The Action of Alkali Salts on Concrete Drain Tile PDF Download
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Author: Forest Volney King Publisher: ISBN: Category : Agriculture Languages : en Pages : 52
Book Description
The references contained in this bulletin were compiled in connection with an investigation by the Bureau of Public Roads of the effect of soil alkalies on concrete drain tile. The bibliography is believed to be fairly complete in respect to articles published prior to 1924. The importance of the problem presented by the use of concrete structures in sea water and in soils containing various acids and alkalies has long been recognized.
Author: International Clay Products Bureau, Kansas City, Mo Publisher: ISBN: Category : Pipe, Concrete Languages : en Pages : 132
Book Description
The few observations here compiled check absolutely and it is perfectly clear that concrete sewers are destroyed not as much by the ready made acids which are poured into them from soap factories, tanneries, chemical works, printing offices, engraving plants, breweries, livery stables and the like, but by the acids which are made directly in them by the decomposition of the putrescent matters which they naturally contain. The process is very simple. By the action of decomposition and bacteria, the putrescing contents of the sewer generate large quantities of hydrogen Sulfide gas. In the presence of air and moisture this gas readily forms sulphuric acid. The damp walls of the sewer readily absorb this acid which soon becomes strong enough to attack the lime which forms a large portion of Portland Cement. [Ad for Vitrified salt-glazed Sanitary Sewer Pipe].