路基下沉 的英文怎麼說
中文拼音 [lùjīxiàchén]
路基下沉
英文
subgrade settlement-
Based on the terszige and biot theory, initially analyze the economical of this experiment, directly save investment 22 % after compute. after that, computing the settlement of highway foundation, comparing the computing and survey value, the predict formula of vacuum - heaped load combining precompression for designing, this formula show that the distortion law of consolidation progress. at the same time, based on the position and room experiment, analyzes the intension transformation in soft soil and criteria of stabilization control
在太沙基和比奧固結理論的基礎上，先分析了此次試驗的經濟性，經核算直接節約投資22 ，經濟效益十分明顯；隨后對真空堆載聯合預壓法加固軟土路基的沉降量進行了估算，並與實測值作對比分析，得出了真空堆載聯合預壓下的沉降量估算公式，能反映「真空」加固過程的變化規律；同時根據現場和室內試驗，分析了軟土強度的變化，以及給出並驗證了工后沉降控制標準。( 2 ) the lateral deformation is effectively limited by reinforced earth layers and the settlement becomes small. @ the lateral deformation is enlarged on soft foundations, and the settlement becomes large. @ the reinforced earth layers on soft foundations behaves extension. the response behaviors of high sand - gravel embankment are indicated as the following : ? he amplification factor of earthquake acceleration varies with reinforced earth structure. ( 2 ) the basic frequency of the original embankments in different reinforcement conditions is about 0. 76hz. ? the amplitude of dynamic deformation appears small and the dynamic stability is safe
研究表明：加筋土體能有效地限制路堤的側向位移發展，減小沉降變形量；軟基路堤的側向位移較大，將顯著地增大路堤的沉降變形；軟基上加筋土墊層中產生的拉應力最大；加筋砂礫土路堤在振動荷載作用下動變形反應較小，具有良好地動力穩定性。Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method
研究認為： （ 1 ）黃河河口口門逕流潮汐區域並非持續保持淤積狀態，在特定的來水來沙、邊界條件和海洋動力條件下，該區域可以處于沖刷狀態； （ 2 ）從河口泥沙沉積分配的過程來看：三角洲與濱海區泥沙的沉積變化趨勢是基本一致的，各部位的泥沙沉積比例變化基本呈波動狀態，且三角洲與濱海區泥沙的沉積比例與來沙量密切相關，基本成正比關系； （ 3 ）在口門處，影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等，本報告主要對口門加寬，口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定量分析: （一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式，據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 ）本項研究首次論證了河口三角洲岸線動態平衡的概念，並建立了黃河河口來沙量與造陸面積的相關關系，得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 ）本項研究首次提出了河口泥沙優化調控的概念，並對其宏觀優化調控模式進行了初步探討。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。Inspection and evaluation of curved railway embankment settlement
曲線鐵路路基下沉病害檢測與分析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。Whereafter, based on the analysis on the flood influence for traffic lines, the research is centered on the following parts : firstly, the destroying modes, reasons and mechanism of flooded lines are discussed, and the frameworks and countermeasures of preventing and controlling hazards system are put forward ; secondly, the ways of region forecasting for the landslide are analyzed and the automation of landslide forecast for certain site through visual programming is realized. furthermore, the function of dynamic segmentation in arc view is made use of to realize the forecast result ' s visualization ; thirdly, the reasons and patterns of roadbed subsidence are discussed and the methods of forecasting subsidence based on the gm ( 1, 1 ) model are put forward. then the applications of the arcview software and its extended module on the study of roadbed subsidence are debates upon ; fourthly, an analysis on the sources of flood for traffic lines, which situate in the reservoir coverage area, is given
接著，論文探討了山區交通線路災害的特點、分類、時間和空間分佈規律以及災害的防治原則和對策等；然後，以洪水災害對交通線路的毀壞為主線，重點研究和分析了以下幾個問題：第一，探討了洪水對交通線路的破壞方式，水毀原因以及水毀機理，並提出了交通線路水毀防禦系統框架和對策；第二，分析了雨季邊坡塌方災害的區段預測方法；通過可視化編程，編制了雨季邊坡塌方災害的工點預報程序，並結合arcview實現了預測結果的可視化；第三，對路基沉陷原因和模式進行了分析，並提出利用gm （ 1 ， 1 ）模型對路基沉陷區進行分析和預測，最後論述了arcview軟體及其擴展模塊在沉陷區研究分析中的應用；第四，對汛期庫區線路災害的原因進行了分析，並探討了利用數量化理論對路基防護工程抗洪能力進行預測的意義；第五，提出從風險的角度對交通線路的防災減災進行管理，對風險估計的相關問題進行了論述，並探討了交通線路水害危險區段的劃分問題。Conclusions as following have got through test study : ( 1 ) when impact compaction technology is applied to treat collapsible loess subgrade, the effect depth may be treated generally can not override 80 cm and impact compaction pass is optimum at 30 times. ( 2 ) for stratified impact compaction of subgrade, when compactness of each level reaches codeslstandards loose laying depth of 80 cm fits 40 impact compaction pass is the optimum combination of subgrade construction. when average compactness in each level reaches codeslstandards loose laying depth of 80 cm fits 30 impact compaction pass is the optimum combination o ( 3 ) the quality control method may request impact compaction pass as the main control index and at the same time the final division settlement is less than 10 % of total settlement as large area subgrade is constructed
通過試驗研究主要得出如下認識：沖擊壓實技術處理濕陷性黃土地基時，其有效處理深度一般不超過80cm ，沖壓遍數以30遍左右為宜；對路基分層沖壓，在要求土體中各點壓實度均達到規范要求時，路基沖壓最佳組合為虛鋪厚度80cm 、沖壓40遍；在只要求土體平均壓實度達到規范要求時，路基沖壓最佳組合為虛鋪厚度80cm 、沖壓30遍；大面積施工時，質量控制方法可按照在以沖壓遍數作為主要控制指標的同時，要求最後10遍分計沉降量小於累計沉降量10 ；在施工單位自己購置沖擊壓實機情況下，與傳統施工相比較，沖擊壓實技術是一種既能節約資金又能大量縮短工期的施工方法。To discuss farther the relation between compaction and deformability, moreover bring forward the reasonable method of roadbed compaction quality detection, the writer used the settlement data of the roadbed to validate father the correctness of the modulus value ; and demonstrated that it was not reasonable that the compactness is regarded as the only index representing compaction quality in the criterion, and demonstrated that the modulus of resilience is a credible index which represents compaction quality by contrasting the deformability of roadbed modes in the different compacted condition
為了進一步探討路基壓實與變形之間的關系，從而確定有效的路基壓實質量檢測方法，論文以昔格達填料路堤沉降監測資料為依據驗證了路基模量取值的正確性，通過不同壓實狀態下路基變形性的對比，論證了規范中僅以壓實度控制路基壓實質量存在弊端，提出了路基填築層模量是控制路基壓實質量的可靠指標。Research results show that the settlements of the road structure mainly come from the consolidation and the accumulative residue settlements under the cyclic loads. excessive uneven settlements will produce the premature failure on the pavement. and few researches on the interaction of pavement and subgrade have been developed at present
研究表明，路面路基結構的沉降變形主要來自地基路堤土層的固結壓密沉降和交通荷載反復作用下路面路基各結構層的累積殘余變形，路面路基結構發生過大的沉降變形會使路面過早破壞。Engineering damages of embankment in permafrost regions are mainly caused by thaw settlement of permafrost
摘要多年凍土區道路病害主要是由路基下凍土溫度升高融化下沉引起。Preparation for construction : the surface of the under layer should be even and firm, and in accordance with the design requirement, without loose material and flaccid site, and need to reroll 2 3 times within full - width range of the subgrade with vibrating roller before the construction, as well as test the compaction and defecting, to check whether there is unqualified point in the soil base
施工準備：施工前下承層表面要平整、堅實，符合設計要求，無鬆散材料和軟弱地點，施工前要用振動壓路機在路基全寬范圍內復壓2 3遍，同時進行壓實度及彎沉檢驗，檢查土基中是否有不合格點。The expansion soil on yangan railway roadbed cause many diseaseses, such as mud pumping, ballast pocket and settlement and extrusion, etc. when being serious there are too mud on sleeper and roadbed to walk on it, it is hard to keep the size of geometry of the track and often cause the car shaking and influence the security of the driving seriously
由於路基土質所特有的不良的工程性質。使陽安線基床病害十分嚴重，其中基床翻漿及下沉十分突出，它直接影響到軌道的穩定。使軌道幾何尺寸難以保持，經常造成晃車，一到雨季軌道面上及道床上全是泥漿以致無法行走，行車安全受到嚴重威脅。Through the static and standard traffic cyclic loads, the responses of the pavement and subgrade have been attained. the studies on these responses such as elastic deformations, accumulative settlements and stress have been made under the changed characters of subgrade, such as moisture content, relative compaction of subgrade. the results of the experiments show that superfluous moisture content increases the vertical stress and the settlements of the construction under the similar relative compaction
通過靜力加載和模擬路面承受的豎向交通荷載的重復加載試驗，研究了路面路基結構在雙輪車輛荷載作用下的動靜態響應，分析了路面路基結構在浸水狀態（土層含水量增加）和壓實密度降低等不利因數的影響下，路面路基各結構層的動靜力學響應特性，如彈性變形、累積下沉、土壓應力等的變化規律。What ' s more, the paper, based on a project example, suggested a rational widening embankment structure. by using finite element software - ansys, and according to different environment on soft ground ( including different height of embankment, different thickness of soft ground and different layer - number of reinforcements and so on ), the paper also analyzed the effects of the geosynthetics which reducing the non - uniform settlement of the new & old embankment, the deformation characteristics and settlement rule of the widening embankment structure, then presented rational widening programs of the embankment structure
另外，本文還以工程實例為背景，擬定軟土地基上舊路加寬比較合理的路基結構，並運用大型有限元分析軟體ansys進行有限元分析，就軟土地基上舊路加寬結構在不同的情況（主要指不同的路基高度、不同軟土層厚度、不同的加筋層數等）下，對土工合成材料減少新舊路基不均勻沉降的效果進行分析計算，討論了軟土地基上加寬路堤在不同情況下的變形特徵和沉降規律，並在上述基礎上，提出不同情況下較合理的路基加寬方案。To control the settlement of roadbed, the degree of compaction regulated by current criterion is not enough, the mechanics parameter of filler compacted - - deformation parameter should be considered and dual control criterion should be put in practice. to get upper deformation parameter of xigeda stratum filler, the percentage of mudstone should be controlled. the thickness of filling layer regulated by current criterion can be increased if the compaction car has proper function
通過此次研究，獲得了對路堤變形問題的新的認識，即為了控制路堤的沉降變形，不僅應滿足現行規范中規定的壓實度標準，還應該引入填料壓實后的力學參數? ?變形模量值標準，實行雙重控制標準，而對于昔格達地層這種混合填料，為了獲得較大的模量值，應該控制填料中泥巖的含量；現行公路路基施工規范中對路堤填築時分層填築厚度的規定值，在壓實機具功能滿足的條件下，可以適當提高。Radial point interpolation meshless method with unequal - rank polynomial basis is selected and its shape function formed manner is discussed. then, the mainly solved equations for plane strain biot consolidation problem with this method are given. moreover, the according calculation program is written
本文探討了不等階（多項式基）徑向點插值無單元法形函數插值格式，給出了其求解平面應變下比奧固結問題的主要方程，編寫了相應的計算程序，並對軟基路堤的沉降進行了非線性計算，取得較滿意的結果。Because the high pore - water ratio, lower strength, high compression all are the characteristics for the soft foundation. therefore, per - loading technique is usually adopted to get rid of most deformation due to primary and secondary consolidation before construction. even so, the foundation settlement after construction will exist for a long period
軟粘土路基在外荷載作用下，其沉降一般是比較大，通常在建造前一般會進行較長時間的堆載預壓，以消除大部分固結沉降和次固結沉降，盡管如此，路面的工后沉降仍然會在很長時間內繼續存在。This leads to the limitation of the development of djm composite foundation, so it is important to investigate composite foundation theoretically. lt has become a hard - of - hearing problem in geotechnical engineering. this paper has analyzed the mechanical properties of reinforced ground by means of model test and the application of finite element analysis software ansys. some basic regularities of the load distribution, deformation characters, and so on, has been gained
本文將通過室內模型試驗並藉助大型有限元分析軟體ansys ，考慮復合地基中各種材料的非線性特性，對路堤載荷下粉噴樁復合地基的沉降特性進行初步的室內模型試驗分析和數值模擬分析，找出粉噴樁復合地基的應力場、位移場、變形特性等的一些基本規律。The earth surface of the surface relief low - lying region has been stagnating water all through the year, that effects the stability of the road foundation. through mainly analyzing the treatment of unfavorable geological foundation, this article discusses and settles three questions as followed : l. the treatment and construction methods of soft - soil foundation. 2. the treatment and settlement of high - fill construction foundation
論文中著重分析了地質不良地基的處理方法，探討和解決了以下三方面問題：一、軟土地基的處治及施工方法；二、高填方路基的下沉與處理方法；三、鶴伊公路地質不良路段地基的處理方法。分享友人