Show TRY FERRO CEMENT ROADS ROAD experiments with this Sub substance a in franco france have been highly successful ferro cement roads are being ex ci with in l franco rance the substance Is ia made of cement mixed with straw to make a slab blab or block ol 01 ferro cement a mass of iron straw it Is placed d la in tilia the mold and there Is poured over it cement sufficiently fluid to penetrate into all the interstices of the iron and completely comple lely fely cover it when the whole has haa get the core of iron thus intimately incorporated gives elves tc the block a great resistance to breakage and to traction at the same came time furnishing elasticity to compres compression which enables it to stand superficial shocks A brick of ferro cement 1 3 E inches thick has supported durins during crushing tests teats a pressure of about 65 tons to the square inch in breakage break tests the re resistance sWance was quadruple that of ordinary cement resistance to wear was no less remarkable |