Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 213
RY AND REINFORCED CONCRETE was a good quality of limestone. The cover-stones were made 15inches thick. 244. End Walls. The ends of a culvert are usually expandedinto end walls for the retention of the embankment. For the largerculverts, this may develop into two wing walls which act as… … Fig. 75. Double Box Culvert, 4 by 3-Poot. bank and work its way behind the culvert walls. The end wall isalso carried up above the height of the top of the culvert, so as toguard still further against the washing of earth from the embank-ment over the end of the culvert into the stream below. All…
Architecture · Building
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