路基路面結構 的英文怎麼說
中文拼音 [lùjīlùmiànjiēgòu]
路基路面結構
英文
road structure- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 路基 : bed; roadbed; subgrade; substructure
- 路面 : road surface; pavement; roadbed路面板 road deck; roadway slab; 路面標高 grade elevation; 路面標線...
- 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
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According to the pavement structure dynamical analyze theory, the principle and process of the pavement modulus back - calculation have been discussed. the appliance ideas of the dynamical modulus among the pavement evaluation, the dynamical characteristic and correlative dynamical parameters of the cement concrete pavement surface, basement and subsoil have been investigated, and the contrast relationships between dynamical and static modulus of the cement concrete pavement have been established, and the evaluation standard of the structure layers " dynamical modulus of the cement concrete pavement has also been presented
根據路面結構動力分析理論,對路面模量反算的原理及實現過程進行論述,研討了動態模量在路面評價中的應用思想及水泥混凝土路面面層、基層、土基的動態特性和相關的動力參數,建立了水泥混凝土路面動態模量與靜態模量的對比關系,提出了水泥混凝土路面各結構層動態模量的評價標準。Highway construction in our country is full of vitality and semi - rigid roadbase asphalt pavement has become a major type of pavement structure of county road in recent years
近年來,我國公路建設正在蓬勃發展,半剛性基層瀝青路面結構形式已成為農村公路的主要結構類型。The forward model of gpr electromagnetic wave propagation in pavement system is developed based on maxwell equation in electromagnetic theory
基於電磁波理論的基本原理,從maxwell方程著手,建立了雷達電磁波在路面結構體系中傳播的正演模型。Through setting interior drainage system, water saved in the pavement structure can be eliminated from subgrade and pavement structure, and it does good to improve the pavement performance and prolong the service life of pavement
設置路面結構內部排水系統,能夠將積滯在路面結構內的水分迅速地排出路基、路面結構外,有利於改善道路的使用性能,延長路面的使用壽命。By structural analysis and calculation for original highway structure without permeable layer, the critical modulus of base have been obtained which makes asphalt pavement fill different allowable stress criterion. by structural analysis and calculation for different highway structure with permeable layer, critical modulus of permeable base course are obtained to make asphalt pavement fill different allowable stress criterion. the paper also presents the tendency of structure response of different highway structure with drainable layers mainly depends on the thickness of asphalt pavement, the thickness and the critical modulus of permeable base
對于不設排水層的原路面結構,通過結構計算得出對應于不同的瀝青面層容許應力值時所需的基層臨界模量值;對于加設排水層的路面結構,通過結構計算得出對應于不同的瀝青面層容許應力值時所需的排水基層臨界模量值;加設排水層的路面結構的結構反應的變化趨勢主要取決于瀝青面層厚度、排水基層厚度和排水基層臨界模量值。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。In this paper, a series of surveys on road condition, pavement - performance and destroy reason are analyzed, soil property, hydrologic regime are combined, modulus of resilience are confirmed on heavy compaction test, foundation classification in area of qinhuangdao is divided into 3 grades and highway is divided into 3 districts according to the principle that different soil grades produce the same effect on thickness of base course or bottom course, classification of traffic is divided into 4 grades after observation materials of traffic volumes are collected extensively, traffic characters and parameters are analyzed
本課題在對現有路面結構狀況和使用狀況進行調查,並對路面使用性能和破壞原因進行分析的基礎上,結合秦皇島地區的土質、水文條件,確定重型擊實標準條件下土基回彈模量值,依據不同等級土基對路面基層或底基層的厚度產生大致相同效應的原則,將秦皇島地區地基強度等級劃分為三級並將本地區公路分成三個區。在廣泛收集交通量及組成的觀測資料,了解交通特性,進行交通參數分析后將交通量等級劃分為四級。( 3 ) according to system science theories and the function principles, the thesis defines the pavement structure performance. and choose the five token road indexes which stand for pavement usage functions, namely road structure strength index ( rssi ), road quality index ( rqi ), pavement function condition pfc or sfc, pavement condition index ( pci ) and pavement environment index ( pei ), and discuss various indexes rating standard. in a word, the study and evaluation of pavement performance was established systematically, which provide a fundamental theory for the pavement management
( 3 )依據系統科學理論和功能原理,對路面結構使用性能進行了定義:確定了表徵路面結構使用性能的五項指標,即路面承載能力系數rssi 、路面行駛質量指數尺rqi 、路面行駛安全性能指數pfc或sfc 、路面破損狀況指數pci和路面環境性能指數pei ,並討論了各項指標的測定和分級標準,為路面結構使用性能的系統研究奠定了理論基礎。Finally, structure design method of asphalt pavement with lean concrete base is developed
最後提出貧混凝土基層瀝青路面結構設計方法。Both of above formulas are the key rules of designing the pavement of asphalt surface with lean concrete
上述兩公式為貧混凝土基層瀝青路面結構中基層厚度設計的重要依據。With laboratory test and theory analysis, structure design method of asphalt pavement with lean concrete base is systematically studied in the paper
本文通過室內試驗和理論分析,對貧混凝土基層瀝青路面結構設計方法進行了系統研究。And two types of fatigue equations are put forward. according to them the fatigue stress coefficient of lcb for the concrete pavement structure and the structure coefficient of tension strength of lcb for the asphalt pavement structure are developed
並提出了貧混凝土兩種形式的疲勞方程,據此推導了混凝土路面結構貧混凝土基層的疲勞應力系數和瀝青路面結構貧混凝土基層的抗彎拉強度結構系數。Pavement structure design based on pavement performance
基於使用性能的路面結構設計Advanced genetic algorithm used in structure optimization of asphalt pavement
基於遺傳演算法的瀝青路面結構優化研究Analysis of inverted asphalt pavement structure based on cross - anisotropy
基於橫觀各向同性倒裝式瀝青路面結構分析The constructionspeed of highwayincreases rapidly, at the same time, the path qualityexaminationdutyaggravatesdaybyday, andtheload ofroads evaluationalsoincreases quicklyin the maintenance. traditional method has many disadvantages, such asinefficiency, tiring, slow speed of evaluation etc. especially, the number ofmeasuring point is too little to give accurate and comprehensive result of theinterior recessive diseases of highway. beside this, the traditional method leadsdestructiontotheroadsurface, whichwillexacerbatethedeteriorationofhighway. in avoid not to affecting the normal travel and not to destroying the pavementstructure, it is urgently to apply nondestructive evaluation ( nde ) techniques tocontrol quality of highway construction and to estimate the running conditionaccurately. the nde techniques of highway have to satisfy the followingqualification : mapping the shape, size and depth of flaw precisely ; having nodamages to the road structure ; being capable of carrying out examination in widerange ; beingeasytoequipandoperate ; beinginsulatetotheenvironmentinfluence. theintelligenceintegrationevaluationvehicleforroadbedandpavement ( iievrp ) is just the comprehensive nde technique that can satisfy the demands above, which can implement detection of highway rapidly and nondestructively
作為吉林省科技廳高新技術項目( 20020331 ) 「路基路面智能集成檢測車」的一個子項,本文在理論的基礎上,結合實驗對探地雷達檢測路面結構層厚度及路基、路面病害進行了研究,主要工作如下: 1 .闡述探地雷達發展的歷史和研究現狀,介紹探地雷達在路面結構層厚度檢測與路基、路面病害識別上的應用,分析探地雷達設備性能,探討其測量參數對探測性能的影響; 2 .引入matlab計算軟體,利用其中的小波分析工具箱對探地雷達信號進行分析處理; 3 .構建適于道路檢測的車載實驗平臺,為進一步完善路基路面檢測車系統打下了基礎; 4 .通過對模型的檢測,對探地雷達探測性能做出定性或半定量的評價; 5 .通過對實際路面的檢測,驗證探地雷達在道路檢測中的有效性。The forward model for gpr electromagnetic wave propagation in pavement system is established based on the basic theory of electromagnetic through analyzing the propagation characteristics of electromagnetic wave propagation in pavement, then the reflected signals of gpr wave propagation in different pavement structures are simulated
基於電磁波基本理論,通過分析雷達電磁波在路面結構層介質中的傳播特性,建立了雷達電磁波在路面結構體系中傳播的正演模型,並依據該模型模擬合成了不同路面結構體系中雷達波的反射信號。Moisture, the voids and the density of the pavement are expected for many operators in the road department. in order to promote the application of gpr to detect pavement quality as quickly as possible, in this paper some research works were zone. the mainly research results includes the following aspects : ( 1 ) since the dielectric constants of pavement medium have important influence on radar detection results, dielectric properties of pavement layers materials are analyzed for the design of practical gpr system and field application
目前探地雷達在公路上的應用還主要局限於路面結構層厚度的檢測,對路基路面物理力學指標的無損檢測被廣大公路工作者寄予厚望,這一技術的應用還有很多的工作要做,為了使其早日應用於實際,實現探地雷達對路面含水量、空隙率和壓實度的快速無損檢測,本文具體做了以下的一些工作: ( 1 )鑒于介電常數對探地雷達檢測的重要影響,對路面結構材料的介電特性進行深入分析,為路用探地雷達的實際應用測量提供理論依據。Abstract : to facilitate the design, teaching and research of asphalt pavements, the article founded the models of displacement and tensile stress of three - layer system by using separation of variables, analysis and synthesizer. based on the analysis of common pavement structures and their equivalent conversion, the regression formulas of displacement and tensile stress are obtained successfully, furthermore the formulas applied in multi - layer system are checked. a great number of results of regression formulas show good accuracy for engineering application and theory research
文摘:為方便瀝青路面結構設計生產、教學、科研之用,本文採用分析綜合法與分離變量法建立了彈性三層體系應力位移顯式模型;並在分析常見路面結構層厚度及其當量換算和模量變化范圍的基礎上,成功求得了三層體系路表彎沉、上層滑動應力、上層連續應力、中層應力逼近公式;精度分析表明本文逼近公式精度很好,完全可推廣應用於多層體系,滿足工程設計和有關理論研究的需要Due to the variation in traffic, environment, axle configuration, subgrade condition, pavement structure, construction quality, supervision rule, acceptance specification, and maintenance policy from agency to agency, from place to place, premature failure may be. caused by different factors. governing factors resulting in premature failure and rehabilitation strategies that follow may change significantly from projects to projects
由於交通、環境、軸組、路基、路面結構、施工質量、質監、驗收及維修政策因時因地而異,造成早期破壞的原因也各不相同。分享友人