Real-Time Monitoring of Timber-Surface Crack Repair Using Piezoelectric Ceramics

Table 3

Limit load of axial compression test.

Time (h)	0	1	2	3	12	24	Free of damage
Ultimate bearing capacity (kN)	D1	D3	D5	D7	D9	D11	A1
	228.47	242.23	257.78	268.84	294.52	297.05	314.43
	D2	D4	D6	D8	D10	D12	A2
	217.31	249.03	262.79	271.42	300.72	309.20	310.65
Average value	222.89	245.63	260.29	270.13	297.62	303.13	312.54