International Journal of Concrete Structures and Materials

Table 16 Restricted expansion rate of modified grouting mortar

From: Experimental Study on Modification of Grouting Material for Joints of Prefabricated Buildings

Group	Restricted expansion rate (%)
Group	3d	7d	14d	21d	28d	42d	60d	120d
BG	0.0057	0.0397	0.0692	0.0496	0.0303	0.0136	− 0.0013	− 0.0274
E2C0R5	0.0216	0.0473	0.0732	0.0516	0.0323	0.0160	0.0013	− 0.0238
E2C2R5	0.0182	0.0471	0.0749	0.0527	0.0338	0.0167	0.0035	− 0.0205
E2C5R5	0.0206	0.0470	0.0763	0.0582	0.0403	0.0208	0.0072	− 0.0162
E2C7R5	0.0222	0.0497	0.0782	0.0610	0.0419	0.0216	0.0096	− 0.0154
E1C2R5	0.0123	0.0367	0.0609	0.0399	0.0223	0.0050	− 0.0104	− 0.0316
E3C2R5	0.0405	0.0625	0.0862	0.0678	0.0493	0.0278	0.0170	− 0.0116
E2C2R7	0.0182	0.0471	0.0749	0.0527	0.0338	0.0167	0.0050	− 0.0205
E2C2R10	0.0183	0.0507	0.0797	0.0537	0.0353	0.0185	0.0058	− 0.0204
E2C2R15	0.0239	0.0541	0.0828	0.0580	0.0416	0.0218	0.0063	− 0.0179

Positive values in the table indicate expansion deformation, negative values indicate shrinkage deformation

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