階地坡 的英文怎麼說
中文拼音 [jiēdepō]
階地坡
英文
terrace slope-
We have concluded that the structural movement of the area can be divided into three stages : the stretching stage from simian to early ordovician, the extrusion and rising stage from middle and late ordovician to jurassic and stable depressed stage of foreland basin slope from cretaceous to neozoic
經研究認為研究區的構造運動,主要分為震旦紀到早奧陶世的拉張階段、中晚奧陶世到侏羅紀的擠壓隆升剝蝕階段以及白堊紀到新生代的前陸盆地斜坡穩定沉降階段。But at the present, because of chronic geomorphy disintegration, altitude and ascent of bank slope have been built down and palliated. especial rock mass mechanics condition has not been existent, so all kinds of rock mass fracturing deformation was stopped to developing and steady
但目前因長期的地貌剝蝕作用,壩肩岸坡的高度及坡度均已大為降低減緩,特殊的巖體力學條件已不復存在,巖體內部的各類張裂變形亦停止發展,處于破裂發展穩定階段。The material sources of the zhangxia loess which is exposed on the terraces in zhangxia of changqing region of jinan are complicated, including materials transported by northwestern current and eastern bohai bay current and the local pluvial sediments
其中出露在河岸階地的濟南市長清區張夏鎮的黃土物質來源復雜,既有西北氣流、東部渤海灣氣流搬運而來的物質,又有當地生成的坡洪積碎屑物質。From the aspect of the coupling action of geological and engineering conditions, this paper analyzes their influences on high slope stability. the result shows that constructional surface, lithology, slope angle and height are the most influential factors. provided that a slope angle in a stepped slope is constant, the slope stability is very sensitive to the height / width ratios of steps, and the best design for the slope is to make the height of each step no more than one - third of the total height and the height / width ratio between 1 : 0. 2 - 0. 3
從地質與工程耦合作用出發,分析了地質因素和工程條件對高邊坡穩定性的影響,指出結構面、巖性以及坡角和坡高是邊坡穩定性的重要影響因素,在邊坡角一定的前提下臺階狀邊坡的臺階高寬比對邊坡穩定性影響山十分明顯,一般以每級臺階的高度不超過總坡高的1 / 3 ,高寬比在1 : 0 . 2 0 . 3之間為最佳設計。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 terrace before her hugged the curve of the road tumbling erratically down the hill and into the gloom
斜坡上的階梯不規則地向下延伸,一直到那陰暗處。On the long working step, internal force of beam - on - foundation can be calculated as inverse continuous beam on cutting slope surface operated by slope pressure with linear distribution
在工作階段,可直接按倒扣于坡面上的連續梁來計算地梁內力。The results show that distinct " bench " distribution rule takes on for the subsidence and distortion of bench - shape slope surface ; the movement range of bench - shape slope surface is smaller but its distortion is larger than those of flat surface and concentrated distortion occurs at every bench plan ; the surface horizontal distortion of bench - shape slope is still pressed in gob centre and tensioned in both sides of gob ; space - time effect should be taken into account for the stability of bench - shape slope influenced by underground mining
結果表明:露天煤礦臺階狀邊坡體的采動沉陷規律表現出很明顯的「臺階」分佈特點;臺階狀邊坡地表的移動范圍比平地地表要小,但變形卻更劇烈,且在各臺階平面處形成變形集中;臺階狀邊坡地表的水平變形仍然呈現出采空區中間受壓,兩端受拉的特點;臺階狀邊坡在地下開采擾動下的穩定性應考慮采空區的時空效應。On the base of fully utilizing the available data about tectonic maps and structural elements, the present paper has made synthesized research that used the ways of stratigraphic sequence edge unconformity analysis and stratigraphic thickness correlation analysis, and combined seismic - data interpretation, review of paleo - structure and ancient landform and research of tectonic evolution and petroleum system, and combined region and location, plane and profile and time and spatial. by the synthesis analysis on tectonic evolution of hetian paleo - uplift in tarim basin, the results indicate that : ( 1 ) hetian paleo - uplift is a sedimental and erosional paleo - uplift. the formation and evolution of the hetian paleo - uplift experienced three stages, that is, the uplifting and eroding stage of the caledonian period, the depositional stage of the hercynian period and the destroying stage of the himalayan period, and evolved from paleo - lift to inclining strap at last
本文採用地質和地球物理相結合的研究思路,運用多種技術手段和方法;在充分利用已有構造圖資料和構造要素資料的基礎上,運用地層層序邊界不整合分析法、地層厚度對比分析法,結合地震資料的精細解釋、古構造和古地貌的恢復、構造演化史研究、含油氣系統的研究,和區域和局部、平面和剖面、時間和空間的結合研究,對塔里木盆地和田古隆起構造演化及油氣關系進行了綜合分析,認為: ( 1 )和田古隆起為一沉積?剝蝕性古隆起;形成於志留-泥盆紀;其構造演化可分為三個階段,即加里東期的抬升剝蝕階段、海西期的沉積階段和喜山期的破壞階段,最終由古隆起演變為一斜坡帶。Meanwhile, most aspects about this perspective are concerned, which include quantification of the soil water background of the plateau area, the regional spatial variation of soil water background and variation along the slope, mosaic structure and seasonal changes etc. the results show that : ( 1 ) for the fundamental circumstance for vegetation development is the original debilitated slope, so the perspective of soil water background specially for the loess plateau refers to the soil water conditions on the original slope. ( 2 ) the value of soil water background appears to be a descending trend from south to north based on the difference of vegetation zones. in the forest zone, soil moisture contents beneath 3m depth from the soil surface are more than 12 % usually ; in the forest - pasture zone, the values of soil moisture content beneath 4m depth underground are more than 6 % and stable, and tend to be ascending while the depth increases ; but the values in the dry pasture zone is lingering between 4 % to 6 % from the surface layer to sub - layers
發展了「土壤水分背景」的概念,並以之為基礎對其各個方面進行了研究,使之形成一個相對獨立和完整的體系,主要包括黃土高原土壤水分的背景值、土壤水分背景的區域分異、坡面分異、鑲嵌結構及其季節分異等: ( 1 )由於植被生長發展、演替的基礎階段是天然草被群落,故認為黃土高原的土壤水分背景在概念上是特指該區天然草被群落下的土壤水分狀況; ( 2 )黃土高原的土壤水分背景值,根據植被地帶的不同表現出自南向北逐漸降低的規律:森林地帶3米以下土層水分背景值普遍穩定地高於12 ,森林草原地帶4米以下土層水分背景值穩定大於6 ,且均隨土層的加深水分含量逐漸增加,而草原帶的土壤水分背景值自土表至底土層一直在4 6之間徘徊。The structures and dynamic changes of the artifical sand - fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life - forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc. ), relationship between the vegetation community and characteristics of plant physiological activities. some results were showed as follow : 1. components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand - fixing vegetation
本文以騰格里沙漠東南緣寧夏中衛縣沙坡頭地區人工固沙植被作為研究對象,採用傳統生態學的野外調查方法,從植被群落的組成、多樣性、生活型、群落生長動態、垂直結構特徵、水平結構特徵、群落結構與周圍環境(土壤含水量、溫度)相互關系及其與植物自身生理生態適應特徵關系等多個角度研究了人工植被群落的結構及其動態變化,取得了如下研究結果: 1 、植被群落組成、多樣性及生活型:沙坡頭地區人工植被經過近50年的演變,從流動沙丘到固定沙地,沙地植被的動態變化經歷了從人工植被到人工?自然植被的轉變,從人工植被建立初期的少數幾種引種植物到現有30多種植物,隨著固定沙地時間的延長,植物種類日趨豐富,並且人工植被在15 25年、 40 50年兩個階段,物種的周轉速率最大,即群落結構變化最大。Instability analysis and control of a silty clay slope
湘江階地粉質粘土邊坡失穩分析與治理The strata of es, to middle ed3 belong to sequence i and upper ed3 to ed, to sequence ii. ( 2 )
( 2 )埕島東斜坡地區東三段至沙一段的沉積砂體成巖作用階段基本已進入晚成巖a 、 b期。( 6 ) conclusion was obtained by the analyzing the mechanics environment and the stability of the lanslide on the right bank after the dam built : the value of the rock mass stress increased and the tensile stress region obviously reduced, the direction of the principal stress was unchangeable the dam and the landslide were stable under the dangerous condition ( the reservoir and at the same time the earthquake was viii ), but when the water lever suddenly fell and did not think of other force, safe factor evidently reduced, the dam and the landslide will be destroyed under the most dangerous condition ( the water lever suddenly fell and at the same time the earthquake was vi ) ; the stability of the landslide will be destroyed by the horizontal thrust under the most dangerous condition or ; the physical and mechanical parameter will be reduced due to long period filter, the landslide will be destroyed too
( 6 )建壩工程荷載條件下河谷巖體力學環境分析及右岸古滑坡體的穩定問題分析得出:建壩后河谷的巖體應力量值明顯增高,同時左岸的張應力區的范圍及量值明顯減小,主應力的方向依然與模型的底邊界垂直;大壩建成后逐漸蓄水階段以及同時考慮本區最強地震力的作用等各種不同的工況條件時,滑坡體及壩體總體上仍處于穩定狀態;水位驟降時,在未考慮其他外力作用的情況時,滑體的安全系數將顯著降低。若考慮水位驟降及本區最大地震力的共同作用,壩體將在滑坡體下滑推力的作用下產生破壞;建壩后水平推力對右岸古滑坡體穩定性的影響分析可以看出,在最危險的工況條件下,壩體及滑坡體也將處于臨界狀態;在長期滲透變形的作用下,由於滑帶的物理力學參數的降低而有可能導致壩體失穩破壞。Wuxi county is located in typically fragile ecological strip - - three gorges reservoir area and belongs to national ecological environment construction key region. based on soil and water conservation project in wuxi county this article designs the landscape health assessment system and analyses health classes of degraded ecosystem by applying fuzzy ahp method, discloses degraded characteristics in aspect of land use patterns in wuxi county contrasted with bishan county, puts forward ecological restoration models combined with soil and water conservation harnessing, analyses and compares soil fertility quality in biological communities of different ecological restoration succession phases and restoration measures
本論文依託巫溪縣水土保持生態修復項目,運用模糊層次分析方法,進行退化生態系統的景觀健康評價體系設計與健康等級分析;通過對比研究巫溪縣與另一個生態修復試點縣? ?璧山縣的土地景觀空間格局分析,揭示巫溪縣土地利用格局上的退化特徵;提出與水土保持治理相結合起來的生態恢復模式;引用土壤肥力質量指數,對生態修復區不同生態恢復演替階段群落及不同時期坡改梯、休耕地與封山育林三項生態修復措施的土壤肥力質量分析與對比。In the paper, other research results are summarized, and a big test model indoor of row pile retaining and protecting deep foundation pit is designed. for homogeneous soil or samdwich soil structure three different retaining and protecting kinds : dense pile, thin pile and without pile are designed, using excavation simulation and loading on the top of slope, the model test is divided into two stages : foundation pit excavation simulation stage and destroy test stage. in this paper, for three different retaining and protecting kinds, the relation between soil pressure and displacement of piles, the relation between soil stress and strain, interaction of pile and soil and retaining and protecting loss - stability destroy are systemic studied
本文總結了前人研究成果,構築大型室內深基坑排樁支護試驗模型,在均質及層狀土層結構地基上,設計了密排樁、疏排樁及無支護三種不同支護型式,採用模擬開挖與坡頂均布加荷方式,進行了模擬基坑開挖和破壞性的兩個階段試驗,對三種不同支護型式的土壓力與樁位移、土體應力與變形、樁土共同作用及支護結構失穩破壞進行系統研究。This paper set up a geological model of sliding mass by geological condition analysis and selection cross section of character representation of guishan sliding mass. the stability of sliding mass is calculated and evaluation under bench stoping and deck excavation in terms of six excavation schemes with limit equilibrium method. there dimensional finite element method is applied to study the stability of sliding mass to the deck excavation schemes by means of computer simulation and calculation
通過對滑坡體工程地質條件的分析,選取滑坡體的代表性剖面建立了滑坡體的地質模型,選取極限平衡方法就滑坡體在臺階式開挖和整體開挖兩種不同開挖方式共6種具體開挖方案條件下,對滑坡體的穩定性進行了定量計算評價,提出臺階式開挖和整體開挖兩種不同開挖方式的的各開挖方案的比較結果,然後就確定的具體開挖方案開展三維有限元數值計算,並進行評價,以達到相互校核、相互驗證的目的,最後,確定出工程應用的開挖施工方案。On the basis of the geomechanical model for slope deformation and destruction, the developmental process of this landfall is divided into four stages, which are valley - side margin ripping, margin slope creeping, the short slip belt being formed and pierced, and the landfall befallen
通過宅基邊坡傷亡性黃土崩塌變形破壞的地質力學模式分析,將此類崩塌分為斜坡谷緣拉裂?谷緣坡體蠕動?短滑帶形成並貫通?崩塌土體剪出4個階段。The pastures are so tightly woven into courtyards that harmony is naturally created. the concepts of promenade, the grand avenue, was the transformation of japanese pavement, a ladder lie on the slight slope, leading to temple
主軸步道的設計概念源於日本寺院的參拜坡道,將中間畫分成階梯式平臺,有節節層理的美感,又因地形所產生的樓層高差的變化。2. the concept design is the key phase of the first stage of system optimization. the paper emphatically discusses with emphasis several issues difficulty to answer, such as the determination of the soil parameters, the soil pressure and the safety factor and the reliability of retaining structure, summaries and analyses the main geotechnical problems during the excavation on the four familiar geologic strata of saturation soft soil on the class i terrace of the yangtze river, aged - clay, expansive soil and loess and investigates carefully the patterns of deformation and destruction of pit slope in the saturation soft soil, puts forward three basic principles of selecting schemes of retaining structure, namely : facing to the problem, facing to the characteristics of excavation and environment
( 2 )概念設計是深基坑工程第一步優化? ?系統(方案)優化設計中的關鍵,文中重點討論了概念設計中的幾個難點問題,如土性參數的確定、土壓力的選取、深基坑工程的安全度和可靠度分析等;總結分析了飽和軟土、老粘性、膨脹土和黃土這四類常見地層條件下的深基坑工程中的主要巖土工程問題,其中重點研究了長江級階地上的飽和軟土深基坑邊坡變形和破壞模式,提出了選擇支護方案的基本原則,即:面向問題、面向基坑特點、面向周邊環境特點。分享友人