| Title | Development of rational pay factors based on concrete compressive strength data |
|---|---|
| Record ID | 30616 |
| Personal Name Creator |
Laungrungrong, Busaba; Mobasher, Barzin; Montgomery, Douglas |
| Source | 100p. in various pagings |
| Corporate Creator | Arizona State University; Arizona. Department of Transportation; United States. Federal Highway Administration |
| Publisher | Arizona. Department of Transportation |
| Publication Date | 20080600 |
| Language | English |
| Abstract | This research project addresses the opportunity to contain the escalating costs of concrete materials in construction projects. Both statistical process control and rational acceptance criteria show that quality improvement and cost savings can be achieved. The report presents a comprehensive statistical evaluation of the compressive strength of concrete used in various sectors of the transportation infrastructure in Arizona. The proposed methodology is applicable to the concrete materials specified at other industrial sectors such as privately financed construction projects. Several case studies are conducted based on actual field data to show that performance based specification procedures can be used to improve the quality control process while decreasing the overall construction costs. Three sets of compressive data from various construction projects were selected. These data were evaluated by means of statistical process-control tools while state-of-the-art procedures were utilized to evaluate the strength as a measure of quality. Several acceptance criteria based on the percent within limit (PWL) and operational-characteristic curves (OC) are proposed and evaluated. Various pay factor equations are considered and the historical records are evaluated based on hypothetical pay factor equations. |
| Rosap ID | dot:5629 |
| Rosap URL | https://rosap.ntl.bts.gov/view/dot/5629 |
| TRT Terms | Acceptance tests; Compressive strength; Concrete; Concrete structures; Construction projects; Performance based specifications; Quality control |
| General Subjects | Pay factors; Percent within limits |
| Classification | NTL - HIGHWAY/ROAD TRANSPORTATION - HIGHWAY/ROAD TRANSPORTATION; NTL - HIGHWAY/ROAD TRANSPORTATION - Pavement Management and Performance |
| Geographical Coverage |
Arizona |
| OCLC | 256027012 |
| TRIS Online Accession No |
01111152 |
| Contract Number | SPR-PL-1(69)608 |
| Report Number | FHWA-AZ-08-608 |
| Resource type | Tech Report |
| URL | https://ntlrepository.blob.core.windows.net/lib/30000/30600/30616/AZ608.pdf |
| Alternative URL | http://www.azdot.gov/TPD/ATRC/publications/project_reports/PDF/AZ608.pdf |
| Format | |
| Database | NTL Digital Repository |