Internet of Things-Based Concrete Curing Invention for Construction Quality Control

Table 5

Record of concrete surface temperature and dampness in Experiment A.

Sample/time	Surface temperature			Surface dampness
	Air-based curing (°C)	IoT-based curing (°C)	Manual-based curing (°C)	Air-based curing (%)	IoT-based curing (%)	Manual-based curing (%)
0 minutes	20.1	21.6	24.8	42.6	42.5	41
10 minutes	19.9	20.6	24.7	40.2	45.3	50
20 minutes	19.8	20.6	24.8	41.3	45.6	50
30 minutes	19.9	20.6	24.5	41.0	43.6	50
40 minutes	19.8	19.9	24.5	39.3	46.6	45.9
50 minutes	19.7	20.0	24.5	19.8	41.1	45.0
60 minutes	19.3	19.3	24.5	19.8	41.9	41.5
70 minutes	19.3	19.3	24.3	19.9	41.7	41.4
80 minutes	19.3	19.5	24.5	11.3	41.9	37.6
90 minutes	19.6	19.6	24.3	10.2	41.1	38.5
100 minutes	19.4	19.5	24.2	10.7	41.4	37.1
110 minutes	19.4	19.4	24.6	11.6	43.0	35.5
120 minutes	19.3	19.4	24.7	11.3	39.4	35.3
130 minutes	19.3	19.6	24.5	11.3	41.1	33.2
140 minutes	19.4	19.5	25.0	11.4	44.0	35.5
150 minutes	19.9	20.0	25.0	11.7	43.6	33.8
160 minutes	19.9	19.8	25.3	11.3	41.8	33.3
170 minutes	19.8	19.9	25.3	11.4	45.0	32.7
180 minutes	19.5	19.6	25.5	11.2	41.3	33.4
190 minutes	20.0	19.6	25.0	11.6	44.1	32.6
200 minutes	19.5	19.5	25.5	11.5	42.0	33.8
210 minutes	19.4	19.4	24.7	10.6	44.6	33.6
220 minutes	19.6	19.3	25.1	11.1	45.0	32.9
225 minutes	20.0	20.0	24.6	11.7	35.5	33.7