Mechanical Contracting & Plumbing January-December 1912 . to the extent of eight stories allowance for expansion was tile was run story by story andwhen in was enclosed in a box whichsurrounded the tile (run in a corner whenever possible) at a distance allow-ing I or cement to be poured in, thus mak-ing a solid job of the whole thing. Wehave not found any place, yet, wheresuch an installation has broken course, you understand that the tilewas glazed and not the ordiuary kindof tile that might be laid in a field. We know that certain authorities ob-ject to the use of ti
Mechanical Contracting & Plumbing January-December 1912 . to the extent of eight stories allowance for expansion was tile was run story by story andwhen in was enclosed in a box whichsurrounded the tile (run in a corner whenever possible) at a distance allow-ing I or cement to be poured in, thus mak-ing a solid job of the whole thing. Wehave not found any place, yet, wheresuch an installation has broken course, you understand that the tilewas glazed and not the ordiuary kindof tile that might be laid in a field. We know that certain authorities ob-ject to the use of tile in almost any joband are not backing this tile stack asbeing perfect, but merely mentioningthat it has been used on certain largejobs and seems to meet the needs of theoccasion in a way that iron pipe in cer-tain similar instances has failed to do,where the chemicals had a chance to getat the iron.—D. C. H. LOOP VENTILATION. Editor Plumber and Steamfitter. —Will you please show in the paper whatthey call the loop system of venti-lation? J. R. As requested, we publish a drawing,shown in Fig. 2, which we believe showsplainly the layout without comment onour part.—D. C. H. CONCRETE EXPANSION. Editor Plumber and Steamfitter. —Can you give me any figures on the ex-pansion of concrete? Or does it neverexpand? I have looked in vain for anyinformation on the subject, and no one14 whom I asked is able to give any figureson the subject, so any information willbe gladly received. A. Plumber. We have not so very much informa-tion, ourselves, but such as it is you arewelcome to. We believe that it is gen-erally figured by some engineers thatconcrete will expand about one-tenth ofone per cent. In a certain instance thatwe know of an engineer went and meas-ured a certain piece of concrete roadthat was especially well constructed andhe found that, in summer weather, therewas an expansion of one quarter of aninch in sixteen feet. This expansionwas enough to cause the road to crac
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplumbin, bookyear1912
