Table 2. Gaussian Function Fitting Results of the Variation of the Average Crack Width with the Water Content of Each Surface.

surface	y0	xc	w	A	R2
1–1	0.01914	0.10474	0.08107	0.1241	0.97876
1–2	–0.00774	0.10578	0.08751	0.0452	0.9963
1–3	–0.01349	0.10942	0.09275	0.07862	0.99027
1–4	–0.03284	0.10937	0.09817	0.0718	0.99081
1–5	0.00549	0.10221	0.07931	0.04037	0.98331
1–6	–0.02331	0.10749	0.09568	0.07449	0.97868
2–1	–1.16906	0.12451	0.32478	0.5979	0.97087
2–2	–1.35979	0.11342	0.27118	0.7079	0.99311
2–3	–3.29106	0.12754	0.51227	2.30664	0.96156
2–4	–8.09472	0.11844	0.71328	7.65766	0.97806
3–1	–0.44934	0.12611	0.20427	0.1974	0.94638
3–2	–0.33692	0.12335	0.17094	0.16379	0.96218