凍脹土 的英文怎麼說

中文拼音 [dòngzhàngtǔ]
凍脹土 英文
frost-heaving soil
  • 凍 : Ⅰ動詞1 （液體或含水分的東西遇冷凝固） freeze 2 （受冷或感到冷） feel very cold; freeze; be frostb...
  • 脹 : 動詞1. （膨脹） expand; dilate; inflate 2. （脹大） swell; distend; bloat
  1. Analyzing frost heaving and frost boiling of the roadbed

    季節性凍土區路基土的凍脹特性分析
  2. Standard test methods for frost heave and thaw weakening susceptibility of soils

    土壤對凍脹和解凍變弱敏感性的標準試驗方法
  3. Frost heaving analysis of corrugated pipe culvert without foundation in permafrost region

    多年凍土地區無基波紋管涵洞凍脹分析
  4. The slity soil has the greatest frost heave strength in all of soil and the aerolian sandy soil belongs to it, so it is necessary to the study on frost heave mechanics of aeolian sandy soil and measure of prevent frost heave in railway construction

    風積砂土屬于粉質土，而粉質土的凍脹強度是最大的，因而對風積砂土的凍脹性及其對鐵路危害的研究是非常有必要的。
  5. This article introduces the status quo of engineering and technology of foreign pipelines in permafrost regions, and puts forward the relative countermeasures for the construction of pipelines in the regions in allusion to the frost heaving and thaw settlement of country rock and soil along the pipeline route

    摘要介紹了國內外凍土地區管道工程技術現狀，針對凍土地區管道沿線和周圍（巖）土的凍脹和融沉問題，提出了相應的對策。
  6. Through a systematic research, the author enter to provide the theoretical basis for selecting reasonable index of normal frozen - heave forces and the technology for preventing and controlling frozen damage

    通過系統研究，渴望為季節凍土區涵閘類水工建築物基礎板的設計部門提供法向凍脹力值的設計指標，以便做到基礎的合理淺埋和進行抗凍脹設計。
  7. The aim of this thesis studies frozen - heave forces on culvert brake slab - foundation. first, it introduces the reasons and types of frozen damage of the slab - foundation in seasonal frozen soil conditions. secondly, the experimental studies of frozen soil mechanics were decided in order to revolve frozen - heave forces on the slab - foundation

    本論文以涵閘平板式基礎作為研究對象，首先探討了平板基礎凍脹破壞的原因及破壞類型，並圍繞涵閘工程平板基礎的凍脹力進行了工程凍土力學方面的試驗研究。
  8. The test obsvervation include air temperature, ground temperature, foundation moisture, freeze depth, freeze capicity, freeze residual capicity, groundwater table and shape transform of canal lining, etc. throught systemic observation, analysis of impact about each factor on fundation freeze capicity, evaluate effect on anti freeze of various canal lining, comparison on technology and ecnomic of different method, a kind of main canal lining format is been recommended to engineering practice with siutable to ningxia local feature, fufilling the need of main canal safey i application, economic and practical, that is using polystyrene plate laying under concrete slate and grit taking replace of filling layer and optimizing design

    試驗觀測內容包括氣溫、地溫、基土含水量、凍深、凍脹量、凍脹剩餘量、地下水位和砌體外觀變化等項目。通過系統的觀測，分析各因素對基土凍脹量的影響，評價各種襯砌型式的防凍西安理工大學工程碩士專業學位論文脹效果，並進行技術和經濟綜合分析比較，推薦出了適合我區特點、滿足乾渠安全運行、經濟實用、防凍脹效果好的乾渠防滲襯砌型式，即混凝土板下鋪設聚苯乙烯板和砂礫石換填層結構型式，加以優化設計，用於工程實踐。
  9. For example the concrete faced rock - fill dam in frigid zone is distinctive in terms of frost resistance and durability, cushion material seepage prevention and frost heave, adaptability of darn filling with season coordination among construction diversion, flood discharge and the whole construction schedule etc. lianhua construction which is situated in mudanjiang basin of heilongjiang province firstly creates the successful record of construction of large - size faced rock - fill dam in frigid zone, a series of internal and external problems not having a precedent to go by have been solved

    如在面板的抗凍耐久性、墊層材料防滲和凍脹特性、壩體填築與季節的適應性、導流和度汛與總體進度的協調等方面，寒冷地區混凝土面板堆石壩均有其獨特之處。蓮花工程位於黑龍江省牡丹江流域，首創了高寒地區修建大型面板堆石壩的成功記錄，解決了一系列國內外均無先例的難題。
  10. The phase change of soil moisture and inflation of the frozen moisture c ause the reduction of hydraulic conductivity by reducing the area of flow section and the aperture of soil pore space, increasing the capillary resisting force to soil moisture, and decreasing the water potential gradient because of the increasing of movement distances of soil water

    導水率減小是凍結土壤入滲能力減小的根本原因，而土壤中液態水的相變是導水率減小的根源所在。土壤水分的相變及其膨脹通過減小土壤水分過水斷面面積和孔隙孔徑，增大阻力和由於增長運動距離而減小水勢梯度使凍結土壤的導水率降低。
  11. 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。
  12. It is important that the land be well drained when fall planting is practiced in order to prevent soil heaving during winter.

    更重要的是在秋栽時要排水良好，以防冬季土壤凍脹。
  13. The experiment follows out leading thought on cutting and siutting freeze of fundation and enforcing inflexibility of concrete slate, choose han canal as typical experiment segment, collect freeze index of various canal lining framework, refer the advaced method at home and abroad, adapt new material to make experiment design

    本次試驗以「削減、適應基土凍脹和增強混凝土板剛度」為主導思想，通過大量灌區現狀調查，選取具有代表性的漢渠做為試驗段。
  14. In the cold geotechnical engineering, when the rock containing a mount of water was frozen, the inner water swells, and the freezing swollen force is emerged, in turn the rock became a multi damage material containing water, ice, air, rock

    在寒區巖土工程中，巖體中含有一定量的水，凍結后，水冰相變體積膨脹，產生巨大的凍脹力，巖體成為水、冰、巖，氣的多相損傷介質。
  15. The continual freezing and expanding, melting and submerging and melting and sinking of roadbed are the main problem on the building and maintaining of road in frozen earth area

    路基周而復始的凍脹、融沉和熱融滑塌是凍土地區道路建設和維護所面臨的主要難題。
  16. Forst heaving and thawing settlement of subgrade in seasonal frozen soil zone

    季節凍土區公路路基細粒土凍脹敏感性研究
  17. It was shown that salt expansion value of low liquid - limit clay was accumulated before the sixth freezing and thawing cycles, but the increment of salt expansion was reduced gradually with increasing cycles ; the salt expansion accumulation of low liquid - limit clay could be separated into three phases ; the deformation of clayey sand was mostly frost heave and subsidence under cycles, and collapsibility value of clayey sand was accumulated with increasing cycles ; the variation of salt expansion ratio and collapsibility ratio was a parabolic function of freezing and thawing cycles

    試驗結果表明：低液限粘土前五次凍融循環過程中鹽脹具有較好累加性，隨著凍融循環次數的增加，鹽脹量增長速度逐漸降低；含砂低液限粘土的鹽脹過程可以被分為三個階段；粘土質砂在凍融循環過程中的變形主要為凍脹和沉降變形，具有較好的溶陷累加性；低液限粘土、含砂低液限粘土的鹽脹率和粘土質砂的溶陷率與凍融周期之間的關系符合二次拋物線變化規律。
  18. The analysis on season ' s frost swelling and subgrade stabilizations

    季節性凍土地區路基的凍脹與融沉
  19. One of the most important one is the piles on the poor geological conditions such as saturated permafrost soil or underneath ice layers, such as : 1. frozen soil beside piles is thawed caused by construction and cement hydrate heat, it need quite time to recover freezing again ; 2. frost heaving sometimes pull up piles ; 3

    凍土地區樁基普遍存在著： 1由於施工、水泥水化等造成樁周凍土融化，需相當長時間內才能回凍； 2樁周凍土凍脹對樁的「冷拔」作用往往將樁拉斷； 3樁周凍土融沉引起負摩阻力。
  20. Ordinary it takes over 30 % cost of total irrigation buildings. in seasonal frozen soil area, frozen heave produces frozen - heave forces on the slab - foundation. it often make the slab - foundation damage due to bending, twisting and growth - up if the construction is build following non - frozen soil design methods

    季節凍土區涵閘工程是水利工程建設中常見的一種結構，一般占水工建築物工程造價的三分之一以上，在季節凍土區由於土凍結后產生的凍脹，對板基作用有凍脹力，所以按照融土壓力設計的板基經常發生彎曲、扭轉、上抬等破壞。
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