移土工程 的英文怎麼說
中文拼音 [yítǔgōngchéng]
移土工程
英文
removal of ground-
In the process of work, according to complex geological conditions such as huge thick soft clay in site and top surface of possible pile foundation supporting course fluctuating in large amplitude, we adopted many advanced exploratory methods ( just as high accuracy exploration of shallow earthquake, crosshole wave velocity test, vane shear test, pressuremeter test, etc. ), we found out that there is an ancient groove of yangzi river in former plant site, therefore we suggested in time that plant site should properly be moved eastwardly, only this item saved nearly about 50 million for pile foundation project cost
在工作過程,根據廠址區軟粘土厚度大、可能作為樁基持力層頂面起伏變化大等復雜地質條件,採取了多種先進的勘探手段(如高精度淺層地震勘探、跨孔波速試驗、十字板剪切試驗、旁壓試驗等) ,查明了原廠址區存在一個長江古凹槽,並及時建議廠址適當東移,僅次一項就節省樁基工程費用近5000萬元。Zhuzhou hydropower junction project is a large - scale project with great capital invested, and the project would impropriate the land and work on the neighborhood environment. especially when the project develops up to a certain degree, the influence would be profound. therefore, the construction and operation of zhuzhou hydropower junction project should be on the basement of sustainable development in order to meet the need of the development of economy, environment and social service
株洲航電樞紐工程是一個規模大、耗資多、影響面廣的大型工程,它以永久性佔用土地、影響環境為代價,特別是內河航道發展到一定程度后,這種影響將更為廣泛,因此,株洲航電樞紐工程的建設與運營應謀求其可持續發展,以滿足工程移民區域及移民安置影響地區目前及將來經濟、環境、社會發展的需求。The projects affected persons have indiscerptible relations with the land
工程移民與土地是不可分割的關系。Thus land consolidation in the resettlement is an important approach to retrench and make full use of the land resources, and to relocate the affected persons appropriately
在工程移民中進行土地整理是實現土地資源節約、高效利用,妥善安置工程移民的重要途徑。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。The proportion of plastic shrinkage cracking is rather high in early cracking. the plastic shrinkage cracking would effect construction appearance and promote the propagation of drying shrinkage cracking or other types cracking, but also provide a passage for aggressive agents penetrating and moving to the concrete mass
塑性收縮裂縫在早期裂縫中佔有相當大的比重,其存在不僅影響工程外觀,促使乾燥收縮裂縫或其它形式裂縫的發展,而且還將為侵蝕性介質向混凝土基體滲透、遷移提供通道,對混凝土的耐久性造成嚴重影響。In view of the engineering practice that retaining wall in the front edge of landslide is only deformed but not destructed completely as a result of the slide of slope, this paper presents a back calculation method of landslide shear strength index considering the residual resistance of retaining wall occurring topple, translation and shear deformation
摘要針對滑坡的滑動僅使其前緣的擋墻發生位移或變形,但未使之完全破壞的工程實踐,系統提出了滑坡前緣的擋墻在發生傾覆、前移和剪切三種變形下,考慮擋墻變形后對滑坡的剩餘抗滑作用進行滑帶土抗剪強度指標反算的理論和方法。In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented
本文借鑒鋼框架節點構造,設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點,包括常規栓焊( wfp )節點、翼緣全螺栓連接( bfp )節點、雙t板連接( dst )節點以及加勁端板連接( sep )節點,進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究,比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈,沒有或略有捏攏現象,耗能能力強; 2 、軸壓比對節點滯回曲線有顯著影響,全部節點都有顯著的剛度退化; 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點,可在實際工程中加以推廣。This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure
本文以軍用機場地面單機掩蔽庫工程建設為工程背景,首次對內襯三維波紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻分佈在殼體范圍內的情況,忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方向的抗拉、抗彎及其抗扭作用,首次推導出了內襯三維波紋鋼板混凝土殼體的微分平衡方程,建立了有限元計算模型,並採用三角函數法,求解了三維波紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載作用下的位移響應和應力響應,並與普通殼體進行了比較。Lt covers 337, 000 km ~ 2 with the heature of flowing in recent years, the focus area of oil exploit is moved to west chira accordingly, the engineering characteristics of desert sand are drawing more and more ettenti of civil engineer
塔克拉瑪干沙漠是我國面積最大的沙漠( 33 . 7萬平方公里) ,也是世界上第二大流動性沙漠。近年來,隨著石油開發重點的西移,沙漠砂的巖土性質引起了廣大工程技術人員的注意。To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering
為滿足建築物大空間和靈活隔斷要求,在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能,得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程,進行了兩榀迭層空腹桁架轉換結構模型( 1 : 8相似比)的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架,另一榀配置了預應力和鋼骨混凝土,對比分析了兩模型的層間位移比、骨架曲線以及等效粘質阻力系數等抗震性能的比較,並進行了彈塑性動力分析.試驗和分析結果表明,配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能,可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題,最後對這類轉換層結構提出了相應的設計建議Abstract : in this paper , the problems in collecting data of earth pressure are discussed on the basis of some real projects according to the author , the present way , in which earth pressure data are calculated completely from classics theory , is not practical a nonlinear method of row pile design , in which the cooperative action of ring beam are taken into account and the lateral pressure is calculated on the basis of the pressure of displacement earth are proposed
文摘:本文從實例著手,分析了在土壓力取值上存在的問題,目前工程中完全按經典理論進行套算是不確切的;提出了排樁設計中應定量考慮圈樑的協同作用,側壓力按位移土壓力進行計算的非線形方法。Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating
箱梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋,分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模;拆裝式和液壓式兩種模板的設計、製作要求和使用方法;綜合考慮、優化混凝土配合比,混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著式振搗為主、插入式搗固為輔的施工工藝,蒸汽養護的方法和規定;應力應變雙控制確保預應力施工質量的施工技術;採用重物移運器有效移梁的施工方法;壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是對箱梁製造行之有效的施工技術和施工方法,並可為以後類似施工作借鑒。We calculated the surface subsidence, horizontal displacement, incline, and current curvature using the groundwater drawdown, conical depression influence radius of water cone and ground property
根據地下水降深、降落漏斗影響半徑、巖土工程地質性質,計算降水引發的地表沉降值、水平移動、傾斜、曲率現狀值。Systemic numerical tests are made first, to study the parameter sensitivity of cohesion and friction angle and other elastic parameters to the convergence in tunnel. some comprehensive parameter sensitivity laws have been draw thought these numerical tests. the method of emulating back analysis is illustrated secondly, in detail by tracing the excavation and supporting conditions by the special numerical modeling rested in final program
主要研究成果: ( 1 )建立使各個參數靈敏度值具有可比性的靈敏度計算公式,不僅得到了靈敏度分佈規律,而且還得到了各參數對位移的量化影響結果; ( 2 )詳細闡述了巖土工程模擬反演分析思路與具體方法; ( 3 )假定圍巖為理想彈塑性模型,在可量測出理論上認為不可測的塑性變形、實現彈塑性位移分離的前提下,提出了彈塑性問題的分步反分析法。Bearing capacity and displacement are two main problems in the application of geotechnical engineering. based on a series of pull - out tests using three kinds of paper and a sort of window screening as geogrid, twenty - seven in limit and several in working - stress geogrid - reinforced slope model tests designed through orthogonal principle have been conducted to have obtained the relationship between the bearing capacity and four factors ( i. e. reinforcement, angle of reinforced slope, the designed - length of reinforcement and the distance between layers of reinforcement ). the law of slope lateral ( horizontal ) displacement versus to the height of slope vary with external - load was derived from the model test data, and the main factor affecting the lateral and vertical displacement of geogrid - reinforced slope was obtained through analysis
承載力(強度)和變形是巖土工程應用領域的兩大主要問題,本文以紙和窗紗布模擬加筋土邊坡的土工格柵,在一系列拉拔試驗的基礎上,以正交設計理論分別安排27個極限應力狀態和若干個工作應力狀態加筋土邊坡模型試驗,並以模型試驗獲得的數據為依據,採用誤差、極差及回歸分析方法,探討了加筋土邊坡承載力與筋類、筋長、層間距、坡角4因素的相關關系,獲得了在外荷載作用下加筋土邊坡的側向位移隨坡高的變化規律(並進行了定性解釋)和坡頂的豎向位移特性,並分析其主要控制因素。In this article, geotechnical engineering numerical analysis program flac4. 0 is used, working mechanism and main influential factor of composite soil nailing system with step excavation was calculated in detailed, contain distribution and influential factors of axial force and the max axial force in soil nails ; the variation of axial force in anchors ; the variation and influential factor of foundation pit horizontal displacement, ground surface settlement, ground surface horizontal displacement and rebound deformation
本文採用巖土工程數值分析軟體flac4 . 0 ,對樁錨復合土釘支護在分步開挖下的工作性能和主要影響因素進行了詳細的計算,分析了土釘軸力和最大軸力的分佈規律、影響因素;錨桿軸力的變化規律;基坑水平位移、地表沉降、地表水平位移和坑底隆起的變化規律以及影響因素的敏感程度。The process and methods of monitoring measurement in the course of construction are detailed the measuring data analyzed and treated are studied. besides the forecast and calculate of tunnel surrounding rock stably displacement are deeply researched, and according to the uncertainty of geotechnical engineering, grey verhulst model is put forward to forecast tunnel surrounding rock displacement based on optimizing gm ( 1, 1 ) model
介紹了隧道施工監控量測的過程和方法,對量測數據的處理技術與分析方法進行了研究,深入地研究了隧道圍巖穩定位移的預測預報,並針對巖土工程的不確定性,在優化gm ( 1 , 1 )模型的基礎上,提出了用灰色verhulst模型預測隧道圍巖位移。2. combining the yangliu river realignment project, a great experimental research on reinforce earth has been completed. some internal laws about the mechanical property of reinforced earth are obtained and described as follows : ( 1 ) the friction between reinforcement and filling has a direct relation to relative displacement between the two ones
結合楊柳河整治工程實踐,進行了大量的試驗研究,通過對不同填料、填料在不同壓實度及加筋帶有無孔等情況下加筋土工程力學性質的對比,找出了如下: ( 1 )筋帶?填料之間的摩阻力與筋帶?填料之間的相對位移有直接關系。4. dicussing soil pressure ( supposed as p ) and level displacement ( supposed as s ) in condition that consideration time performance, the relation is p = ae, when the defomation of wall has evidently effect on the soil pressure. 5. the deformation of wall ( supposed as sw ) leads to soil layer sedimentation ( supposed as pw ), the research find pw = 1. 22sw 6. the artifical neural networks has vast and applied foreground in the information construcion of deep foundation excluding the accidental factor
4 、探討了考慮時間效應的土壓力和位移關系曲線,認為在當墻體的變形對土壓力分佈產生明顯影響時,二者間的關系可用一指數函數來表達: p = ae ~ ( ( / s ) ) 5 、墻體側向變形,導致墻後土體產生沉降,在本次研究中,排除掉基坑降水施工因素的影響,由墻體變形導致的墻後土體沉降,二者具有p _ w = 1 . 22s _ w關系; 6 、將基於時間窗口滾動多步神經網路預測方法和應用於深基坑工程墻體變形的預測工作,具有較高的預測精度,該方法在巖土工程變形預測方法中具有廣泛的應用前景。分享友人