We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Seismic Performance of Precast Columns with Mechanically Spliced Column-Footing Connections.
- Authors
Haber, Zachary B.; Saiidi, M. Saiid; Sanders, David H.
- Abstract
This paper presents the results from a large-scale experimental study that was conducted at the University of Nevada, Reno, NV. Five half-scale bridge column models were constructed and tested under reversed slow cyclic loading. The study focused on developing four new moment connections at column-footing joints for accelerated bridge construction in regions of high seismicity. The new connections were employed in precast columns, each using mechanical splices to create connectivity with reinforcing bars in a cast-in-place footing. Two different mechanical splices were studied: an upset headed coupler and a grout-filled sleeve coupler. Along with the splice type, the location of couplers within the plastic hinge zone was also a test variable. All precast models were designed with the intent to emulate conventional cast-in-place construction and, thus, were compared with a conventional cast-inplace test model. Results indicate the behavior of these new connections was similar to that of conventional cast-in-place construction with respect to key response parameters, although the plastic hinge mechanism could be significantly affected by the couplers.
- Subjects
BRIDGE design &; construction; PRECAST concrete; PRECAST concrete construction; STRENGTH of material testing; HINGES
- Publication
ACI Structural Journal, 2014, Vol 111, Issue 3, p639
- ISSN
0889-3241
- Publication type
Article
- DOI
10.14359/51686624