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FIELD TESTS OF A LARGE-SPAN METAL CULVERT.
| 题名： | FIELD TESTS OF A LARGE-SPAN METAL CULVERT. |
| 作者： | Webb-MC; Selig-ET; Sussmann-JA; McGrath-TJ |
| 关键词： | BACKFILL-SOILS; COMPACTION-; CORRUGATED-STEEL; DEFORMATION-; DENSITY-; FIELD-TESTS; FILL-DEPTH; LIVE-LOADS; LOAD-AND-RESISTANCE-FACTOR-DESIGN-LRFD; METAL-ARCH-CULVERTS; METAL-CULVERTS; MOMENTS-MECHANICS; PRESSURE-; SOIL-STRUCTURE-INTERACTION; SPECIFICATIONS-; STRAIN-MECHANICS; TEMPERATURE-; THRUST- |
| 摘要： | Full-scale field tests were conducted on a 9.5-m (31-ft 2-in.) span low-profile arch culvert to provide input for development of improved large-span culvert load and resistance factor design specifications. The test structure was constructed of 5.5-mm (0.215-in.) thick black steel plate with 152 x 51 mm (6 x 2 in.) corrugations. No supplemental circumferential or longitudinal stiffeners were added. Two tests were conducted with SW backfill material, one each compacted to 87% and 92% of maximum standard Proctor density. Live-load tests were conducted with a truck with tandem axles loaded to 156 kN (35,000 lb) per axle at depths of fill of 0.3, 0.6, and 0.9 m (1, 2, and 3 ft). Measurements were made of culvert deformation, culvert strain, culvert-soil interface pressure, soil density, soil strain, foundation movement, and temperature. Thrusts and moments were determined from the culvert strain. |
| 总页数： | Transportation Research Record. 1999. (1656) pp14-24 (10 Fig., 8 Ref.) |
| 报告类型： | 科技报告 |
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