UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 1077 



Washingtoft, D. C. 



October 21, 1922 



PORTLAND 

 CEMENT CONCRETE ROADS 



By 



JAMES T. VOSHELL, District Engineer 



R. E. TOMS, Senior Highway Engineer 



Bureau of Public Roads 



CONTENTS 



Introduction 



Materials used in concrete roads 



Proportioning 



Quantities of materials required . 



Design 10 



Construction 27 



Organization and equipment 47 



Capital required 55 



Ciist of concrete pavements 55 



Maintenance 58 



Resurfacing old concrete pavements . . 59 



Appendix 61 



WASHINGTON 

 GOVERNMENT PRINTING OFFICE 



1922 



BBBaKBmHBa 



