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FIELD PERFORMANCE OF INSTRUMENTED CONCRETE PIPE UNDER DEEP BURIAL.
| 题名： | FIELD PERFORMANCE OF INSTRUMENTED CONCRETE PIPE UNDER DEEP BURIAL. |
| 作者： | Hazen-GA; Sargand-SM; Haque-M; Hurd-JO |
| 关键词： | CONCRETE-PIPES; FIELD-PERFORMANCE; BURIED-PIPES; COVER-DEPTH; COMPARISONS-; COMPUTER-PROGRAMS; DESIGN-; CALCULATION-; CONTACT-PRESSURE; DEFLECTION-; FIELD-MEASUREMENTS; THRUST-; MOMENTS- |
| 摘要： | Two 1.524-m-diameter, reinforced concrete pipes were instrumented to compare field results with design calculations. A computer program, Standard Installation Direct Design, developed by the American Concrete Pipe Association was used to design the pipe. Instrumented pipes were completely monitored until 11.9 m of cover had been placed. Measurements of soil contact pressures and vertical and horizontal deflections continued for 6 months. The computer-simulated and observed responses of the buried concrete pipe installations were compared. Pipe contact pressures measured at the invert were much smaller than those assumed from calculations of thrust and moment. Design moments were conservative compared with the experimentally measured values. Thrusts are difficult to calculate accurately and show large experimental variations. |
| 总页数： | Transportation Research Record. 1997. (1594) pp224-234 (11 Fig., 3 Tab., 6 Ref.) |
| 报告类型： | 科技报告 |
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