不同掺量粉煤灰轻骨料混凝土的强度试验研究_王萧萧.pdf

30 1 硅 酸 盐 通 报 Vo l. 30 N o. 1 2011 2 BU LLET IN OF TH E CH INESE CERAM IC SOCIETY February, 2011 王萧萧, 申向东 , 0 100 18 ) : , 0% 15% 20% 30% 45% 60% , 3 d7 d14 d21 d28 d90 d; , , , 20% : ; ; ; ; : TU 528 : A : 2011) Experim en tal Study on Strength of L ightweigh t A ggregate Con crete w ith D ifferent Con ten ts of F ly A sh WANGX iaox iao, SHEN X iangdong InnerM ongo lia A gricu ltural U n iversity, H ohhot 0 100 18, Ch ina) Abs tract: T o study the durab ility and freez ing resistance of the lightw eight aggregate concrete LA C ) that use the natural pum ice from the east Inner M ongolia as coarse agg regate under freezethaw cycles. Th is paper tests and com pares these com pressive streng th o f LA C w ith 0% , 15% , 20% , 30% , 45% or 60% flyash in 3 d, 7 d, 14 d, 2 1 d, 28 d, and 90 d. T he result suggests that the natura l pum ice LAC w ith 20% flyash is the best cho ice. K ey w ord s: fly ash; lightw eight aggregate concrete; compressive strength; durability; frost resistance 1 引 言 , 3. 75, , , , , , , : , , , , , , , 2 试验材料与试验方案 , CH 5 : N o. 2009M S0705) : 1987) , , . . : . Em ail: nd sx d@ 163. com. 70 30 100 mm 100 mm 100 mm , , 3 d, 7 d, 14 d, 21 d, 28 d, 90 d; 100 mm 100 mm 100 mm GB /T 500822009 , 4 , , 25 2 1 1) : P. O42. 5 , 1; 2) : , 2; 3 3 3) : ,