豎向預力 的英文怎麼說
中文拼音 [shùxiàngyùlì]
豎向預力
英文
vertical prestress-
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。In order to considering the affections of the adjacent zone out of the girdler section, the internal - forces of two end surface which were obtained by the horizontal shaft system analysis are exerted on each model respectively. moreover, the weight, cable force and prestressing forces including girder longitudinal, diaphragm transverse and inclined web vertical directions are considered
考慮到梁段以外附近區域的作用，在其兩端面上施加了由平面桿系結構分析所得的端面內力，另外，索力和預加力（梁縱向、橫隔梁橫向、斜腹板豎向）也施加在相應的位置，分析了箱形主梁在自重、索力和預應力作用下的空間應力效應。Finally, we suggest we should observe the horizontal and vertical deformation and water press in soil in construction, in order to avoid the huge accident and ensure the quality of construction. through the practice of binhai road in shenzhen, the studies result was further confirmed
最後本文提出，在濱海軟土路基施工中，對軟土地基的水平、豎向變形以及土中孔隙水壓力必須進行監控以保證軟土路基施工的質量和預防重大事故的發生，並強調以現場原位試驗來確定軟土工程力學性質，將更符合工程實際。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The study was focused on the deformation of the retaining wall and the internal forces in the reinforcements and the object of study included the effects of the vertical excitation, the reinforcement length, the reinforcement spacing, the weight of the facing blocks, the frictions between soil and facing blocks as well as those between two facing blocks
研究內容包括豎向地震影響、加筋長度、加筋層間隔、面板預制混凝土塊重量、面板與填土界面摩擦角、預制混凝土塊之間摩擦角等對加筋土擋墻變形、加筋層內力等的影響。Two types of seismic calucation methods that are response spectrum analysis and time - history analysis are used to analyze the seismic response of kiewitt ' s suspen - dome under lateral seismic action and vertical seismic action. the result obtained by above - mentioned methods and the code method are compared. genetic algorithm method is proposed to optimize the prestress of suspen - dome
本文採用振型分解反應譜法和時程分析法兩種方法，對kiewitt型弦支穹頂預應力結構的水平和豎向地震作用下的地震效應進行計算分析，並同現行的規范和規程的規定方法一10重力荷載代表值簡化法計算結果進行了比較分析。( 1 ) based on the experiments, this thesis discusses the stress loss of vertical prestress caused by deformation of anchorage, the resilience of the tendon and the joint compression ( l2 ), the elastic compression of the concrete ( l4 ) and the relaxation of the tendon ( l5 ). it is concluded that the anchorage deformation is dominated in vertical stress loss. measures are suggested to diminish the loss of the vertical prestress during the design and construction of the bridge
（ 1 ）本文在試驗的基礎上，研究了豎向預應力筋的錨具變形、鋼筋回縮和接縫壓縮損失l2 、混凝土的彈性壓縮損失l4和力筋的應力鬆弛損失l5 ，其中，第一項是最主要的損失，論文據此對設計和施工中如何減小豎向預應力的損失提出了自己的看法和建議。The results reached are compared and discussed. the ways and means that are presented by schmertmann and the steel pipe society of japan of making certain of the bearing capacity of a single pile through the knocks of spt are verified. finally some views and suggestions of authors are arrived at
對豎向荷載作用下，單樁的承載力理論、承載力的確定方法進行了一些歸納和總結，並結合一實際打樁（小直徑預制樁）工程對幾個典型的單樁豎向承載力計算公式進行驗證，並與能夠代表真實值的靜力載荷試驗結果對照，分析特定條件下各計算方法的精度及其局限性。So, for the design of prestressed frame, the later coefficient may be considered as the parameter of modulation of moment and the moment modulated is the moment caused by the vertical load plus the one by the horizontal load
因此，在預應力框架設計中，可以取只承受豎向荷載的彎矩調幅作為其調幅標準，調幅彎矩為豎向荷載產生的彎矩與水平荷載產生的彎矩之和，即用最小的彎矩調幅系數來調整截面的彎矩。For the comprehensive cognition to the prestressed concrete frame, four monolayer and monospan frames is built, two of which are loaded only vertically and the other two are loaded vertically and horizontally at the same time
為了對預應力框架的受力性能有一個全面深刻的認識，重慶建築大學又製作了四榀接近足尺的單層單跨預應力框架，並對其中兩榀同時施加水平荷載和豎向荷載進行了試驗研究。Based on the experimental study of two presstressed frames, it analyses the question of redistribution of internal force and analyses influence of moment modulation of prestressed frames. therefore, it draws some conclusion as follow : 1 ) post - tensioned prestressed frames can be practiced on moment modulation. but how to operate decides on practical situation in design
本文通過對兩榀近於足尺的后張有粘結預應力框架在跨間豎向荷載作用下的試驗研究，探討了預應力框架內力重分佈問題，從塑性內力重分佈入手分析了次彎矩對框架彎矩調幅的影響以及影響內力重分佈的其他主要因素，得到一些概念性的認識和結論： （ 1 ）對后張有粘結預應力框架可進行適當調幅。Considering the characteristics of internal force and structures of simply supported pc bridges, a novel automatically step - up method ( asum ), taking into account the influence of steel arrangement, steel ratio, stress losses of tendons and time - dependent concrete modulus, to analyze creep and shrinkage effects is presented. this method accepts all kinds of expressions of creep and shrinkage, and it is easy to calculate total stress, strain of concrete and steel and deflection of bridge at any time, the expected prediction accuracy will be obtained by further dividing the time - step within duration
首先，針對預應力混凝土簡支梁橋的受力特徵和構造特點，提出了徐變效應分析的全量形式自動遞進法，可考慮截面上鋼筋位置、配筋率、預應力鋼筋鬆弛、混凝土彈性模量隨時間變化等影響，且計算式可適用於任何形式的收縮、徐變特性表達式；建立的公式可方便地求解任意時刻混凝土、鋼筋的應力與應變和跨中梁體的豎向變形，計算精度可方便地通過計算時段的細分來控制，直至給出滿意的結果。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。Based on the theoretical analyses and the results from tests, the changing law of secondary torque is similar with that of the torque of spandrel beams subjected to the vertical loading. it points out the fact that secondary torque is a compatibility torque. at the same time, it provides an applicable method, which conforms to the changing law of secondary torque
本文通過理論和試驗數據分析，得到預應力次扭矩的變化規律與豎向荷載作用下的邊主梁扭矩的變化類同，指出預應力次扭矩同樣是一個典型的協調扭矩；同時對于預應力次扭矩在設計中如何考慮，本文提供了一種實用的並且符合預應力次扭矩變化規律的處理方法。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。Contrast analysis of the pretection models for the vertical ultimate bearing capacity of single pile
幾種單樁豎向極限承載力預測模型的對比分析Prediction of vertical ultimate bearing capacity of pile with bulb shaped base by using artificial neural networks
擴底樁豎向極限承載力的人工神經網路預測Prediction of vertical ultimate bearing capacity of phc piles
樁的豎向極限承載力的預測Abstract : through the practice of vertical pressers in long sp an continuous box - girder and the research of two - way prestress model test, the construction technology about unbonded vertical prestress is proposed and applie d in hanjiang bridge in hanchuan. for the first time, it ? s first adopted in long span concrete bridge in our country and a lot of economic benefits are created b ecause of its advantages such as little drill way, rapid and imple construction, h igh quality and so on
文摘:通過漢川漢江公路大橋大跨徑連續箱梁豎向預應力施工實踐和雙向預應力模型梁試驗研究，在該橋施工中提出並應用了無粘結豎向預應力技術.這在國內大跨徑砼橋樑上尚屬首次全面採用，它具有孔道直徑小，施工簡便快速，質量易於保證等優點，為全橋預應力施工創造了較為顯著的社會經濟效益分享友人