Author(s)

SHUNSUKE YAMADA, MASATO ARAYA, AKIHITO YOSHIDA, TAKESHI OHISHI

Abstract

The Bayon Temple of Angkor Thom in Cambodia was built in the 12th century. It is composed of many masonry towers, and they were constructed by dry masonry. The main tower of it is about 40 meters high from the ground. The shape of the upper area of the main tower is now complicated because of its partial collapse in the past. It also risks further collapse due to strong winds. To assess the influence of the wind pressure on the monument with the complicated shape, we conducted a wind tunnel test using 3D laser scanning data and a 3D printer. Then, using the wind tunnel test, the wind pressure caused by the complicated shape’s surface of the tower was estimated. In addition, we verified the simple calculation method of the horizontal capacity load of dry masonry using a laboratory horizontal loading test. Based on the wind tunnel test and the laboratory loading test of dry masonry, we assess the structural stability of the Bayon main tower.

Keywords

dry masonry, wind tunnel test, Angkor monument