Comparison and simulation-based analysis of the sound field of Dong drum tower buildings

Heritage Science

Table 1 Classification of characteristics of drum towers in Gulou

Number	Drum tower name	Planar form	Elevation enclosure	Longitudinal profile height-to-width ratio
1	Ren	*Quadrilateral*	0.76	0.86
1	GaoLuo	*Octagon*	0.76	0.85
1	ShangZhai (GaoMu)	Quadrilateral	*0.89*	0.96
1	Zhi	Quadrilateral	*0.72*	0.90
2	DangLiao	Quadrilateral	*0.81*	0.69
2	TangAn	Quadrilateral	*0.70*	0.74
3	XinQian	Quadrilateral	*0.77*	1.10
3	GaoHuang	Quadrilateral	*0.85*	1.10
1	Zhi	Quadrilateral	0.72	*0.90*
1	TangAn	Quadrilateral	0.70	*0.74*
2	Ren	Quadrilateral	0.76	*0.86*
	XinQian	Quadrilateral	0.77	*1.10*
	XiaoHuang	Quadrilateral	0.77	*1.10*
3	ShangZhai(GaoMu)	Quadrilateral	0.89	*0.96*
3	XiaZhai(PoMu)	Quadrilateral	0.90	*1.22*
4	LuanLi	Hexagonal	0.97	*1.10*
4	DaLi	Hexagonal	0.97	*1.05*

The drum towers were divided into three groups according to the three features mentioned above. One of the features was set to change, and is represented by a combination of bold and italics in the table, while the other two features were kept constant