displacement bridge 中文意思是什麼

displacement bridge 解釋
測位移電橋
  • displacement : n 1 轉位,移動;取代,置換;(人的)流離失所。2 撤換,免職。3 【機械工程】(活塞)排氣量;【航海...
  • bridge : n 1 橋,橋梁;【造船】艦橋,船橋。2 鼻樑;(假牙上的)齒橋;【音樂】弦柱,弦馬;【電學】電橋;【...
  1. It is difficult to test the moving - load - induced dynamic vertical displacement of a floating bridge, because the vertical displacement of a floating bridge consists of the contributions from the structural deformation, the variations of the gaps between the pontoons and the variation of the draught, and it is much larger than that of an immovable bridge

    摘要通載浮橋的動態位移,由於其位移幅度相對于固定橋要大得多,而且其垂向位移是由結構變形、間隙變化以及吃水變化等多種因素引起,一般難以對其進行動態位移測試。
  2. In order to get an better control in horizontal displacement of tower top and the internal strength and displacement in beam, the theme take an circulating forth piece together means and get to a good target. the theme carry the theory through bsap program in design of the large highway bridge in anqing and prove the theory of the theme ' s useful and availability

    結合在安慶長江公路大橋的設計工作,論文採用了bsap系列程序有針對性的進行了實際應用,實際生產的使用表明了本文所採用理論與方法的有效性,為斜拉橋施工控制的模擬計算過程提供了一種參考與依據。
  3. According to the character of suspension bridge, firstly the theory of construction control calculation of suspension bridge is analyzed and a new calculative method which is the analytical numerical theory and limited displacement theory is put forward

    針對懸索橋結構的受力與變形特點,首先,分析了懸索橋施工控制原理,提出了懸索橋施工控制分析計算軟體設計的新思路,即綜合採用懸索橋解析理論和有限位移理論的計算方法。
  4. Application of displacement back analysis to beam bridge ' s alignment control of cantilever construction

    位移反分析在梁橋懸臂施工線形控制計算中應用
  5. The time - history method in combination with damper coefficients and their associations was employed to compare and analyze the bridge response results in terms of the inertial forces of key sections and displacement of key positions

    針對不同粘滯阻尼器阻尼系數以及阻尼指數組合,採用時程分析方法,比較分析了結構主要構件和部位的內力及位移地震響應結果。
  6. When analyzing skew support continuous curved box girder bridge, curved grid girder analyzing method considering warping effect is applied. matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing. in order to convert original rigidity equations to structural rigidi ty equations that can be solved, bearing nodal displacement matrix can be introduced, then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings, unit rigidity matrix and unit nodal forces can be gained. structural rigidity matrix can be composed according to matrix displacement method, so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved

    分析斜支承連續曲線箱梁橋時,採用考慮翹曲作用的曲線格子梁分析方法,應用矩陣位移法對具有約束支承形式的斜支承連續曲線薄壁箱梁橋進行分析,考慮到支座的約束條件並不與梁端彎曲角位移和扭轉角位移的方向一致,引入支座節點坐標矩陣,使得梁端的位移未知量與斜支座約束方向一致,來計算單元剛度矩陣和單元節點力,然後按照矩陣位移法組集總剛並建立結構剛度方程,根據結構剛度方程即可求解未知的節點位移及桿端力,推導出任意截面處的內力計算公式。
  7. In the process, we import the displacement method " s concept of replacement ahead, that is to say, we replace the unknown vectors with new unknown vectors to prevent the delivering and accumulation of errors. at the same time, we completed the skew bridge calculation procedure, and compared the calculation results with the results by the finite element software ansys, it proved the correctness and practicality of this procedure

    在矩陣傳遞的過程中引入位移法中的前進代入的概念,即將未知向量不斷的以新的未知向量替換,以防止誤差的傳遞和積累。本文完成了斜交格子梁橋的內力計算程序,並將計算結果與採用有限元分析軟體ansys分析計算的結果進行了比較,驗證了程序的正確性和實用性。
  8. During the 3d finite element calculation, try to simulate different procedure of the construction ( like sunk well in - filling, main cable erection, box girder hoist, bridge flooring and opening to traffic ). and then, reveal the regulation of deformation and displacement on the foundation and soil during different period. after got these, this thesis put great attention on the analysis of the reason which cause the horizontal displacement of the cable saddle, as well as the regulation of the pressure ' s changing in the soil located on the front side of the sunk well foundation

    在三維有限元計算中,對不同工況(沉井充填、錨體澆築、主纜架設、箱梁吊裝、橋面鋪裝以及通車運營)下的施工過程作了模擬,全面揭示了各工況下錨碇沉井基礎與地基土的變形變位規律,著重分析了影響散索鞍水平位移的因素以及不同工況下沉井前測地基土水平向抗力變化規律,並提出了不同深度地基土水平向抗力與水平位移間的擬合關系。
  9. Visual observations showed that a horizontal displacement in the longitudinal direction of the bridge developed between the tie girder and the top flange of the floor beam at the end connection.

    肉眼觀察表明:在端節點處的系梁和橫樑上翼緣之間產生一種沿橋梁縱向的水平位移。
  10. Through the calculating example results and the comparisons with other calculating theories, it is proved that the calculating formulas of the combined geometry curve theory is valid, practical and accurate. it can be used in the calculation of line shape at the preliminary design, and can meet the engineering need. ( 3 ) this thesis researches systemically on the calculating theory of the suspension bridge ’ s cable system, including calculating design line shape and internal force, erection line shape of cable and pre - displacement of saddle without loads, the fixed position for erecting cable and amendatory method of cable ’ s unstressed length

    通過算例驗證了混合線形理論公式的實用性和正確性,並且與其它計算理論的結果比較,證明公式有足夠的精度,可用做初步設計中主纜線形的計算,能夠滿足工程的需要; ( 3 )對自錨式懸索橋主纜系統計算理論進行了系統研究,包括成橋線形和內力計算、空纜線形和內力計算、鞍座預偏量計算、索夾安裝位置計算和索鞍處主纜無應力長度修正方法。
  11. Secondly, calculation theory of construction for suspension bridge is presented under the ideal condition of dead load design. linetype change stiffness of cable and slip stiffness of supporting points are deduced based on segmental catenary theory. then numerical analysis method through sgkz2000 software are introduced in detail about calculating design linetype for suspension bridge, unstressed length of cable, erection linetype of cable and pre - displacement of saddle without loads, erection linetype of wire strands, the fixed position for erecting cable band and linetype of lifting stiffening girders

    其次,根據懸索橋恆載設計理想狀態建立了懸索橋施工計算原理;以分段懸鏈線索理論為基礎,推導了懸索的線形變化剛度和懸索支點的滑移剛度;介紹了懸索橋成橋設計線形計算、吊索無應力長度計算、空纜線形與預偏量計算、絲股架設線形計算、索夾安裝位置計算和加勁梁吊裝線形計算的具體方法、數值演算法及軟體sgkz2000的計算模塊的實現。
  12. This paper also presents the methods of controlling unstressed length of cable, pre - displacement of saddle, anchor span tension, erection of wire strands, the fixed position for erecting cable band and cable length. determination and control approach of displacement of saddles during cable erection are also introduced. at the same time, the change course of linetype during construction period for suspension bridge is analyzed

    再次,介紹了懸索橋的施工控制內容與方法,利用軟體sgkz2000對多座懸索橋進行了施工計算,提出本文關于懸索橋的主纜無應力長度控制、索鞍預偏量控制、錨跨張力控制、絲股架設控制、索夾安裝位置與吊索長度控制的方法;介紹了吊梁階段鞍座頂推量的確定與控制方法,分析了施工階段懸索橋的線形變化過程。
  13. The program used near elements " vibration displacement to predicate a bridge " s strain when it computed the strain mode of a bridge. to some extent, as solved measuring means to detect structure damage with strain mode approach. the program " s computing result certified that bridge damage " s location and degree could be delected not by the approach of strain mode, but by the curve difference ol " strain mode

    程序人計訃應變模態時采川州鄰單元的模態位移,卅抑橋梁介動載作川十人勺應變棋忐公式,從一定程度卜解決了應變模態方法應川: j 「結構損傷檢測受到傳統應變測量手段制約的難題。
  14. Result shows : the vibration of vehicle is mainly relevant to velocity and uneven path. the higher the velocity is, the more uneven the path is, the more violent the vibration of vehicle is ; comparing dynamical response of middle bridge stride on vehicle passing bridge and on equivalent moving loads, the displacement is same but the velocity and the acceleration are different ; the result of velocity and acceleration of vehicle is big over the ground path than over the same path of bridge

    結果表明:車輛的振動主要和車速及軌道不平順有關,車速越高,軌道越不平順,車輛振動的就越劇烈;車過橋時橋梁跨中動力響應與等效移動荷載作用下橋梁跨中動力響應比較,橋梁跨中的位移基本相近,速度和加速度則不同,等效移動荷載作用情況下的數值比較大;車輛過地面軌道不平順時的速度、加速度比車輛過橋上同樣軌道不平順時的數值大。
  15. In this paper, based on the static - load tests of tension piles in soft ground lying on the province of zhejiang such as zhongshan garden, gongchen bridge canal piazza, etc, the calculations of ascending displacement, developing mechanism of the side friction and utmost bearing capacity of the tension piles are studied

    本文以中山花園、拱宸橋運河廣場等浙江軟土地區抗拔樁靜載試驗為背景,對抗拔樁抗拔承載力計算、上拔量計算、抗拔樁側阻發展機理進行了分析研究。
  16. Concrete elastic modulus and concrete creep and shrinkage variety at different time are reckoned in by using time increment analysis method and concrete creep and shrinkage secondary force is calculated by using effective elastic modulus. bridge stability analysis program is developed on the base of structure matrix displacement method, the program adopts visual basic language, has friendly interface and visual data input windows. the buckling safety factor of currently finished structure is given as result

    為計入混凝土彈性模量的變化及混凝土徐變收縮隨混凝土的齡期與外荷載加載時間不同而變化的影響,採用時間增量法對每個計算階段根據其階段內時步數進行循環,以計算時段內彈性應力、應變增量和徐變、收縮產生的應力應變增量,利用有效彈性模量法計算混凝土徐變收縮次內力,在此基礎上,結合結構矩陣位移法的基本理論編制開發了計入混凝土時效效應的高墩大跨徑橋梁穩定分析程序。
  17. Abstract : the paper analyses damaging causes for fixed support of chongqing beibei chaoyang suspension bridge in high temperature in august 1992. it put forward the idea for changing fixed support into finite displacement supper support based on site and analyses for structural intemal force. it is practical for engineering

    文摘:分析重慶北碚朝陽吊橋在1992年8月高溫時,使固定支座破壞的原因,在現場調查和結構內力分析基礎上,提出了將固定支座改為有限位移橡膠墊板支座方案,實踐證明是可行的
  18. To restrict the displacement at stiffening girder ends under action of earthquake and to ensure that the girders will not cause too fast movement speed towards the expansion joints lest the joints should be damaged, the constraint devices are intended to provide for the girder ends of xihoumen bridge, the zhoushan mainland and islands link project

    摘要為限制地震作用下加勁梁的梁端位移以及使梁體不對伸縮縫作用過大的速度以免損害伸縮縫,計劃對舟山大陸連島工程西堠門大橋設置梁端約束裝置。
  19. 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。
  20. On the basis of large - displacement virtual principle, the finite element equations of stable type suspension bridge containing towers are driven. the stiffness matrixes of the cable element, the bar element and the beam element using node coordinates are given, too. such method has not been found in reference books

    論文從有限位移彈性理論的虛功方程出發,推導出穩定橋全橋結構的非線性有限元運動方程,還推導了用節點坐標表示的索單元、桿單元和梁單元的單元剛度矩陣,這一點在參考文獻較少見。
分享友人