沉降常數 的英文怎麼說
中文拼音 [chénjiàngchángshǔ]
沉降常數
英文
constant of sedimentation-
The soil - rock foundation was applied in highway of changde - zhangjiajie, and in order to assure soil - rock foundation quality by shocking and compaction test, different virtual height of soil - rock foundation was constructed and it ' s quality was controlled for in - situ test, it was considered as parameter for virtual height, shocking and compaction quantities, shocking and compaction sediment rate and maximum diameter of packing materials
摘要針對常張高速公路採用沖擊壓實技術壓實土石混填路基的問題，選取試驗段進行了不同虛鋪厚度路基的施工工藝及質量控制等試驗研究，提出了虛鋪厚度、沖壓遍數、沖壓沉降率（單級沉降量） 、填料最大粒徑等施工控制參數。By film thickness measured, fourier transformed infrared spectrometer ( ftir ) analysis, x - ray photoelectron spectroscopy ( xps ) analysis and relative irradiance measurement, the effect of microwave input powers on deposition rates, f / c ratios, bonding configurations of ct - c : f films and the radicals in plasma originating from source gases dissociation is analyzed
由於微波功率的改變會導致等離子體中電子溫度和等離子體密度發生變化，從而造成不同的源氣體分解過程，結果微波功率的升高導致了薄膜沉積速率的提高、 f / c比的降低，同時也導致薄膜中cf和cf _ 3基團密度的降低，而保持cf _ 2基團密度接近常數。The collapsible loess is often met during the construction of the high - grade highway in the loess area, and the main failure is the uneven subsidence of the roadbed and the culvert, which affects the safe usage of the roadbed and the culvert, etc. directed against this, based on the chankou - lanzhou freeway construction, the paper analyzes the application of the composite ground formed by lime - soil pile under the bridge and designs the project, discusses the rules of the contact pressure, the stress ratio of the pile and the soil, compares the p - s curves of one pile, the composite ground formed by one pile and the composite ground formed by two piles based on the in - situ plate loading test, evaluates the bearing capacity of the composite ground of the project
黃土地區的高等級公路建設中經常遇到濕陷性黃土問題，其病害類型主要是地基土受水浸濕后引起路基、橋臺、涵洞等的不均勻沉降，直接影響路基、構造物等的正常使用。針對此問題，本文依託甘肅讒口至蘭州柳溝河高速公路建設工程，對橋基灰土樁復合地基應用的可行性進行了深入分析，根據具體工程進行了合理的設計與計算，並配合現場靜載荷試驗及壓力盒實測數據，探討了基底應力分佈規律，樁土應力比，變形模量的變化關系，對比分析了單樁、單樁復合和雙樁復合的p ? s關系，對橋基灰土樁復合地基承載力進行了整體評價。It is necessary to make more profound research in the field of settlement prediction. in this dissertation, on base of the existing work, the three - point method which is the mostly used method in the settlement prediction has been studied thoroughly firstly, which indicated and discussed the deficiency of the three - point method, and as a result an improved three - point method was put out ; secondly, by analyzing the characteristics of the process of the foundation settlement we put forward the model for predicting foundation settlement based on " law of massaction ". the predictive result was ideal as we applied it to the 3. rd coalfield project of wenzhou power plant and project of wenzhou peninsula, which shows that the model deserve use in much more projects
本文在對國內外關于地基沉降預測理論的研究進行綜述的基礎上，首先對工程中常用的三點法進行了細致深入的研究，指出以工程實測數據證明的現有三點法在應用時存在的不足，針對該不足進行了探討，並在此分析基礎上提出了預測結果更為理想的改進三點法；其次區別傳統沉降預測方法的研究途徑，本文從沉降過程的發展特徵出發，根據描述物化反應過程發展特徵的質量作用定律原理，探討了一種新的地基沉降預測方法：地基沉降預測的「質量作用定律」模型；本文還以溫州三期煤場工程及溫州淺灘圍塗促淤工程為背景，對上述改進三點法、地基沉降預測的「質量作用定律」模型的工程應用與傳統的預測方法進行了比較，認為這些方法是可行的，並得出一些有用結論。To meet the need of settlement calculation with fem when absence of laboratory triaxial test data in common road engineering, methods of determining the five parameters included in tangential elastic module through soil routine tests and the related emendation coefficient are given. at the same time, one approximately substituted formula for tangential poisson ratio is also developed, which is suitable for both sandy soil and cohesive soil. ( 3 ) research on main parameters modification of duncan - chang model based on the improved bp network
對於一般道路工程中不做三軸試驗但須進行沉降有限元計算的情況，給出了依據土體常規試驗的切線彈性模量確定方法和相關修正系數，同時也提出了對砂性土和粘性土均適用的切線泊松比的近似替代式子； （ 3 ）基於改進的bp網路對鄧肯張模型主要參數修正研究。At the same time, the paper deduces the essential character of the model, gets the solution of model parameters and discusses the problems during engineering application of the analysis model. ( 3 ), one dimensional consolidation theory of impeded boundary by linear loading is deduced for layered soil, which expands the consolidation theory of impeded boundary. afterwards, the paper discusses the application of the model for settlement data of layered soil
分析了沉降數據模型的基本性質，得出了模型參數的解法，探討了沉降數據分析模型在工程應用中存在的常見問題； （ 3 ）針對分層地基，推導了等速加荷條件下半透水邊界一維固結理論解，完善了半透水邊界固結理論，並討論了沉降數據分析模型在分層沉降數據分析中的應用問題； （ 4 ）結合工程實例，闡述了沉降數據分析模型的應用。On the base of analysis of hydrologic geology from aquifer distribution, boundary conditions and dynamic characters etc. in the research area, the paper sums up the hydrologic geologic condition, builds up the conceptual model of groundwater resource evaluation and presents 2d calculation model, as well as numeric solution and computing flow chart. after introducing general solutions of mathematic models and implementation method of rectangular grid, the paper realizes the automatic technique of spatial dispersion rectangular grid of evaluation models based on gis. finally, the paper fulfills the integration of gis with groundwater resource evaluation models from gis - based basic management information, spatio - temporal dispersion of models, definition of subprogram and visual evaluation of parameters, as well as models simulation etc., and visualizes the results of evaluation models
論文以地下水超采?地下水降落漏斗?地面沉降現象較為嚴重的常州、武進地區作為研究評價區域，在對評價區域的含水層分佈、邊界條件和動態特徵等水文地質條件分析的基礎上，概化了其水文地質條件，構建了相應的地下水資源評價概念模型與數學模型，並給出其數值解法和相應的計算流程；論文在介紹數學模型的兩種常用數值解法和模型空間離散的矩形網格生成技術的基礎上，實現了基於gis的評價模型空間離散矩形網格的自動生成；最後，論文從基於gis的評價模型基本信息管理、模型空間時間離散方法、子程序包與模型計算參數可視化賦值、模型的擬合等方面實現了gis與評價區域的地下水資源評價模型的集成，並將模型評價結果可視化。If self - weight stress is assumed to be uniform, the settlement will increase with the increase of the value of ratio cc / ck, or the level of loading, or the thickness of soil
當假定自重應力為常數時， c _ c c _ k值、荷載和土層厚度的增加都會使沉降加大。Characteristics of present land subsidence models in china were as follows : ( 1 ) flow models were quasi - three dimensional models ; ( 2 ) parameters in models were constants ; ( 3 ) subsidence models were linear elastic models ; ( 4 ) couple of flow model and subsidence model had two steps
摘要我國現有模型有下列特點：水流模型都是準三維模型，模型中的參數都是常數，沉降模型採用線彈性模型，水流模型和沉降模型的耦合分二步進行。The high research degree of physical geology, hydrogeology, engineering geology andenvironmental geology in suxichang area, makes large number of achievements and dataduring many years accumulated. however, no full application of these data andachievements mainly result from failing to establish a perfect computer informationautomatic management system, which makes it difficult and puzzled to search these dataand results effectively. large effort research shows that the main reason of suxichangarea ’ s land subsidence is due to excessive exploitation of groundwater
本文以蘇錫常實地數據為基礎，系統分析了arcgis平臺下建立「蘇錫常地區地面沉降管理信息系統」的可行性，提出了系統總體設計方案、開發模式和實現方法，並結合地面沉降專題研究的特點，制定了數據庫組織與設計框架;同時，在對系統應用模型進行詳細分析基礎上，確定了專業應用模型庫的建設方案及實現方式，並利用arcobjects （ ao ）進行了系統編程。The paper introduces a multiparameters static load test method. compared with a routine test, the bottom and the top settlements can be observed by this method and multiparameters are aquired. based on these parameters, we can get a generally analysis on the elastic - plastic compression of the pile, the side bearing and the bottom bearing as well as the properties of the soil under pile
介紹了一種既觀測樁頂沉降又觀測樁端沉降的樁身壓縮量的實測方法，區別于常規的靜載荷試驗，該靜載荷試驗能夠提供多方面的參數，可以對樁身彈性壓縮量、側阻、端阻的發揮程度、樁端持力層性狀有一個比較全面的了解。Especially, it is convenient to calculate the coefficient of subsoil settlement with the data of geotechnical engineering investigation
工程實例表明，該方法具有較好的適應性，特別是對于常規的巖土工程勘察資料，可採用插值的方法進行地基沉降系數計算。Reliability : combined with actual examples of gyratory sprayed piles and complex foundation piles this chapter describes selection of gyratory sprayed pumping, scope, spraying materials, determination of gyratory spraying parameters, quality inspection and detailed construction process. based on the results the article summarizes settlement laws through analysis of ground base settlement observation materials and this shows that after treatment ground base settlement was reduced greatly and the method is effective
本文結合工程實例分析了注漿以後形成的旋噴樁以及復合地基的力學特徵，然後對旋噴注漿方案的選擇、注漿邊界范圍、注漿材料、旋噴參數的確定、旋噴質量檢驗方法等具體施工過程進行了詳細描述，通過對工程處理后地基沉降觀測資料的分析，表明處理后地基沉降量有了明顯降低，說明該方法在控制沉降方面非常有效。Henan road technologies limited is a pure chemical production of fine chemicals mainly to study the high - tech enterprises, is the production of carbon jimiji surface - active agents, and conventional carbon surface active agent than its spot, more pro - oil base, a number of lower - level critical jiaoshu concentrations may increase as the number of levels of reactive surface in the extremely low concentrations of an outstanding performance, and some anions and surface active agent hunrong without precipitation
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