BRICK AND BUILDING STONE 



279 



Problem 185. A dry-pressed brick of sectional area 9.72 sq. in. was tested in 

 compression endwise. Measurements were taken on a gauged length of 5 in. and 

 the following data, obtained. 



Dmr the strain ,lia,-rara. Compute the modulus of elasticitj ^ between loads o f 

 1000 Ib./in.' ;.,! :, ll,./m.t, and also between 0000 lb./in. and 8000 lb./m.^. 



