水位坡降 的英文怎麼說
中文拼音 [shuǐwèipōjiàng]
水位坡降
英文
gradient of water table-
Besides, the sedimentary facies of upper ganchaigou and lower ganchaigou formation were also mapped in supersequences which are the main target strata for exploration. the high resolution sequence stratigraphic framework showed the genetic relationship between the distributions of sedimentary facies and their tectonic settings. the near - source sedimentary systems such as subaqueous alluvial fan and lake - floor fan are often deposed in rise - hemicycles in the steep slope background in the north, the coarse lithology of fan - delta prograded from north to south in fall - hemicycles, and the braided stream facies are formed in the rise - hemicycles in gentle slope background in the south, braided stream facies prograded from sorth to north in the fall - hemicycles, but the lacustrine facies and salt lake facies developed in the middle part of the area
詳細的沉積相研究發現，紅獅地區第三系發育有沖積扇、水下沖積扇、河流、三角洲、扇三角洲、湖泊和湖底扇7種主要沉積相類型，並對作為區內主要勘探目的層系的下乾柴溝組和上乾柴溝組進行了以超層序為單位的沉積相平面編圖，以較高的時間解析度揭示了區內沉積相帶的平面展布及其在不同構造背景中的分佈規律，比如在北部的凹陷陡坡背景下，上升半旋迴低水位期通常發育有水下扇、湖底扇等陡岸近源特徵的沉積體系，下降半旋迴高水位期，扇三角洲相粗碎屑巖由北向南進積;在南部的凹陷緩坡背景下，上升半旋迴主要發育辮狀河流相，下降半旋迴辮狀河三角洲相由南向北進積;而中部紅柳泉一獅子溝一帶則為湖泊相沉積和鹽類沉積。By surveying the sample plot, the relations between the stabil ity of the mountai n slope of soil preparation for planting by using explosion and other factors s uch as precipitation, terrain ， were studied. by using the method of quantitative t heory i, the interrelation between the damaged degrees of soil preparation progra ms by using explosion in low mountain area with abundant precipitation and terrain factors was systematically analysed, and the mathematical models relate d were developed. the results show that the precipitation in early days and the m aximum precipitation per day are the primary factors causing the soil prepara tion program damaged. the main terrain factors of the mountain slope that affect the program stability are according to their importance, slope, position and dir ection. the suitable mountain slope for soil preparation by using explosion is th e slope of less than 25
通過典型標準樣地調查資料，探討了造林爆破整地工程的坡地穩定性與降水、地形等因子的相互關系，應用數量化理論，對在有充分降水條件下的低山丘陵區的爆破整地工程損失程度與地形因子之間的關系進行了系統分析，並建立了相應的數學模型，研究指出，充分的前期降水和日最大降雨量是引起爆破整地工程損失的激發因素；影響爆破整地工程穩定性的主要地形因子是地面坡度，其次為坡位、坡向，實施爆破整地工程的地面坡度以不超過25為宜。This paper, in the light of the special geological environment and actual project situation of the three gorges reservoir area, puts forward a comprehensive analysis and evaluation system suitable for the stability analysis of the bank landslide of the three gorges reservoir area under the premise of thorough consideration of the water influence on the stability of the bank landslide, and obtains the following achievements in several aspects that have the practical application significance and certain scientific research value : ( 1 ) it is discovered that the water activity is the primary factor of the formation of the new landslide and the revival of the ancient landslide. on the one hand, the rising underwater level reduces the actual stress of landslide ; on the other hand, the long time soaking of the underwater reduces the mechanics intensity of the landslide and the slide belt, both of which reduce directly the landslide stability ; ( 2 ) in view of the special condition of the three gorges reservoir area, this paper analyzes systematically the forces acted on the landslide of the three gorges reservoir area and the force varieties acted on the divided landslide when the water level changes between 175 meters and 145 meters. thus it is more scientific and comprehensive for the analysis of the forces acted on the landslide ; ( 3 ) this paper summaries systematically 10 kinds of typical computation projects by organic combinations of different kinds of situations in the dry season ( nature statue ), rainy season ( rainstorm or rains for a long time condition ), with 175m water level in the reservoir, during the earthquake, with the water level of the reservoir adjusted from 175m to 145m and so on, and produces
本文針對長江三峽庫區特殊的地質環境與工程實際情況，在充分考慮水對庫岸滑體穩定性影響的前提下，提出了一個適用於長江三峽庫岸滑坡體穩定性分析的綜合分析評價體系，並取得了如下幾個方面具有工程實際意義和一定科學研究價值的研究成果： （ 1 ）研究結果發現，水的活動是新滑坡形成或古滑坡復活的主要因素，一方面是由於地下水位升高降低了滑坡體的有效應力，另一方面是由於地下水的長期浸泡降低滑體及滑帶的力學強度，這兩方面的因素均將直接降低滑坡的穩定性； （ 2 ）針對三峽庫區的特殊條件，系統分析了作用於三峽庫區滑坡體上的力系和庫水位在175m與145m間變化時滑體條塊的受力變化，從而使對作用於滑坡體上的力系分析更科學、更全面； （ 3 ）通過對滑體處于旱季（天然狀態） 、雨季（暴雨或長期降雨狀態） 、 175m庫水位、地震以及庫水位由175m調節下降至145m等各種不同情況的有機組合，本文系統地歸納總結出了10種典型計算工況，並具體給出了相應的作用荷載的計算方法，使在庫區岸坡滑體穩定性分析評價時對計算工況選擇及其作用荷載的計算更具規范性； （ 4 ）具體運用c + + builder開發了關于滑坡體穩定性綜合分析評價系統，使對滑坡體穩定性分析計算更方便、更準確； （ 5 ）將上述滑坡體穩定性綜合分析評價系統應用於重慶市豐都縣名山滑坡穩定性分析的具體事例中，分析結果表明，本文所提出滑坡體穩定性綜合分析評價方法對三峽庫區的滑坡穩定性分析是實用可行的。When the three - gorge reservoir is sluiced, the underground water level will ascend obviously and mechanics parameters of the slip strip below the reservoir water level can drop further, sidaogou landslide can lose stability wholly in controlled condition influenced by buoyancy of underground water and saturation stress at water level dropping
三峽水庫蓄水后，滑體內的地下水位將明顯抬高，庫水以下的滑帶力學參數會進一步降低，受滑體內地下水揚壓力及水庫水位降落時滲透壓力的影響，四道溝滑坡在控制工況下可能整體失穩。These measures included the slope horizontal displacement monitor, the supporting structure swag monitor, the subsidence monitor, the pre - stress of anchor monitor, the ribbed beam steel stress monitor. we monitored the whole process and got feedback information in time, so the trend and development of slope " s displa
在施工過程中，我們採取了邊坡穩定性安全監測措施，主要包括邊坡水平位移觀測及支護結構撓度觀測;沉降觀測;以及錨桿應力監測;助梁鋼筋應力監測等。進行全過程的檢測並及時反饋信息，隨時掌握邊坡的位移趨勢與發展。Sichouchang slope is also probably to destroy though its stability is better than that of laofangzi slope
絲綢廠滑坡相對于老房子滑坡穩定性略好，但在庫水位驟降的情況下也有可能整體失穩。The collapsing scope of bank accumulation body of zipingpu reservoir in national highway 213 which caused by the sharply falling of water level of zipingpu reservoir is estimated according to the fem plastic zone graph
根據有限元法得出的塑性區圖，對紫坪鋪水庫蓄水后水位驟降可能引起213國道紫坪鋪庫區庫岸堆積體的坡角坍塌范圍進行了估計。Then the stability of typical slopes in different conditions such as servoir water level ' s ascending, slowly descending and sharply descending are evaluated and forecasted by means of the limiting balance method and the numerical simulating method ( flac )
利用極限平衡法和數值法（ flac ）對庫區內的典型斜坡在庫水位上升、庫水位緩慢下降和庫水位驟降等不同工況條件下的穩定前景做出了合理的評價與預測。( 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。( 2 ) calculation of landslide stability indicates that landslide stability is worse and worse if reservoir is sluiced and water level is going up, and the worst condition will happen when the water level drops from 175m to 145m and six degree earthquake overlaps
滑坡穩定性有限元分析表明，當水庫蓄水時，隨著水位的上升，滑坡穩定性越來越差，最為不利的工況是水庫水位從高程175m降至145m同時加度地震的情況。Based on rainfall and evaporation amount, the change of soil water could be divided into three main periods, such as decreasing of soil water storage in spring, alternatively decreasing and increasing in summer and autumn, and relatively stable in winter
根陳洪松博士學位論文:黃土區坡地土壤水分運動與轉化試驗研究據年內降雨和水面蒸發量的相對大小，可將土壤水分的變化分為三個主要時期:春季失墑期、夏秋增失交替期和冬季相對穩定期。In numerical calculations, the effects of rainfall pattern, shape of slope layer and changing slope to the development and decline of subsurface flow were examined
數值計算驗算了降雨的方式，斜坡地層的形狀以及坡度的變化對地下水位進展和衰退過程的影響。The rigid limit equilibrium computation and finite element computation have been performed which concluded that the integral stability coefficient of no. 2 landslide shall be the minimum value when water level is 2145m a. s. l., then the coefficient increases slightly as the reservoir water level rises up, there exists, however, a fact that the stability coefficient of local section may tend to decrease continuously along with the rise of reservoir water level
進行了剛體極限平衡計算和有限元計算，證明號滑坡的整體穩定系數在2145m水位時最低，在此水位以上，將隨庫水位升高而略增；但局部斷面穩定系數有隨庫水位升高而不斷下降的情況。At last, the paper interprets the geological background of the forming of landslides, and reveals the landform, stratum, lithology and geologic structure based on the etm + image. and also, the paper interprets the location and distribution of the specific disaster bodies based on the quickbird image. through the analysis of the extracted information, the paper considers : the geologic structure of fengjie county is complex, and lithology is crashed ; the terrane in the canyon segment is fairly stable ; the terrane in some segments of the southern bank will be less stable after the water is stored, because the rock is in the same direction and is apt to slip with human project
最後在etm +圖像上對滑坡發育的地質背景進行解譯，提取了地形、地層巖性、地質構造等信息，在quickbird影像上詳細地圈定了滑坡災害體的實體位置及發育范圍，通過對所提取信息進行分析，本文認為，奉節縣地質構造復雜，巖性破碎；峽谷段巖層穩定性較好；南岸部分地段為順向巖層分佈區，人類工程活動容易誘發順層滑坡，蓄水后庫岸整體穩定性下降。In this dissertation, rainfall infiltration, runoff, and soil water redistribution on a hillslope were studied by simulated rainfall experiments, and soil water cycling was investigated by site observation and soil sampling methods. moreover, the reasons for the desiccation of deep soil layer were analyzed, and its assessment indexes and standards were presented. the main results are as follows : ( 1 ) rainfall infiltration into a planar hillslope with a homogeneous isotropic soil could be simply regarded as one - dimensional infiltration process, if soil erosion was prevented
針對當前該區植被恢復重建中存在的科學問題，以植被建設的關鍵性限制因素?土壤水分為出發點，通過室內外模擬降雨試驗，研究了坡地降雨入滲、產流及土壤水分再分佈規律，同時採用定位觀測和采樣分析相結合的方法，分析了坡地土壤水分的循環與轉化特徵，並初步建立了深層土壤乾燥化程度的評價標準，取得的主要結論如下： （ 1 ）在防止土壤侵蝕的條件下，均質坡地的降雨入滲過程可以簡化為一維。During the rainfall experiment with a flow discharge, the influencing degree of rainfall splash intensity on the overland flow sediment contain had something to do with the runoff discharge above
在放水加降雨試驗中，雨滴打擊強度對坡面流泥沙含西安理工大學碩士學位論文量的影響與放水流量大小有關。According these, slope engineering can be done. then, researches the relation between rainfall and slope, including two sides : one is relating water infiltration and soil state by soil ' s water content to show that slope situates most disadvantage circumstances when rainfall comes. the other is showing the relation between rainfall and slope by data from monitor. last, applies grey system to the slope, including gm model forecasting and grey association analysis
然後對滑坡和降雨之間的關系進行研究，包括兩方面，一是利用土體含水量將雨水的入滲和土體的飽和非飽和狀態聯系起來，驗證了暴雨或者持續降雨來臨時土體處于最不利情況。二是通過實測的降雨量和位移速率關系，來直觀表現滑坡和降雨的關系。分享友人