預應力工序 的英文怎麼說
中文拼音 [yùyīnglìgōngxù]
預應力工序
英文
sequence of prestre ing- 預 : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 工 : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
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Considering to the continuous rigid - frame bridge construction characteristic, putting forward the idea of reverse to optimize prestressed steel. according to different construction phases, the paper gets the formual of the cantalever phase, join two section of a bridge phase and the vertical prestressed steel, and works out corresponding program
考慮大跨徑預應力混凝土連續(剛構)橋施工的特點,提出了基於倒裝方法的預應力靜定束、合龍束以及豎向束的優化設計理論,並編制了相應的計算程序。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。A computer program is also presented on calculating the instantaneous prestress losses and the tension value of prestressing tendon, which can be used conveniently in design or in construction
本文編制了計算預應力摩擦損失、錨固損失和張拉伸長值的程序,能夠在設計或施工中很方便地使用。Some experts once suspected that the reserve pre - stresses in the lateral beams are not enough. in order to settle this problem, three construction schemes are analyzed comparatively. the results indicate that the pre - stresses in the lateral beam are acceptable and tensioning the reinforcements by two steps is the appropriate method both for the girder and the lateral beam
針對這一問題,本文採用三種施工方案進行對比計算分析,結果表明橫隔梁中的預應力儲備是滿足要求的,而且金馬大橋採用的這種橫隔梁力筋分批張拉的施工順序使該橋邊主梁及橫隔梁的受力都較為合理。Then on the basis of calculating result from the prefigurative deviation control structure calculation, " rational data forecast processing about error adjust in prefigurative deviation control was made by the prefigurative theory of bp neural network and corresponding program and software matlab6. 1. at last via the data comparison with the practical survey data draw a conclusion : it is feasible for the construction prefigurative deviation control and error adjust used in pc rigid frame bridges to use the calculation model and program brought forward in this paper
同時,在對預應力混凝土剛構橋施工過程線形預拱度控制的結構計算分析的基礎上,利用bp神經網路的預測理論和相應的程序及軟體包matlab6 . 1對預拱度控制中的誤差調整進行了較好的預測處理,通過與實際施工數據及成橋后測量結果作分析比較,得到結論:運用本論文的計算模型和程序對預應力混凝土剛構橋預拱度控制過程進武漢理工大學碩士學位論文行結構分析和誤差調整處理是可行。Concrete filled steel tube ( cfst ) arch bridge is a new type of bridge which is widely applied in china recently, and it is a relatively ideal structural form for long span arch bridge. with the background of the practice of liantuo bridge, in the view of point of feasible in technology and reasonable in economy, the key techniques and difficulties in the construction of cfst arch bridge are analyzed and discussed in the thesis. the disadvantages in the current design and construction and the improvement method are also indicated
本文以蓮沱特大橋工程實踐為背景,以主拱施工研究為主線,對鋼管混凝土拱橋重難點施工工藝,從技術上可行、經濟上合理的角度出發,詳細的進行了分析闡述,並指出了設計施工中存在的不足和今後需改進的方向;通過對鋼管混凝土拱橋施工過程中內力的計算,確定了拱肋施工最不利荷載工況下加載重量、壓重順序和張拉臨時預應力束等一系列施工措施,並將計算結果與現場監測觀測數據進行了比較分析,為今後進一步研究這類結構提供了參考。Not only t he self - weigh of every beam, the prestressing, the compression on the support of form scaffolding, constriction of concrete, creeping are considered when the inter nal force is calculated, but also the result of displacement and deviation of th esupport and precamber should be taken into consideration
施工階段的內力計算不僅考慮逐段施工梁的自重,預加應力,模板支架的支點壓力,以及混凝土的收縮、徐變;同時還應考慮施工程序,施工中的支座位移、支座偏差和預拱度等的影響。In light of the simulative research results, three methods are applied to analyze some controversial problems in this kind of structural system ( such as the concrete pouring sequence of continuous ends, the applying sequence of pretensioned force, the removal of the temporary supports, the concrete pouring style of continuous ends, the optimization of constructional reinforcement and prestressed reinforcement ). some important conclusions are drawn : the concrete pouring sequence of continuous ends should be in accordance with the principle of " interval end " ; the removal of temporary supports is also on this principle ( opposite to traditional opinions ). at the same time, other problems such as the shrinkage and creep effects of concrete, the c racking and failure pattern, the optimization of reinforced bars and prestressed bars are also analyzed in detail
在此基礎上,對于目前先簡支后連續結構體系中存在的一些有爭議的問題(如后連續端部澆築和后連續預應力張拉的順序、體系轉換中的臨時支座拆除順序、后連續端部澆築方式、后連續端部的預應力筋及普通鋼筋的優化等) ,我們分別運用三種方法進行了細致的模擬分析、研究,並得出了一些具有重要工程意義的結論:后連續端部的澆築順序和后連續預應力張拉的「隔跨」原則,臨時支座拆除的「隔跨」原則(此前人們一直認為「對稱澆注和對稱張拉」是最為合理的施工工序) ,混凝土的收縮、徐變對先簡支后連續結構體系的影響一般較小等。The author designed, made, processed and tested to the plexiglass model and the bridge. then author calculated and analyzed the results, as a result of the computer programs bsas, sap, qjx and nastran. the author researched the force characteristics and structural behavior of large - span prestressed concrete bridges with continuous rigid frame structure, used the advanced theory and technology, materials, arts and crafts to resolve the practical matters in design and construction, to optimize structure, and to provide credible technical data for the design and construction and maintenance of bridges
本文以吉林省九站松花江特大橋為研究對象,通過有機玻璃模型的設計製作及加工和試驗,以及對已竣工通車的實橋荷載試驗,利用計算機程序bsas 、 sap 、 qjx及nastran等程序進行理論計算和綜合對比分析,探討大跨徑預應力砼連續剛構橋的力學特點和使用性能,運用先進的理論、技術、材料、工藝等來解決設計和施工中存在的實際問題,優化結構,並為橋梁的設計、施工及使用維護等提供可靠的技術資料。Thus the numerical analysis testifies that the service stages of the pre - stressed and hollow concrete slabs with mid - strength spiral - ribs steel wires can also be separated to the elastic stage, cracking stage and failure stage
數值分析程序驗證了中強螺旋肋鋼絲預應力混凝土空心板的工作階段也可分為彈性工作階段、帶裂縫工作階段和破壞階段。Using theory of structure intensity and prestressed concrete bridge, this paper reviews theoretical computing method of stress and deflection. making use of the procedure of computing bridge structure, the structure of simply supported - continuous system is calculated and the result is analyzed, the character on force and deflection is generalized in the paper
運用力學理論、混凝土結構強度理論和橋梁結構相關理論論述了橋梁應力與變形的理論計算方法;利用專用橋梁結構計算程序結合具體工程項目中的簡支轉預應力連續結構進行了數值模擬計算,並對計算結果進行理論分析,提出這種結構型式在受力狀態與結構變形上的特點。Then the rational construction procedure of cfrp restrain fill is proposed based on field tests of experimental road in the thesis
接著論文介紹了試驗路段的修築和實地觀測情況,並總結出預應力碳纖維路堤施工的合理工序。This paper mainly describes the constructions of the formwork which is used in the monorail transit system in chongqing, and indicates that during the track girders ' fabrication, it is very important to pay attention to steel fabrication, orientation of conduct for tendon passing, the mixing, molding and maintaining of the concrete and the stretching of the prestressed tendon
介紹了重慶市單軌交通系統中的預應力混凝土軌道梁模板的構造,並闡述了在軌道梁製作過程中應重點做好鋼筋製作、預應力管道定位、混凝土拌制、成型、養護及預應力筋張拉等工序的工作。This thesis is mainly focused on the analysis method in numerical simulation of mechanic behavior of the long - span cable - stayed bridge in construction and the computer programming
本文重點研究了預應力混凝土斜拉橋在施工過程中的力學行為的數值模擬分析方法及其計算機程序實現。Firstly, the paper sums up program foundation of the auto design system for the structure of prestressed composite slab, in which object - oriented programming and multi - language programming are discussed emphatically. secondly, the paper illustrates program design of the auto design system in preprocess section, analyses calculation section and postprocess section respectively, in which the function design of the intellectualized collocation, the continuous beam model, the check of the precast slab, auto generation of the calculations and shop drawings is described weightily. finally, the practical design methods and process of the structure system of prestressed composite slab are expatiated by representative example
在綜述了預應力樓蓋體系以及計算機輔助設計的相關內容,分析了國內外研究現狀,研究了疊合樓蓋的受力機理、抗彎抗剪性能以及經濟指標后,文中首先概括了預應力疊合樓蓋體系自動設計系統的編程基礎,其中重點討論了面向對象程序設計和混合語言編程技術;然後分前期處理、分析計算、後期處理三部分,詳細說明了預應力疊合樓蓋體系自動設計系統的程序設計,其中突出描述了程序所特有的智能布置、連續梁模型、預制板校核、生成計算書及施工圖等功能的設計;最後用實例講述了預應力疊合樓蓋體系的實際設計方法及步驟。The steady of grottoes attacked by earthquake is analyzed with the engineering soft named adina, in order to show where the weak parts of grottoes are and time - history curves of the horizontal displacement of the easily damaged nodes and time - history curves of first and third principal stress of the easily damaged elements
( 3 )以大型adina有限元分析軟體為基礎,編制了預應力錨索材料的非線性有限元計算程序模塊,研究石窟在地震作用下的穩定性問題。選取能代表石窟整體結構的三個不同剖面作為有限元計算模型,並採用不同工程特性的地震動加速度時程作為荷載輸入。It is affected by many factors, such as construction method, creep secondary internal forces, secondary internal forces caused by exerted indeterminate structure and so on ; the other is in the working drawing of the prestressing cables
對其中任一工序,尤其是超靜定結構,其所配預應力束筋又導致內力重分配,因而需要反復調整,直到滿足要求;二是在施工圖的繪制方面。Based on such characteristics and the researches of the country and outside, this paper mainly studies at the automatic distribution of prestressing cables of prestressed concrete beam bridge and the automatic working drawing of the steel bundles. in this paper, based on the study of the group of the project, it sets up a fuzzy optimum math - model of the prestressed degree for prestressing cables disposition of prestressed concrete continuous beam bridges. and in the drawing of the steel bundles, the set up of the " prestressing cable model " makes its course convenient
本文針對現有的橋梁cad系統的不足,從工程實際應用的角度出發,初步構想了預應力混凝土梁橋cad系統的框架,並主要在其自動配束以及預應力鋼束布置圖的自動繪制方面作了一定的分析與研究:在配束方面,根據其設計的特點及存在預應力束調配過程煩瑣的現象,引入數學方法,基於模糊集合和預應力度的概念,初步探討了連續梁橋預應力鋼束自動配置的機理;在鋼束圖的繪制上,根據對鋼束特點的分析,提出了「鋼束模型」的概念,對預應力束進行描述,並給出了控制「鋼束模型」以及鋼束布置的參數,據此,作者採用fortran語言編寫了鋼束布置圖的繪製程序,實現了鋼束布置圖的自動繪制。The data used by calculation program and post - processing are formed by dialog boxes, and fed back by figure. a finite element program which considers the influence of axial deformation can analyze the prestressed concrete frame structure, then the structure is designed according to the code of concrete structure gbj10 - 89. post - processing can give the result of calulation by text file and graph, and plot construction drawings in autocad
前處理模塊通過對話框採集數據來建模,並利用圖形反饋建模結果;計算核心利用考慮了軸向變形的桿系有限元程序計算荷載效應和預應力效應,並按《混凝土結構設計規范》 gbj10 ? 89計算承載能力極限狀態和正常使用極限狀態;后處理模塊通過文本文件和圖形顯示來完成結果查詢,並直接在autocad環境下生成施工圖。Unbounded partially prestressed reinforced ( ppc ) structure is a new form of reinforced concrete ( rc ) structure 5which need not set ducts, install tendons and grout in advance, so it is more convenient and quicken the rate of progress
無粘結部分預應力混凝土結構是一種新型的加筋混凝土結構形成,它不需要預留孔道、穿筋、灌漿等復雜工序,簡便操作,加快了施工進度。分享友人