語。
  • cracking : adj 分裂的,分解的;〈美俚〉極快的,猛烈的。 cracking distillation 【化學】裂解蒸餾(法)。 crack...
  1. Mineral admixtures have unsuperseded advantages in improving the workability and durability of self - compacting concrete. the reasons of tendency of cracking in self - compacting concrete and the influence factors have been studied, and the new type of mineral admixture has been used in high performance self - compacting concrete, and its defects such as high slump - losing and shrinking or cracking is successfully prevented

    分析了免振搗混凝土容易產生收縮開裂的原因及其影響因素,將研製的新型礦物添加劑應用於免振搗高性能混凝土之中,解決了免振搗混凝土坍落度經時損失大、易產生收縮開裂等技術難題,配製出免振搗微膨脹高性能混凝土。
  2. At first, development of various cracks carefully recorded and strains on both the rebars and the stirrups were measured in detail, together with the deflections of the beam. in such a way, correlation between the measured strain profiles of the reinforcement and the observed cracking development of each specimen was pursued. principal factors contributing to the cracking pattern and failure mode were figured out as a result

    首先,通過單調靜力加載試驗研究,對梁的裂縫延伸和開展、縱筋應變、箍筋應變、梁的撓度等指標進行了細致的量測,試圖追蹤每一試件在裂縫發展及破壞過程中縱筋應變狀態的變化和裂縫發展程度的相關性,進而總結出有腹筋約束梁裂縫開展及鋼筋應力分佈的一般規律。
  3. Until now, the domestic and overseas scholar has studied the factors that have effect on performance of steel fiber reinforced concrete corbel such as shear span to depth, strength of concrete, reinforcement ratio ( including longitudinal reinforcement and stirrup ) and ratio of horizontal to vertical load. for calculating the cracking load, and ultimate load domestic and foreign scholar has brought forward a series of calculative formulas and methods have been put forward that based on statistical analysis, flexural model and truss model

    到目前為止,國內外學者已研究了剪跨比、混凝土強度、配筋率(包括縱向鋼筋和箍筋) 、水平荷載與垂直荷載之比等因素對鋼筋鋼纖維混凝土牛腿受力性能的影響,對牛腿的抗裂計算和承載力的計算,國內外學者曾提出了基於數理統計分析、彎壓模型和桁架模型等的一系列計算方法和計算公式。
  4. Analysis of stress intensity factors of cracking tip in asphalt overlay

    瀝青加鋪層裂紋尖端應力強度因子分析
  5. But this time, the authors considered more factors that can influence the precise, which include plastic resistant moment of special - shaped columns, bending stiffness of beams and cracking of walls. then, the equivalent width of diagonal strut is worked out. based on above results, the bar system model is used to calculating the internal force of the structure and the results were match the testing data basically

    給出結構的簡化計算方法,本文利用砌塊墻體的斜壓桿等效原理,並考慮了異形柱的塑性抵抗矩、 0梁的抗彎能力以及馬牙搓連接等多種因素,解出了斜壓桿的等效寬度,在此基礎上按桿系模型對結構進行了簡化靜力驗算,結果與試驗基本相符。
  6. Furthermore, the paper also provided the approach of non - linear finite element of this new type of composite structure, hi which the factors of cracking of small type hollow concrete block and dark beam ' s stiffness were being considered. at the same time, the time history analysis and stress cloud chart of this spatial structure

    另外,本文還提出了可考慮馬牙搓連接及暗梁剛度的非線性有限元計算模型,對該結構體系進行了時程反應分析、做出了三維結構的應力雲圖,全面地分析了該結構形式的受力特點和抗震性能。
  7. The expansive property of concrete curing in water is better than that curing in air. the curing time of multiple anti - cracking and impermeability concrete can not less than 14 days. ill to take all account of the factors such as raw materials, construction, curing, and tensile strength, limit tensile strain, etc., which have effect on anti - cracking property of concrete, the overall crack probability is brought forward to access anti - cracking property of concrete, with aid of mathematics

    為了全面地考慮原材料、施工、養護、抗拉強度和極限拉伸率等因素對混凝土抗裂性能的影響,利用數學概率分析方法,引入體積開裂概率的概念評估混凝土的抗裂性能。應用材料復合技術,無機-有機多組份復合,研製出一種新型復合抗裂材料,提高混凝土的抗裂防滲性能,且滿足混凝土的強度和工作性要求。
  8. In this paper, two factors that will threaten the operating stability were studied, which are sand abrasion and cracking of the blades. and other problems that affect the safety in production were discussed

    本文對影響小浪底電站穩定運行的泥沙磨損問題和轉輪裂紋問題進行了詳細的分析,並對其它影響機組穩定運行的現象進行了研究。
  9. The results shcw that the aggregation of inclusions is the internal cause of copper pipe cracking while the thermal stress formed during welding and bending deformation are another two important factors

    結果表明,夾雜物局部偏聚是銅管斷裂的內在原因,焊接時產生的熱應力及彎曲變形是銅管斷裂的外部誘發因素。
  10. The buckling and ultimate strength of ship plating normally depend on a variety of influential factors, namely geometric / material properties, loading characteristics, initial imperfections ( i. e. initial deflections and residual stresses ), boundary conditions and corrosion, fatigue cracking

    船體板的屈曲和極限強度取決于很多影響因素,主要有:板的幾何尺寸、材料特性、載荷特徵、初始缺陷(如初始變形和焊接殘余應力) 、邊界條件以及腐蝕的影響、疲勞裂紋等。
  11. Cracking of asphalt concrete pavement with semi - rigid base course is influenced by many complex factors. this thesis applies neural net ' s theory and three - dimension dynamic technique of simulation to research. the author develops emulator system of crack ' s forming, and that draws up corresponding emulator program

    半剛性基層瀝青混凝土路面的開裂受許多復雜因素的影響,本論文將人工神經網路理論與三維動態模擬方法引入研究中,開發出裂縫形成的模擬模擬系統,編制出相應的模擬模擬程序。
  12. 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
  13. In this paper, based on simulation modeling laws of geometry, constitutive relations, stress conditions and construction, a simulative calculation model has been proposed by considering the mechanical problems during the underground tunnel ' s construction and adopting constitutive models of enveloping type which can consider elasto - plastic materials and their cracking. the model can describe rock multi - media characteristic consider the interrelation of shoring structure and stratum reflect some influencing factors, for example : faultage interlayer joints, construction process and so on

    本文結合地下隧洞工程施工過程中的力學問題,基於幾何、本構、應力狀態和施工過程等四方面模擬建模的原則,採用可以考慮材料彈塑性和開裂的包絡型本構模型,建立能描述巖體多介質的特點和能考慮隧洞支護結構與地層的相互作用,同時能反映斷層、夾層、節理裂隙以及施工全過程等影響的巖體結構模擬計算模型。
  14. In this paper, based on simulation modeling laws of geometry, constitutive relations, stress conditions and construction, a simulative calculation model has been proposed by considering the mechanical problems during the underground chamber construction and adopting constitutive models of enveloping type which can consider elasto - plastic materials and their cracking. the model can describe rock multi - media characteristic consider the interrelation of shoring structure and stratum reflect some influencing factors, for example : faultage interlayer joints, construction process and so on

    本文結合地下洞室工程施工過程中的力學問題,基於幾何、本構、應力狀態和施工過程等四方面模擬建模的原則,採用可以考慮材料彈塑性和開裂的包絡型本構模型,建立能描述巖體多介質的特點和能考慮隧洞支護結構與地層的相互作用,同時能反映斷層、夾層、節理裂隙以及施工全過程等影響的巖體結構模擬計算模型。
  15. The thesis firstly discussed the difference on the reason and the mechanism of cracking between high strength and high performance concrete and normal concrete. ring test and flat test were adopted for research on the major influencing factors of cracking. from the point of view of optimizing material mix - proportion, the measures were advanced to improve the anti - cracking capability of high strength and high performance concrete

    本文初步探討了高強高性能混凝土與普通混凝土相比在裂縫成因和開裂機理上的差異,通過圓環法和平板法試驗,初步研究分析其易於開裂的主要影響因素,從材料配比的優化上提出了高強高性能混凝土抗裂性能的改善措施。
  16. Also the failure modes and the cracking torque, original stiffness, ultimate torsion strength and ductility are discussed in this case. the factors affected torsion bearing capacity of high - strength concrete frame column is analyzed too. the seismic performances of normal - strength and high - strength concrete frame column subjected to biaxial eccentric compression, shear and reversed torque are studied

    以軸壓比和相對偏心距為主要研究參數,揭示高強鋼筋混凝土構件在單向、雙向偏壓剪單調、反復扭矩作用下的破壞特徵、開裂扭矩、剛度、強度、延性等特性,分析了影響高強混凝土框架柱抗扭承載力的因素。
  17. This article will introduce the factors that cause the cracking of carbon - graphite products in the process of graphitization producing technology and give the preventive measures on the basis of analyzing the main reasons for the waste products with cracking during the best treated of graphitization

    摘要主要介紹了在石墨化生產工藝過程中,引起炭石墨製品裂紋的各種因素,分析了在石墨化熱處理過程中產生裂紋廢品的主要原因,並提出了相應的預防措施。
  18. The reason and the main influence factors to the stress corrosion cracking of the sphere were analysed, preventing countermessure had been proposed

    對球罐應力腐蝕開裂的原因和主要影響因素進行了分析,並提出了防止對策。
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