pavement overlay 中文意思是什麼

pavement overlay 解釋
路面罩面
  • 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]。
  • overlay : vt （ laid ）1 覆，蓋；鋪，敷，塗；包，鍍金。2 蓋暗，弄陰。3 壓制，壓倒。4 【印刷】加上襯于。n 1 ...
  1. Before studying the concrete composite deck pavement, we introduce the basic theory of touching analysis, and come up with the realization of touching analysis in the fem analysis considering the touch of concrete bridge cover plates, asphaltum concrete overlay with bridge cover etc. connect with the experiment on the spot of bridge, the software ansys is used to solidity modeling and analyzing an assembly simply supported bridge before adding overlap, after adding overlap etc., and study the influence of adding overlap on the underside bridge structures

    在進行裝配式混凝土簡支板橋復合鋪裝結構的探討性研究前，先介紹了接觸分析基本理論，並提出了考慮混凝土橋面板板間接觸、瀝青混凝土加鋪層與橋面接觸等接觸分析在有限元分析中的實現思路。結合一座裝配式簡支板橋現場試驗數據，採用ansys對該橋在加鋪前後進行了實體建模與計算分析，討論了瀝青混凝土加鋪層對下部結構物的影響。
  2. Asphalt overlay on old cement concrete pavement of boai 1st road in zhongshan

    中山市博愛一路舊水泥混凝土路面瀝青罩面實踐
  3. 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。
  4. Concrete pavement overlay structure design discussion

    混凝土路面加鋪層結構設計探討
  5. 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。
  6. 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。
  7. 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。
  8. 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。
  9. The research purpose of this paper is on the thickness design of strengthening asphalt overlays, and the research way is based on analyzing the using of falling weight defiectometer in the area of pavement design and analyzing the priority of fwd - this kind of nondestructive deflection testing equipment, the emphasis is using of the testing results and research production of fwd in overlay design. the mainly research results includes the following aspects : 1. describing all kinds of overlay design procedures and its advantages and disadvantages in detail, especially the overlay procedure used in our country ' s pavement design criterion

    本論文的研究對象是針對結構性補強型瀝青混凝土罩面進行厚度設計，研究思路是以落錘式彎沉儀（ fwd ）在路面工程設計領域的應用為根本目的，在分析fwd這種無損彎沉測試設備先進性的基礎上，結合對各種瀝青路面罩面設計方法的分析，著重研究了如何將fwd的檢測及分析成果應用於瀝青路面罩面設計方法中去。
  10. Structure design of asphalt mixture overlay on old concrete pavement

    舊混凝土路面瀝青混合料加鋪層的結構設計
  11. In this paper, the theory and method of fatigue damage mechanics are adopted to study the fatigue damage behavior of asphalt mixture and the fatigue failure of asphalt pavement and predict the fatigue life of ac overlay on existed pcc pavement

    本文應用疲勞損傷力學理論與方法對瀝青混合料的疲勞損傷特性、瀝青類路面疲勞破壞以及舊水泥混凝土路面瀝青混凝土疲勞壽命預測進行了系統的研究。
  12. Periodic maintenance and rehabilitation can prolong the road ' s service life. an asphaltic overlay is applied to the old pavement surface in good time, which not only enhances the strength of the pavement, but also improves the using performance of the old pavement instead of doing lots of rebuilding works. therefore, the thickness of asphalt concrete overlays is less than the thickness of the reconstructed pavement

    定期的養護與維修可以延長瀝青路面的使用壽命，及時地在瀝青路面上加鋪罩面，不僅可以增強路面強度，還可改善路面的使用性能，而不必做大量的重建工作，其厚度也小於重建施工的厚度，因此對于已破損的路面，採用瀝青混凝土罩面常可以提供最經濟的修復形式。
  13. Structural design of asphalt overlay on old cement concrete pavement

    舊水泥混凝土路面瀝青加鋪層結構設計探討
  14. In this paper, a three dimensional finite element analysis has been used to analyse the loading stress of utw pavement. the critical loading position of utw plate and the rules of the effect of the joint spacing of plate, the thickness of overlay, ec / es and the interface conditions between concrete overlay and existing ac on the stress are provided

    本文採用三維有限元法分析了utw路面荷載應力，確定了路面板的臨界荷位，得出了板接縫間距、厚度、板與地基模量比（ ec es ）和層間接觸狀況對應力的影響規律。
  15. Study of bituminous overlay on old cement concrete pavement

    舊水泥混凝土路面加鋪瀝青面層的研究
  16. Research on urban highway new - style asphalt overlay on existing cement concrete pavement

    舊水泥混凝土城市道路加鋪新型瀝青層方案研究
  17. In order to restore the strength and the surface performance of the pavement, the author introduces the overlay asphalt pavement

    為解決路面結構補強或表面功能不足等問題，採用加鋪瀝青層的技術措施。
  18. Major distress type includes rutting, fatigue cracking, and structural cracking. the evaluation program developed can communicate with pavement condition database system through dll ( dynamic link library ), perform evaluation of pavement conditions, and conduct overlay when necessary

    本文建立的路面評價系統可以通過動態鏈接庫對狀態數據庫進行訪問，西南交通大學碩士研究生學位論文第ij頁對路面狀態進行分析評價，必要時可以進行加鋪層的設計。
  19. It indicates that although this procedure has introduced the mechanistic - empirical method, but still is not perfect in design theory : one is about bearing capacity evaluation method and device. the currently used device - benkelman beam is dropping behind the development of the pavement testing service ; the other is about the mechanistic method that used in overlay design. it simplifies the original pavement and subgrade as a whole half infinite space, this is not true in the real layered pavement structure

    綜合分析了各種罩面設計方法的原理及其優缺點，對於我國目前設計規范中所採用的罩面設計方法進行了詳細的分析與研究，指出了它雖然已經採用了力學與經驗相結合的設計方法，但仍然存在著明顯的不足之處：一方面是舊路承載能力評價設備仍然採用貝克曼梁，檢測手段落後；另一方面，在力學設計方法中，對于舊路承載能力的評估忽略了舊路面結構的分層，而是採用了近似的彈性半空間體，給出了舊路頂面的綜合回彈模量。
  20. The mechanistic model and damage model of this method is reviewed theoretically. finally, we use this new method and the other several procedures using currently to calculate a case example. it indicates that this method can derive a effective result comparing to the other existing procedures, but for the real use in the true pavement overlay design, we should still to improve it in the empirical part of this method to get more accurate results

    選用相應的結構模型和損傷模型，從理論上闡述了這一方法的思路及過程，最後結合一工程實例，分別採用其它現有方法與本文的新方法進行對比設計，結果表明可以得到有效的結果，說明了理論上此方法的合理性，但一致性不好，仍需從經驗設計理論方面加以完善，才能達到實用化的程度。
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