bed slope 中文意思是什麼
bed slope
解釋
河床比降-
The relation between outcrop width and thickness depends on the dip of the bed, the slope of the ground, and the direction of traverse.
露頭寬度與厚度的關系取決于巖層的產狀、地面坡度和路線方向。 -
In this paper, based on the analysis of the rlem of theory foundation, computing method, preference, applicability, etc, we anatomized the rlem of three self - deficiencies and six scarcities. moreover, we adopted the parallel ways of contrasting the rlem with the fem and applied it to analyzing the impact of slide block of elasticity and plasticity, slip surface of coefficient and slip bed of elasticity, plasticity upon the stability of slope and in the plain linearity slope, the plain refracted line slope and the plain arc slope. in addition, we discussed the warp of between the lem of ( sarma, janbu, order, bishop, morgenstera - price, etc ) and the fem of result and the distributing of positive stress and shear stress on the slip surface
本文從剖析剛體極限平衡法的理論基礎、計算方法、參數選取、適用條件等方面入手，剖析了剛體極限平衡方法的3點自身缺陷和6點不足，並在此基礎上採用了剛體極限平衡法（平面滑動破壞法、 sarma法、傳遞系數法、普遍條分法、 janbu法、 bishop法、 morgenstern - price法）與大型有限元法對比研究的方法，分析研究了平面直線型滑坡、平面折線型滑坡、平面圓弧型滑坡在漸進破壞中邊坡的滑體彈塑性參數、滑麵塑性參數） 、滑床的彈塑性、以及極限平衡法無法考慮開挖應力釋放等因素對邊坡穩定性的影響與滑動面上的正應力、剪應力分佈規律、安全系數的解答的差異。 -
It shows that the water level in the definite reach is lower than that with same discharges before dredging river, the surface slope on upper reaches dredged is enlarged and deposition load on bed is reduced or eroded
主要表現在可以引起一定范圍河段內的水位較挖河前同流量下有所降低，開挖上遊河段水面比降增大，床面淤積量有所減少或發生沖刷。 -
The reason to creates this kind of destruction to be very many, the main of them is that the apron partially has not been able fully to display it to eliminate energy affect so causes the ditch bed to wash out, forms flushes the pit, leading to the apron, to guard against flushes the trough and both banks slope protection destruction, for a long time, disappear power design of plunge basin and layout have been focused on disappear power. but not to give the enough value on uses the sea to inundate the section to disappear power and adjust speed to reduced downriver washes out
水閘閘下沖刷破壞的部位絕大多數發生在消力池下的海漫和防沖槽處，造成這種破壞的原因很多，其中很大一部分是由於海漫部分未能充分發揮其消能作用而引起渠床沖刷，形成沖坑，導致海漫、防沖槽及兩岸護坡的破壞。一直以來，人們把消能的研究重點放在消力池的消能設計及平面布置上，而對海漫段消能及調整流速功能研究甚少，至於對海漫加糙水流運動建立數學模型，在國內外還很少見相關的論文資料。 -
This kind of instability bulk movement is induced by wave cyclic loading, as a result the slope of bottom bed decrease, water depth increase, and instability bulk movement has the character of subregion, regularity and head erosion, thus it will influence evolvement of region of interest landform, and change flow field and bottom stratum condition continually, so will lead to dynamic influence on structure foundation soil
這種不穩定塊體運動由波浪循環荷載誘發，其結果使底床整體坡度減緩，水深加大，而且不穩定的塊體運動具有小區域、多發性和溯源侵蝕的特點，將繼續影響著海域以後的水深地形的發展演化，並不斷改變著該區的流場與底床地層條件，對構築物地基土的穩定性產生著動態的影響。 -
Because the finite element method consider the relation of stress - strain of rock soil, so, it is more accurate and rational than other methods that it calculates side slope stability coefficient. the paper takes the road bed landslide as an synthetical protect system to the prevention of the slope, through the analysis of the origin cause of formation and stability analysis of different position, and adopting different methods to carry on rational and effective protection after studying different positions, in order to put forward the synthetical protection system
由於有限元計算方法考慮了巖土的應力? ?應變關系，因此，其求解的邊坡穩定系數比其它方法更為精確合理。而對于滑坡的防治本文則採取了路基?滑體綜合防護體系，通過對滑坡成因的分析及不同部位的穩定性分析，研究了不同位置採用不同的方法進行合理有效的防治，以求形成綜合防護體系。 -
( 2 ) study on the mechanics mechanism of the calamity caused by the cave of the highway : based on the investigation in detail along the line of the highway in shan - gan loess plateau, the distribution law, the classification and characteristic of hazard of highway cave are presented ; the calamity mechanism of highway cave opposite side slope and road bed is discussed, especially the mechanism of collapsing of the hidden cave in road bed. propose " the effect of hidden corrosion ", etc. 10 kinds send to mechanism of collapsing. based on the principle of limit balance, the formula of the critical treating thickness of hidden cave is put forward as follows : according to different stratum, different size and depth, the calculation of the critical thickness of the hidden cave of roadbed has been carried on
（ 2 ）公路洞穴的致災力學機理研究：在對陜甘黃土高原區公路沿線黃土洞穴詳細調查基礎上，研究了公路洞穴分佈規律、危害分類及致災特點；公路洞穴對邊坡及路基的致災機理，重點是路基暗穴致塌機理，並提出了「潛蝕效應」等十種致塌機制；利用極限平衡原理導出路基暗穴臨界處理厚度計算公式如下：針對不同地區不同地層，對不同尺寸和埋深的暗穴，進行了路基暗穴臨界處理厚度的計算。 -
In sichuan red basin, excavating cuttings in gently inclined red beds composed of sandstone and mudstone intercalations, mudstone would be indented inward by weathering, and result in a niche on the slope surface. slope, and the bearing force of the support structure must computed in design. in this paper, the overlying sandstone bed is regarded as cantiever beam, and a calculation method for the bearing force is developed, a calculation example is also given
分析了四川盆地緩傾角紅層地質結構特徵，將下覆泥巖風化形成凹巖腔后的砂巖視為懸臂巖梁，提出了一種計算泥巖風化凹進極限深度及在設計支撐柱時計算支護力的計算方法，並給出一個計算示例。 -
Particularly four following respect problems of main research of this thesis : first, excavating and optimizing of the road bed and the slope protect, on the basis of influence factor analysis and the slope design principle by the expressway of mountain area of limestone, we excavate the model of optimizing after putting forward the road bed which is suitable for the expressway of mountain area of limestone, through employ this optimize model, we can reduce the amount of road bed excavate, thus maximum reducing slope excavate destruction to environment and pollute ; according to limestone mountain area expressway characteristic of the cutting slope, we use the law of finite element and rmr of revision carry on stability analyze and appraise to their side slope ; combine the limestone rock body characteristic of mountain area, we have analyzed the corresponding side slope safeguard procedures
論文主要研究了以下四方面問題:第一，路基開挖優化。在分析石灰巖山區環境特徵的基礎上，探討了石灰巖山區路線設計的原則與方法;在應用有限元數值分析方法對邊坡的開挖穩定性進行分析的基礎上，提出了陡開挖強支護的石灰巖山區高速公路的路基開挖方式，並建立了填挖平衡，開挖面積最小的石灰巖山區高速公路的路基開挖量優化模型;結合石灰巖山區巖體特性，探討分析了相應的邊坡防護措施。第二，土石方處理及自然水系調治恢復。 -
This thesis, according to limestone environmental characteristic and characteristic of construction of highway of mountain area of limestone, sets out in excavating from the road bed of the angle of environmental protection, according to trying not to excavate, how to reduce to excavate, how to reduce and excavate the impact on surrounding environment of the course, how to go on the expressway view and ecological environment and how to carry on environmental quality resume, we employ theories such as engineering of traffic, rock soil engineering, traffic psychology, traffic aesthetics, operations research, etc. we have excavated environmental protection theory and method and carried on research to the mountain area expressway road bed of limestone systematically, propose the road bed to excavate and optimize, slope protect, discard cubic meter of earth and stone deal with, natural river system recuperate recovery, view environmental recovery, environmental quality resume theory system of appraising etc.
本論文依據石灰巖山區環境特徵和石灰巖山區高速公路建設特徵，從路基開挖中環境保護角度出發，按照盡量不開挖、如何減少開挖、如何減少開挖過程對周圍環境的影響以及如何對高速公路景觀和生態環境進行恢復、如何對建設項目進行環境質量評價等思路，應用交通工程學、巖土工程學、交通心理學、交通美學、運籌學等理論與方法，系統地對石灰巖山區高速公路路基開挖環境保護理論與方法進行了研究，構建了包括路基開挖優化、邊坡防護、土石方處理、自然水系調治恢復、景觀環境恢復、環境質量評價等理論或方法的石灰巖山區高速公路環境保護理論框架，為促進石灰巖山區高速公路的可持續發展提供了基本思路。 -
Moreover, attentions must be paid to the tributary with slight slope bed, because the water flowing into the tributary from the main channel during the uprising period of main channel flood may cause large - scale inundate in the tributary basin
研究結果表明：在干支流交匯口，幹流流量變化速率越大，支流倒灌流量越大；幹流洪水陡漲時灌入支流的巨大水量對底坡平緩支流可能造成的淹沒危害應引起充分重視。 -
At present, limit equilibrium method is one of the conventional slope stability analysis methods. it ca n ' t consider nonuniformity of mechanical characteristic of landslide body and its rock bed and the effect of stress distribution on the gilding surfaces, since the rigid body assumption is adopted in this method. furthermore, this method ca n ' t accurately consider inactive forces between slices
目前常用的邊坡穩定分析方法中的極限平衡法由於採用了剛體假定，無法考慮塌滑體及其基巖力學特性的不均勻性和滑動面上應力分佈的影響，此外還不能準確考慮條塊間的作用力，而另一種常用的邊坡穩定分析方法? ?常規有限元分析方法，當滑動面全部處于屈服狀態或邊坡的實際抗滑穩定安全系數小於1時無法求解。 -
First, total resistance is derived by summing different resistance components. the relationship between resistance of still plane bed and energy slope has been proposed from the similarity between sediment incipient motion and still bed resistance. and this relationship can be used in computing grain resistance
一是從不同的床面阻力單元出發，利用泥沙起動與定床阻力之間的相似性研究了靜平整床面的阻力，建立了靜平整床面阻力與能坡之間的關系式，並將此式用於沙粒阻力的計算。 -
Application of long - hole loose controlled blasting technique in excavating consequent bed cutting slope
深孔松動控制爆破技術在順層路塹邊坡開挖中的應用 -
However, the effect of blast quake and blast feedback often affect the stability of mountain slope and steep road bed deeply. they may induce disasters such as toppling. slipping and debris flow, also, they affect the safety and economy of engineering
然而，爆破震動效應及其連鎖反應對山坡體或高陡路基的穩定性具有很大影響，很可能誘發山坡體的崩塌、滑坡甚至泥石流等災害，嚴重影響工程的安全性和經濟性。
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