桁拱 的英文怎麼說
中文拼音 [hénggǒng]
桁拱
英文
braced arch-
In this paper, a new amendatory shear mechanism of beams and columns based on the " truss + arch " mechanical model is put forward
在本文中修正的提出了建立在桁架+拱力學模型基礎上的抗剪理論。Because it is simple to make manufacture slab with slightly curved bottom, and is economical to use steel, and is relatively great in aspect of load bearing potential capacity, the slab often has been used as braced arch and rigid - frame arch bridges " deck slab in 1970s and 1980s
由於微彎板具有製作簡單、用鋼量省、承載潛力較大的優點,因而上世紀七、八十年代,在剛架拱橋、桁架拱橋中常用作橋面板。Method and technique of segmental prefabrication, transfer gantry hoisting, splicing on arch timbering in construction of xinyang shihe river bridge are introduced
介紹信陽獅河大橋採用節段預制,龍門桁車提運,拱架上拼裝等施工方法和施工工藝。On the mrp, the truss arch aqueduct is comprehensively researched in this paper, including its structural characteristic, structural calculation and reliability analysis
本文結合南水北調中線工程,對下承式空腹桁架拱排水渡槽的特點、結構計算以及結構的可靠性進行了較全面研究。The prestressed drainage aqueduct of through open - web truss arch structure is widely applied to cross the main canal of the mrp. it is important and significative to study the aqueduct ' s structure design and reliability thoroughly
預應力下承式空腹桁架拱渡槽在總乾渠排水建築物中被廣泛採用,其結構設計和安全可靠性是一個非常重要且值得深入研究的問題。It is a top load bridge with a clear span of 288m, which is maximum one of the same structural system in asia. the main arch rib uses 8 steel tube of 920mm joined by web members and transverse truss to form a space truss. the soldier piles on the arch are made of bent frame to make the shape both artistic and novel
梅溪河大橋為一凈跨達288米的上承式鋼管混凝土拱橋,是目前亞洲同類橋型中跨度最大的橋梁,其主拱肋採用8根920mm的鋼管,通過腹桿及平聯形成鋼管混凝土空間桁架,拱上立柱亦採用鋼管混凝土排架,造型新穎美觀。Similarities in natural vibration of stiff cable structures and truss arch structures
桁架拱結構固有振動的相似性Secondly the author ' s study are introduced in this paper. the author study mainly the linear static and dynamic, elastic - plastic static and dynamic problems of cfst arc - bridge. firstly, the author establish the linear static equation on the based of the rigid equation of element by qr - method, and then analysis the inner force of arc bridge, establish the linear dynamic equation and elastic - plastic rigid equation and dynamic equation, then solve respectively the elastic - plastic rigid and dynamic equation by the method of repeated increment and no limit stabilization, arithmetic
本文主要研究大跨度鋼管混凝土桁架拱線性靜力問題和線性動力問題以及彈塑性靜力問題和彈塑性動力問題,先利用qr法按照梁單元的剛度方程建立桁架拱的線性靜力方程,進行桁架拱內力分析,建立桁架拱線性動力方程、彈塑性剛度方程及彈塑性動力方程,然後利用增量迭代法及樣條無條件穩定演算法分別求解彈塑性剛度方程及動力方程。The truss arch structure is a three - dimensional higher statically indeterminate structure, and no definite expression of the performance function can be given for its unbelievable complexity
桁架拱結構是一個高次超靜定的復雜三維結構,構件的功能函數沒有明確表達式。Based on the study for the methods of structural reliability analysis, including monte carlo method, response surface method and stochastic finite element method, response surface method ( rsm ) is selected. based on the random analysis of aqueduct ' s frequent actions and resistances, by rsm method together with the fem method and form method, the reliabilities of its primary poles can be analyzed and the reliability of the structure be reached
利用此方法,在對渡槽常遇荷載的不確定性分析和抗力不確定性分析的基礎上,結合結構分析的確定性有限元法( fem )及可靠度計算的一次二階矩法( form ) ,對桁架拱結構主要受力狀態構件進行了可靠度分析,從而對結構的可靠性進行了評價。The comparative analysis is made firstly, which shows that the truss arch aqueduct can be built on the weak foundation and is also satisfied with the demand for large span length and the great discharge ability, so the type of aqueduct is a better for the project. then the finite element program ( super sap93 ) is applied to the structural analysis of the space structure
首先通過對常用渡槽結構型式的對比分析,闡明該渡槽是一種可在軟弱地基上修建的、能滿足大跨度、大流量要求、適用於南水北調中線工程的排水建築物,然後運用有限元分析程序supersap93對桁架拱空間結構進行了受力分析。The cable - supported concrete - filled steel tube arch bridge is a new bridge type developed on the basis of the truss type hybrid arch bridge by combining various techniques and making full advantages of the concrete - filled steel tube arch bridge, truss arch bridge and cable - stayed bridge
摘要鋼管混凝土拉索拱橋是在「桁式組合拱橋」的基礎上將鋼管混凝土拱橋、桁架拱橋、斜拉橋的技術特點綜合起來,揚長避短,而構思出的一種新橋型。To investigate the practical stability performance of this bridge, a model test is carried out. the test model actually simulates nan pu bridge based on similarity criterion. the model test reveals that the stability factors is more than 2. 0, so the stability and strength of this bridge have been verified to be met with
該模型試驗首創了「桿對桿」剛度等效法,應用於鋼管混凝土桁架拱橋的模型設計和製作中,其研究成果對南浦大橋實橋的施工以及竣工后的運行有重要的應用價值,並對今後鋼管混凝土桁式拱橋的試驗研究、設計、施工具有重要的指導意義。It is found in the comparison of the structure with only the concrete arch and steel truss arch, the structure of the steel and concrete composite truss arch has certain advantages in aspects of its structural performance, economy and the structure is a one that deserves research in a further way
最後以克羅埃西亞新建的克爾卡橋為原型,提出了鋼混凝土組合桁式拱新型結構,在與混凝土拱和鋼桁拱的比較中可以發現,鋼混凝土組合桁式拱在結構性能、經濟性能上具有一定的優越性,值得進一步的研究。In order to study the practical stability performance of chunan nanpu bridge, a total bridge model test was carried through. the design method of " spar to spar " modeling method was firstly introduced in this test. the test results are significant for construction and management of chunan nanpu bridge ; excessively, the test results are significant for design and construction of large span cfst arch bridge also
該模型試驗首創了「桿對桿」剛度等效法,應用於鋼管混凝土桁架拱橋的模型設計和製作中,其研究成果對南浦大橋實橋的施工以及竣工后的運行有重要的應用價值,並對今後鋼管混凝土桁式拱橋的試驗研究(特別是模型製作) 、設計、施工具有重要的指導意義。And the basal laws of these changes are also summed up in the paper. in the paper, rectangle concrete cross section with steel band to replace approximatively the mutil - limb steel tubular truss section is brought up to calculate and check calculation in the cfst arch bridge. the method has been verified partially by the procedure algor93 and can be applied in actual engineering
本文提出在鋼管混凝土拱橋的內力計算及設計驗算時,可用帶有鋼帶的矩形混凝土截面近似代替多肢桁式鋼管混凝土拱截面,並通過algor93程序進行計算分析,在部分方面驗證了這種近似替代的可行性,為實際工程設計中計算多肢桁式鋼管混凝土拱橋提供了一種可行的計算模式。Thea, aimed at different situation and with the combination of the compatibility truss theory and limited balance principle and the truss - strut model, the shear strengthening theoretic formula for the beams under concentrated load is put forward. ground on the test data and real engineering, the simple design formula is afforded
然後,作者以桁架一拱模型和軟化桁架理論為基礎,綜合極限平衡原理,考慮了拉應變存在條件下混凝土抗壓強度的軟化,針對不同加固情況推導了集中荷載作用下的矩形截面約束梁的抗剪加固理論公式。The cfst x - type arches improve the lateral stability by sloping the arc ribs, so it is ofen used in the designs of cfst arch bridge with small ratio of the width to the span. tongwamen bridge is a half - through cfst arch bridge, its span is 238m, and the width of its roadway is 10m, so the truss ribs in - plane is sloped into x - shapc to improve its lateral stability. as the cfst x - type arches with longest span all over the country presently, the design of tongwamen bridge can be used for reference of adopting cfst x - type arches in the design of arch bridges with small ratio of the width to the span
鋼管混凝土x型肋拱橋是一種利用拱肋側傾來提高其橫向整體穩定性的橋型,在寬跨比較小的鋼管混凝土拱橋設計中應用較多。浙江銅瓦門大橋是一座中承式鋼管混凝土無鉸拱橋,跨徑238m ,橋寬10m ,拱肋為平面桁架形式,所以採用了x型拱肋以提高其橫向穩定性。作為國內目前跨徑最大的鋼管混凝土提籃拱橋,該橋的建成對我國今後長大跨徑小寬跨比鋼管混凝土拱橋採用提籃拱具有借鑒意義。Wan zhou yangtze river bridge is the establishing large span steel truss bridge now, and the property of it is the lower stiffness of the main girder. when the speed is high, the analyses and the vibration control of vehicles and bridge are very important, especially the dynamic lateral response of the system
萬州長江大橋是目前在建的大跨度鋼桁架拱橋,其特點是主梁結構剛度較小,在高速行車速度下,對起車橋耦合振動分析及其控制尤其是車橋系統橫向動力響應研究則尤為重要。Design of rigid frame arch bridge and truss arch bridge and analysis of characteristics of the weight - bearing
剛架拱橋及桁架拱橋的設計與受力特徵分析分享友人