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（西安建筑科技大學(xué)土木工程學(xué)院，西安 710055）

［摘要］隨著功能的需要，挑梁的懸挑長(zhǎng)度和上部荷載都有著不同程度的增大。為了防止與挑梁下界面接觸的砌體局部受壓承載力不足，在挑梁下加設(shè)剛性墊塊是工程措施之一。利用ANSYS軟件對(duì)砌體結(jié)構(gòu)挑梁下有、無(wú)剛性墊塊兩種情況進(jìn)行了有限元分析，根據(jù)數(shù)值分析結(jié)果，對(duì)挑梁下加設(shè)剛性墊塊的砌體局部受壓計(jì)算提出了建議。

［關(guān)鍵詞］挑梁； 局部受壓； 剛性墊塊； 有限元分析

Local compressive bearing capacity of masonry structure with rigid cushion block under cantilever beam

Liu Deliang, Liang Xingwen, Wang Qinglin

(College of Civil Engineering, Xi’an University of Architecture & Technology, Xi’an 710055, China)

Abstract:With the growing need for new application, the length of cantilever beam and the upper load have been increased to varying degrees. In order to prevent the masonry under the cantilever beam from being inadequate of local compressive bearing capacity, setting a rigid cushion block under the cantilever beam is one of the engineering measures. Finite element method was used to analyze the differences between the masonry structure with and without the rigid cushion block under the cantilever beam. According to the results of numerical analysis, recommendations were given for the calculation of the local compressive bearing capacity of masonry structure with the rigid cushion block under the cantilever beam.

Keywords:cantilever beam; local compression; rigid cushion block; finite element analysis

*砌體結(jié)構(gòu)設(shè)計(jì)規(guī)范修訂項(xiàng)目。

作者簡(jiǎn)介：劉得亮，碩士研究生，Email：liudeliang1234@163.com。