Title:
Machine Methods for Trimming Subgrade and Placing Concrete Canal Lining
Author(s):
0. G. Boden
Publication:
Journal Proceedings
Volume:
38
Issue:
Appears on pages(s):
177-180
Keywords:
DOI:
10.14359/8596
Date:
11/1/1941
Abstract:
methods to trimming subgrade and placing concrete lining on the Contra Costa Canal of the Central Valley Project. The subgrade trimming machine and the machine which placed, formed, and vibrated the concrete, spanned the canal and rode on. Accurately placed rails. The results are satisfactory in maintaining accurate alignment and grade. The Bureau of Reclamation applied special machine