M.w rOBK - : \I 



f fat li 3 to 5 vol. of sand to 1 measured vol. of 



jtic mortu which does not crack. 

 gives the following mortar experimental 



Composition and physical properties of the lime 



n ignition, Il 2 < * and S 1 



1.2 



Al 2 < > 3 and I c Uy 



MgO 6 



95. « 



Weight of enhic feet including voids CO lb 



44* 



of lump 1 . 



12 3 4 5 



jht of CaO used 1000 looo looo looo 1000 



?ht of H,< ke l< 2000 oO 3ou0 4«»00 



?ht of HjO for paste 1000 500 



Vol. <.f 11 O to one 2.5 3 4 



VoL of paste 2 ► 2560 2712 312 4120 



- ; .t of paste 2720 280 3392 48; 



Density of paste 1.30 1.28 1. 23 1.24 1.17 



Characfc Thick Thick Medium Thin Very thin 



Vol. of sand, moist - 3000 oo 710 141 



Weight of sand 3000 4500 7500 1061 201 



Vol of sand to limo 2 3 5 7 1 14 4 



1 12 1.8 



Vol. of l •' 44> M0 Ti'OO 135 



r "'7 411 2.")4.".0 



t\ of mortar 1 73 1.75 1 ^2 1.94 



Thick Medium Medium Sloppy Very sloppy 



- s without shrinking 



Percentage composition 



Water 











Return of water to lime. 



30 



52 6 

 17.4 



20 3 

 12.8 



22 5 



68 1 



9.4 



20 - 



7 -j 



7.1 



15.1 



82 



100 

 1.7 



100 



2.3 



100 

 2.4 



100 



2.9 



100 



3.9 



