Design and Construction Guidelines for by Jonathan T. H. Wu, Kevin Z. Z. Lee, Sam B. Helwany, Kanop

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By Jonathan T. H. Wu, Kevin Z. Z. Lee, Sam B. Helwany, Kanop Ketchart

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Read or Download Design and Construction Guidelines for Geosynthetic-Reinforced Soil Bridge Abutments With a Flexible Facing (Nchrp Report) PDF

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Extra resources for Design and Construction Guidelines for Geosynthetic-Reinforced Soil Bridge Abutments With a Flexible Facing (Nchrp Report)

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7 m long for the abutment. 2 m from the back face of the facing blocks. For loading tests, three steel bridge girders were placed over the top concrete pads of the outer pier and the abutment. Each girder was supported by steel bearing plates resting on the concrete pads. The steel bearing plates were located along the centerline of the top concrete pads. 4 m. A total of 124 concrete blocks was placed on the girders. The total load was 2,340 kN, corresponding to an applied pressure of 232 kPa and 130 kPa on the outer pier and abutment, respectively.

5 0 0 50 100 150 200 250 Applied Load (kPa) Figure 2-25. Reinforcement strains in the Amoco test section. 5 0 0 50 100 150 200 250 Applied Load (kPa) Figure 2-26. Reinforcement strains in the Mirafi test section. 300 350 400 450 41 Contact Pressures on the Rigid Foundation measured contact pressure although the calculated pressures are somewhat higher than the measured average values at higher applied pressures. Figure 2-27 shows the measured contact pressures under different applied pressures at three selected points on the rigid floor of the Mirafi test section.

5 0 0 50 100 150 200 250 Applied Load (kPa) Figure 2-26. Reinforcement strains in the Mirafi test section. 300 350 400 450 41 Contact Pressures on the Rigid Foundation measured contact pressure although the calculated pressures are somewhat higher than the measured average values at higher applied pressures. Figure 2-27 shows the measured contact pressures under different applied pressures at three selected points on the rigid floor of the Mirafi test section. 13 m from the wall face. 25 m from the wall face, which is roughly underneath the front of the sill.

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