ridge Design and Evaluation by Gongkang Fu Assume that the positive bending moment calculated from first strength limit state is 20 kN-m while the value of first service limit state designing positive moment is 12 kN-m for a slab bridge deck having a thickness of 225 mm. The thickness of top integral wearing surface is 13 mm. Determine the governing spacing of 20 mm diameter bar if the concrete cylinder specimens tested in accordance with ASTM C39 will have an average value of 24 MPa and the value of tensile strength of rebar is 372 MPa having a TS/YS ratio of 1.35. Use AASHTO Specifications.
ridge Design and Evaluation by Gongkang Fu Assume that the positive bending moment calculated from first strength limit state is 20 kN-m while the value of first service limit state designing positive moment is 12 kN-m for a slab bridge deck having a thickness of 225 mm. The thickness of top integral wearing surface is 13 mm. Determine the governing spacing of 20 mm diameter bar if the concrete cylinder specimens tested in accordance with ASTM C39 will have an average value of 24 MPa and the value of tensile strength of rebar is 372 MPa having a TS/YS ratio of 1.35. Use AASHTO Specifications.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Bridge Design and Evaluation by Gongkang Fu
Assume that the positive bending moment calculated from first strength limit state is 20 kN-m while the value of first service limit state designing positive moment is 12 kN-m for a slab bridge deck having a thickness of 225 mm. The thickness of top integral wearing surface is 13 mm.
Determine the governing spacing of 20 mm diameter bar if the concrete cylinder specimens tested in accordance with ASTM C39 will have an average value of 24 MPa and the value of tensile strength of rebar is 372 MPa having a TS/YS ratio of 1.35. Use AASHTO Specifications.
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