Study on Strength Variation of Permeable Concrete Based on Differential Calorimetry Method and Multi-Index Test

Table 1

Test plan design.

Program	Water-cement ratio	Ratio of set	Cement dosage (kg/m^3)	Dosage of water-reducing agent (kg/m^3)	Dosage of reinforcing agent (kg/m^3)	Aggregate dosage (kg)		Permeable coefficient (cm/s)	7 d compressive strength (MPa)	28 d compressive strength (MPa)
						2.36–4.75	4.75–9.5
Program A	WBR1	CR1	C1	WR1	F1	—	CA1	PC1	7-CS1	28-CS1
				WR1	F2	FA1	CA2	PC2	7-CS2	28-CS2
			C2	WR2	F3	—	CA3	PC3	7-CS3	28-CS3
				WR2	F4	FA2	CA4	PC4	7-CS4	28-CS4
			C3	WR3	F5	FA3	—	PC5	7-CS5	28-CS5
				WR3	F6	FA4	CA5	PC6	7-CS6	28-CS6
Program B	WBR2	CR2	C1	WR4	F1	—	CA1	PC7	7-CS7	28-CS7
				WR4	F2	FA1	CA2	PC8	7-CS8	28-CS8
			C2	WR5	F3	—	CA3	PC9	7-CS9	28-CS9
				WR5	F4	FA2	CA4	PC10	7-CS10	28-CS10
			C3	WR6	F5	FA3	—	PC11	7-CS11	28-CS11
				WR6	F6	FA4	CA5	PC12	7-CS12	28-CS12
Program C	WBR3	CR3	C1	WR7	F1	—	CA1	PC13	7-CS13	28-CS13
				WR7	F2	FA1	CA2	PC14	7-CS14	28-CS14
			C2	WR8	F3	—	CA3	PC15	7-CS15	28-CS15
				WR8	F4	FA2	CA4	PC16	7-CS16	28-CS16
			C3	WR9	F5	FA3	—	PC17	7-CS17	28-CS17
				WR9	F6	FA4	CA5	PC18	7-CS18	28-CS18