Paper Title:

Geotechnical Aspects of the N1 Tower, Prasat Sour Prat, Angkor Thom, Cambodia

Periodical Advanced Materials Research (Volumes 133 - 134)
Main Theme Structural Analysis of Historic Constructions
Edited by Xianglin Gu and Xiaobin Song
Pages 113-118
DOI 10.4028/www.scientific.net/AMR.133-134.113
Citation Yoshinori Iwasaki et al., 2010, Advanced Materials Research, 133-134, 113
Online since October, 2010
Authors Yoshinori Iwasaki, Mitsuharu Fukuda, Koichi Nakagawa, Yasushi Akazawa, Ichita Shimoda, Takeshi Nakagawa
Keywords Angkor, Dismantling, Inclination, Masonry Tower, Prasat Sour Prat
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Abstract

This paper presents a case study of foundation of an inclined independent masonry tower in Angkor. One of the Prasat Sour Prat towers had been dismantled before reconstruction for conservation. The foundation was inclined as the same as the upper structure of the tower and spreading outwards. The inclination was considered caused by foundation failure with some differential settlements of the ground. During dismantling, the soil layers exposed on the trenched section were found rather horizontal than the inclined state that had been expected. Laterite blocks of step slope stones was found to have slid down along the soil mound of the foundation. The mechanism might have been caused by weakening of soil strength by wetting ground. Without dismantling, the real mechanism of the inclination was never known as well as the corresponding counter measures.