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UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 906 



Contribution from the Bureau of Public Roads 

 THOMAS H. MACDONALD, Chief 



Washington, D. C. 



March 23, 1921 



THE USE OF CONCRETE PIPE IN 

 IRRIGATION 



By 



F. W. STANLEY, Senior Irrigation Engineer, with Introductory 



Paragraphs by SAMUEL FORTIER, Chief of 



Irrigation Division 



CONTENTS 



Introduction 1 



The Use of Pipe in Irrigation .... 2 

 Incasing Old Pipes of Metal and Wood 



with Concrete 4 



Concrete Pipe 4 



Reinforced Concrete Pipe 6 



Manufacture of Plain Concrete Pipe . . 8 



Quality of Concrete Pipe 9 



Cost of Unreinforced Pipe 12 



Laying Concrete Pipe 13 



Causes of Failure in Concrete Pipe . . 15 



Pipe Systems for Irrigation 23 



Settling Basins and Screens 27 



Air Vents 29 



Relief Stands 30 



Measuring Devices for Pipe Irrigation . 



Systems 31 



Distributing Hydrants 44 



WASHINGTON 

 GOVERNMENT PRINTING OFFICE 



1921 



