roadbed material 中文意思是什麼

roadbed material 解釋
路基材料
  • roadbed : 1. (鐵路)路基,路床。2. 鋪路材料[碎石,沙子]。3. 供車輛行駛的路面部分;行車道。
  • material : adj 1 物質的(opp spiritual)。2 身體上的,肉體上的;物慾的,追求實利的;卑俗的。3 有形的,實體的...
  1. On the basis of field investigation and a lot of tests, the paper detailed researches the engineering geology properties of xigeda filling material. the distinction of the modulus of resilience was analyzed, and the influence of the intrinsic factors including moisture content, dry density, mudstone content and the external factors including compaction mode, paving thickness were adequately discussed. based on the researching how various factors influence the road compaction effectiveness, the author studied the relationship between modulus of resilience and roadbed compaction quality index, connected the compactness with modulus, and listed the data of the modulus in the various compaction area

    基於此,本論文在大量現場調查、室內外試驗資料基礎上,詳細研究了昔格達填料的工程地質性質;通過路基回彈模量特徵的研究,充分闡述了含水量、干密度、泥巖含量等「內因」 ,及壓實方式、松鋪厚度等「外因」對路基模量值的影響;在分析眾多因素對路基壓實效果影響的基礎上,開展了回彈模量與路基壓實質量指標間關系的研究,進而把現場壓實度與現場回彈模量有機的聯系起來,給定了不同壓實區間對應的模量值。
  2. They have raised all kinds of engineering steps on roadbed against frozen disaster, for example, adopting the reasonable height of roadbed, building ventilative embankment, setting up the defense, burying hot metal stick, making use of stone to protect slope and laying thermal insulation and heat insulation material etc, laying eps is one of these special steps

    針對路基凍害問題,人們對路基凍脹、融沉和溫度場特徵進行了廣泛研究,提出了各種路基抗凍害的工程措施,如選用採用合理的路堤高度,修築通風路堤,設置護道,埋設熱棒,利用片石護坡和鋪設保溫隔熱材料等特殊工程措施。
  3. The article analyses nature of lime, manganese iron, aeolian sandy soil, cement, and material requirement of roadbed

    論文分析了石灰、錳鐵廢渣、風積砂土、水泥的性質,以及闡述了路面基層對材料的要求。
  4. This paper conbined with the indoor test and the scene test road, through the synthetical analysis of the factors of influencing densification effect for the densification thickness of filling stone roadbed. the maximum grain size of fill material, densification machinery and densification frequency et al. advanced a control norm of the maximum grain size and piy of compression, established ration evaluating the control standard of densification quality of filling stone roadbed under overload. comparing with result of indoor test and the scene test road, studied on theory of densification in different kinds of stone material and perfected the control system of the densification of filling stone roadbed under overload

    結合室內試驗和現場試驗路的實測數據,通過對填石路基的壓實厚度,填料最大粒徑,壓實機械及壓實遍數等影響壓實效果的因素的綜合分析,提出填石路基的最大粒徑和攤鋪厚度的控制指標,建立定量評定超重載交通下填石路基壓實質量的控制標準,並對照室內試驗和現場試驗結果,研究不同石料條件下的壓實理論,補充完善了填石路基壓實控制指標體系。
  5. From experimental result, i preliminarily know that eps is good thermal insulation material because the absorption of water is low and heat insulation is good, it is practicable at preserving temperature field of frozen earth roadbed and bringing frozen disaster under control ; second, according to the analysis of the eps that is applied into practical project, i have studied the practical effect which eps preserve roadbed temperature field, and the influence that was made after building field. i have get that eps can influence moisture content and frozen upper limit, through practical measuring data, i have studied freezing and expanding quantity and melting and submerging quantity during a complete frozen and melting cycle as well as have expanded and proved the practical application effect of eps with some reference significance to deep research of some connected problems. finally, through computer data analysis, setting up the analytical model of finite unit, i have simulated the temperature field of roadbed heat preservation, then expounded and proved that the height of embankment influenced the effect of thermal insulation material

    其一是對聚苯乙烯泡沫塑料( eps )保溫板以及天然路基土層、路堤填料進行了室內試驗分析,結合國內外現在的有關科研成果,綜合確定其各項特徵參數;從試驗結果初步認識到聚苯乙烯泡沫塑料是一種吸水率低,隔熱性好的保溫材料,在凍土路基溫度場的保護和凍害治理方面是可行的;其二通過eps保溫板在現場工程實踐中的應用分析,研究了保溫板在保護路基土層溫度場的實際效果以及修築路堤后造成的影響,保溫板對土體含水量、凍結上限的影響,通過實測資料,研究了在一個完整的凍融周期內整個路基的凍脹量和融沉變形量,論證了保溫板的實際應用效果,對有關問題的進一步研究和相關工程設計具有參考意義;其三,通過計算機數值分析,建立有限元分析模型,對保溫路基的溫度場進行了模擬計算,論證了路堤高度對保溫材料效果的影響。
  6. To check the efficiency of the insulations, by varying the thickness, the width and the position of the insulations ( expandable polystyrene insulation layer ( eps ) ; polyurethane ( pu ) ) and the material of the roadbed surface in the calculation, the maximum thawed depths during the following 50 years on permafrost under the roadbed were simulated

    為了檢驗保溫材料的效果,計算時採用改變保溫材料聚苯乙烯板( eps )和聚胺脂板( pu )的厚度、寬度、埋設位置及路基表面條件,來模擬路基面下多年凍土季節最大融化深度在今後50年內隨時間的變化。
  7. According to the problem of failure and instability in roadbed and cutting engineering of underground karat cavity, on the basis of inhomogeneous elastic damage model, this thesis propose the fem back - analysis from instability - strength degradation, to describe inhomogeneity of material suppose that the material parameter obeys statistical distribution

    摘要針對地下溶洞路床路塹工程變形與失穩問題,本文提出了基於非均質彈性損傷模型的有限元失穩強度折減反分析法,認為材料參數服從統計分佈來描述材料的非均勻性。
  8. The research findings solved the difficult problem of project, the test is first to study xigeda strata use to roadbed carrier, nearly millions xigeda strata can use in build, save investment and reduce occupation land, accelerate build speed, fill - up void that the xigeda strata use expressway filling material

    仁述成果解決j一工程急需的問題,沿線近百力方的昔格達挖方可直接應用於西攀高速公路建設,同時也可以填補著名的易滑地層?昔格達地層用於高速公路路堤的空白,它可以節省投資,少佔農業用地,加快工程建設,對于西攀高速公路的早日建成具有重要意義。
  9. The study solves engineering problem as follows : ( 1 ) the systematic study on the historical course of xigeda strata deposit and geologic environment includes strata, lithologic characters and constitution et in the liangshan and panzhihua region. the results show that the xichang - panzhihua express way is controlled by the anninghe fault and the xigeda fault, the earthquake frequently happen in the region of pass, the different sedimentation number is more great, they effect the road building, safety in operation and structure belong road ( 2 ) because in some place the xigeda strata is foundation and roadbed, the study on the basic properties of the xigeda strata include density, moisture content plastic and liquid limit graduation. the results show that the xigeda strata is deposition in lake, the main component is mudstone and sandstone, the fine particle is main, it has some viscosity, the moisture content of mudstone is different the it of sandstone, the other property are likeness. the xigeda strata has no dilatation on total, some claystone have low and medium dilatation ; ( 3 ) the study on the basic properties of xigeda filler include the composition of matter the biggest standard dry density, the optimum moisture content the results show that xigeda filler can use as road material, it is well grade filler and admixture filler on essence, its compaction index should change in different place because the property is controlled by mudstone and sandstone that change is great in different place ; ( 4 ) the study on the xigeda filler craft used as express way roadbed, includes suitable thickness, compaction numbers and methods and equipment choice et

    公路沿線廣泛分佈有昔格達地層,昔格達地層能否用作高速公路路基填料,國內沒有先例,本論文就是結合導師的科研項目,在非典期間,現場長達5個月的工作,完成了從試驗、現場施工工藝到路堤分層沉降監測等工作,是面對生產實際,認識昔格達地層的性質和其作為地基、路基和填料應用中面臨的問題進行的研究。主要的研究內容有:對攀西地區地層巖性、構造等地質環境和昔格達地層的沉積歷史過程作了系統的分析,研究表明西攀高速公路主要受安寧河斷裂和昔格達斷裂影響,通過地區地震活動頻繁,差異沉降較大,對公路建設、安全運行和沿線構築物設計有較大影響;由於昔格達地層在有些路段作為地基、有些作為路基,對其基本性質進行了研究:包括天然密度、含水量、塑液限、顆粒級配等指標的試驗研究。研究成果表明:昔格達地層為湖相沉積,主要為砂巖和泥巖,它以細粒組為主,同時粘粒的存在,使其具有一定粘性。
  10. The study of the new type of roadbed material

    新型路基材料的研製
  11. Therefore, xigeda filling material is a compounding filling made up of several soft rocks mentioned, which has more complex medium feature than single type filling material. we must certificate whether it satisfy minimum intensity standard of speedway ' s filling if the filling is used as roadbed material of express highway

    因此昔格達填料是由上述幾類軟巖組成的混合填料,與單一類型填料相比具有更為復雜的介質特徵,將其用作高速公路路基路堤填料,需要驗證其能否滿足高速公路對填料的基本要求。
  12. Modulus of resilience which represents stress - strain properties of the roadbed and material strength of the roadbed is a very major parameter in road surface designing

    回彈模量充分反映路基應力應變特性及路基力學強度和變形性,是路面設計中的一個關鍵參數。
  13. Research of testing methods of compaction degree of soil - stone mixed material roadbed

    關于土石混合料路基壓實度檢測方法的探討
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