Download Free Experimental Concrete Pavements Book in PDF and EPUB Free Download. You can read online Experimental Concrete Pavements and write the review.

This report summarizes a 22-year study of concrete pavement design features. It included construction of a test road with numerous variables, two roads with several major design changes, and several roads among the first to incorporate a major change in load-transfer devices across transverse joints. The work involved the first major contract in New York to use a slip-form paver, the first short-slab unreinforced pavements, the first concrete shoulders, and skewed transverse joints. Performance of all these items is discussed, along with a number of minor changes.
In report 1 the location, design, materials, construction, traffic, and early performance are described of an experimental concrete pavement built in Indiana to study the effectiveness of subbases in the control of pumping. The second report tells of a project which was built in the summer and fall of 1952 in an attempt to determine the performance of various thicknesses of subbase on a main truck route.
Because of widespread disagreement about the desirability of expansion joints in concrete pavements, the Public Roads Administration (PRA) decided early in 1940 to sponsor cooperative experimental research projects in Kentucky, Michigan, Minnesota, Oregon, California and Missouri. Design of the seven experimental sections in each state is described. The primary purpose of the experiments is to study the spacing of expansion joints in pavements with closely spaced contraction joints.
One of the most important issues in portland cement concrete pavement research today is surface characteristics. The issue is one of balancing surface texture construction with the need for durability, skid resistance, and noise reduction. The National Concrete Pavement Technology Center at Iowa State University, in conjunction with the Federal Highway Administration, American Concrete Pavement Association, International Grinding and Grooving Association, Iowa Highway Research Board, and other states, have entered into a three-part National Surface Characteristics Program to resolve the balancing problem. As a portion of Part 2, this report documents the construction of 18 separate pavement surfaces for use in the first level of testing for the national project. It identifies the testing to be done and the limitations observed in the construction process. The results of the actual tests will be included in the subsequent national study reports.
This project is a continuation of the research done from 1972 to 1981 on a jointed portland cement concrete pavement test section located in the southbound lane of Ohio Route 23 in Chillicothe, Ohio. Several variables were incorporated into the pavement: joint spacing, type of base, type of dowels and type of sawcut. Short term and long term horizontal movements caused by temperature were evaluated over a two year period. Vertical movements under known axle loads were also determined. Dynaflect and FWD were measured at the same time as the vertical movements. A statistical analysis was conducted of the horizontal and vertical movement data. A record of the damage to the pavement during the 20 year span was also made.