asphalt overlay 中文意思是什麼

asphalt overlay 解釋
瀝青塗層
  • asphalt : n. 瀝青,柏油。 asphalt concrete 柏油混凝土。 an asphalt pavement 柏油路。vt. 塗柏油,用柏油鋪(路)。
  • 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. Synthesis on overlay design method of asphalt pavements

    瀝青路面罩面設計方法綜述
  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. 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。
  5. 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。
  6. 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。
  7. It proves that adding up fiber and modified asphalt in the common asphalt mixture can decrease the brittle point temperature and strength the ability of resisting cracking. fiber - reinforced asphalt concrete and glass fiber grid which has been set between the road base and overlay can delaying reflection cracking effectively

    試驗證明,在普通瀝青混合料中加入聚酯纖維以及使用改性瀝青可脆化點溫度降低,增強低溫抗裂性,加入goodroad聚酯纖維和在基層與面層之間鋪設玻纖格柵可有效抑制反射裂縫,值得推廣。
  8. 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。
  9. 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
  10. 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。
  11. 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。
  12. 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
  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. The effect analysis of base course thickness to the asphalt overlay with reflective crack

    基層厚度對瀝青加鋪層反射裂縫的影響分析
  15. 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
  16. 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。
  17. Mechanical analysis of reflection cracks in the asphalt concrete overlay on the ailing portland cement concrete pavement

    舊水泥混凝土路面瀝青加鋪層反射裂縫力學分析
  18. 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
  19. With material test system ( mts ), the paper carried out fatigue test of flexural - tensile and shear reflection cracking of asphalt overlay on cement concrete pavement, evaluated the anti - cracking ability of five kinds of asphalt overlay structures

    摘要利用mts材料試驗系統,進行舊水泥混凝土路面瀝青加鋪層彎拉型和剪切型反射裂縫的疲勞試驗,評價了5種瀝青加鋪層結構抵抗反射裂縫的能力。
  20. So there is still not a matured design method up to now. this paper introduces several relatively matured design methods and puts forward some problems which require more study. this purpose is to accelerate the study of asphalt overlay design in our country

    本文介紹了目前相對成熟的幾種罩面設計體系,並加以評析,提出今後尚需研究的問題,為促進我國對考慮反射裂縫的舊水泥混凝土路面上瀝青罩面設計方法的研究提供參考。
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