常見例句Its steel superstructure, only 3.50 meters thick, consists mainly of a comparatively flat stiffened box section beam. 橋的上部結(jié)構(gòu)為鋼材;厚度僅為3.;50米;主要由相對扁平的箱型截面梁組成。Sloping twin-spar frame in thin wall box section cast aluminium, with reinforcement cross-ribbing. 坡雙梁框架薄壁箱節(jié)鑄鋁,以加強跨羅紋。Jointless design method is used for an overlong transfer structure.The box section transfer beams are chosen,and the technique of prestressed concrete with bond is used. 對某超長轉(zhuǎn)換結(jié)構(gòu)進行了無縫設(shè)計,采取了箱形梁轉(zhuǎn)換形式,框支轉(zhuǎn)換梁采用了有粘結(jié)預(yù)應(yīng)力技術(shù)。The incremental method was then applied to linearize the equations and thus the stress state and deformation of box section were determined under a given load. 在此基礎(chǔ)上采用增量法將非線性方程組線性化,從而確定給定荷載下矩形管的受力狀態(tài)及變形。Box section has the special features both its mass center and moment center unification as double symmetry cold-formed section and its outstanding advantage in moment and torsion rigidity. 摘要冷彎薄壁雙軸對稱箱形截面具有形心、彎心重合的特點,與單軸對稱開口截面相比具有抗彎、扭剛度大的優(yōu)點。In this paper, a dual-beam stick finite element model is presented to analyze the dynamic characteristics and seismic responses of a curved girder with a box section in the highway interchanges. 摘要提出了1種雙脊骨空間有限元模型,用來模擬和分析立交橋曲線箱梁的固有振動特性和動力反應(yīng)。 返回 box-section