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Tensile Lap Splices Part I: Retaining Wall Type, Varying Moment Zone

P. M. Ferguson / E. A. Briceno

Thirty-two concrete beams simulating retaining wall stems and containing reinforcing bar lap splices were tested to failure. Twenty-seven beams had no. 11 bar splices, four had no. 8 bar splices, and one had no. 9 main bars spliced to no. 11 dowel bars. Failures were typically of the splitting type. It was concluded that the 1965 AASHO specification for splices does not provide a safe guide unless it is modified. The second part of the report presents a tentative theoretical treatment of lap splice length based on several observed types of splitting failure. (BPR abstract)

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Tensile Lap Splices Part I: Retaining Wall Type, Varying Moment Zone

P. M. Ferguson / E. A. Briceno

Thirty-two concrete beams simulating retaining wall stems and containing reinforcing bar lap splices were tested to failure. Twenty-seven beams had no. 11 bar splices, four had no. 8 bar splices, and one had no. 9 main bars spliced to no. 11 dowel bars. Failures were typically of the splitting type. It was concluded that the 1965 AASHO specification for splices does not provide a safe guide unless it is modified. The second part of the report presents a tentative theoretical treatment of lap splice length based on several observed types of splitting failure. (BPR abstract)

Tensile Lap Splices Part I: Retaining Wall Type, Varying Moment Zone

P. M. Ferguson / E. A. Briceno

Thirty-two concrete beams simulating retaining wall stems and containing reinforcing bar lap splices were tested to failure. Twenty-seven beams had no. 11 bar splices, four had no. 8 bar splices, and one had no. 9 main bars spliced to no. 11 dowel bars. Failures were typically of the splitting type. It was concluded that the 1965 AASHO specification for splices does not provide a safe guide unless it is modified. The second part of the report presents a tentative theoretical treatment of lap splice length based on several observed types of splitting failure. (BPR abstract)

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Title:

Tensile Lap Splices Part I: Retaining Wall Type, Varying Moment Zone

Contributors:

P. M. Ferguson (author) / E. A. Briceno (author)

Publication date:

1969

Size:

32 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Civil Engineering , Reinforcing steels , Retaining walls , Failure , Splices , Beams(Supports) , Concrete structures , Loads(Forces) , Bond stress , Concrete construction , Concrete durability , Cracking(Fracturing) , Design standards , Lap splices

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