箱形截面 的英文怎麼說
中文拼音 [xiāngxíngjiémiàn]
箱形截面
英文
box section-
The work in this thesis mainly includes following parts : 1. as for box girder cross section, the three - bar stimulation method under typical loads and supports has been introduced. the force and stress formulae for flanges have been derived from the three - bar method. by reasonable simplification for multi - cell box girder, the three - bar method has been applied in multi - cell box girder ' s shear lag analysis
對于箱形截面主梁，本文介紹了三桿比擬法上、下翼板中比擬桿的計算公式，以及在典型荷載和支承的情況下翼板內各桿的應力計算公式，並對多箱式主梁截面進行合理簡化，使三桿比擬法應用於多室箱梁的剪力滯分析。New architecture is provided for the strutural form of single rib trunk section bowstring arch bridge with major span and lower strutural high, nd i organized the first such type of design project
提出了適用於較大跨度、較低結構高度的單肋箱形截面系桿拱的結構形式，並已組織完成了首項設計。Standard specification for external sealing bands for concrete pipe, manholes, and precast box sections
混凝土管人孔和預制箱形截面用外部密封帶的標準規范Standard specification for external sealing bands for concrete pipe, manholes, and precast box sections metric
混凝土管人孔和預制箱形截面用外部密封帶的標準規范Welded sturdy box construction, using heavy - gauge steel plates for ruggedness. d - section frame for resistance to deformation
箱式結構全焊接平臺，採用高強度結構鋼板，適應惡劣工況的工作需要。 d型截面的平行圍邊減小了變形。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。As is well known, the effective width depends on several factors, such as the cross - section width, the height of web, the spacing of span and so on. we can conclude that width / span ratio ( overhang width / span and central width / span ) is the governing factor of the effective width
影響箱形截面樑上翼緣有效寬度的因素很多，如上翼緣寬度、梁高、跨度以及結構體系等，通過大量計算表明寬跨比[翼緣部分寬度、箱室部分寬度與跨度的比值]是有效寬度的控制影響因素。The elastic stability of rods with pressure upon axis and multi - elastic - support
箱形截面壓彎構件的平面外穩定計算Abstract : this paper briefly introduces the method of the hot correction for large size box beam including the principle and procedure of the correction, the selection of the allocated weight and the drawing method of the burning triangle, etc
文摘:本文簡要介紹了大尺寸箱形截面梁熱校正的方法，包括校正原則及步驟，配重物重量的選擇，烘烤三角形的畫法。In recent years, developing completely along with high grade highway and stereoscopic transportation in cities, bridge development has entered the unprecedented high tide period. among them the box girder occupies important position in developments of the long - span pc beam bridge with its good section - form
公路及城市立體交通的全面發展，橋梁建設進入了前所未有的高潮時期，其中箱型梁以其優良的截面形式在大跨度pc梁橋建設中佔有極重要的地位。Second, change the diaphragm ’ s space between, retain the other thing, analyze the influence of the stress and deformation of box ? girder cross section and the beam web. based on the analysis upwards, the writer studied the rule of the influence of the stress and deformation box ? girder cross section and the beam web with different diaphragm ’ s space between. according to the results of finite element analysis, the writer puts forward some suggestions which will provide some reference for the following design
本文利用ansys有限元分析程序，對指定斷面，不同曲率的曲箱梁，建立完備的有限元模型，分別對二個方面的問題進行了分析:其一，通過對箱梁在有無跨中橫隔板時截面頂板及腹板的變形和應力分佈的對比分析，闡述了設置跨中橫隔板的重要性;其二，在相同工況下，通過改變橫隔板的設置間距，分析對箱梁翼緣及腹板的受力影響。The effect of different sizes of sections, modes and values of residual stresses are studied. through the analysis, the conclusion is arrived at that the universal slenderness ratio should be used to better correlate the stability of box section beams with the member length instead of the out - of - plane slenderness, and the stability coefficient is taken to be 1. 0 for practical used box girder. then, the elastic critical loads of box section beam - columns are obtained based on the gjelsvik theory, and the relationship between axis force p and moment m is given
最後，運用ansys通用有限元程序的beam189單元，引入初彎曲和殘余應力的影響，用考慮幾何和材料雙重非線性的有限元求解格式求得箱形柱在不同軸力和彎矩比例作用下的彈塑性極限承載力，通過對十幾個不同截面尺寸構件在不同長細比下的承載力計算，發現在軸力p遠大於彎矩m時，構件將是平面外失穩控制，而當軸力p遠小於彎矩m時，構件則以平面內失穩為主。In recent years, during the detection of the established reinforced concrete or the prestressed concrete box girder bridges etc. the large structures, we can find that the concrete in particular structural positions such as the anchorage zones of prestressed reinforcement with dense reinforcement, the prestressed pipe in which the space of reinforcement or the thickness of concrete cover is small, the top and bottom flange of box girder and so on has brought great difficulty to concrete construction because of the small size and densely - packed reinforcement
對于變截面t梁、工字梁、箱梁等常見結構，截面形式復雜，一些部位尺寸較小且密集配筋，如梁頂板，梁底板，預應力管道間，混凝土不可避免的造成不密實導致耐久性降低，而這些問題往往為設計者所忽略。對于新建橋梁混凝土的密實度問題，尤其是新建橋梁關鍵部位的混凝土密實度和耐久性問題，人們研究和關心的較少，這也為橋梁的質量監督控制和使用壽命埋下了隱患。Heavy steel plate and large section of box construction with reliable construction strength
箱形結構由於是厚鋼板構成，截面積大，具有可靠的結構強度。The bridge with box section possesses a better construction characteristics such as higher torsional rigidity and the better force property. 6. the accumulation of the measured impact coefficient can promote the adoption of the design impact coefficient, which is the basis of the safe run and test of the bridge
武漢理工大學碩卜學位論文5 、箱形截面梁具有良好的結構性能，抗扭剛度大、受力性能合理，預應力連續箱梁橋結合了預應力連續梁橋和箱形梁的優點，較好地發揮了材料和結構性能的優勢。There are many cross - section forms such as t cross - section, i cross - section, slab cross - section, box cross - section etc. for common span of bridges. slab and box cross - section beam ' s resistance to torsion is stronger than t and i cross - section beam ' s. but deadweight of slab and box cross - section beam is bigger than it of t and i cross - section beam
現有常用跨徑橋梁的截面形式多為以下幾種： t形梁、 i形梁、板式截面和箱形截面等，板式截面和箱形截面與t形梁和i形梁這些開口截面相比其抗扭能力更強；但板式截面的自重要比t形梁的自重大得多。Finally according to the load - capacity superposition concept, a simplified design equation for determination of the load capacity of circular composite columns with h - shaped and box - shaped structural steel is proposed. through comparison with the accurate computer - based method, it is found that the proposed simplified equation is accurate enough and can meet the requirement of practical applications
同時基於承載力疊加的概念，提出了配置工字型和箱型結構鋼的圓形截面組合柱在單向和雙向偏壓荷載下的承載力簡化計算公式，通過與精確的計算機數值迭代方法的比較發現，當荷載偏心較小時該簡化計算公式具有足夠的準確度，能夠滿足工程應用的要求。In the design of steel box - girder bridge, the shear lag effect of box - girder with wide flange and small span is outstanding
在鋼結構箱形截面梁橋設計中，寬翼緣小跨徑梁在受力過程中存在的剪力滯後效應是一個不容忽視的問題。With the better torsion performance of box section beams and beam - columns than members with open cross - section and the progress of the manufacturing technology of box section members, the box section members find wider and wider application, especially in high rise buildings
箱形截面梁與樑柱由於較其它形式的截面具有較好的兩個主軸方向抗彎剛度和抗扭剛度，隨著鋼結構的不斷發展，箱形構件製作工藝的完善和日趨成熟，箱形截面構件的應用越來越廣，尤其是在多高層建築中。Evaluation on minimum amount of reinforcing steel in bent component of reinforced concrete box girder
鋼筋混凝土箱形截面受彎構件最小配筋量的計算分享友人