Shear Friction Capacity of Corrugated Pipe Connection in Precast Footings

Vieira, Fatima; Garber, David; Florida International University

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Shear Friction Capacity of Corrugated Pipe Connection in Precast Footings

2022-07-01
By Vieira, Fatima ; Garber, David

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English

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Details:

Creators:

Vieira, Fatima ; Garber, David

Vieira, Fatima ; Garber, David Less -
Corporate Creators:

Florida International University
Corporate Contributors:

Florida. Department of Transportation
Subject/TRT Terms:

[+]

Bridge Design Friction Joints (Engineering) Pipe Pocket Connection Precast Concrete Prefabricate Bridge Elements And Systems Shear Friction Shear Properties Socket Connection Strength Of Materials Structural Connection Substructure Substructures
Publication/ Report Number:

BDV29 977-39
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final Report May 2018 to July 2022
Corporate Publisher:

Florida International University
Abstract:

Prefabricated Bridge Elements and Systems (PBES) are being more widely used, as they can significantly reduce on-site construction time impacting traffic. The main concerns when using PBES are the final assembly of the elements, type of connection between them, and tolerance to allow for field fit up. The Florida Department of Transportation (FDOT) currently recommends a pocket connection detail between precast pile caps and precast piles, which relies primarily on the shear friction capacity between the cast in place (CIP) plug and the precast cap. Current code expressions for shear friction include components for cohesion or aggregate interlock and a contribution from steel crossing the interface or a clamping force but were developed primarily on the basis of shear friction tests with steel crossing the interface. In the connection proposed by FDOT, there is no steel crossing the shear friction interface meaning that the shear friction failure in this connection is controlled by the cohesion and interlock of the CIP concrete to precast concrete or surrounding material. An experimental investigation was conducted on 37 small-scale specimens and eight large-scale specimens to investigate the behavior of this interface and the effect of different variables including reinforcement configuration around the pocket, type of pipe used to make the pocket, and surface preparation of the interface. Findings, current code performance, and design recommendations from the experimental work are summarized.
Format:

PDF
Funding:

BDV29 977-39
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:f67df7f21c452d95091dd1c4c59c30fad4c7f7f1c0af0dbad4c8094f9382a54b
Download URL:

https://rosap.ntl.bts.gov/view/dot/65970/dot_65970_DS1.pdf
File Type:

[PDF-23.89 MB]