섬유
evaluation of the effectiveness of fabric reinforcement in extending the in-service life of bituminous concrete overlays
- 출판일1999.03
- 저자
- 서지사항
- 등록일
2016.11.02
- 조회수
325
included in this final report is the description of tests of fabric and non-fabric treated overlays of a jointed unreinforced portland cement concrete pavement on us 70 in orange county, north carolina treatment of the overlays were for the purpose of determining their effectiveness in preventing or reducing reflection of joints and cracks in the original pavement through the 2 inch bituminous concrete overlay in an attempt to extend the service life of the overlay. four continuous fabric and four strip fabric treatments were used in addition to four non-fabric treatments, one of which was the regular two inch 1-2 overlay used for conrol. the fabric were three woven or non-woven polymeric materials and one of woven fiberglass the four non-fabric treatments consisted of a surface treatment type mat course, a plant mixed mat coat, an opengraded mix course laid directly on the old pavement and covered with the i-2 mix, and the i-2 mix used for control. the test site was divided into six blocks with each of the twelve treatments repeated in each block. total site is 3.5 miles long with each individual treatment 510 feet long