Growing Use of Ciment Fondu in Shanghai The use of what is technically: known as "ciment fondu" is steadily increasing in Shanghai, the agents form of cement, Messrs. announcing the supply of this to such organizations as Public Works Department, S.M the Shanghai Electric Construction Ca., Messrs. Remand & Collet, ete.
Giment fondu differs from ordinary cement in that it contains a large proportion of aluminium oxide (AL. 2. 03). This new cement is made from a mixture of chalk or limestone the material to a liquid slag, thus differing from any ordinary process" of cement manufacture. The duet pours out in a molten state like molten steel, and is cast into pigs, which are subsequently broken ur. The broken pieces are ground into} 'a very fine powder" which constitutes the cement, Ciment fondu possesses the characteristic of extremely rapid. hardening, a quality which effects: jan incalculable saving of time and money. It is a cement by} which can be made a concrete which hardens so rapidly that it is strongey soe Sy Son Fuctaas sees conerete which has been harden for. three whole" months. This means that a conerete road made with ciment fondu is ready for its full load of traffic 24 hours} after the concrete has been 1a'd, whether such concrete is used foundation or as an actual surface.
Piles made with eiment fondu have been driven when only 24 hours jold. Shuttering and centring can be removed from even suspended floors 24 hours after the placing of the plastic concrete, ang! these floors can immediately carry their designed load.
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