Essays on Hydraulic and Common Mortars and on Limeburning1838 - 256 sider |
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Side 21
... months , at seeing , on many points of the surface , swellings of the size , nearly , of a half dollar ; these portions finally fell off , and it was then seen that they had been caused by particles of blue lime , about the size of a ...
... months , at seeing , on many points of the surface , swellings of the size , nearly , of a half dollar ; these portions finally fell off , and it was then seen that they had been caused by particles of blue lime , about the size of a ...
Side 26
... month of June , the hardening was slow ; and experience teaches that mortars harden sooner in this season , than in ... months har- w't . har- w't . har- w't . den sup- den- sup- den- sup- ing . port'd ing . port'd ing . portd Yellow ...
... month of June , the hardening was slow ; and experience teaches that mortars harden sooner in this season , than in ... months har- w't . har- w't . har- w't . den sup- den- sup- den- sup- ing . port'd ing . port'd ing . portd Yellow ...
Side 27
... months and a half , I repeated the experiments , using the same lime slaked to powder . The table shows that the hardening was still slower , and that the resistance was still less in the mortar , composed of lime and sand ; for by the ...
... months and a half , I repeated the experiments , using the same lime slaked to powder . The table shows that the hardening was still slower , and that the resistance was still less in the mortar , composed of lime and sand ; for by the ...
Side 28
... month . After 2 months . After 3 months . After 4 months . H W HWH W HW HWH W ( Obernai lime slaked tod's lbs d's lbs d's libs d's lbs d's lbs d's Ins powder and measur ed in powder 10 121 6 132 4 132 5 117 5 70 6 66 2 Sand 233 Same ...
... month . After 2 months . After 3 months . After 4 months . H W HWH W HW HWH W ( Obernai lime slaked tod's lbs d's lbs d's libs d's lbs d's lbs d's Ins powder and measur ed in powder 10 121 6 132 4 132 5 117 5 70 6 66 2 Sand 233 Same ...
Side 29
... months , the mor- tars were unable to sustain the scale - pan , & c . , weighing 22 lbs : the mortars had , in the mean time acquired some consistence , but it was so feeble as to be easily broken between the fingers . The table shows ...
... months , the mor- tars were unable to sustain the scale - pan , & c . , weighing 22 lbs : the mortars had , in the mean time acquired some consistence , but it was so feeble as to be easily broken between the fingers . The table shows ...
Almindelige termer og sætninger
air-slaked alumine arenes artificial hydraulic lime ascertain burned calcareous calcined carbonic acid colour common lime concrete construction cubic earth Engineer experiments of Table exposed fat lime Fort Adams gave give gneiss hardening in water hardness Holsheim clay hydrate hydraulic cement hydraulic lime hydraulic mortar hydraulic pastes hydraulic property immersed inches induration kiln less lime and sand lime in paste lime measured lime slaked limestone little water magnesia marl masonry measured in paste mixed mixture mode months mortar composed Oberbronn Obernai lime Observations obtained ochreous oxide of iron pipe clay placed plastic cements plates portion potash prisms proportions pulverized put in water puzzalona puzzolana quantity of sand quantity of water quick lime reburnt with 2-10 resistance reverberatory furnace reworked sand and trass Sand Same lime Senonches silex slaked lime slaked to powder soda Strasburg substance tenacity tion Treatise trials Vicat vitrification vols volume weight
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