簡支跨 的英文怎麼說
中文拼音 [jiǎnzhīkuà]
簡支跨
英文
simple span-
Those of multi - span, middle - length ( about 25 - 40 metres ) are of large percentage among advanced bridges. simply - supported girder bridges with continuous decks are inferior to those of continuous girders because their decks crack easily. owing to the complex construction of continuous girder bridges, which is laboursome and time - consuming, people have been thinking about an approach to combining the advantages of the two so as to speed up the building and reduce the work procedures
在高等級公路橋梁中，多孔中等跨徑（跨徑在25 40米左右）的橋梁占很大的比重，橋面連續的簡支梁結構體系由於存在橋面容易開裂等缺點而在與連續梁結構體系的競爭中常常處于下風。Abstract : the system, in the span - by - span construction of brid ge, willexperience three kinds of shifts from the state of simple beam to the continuous state, from overhanging beam to the continuous beam and from few - spans continuous beam to required degree span by span. meanwhile, structural calculatin g graphics and the internal force are changing with the three shifts
文摘:在橋梁工程逐孔施工過程中，體系將發生由簡支梁狀態到連續梁狀態，由懸臂梁到連續梁，由少跨連續梁逐孔延伸到所要求的體系三種轉換，同時結構計算圖式和內力也發生變化。The structure of simply supported - continuous system is now common used in small span bridges and bridge approach of large span
簡支轉預應力連續的施工方法是中、小跨徑橋梁和大跨度橋梁的引橋中普遍採用的結構型式。A calculation example is presented, and the maxi mum dynamic deflection of the beam bridge under the conditions of different speeds, different weights and different lengths of a vehicle is calculated
分別分析了一輛汽車以不同車速、不同車重及通過不同跨徑橋梁時的情況，並給出了相應情況下的簡支梁橋跨中動位移的變化曲線。It shows that the method suggested in the paper is simple, applicable for engineering and has good precision. on the bases of the formulas deduced, and combining with relative test datas, it studies in the paper several factors influencing the bearing performance of the simple beams, such as shape of the external tendons, the equal moment segment length, span - to - depth ratio of the beam, valid initial prestress of the external tendons, area of the internal tension reinforcement, strength of the concrete, vertical distance between
在公式推導的基礎上，結合相關試驗資料，研究了體外筋的形狀、等彎矩區長度、梁跨高比、有效張拉預應力、體內受拉筋配筋率、混凝土強度、錨固點到樑上邊緣在垂直方向上的距離、體外預應力筋水平段長度（雙折線型體外筋的情況）以及荷載類型等對體外預應力混凝土簡支梁受力性能的影響。The shiyang river bridge in yunnan is a simply - supported reinforced concrete girder bridge with six spans and two traffic lanes
摘要石羊江橋是一座6跨、簡支鋼筋混凝土梁橋，雙車道。Four - way simply support common and long span composite slabs were also studied by the author with the finite elements method, and a calculation method was proposed
分析了組合板的破壞方式；採用有限元分析方法研究了四邊簡支普通跨度和大跨度的型鋼和壓型鋼板與混凝土組合板的抗彎承載力，提出承載力計算方法。As for the simply - supported slabs, the influence of the specimen fire proof properties is tested under the different concrete intensified degrees, under the different thickness of cover and under the different concrete quota. as far as the three - span continuous slabs are concerned, a series of analysis are conducted, including the specimen internal force redistribution under the different fire condition, the specimen deformation properties, features of the specimen destroying mechanism and the fire proof capability under the various condition
對簡支板，考察了不同混凝土強度等級、不同的鋼筋保護層厚度、不同配筋率等對構件抗火性能的影響；對三跨連續板，考察了不同受火工況下構件的內力重分佈變化情況、構件的變形性能以及構件破壞機構的特點；分析了各工況下構件的抗火性能的差異。This dissertation generalizes the test on the full - scale reinforced concrete simply - supported slabs and three - span continuous slabs under fire at the normal loading condition. the conclusion can be drawn from the test about the deformation of the both kinds of slabs and the specimen section temperature distribution. meanwhile, the failure modes, mechanism and internal force redistribution of the continuous slabs are analyzed
本文對足尺鋼筋混凝土簡支板、三跨連續板進行了恆載下的受火試驗研究，通過試驗，給出了鋼筋混凝土簡支板和連續板在高溫下的變形、構件截面溫度分佈規律；分析了連續板的內力重分佈和破壞機構的特點。The effective width is not constant along the span of girder, and different point of interest in the span should be selected according to the different structure. for simply supported - span, mid span is selected as the point of interest
對于不同的結構體系應選不同的控制截面，根據結構體系的受力特點對簡支梁來說取跨中為控制截面，對連續梁來說取跨中和中間支座為控制截面，而跨中應將邊跨和中跨分開。The energy due to the beam ' s falling is overwhelming. this impact will do great harm to the sub structure. the beam ' s falling, mainly because the displacement of the pier ' s top supporting the beam makes the span become greater, or the pier ' s displacement brings the beam change its position, which makes it come away from the pier ' s top
對于簡支梁橋，當地震作用發生時，落梁是一種主要的破壞形式，落梁的能量具有壓倒性優勢，沖擊會給下部結構帶來極大的影響，而墜落的原因，多數由於支承梁的兩橋墩的墩頂位移而使跨度變大，或是因為橋臺位移帶動梁使梁錯位，造成梁在墩頂處脫開。In light of the simulative research results, three methods are applied to analyze some controversial problems in this kind of structural system ( such as the concrete pouring sequence of continuous ends, the applying sequence of pretensioned force, the removal of the temporary supports, the concrete pouring style of continuous ends, the optimization of constructional reinforcement and prestressed reinforcement ). some important conclusions are drawn : the concrete pouring sequence of continuous ends should be in accordance with the principle of " interval end " ; the removal of temporary supports is also on this principle ( opposite to traditional opinions ). at the same time, other problems such as the shrinkage and creep effects of concrete, the c racking and failure pattern, the optimization of reinforced bars and prestressed bars are also analyzed in detail
在此基礎上，對于目前先簡支后連續結構體系中存在的一些有爭議的問題（如后連續端部澆築和后連續預應力張拉的順序、體系轉換中的臨時支座拆除順序、后連續端部澆築方式、后連續端部的預應力筋及普通鋼筋的優化等） ，我們分別運用三種方法進行了細致的模擬分析、研究，並得出了一些具有重要工程意義的結論：后連續端部的澆築順序和后連續預應力張拉的「隔跨」原則，臨時支座拆除的「隔跨」原則（此前人們一直認為「對稱澆注和對稱張拉」是最為合理的施工工序） ，混凝土的收縮、徐變對先簡支后連續結構體系的影響一般較小等。Simply supported span
簡支跨度Buckling analysis of a long span fast launching simple supported bridge
大跨度快速拼裝式簡支梁橋整體穩定分析In order to ascertain the real stress and deflection of structure this paper puts forward experimental scheme. by measuring data during the process of construction, we can know the distribution of stress in simply supported - continuous beam and compare with initial design, then we can adjust it by control method to ensure quality of the bridge
提出具體的試驗方案，論述了測試元件的測試原理，通過測量各控制點在不同階段的應變和撓度，確定橋梁結構的實際應力大小和變形狀態，了解簡支轉預應力連續結構各跨主梁與連續處的應力分佈情況，並與設計相互驗證，通過施工控制使結構符合設計要求，保證施工質量。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。Abstract : based on the systematic analysis of the shear behavior for r. c. beams, the tests of 11 simple supported beams under the top concentrated loads and the uniform loads are supplemented. the prime variable is shear span ratio, span depth ratio, horizontal web reinforcement ratio and vertical web reinforcement ratio. according to the test results, the working behavior, the prime shear failure modes, the effect of concrete and web reinforcement ( horizontal web reinforcement and vertical web reinforcement ) and other aspects of r. c. beams are analysed. the uniform calculation method for shear capacity of deep beams, short beams and shallow beams for practical is presented
文摘:在對國內外鋼筋混凝土梁的受剪性能進行較系統分析的基礎上，補充了11根鋼筋混凝土簡支短梁在頂部集中荷載和均布荷載作用下的試驗，試驗梁的主要變化參數為剪跨比、跨高比、水平腹筋率和垂直腹筋率.根據試驗結果，對試驗梁的工作性能、主要的剪切破壞形態、混凝土項的抗剪作用、抗剪腹筋（包括水平腹筋、垂直腹筋）的作用等進行了較為深入的分析，提出了可適用鋼筋混凝土深梁、短梁和淺梁相互協調的受剪承載力的統一計算方法A simplified formula for the shear capacity of rc simply supported beam which strengthened with the cmmr is proposed in this paper. 3 、 the shear capacity of rc beam strengthened with cmmr is studied. though the test of fourteen simply supported reinforced concrete beams and five overhanging reinforced concrete beams with cmmr, it analyses the effects of shear - span ratio, web reinforcement ratio of cmmr, style of loading, preloading on strengthening, and compares them with rc beams using ordinary stirrup
3 、根據本文進行了的14根混凝土簡支梁和5根混凝土伸臂梁的水泥復合砂漿鋼筋網抗剪加固試驗，分析了剪跨比、鋼筋網配筋率、加固形式以及持荷狀態等因數對整個構件極限抗剪承載力的影響，並與混凝土梁進行了比較。Especially the bridge engineering has to be concerned with high, new and difficult technologies. new technologies firstly adopted are post - tensioned prestressed concrete simply - supported box girder, assembly two - way prestressed concrete simply - supported t - girder, reinforced concrete continuous rigid frame, and steel - concrete composite continuous girder. all these have formed a series of new bridge structures taking prestressed concrete simply - supported box girder as main feature
由於秦沈客運專線的特殊技術要求，在鐵路建設史上首次採用了后張法預應力混凝土箱形簡支梁、裝配式雙向預應力混凝土t形簡支梁、鋼筋混凝土剛構連續梁、鋼與混凝土結合連續梁等橋跨結構，形成了以預應力簡支箱梁橋跨結構為主要特徵的一系列橋梁新結構。Based on the conception that the simple beam rotates rigidly around the plastic hinge in the middle when the beam is at the ultimate state of anti - bending capacity, the formula for calculating the stress in the external tendons and the ultimate anti - bending capacity of the beam were developed
摘要在承載能力極限狀態下，可把簡支梁的跨中區段視為1個等曲率塑性鉸（塑性區段） ，其餘梁段可視為直線並處于繞塑性鉸剛性轉動的位置。分享友人