roadbed construction 中文意思是什麼

roadbed construction 解釋
路基工程
  • 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。
  • construction : n 1 建築,結構,構造,架設,鋪設;建設;設計;工程;建築法,構造法,建築物;【戲劇】搭置,布景,...
  1. In the highway blacktop design criterion ( tjt014 - 97 ), four methods are recommended to the value of the modulus of resilience of the roadbed. however, the limitation of the methods induce disconnection between the designing modulus index and the compaction in the process of field construction

    盡管現行《公路瀝青路面設計規范》 ( tjt014 - 97 )中,推薦了4種不同方法確定路基回彈模量值,但是由於這些方法的局限性,導致路基設計回彈模量取值與現場施工壓實過程脫節。
  2. The study of highway roadbed earthwork construction method

    高等級公路路基土方施工方法的研究與探討
  3. An example of coal gangue roadbed construction

    煤矸石用於路基填築的探討
  4. Based on the theory of unsaturated soil mechanics and the properties of compacted expansive soil, this paper takes the northern part k12 + 840 - k12 + 920 of nanning urban highway as an example to studies some aspects of lime improvement of expansive soil and the technology of construction. the chief content of this paper is : the lime improvement mechanism of expansive soil ; confirm the technical parameters of lime mixed from the results of test in laboratory ; the scale - down test to define the maximum effective grain size of expansive soil when it is improved by lime ; by building bank slope model and making use of finite element seepage flow program of saturated - unsaturated to calculate the examples, this paper simulates the humidity site in order to checkout the effect of lime improvement ; studies and proves that it is feasible to mix blocky expansive soil and pulverous lime, and to fill roadbed by common construction machines etc.

    本文研究的工作就下述幾個方面展開:用石灰改良膨脹土的機理;通過室內試驗確定摻灰的技術指標;在室內進行膨脹土摻灰的最大有效粒徑的模擬試驗,即鈣離子水試驗,由此總結出「粉?塊」灰?土攪拌工藝的有效性、合理性和可行性;用數值方法對路堤使用期的濕度場進行模擬,並與路堤的強度?變形的計算域耦合,以檢驗土性改良的效果,從而探索一種描述改良膨脹土路堤運行工況的數值方法;用現有最常用的且費用最低的施工機具,對灰?土進行「粉?塊」攪拌摻和及路基的填築施工等。
  5. Construction and protection technique for wind - sand railway roadbed

    煤矸石路基施工一例
  6. With the rapid development of railway construction in china, the network size has been continuously expanded, the net framework strengthened and the network structure optimized. at the same time, the task of railway transportation has been more and more onerous, then the railways are constructed in different ages, complex geological conditions and effected by their designs and constructions as well, in addition, the railways are making advances to speed - up and load - over now, so many railway roadbed have the existence of all kinds of diseases in different degree. these diseases effect badly the normal railway operation, even they may bring about catastrophic accidents

    隨著我國鐵路建設的飛速發展,路網規模不斷得到擴大,路網骨架不斷得到加強,路網結構不斷得到優化,但與此同時,鐵路部門運輸任務日趨繁重,加之我國鐵路修建年代不同、地質條件復雜及受當時設計施工等因素的影響,且目前我國鐵路正朝著高速重載方向發展,許多線路路基存在著不同程度的病害隱患,嚴重影響列車的正常運營,甚至造成災害性的事故。
  7. The technique of cement power - sprayed piles is one of improving soft - soil roadbed technology presently. combining with the construction and field tests of nanjing - qidong railway, some research of using cement power - sprayed piles to improve soft - soil roadbed was conducted and the research includes several aspects below : 1. the authour first introduces the formation. distribution, physical mechancial behaviour and engineering characteristic of soft soil, and clarifies the necessity of improving soft - soil roadbed

    本文結合寧啟鐵路工程的水泥粉體噴攪樁(簡稱粉噴樁)復合地基的現場施工及試驗,對粉噴樁加固軟土路基作了研究,具體研究內容包括以下幾方面: 1作者首先介紹了軟土的成因和分佈,軟土的物理力學以及工程性質,闡明了軟土加固處理的必要性及目前軟土路基加固處理的方法。
  8. Expansive soil is one kind of high plasticity clay which may bring civil engineering heavy damage. it may make construction, especially the engineering of high - type roadbed, appear failure deformation. it is a kind of long - term latent danger to people ' s life

    膨脹土是一種會給工程帶來嚴重破壞的高塑性粘土,特別是對高等級公路路基工程和大型結構物所產生的變形破壞作用,往往具有長期、潛在的危險。
  9. The fresh soil and water loss caused in the road construction often appears at the roadbed, rock slope and the place for the discarded soils and gravel, which will do harm to the rivers, reservoirs and the crop fields and pollute the surrounding environment

    道路建設產生的新的水土流失主要發生在挖方、填方路基、邊坡、棄土(石)場以及施工過程中的亂挖、亂堆、亂倒,它主要危害建設區內的河流、水庫、農田和村莊,污染周圍環境。
  10. The short - sleeper and long - lump monolithic roadbed construction technique

    短軌枕長軌排整體道床施工技術
  11. How to ensure the project implement safely and effectively, esp in the complicated condition of geology, the terrain and its features, is the key to restrict the project finishing successfully ; in this paper, the theoretic analyse and pratical study based on the extension of 309 country road ( from wuan to shexian in hebei province ), adopt the method of theoretical analyse, caculater and experiment, improve the controlling blasting skill and construction crafr of roadbed stonework, control the blasting harm effectively, accomplish the construction quickly and safely in normal conditions. the paper puts forward to the relative parameter applying to roadbed extension in beforecrack blasting, and raises the combination of beforecrack demolition and buffer demolition, which is the main way to conctrol the side - slope stable and taking shape. putting to use the achievement produces great social benifet and economic benefitjt has widely practical future

    特別是在復雜的地質,地形及地物條件下,如何保證工程的安全快速有效實施成為制約工程順利完成的關鍵。本文的理論分析和實踐研究以國道309河北武安至涉縣段改建工程為依託,採用理論分析計算與現場試驗相結合的方法,研究並優化了路基石方控制爆破技術與施工工藝,有效控制了爆破危害,實現了保證現有公路正常運營條件下的快速安全施工,本文提出了在預裂爆破中適合於路基擴塹工程的有關參數。同時提出了預裂爆破與緩沖爆破相結合是控制邊坡穩定和成形的主要途徑。
  12. The application of approaching method in the roadbed construction

    淺談漸近法在路基施工中的應用
  13. The collapsible loess is often met during the construction of the high - grade highway in the loess area, and the main failure is the uneven subsidence of the roadbed and the culvert, which affects the safe usage of the roadbed and the culvert, etc. directed against this, based on the chankou - lanzhou freeway construction, the paper analyzes the application of the composite ground formed by lime - soil pile under the bridge and designs the project, discusses the rules of the contact pressure, the stress ratio of the pile and the soil, compares the p - s curves of one pile, the composite ground formed by one pile and the composite ground formed by two piles based on the in - situ plate loading test, evaluates the bearing capacity of the composite ground of the project

    黃土地區的高等級公路建設中經常遇到濕陷性黃土問題,其病害類型主要是地基土受水浸濕后引起路基、橋臺、涵洞等的不均勻沉降,直接影響路基、構造物等的正常使用。針對此問題,本文依託甘肅讒口至蘭州柳溝河高速公路建設工程,對橋基灰土樁復合地基應用的可行性進行了深入分析,根據具體工程進行了合理的設計與計算,並配合現場靜載荷試驗及壓力盒實測數據,探討了基底應力分佈規律,樁土應力比,變形模量的變化關系,對比分析了單樁、單樁復合和雙樁復合的p ? s關系,對橋基灰土樁復合地基承載力進行了整體評價。
  14. In order to search after its applying to expressway roadbed improvement, this paper studied consolidation characteristic and distortion law hi soft soil under positive and negative action, introducing parse explain and numerical calculation theory. additionally, based on locale experimentation, the design and construction method of vhlcp was implemented and its reinforce effect and economical character was estimated. testing indicated that the groundwork ' s intensity have increased 97 %, silt soil have vanished and outlay have saved 39 %

    根據現場試驗,確定了適合於高速公路工程要求的真空堆載聯合預壓的設計和施工方法,並分析評價了其加固效果和經濟性,試驗表明:應用真空堆載聯合預壓后,地基強度平均提高了97 ,地基中淤泥質土已消失;與粉噴樁加固地基相比,節省經費39 。
  15. Strengthen roadbed : it can strengthen roadbed, limit the time of construction and the quantity of sand. besides, it makes the road have a long service life

    穩固路基作用:加筋,隔離,穩定路基,加快施工進度,減少砂石用量,防止路面開裂,地基下沉,延長路面壽命。
  16. Probe into some problems in roadbed construction of wanda railway

    達萬鐵路路基施工若干問題的探討
  17. Development of the device of ljy - 1 roadbed construction quality inspection

    路基施工質量監測儀的研製
  18. Roadbed construction on permafrost will give substantial disturb for the heat and mass transfer balance between the ground surface and atmosphere, usually, roadbed construction increases the amount of absorbed heat via vegetation removal, solar radiation and increased role of water activities in the adjoining area, then cause the local degradation of the permafrost underneath, as a result may lead to damage of the roadbed

    多年凍土區道路的修築,改變了原來天然地表與外界的熱交換關系,通常由於地面植被的破壞、太陽輻射和水的影響,導致進入地層中的熱量增加,引起多年凍土區凍土的融化,從而導致路基面破壞。
  19. Plateau many year frozen earth area roadbed construction technology

    高原多年凍土區路基的施工技術
  20. By the engineering test, it emphatically anayzes its important contribution to roadbed construction

    通過工程試驗,重點分析了路基沖擊壓實技術在施工中的重要作用。
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