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MODIFIED PORTLAND CEMENT ASSOCIATION STRESS ANALYSIS AND THICKNESS DESIGN PROCEDURES.
| 题名： | MODIFIED PORTLAND CEMENT ASSOCIATION STRESS ANALYSIS AND THICKNESS DESIGN PROCEDURES. |
| 作者： | Lee-Y-H; Bair-J-H; Lee-C-T; Yen-S-T; Lee-Y-M |
| 关键词： | JOINTED-CONCRETE-PAVEMENTS; STRESS-ANALYSIS; THICKNESS-DESIGN; COMPUTER-PROGRAMS; CURLING-; LOADING-; CASE-STUDIES |
| 摘要： | A new stress analysis and thickness design procedure for jointed concrete pavements was developed. On the basis of Westergaard's edge stress solution and several prediction models for stress adjustments for a variety of loading and environmental (i.e., thermal curling) conditions, a modified Portland Cement Association (PCA) equivalent stress analysis and thickness design procedure was proposed and implemented in a highly user-friendly, Windows-based program, TKUPAV, for practical trial applications. The proposed approach has been further verified by reproducing results very close to the PCA's equivalent stresses and fatigue damages using a spreadsheet program and the TKUPAV program. The possible detrimental effect of loading plus daytime curling has been illustrated in a case study, which also indicated that the effect of thermal curling should be considered in the thickness design of concrete pavements. |
| 总页数： | Transportation Research Record. 1997. (1568) pp77-88 (1 Fig., 9 Tab., 19 Ref.) |
| 报告类型： | 科技报告 |
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