有限土層 的英文怎麼說
中文拼音 [yǒuxiàntǔcéng]
有限土層
英文
finite layer of soil-
The following are the large projects undertaking by haifeng company : crude oil electricity plant project of north china oil field hydroelectricity factory, apartment ( 22 stories ) of yuanda real estate company of dalian shipping group, helios hotel of helios group in dalian development zone, tilt aqueduct bridge of shanxi hongqi reservoir ( total span : 267m ), supply and sale building and city construction building ( both are antique architectures ) of shanxi heyang city, sea drainage pipe of hainan fudao fertilizer factory ( 1520 ), 8 oilgas docks of hainan haiyan oilgas company, basha condensable gas transfer station of haiyan company, 10, 000m3 oilgas storage tank of arco company ( usa ) in hainan nanshan, gas pipe and fuel gas installation project of hainan nanshan electricity co., ltd, base and accessory project of hainan gas company, bei da huang cereal and oil market in harerbin, hainan cross island pipe, changhuajiang river pipe crossing project, taihangshan mountain earthwork project ( the 19th section of west - to - east gas transmission project )
海南海峰公司承建大的工程項目：華北油田水電廠原油發電站工程；大連船泊集團遠達地產公司的遠達公寓（ 22層） ；大連開發區香港太陽神集團的太陽神大酒店；陜西紅旗水庫斜拉渡槽工程（全跨267m ） ；陜西合陽供銷大樓及城建大樓（均為仿古） ；海南富島化肥廠排海管線（ 1520 ） ；海南海燕油氣公司八所油氣碼頭；海燕公司白沙液化氣中轉站；海南南山美國阿科公司儲油氣萬立米大罐工程；海南南山電力股份有限公司天然氣管線及燃氣安裝工程；海南南海天然氣有限公司基地及配套工程；哈爾濱北大荒糧油批發市場；海南環島管線；昌化江穿越工程；西氣東輸十九標段，太行山土石方工程。The penetration test study the disturbance of soil in difference location. by using finite element method, the paper study the stratum movement and the earth surface deformation caused by pipe jacking, analysis the construction parameter such as head pressure, deflexion, friction force impact on earth surface deformation, give the distributing rule and range of additional soil pressure in soil
採用有限元計算分析的方法，對頂管施工引起的地層運動及地表位移進行研究，分析了機頭土壓力、機頭偏斜、摩阻力等不同施工參數對地表變形的影響以及附加應力在土中的分佈規律和影響范圍。Meanwhile, by using delaminating combination finite element method and macro finite element analysis methods, the paper present two kinds of analysis programs. based on the aforementioned analysis program, the failure form, distribution of plastic hinge, load - carrying capacity, displacement and ductility characteristics are investigated to reveal the failure mechanism and the failure proceeding under seismic effects. the results are in good agreement with the test results, indicating the precision of the aforementioned two programs is satisfiable to the practical engineering design
分別採用分層組合式有限元和宏觀有限元分析方法，編寫了2種鋼筋混凝土中高帶邊框柱剪力墻結構的彈塑性有限元分析程序，同時利用上述2種分析程序，研究了模型結構的破壞形態、塑性鉸的分佈、承載力、位移及延性性能等特性，探討了這類結構在地震作用下的破壞全過程與破壞機理，得到其主要受力特性和抗震性能的一般規律，所得結果與試驗值吻合較好，表明上述2種程序分析結果的精度均可滿足實際工程的設計要求，因此可用於這類結構的抗震性能分析與設計。A novel method based on artificial neural network bp algorithm to perform the parametric identification in deep foundation excavation is proposed hi the paper. taking in situs measurements as network input and parameters to be identified as network output, the network is trained with the samples obtained from fem computation
將某些現場實測值作為網路的輸入，土層物性參數作為網路的輸出，通過有限元正分析模型取得學習樣本來訓練網路，從而達到對深基坑開挖過程中的多層土體的物性參數進行辨識的目的。In this paper, the geogrids structure, the flexible beams strucrure, the geogrids and flexible beams structure are analysed with algor, and it is used to analys the influence of some paramenters. such as the modulus of structural layers, size of structure, place of structure, non - uniform settlements. and the contrast of the three structures is analysed in this paper. we can see the reasonable size and reasonable place through analyse. the analyse of the test road show that the structures worked well for about two years and the reflection cracks have not be found
本文首先藉助algor有限元軟體對土工格柵處治結構、柔性枕梁處治結構及土工格柵與柔性枕梁復合結構進行了力學分析，包括各結構層模量影響規律分析，格柵及枕梁尺寸、位置影響規律分析，路基不均勻變形影響規律分析，各種處治結構間的對比分析等。通過分析，得出了各結構的合理尺寸及合理的布設方案。In this article, according to heat conduction theory, elastic creep theory and finite element theory, the temperature field and creep stress field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field and creep stress field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress in the arch dam are also considered
論文根據熱傳導理論、彈性徐變理論及有限元理論，用三維有限元浮動網格法對拱壩施工期和運行期溫度場、徐變應力場進行了全過程模擬分析，較為系統的研究了混凝土拱壩施工期和運行期溫度場、徐變應力場的分佈規律，在分析中按照混凝土拱壩施工過程，考慮了混凝土分層澆築、施工間隙時間、彈模變化、絕熱溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度應力的影響。Before studying the concrete composite deck pavement, we introduce the basic theory of touching analysis, and come up with the realization of touching analysis in the fem analysis considering the touch of concrete bridge cover plates, asphaltum concrete overlay with bridge cover etc. connect with the experiment on the spot of bridge, the software ansys is used to solidity modeling and analyzing an assembly simply supported bridge before adding overlap, after adding overlap etc., and study the influence of adding overlap on the underside bridge structures
在進行裝配式混凝土簡支板橋復合鋪裝結構的探討性研究前，先介紹了接觸分析基本理論，並提出了考慮混凝土橋面板板間接觸、瀝青混凝土加鋪層與橋面接觸等接觸分析在有限元分析中的實現思路。結合一座裝配式簡支板橋現場試驗數據，採用ansys對該橋在加鋪前後進行了實體建模與計算分析，討論了瀝青混凝土加鋪層對下部結構物的影響。Consequently, on the basis of non - winkler foundation model, a finite - element method that utilizes foundation flexibility matrix into iterative calculation is proposed in this paper originated from the item " the optimal design theory and research of pile capping beam " sponsored by natural science fund of hunan province, which the continuity of soil mass can be accounted for under various boundary conditions, different loadings and irregular beam characters
本文結合湖南省自然科學基金項目「樁基承臺梁優化設計理論與方法研究」 ，針對非文克爾地基（半空間、線性變形層或單向壓縮層地基模型等）上的樁基承臺梁，提出一種利用地基柔度矩陣來進行迭代的有限單元法，可充分考慮梁下土體的連續性，並對基礎與土體脫開、承臺梁截面變化、梁體邊界條件復雜、上部荷載類型變化以及梁下基樁承載力差異等情況進行分析計算。Intercalation and exfoliation behaviors of organo - mmts in low density polyethylene ( ldpe ) and copolyethylene / mmt systems have been investigated. it was found that ldpe has certain intercalation capability, while ethylene vinyl - acetate copolymer ( eva ) with polar groups exhibits some compatibilization and excellent intercalation capability
結果表明，非極性的ldpe插層能力極其有限，聚乙烯共聚物具有良好的插層能力； mmt分散效果以及復合材料的性能取決于高分子鏈的極性和有機蒙脫土的性質。According to the shear - type floor model of frame structure, a basic control equation is constructed to analyze the nonlinear seismic responses of structure equipped with edd - bracing system. subsequently the dynamical finite element analysis are carried on to obtain the seismic response of a twelve - floor r. c frame with the three edd - bracing system under minute earthquake and disastrous earthquake, and the conclusions provide useful references for practical earthquake - resistant design
基於框架結構剪切型層模型，建立了耗能阻尼器對建築結構非線性地震反應的基本控制方程，由此進行了某十二層鋼筋混凝土框架結構設置三種耗能阻尼器在多遇和罕遇地震下的動力有限元分析，為進行實際結構設置耗能阻尼器的抗震設計提供了有益的參考。Abstract : in this paper, the efficient stress method is used as main means, while the railway engineering anti - earthquake design specification and the dynamic triaxial test are used as additional means. the authors analyze the ground layer liquefaction of shield tunnelling built on powder soil or fine sand, whose top plate is buried under two kinds of depth, and conclude that the liquefaction area is different with different buried depth. finally, the rational buried depth is proposed
文摘:以有效應力原理的有限元計算分析為主、鐵路工程抗震設計規范及室內動三軸實驗為輔，對修建在粉土或粉細砂層中的盾構隧道進行了兩種不同埋深情況下的液化分析，得出了埋深不同液化區出現區域不同的結論，並提出隧道抗液化的合理埋深。The layered combined finite element model is taken in the finite analysis of concrete and bonding bar. in the nonlinear analysis ofunbonded prestressed concrete, the effect that unbonded tendons acts on concrete is replaced by equivalent force in the method of equivalent prestress
在有限元分析中，混凝土和粘結鋼筋採用分層組合式的有限元模型，在無粘結預應力混凝土的非線性分析中，將無粘結預應力筋對混凝土的作用，借鑒預應力的荷載平衡法，用其等效力來代替預應力作用。Based on nonlinear finite element theory, stress and deformation behaviors are analyzed after ground stabilization and foundation pit reinforcement with deep mixing method. by comparison of the conditions of treatment and non - treatment of two examples respectively, the results indicate that the match ratio scheme used for deep mixing method is more ideal when soft clay is stabilized in this area of fuzhou in the thesis. this scheme not only can fully utilize industrial waste material, but also can economize construction cost
對于加固土的工程特性，本文以非線性有限元理論為基礎，模擬分析水泥攪拌樁加固地基和基坑支護加固的應力和變形情況；通過兩個例子分別在有處理和無處理情況下的對比，利用固化劑最佳摻入比來設計地基處理方案，並運用非線性有限元方法計算出土體內大小主應力的分佈情況以及變形情況，結果表明本文所得出的配合比方案用於深層攪拌樁法來對福州地區軟粘土進行地基加固時還是比較理想的，這樣不僅充分利用工業廢料，還可節約工程造價。Study on thin - layer element and application in fem analysis of rccd dams
探討碾壓混凝土壩薄層單元有限元分析法According to the different thermal fields and the maximum thermal gradient, the thermal stress of lean concrete base with asphalt surface can be calculated through fem, and the formula of calculating thermal stress for lean concrete base with asphalt surface is also brought forward based on that
根據不同自然區劃的溫度場和最大溫度梯度，得出貧混凝土基層瀝青路面中的基層溫度應力的有限元解，於此提出了基層溫度應力的計算公式。In the layered model, transverse shear is ignored and material is assumed to be in a state of plane stress, and some other presuppositions are introduced, such as cracking of concrete takes place only in the plane perpendicular to the normal
但是鋼筋混凝土板的非線性有限元研究目前一般都是採用分層法，將板分成若干混凝土層和鋼筋層，忽略橫向的剪切影響，各層混凝土材料按平面應力狀態處理，這與真實情況有區別。From experimental result, i preliminarily know that eps is good thermal insulation material because the absorption of water is low and heat insulation is good, it is practicable at preserving temperature field of frozen earth roadbed and bringing frozen disaster under control ; second, according to the analysis of the eps that is applied into practical project, i have studied the practical effect which eps preserve roadbed temperature field, and the influence that was made after building field. i have get that eps can influence moisture content and frozen upper limit, through practical measuring data, i have studied freezing and expanding quantity and melting and submerging quantity during a complete frozen and melting cycle as well as have expanded and proved the practical application effect of eps with some reference significance to deep research of some connected problems. finally, through computer data analysis, setting up the analytical model of finite unit, i have simulated the temperature field of roadbed heat preservation, then expounded and proved that the height of embankment influenced the effect of thermal insulation material
其一是對聚苯乙烯泡沫塑料（ eps ）保溫板以及天然路基土層、路堤填料進行了室內試驗分析，結合國內外現在的有關科研成果，綜合確定其各項特徵參數；從試驗結果初步認識到聚苯乙烯泡沫塑料是一種吸水率低，隔熱性好的保溫材料，在凍土路基溫度場的保護和凍害治理方面是可行的；其二通過eps保溫板在現場工程實踐中的應用分析，研究了保溫板在保護路基土層溫度場的實際效果以及修築路堤后造成的影響，保溫板對土體含水量、凍結上限的影響，通過實測資料，研究了在一個完整的凍融周期內整個路基的凍脹量和融沉變形量，論證了保溫板的實際應用效果，對有關問題的進一步研究和相關工程設計具有參考意義；其三，通過計算機數值分析，建立有限元分析模型，對保溫路基的溫度場進行了模擬計算，論證了路堤高度對保溫材料效果的影響。Taking the earth - rock dams with straight clay core constructed on thick moraine cover foundation and directly built on bed - rocks with the same sizes and the same materials for example, two - dimensional dynamic fem programme is used to contrast and analyze the static stress distribution and dynamic response difference of two types of high earth - rock dams in the intensive earthquake zones
摘要以相同尺度和相同材料的建造在深厚覆蓋層上直心墻土石壩和直接建設在基巖上的直心墻土石壩為例，採用二維動力有限元程序對比和分析了強震區兩種高土石壩的靜應力分佈和動力反應的差異。In the simulation and analysis on culvert construction, the method of foundation - pit excavation layer by layer and step by step was used, i. e. the method that makes the surface of excavation have no stress, when the elements were excavated gradually in period of construction. at this process, the state of soil is unloading, the laws of stress field and displacement field with the depth of excavation were studied. based on the obtained stress field and displacement field after the excavation was completed, by using of the newly increased filling - elements " gravity and the grinding force, the simulation of the construction of body of the culvert and foundation - pit ' s filling layer by layer had also been done in this dissertation
用有限元法模擬分析涵洞基坑開挖時，採用分層、分步模擬開挖過程的方法，即將計算域內單元分層「挖去」 ，使開挖表面成為無應力表面的方法，分析土體在卸載狀態時的應力場和位移場隨開挖深度的變化規律；在洞體施工后，回填土體時，據開挖完成時的應力場、位移場，通過逐級增加計算域內的單元數目，施加每級新增加單元的自重荷載，利用有限元法模擬基坑及上覆土體分層填築的施工過程，這不僅反映土體處于再加載應力狀態時，填土受力及變形的一般規律，而且這種將地基? ?涵洞? ?土體作為一個統一整體進行模擬的方法，量化了三者之間的相互作用關系。The preferences are analyzed, pipe ’ s parameters such as depth, thickness, pipe diameter, and mechanical property of material ; soil parameters such as soil types, internal friction angle, pipe - soil interaction ; fault ’ s parameters such as fault types, fault throw, fault drop, fault - pipe angle, mechanical property of material ; load types such as gravity force, linear displacement load, seismic load and seismic wave. some conclusions are drawn from the calculating results : when buried pipes cross fault, pipe ’ s embedded depth should be shallow, and big pipe diameter and thick wall should be selected. avoid the site where fault moves severe, and select suitable pipe - fault angle
在有限元三維模型建立中考慮的因素有:管道自身參數如管道埋置深度、管壁厚度、管徑、管道材料等;巖土材料參數如土體類型、巖土的內摩擦角、管土相互作用等;斷層考慮有斷層類型，斷層斷距，斷層錯動距離，斷層與管道的交角，斷層材料的考慮等;荷載分別考慮靜荷載，動荷載，其中動荷載包括線性位移加載、地震力加載和地震波加載等。分享友人