Deterioration of stone materials in the Angkor Monuments, Cambodia

Etsuo Uchida, Y. Ogawa, N. Maeda, T. Nakagawa

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    Abstract

    The Angkor monuments in Cambodia are built mainly of sandstone and laterite. This paper mainly describes the deterioration of sandstone blocks. The sandstone in the monuments can be classified into three types based on the colour, texture, chemical composition and constituent mineral; grey to yellowish brown sandstone, red sandstone and greenish greywacke. The deterioration is distinct in grey to yellowish brown sandstone because of its low compressive strength, high porosity, well developed bedding, and constituent minerals susceptible to alteration such as feldspar and biotite. The main causes of deterioration identified are chemical weathering, efflorescence related to bat guano, and biodeterioration by the growth of trees, algae and lichens. An water supply is also indispensable for deterioration.

    Original languageEnglish
    Pages (from-to)329-340
    Number of pages12
    JournalDevelopments in Geotechnical Engineering
    Volume84
    Issue numberC
    DOIs
    Publication statusPublished - 2000

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    Keywords

    • Angkor monuments
    • Deterioration
    • Efflorescence
    • P-wave propagation velocity
    • Rebound value
    • Sandstone

    ASJC Scopus subject areas

    • Geotechnical Engineering and Engineering Geology

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