. A practical treatise on natural and artificial concrete; its varieties and constructive adaptations . ers fireproof construction, admits of wide and generalapplication. Although primarily intended for floors, it isequally suited for walls, roofs, and numerous other construc-tive purposes. In extensive buildings where the necessityof using continuous floors arises, such as dock or similarwarehouses, it is important that the supporting cast-ironor other pillars should be protected from the damaging in-fluence of high temperatures. Such an arrangement of pro-tection is easily reached by the aid


. A practical treatise on natural and artificial concrete; its varieties and constructive adaptations . ers fireproof construction, admits of wide and generalapplication. Although primarily intended for floors, it isequally suited for walls, roofs, and numerous other construc-tive purposes. In extensive buildings where the necessityof using continuous floors arises, such as dock or similarwarehouses, it is important that the supporting cast-ironor other pillars should be protected from the damaging in-fluence of high temperatures. Such an arrangement of pro-tection is easily reached by the aid of fireclay tubes, whichcan be adapted to any form or design. A pavement constructed on this system might be designedto meet all the difficulties inseparable from the existing plan,with its inconvenient and dangerous surroundings. Allthe pipes for water and other purposes, or telegraph tubes,could be so arranged as to dispense with at least nine-tenths CONSTRUCTIVE CONCRETE APPLICATIONS. 285 of the inconvenience of the present method of footway con-struction. Not only would such a plan secure more. 286 A PRACTICAL TREATISE ON CONCRETE. comfort to the passer by, but it would also utilize in themost economical manner the spaces below the pavement,which are now completely wasted. For breweries, distilleries, and other similar industries, orfor abattoirs, such a system of construction as that we havedescribed offers peculiar and beneficial features not hithertorecognized or appreciated. The facility with which gratingscan be inserted in such floors, and the convenient outlets forwaste water secured by the tube or tile arrangement, com-mends itself for many divers useful purposes. The system thus hurriedly detailed in its main and leadingfeatures, is the profitable combination in the manner definedof iron, clay, and concrete, all of which are of the easiest andcheapest obtainment. While claiming for such combinationsthe various advantages described, there may be many modifi-cations


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Keywords: ., bookcentury1800, bookdecade1870, bookpublisherlondo, bookyear1879