Durability and Microstructure Properties of Concrete with Arabic Gum Biopolymer Admixture

Table 4

Properties of concrete with added biopolymer additives.

Arabic gum biopolymer				GAK [4]		Latex and chitosan [41]			Neem gum [42]			Welan gum [42]
Dosage %	Compressive strength (MPa) [10]	Tensile strength (MPa) [13]	Carbonation attack (mm)	Compressive strength (MPa)	Carbonation attack (mm)	Dosage %	Compressive strength (MPa)	Tensile strength (MPa)	Dosage %	Compressive strength (MPa)	Tensile strength (MPa)	Compressive strength (MPa)	Tensile strength (MPa)
0	43.8	2.21	15.1	35	15.1	0	28.09	3.27	0	36.2	2.72	36.2	2.72
0.1	43.94	2.23	14.32	—	—	1	27.06	3.24	250	37.7	2.62	38.5	2.74
0.3	45.15	2.29	13.81	36	15.61	2	26.7	2.88	500	40.2	2.71	40.8	2.82
0.5	46.14	2.35	13.43	34	15.81	3	24.12	2.46	750	40.4	2.82	40.4	2.88