部分預加應力 的英文怎麼說
中文拼音 [bùfēnyùjiāyīnglì]
部分預加應力
英文
partial prestressing- 部 : Ⅰ名詞1 (部分; 部位) part; section; division; region 2 (部門; 機關或組織單位的名稱) unit; mini...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 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...
- 部分 : (整體中的局部或個體) part; section; portion
-
In this test, a special bolt - jack is used to exent of prestressing force to brace angles as the whole structure is under dead - load. in this state brace angles withstand partly load before twice - load and the stress and strain of concrete are decreased. in this way the aim of removal of load and strengthening can be reached
本試驗中採用專用螺栓千斤頂在恆定荷載水平下對混凝土柱角鋼撐桿施加預壓應力,使外包角鋼在二次受力前即分擔部分荷載,使混凝土應力水平和應變水平降低,達到卸載與加固同步進行的目的。Concrete, reinforced and prestressed concrete structures - part 100 : brick floors
加筋和預應力混凝土結構.第100部分:磚地The study work in the dissertation is an important part of the tenth five - year defence advanced research project of “ study on control technology of the machining distortion for complex structure parts ” supported by pla general armament department of china. theoretical analysis and experimental study are carried out on the initial residual stresses and their effects on milling distortion for thick aero - aluminum - alloy plate
本文作為總裝備部「十五」預研項目「復雜結構件加工變形控制技術研究」的主要組成部分,以航空鋁合金厚板為對象,研究重點定位在其初始殘余應力分佈規律及其對數控銑削加工變形的影響。Steel for the prestressing of concrete - part 5 : hot - rolled steel bars with or without subsequent processing
混凝土預應力鋼筋.第5部分:有或無后續加工的熱軋鋼筋Though not in line with the present laws and policies concerning real estate, many of the conclusions in this thesis result from the writer ' s long years of study and practice. these conclusions are as follows. law should not put a restriction to the assignment of the right to the use of land ; acceptance terms in the commercial housing advance sales are parts of its contract and are legally binding on the signatory parties ; the system should be set up to permit the assignment of collective ownership of land and the compensated use of curtilage in rural area ; law should permit the selling of rural houses to non - agricultural population ; the bona fide acquistio n should be applicable in china ; by analyzing the leagal theory and relevant cases concerning the dual purchase and sale of real estate, it is held that while stressing the power of registration, laws should protect the interest of the well - meaning party who faultlessly fails to register, and individuals should be regarded as the subject in the exclusive selling contract of commercial housing
本文是筆者長期工作實踐和精心研究的成果,許多見解與現行房地產法律、法規不一致,本文主要的創造性成果和新見解概括如下:法律不應當對土地使用權轉讓條件加以限制;預售商品房廣告承諾是商品房預售合同的組成部分並具有法律約束力;建立集體土地使用權轉讓制度和宅基地有償使用制度,許可農村房屋出賣給非農業人口,促進農村房地產業的發展;我國應適用不動產善意取得制度;通過對房屋雙重買賣法律問題的理論和相關案例分析,認為在強調登記效力的同時,應注意對善意一方當事人非因其過錯而未進行登記情況下的利益保護;個人應當成為商品房包銷合同的主體。The springing quantum of the pc beams due to the beforehand stress is only part of that of girder
預應力混凝土梁施加應力后的起拱只是主梁起拱的一部分。The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable
本文的主要工作是:對國內外預應力鋼結構的發展歷史及現狀作了綜述和總結,指出當前預應力鋼結構工程實踐中存在的主要問題;闡述了預應力鋼結構的受力機理,並指出預應力鋼結構的適用范圍和特點;在考慮結構應力和變位約束的條件下,建立預應力鋼結構優化設計模型;提出多次預應力鋼結構優化設計方法和步驟,採用線性規劃和滿約束準則相結合的優化方法,可優化設計出施加的每一級預應力的大小,並得到結構各部分的優化截面;對多次預應力最佳的施加次數作了分析,並建議以2 3次為宜;為驗證文中理論和方法,分別對大跨多次預應力鋼屋架、局部布索的水平平行弦鋼桁架、整體布索的水平平行弦鋼桁架和局部布索的超靜定鋼桁架等算例進行了優化設計,經濟效益明顯;對水平平行弦鋼桁架的幾種施加預應力的方案進行比較,對于局部布索,預應力只對下弦起到卸載作用,對上弦和腹桿基本不起作用;而整體布索預應力除對下弦卸載外,對索折點以外部分腹桿也起到卸載作用,經濟效益好於局部布索。In this paper, the three level fortification criterion, two stage design method and the elastic response spectrum theory are adopted, and the program of nba ( the program of nonlinear - aseismic analysis for beam bridge ) is used to calculate. through gathering, analyzing and calculating a lot of bridge design materials, this paper induces a simple way to calculate the relative displacement of the beam and the pier, and then according to the current design method, it concludes a better design principle of the supporting length of the beams. at the same time the dynamics is adopted to put forward the design method of the carrying capacity and the lengthen of prestress wire ( steel bar ) falling - off prevention structures of highway bridges
本論文採用三水準設防、兩階段設計方法、彈性反應譜計算理論,運用橋梁結構非線性地震響應分析程序nba ( theprogramofnonlinear ? aseismicanalysisforbeambridge )進行計算;通過收集大量的實橋設計資料,經分析計算,歸納總結出計算上下部結構相對位移的簡便計算方法;並綜合國內外的經驗值,提出梁的支承長度se的設計原則;同時運用動力學突加荷載的原理,推導分析了預應力鋼絞線式(鋼棒連接式)落梁防止裝置設計承載力的計算方法和設計伸長量s _ f的取值;最後本文通過實橋計算,說明了落梁防止系統設計的方法。By using a cell equivalent method, the present model can deal with the face - center square structure of erf. combining the scheme of the classical conductivity model for the single - chain structure, a new formula for the prediction of the shear yield stress of erf is set up. the influences of the separation distance of the particles, the volume fraction of the particles and the applied electric field on the shear yield stress are investigated
在電導模型的基礎上,建立在電流變液體在外加電場的作用下,粒子之間會形成某種特定的微觀結構,利用等效胞元的方法,將這微觀結構等效成一個平板,建立了等效的微觀結構平板模型,通過計算電流變液體內部的局部電場,對電流變液體的工作機理和剪切屈服應力進行了預測,並且分別考慮了在不同的粒子間距、不同的粒子濃度、不同的外加電場的情況下,對剪切屈服應力的影響。Railway applications - track - concrete sleepers and bearers - part 2 : prestressed monoblock sleepers
鐵路設施.軌道.混凝土枕軌和支撐架.第2部分:加預應力的單塊枕木It tries to foretell the developing tendency of the future public medium through the traits of its developing changes. according to the great pressure before china after its entering the wto, we can then have active response and propel our public medium. thus propei public media to another more brilliant " go1den age.
第五部分指出對九十年代我國大眾傳媒發展變化研究的目的是為了理清大眾傳媒發展的脈絡,試圖從其發展變化的特徵預測未來大眾傳媒的發展趨勢,針對我國加入叮后所面臨的巨大壓力,做出積極反應,從而推動我國大眾傳媒走向下一個輝煌。On the other hand, for the pre - press stress being threw by the hub was inserted after cooling with liquid nitrogen, the poor transverse tension strength of the multi - ring flywheel rotor could be counteracted. so the rotate speed and energy storage density can be increased efficiently
而採用多環套裝纏繞技術製造的多層飛輪輪環,在利用溫差過盈裝配方法給復合材料輪環施加預壓應力后,能夠有效避免飛輪轉子的復合材料輪環部分因較低的纖維橫向抗拉強度而破壞失效,從而大幅度提高飛輪轉子的極限轉速和儲能密度。Steel, concrete and composite bridges - specification for materials and workmanship, concrete, reinforcement and prestressing tendons
鋼混凝土及混合結構橋.第7部分:材料和加工質量混凝土鋼筋及預應力鋼筋束規范Admixtures for concrete, mortar and grout - part 4 : admixtures for grout for prestressing tendons ; definitions, requirements, conformity, marking and labelling ; german version en 934 - 4 : 2001
混凝土灰漿和灌漿添加劑.第4部分:預應力鋼筋束灌漿Admixtures for concrete, mortar and grout - part 4 : admixtures for grout for prestressing tendons - definitions, requirements, conformity, marking and labelling
混凝土砂漿和灌漿用添加劑.第4部分:預應力鋼筋束用添加劑.定義要求符合性標記和標簽At first, this thesis analyzes the main causes in theory, which have effects on the redistribution of internal force and modulation of moment for the bonded post - tensioned partially prestressed concrete frame ( for short prestressed frame ), including the relative height of compressive zone of section ( ), secondary moment and types of load applying. then, this thesis analyzes the test of prestressed frame. then, a method, called curvature - force method, for nonlinear analysis of prestressed frame is put forward
本文首先從理論上分析了影響后張有粘結部分預應力混凝土框架(簡稱為預應力框架)內力重分佈和彎矩調幅的主要因素,即相對受壓區高度、次彎矩和加載方式等,並初步分析了兩榀只加豎向荷載和兩榀既加豎向荷載又加水平荷載的單層單跨預應力框架靜力加載的試驗。Third, c80 high - strength concrete is used in the test beams. finally, to increase the ductility of the test beams after the crack of mid - support, steel fiber reinforced concrete is used in the mid - support zone. as part of the whole research project, several works have been undertaken in this dissert8tion
本課題主要突出以下特點: ( 1 )結構模型為兩跨變截面箱型連續梁; ( 2 )部分預應力體系作為研究重點; ( 3 )梁體採用c80高強混凝土; ( 4 )為了增加結構在中支座開裂后的延性,在連續梁的中支座區段採用與梁體其它部分同標號的鋼纖維混凝土。Concrete, reinforced and prestressed concrete structures - part 4 : additional rules for the production and conformity control of prefabricated elements
混凝土加筋和預應力混凝土結構.第4部分:預制元件生The tower shafts, most of which are hollow and varying in cross section, and altitudinal construction bring trouble to the form work and the stress of strand wire. and the cracks on the crossbeams will be caused by the following - deformation of the bracing structure joints, elastic deformation , uneven settlement and temperature changes. the additional stress of the base slab and the foundation is caused by the deviation of cable bent tower construction
但大跨度橋梁混凝土索塔施工設備進場及現場管理都比較困難;塔柱多為空心變截面,且為高空作業,給模板工程及預應力張拉帶來一定困難;支撐系統連接的間隙變形、彈性變形、不均勻沉降以及環境溫差可導致橫梁裂縫;索塔施工偏位會引起的承臺和基礎的附加應力,對加勁梁的架設影響大;懸吊結構未完體系(架設時)施工階段的風致振動往往影響到施工的安全和質量;實心塔柱部分體積較大,易產生溫度裂縫。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