預應介質 的英文怎麼說
中文拼音 [yùyīngjièzhí]
預應介質
英文
prestressed medium-
The ion exchange quomodo was innovated, and the idea was first brought forward that the ion exchange reaction were occurred after the precursors were pretreated. the ion exchange reaction in molt salt was further studied
本論文對離子交換反應的方式進行了創新，首次提出先將前驅體進行預處理再離子交換的思想，並對熔融鹽介質中進行的離子交換反應做了深入研究。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。Such amplitude variations would be predicted on the basis of principles governing seismic velocities in heterogeneous media.
按照在非均勻介質內確定地震速度的原理，應能預測這樣的振幅變化。Application of pre - stack two - phase media attribute inversion in prediction of carbonate reservoirs in tazhong block
疊前雙相介質屬性反演技術在塔中碳酸巖儲層預測中的應用Abstract : the paper introduces advantages of cantilever assembly of long - span pc continuous beam. exploration is made on line control, shear key design, matching face treatment and grouting quality requirements, etc
文摘:結合工程實際介紹大跨度預應力混凝土連續梁懸拼施工的優點，對線形控制、剪力腱的設計、匹配面處理、壓漿質量要求等問題進行了探討。Complicated hydrologic and geographic conditions, and the large scale of the xiaolangdi hydraulic project on the yellow river are introduced briefly. three desilting tunnels are designed to meet the requirements of flood control, sediment discharge and runoff regulation. according to the performance requirements of desilting tunnels, the tunnel lining down - stream of the grouting curtain is designed to be post - tensional prestressed lining. on the basis of investigation and research, experiements and analysis, the unbonded prestressing system is used. it is the largest unbonded prestressed tunnel lining project in the world, and the first one in china
簡介黃河小浪底水利樞紐復雜的水文、地質條件以及龐大的工程規模.該樞紐設計有3條排沙洞，擔負著泄洪、排沙、調節徑流和保證進水口不被泥沙淤堵的任務.根據排沙洞的水庫運用要求，灌漿帷幕下游排沙洞洞身段設計為混凝土后張預應力隧洞.通過大量的調研、試驗、分析論證，在施工前確定該預應力方案選用無粘結預應力系統，成為目前世界上規模最大的無粘結預應力隧洞襯砌工程，在國內尚屬首例As it is difficult to obtain the accurate analytical solutions for the stress constraints of general 3d cracks, we have conducted systemically detailed researches on the out - of - plane stress constraint by finite elements ( fe ) and proposed a two - parameter description of non - through thickness 3d crack fields. several problems in damage tolerant design were also investigated based on continuum mechanics and probability theory
三維應力約束對精確預測結構破壞不可缺少，因此，本文採用三維有限元等方法基於連續介質力學、概率論等理論，對典型三維裂紋尤其是非穿透裂紋系統深入地開展了三維應力約束理論計算、三維裂紋端部應力場描述以及結構三維損傷容限設計的研究。Consequencely, the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, and the back - analysis and the prediction of the parameters of the dam system have been done according to the operating observed data. the research work involves several aspects as follows : 1 ) a back - analysis model including the prior information and a predictive model of nonlinear time series were established ; 2 ) the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, in which the analysis module of the loading effects, the back - analysis module, the forecasting module of the physical parameters and the assessment module of the operating state were contained ; 3 ) according to the operating observed data, the operating state of the dam was assessed and predicted with the analysis system of the operating state, the results suggested that the dam is in basically normal operation at present
具體工作有以下幾方面： 1 ）收集整理漫灣水電站大壩運行監測資料，並對其進行了系統分析，從觀測資料本身直觀的分析了大壩的運行狀況； 2 ）總結位移反分析的理論及方法，建立了考慮先驗信息多介質位移反分析模型，基於神經網路非線性映射功能，建立了神經網路時間序列預測模型； 3 ）以ansys軟體為平臺，開發了漫灣水電站砼重力壩運行狀態評價模塊，結合荷載效應分析、參數反演分析、參數預測分析三個模塊組成漫灣水電站砼重力壩運行狀態分析系統；實現了對漫灣水電站運行狀態的動態「反演-預測」分析； 4 ）利用漫灣水電站砼重力壩運行狀態分析系統，在漫灣大壩實測資料分析、大壩砼特性參數反分析、大壩砼彈性模量衰變規律及預測分析的基礎上，系統的分析並預測了大壩運行狀態。Taking a qingdao hotel second phased project deep hole excavated for building foundation as example, the paper introduces the application of the demolition vibration in the complex peripheral environment and the geological condition, the influence, crag body vertical excavates regarding nearsightedness, the pre - stressed anchor rod and the earth nail unify support and protect the technology in the project of the crag body side slope
摘要以青島某飯店二期工程深基坑為例，介紹了在復雜的周邊環境和地質條件以及有爆破振動的影響下，對于近似垂直開挖的巖體邊坡，預應力錨桿與土釘結合的支護技術在邊坡支護工程中的應用。On the basis of construction technique of large diameter bored hollow pile of prestressing force concrete, through the program of marc, this paper analyses the pile vertical bearing capacity under different lengths, diameters and strength parameters of mediators as well as the inner force and displacement under lateral and combined loads, giving the criterion of rigid pile and flexible pile. with elastic theory, the paper establishes the inner force calculating formula under eccentric load. this research findings will set a firm theoretical foundation for its widely application
本文在對大直徑鉆埋預應力混凝土空心樁施工工藝分析研究的基礎上，運用marc軟體，對豎向荷載作用下不同樁長、樁徑及樁周介質強度參數時空心樁的承載力性狀，以及水平向荷載及其組合荷載作用下空心樁的內力、位移變化規律進行了模擬分析，提出了大直徑鉆埋預應力混凝土空心樁的剛性與柔性界定標準。By means of numerical emulation, it analyses the pile vertical bearing capacity under different lengths, diameters and strength parameters of mediators as well as the inner force under lateral and combined loads, giving the criterion of rigid pile and flexible pile. with elastic theory, the paper deduces the inner force calculating formula under eccentric load and the bearing capacity calculating formula under vertical load ; establishes a complete design and calculating method of large diameter pile
通過數值模擬，對樁在豎向荷載作用下不同的樁長、樁徑及樁周介質強度參數變化時樁的承載性狀進行了分析，並對樁在水平向荷載及其組合荷載作用下樁的內力變化規律進行了分析，提出了大直徑鉆埋預應力混凝土空心樁的剛性與柔性界定標準。On the basis of construction technique of large diameter bored hollow pile of prestressing force concrete, through simulation test, this paper simulates the interaction of pile with side mediator and pile with end mediator respectively under different conditions of injected cement paste, analyses the changing regularity of ultimate skin friction in different depths and different mediators, and also studies the changing regularity of end resistance in different end mediators
本文在對大直徑鉆埋預應力混凝土空心樁的施工工藝分析研究的基礎上，通過室內模擬試驗，分別模擬樁與樁側、樁端介質不同注漿情況下的相互作用性狀，分析了樁側介質變化時不同深度處樁側極限摩阻力的變化規律和樁端介質變化時樁端承載力的變化規律。If electric heating pipes are put into operation firstly, preheat the pipes to the maintenance temperature of media, then open valve
電伴熱管線首次投運介質前，應先預熱管道，使管壁溫度達到介質維持溫度后，再開啟閥門。Due to the influence of the corrosive agents in the outer environment, the resistance and dynamic reliability of the chemical structures declined with time very fast. and it is difficult for the chemical structures that with the normal design reliability level to fulfil their structural functions. on the condition that the design service life is confirmed, the design reliability level of the chemical structures should include the corrosive environment and its effect on the structures. based on agents ' corrosiveness fuzzy classification, this paper suggests a practical method on design reliability level decision - making of the industrial structures, which is very useful for the anti - corrosion design of the industrial structures
化工結構由於受到外部腐蝕性介質環境的影響，其承載能力及動態可靠度水平隨使用時間衰減過快，按照普通結構設計可靠度水平設計的工業建築常難以順利完成設計使用功能.因此，在設計基準期預先確定條件下，化工結構的設計可靠度水平應綜合考慮腐蝕性環境及其對建築結構的影響特點來決策.根據介質腐蝕性模糊分級，提出了工業建築設計可靠度水平的一種實用決策方法Application of stochastic medium theory to predicting settlement in longitudinal surface due to tunnel construction by shield
隨機介質理論在盾構法隧道縱向地表沉降預測中的應用The necessity and purpose of the technological revamp is discussed in this paper. the subjects of the revamp are briefly introduced herein, which involve : 1 ) enlarging the desulphurization ability of hot metal to achieve complete desulphurization pretreatment of hot metal ; 2 ) drawing up a general plan and programme for the revamp of the continuous caster and implementing it step by step ; 3 ) building up a straight curved slab continuous casting machine at the begining to meet the requirements for high quality steel
分析了技術改造的必要性;闡明了技術改造的目的;簡介了技術改造的主要內容，擴大鐵水脫硫能力，實現鐵水全部脫硫預處理，鑄機改造總體規劃設計、分步實施，先改建成一座直弧式板坯鑄機，以適應高質量鋼的要求。Probability method is that we build probability model with bayesian equation, which predicts if reservoir can induce earthquake, with the data of induced earthquake and non - induced earthquake reservoirs, considering such five factors as reservoir depth, capacity, tectonic stress condition, fault activity and media condition in induced earthquake region
概率分析方法是利用誘震水庫和未發震水庫的統計資料，考慮了庫深、庫容、構造應力環境、斷層活動性及誘震區介質條件5個因素，再利用概率統計中的貝葉斯公式建立了預測水庫能否誘震的概率模型，最終計算出結果。The article analyses negative effects of pretensioning for underground structure on waterproof coated membrane and introduces the way of treatment and quality control measures taken
分析了地下工程結構預應力張拉對塗膜防水層的負面影響，介紹了採取的有針對性的處理方法以及保證防水施工質量的控制措施。The thesis introduces the biot ' s three - dimension consolidation theory based on absolute linear - elastic theory ; the thesis designs the pit dewatering scheme of hand - dug piles support of shenyang subway ' s shenyang station construction ; the thesis uses finite element program to simulate the influence on around environments caused by pit dewatering, and finds the change laws of earth mass inner stress and the effect parameters on the surface deformation on the basis of reasonable hypothesis and the analysis of ground water exploitation progress. combined with stochastic medium theory, the thesis introduces dewatering subsidence coefficient, sets up the predicting model of the surface deformation caused by dewatering, and develops the computing program ; by application of program on a single well of underwater exploitation, it is proved that the program is feasible, so the prediction of the surface deformation caused by underwater exploitation is realized
本文介紹了基於線彈性本構關系的biot理論；設計了擬建沈陽地鐵沈陽站點人工挖孔樁支護施工的基坑降水方案；利用有限元程序，模擬了基坑降水對周圍環境的影響；在合理假設的基礎上，分析了地下水開采過程中，地層應力的變化規律，找到了影響地面變形的參數；與隨機介質理論相結合，通過引入采水下沉系數建立了地下水開采引起地面變形的預計計算模型，並編制了電算化程序；通過某單井開采實例驗證了該方法的可行性，實現了地下水開采引起地面變形的預計。Based on the types of mediums in industrial production, possible explosion accidents and destructive effects from installations with solid, liquid or gas medium are analyzed and forecasted, corresponding analysis flow chart is established
摘要從工業生產中的介質類型出發，通過對內裝固體的、液體的及氣體的介質裝置可能發生的爆炸事故和破壞效應進行分析預測，編制了相應的分析流程圖。分享友人