Response of dry stack stone masonry walls under mechanical loading is complex and difficult to determine, mainly due to heterogeneous and discrete nature of the components of the stone wall. In this paper, reflection photoelasticity is used on scaled down models of stone masonry wall under uniaxial compression. Two walls are tested, and the methods to obtain near perfect dry stack masonry for reflection photoelastic studies are presented. Five‐step phase‐shifting methods are employed with TFP/RGB photoelasticity to quantitatively analyse the mechanical behaviour of the dry stack masonry walls. Isochromatics and isoclinic data are processed to obtain other whole field experimental stress data. Highly stressed zones are observed resulting in distinctive localised vertical failure in some of the stone units. In dry stack masonry construction, the failure mechanism is found to be dictated by the contact mechanics, which are governed by the non‐uniformity of block geometry even in very regular dry stack masonry.

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数字反射光弹性法对干砌石墙的试验研究

干叠砌石砌墙在机械载荷下的响应是复杂且难以确定的，这主要是由于石墙组件的异质性和离散性。本文将反射光弹性用于单轴压缩下按比例缩小的砌石墙模型。测试了两堵墙，并提出了获得用于反射光弹性研究的近乎完美的干砌砖石的方法。TFP / RGB光弹性采用五步相移方法来定量分析干砌墙的力学性能。对等色和等斜度数据进行处理以获得其他全场实验应力数据。观察到高应力区域，导致某些石材单元出现明显的局部垂直破坏。在干砌砌体建筑中，