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(湖南文理學(xué)院土木建筑工程學(xué)院，常德 415000)

［摘要］利用接觸面層間縱向伸長(zhǎng)相等的條件，建立了鋼-混凝土組合梁在外荷載作用下彎曲變形時(shí)的內(nèi)力平衡方程，推導(dǎo)出了鋼-混凝土組合梁的層間剪力計(jì)算公式，并將計(jì)算結(jié)果與我國(guó)現(xiàn)行《鋼結(jié)構(gòu)設(shè)計(jì)規(guī)范》的計(jì)算結(jié)果進(jìn)行了對(duì)比分析，結(jié)果表明文中計(jì)算方法具有更高的計(jì)算精確度，更符合工程實(shí)際。

［關(guān)鍵詞］鋼-混凝土組合梁；剪力；計(jì)算

Shear calculation of steel-concrete composite beams

Sun Jin, Wu Xiao, Yang Lijun(Department of Civil and Architectural Engineering, Hunan University of Arts and Science, Changde 415000, China)

Abstract:The equation of internal force equilibrium was established for steel-concrete composite beams when they occurred bending deformation under the external loads by using the condition of the equality of interlayer vertical extension on the contact surface. The calculation formula for interlayer shear of steel-concrete composite beams was derived.Comparative analysis of the suggested method and the method from Code GB50017—2003 indicates that the suggested method has a higher calculation accuracy and it is more suitable for practical engineering.

Keywords:steel-concrete composite beam; shear; calculation

作者簡(jiǎn)介：孫晉，講師，Email:wolfsj3000@hotmail.com。

參考文獻(xiàn)

［1］聶建國(guó)，余志武.