豎向測量 的英文怎麼說
中文拼音 [shùxiàngcèliáng]
豎向測量
英文
vertical survey-
Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied
在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理，從影響旋噴樁復合地基豎向承載力的因素入手，基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承載力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參數的深入分析和研究，提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析，深入探討了旋噴樁復合地基變形隨荷載變化規律、樁和樁間土變形協調關系、樁土應力比及復合地基壓縮模量的確定，並提出相應的設計方法和修正參數;此外，結合工程應用，對旋噴樁復合地基的施工技術及其現場質量檢測方法進行了較全面的探討。Now some universities and institutes of china have made some samples of the lunar rovers and theirs wheels, but until now the wheel ’ s mechanical performance is seldom researched and tested. this paper will analyze the mechanical performance of the wheel and design a test - bed to test the performance of the lunar rover ’ s wheel. firstly, the mechanical characters of the soil are separated to press - sinkage character and shear character based on bekker ’ s theory, and common press - sinkage and shear models are introduced and the theory of lankine passive earth pressure is also introduced
根據bekker半經驗法的基本思想，將土壤的力學特性分解為水平方向的剪切特性和豎直方向的承壓特性，闡述了地面力學中常見的土壤的承壓、剪切等力學模型，並引入了朗肯被動土壓力理論，為建立車輪在松軟土壤中前進和轉向的力學模型奠定了基礎，同時進行了實驗土壤的剪切實驗，測量了土壤的內聚力和內摩擦角等參數。In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。The results show that the ultimate bearing capacity can be increased 10 % - 40 % and the lateral displacement and vertical settlement can be decreased 20 % - 50 % and 30 % - 50 % respectively, if the sand foundation is reinforced by geogrid
由模型試驗測量結果得知，在砂土地基中鋪設塑料土工格柵，可以使承載力提高10 % ~ 40 % 、側向位移量減少20 % ~ 50 % 、地基軸線處豎向沉降減少30 % ~ 50 % 。In this section the author analyses the rules of the pile ultimate tip resistance and the shaft friction resistance distribution and their exertion of cast - in - place socketed piles instrumented with strainometers in soft muddy rock. the second aspect of the paper is the analysis on the current rock pile vertical bearing capacity in the four standards gb50007 - 2002, tb 10002. 5 - 99, jtj024 - 85 and jgj94 - 94, then the design method with correlated formula of socketed piles in xigeda - mudstone is given. at the end of this paper, based on the research of pressure grouting technique in recent years, and combined with in - site test result, this paper puts forward the design and calculation method to grouted pile in xigeda - mudstone and the principle of choosing grouting parameters, which provid es experiences for applying this technique and further studying
本論文結合省級科研項目「西攀高速公路昔格達組泥巖層中鉆孔樁提高承載力的研究」 ，所做的研究工作主要在以下三個方面：一是根據8根樁身內埋設量測元件試樁的單樁豎向靜載荷試驗資料，分析了各試驗樁特別是常規沖孔灌注嵌巖樁在昔格達泥巖中的軸向力、側摩阻和樁端阻力的分佈和發揮規律；二是在討論現行規范對嵌巖樁承載力的計算公式的基礎上，探討了在昔格達泥巖層中的沖孔灌注嵌巖樁的側摩阻和端阻的計算方法，並推薦了相應的計算公式；最後，在吸取近年來對灌注樁后注漿技術研究成果的基礎上，結合現場試驗研究結果，分析了該項技術在昔格達巖層中的應用效果，提出了相應的參數選取，從而為壓力灌漿技術的工程應用和進一步研究提供經驗，並為今後在該地層中合理選用樁型以及指導施工提供了依據。Through the fem calculation and the analyzing data of the field, the result is that the central wall mainly endures the vertical pressure from the structure transferring and its bending moment is relatively less and its position of the maximum value of the bending moment locates in the joint between the central wall and the steel framework
通過有限元計算和對現場監控量測數據的分析，論文得出：中隔墻主要承受結構傳遞的豎向壓力，彎矩值較小；鋼拱架的軸力以受壓為主，彎矩值在中隔墻上方位置處最大。Power plant structures have very strong professional characteristics because of its craft reasons, for example, the plane stiffness and vertical stiffness are not uniform, strong beam and weak column structures are often used, different types of members are used together, and the vibration problems are very serious, etc. all of this make the inspecting and appraising and strengthening of power plant structures have special characteristics, such as, there have no appropriate codes or standards to be used, the particularities of power plant structures and the special requirements of power industry must be thought about
火力發電廠結構因工藝原因具有很強的行業特點，比如：平面剛度不均勻；豎向剛度不均勻；強梁弱柱大量出現；不同種類構件共同使用；振動問題嚴重等。這些問題的出現也造成了針對電廠結構進行的檢測、鑒定和加固的特殊性，比如：沒有合適的標準和規范可供使用；檢測、鑒定和加固應考慮電廠結構的特殊性；要考慮電力行業的特殊要求等。The paper deals with the load distribution law and the development of side resistance and end resistance of single bored pile in loess under vertical load through a great number of tests in field on single pile employing some advanced equipments such as sliding micrometers. some examples are given to demonstrate the application of these laws into optimization design of piles
本文通過大量的單樁現場試驗，利用瑞士滑動測微等先進測試手段，分析和研究了黃土地基中鉆孔灌注樁單樁在豎向荷載作用下側阻力和端阻力的發揮特徵及荷載分佈規律，並用實例說明了如何利用這些規律進行工程優化設計。Prediction method of support vector machine for limit bearing capacity of single vertical pile
單樁豎向極限承載力預測的支持向量機方法2. the field ambient vibration tests induced by wind and normal traffic were carried to determine the real dynamic characteristics, including vertical, torsional, transversal and longitudinal frequencies and modal shapes, each cable tension force, as well as the figure of the bridge deck
2 .進行實橋在環境激勵下的動載試驗，測量該橋的豎向、扭轉、橫向以及縱向的動力特性，所有拉索的索力及橋面線型。Study on prediction method of vertical ultimate bearing capacity of single pile based on support vector machine
基於支持向量機的單樁豎向極限承載力預測分享友人