Partial Replacement of Cement by Waste Paper Pulp Ash and Its Effect on Concrete Properties

Table 13

Water absorption test results of OPC-WPPA and PPC-WPPA concrete after 28 days of curing.

S. no.	Mix code	Av. dry weight of cube (gm) (W1)	Av. wet weight of cube (gm) (W2)	Water absorbed (gm) (W2 − W1)	Percentage water absorption
1	OPC-WPPA0	8193.33	8313.33	120	1.46
2	OPC-WPPA5	8023.33	8180	156.67	1.95
3	OPC-WPPA10	7950	8143.33	193.33	2.43
4	OPC-WPPA15	7863.33	8103.33	240	3.05
5	PPC-WPPA0	8116.67	8226.67	110	1.36
6	PPC-WPPA5	8006.67	8173.33	146.67	1.83
7	PPC-WPPA10	7963.33	8146.67	183.33	2.30
8	PPC-WPPA15	7900	8126.67	226.67	2.87

Bold shows control mix.