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Infrastructure Research Institute Scholarly Works: Recent submissions
Now showing items 81-100 of 339
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Internal Curing and Supplementary Cementitious Materials in Bridge Decks
(American Concrete Institute, 2017-10)Supplementary cementitious materials (SCMs) in conjunction with pre-wetted fine lightweight aggregate to provide internal curing are being increasingly used to produce high-performance, low-shrinking concrete to ... -
Low-Cracking High-Performance Concrete (LC-HPC) for Durable Bridge Decks
(American Concrete Institute, 2017-10)The goal of this study was to implement cost-effective techniques for improving bridge deck service life through the reduction of cracking. Work was performed both in the laboratory and in the field, resulting ... -
Corrosion-Induced Concrete Cracking for Uncoated and Galvanized Reinforcing Bars
(American Concrete Institute, 2018-11)Corrosion-related cracking in reinforced concrete is caused by expansive corrosion products and the resulting tensile stresses. While the amount of corrosion to cause cracking has been studied for uncoated conventional ... -
Effect of Crack-Reducing Technologies and Supplementary Cementitious Materials on Settlement Cracking of Plastic Concrete and Durability Performance of Hardened Concrete
(University of Kansas Center for Research, Inc., 2019-09)The effects of crack-reducing technologies and supplementary cementitious materials on plastic settlement cracking and the durability of concrete subjected to freezing and thawing were evaluated. The study of settlement ... -
Effects of Internal Curing, Slag, and Silica Fume on Concrete Shrinkage
(American Concrete Institute, 2018-07)The shrinkage of mixtures containing replacements of total aggregate with prewetted lightweight aggregate (LWA) (0, 8, and 10% by volume) and replacements of cement with Grade 100 slag cement (0 and 30% by volume) and ... -
Corrosion-Induced Concrete Cracking for Uncoated and Galvanized Reinforcing Bars
(American Concrete Institute, 2018-11)Corrosion-related cracking in reinforced concrete is caused by expansive corrosion products and the resulting tensile stresses. While the amount of corrosion to cause cracking has been studied for uncoated conventional ... -
Effect of Supplementary Cementitious Materials on Chloride Threshold and Corrosion Rate of Reinforcement
(American Concrete Institute, 2019-01-01)Supplementary cementitious materials (SCMs) are commonly used as a means of reducing cost, reducing environmental impact, or reducing permeability of concrete, but the current field of research has found mixed results ... -
Construction Of Low-Cracking High-Performance Bridge Decks Incorporating New Technology
(University of Kansas Center for Research, Inc., 2019-06-01)Construction and early-age crack evaluations of four bridge decks in Minnesota placed from 2016 to 2018 that incorporate specifications for Internally-Cured Low-Cracking High-Performance Concrete (IC-LC-HPC) are documented ... -
Development of a Precision Statement for ASTM A1061
(University of Kansas Center for Research, Inc., 2019-05)An interlaboratory study involving 19 laboratories was conducted to quantify the precision of ASTM A1061-16, Standard Test Methods for Testing Multi-wire Steel Prestressing Strand. This standard includes methods for measuring ... -
Synthesis of Rating Methodologies for Concrete Bridges without Plans
(University of Kansas Center for Research, Inc., 2019-05)In response to Federal Highway Administration requirements, many states are confronted with assigning load ratings to large numbers of concrete bridges that do not have plans. The AASHTO Manual for Bridge Evaluation does ... -
Conventional and High-Strength Headed Bars—Part 2: Data Analysis
(American Concrete Institute, 2019-05)Equations to characterize the anchorage strength of headed bars were developed, incorporating key factors affecting anchorage strength: concrete compressive strength; embedment length; bar diameter; spacing between the ... -
Conventional and High-Strength Headed Bars—Part 1: Anchorage Tests
(American Concrete Institute, 2019-05)Results of an experimental program on the anchorage strength of headed reinforcing bars are presented. Two hundred and two exterior beam-column joint specimens with concrete compressive strengths ranging from 3960 to 16,030 ... -
RC Coupling Beams with High-Strength Steel Bars: Summary of Test Results
(University of Kansas Center for Research, Inc., 2019-01)The use of high-strength steel bars in reinforced concrete coupling beams is expected to reduce reinforcement congestion. A series of tests was conducted to investigate the effects of high-strength reinforcement on coupling ... -
Controlling Cracks in Bridge Decks
(University of Kansas Center for Research, Inc., 2018-12)Laboratory studies incorporating crack-reducing technologies with those included in specifications for low-cracking high-performance concrete (LC-HPC) bridge decks and analyses of data from crack surveys and construction ... -
Use of Innovative Concrete Mixes for Improved Constructability and Sustainability of Bridge Decks, 2010-2013
(University of Kansas Center for Research, Inc., 2013-05)Bridge deck crack surveys were performed on twelve bridges on US-59 south of Lawrence, KS to determine the effects of mixture proportions, concrete properties, deck type, and girder type on the crack density of reinforced ... -
Corrosion Performance of Plain and Epoxy-Coated MMFX Bars
(University of Kansas Center for Research, Inc., 2018-10)The corrosion resistance of ASTM A1035 Type CL (2% Cr), CM (4% Cr), and CS (9% Cr) steel bars produced by MMFX Technologies were evaluated in both cracked and uncracked concrete as well as in the rapid macrocell test. ... -
Diagonally Reinforced Concrete Coupling Beams: Effects of Axial Restraint
(University of Kansas Center for Research, Inc., 2018-09-01)Diagonally reinforced concrete coupling beams are commonly used in mid- and high-rise buildings to connect adjacent structural walls separated by openings. Under lateral loading, these beams can undergo large inelastic ... -
High-Strength Steel Bars in Earthquake-Resistant T-Shaped Concrete Walls
(University of Kansas Center for Research, Inc., 2018-09-01)The object of this study was to determine experimentally the influence of selected reinforcing steel mechanical properties on wall deformation capacity. Four large-scale T-shaped reinforced concrete wall specimens with ... -
Anchorage Strength of Closely Spaced Hooked Bars
(American Concrete Institute, 2018-07)The effect of close spacing on the anchorage strength of standard hooks is investigated. Sixty-seven simulated beam-column joint specimens were tested, each containing three, four, or six No. 5, 8, or 11 (No. 16, 25, or ... -
Mortar Constituent of Concrete in Compression
(American Concrete Institute, 1982-03-01)A study of the behavior of the mortar constituent of concrete under monotonic and cyclic uniaxial compression is summarized. Two mixes were used, with proportions corresponding to concretes with water-cement ratios of 0.5 ...
