Mechanical Properties of Ancient Bricks and Compressive Strength of Substitution Masonry for Ancient Building Preservation in Chiang Sean

Abstract

This study aims to identify the mechanical properties of ancient bricks from the historical building in Chiang Sean. The mechanical properties investigated in the laboratory include the density, porosity, and compressive strength of bricks as a cube. This study also presents the experimental method for investigating the compressive strength and elastic modulus of substitution masonry prism with the binder. The specimen for this experiment was supported by the Department of Fine Art, by the substitution bricks made from the Department of Fine Art guidelines for use in the Thai historical structure preservation project. The binder of the masonry prism is slaked lime with a mixture of white cement to slack lime to sand equal 1:8:24. The masonry prism specimen is composed of 6 flatwise rectangular prism shape bricks with the dimension 15x30x5 cm3. This experiment uses the compressometer setting with the masonry prism to investigate the elastic modulus of the substitution masonry prisms stack. The result obtained from this study benefits ancient Thai building preservation, especially the historical building in Chiang Sean