Composite Pavement.
A piece of new pavement of the composite kind, invented by Mr. -H. F. Williams, of Sun Francisco, is now being tried in Cannon Street, London, opposite the Mansion House station of the Metropolitan District Bailway. The pavement is laid on a concrete foundation faced with cement, which is set hard and dry before the superstructure 13 built. This consists of wooden blocks about 8 inches long by <i inches deep by 1} inches wide, which are set on the foundation like bricks on edge, and with the end of the grain — that ii, the I^-inch side — uppermost. Previous to being set thus each brick is dipped in a boiling mixture of Val de Ti avers asphalte and Trinidad bitumen. Tho bricks arc then laid so as to break joint, and tho interstices are filled in with boiling pitch. Lastly, over the bricks is spread a covering of asphalte half an inch thick, and mixed with coarse sand and grit. The grit prevents the asphalte from being greasy in wet weather.
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https://paperspast.natlib.govt.nz/newspapers/WT18840913.2.51.2
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Waikato Times, Volume XXIII, Issue 1902, 13 September 1884, Page 6
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173Composite Pavement. Waikato Times, Volume XXIII, Issue 1902, 13 September 1884, Page 6
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