Resistance of clay burned at different temperatures to disintegration by slaking and freezing . 01 800 17-18 850 21-22 900 25-26 950 29-30 1000 33-34 1050 37-38 Porosity of Burned Pieces. Burn. Temp. No. Series A. Series B. Series C. Series D. Series E. °C. 600 1-2 650 5-6 43. 40 700 9-10 28. 59 750 13-14
Resistance of clay burned at different temperatures to disintegration by slaking and freezing . 01 800 17-18 850 21-22 900 25-26 950 29-30 1000 33-34 1050 37-38 Porosity of Burned Pieces. Burn. Temp. No. Series A. Series B. Series C. Series D. Series E. °C. 600 1-2 650 5-6 43. 40 700 9-10 28. 59 750 13-14 800 17-18 28. 45 850 21-22 900 25-26 950 29-30 33. 30 1000 33-34 1050 37-38 ,. lUv greatest porosity of the burned clays, wiLn Lns ex- ception of series E , occurrs between 800° 0. and 900° C. In general, above 900° C. the porosities begin to drd>p and the bodies begin to resist the disintegrating action of (10) Effects of freezing and thawing on pieces burned at differ-ent temperatures. After 6 days freezing and thawing. Burn. Temp. No. Series A. Series B. Series C. Series D. Series E 600 3 broken slaked cracked slaked sound 600 4 ii ii 11 broken 11 650 7 it it II cracked 11 650 8 sound ii broken broken II 700 11 ii ti It tt 11 700 12 ii it cracked tt II 750 15 ii it It tt II 750 16 cracked tt broken tt 11 800 19 sound broken M n iiii 800 20 tt ti tt it 850 23 « tt it it 850 24 it tt it tt 900 27 cracked tt it ii 900 28 tt sound it it 950 31 sound tt sound tt 950 32 it it it tt 1000 35 ii it ii ti 1000 36 it ii it it 1050 39 it it tt ii 1050 40 it tt ti it After 1 months freezing ; and thawing. Burn. Temp. No. Series A. Series B. Series C. Series D. Series 600 3 slaked slaked slaked slaked broken 600 4 IT ti it tt it 650 7 II it it ti ii 650 8 II it tt it it 700 11 broken n broken crumbled i
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttheses, bookyear1915
