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

Table 14

Mass loss of OPC-WPPA and PPC-WPPA concrete cured under 2% sulfuric acid.

S. no.	Mix code	Weight before immersion (Wr) in gm	Weight after immersion (Ws) in gm	Mass loss (MS) in %
1	OPC-WPPA0	8250	8236.67	0.283
2	OPC-WPPA5	8163.33	8146.67	0.204
3	OPC-WPPA10	8136.67	8090	0.164
4	OPC-WPPA15	8120	8076.67	0.123
5	PPC-WPPA0	8156.67	8146.67	0.327
6	PPC-WPPA5	8146.67	8126.67	0.246
7	PPC-WPPA10	8136.67	8123.33	0.204
8	PPC-WPPA15	8123.33	8110	0.164

Bold shows control mix.