沉降角 的英文怎麼說
中文拼音 [chénjiàngjiǎo]
沉降角
英文
depression angle-
Land subsidence monitoring of yangtze delta region
長江三角洲地區地面沉降監測In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared
本文在已有研究成果的基礎上進一步開展了以下幾方面的研究： （ 1 ）在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上，提出了廣義雙層地基模型的概念，並把半無限體的傳遞矩陣r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式中； （ 2 ）根據多層地基在圓形荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式，編制了程序，調試通過並驗證了其正確性； （ 3 ）通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉降，矩形垂直均布荷載角點下的附加應力系數和荷載角點沉降及條形垂直均布荷載中心軸線上的附加應力系數進行的計算，探討了雙層地基中的附加應力與沉降特性； （ 4 ）應用本文的層狀地基體系理論對一個工程實例進行了計算分析，並與傳統的計算方法的計算結果和有限單元方法的計算結果進行了對比分析，結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。The test shows that optimum shocking and compaction quantities is different to different virtual height of packing materials, and optimum virtual height and shocking and compaction quantities is put forward
其中不同虛鋪厚度填料有相應的最佳碾壓遙數，並從技術經濟的角度提出了最佳的虛鋪厚度及其碾壓遍數，並建議施工控制以沉降率為主。The curves of the consolidation settlement in soft clay base of flood land are gained, which compare the effect of sand drain. the settlement - time curves in different period are also gained, which increase the height of embankment to 8m, based on the test data of hang - yong highway. furthermore, the consolidation settlement characters of these entity engineering are analyzed, and, the variation rules of the rate of grade and degree of the curves in different period in the whole section, the maximal settlement and the liner regression relations between the rate of grade and degree are calculated
本文利用大變形固結有限元分析程序（ lscfea ）中的小變形平面固結分析單元（ sse2 ） ，結合實體工程項目進行了地基固結沉降的有限元計算，分別得出河灘相軟土地基在考慮砂井和未考慮砂井作用下的固結沉降曲線及杭甬高速公路試驗段在高堆載情況下的固結沉降曲線；並對以上曲線特徵進行了分析，得出各時間段曲線斜率、角度在整個斷面的變化規律，以及沉降最大值與斜率、角度變化之間的線性回歸關系。With the increasing initial orientation angle and length - width ratio, the drifting distance, the fluctuation of the orientation angle, lateral drifting velocity and rotation velocity all increase, while the final settling velocity decreases with the increasing length - width ratio
初始取向角和長寬比增大，則粒子的橫向漂移以及取向角、側向漂移速度和轉動角速度的振蕩幅度都增大；同時隨著長寬比的增大，粒子的沉降速度相應減小。Stop motion : yarn breaking 、 knot 、 press off 、 needle break 、 over current 、 roll bake 、 wrong racking 、 inappropriate position of presser 、 excessiv yarn 、 and reaching on production target offer automatic stop
安全停機裝置：斷紗、結頭、落布、斷針、浮布、布倒、移床不當、沉降片位置不當、撞針角、紗線過量、片數到達皆全自動停機。The sedimentary facies of the jurassic penglaizhen formation in the studied area can be described as follows : from the edge of the basin, the source of deposition, to the center of the sedimentation are alluvial fan facies fluvial facies fan delta facies delta facies lake facies and lake floor fan facies in turn
研究區侏羅世蓬萊鎮期沉積盆地的沉積相類型分佈，從盆緣近物源區至盆地沉降-沉積中心區依次為沖積扇、河流相、扇三角洲相、河控三角洲相、湖泊相和湖底扇相等沉積體系。The settling behaviors of the rectangular particle were affected significantly by the initial orientation angle and length - width ratio
粒子的初始取向角和長寬比對其沉降過程有較大影響。Yanchang 4 + 5 sector to yanchang 3 sector lithofacies palaeogeography pattern was stable, because the constitution background was steady, and the source direction had no change, and supply was abundant. in those sectors the basin development was in lake retreat, and in the period of extinction gradually, and formatted construction delta deposit, but in yanchang 33 period the sedimentary speed were greater than construction speed, showing that overriding river mouth bars were abundant
長4 + 5 ?長3期湖盆發展處于湖退、萎縮逐漸消亡時期，由於構造背景穩定，物源來源方向沒有變化，物源供給充分，所以巖相古地理格局基本一致，形成建設性三角洲沉積，但長3 ~ 3期沉積速率大於構造沉降速率，表現為疊置河口砂壩極其發育。Effect of dip angle of orebody on surface subsidence
礦體傾角對地表沉降的影響研究It is suggested in this paper that the sediment of the high stand system tract is mainly composed of fine - grained sediment, hardly of the large scale of fluvial - delta because of the low dip of the ramp, low subsiding rate and low sedimentary rate in basin
研究表明，盆地基底沉降幅度小、坡度極為平緩、沉積速率很低，因此導致層序內的高位體系域多以細碎屑沉積為主，大型河流三角洲沉積基本不發育。On the basis of research results of the existing experts and scholars especially the theory put forward by professor xu zhenliang ( my tutor ) that predicts the velocity profiles and friction loss of settling slurry when it flows in horizontal pipe and upward - inclined - pipe, relations among the velocity of water, that of solid particles and that of settling slurry have been established by the analysis of momentum transmission process between water and solid. then the calculation formulae for fricton loss of downward inclined and vertical pipe are deprived
本文在現有專家學者的研究成果特別是許振良教授（導師）提出的預測非均質流在水平管道及向上傾斜管道流動時的速度分佈及摩阻損失的理論的基礎上，從動量守恆的角度建立了清水速度、固體顆粒速度和漿體速度之間的關系，進而推導出了向下傾斜及垂直管道沉降性漿體輸送的摩阻損失的計算公式。Taking the typical cities in subsidence zone in yangtze river delta as an example, the concrete identification method of disaster causal critical water table of land subsidence is brought forward according to the monitoring data of land subsidence and the critical water table is identified
以長江三角洲地面沉降區代表城市為例，給出了根據已發生地面沉降災害城市的地面沉降監測數據確定地面沉降成災臨界水位的具體方法，並確定了該地區地面沉降成災臨界水位。The settling behaviors of a rectangular particle with different initial orientation angles and length - width ratios were simulated by using distributed lagrange multiplier / fictitious domain method
摘要為了對方形粒子在二維垂直通道中的沉降運動特性進行研究，應用了拉格朗日乘子虛擬區域方法對不同初始取向角、不同長寬比情況下方形粒子的沉降運動進行了直接數值模擬。Under the lateral load, the positive battered pile has bigger bearing capacity than the vertical and the negative pile. the allowable settlement of the pile head is suggested and the vertical pile can bear load with inclination of less than 10, and the battered pile bearing vertical load can be angle of less than 10. then the paper employed the generalized elastic theory in pile group, considering the interaction between pile - soil
就樁頂的豎向沉降而言，樁身的微小偏斜（小於10 ） ，對豎向受荷樁的正常使用沒有明顯的影響；傾角太大的斜樁承受豎向荷載的能力有所減少；直樁可以承受一定傾角（小於10 ）的傾斜荷載，這時的傾斜荷載對樁頂的沉降影響較小，但樁頂水平位移增加比較明顯。Criterion method of settlement calculating is also introduced in this paper. after comparing the calculating value of criterion method with the data which measured in - site, this paper points out : ( 1 ) settlement brought by side deformation should be taken into account among the super soft silt groundsill in pearl river delta area ; ( 2 ) stress history has a great deal influence to the settlement, but the pre - consolidation pressure pc for the judgement of consolidation state of soil has no credibiliy which is gotten in laboratory
此外，本文還簡述了規范推薦的沉降計算方法，並運用已有的工程實測數據與規范方法計算值進行了比較，指出對于珠三角地區的超軟弱地基。應考慮側向位移引起的沉降；應力歷史對沉降的影響較大，而判斷土體固結狀態指標的前期固結壓力p _ c ，在試驗室得出的數據並不可靠。4. with the consideration of practical soil - pile interaction, the soil around pile is modeled as a three - dimensional viscous - elastic continuous medium and the time effect of the settlement of single pile is studied. the semi - analytical solutions for vertical displacement of soil and for the relationship between settlement of pile head and time were obtained by laplace transform method and fourier inverse method, and the law of the settlement of pile head varying with time was then analyzed and discussed
考慮樁土藕合作用的單樁沉降時間效應研究從研究空間軸對稱問題的角度出發，將樁周土體建模為三維粘彈性連續介質，更為合理地考慮了靜荷載下樁土系統中單樁與樁周土的藕合作用，分別建立了樁周土體和樁體的靜力平衡方程，並通過拉普拉斯變換、傅立葉逆變換等數學手段，獲得了單樁樁周土體的垂直變形和樁頂沉降在拉普拉斯變換域內的解析解和在時間域內的半解析解，進而分析討論了單樁沉降隨時間變化的規律。Finally, this paper detailedly introduces the application of preloading method combining with vacuum stack - load in the practice of a freeway project. three sorts of experience calculation method of final settlement which based on the settlement data measured in - site are contrastively analysed, and points out the hyperbola method be recommended for settlement predicted because it accord with the actual instance of guangdong pearl river delta area, and bring up the range of settlement correcting coefficient corresponds to the characteristic of the region
最後，本文結合某高速公路工程實踐，詳細介紹了真空聯合堆載法在高速公路上的應用，並利用實測沉降曲線對三種預估最終沉降量的經驗方法進行了對比分析，提出了雙曲線法計算最終沉降量較符合廣東珠三角地區，並提出較符合地區特點的沉降修正系數取值范圍，可供類似工程參考。Starting from the aspect of practical engineering application, a calculation formula of the predicting inverse - analysis for the saturated soft clay ground settlement is established according to the merchant one - dimensional consolidation theory, and the relevant program is compiled
本文還從工程實際應用的角度出發，根據merchant粘彈性模型的一維固結理論解析解，建立了考慮主次固結的飽和軟粘土路基沉降反演預測計算公式，並編制了相應的計算程序。Associated with engineering practice, two important questions. one being laying - over depth of box foundation and the other being the measures for treating different settlement between main and buildings, are discussed in the view of designing. and the methods for dealing with practical engineering problems are presented also
結合工程實踐，從設計的角度對高層建築箱基的埋置深度和主樓與裙房間沉降差異的解決措施進行了討論，提出了一些處理實際工程問題的措施分享友人