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Proposal of design formulae for equivalent elasticity of masonry structures made with bricks of low modulus:English

机译：用低模量砖砌筑的砌体结构等效弹性设计公式的建议：英文

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摘要

Bricks of low elastic modulus are occasionally used in some developing countries, such as Indonesia and India. Most of the previous research efforts focused on masonry structures built with bricks of considerably high elastic modulus. The objective of this study is to quantify the equivalent elastic modulus of lower-stiffness masonry structures, when the mortar has a higher modulus of elasticity than the bricks, by employing finite element (FE) simulations and adopting the homogenization technique. The reported numerical simulations adopted the two-dimensional representative volume elements (RVEs) using quadrilateral elements with four nodes. The equivalent elastic moduli of composite elements with various bricks and mortar were quantified. The numerically estimated equivalent elastic moduli from the FE simulations were verified using previously established test data. Hence, a new simplified formula for the calculation of the equivalent modulus of elasticity of such masonry structures is proposed in the present study.
机译：低弹性模量的砖有时在一些发展中国家使用，例如印度尼西亚和印度。以前的大多数研究工作都集中在用具有相当高弹性模量的砖建造的砖石结构上。这项研究的目的是通过使用有限元（FE）模拟并采用均质技术来量化当砂浆具有比砖更高的弹性模量时较低刚度砖石结构的等效弹性模量。所报告的数值模拟采用了具有四个节点的四边形元素的二维代表性体积元素（RVE）。定量了各种砖和砂浆复合材料单元的等效弹性模量。使用先前建立的测试数据验证了来自有限元模拟的数值估计等效弹性模量。因此，本研究提出了一种新的简化公式，用于计算此类砌体结构的等效弹性模量。

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