橋體結構 的英文怎麼說
中文拼音 [qiáotǐjiēgòu]
橋體結構
英文
crossstructure-
Arcuated built - up system bridges are one of bridge structural styles, which are used extensively at present. on one hand, because of complexity and diversity of this kind of structure, current engineering experiences have not satisfied design requirements no longer. on the other hand, towards this kind of structural system traditional methods simplify complicated structures into planar structures, these methods neglect apparently spatial action among members, especially those primary bearing load members along lateral direction of bridges
拱式組合體系橋梁是目前廣泛採用的一種橋梁結構形式，一方面由於拱式組合體系橋梁結構的復雜性和多樣性，現有的工程經驗已不能滿足設計需求；另一方面對于這種結構體系過去的傳統做法是將復雜結構簡化成平面結構，這種做法顯然忽略了構件之間的空間作用，尤其是沿橋橫向存在主要承力構件。Comparing with the same category overseas jointless bridges, the new type bridge has more reasonable structure, more simple and convenient construction, and better use effect etc. the main work in this paper is described as follows : ( 1 ) this paper introduces phylogeny and reseach survey of the joints bridge inland and abroad, and a new jointless bridge structure ? new type semi - integral abutment bridge is based on these, which characteristic of own structure and setting of primary component are expatiated. ( 2 ) this paper analyses influence of temperature effect, creep, shrinkage and circumambient soil of run - on slab on the new type structure, and analyses the forcing performance of beam, abutment and run - on slab of the new type semi - integral abutment bridge, and constrast to the same category joints bridges
本文主要做了以下工作: （ 1 ）介紹了無縫橋梁在國內外的發展歷史、研究概況，並在此基礎上提出了一種新的無縫橋梁結構形式-新型半整體式無縫橋梁，闡述了它特有的結構形式以及主要構件的設置; （ 2 ）分析了溫度效應、徐變和收縮以及搭板周圍土體對這種新型結構的影響，對新型半整體式無縫橋主梁、橋臺以及搭板進行了受力性能分析，並和同類無縫橋梁進行了對比分析。Lastly, the minimum permission reliability index is offered by the method of " calibration method " which makes back calculation out of the bending resistance reliability and the compression resistance reliability of the reinforced concrete member in norm
最後，根據「校準法」反演計算現行設計規范中鋼筋混凝土結構抗彎、抗壓可靠度指標以確定在用橋梁結構體系的最低目標可靠度指標。The basic theory and step of whole process analysis of reinforced concrete beam section flexural rigidity is stated, the realization program is worked out and the academic example is analyzed. 4. based on the static - state load test result of two practical projects, the application of the reinforced concrete beam system bridge structure disease examination and structure damage evaluation method is stated, and satisfaction result is gained
1 、綜述了當前混凝土橋梁結構檢測及損傷識別的各種方法體系，並簡要評價了各方法體系的應用與不足； 2 、論述了基於靜載試驗的梁分段剛度系統識別的基本原理，編制了實現程序，並進行了數值算例分析，提出基於本原理的梁橋結構損傷識別與結構評價方法體系； 3 、闡述了鋼筋混凝土梁截面抗彎剛度全過程分析的基本原理和方法步驟，編制了實現程序，並進行了相關算例分析； 4 、結合兩片工程實例梁的靜載試驗，詳述了梁橋結構損傷識別與結構評價方法的應用過程，得到了預期的效果。Based on the conceptual considerations and structural design of pingsheng bridge in foshan, the first single tower and single span hybrid girder self - anchored suspension bridge in the world, the original technical achievements of the bridge, such as those of the integral bridge tower and separated stiffening girders, the stiffening hybrid girders, structural types of steel - concrete girder joint parts, steel box girder incremental launching and hanger adjustment, are presented and the key and innovative techniques for the self - anchored suspension bridge are described in a summarized account as well
摘要通過世界上首座獨塔單跨混合梁自錨式懸索橋佛山平勝大橋的方案構思及結構設計，介紹了其採用的整體橋塔分離式加勁梁橋型結構、混合加勁梁、鋼混凝土結合段構造型式、鋼箱梁頂推技術、吊索調索技術等原創性工程技術成果，綜述了自錨式懸索橋設計的關鍵和創新技術。Code for design on concrete and block masonry structure of railway bridge and culvert
鐵路橋涵混凝土和砌體結構設計規范The safety load - carrying ability and the using conditions of the whole structure of the bridge could be estimated according to its actual working conditions under dynamic load
了解該橋在動力荷載下的實際工作狀態，判斷該橋整體結構的安全承載能力和使用條件。Fire extinguishing pylon is designed with the help of lots of design institute in order to meet the fireproof requirement. it s made of fire extinguishing panel and common steel pylon or fire extinguishing dent, heat isolation layer and general steel pylon. its quality in fire extinguishments, electricity, and metal framework has over - passed the relevant standards of usa and japan etc
防火橋架是我公司為滿足消防要求，在眾多設計單位支持下，研製成功的耐火鋼制橋架，具體結構有阻燃板加普通鋼制橋架和防火槽盒加隔熱層加普通鋼制橋架兩種，其耐火性能電氣性能金屬結構性能已超過美國日本等國的有關標準。The static analysis of the long span plate - truss composite cable - stayed bridges. first, the cr formation on the geometric non - linear structural analysis is introduced. next, the structural discretization of cable - stayed bridge, the stiffness matrix the formation of nodal force and the simulated construction system are introduced
首先介紹了本文採用的桿系結構幾何非線性問題的分析方法? cr列式法，其次介紹了板桁結合斜拉橋的結構離散及桿單元、梁單元的剛度矩陣以及節點力的形成方法，然後介紹了斜拉橋施工模擬體系的形成。Because traffic flow greatly increases in recent years and the rank of actual driving load enhances, causing this bridge to be at the excess load the service condition, so in order to guarantee the bridge ' s transport security, the main body structure of the bridge should be reinforced
摘要長沙市八一路跨線橋由於近年來交通流量大增，實際行車荷載等級提高，使得該橋處于超負荷的營運狀態，為了保證大橋營運安全，需要對此橋的主體結構進行加固，在選擇加固方案時對比了三種加固方法：鋼混凝土組合結構加固方法、混凝土結構擴大截面加固方法、粘鋼加固方法。3 ) the influences on the internal forces by some variable parameters such as the ratio of the rise to span and the stiffness ratio are compared. the optimal range of these parameters is pointed out and some advances are also given
研究探討了矢跨比、拱梁剛度比等參數對預應力混凝土連續梁拱組合體系橋梁結構內力的影響，並得出合理的取值范圍，為設計人員選取結構參數提供參考。During the circuit design, the author analyzed the basic principle of the direct current motor, pwm control, h - bridge power driver, and two control techniques of h - bridge power drive circuit, designed its general structure, so the feasibility of the design is confirmed. then, reference, oscillator, power dmos gate drive circuit ( charge pump, bootstrap ), and dead time generation circuit are designed and analyzed in the sub - circuits. a current - controlled oscillator is presented in this thesis
在電路設計中，作者介紹了直流電機的工作原理和數學模型、脈寬調制（ pwm ）控制原理、 h橋電路基本原理和h橋功率驅動電路的兩種控制模式，設計了驅動電路的總體結構，給出了電路的功能模塊，確定了設計的可行性，然後在子電路模塊中，重點分析設計了基準源電路、振蕩器電路、高端功率管柵驅動電路（電荷泵及自舉電路） 、低端功率管柵驅動電路和死區時間產生電路。First, after the overall structure of the differential balance mechanism is determined considering the given requirement, the concrete structure of the mechanism is designed with the reference of the design method of the differential which is widely used in autos. the differential gearing system is optimized and more appropriate parameters are got with which the functional requirements can be satisfied and the weight of the mechanism can also be reduced. the surface type structure is adopted on the rocker shift, so the mechanical performance of the differential gearing system and the rocker shifts may be improved
本文根據整車的性能要求確定了差動平衡機構的總體結構形式，以汽車驅動橋差速器及半軸的設計方法為參考，對差動平衡機構的原理樣機進行了完整的結構設計;對核心的差動輪系部分進行了優化，得出了既能滿足功能要求又可以有效減小機構質量的較合理的參數;在搖臂軸中使用了類似汽車驅動橋半軸的浮式結構，使搖臂軸所受彎矩大大降低，從而改善搖臂軸和差動輪系的力學性能。Crystal structure of trinuclear cobalt carbonyl sulfur clusters with a bridging thiocarboxamido group
含橋基異丙基硫代甲酰胺基團配位的三核鈷羰基硫簇合物的晶體結構The application of ansys in bridge structural analysis
非線性有限元軟體在橋梁結構分析中的應用The bridge researched in this paper has same length and width as jiangyin bridge
這種新的橋梁結構體系把這二者的優勢充分結合起來。The concrete expression of the unit tangent line stiffness matrix is given
討論了橋梁結構分析中常用單元切線剛度矩陣的具體表達形式。In these thesis, on the basis of existing data collected of arch bridges and dynamics, simply introduce the development and application of the analytical method and finite element numerical analysis method of arch bridges. taking the example of pubugou cfst arch bridge, establish 3 - d finite element model of it with software ansys, and analyze its natural vibration. the effects on inherent vibration of the differences of structure parameters, the restriction of the deck and the effects of different arrangements of cross braces are analyzed
本文在收集有關拱橋及動力學資料的基礎上，分析了拱橋動力學的解析分析法和有限元數值分析方法的優缺點，同時以瀑布溝大橋為背景，使用ansys軟體建立了空間有限元模型，實施了橋跨結構的自振特性分析；並分析了考慮到模型簡化過程中部分結構參數取值差異、橋面板的約束狀況不同等因數對自振特性結果的影響；此外還對橋面上的橫撐布置不同導致對自振特性的影響作了分析。The contents include : based on the previous research and the data of experimentations, the author researches and develops a kind of satisfactory semi - empirical formula of nonlinear temperature distribution, and calculates the temperature stress of rigid - framed arch bridge by the fem. the temperature effects of bridge structure by annual and sunlight temperature difference are discussed, it indicates that the temperature effect of annual temperature difference is small but the temperature effect of sunlight temperature difference is great and the temperature stress along beam depth resulted from sunlight temperature difference is nonlinear. with the comparison between the temperature effects of different position of bridge, the results show that where the section of bridge is small, the temperature stress of it is large
本文主要包括以下內容：從理論上研究並結合實測資料發展了一種比較理想的半經驗溫度場非線性分佈公式，並將有限元方法應用於剛架拱橋結構溫度應力的計算中，對橋梁結構進行整體溫度應力分析；討論了年溫差和日照溫差引起的橋梁結構的溫度效應，表明年溫差引起的溫度效應較小，而日照溫差引起的溫度應力較大且沿梁高呈非線性分佈；分析比較了橋梁結構各個部位的溫度效應的大小，可知截面越小溫度拉應力越大，受力越不利；並對箱梁結構由於構造不同引起的縱向與橫向的溫度效應大小進行了探討，發現在頂板下緣也會出現相當大的溫度拉應力，並且梗腋的存在反而增加了頂板底部的溫度拉應力；還對幾種相近的剛構式橋型的溫度效應進行了分析對比，總結了這些橋型針對溫度效應的優劣，並提出相應的針對性措施。And in combination with cable replacement engineering of sichuan qianwei bridge, based on the bridge elevation and cable forces measured before cable replacement started, using finite element software bsas developed by southwest jiaotong university build analysis modeling, by means of cable forces adjustment and so on to make the cable forces of modeling approach the cable forces measured before cable replacement started, according to the scheme of primary design, aimed at cable replacement process, simulation analysis is done and get the calculated results
然後以四川犍為岷江大橋換索工程為背景，以換索前實測的索力和線形為換索設計基準，應用西南交通大學開發的橋梁結構分析軟體bsas建立換索分析模型，通過調索等技術手段使模型索力與換索前實測索力逼近，以此為換索的出發點，按原換索設計的方案與工序，對換索進行全過程分析，得到換索完工後的計算索力和線形。分享友人