坡面體類 的英文怎麼說
中文拼音 [pōmiàntǐlèi]
坡面體類
英文
domatic class-
Two concepts of critical length of slope and maximum buckling place is defined here to evaluate its stability. applications of two practical projects demonstrate this method ' s accuracy and feasibility. at the same time, all the factors which maybe infect the slope ' s stability, such as the mechanical performance of joint and rock, physical and geometrical character of slope, are considered
並以兩個實際工程實例驗證了本文方法的精確性及可行性;與此同時,本文對各影響因素如結構面的力學特性、巖體的力學特性及坡體的一些物理幾何特徵對該類邊坡穩定性的影響作了分析。The new applications of survey are described in the fields of indicating underground advance, seeking out lossed ore deposit, discovering neotype deposit for detecting the gold deposit ; determining productive aquifer for looking for groundwater ; discovering fracturation zone controlling crop out of hot spring for developing the hot spring, and locating the position of ancient rock slide for prospecting the earth slide
摘要綜述了應用輕便測量技術在地礦及地下水尋找等方面的一些新應用,例如:在金礦勘探中指導坑道掘進,找到了被遺漏的礦體,發現了新的礦化類型;在地下水尋找中,確定了富水層位;在溫泉開發中,探明了控制溫泉出露的斷裂帶;在滑坡研究中,確定了古滑坡的具體位置。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。In smr system, the relation between discontinuities and slope freeing face was considered, so was excavating method. however, slope height was omitted in this system. as a result, smr is 5 - 10 point lower than that of actual stability
Smr法在rmr分類體系的基礎上合理地考慮了結構面產狀及其與臨空面的組合情況對邊坡穩定性的影響,另外將邊坡開挖方式作為參評因子,較全面地考慮了各種影響因素的綜合作用。This paper primary research and achievements that concerned about the dynamic stability for jindui city artificial filled relax high slope has been made as follow : ( 一 ) in the nature condition, utilizing finite - element method and engineering geology technique, gained the type, mechanism, rule of the deformation and destruction of the slope as below : the type of unitary destroy ; the shallow part destruction
本文主要從以下幾個方面對金堆城排廢場人工堆積鬆散高邊坡進行動力穩定性研究: (一)利用有限元模擬結果,結合野外工程地質調繪,得到研究區人工堆積高邊坡在自然條件下,有如下幾種變形及破壞類型:整體破壞( a ) ? ?蠕滑拉裂型、整體破壞( b ) ? ?拉裂滑移型、表部破壞( a ) ? ?細溝、沖溝型、表部破壞( b ) ? ?滑塌型。In this thesis, first, reasons and factors for the stability of loose rock dams were summarized according to the field surveys and certain expert ' s experiences. then, researches on block stability problems were reviewed, and according to the relationship between grain size and incipient velocity, it is found that the block weight is in direct proportion to 6 - 9 power of incipient velocity, and 50 % increase of the velocity will result in about 40 times change of the block weight. after that, experiments were conducted in a flume, focusing on the relationship between incipient velocity and some main factors including block weight, water depth over the dam, cross - section size, block material and river bed material
本文首先根據散拋石壩損毀情況的現場調查資料,結合有關專家多年的整治經驗,總結出壩體的損毀原因及影響因素;對現有塊體穩定性的研究成果進行回顧和總結,並針對散拋石壩的直接損毀現象,結合山區河流的水流、地形特點,利用塊體粒徑與起動流速的關系,提出塊體穩定重量與起動流速高次方成正比的概念,流速50的增長可能導致塊體穩定重量接近40倍的變化;通過二維變坡水槽試驗,研究了壩體穩定的主要影響因素,包括塊體重量、壩頂水深、斷面尺寸、塊體材料(塊石和卵石兩種) 、護底等,結果表明對于山區河流,試圖僅僅通過增加壩體單個塊體重量或斷面尺寸來提高壩體穩定性效果甚微;最後,根據西部地區的自然、經濟、交通等條件,提出可以採用柔性混凝土鉸鏈體等一類整體性較好的護面層作為散拋石壩的防沖毀措施,以期取得良好的工程效果。Secondly, the finite - element analysis on the typical slope section is performed with establishment of geology model, definition of boundary condition and proper selection of mechanical parameters. the result shows that the slope is of integral stability, and the failure mode mainly comprises infrequent block drop and wedge body breakage. considering the two failure modes of plane failure and wedge body breakage, and stability calculation under different work conditions, the slope stability is discussed and the sensibility ana lysis on its fraction angel and cohesion force is made
然後通過建立地質模型、確定邊界條件、選擇合理的力學參數,取典型斷面對邊坡進行數值分析,分析結果表明斜坡整體是穩定的,破壞類型以零星掉塊和楔體失穩下滑為主;為了定量計算邊坡的穩定性,對邊坡兩種破壞類型:單滑面下滑和雙滑面楔形體下滑,考慮不同工況進行穩定性計算,並對摩擦角和粘聚力進行穩定的敏感性分析。It is proved that the stability of rock mass high slope is mostly affected by lots of discontinuous structural faces like joints and faults, etc. it makes the rock mass be different from intact rocks completely in mechanical properties. so it is necessary for us to do some research on the deformation failure mechanism, and accordingly, we should do some research on the evolvement course and evaluation methods of stability about rock mass high slope
工程實踐證明,節理巖體高邊坡的穩定性取決于邊坡中的不連續結構面,如節理、裂隙、軟弱面和不同巖層的分界面,這類結構面的存在使巖體變形破壞的特性與完整巖石截然不同,因此,有必要加強對節理巖體高邊坡變形破壞機制的研究及相應的節理巖體高邊坡穩定性評價方法的研究。The main achievement has been obtained as follows in the paper : ( 1 ) most of class no. i and ii structure plane of the slope is steep dip and is more steep than the man - made slope, class no. i and ii structure plane do not compose latent local unstable block
論文研究成果如下: ( 1 )邊坡、類結構面以中陡傾角為主,且大多數大於邊坡開挖坡角。通過野外調研和理論分析,闡明工程邊坡開挖面附近, 、類結構面相互未組合成不利塊體。With the tectonic uplift of the source area and the climate turning dry, the coal forming period was over, the fluvial system and fluvial - delta system became to play a major role. based on the study of former researchers and the theory of deep basin gas reservoir forming, the deep basin gas trap in the ordos basin is analyzed and is supposed to form in the ramp of the basin. it is supposed that the hydrocarbon of the deep basin gas trap is mainly composed of coal, carbonate and carbonaceous shale and with the " upper water seal " in the north of the study area the g
根據深盆氣成藏理論和前人的研究成果,分析了深盆氣藏的分佈類型,認為鄂爾多斯盆地深盆氣藏屬于盆地斜坡成藏類型;認為深盆氣的源巖以煤、炭質泥巖、暗色泥巖和碳酸鹽巖為主;北部氣水倒置、東部露頭區有天然氣逸出;氣藏具有多重壓力系統;成藏機理主要是氣體動態的運移與聚集,穩定的構造背景有利於氣藏的大面積保存。On the basis of a full investigation and study and an integrated analysis of the geological setting and rock - mass mechanical environment of the bank slopes of the hydroelectric project area on the mainstream of the jinsha river and by combining the qualitative analysis with the quantitative evaluation, the authors calculated the instability of the sliding masses according to 1 / 8 and 1 / 11 of the total cubic capacity of the materials falling into the river and the surge wave heights at the falling sites as well as at the xiangjiaba and xiluodu dam sites and in adjacent townships according to the calculation method of the surge wave diagram given by the american society of civil engineers, made the risk evaluation of the bank slope instability with respect to the operation safety at the dam, safety of the cities and townships around the reservoir and safety of the reservoir operation, and put forward precautionary measures for bank slope instability
摘要筆者通過調查研究和綜合分析金沙江幹流水電工程區岸坡地質背景和巖體力學環境條件,定性分析與定量評價相結合,採用與三峽工程庫區岸坡失穩危險性評價相類比的方法,針對崩滑體失穩按總體積的1 / 8和1 / 11入江方量進行了計算和按美國土木工程學會涌浪圖解計演算法計算了入水點及在向家壩壩址、溪洛渡壩址和鄰近城鎮的涌浪高度,並圍繞大壩施工安全、庫區周邊城鎮安全,水庫運營安全等方面對岸坡失穩的危險性進行了評價預測,提出了岸坡失穩的防治對策。The others showed partly decreased, but the degradation of vegetation were obviously in lower reaches of tarim and cherchen river ; in the mountain area of southern xingjian, the forest area were increased, and the others decreased ; in northern xingjian, both the mountain and the plain area increased. they showed the decrease of desert and the increase of oasis ; the change of vegetation cover in the hexi corridor - alax desert were not obviously ; but in chai - damu basin, the area of desert and low cover grassland increased, the others vegetation decreased, especially in the high cover grassland. that showed the great degradation of ecosystem, and the most of degradation was shown in the north hillside of the arjin mountain and qi - lian mountain
而從各個分區來看,情況不盡相同:南疆地區平原區綠洲面積擴大,荒漠面積基本不變,其他類植被面積不同程度縮小,而在塔里木河下游、車爾臣河下游植被退化;南疆山地森林面積略有增加,其他類植被面積略有縮小;北疆的平原區和山區的植被狀況均有改善,表現為荒漠面積縮小,綠洲面積增加;河西走廊一阿拉善地區總體變化不大;但是柴達木盆地的荒漠面積、低覆蓋度草地增加,其他類植被,尤其是甚高覆蓋度植被(草甸)的面積縮小,表明該地區的生態環境退化,而退化表現的主要地區在環柴達木盆地的阿爾金山和祁連山的北坡。The factors included the characters of terranes and weak interbeds and the intersections with slope surface ; the characters and combinations of structure joints and the intersections with slope surface ; combinations of lithology ; dualistic structure of m - shaped slope made up of red rockmass and overlying deposit soil
按紅層邊坡巖體結構狀態,把紅層邊坡巖體結構劃分為4種,然後又按紅層邊坡巖體的巖性組合特徵、巖層產狀與坡面產狀的關系、結構面的發育情況及其與坡面的關系、以及上覆堆積土的邊坡巖體的坡頂線形狀和巖土組合特徵細分為13個類型和亞類。With the help of this program, this paper does research on the moved backwards of the slide surface, lengthening the anchor section, the soil nail ' s total force, gets conclusion about relations between the soil nail ' s length and the slope ' s grade, height, soil ' s mechanical parameter ; relations between soil nail ' s total force and coulomb soil pressure. with the help of the large multiuse finite element program ansys, this paper analyzes the soil nailing in one - step ' s slopes, in two - steps " slopes, puts the emphasis on the axis force ' s distributing along the soil nail at each rows, the effect of both the excavating mode and the original slope figure to the axis force of the soil nail, the one another effect between the upper - step slope and the nether - step slope in the soil nail ' s axis force, gets conclusion about the design of soil nail at the first low, different slope body is the same with different excavating mode, the original slope figure has more effect to some than others because of the slope body, the reasonably design of the step width in two - steps slopes, the two - steps excavating and retaining has more virtue than the one - step ' s. through soil pressure analysis this paper does research on the differences and the links between the coulomb soil pressure theory and the rankin ' s, the vertical pressure at the slope surface when the slope surface is inclined and the retaining wall is rough, the soil pressure ' s distributing behind the panel, gets conclusion about the effect of both the slope body inner stability and the slope surface local stability to the soil pressure
通過分析比較,論證了對數螺旋線型比圓弧形作為邊坡的假設滑裂面具有較多的工程優點,並為此編制了一個採用極限平衡法分析土釘支護的fortran語言程序,以此作工具對滑裂面的后移、土釘錨固段的超長、土釘總力的大小等方面作了研究,得出了有關土釘的長度與邊坡的坡角、坡高、土體力學參數的關系、土釘總力與庫侖土壓力間的關系等結論;採用大型通用有限元數值分析程序ansys分別對採用土釘支護的一階邊坡、二階邊坡進行分析,重點是研究各排土釘的軸力分佈規律、開挖方式及原始邊坡形態對土釘的軸力的影響、上下階邊坡在土釘軸力方面的相互作用,得出了有關第一排土釘的設計問題、不同類型的土體應適用於特定的開挖方式、原始開挖出的邊坡形態對一些類型坡體的邊坡土釘支護有較大的影響而對另外一些影響不大、二階邊坡臺階寬度的合理確定、二階開挖及支護比一階時具有較多的工程優點等結論;通過土壓力分析對朗肯、庫侖兩種經典土壓力理論的區別與聯系、坡面傾斜及墻背有摩擦時的坡面豎向應力分佈、面板背土壓力的分佈形態作了研究,得出了邊坡支擋土壓力受坡體內部穩定與坡面局部穩定兩個方面的影響、土釘支護面板背土體中卸荷拱的存在對面板受力有利等結論。These landslides go with fluidization peculiarity different degree in course of their motion, and their speed and distance increase several times because of the fiuidization, thereby the disaster area greatly broaden. on the base of above, the paper studies systematically the fluidization of large high - speed rockslides in all its aspects : analyzed the aerodynamic effect in the short - range on the base of the wind turmel experiment, studied the effect of falling into pieces when landslides collides mountain ; studied the accelerating effect through high - speed collide experiment of landslides model ; and the paper reappear the overall process including set - out, collide in the short range, debris flow in the long - range of touzhai large landslide via distinct element method ( dem ), studied the flow law and equation of different type of debris flow resulted from large landslide. as a sample to apply, the paper analyzed fluidization mechanism of touzhai landslide
基於這一點,本文對大型高速巖質滑坡的流體化現象進行了全面而系統的研究:通過風洞模型實驗,研究了大型高速滑坡凌空飛行階段的空氣動力學效應,研究了飛行中滑坡巖體在與途中不動山體發塵碰撞時的解體破碎效應,通過滑坡巖體高速碰撞模型實驗研究了滑坡巖體解體破碎後部分巖體的加速運動效應,並應用離散單元法再現了雲南頭寨溝大型滑坡啟動高速、近程碰撞、遠程碎屑流運動的全過程,研究了巖體解體破碎后形成不同類型碎屑流的運動規律及運動方程,並對頭寨滑坡流體化運動機理進行了實例分析,取得了以下主要結論和成果: ( 1 )對于大型高速滑坡,大多在啟程活動階段已獲得了高速,這使得這類滑坡在其離開剪出口之後以凌空飛行的形式向前運動,在其飛行過程中,滑坡巖體與空氣強烈作用,並產生空氣動力學效應,滑坡巖體在因碰撞而產生的解體破碎效應及部分巖體的加速運動效應的作用下,在遠程活動階段,以高速碎屑流的形式向前運動。Based on the reservoir bank protection project, the reconnaissance design, the construction, distortion slope body technical and so on, and according to the ecological prospecting and the forecast appraisal achievement of mountainous area reservoir runned for many years, through actual investigation of the collapses of the bank, the distribution distortion, the types and forming conditions, the collapses formation mechanism of the bank and the types of the pattern are analyzed, and of the bank collapsing parameter of each kind of gneiss under and above water stable angle of slope and so on are confirmend
摘要利用已運行多年的山區型水庫地質勘探、預測評價成果,在掌握庫岸防護工程的勘察設計、施工及變形坡體的監測等技術資料的基礎上,通過對塌岸及變形的分佈、類型及形成條件等方面問題的實測調查,分析塌岸效應的形成機制及模式類型,確定各類巖土體的水下及水上穩定坡角等塌岸參數。The main thrust of this study are follows : the primary study provides in detail the area structural properties including the fault systems, structure units, and trap types ; the secondary study including the sedimentary systems including stratigraphic classifications, depositional environment properties, infilling - evolution properties, and oil source analysis ; the third area of study including the geologic property of the north slope zone ; and the final area of study provides an analysis of gas and oil accumulation, the types and distribution of reservoirs, and the pool - forming models used
本研究主要從事了以下工作,較為詳細地研究了該地區斷裂體系、構造單元、圈閉類型等構造特徵;從地層劃分、沉積特徵、沉積環境、充填演化特徵、油源分析等方面研究了該地區的沉積體系;詳細地研究了油氣資源豐富的北部緩坡階梯帶的地質特徵;根據成藏動力學系統理論,較為詳細地研究了該區的油氣運聚模式、油氣藏類型及油氣藏分佈規律。In this dissertation, three contents are refered : ( 1 ) in this paper, we analyze the characteristics of seismic disaster of grottoes and discuss the calculation methods of four reinforcement conditions respectively. meanwhile, though the discussing probe into seismic stability of the reinforcement
本文的研究內容主要涉及以下三個方面: ( 1 )本文分析了石窟的震害特徵和所在邊坡的失穩影響因素,採用靜態理論分別對沒加固的、擋墻加固的、錨桿加固的石窟巖體進行了抗震性能分析,並且對不同加固類型石窟的抗震穩定性分析方法進行了探討。分享友人