CONTENTS ix 



of iron and steel at high temperatures. Character and appearance 

 of the fracture. Measurement of extension, compression, and de- 

 flection Torsion tests. Form of torsion test specimen. Torsion 



as a test of shear. Shearing tests Impact tests Cold bending 



tests. Cast iron Strain diagram for cast iron. Cast iron in 



flexure Cast iron in shear. Cast iron columns. Malleable cast- 

 ings. Specifications for cast iron. Wrought iron and steel. 

 Manufacture of steel. Composition of steel. Steel castings. 



Modulus of elasticity of steel and wrought iron Standard form 



of test specimens Specifications for wrought iron and steel . . 217-246 



CHAPTER XIII 

 LIME, CEMENT, AND CONCRETE 



Quicklime Cement Cement tests. Test of soundness. 



'1 -t of fineness. Test of time of setting. Test of tensile strength. 



Speed of application of load. Compression tests. Standard 



ifications for cement Concrete. Mixing of concrete Tests 



of concrete. Modulus of elasticity of concrete Cinder concrete. 



Concrete building blocks 247-262 



CHAPTER XIV 

 REENFORCED CONCRETE 



Object of reenforcement. Corrosion of the metal reinforcement. 



A(lh->i(n of the concrete to the reenforcement Area of the metal 



p'-nfom-nit-nt. Position of the neutral axis in reenforced concrete 

 1,,-ams. Flrxun- of n-riit'orced concrete beams. Linear variation 



uf -tress. Other uses of reenforced concrete 263-271 



CHAPTER XV 

 BRICK AM) IUILDING STONE 



Linn-tone Sandstone. Compression tests of stone. Trans- 

 verse testa of stone Abrasion tests of stone. Absorption tests of 



stone. Brick and brickwork. Compression tests of brick 



Modulus of plasticity of brick. Transverse tests of brick. Rattler 



f brick, Absorption test of brick 272-281 



