凍土路基 的英文怎麼說
中文拼音 [dòngtǔlùjī]
凍土路基
英文
permafrost subgrade-
Because the road line is in mountainous region and heavy hilly area and its surface relief undulates greatly, more slope wash and dilurial layer distribution, there are more harm, for example, island shaped perennially frozen soil, drift ice and so on, which effect the stability of the road foundation
由於沿線地處山嶺重丘地區，地勢起伏較大，坡積物及洪積層分佈較多。故島狀多年凍土、涎流冰等病害較多，影響路基的穩定。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( 1 ) modeling of numerical analysis of frozen soil ventiduct roadbed by ann ( 2 ) developing the ann optimization design system for ventiduct roadbed in permafrost area ( 3 ) defining of the sequel learning tactic of three layer bp network ( 4 ) improvement on bp arithmetic in ann module
（ 2 ）開發了凍土通風管路基優化設計神經網路分析軟體系統具有完整的前後處理、溫度場分析、設計方案優化等功能，能滿足工程應用的基本需要。還能夠作為數值分析子模塊，以標準com組件形式嵌入「青藏鐵路數字路基」 gis系統。Study on convection cooling of the crushed rock in cold regions
凍土區碎石路基對流降溫的研究Applying those engineering techniques, at present, the following results are obtained : the ground temperatures on the top and at the bottom of an embankment made of crushed rock are all lower than those of common embankment, so the crushed rock embankment is of great advantage of decreasing embankment temperature, and becomes an effective and initiative engineering measure to protect permafrost ; the crushed rock embankment can actively adjust the temperature difference between south slop and north slop, and mitigate the asymmetry of ground temperature ; the deformation of the crushed rock embankment is less than that of common embankment
通過以上的施工技術，取得了相應的階段性成果：片石路基片石層頂面、底面與路基基底位置處地溫分別低於普通路基相同位置處地溫，片石路基有利於降低路基地溫，是一種有效的主動保護多年凍土工程措施；片石路基在調節路基陰陽坡地溫起到了積極的作用，減輕了路基地溫不對稱性的發生；對比片石路基和普通路基的路基變形量，片石路基的變形量相對較小。The strength of frozen soil will decrease obviously if it is thawed, especially when ice lens is abundant in it, which is the main cause of the mud pumping in subgrade as well as the instability of foundation in seasonal frozen ground regions
摘要凍土，特別是含冰透鏡體的凍土解凍時，出現強度大幅度下降的弱化現象，這是季節凍土區內路基春季翻漿冒泥、地基失穩的重要原因。Study on working mechanism of embankment with insulation in permafrost regions
多年凍土地區隔熱板路基工作機理研究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。Results showed that the temperature distribution of the traditional embankment was asymmetrical ; the asymmetrical status was changed after ripped - rock revetment was installed and the soil under the ripped - rock was cooled obviously ; the ripped - rock revetment could cool embankment and adjust the temperature difference between the north - facing slope and the south - facing slope ; the ripped - rock revetment was an available technique to protect embankment from thawing settlement and longitudinal cracks in permafrost regions
結果表明：普通路基的陰陽坡兩側溫度分佈極不對稱；鋪設拋石護坡后，這種狀況得到了很大改善，並且拋石護坡下土體溫度明顯降低；拋石護坡能夠降低路基溫度和調節路基陰陽坡的溫度差異；拋石護坡是多年凍土區防治路基融沉和縱向裂縫病害的一種可行措施。Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up
本文基於「主動冷卻」地基的思想，以及針對凍土地區普通混凝土樁存在的三大問題，提出了一種新型樁的設計思路，運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究，即在凍融活動層的深度范圍內，在混凝土樁身的表面刻槽，修築完時槽內填充碎石、塊石等多孔介質，通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制，而在夏季只存在熱傳導，來達到主動冷卻樁周凍土和抬升凍土上限的目的。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。Based on the several year data of permafrost in the region of fenghuoshan mountain, this paper not only studied the transformation of upper limit of permafrost in natural ground and roadbed but also the thawing of permafrost, and analysed quantitatively the status of heat which have entered permafrost
摘要基於對多年來風火山地區的多年凍土資料，研究了天然地區和路基下的凍土上限變化情況以及多年凍土的融化狀態，並定量分析了進入多年凍土內的熱狀況。Discussion on design and construction of vibra - tion - proof steam turbine foundation
青藏鐵路二期土建工程第十九標段凍土路基設計原則及施工保障措施Research on project of in - situ test for seasonal frozen soil subgrade treatment in plateau
高原季節性凍土路基處治的現場試驗方案研究On construction of weak frozen and low liquid limit clay foundation in the area of northeast china
淺談東北地區弱凍低液限粘土路基施工With the example of suibei highway, the paper expounds the general construction method of filling the weak frozen and low liquid limit clay foundation in the area of northeast china
摘要結合綏北公路建設實例，闡述東北地區弱凍低液限粘土路基填築施工的一般方法。In order to study the features of freeze - thaw settlement in the permafrost, in this paper a two - dimensional numerical model of deformation and stress fields in embankment is established, together with finite element method, to calculate the distributions of deformation and stress fields of the freezing soil in an embankment
摘要為了研究凍土的凍脹特性對公路路基穩定性的影響，建立了凍土路基變形場及應力場的二維數值計算模型，並應用有限元法求解路基土體凍結時變形場和應力場的分佈規律。Simulated experiment study on the temperature field of frozen subgrade modulated by horizontal pipes
縱向布管調控凍土路基溫度場的模擬試驗研究These steps make the temperature field of roadbed stable and solve the problems of roadbed frozen dis aster to some extent
這些措施在一定程度上保持了凍土路基溫度場的穩定解決了路基凍害問題。This paper finally reasoned that eps is practical and effective in the frozen earth roadbed project and raised the disadvantages during research and some problems that should be noticed in order that eps can be made full use of insulating heat
論文最後得出了eps保溫板在凍土路基工程中應用是可行的，也是有效的，提出了為使保溫板保溫隔熱性能充分發揮應注意的問題。分享友人