Historic Mortars
Historic Mortars
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历史迫击炮
DOI：
10.1007/978-94-007-4635-0_29
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发表时间：
2012
期刊：
影响因子：
--
通讯作者：
Lawrence M
中科院分区：
文献类型：
--
作者：
Lawrence M
本文建立在之前研究使用水硬石灰砂浆建造的粘土砖的弯曲粘结强度、初始剪切强度和抗压强度的工作的基础上。已经表明，虽然砖砌体的弯曲粘结强度和初始剪切强度通常随着砂浆强度的增加而增加，但低和高砖吸水率都会显着损害弯曲粘结强度。本文介绍了使用压汞孔隙率测定法对砖/砂浆界面处砖和砂浆表面的孔径分布进行的研究。该论文确定了砖表面的临界孔径，这似乎决定了最终的粘合强度。
This paper builds on previous work investigating the flexural bond strength, initial shear strength and compressive strength of fired clay brickwork built using hydraulic lime mortars. It has been shown that whilst flexural bond strength and initial shear strength of the brickwork generally increased with mortar strength, flexural bond strength was significantly impaired by both low and high brick water absorption. This paper describes a study of the pore size distribution of the surfaces of brick and mortar at the brick/mortar interface using Mercury Intrusion Porosimetry. The paper identifies critical pore sizes at the brick surface which would appear to govern resultant bond strength.