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

Table 9

Setting time of blended pastes of OPC-WPPA and PPC-WPPA.

S. no.	Mix code	Initial setting time (minutes)	Final setting time (minutes)
1	OPC-WPPA0	170	290
2	OPC-WPPA5	150	270
3	OPC-WPPA10	122	225
4	OPC-WPPA15	115	220
5	PPC-WPPA0	273	390
6	PPC-WPPA5	244	365
7	PPC-WPPA10	236	360
8	PPC-WPPA15	227	340

Bold shows controlling mix for OPC and PPC.