pavement cracking 中文意思是什麼

pavement cracking 解釋
路面開裂
  • pavement : n. 1. 鋪石路,〈英國〉人行道 (=〈美國〉 sidewalk); 〈美國〉車道 (=〈英國〉 roadway)。2. 鋪地,鋪石;鋪路材料。3. 【動物;動物學】鋪石狀構造[密生的齒列等]。
  • 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. Abstract : based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents

    文摘:在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下,分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗,研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果,但改性效果和樹脂的添加量並不是一個無限遞增的關系,當添加量超過一定數值以後,改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值
  2. Based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents

    在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下,分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗,研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果,但改性效果和樹脂的添加量並不是一個無限遞增的關系,當添加量超過一定數值以後,改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值
  3. The softness of the golden gas lighting has given way to violent sparks from neon tubes, the cracking caused by wooden shoes on wooden pavement has been replaced by the hissing of rubber on asphalt road

    煤氣街燈發出了柔弱的金黃色光亮,而如今已讓位於大放異彩的日光燈管;木屐在木板鋪就的人行道上踩踏而發出的咯咯聲,現如今已被膠鞋踩在柏油馬路上發出的吱嘎聲響所替代。
  4. Finally, in view of the complexity and non - linearity of the pavement in cracking and breakage, the paper tries to explain the formation in the cracks of the pavement and mechanism & process of expansion by nonlinear theories ( like chaos, fractal etc. ) and to describe the whole process of fissures and breakage so as to provide a new thought and method for the study of the cement concrete.

    最後,考慮到路面開裂和破壞的復雜性和非線性,本文採用非線性科學理論(如混沌、分形等)來解釋路面裂縫生成和擴展的機理和過程,從總體上對開裂和破壞的全過程加以描述,為水泥混凝土路面的開裂機理和破壞過程研究提供一種新的思路和方法。
  5. The pavement panel, under load and with already existing initial cracking & inherent damaged conditions as well as its cracks & damage, further accumulates and expanses, which lays a foundation for the fissures & breakage ; the surface layer - as the uneven pavement brings about interaction between spring plates which results in impact on the vehicle load, is the main reason speeding up the fissures in the pavement panel

    在荷載作用下,使得已經存在初始裂紋和固有損傷條件的路面板,其裂縫和損傷進一步累積和拓展,為路面的斷裂破壞奠定了基礎;表面層? ?由於路面表面的不平整而引起的車板相互作用帶來車輛運動荷載的沖擊,是加速路面板斷裂的主要原因。
  6. Finally, the distribution discipline of the cyclic changing temperature damage factor under the conditions of low temperature through the equivalent assumption and energy equivalent model based on damage mechanics theory. the fatigue life of the 4cm depth sawed cracking road is obtained under the conditions of - 15 based on the shenyang - dalian highway. in this paper, the inhomogeniety of asphalt concrete resulting from temperature change is considered, when the influence of the temperature change on the semi - rigid asphalt pavement concrete is analyzed

    最後,基於損傷力學理論,通過等效應變假設原理和能量等價模型,得到低溫下循環變溫損傷因子的分佈規律,以沈陽?大連高速公路的預鋸縫為工浙江大學博士學位論文廣義荷載作用下道路與軟基共同作用研究王金昌2003年5月程背景,預測了4cm深的鋸縫在一巧路表變溫作用下的疲勞壽命。
  7. Linear elastic dynamic fracture mechanics are adopted to analyze the working characters of the semi - rigid asphalt pavement with the reflective cracking. it is successful to simulate the crack expansion process based on elastic damage theory, at the same time the fatigue life is forecast. the research findings are valuable for the pavement engineering practice on the soft clay ground

    本文分析路表變溫對軟土地基上半剛性路面結構體的作用時,考慮了路表降溫導致瀝青混凝土回彈模量的非均勻性,採用線彈性動斷裂力學分析軟土地基上含反射裂縫半剛性路面結構體的工作性狀。
  8. But, for the reflective cracking of asphalt pavement with half rigid base course and the cracking of the ac overlay above joints ( cracks ) in existing pcc pavement, the results of research show that the fatigue life of ac layer is mainly the life of the crack propagating stage. so the theory and method of fatigue destructive mechanics ( fatigue fracture mechanics and fatigue damage mechanics ) should be used to study and design the pavement structures instead of traditional fatigue mechanics

    而對於半剛性基層反射裂縫和舊水泥混凝土路面瀝青混凝土加鋪層接縫(裂縫)開裂,研究發現,瀝青結構層的疲勞壽命主要為裂縫擴展階段的壽命,此時不應採用傳統的疲勞力學進行研究和結構層設計,而應採用疲勞破壞力學(疲勞斷裂力學和疲勞損傷力學)理論與方法。
  9. Fatigue cracking is a main form of structural damage of asphalt pavements ( chiefly including asphalt pavement with half rigid base course and ac overlay on portland cement concrete pavement )

    疲勞開裂是瀝青類路面(主要為半剛性基層瀝青路面與水泥混凝土路面瀝青混凝土加鋪層結構)的主要破壞形式。
  10. Non - linear description of cracking mechanism and wrecking conditions of cement concrete pavement

    水泥路面裂縫形成機制及破壞條件的非線性描述
  11. A major drawback of this kind of rehabilitation is the reflection cracking of the overlay, whereby the cracking pattern existing in the original pavement is extended into and through the new overlays

    這種修復方法最主要問題是罩面層的反射裂縫,也就是在原路面中存在的裂縫能夠擴展並延伸到新的罩面層中去。
  12. 2. a mechanic model which can reflect the real case of the pavement cracking was developed, and analysised the cracking model in the overlays. meanwhile, described the theory and methodology of the fracture mechanics

    建立了一種能夠反映實際罩面層開裂破壞的力學模型,分析了反射裂縫在罩面層內擴展的形式,並闡述了斷裂力學的基本原理及方法。
  13. Based on understanding of many practices of asphalt overlay on old cement concrete pavement in our country and rehabilitation of boai road in zhongshan city, this paper analyzes and studies the rehabilitation technology of old cement concrete pavement systematically, includes : ( 1 ) the assessment for structure characteristic of old cement concrete pavement a correct assessment for pavement distress and structure characteristic of old cement concrete pavement before overlay is the stick point of preventing reflection cracking and guarantee the success of rehabilitation, which requires understanding how the structure characteristic of old pavement effects the stress and reflection cracking of the asphalt overlay

    本文在調查了解國內許多舊路改造實踐工程的前提下,基於中山市博愛一路的改造實踐,對舊水泥混凝土路面瀝青罩面改造進行了系統的分析研究。主要的研究內容包括: ( 1 )原有路面結構性能的評估在瀝青混凝土加鋪罩面之前對舊水泥混凝土路面的損壞情況和結構狀況進行正確的評價是解決反射裂縫和保證加罩成功至關重要的一環,其前提就是要了解舊水泥混凝土路面的結構特性對瀝青罩面層中的應力和反射裂縫的影響。
  14. This paper analyzes how structure characteristic of old concrete pavement affects the load stress of asphalt overlay by the three dimensions finite element analysis program - adina. ( 2 ) the asphalt overlay design in rehabilitation of old cement concrete pavement asphalt overlay design not only relates the distress, structure characteristic, traffic and environment of the old pavement, but also requires reasonable mechanics model, correct material parameter, effective measure of preventing reflection cracking, and so on

    ( 2 )舊水泥混凝土路面瀝青罩面改造中瀝青罩面層的設計舊路改造的罩面設計方法不僅涉及舊路面的損壞、結構狀況、交通狀況、環境因素,而且還需要合適的力學分析模型、正確的材料參數、有效的防反射裂縫措施等,內容廣泛、復雜多變,至今尚未有成熟的設計方法。
  15. Field investigation includes traffic volume, axle loads, types, amount, and severity of pavement distress, measurement of deflection of pavement highway structure, and pavement sampling. recorded pavement distresses include ( but not limited to ) fatigure cracking ( alligator cracking ), rutting, long structural cracking

    路面調查工作包括交通量調查,軸載調查,路面損壞的類型、數量與嚴重程度的記錄,路面結構的彎沉以及路面取樣。
  16. In view of a suburb major trunk road pavement failure, mainly from surface depression, cracking and slipping, water destruction, design failure, this paper analyzes the cause of destruction, proposed the preventive measure, to avoid the early destruction of the pavement, thus enhancing the quality of the road surface and lengthening the service life of the road

    摘要針對市城郊某主幹道的路面破壞現象,主要從路面沉陷、裂縫和滑移、水破壞、設計不合理等幾個方面分析瀝青路面產生破壞的原因,同時對應地提出了瀝青路面破壞的預防措施,以此引起廣大道路設計人員與施工人員的重視,避免瀝青路面的早期破壞,從而提高路面的使用質量和延長道路的使用壽命。
  17. Applying the theory and method of fatigue damage mechanics to the research on the fatigue cracking of asphalt pavement is conducive to reveal the mechanisms of asphalt pavement fatigue cracking and measures anti - cracking ( such as reinforcing ) and then the design method of anti - cracking can be put forward

    應用疲勞損傷力學理論與方法研究瀝青類路面疲勞破壞,有助於揭示瀝青類路面疲勞破壞機制和各類抗裂措施(如加筋)的抗裂機理,在此基礎上提出相應的抗裂設計方法。
  18. 4. based on the pavement mechanics models, fatigue cracking theory of fracture mechanics was used to investigate the rule of reflection cracking

    基於選定的路面力學模型,採用斷裂力學中的疲勞裂縫擴展理論對路面反射裂縫的擴展規律進行分析。
  19. However, the pavement is easily spoiled by reflective cracking from semi - rigidity base because semi - rigidity base is sensitivity to low temperature and little humidity, so through adverse circumstance and reduplicate vehicle load. the base can have easily rupture by much dryness and low temperature. then these interior fractures will extend to exterior asphalt

    這是因為半剛性基層材料對溫度和濕度反應敏感。在環境和重復交通荷載作用下,基層容易產生干縮和低溫縮裂裂,半剛性基層這些裂縫會擴展到面層,形成反射裂縫。
  20. Transverse fracture is a leading form of pavement ' s breakage. lt may be made by structure ' s temperature cracking. dryness cracking and traffic load

    本文特別針對溫度和行車荷載兩種情況下,討論路面結構內力分佈情況。
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