Influence of alum and soap solutions of the permeability of concrete . 20. for this mixture 11 or 12 percent gave the best result • Thepercolation per day dropped, rapidly for the first few daysafter which it assumed a more uniform rate of decrease. Thismay be due somewhat to the filling of the voids in the specimenby the precipitation from the water. The results of the totalcumulative flow and of the daily percolation in ounces persquare inch are plotted on pages ^1 and 22 22.

---

Size: 1332px × 1876px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectco, booksubjecttheses