Development and Performance Assessment of the High-Performance Shrinkage Reducing Agent for Concrete

Table 1

Experimental plan.

Experimental factors				Measurement
Mix	W/B (%)	49.4		(i) Fresh concrete: slump, air content; (ii) Hardened concrete: compressive strength, drying shrinkage length change
	Binder (%/B)	FA 10
	Slump (mm)	180 ± 25
	Air content (%)	4.5 ± 1.5
Concrete application	Shrinkage reducing (SR) materials	(i) Alcohol-based 1 (A1); (ii) Alcohol-based 2 (A2); (iii) Alcohol-based 3 (A3); (iv) Glycol-based 1 (G1); (v) Glycol-based 2 (G1)	0 (plain), 2.0 (%/B)	(i) Fresh concrete: slump, air content; (ii) Hardened concrete: compressive strength, drying shrinkage length change
Performance enhancement	Early strength materials	(i) NaNO3 (NN); (ii) Triethanolamine (TEA); (iii) Calcium formate (CF)	0 (plain), 1.0, 3.0, 5.0 (%/SRA)	(i) Fresh concrete: slump, air content; (ii) Hardened concrete: compressive strength, drying shrinkage length change
Performance assessment	Shrinkage reducing (SR) materials	(i) Glycol-based (G)	0 (plain), 0.5, 1.0, 2.0, 4.0 (%/B)	(i) Fresh concrete: slump, air content; (ii) Hardened concrete: compressive strength, drying shrinkage length change