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Infrastructure Research Institute Scholarly Works
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This collection contains technical reports and publications of the Infrastructure Research Institute.
Recent Submissions
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Compression Lap Splices and Compression Development of Headed and Hooked Bars in Beam-Column Joints
(University of Kansas Center for Research, Inc., 2024-07)ACI 318-19 Building Code provisions for compression lap splices and for headed and hooked bar development in special moment frame (SMF) joints were evaluated against databases of test results. Recommendations are made for ... -
Development of Large High-Strength Reinforcing Bars with Standard Hooks and Heads
(University of Kansas Center for Research, Inc., 2023-07)Hooked and headed reinforcing bars are viable alternatives for development of reinforcing steel when member geometry does not allow for a straight deformed bar to fully develop its yield strength. Current design provisions ... -
Evaluation of Cracking Performance of Bridge Decks With And Without Overlays and With and Without Fibers
(University of Kansas Center for Research, Inc., 2024-05)Ninety-three spans on 19 bridges, constructed between 2013 and 2020, were surveyed for cracks. The decks were constructed on either steel or prestressed concrete girders. The spans were constructed with or without overlays, ... -
Long-term Implications of Redecking Bridges with Prestressed Concrete Girders
(University of Kansas Center for Research, Inc., 2024-03)Precast/prestressed concrete girders with cast-in-place decks are commonly used for bridge construction throughout the United States. There is a need to replace concrete decks on many of these bridges because girders last ... -
Bond Behavior of Epoxy-Coated Reinforcing Bars in Non-Proprietary UHPC
(Oklahoma Department of Transportation, 2023-10)Non-proprietary ultra-high-performance concrete (UHPC) mixtures were developed for use in closure strips between precast members on reinforced concrete bridges. The mixtures contained ODOT approved Type I portland cement, ... -
Construction of Low-Cracking High-Performance Bridge Decks Incorporating New Technology Phase II
(Kansas Department of Transportation, 2023-12)The construction, crack surveys, and evaluation of 12 bridge decks with internal curing provided by prewetted fine lightweight aggregate and supplementary cementitious materials following internally cured low-cracking ... -
DATASET: Test Results from Shake Table Tests of Reinforced Concrete Frames with Grade 60 or 100 (420 or 690) Reinforcement
(University of Kansas, 2023-12-13)This dataset reports the acceleration and displacement data collected during tests of two reinforced concrete frames that differed in one way: the longitudinal bars were Grade 60 (420) in C1 and Grade 100 (690) in H1. The ... -
Chord Rotation Capacity and Strength of Diagonally Reinforced Concrete Coupling Beams
(American Concrete Institute, 2023-11)A database of results from 27 tests of diagonally reinforced concrete coupling beams was analyzed to develop improved force-deformation envelopes (backbone curves) for modeling and analysis of coupling beams. The database, ... -
Evaluation of Multiple Corrosion Protection Systems for Reinforced Concrete Bridge Decks
(University of Kansas Center for Research, Inc., 2023-07)This study evaluated the corrosion resistance of epoxy-coated (ASTM A775), hot-dip galvanized (ASTM A767), and continuously galvanized (ASTM A1094) reinforcement, and the conventional reinforcement (ASTM A615) used to ... -
Effects of Total Internal Water Content on Freeze-Thaw Durability and Scaling Resistance of Internally-Cured Concrete
(University of Kansas Center for Research, Inc., 2023-07)The effects of total internal (TI) water, provided by normalweight coarse and fine aggregates and pre-wetted fine lightweight aggregate (LWA), in the range of 6.8 to 17.3%, corresponding to internal curing (IC) water in ... -
Anchorage of Large High-Strength Reinforcing Bars with Standard Hooks and Heads: Initial Tests
(University of Kansas Center for Research, Inc., 2020-02)The reaction frame to be used to test No. 14 and No. 18 bar beam-column joint specimens, the modified reaction frame used to test initial No. 11 beam-column joint specimens, and the design of beam-column joint specimens ... -
A Finite Element Model to Study the Microscopic Behavior of Plain Concrete
(University of Kansas Center for Research, Inc., 1976-11)The object of this study is to develop a finite element model of non-homogeneous concrete, consisting of mortar and aggregate, for in-plane loading conditions. Linear elastic properties of aggregate and nonlinear properties ... -
Minimum Joint Depth for Moment Frames with High-Strength Materials
(American Concrete Institute, 2023-01-01)This paper reports results from four large-scale interior beam column connections without transverse beams or slabs tested under reversed cyclic displacements. The specimens, which included the first of interior beam-column ... -
Anchorage of High-Strength Reinforcing Bars in Concrete
(University of Kansas Center for Research, Inc., 2023-01)Hooked and headed reinforcing bars are commonly used as a means of shortening development length of reinforcing bars, but a limited amount of previous research has resulted in restrictions on their use in practice. This ... -
Effects of Concrete Tail Cover and Tail Kickout on Anchorage Strength of 90-Degree Hooks
(American Concrete Institute, 2021-11-01)The effects of concrete tail cover and tail kickout on the anchorage strength of hooked bars were investigated. The study included 195 simulated beam-column joint specimens containing two No. 5, 8, or 11 (No. 16, 25, or ... -
Internally-Cured Low-Cracking High-Performance Concrete (IC-LC-HPC) Bridge Decks: Durability and Cracking Performance
(University of Kansas Center for Research, Inc., 2023-01)The laboratory portion of this study investigates the effects of internal curing (IC) water in pre-wetted lightweight aggregates (LWA) between 8.2 and 9.0% and between 12.0 and 13.1% by weight of binder and total internal ... -
Evaluation of Cracking Performance of Bridge Decks Incorporating Nonmetallic Fibers
(University of Kansas Center for Research, Inc., 2022-07)The Minnesota Department of Transportation (MnDOT) identified 20 monolithic (onecourse) bridge decks, constructed between 2015 and 2018, for cracking surveys to investigate the effectiveness of nonmetallic fibers in reducing ... -
Chloride Content and Carbonation of KU Memorial Stadium Cores
(University of Kansas Center for Research, Inc., 2022-08)Three cores were taken from KU Memorial Stadium on 08/17/22 by personnel from Wiss, Janney, Elstner Associates and analyzed for water-soluble chloride content and depth of carbonation. Cores A4 and B4 were taken from ... -
Low-Shrinkage Ultra-High-Performance Concrete
(University of Kansas Center for Research, Inc., 2022-08)Ultra-high-performance concrete (UHPC) has been used increasingly in the past decade due to its high strength, rapid strength gain, and enhanced durability. UHPC is a cement-based material that typically has a low w/cm ... -
Rapid Macrocell Tests of 2304 Reinforcing Bars
(University of Kansas Center for Research, Inc., 2022-05)The corrosion resistance of 2304 reinforcing steel (Heat 200401A02E) was evaluated using the rapid macrocell test outlined in Annexes A1 and A2 of ASTM A955. The steel met the corrosion resistance requirements outlined in ...
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