Experimental Study on Physicochemical and Mechanical Properties of Mortar Subjected to Acid Corrosion

Table 6

Uniaxial compressive strength ratio of mortar.

HCl (pH = 1)					HCl (pH = 2)
T (days)	S				T (days)	S
10	#4∼6	0.903	0.873	0.870	10	#34∼36	0.933	0.906	0.885
20	#7∼9	0.760	0.813	0.793	20	#37∼39	0.870	0.840	0.864
30	#10∼12	0.736	0.763	0.716	30	#40∼42	0.797	0.823	0.824
40	#13∼15	0.630	0.664	0.693	40	#43∼45	0.770	0.748	0.814
50	#16∼18	0.607	0.594	0.663	50	#46∼48	0.734	0.743	0.775
60	#19∼21	0.554	0.584	0.605	60	#49∼51	0.687	0.757	0.746
70	#22∼24	0.485	0.524	0.570	70	#52∼54	0.655	0.711	0.728
80	#25∼27	0.483	0.502	0.471	80	#55∼57	0.641	0.657	0.680
90	#28∼30	0.446	0.491	0.443	90	#58∼60	0.575	0.619	0.744

S represents the serial number of the mortar specimen; represents the strength ratio of mortar.