A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Cyclic Behavior and Seismic Design of Steel H-Piles. Final Report of the Project
This document presents results of cyclic tests of three vertical pile specimens and two battered steel h-pile specimens. The specimens consisted of HP14x89, A36 piles with reinforced concrete pile caps. The specimens represented the upper 20 feet of piles, just below the pile cap, where the medium around the pile was assumed to be water or soft soil not providing any noticeable bracing for steel piles over this length. The specimens were subjected to vertical and horizontal cyclic displacements simulating the displacements that can occur in a major earthquake. The vertical steel piles in the specimens were 20-ft long bending about strong axis, 45 deg. -axis and weak axis respectively. The two battered pile specimens has 3/12 batter angle and were subjected to bending about strong and weak axis respectively. The main objective of this research and development program was to investigate the actual cyclic behavior and low-cycle fatigue life of steel H-Piles. An additional goal of this research program was to establish M-P curves for the steel piles. The report contains moment-curvature relationships for the plastic hinges in the piles and procedures for seismic analysis and design of steel H-piles. The procedures were used effectively in seismic retrofit of Carquinex bridges resulting in direct saving of $5.1M. in retrofit cost.
Cyclic Behavior and Seismic Design of Steel H-Piles. Final Report of the Project
This document presents results of cyclic tests of three vertical pile specimens and two battered steel h-pile specimens. The specimens consisted of HP14x89, A36 piles with reinforced concrete pile caps. The specimens represented the upper 20 feet of piles, just below the pile cap, where the medium around the pile was assumed to be water or soft soil not providing any noticeable bracing for steel piles over this length. The specimens were subjected to vertical and horizontal cyclic displacements simulating the displacements that can occur in a major earthquake. The vertical steel piles in the specimens were 20-ft long bending about strong axis, 45 deg. -axis and weak axis respectively. The two battered pile specimens has 3/12 batter angle and were subjected to bending about strong and weak axis respectively. The main objective of this research and development program was to investigate the actual cyclic behavior and low-cycle fatigue life of steel H-Piles. An additional goal of this research program was to establish M-P curves for the steel piles. The report contains moment-curvature relationships for the plastic hinges in the piles and procedures for seismic analysis and design of steel H-piles. The procedures were used effectively in seismic retrofit of Carquinex bridges resulting in direct saving of $5.1M. in retrofit cost.
Cyclic Behavior and Seismic Design of Steel H-Piles. Final Report of the Project
A. Astaneh-Asl (author) / S. Ravat (author)
1998
136 pages
Report
No indication
English
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