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Relevant bibliographies by topics / Curling Concrete

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Academic literature on the topic 'Curling Concrete'

Author: Grafiati

Published: 4 June 2021

Last updated: 2 February 2022

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Journal articles on the topic "Curling Concrete"

1

Hou, Xiang Shen, Xin Kai Li, Bo Peng, and Guang Hui Deng. "Research of Zero Stress Temperature Gradient in Cement Concrete Pavement." Advanced Materials Research 723 (August 2013): 163–70. http://dx.doi.org/10.4028/www.scientific.net/amr.723.163.

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There is no temperature stress and temperature curling according to the present cement concrete pavement design, when the temperature gradient of cement concrete pavement in service is zero, and it does not consider the effect of Built-in curling caused in early-age setting process of cement concrete to cement concrete pavement in service. In fact, there is Built-in curling in cement concrete slab when it is after the completion of the cement concrete slab is poured, and the curling is mainly upward. It is in the setting process, when cement concrete is on the final set, the cement concrete is at the critical moment when is just able to bear load, and it exists temperature gradient but no strain in the pavement slab, the temperature gradient is known as "Built-in construction temperature gradient" in AASHTO2002 design guidance, and it is the important part of the Built-in curling. In this paper, cement concrete beam specimens were poured in outdoor and temperature sensor and strain sensor were buried in the cement concrete specimens to detect early-age internal temperature field and strain field, and then the study of Built-in curling and Built-in construction temperature gradient were carried out.

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Lee, Peter, Ying H. Chui, Ian Smith, Noel Mailvaganam, and Gerry Pernica. "NotePrediction of early age curling in thin concrete topping over wood floor systems." Canadian Journal of Civil Engineering 29, no. 4 (August 1, 2002): 622–26. http://dx.doi.org/10.1139/l02-054.

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This paper presents finite element simulations of curling of unreinforced concrete topping laid over wood floor systems. The finite analysis consists of two parts. The first part calculates the relative moisture distribution with respect to the age of the concrete, while the second determines the topping curling deformation based on modulus of elasticity, density, and shrinkage of the concrete. With the finite element model the curling profile at any point in time can be predicted. Predictions agree reasonably well with measurements from a full-sized wood floor with a thin concrete topping. A model-based parametric study was performed. For the floor size investigated the results of the parametric study indicate that curling is greatly influenced by topping thickness and relative humidity of the surrounding air. Although the modelling as discussed is a preliminary approach, it provides a basis for further enhancements that will address factors such as creep and relaxation of concrete and deformation of the underlying floor system. Key words: finite element analysis, concrete topping, wood floor, curling, shrinkage.

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Qiang, Wang. "Measurement and Analysis of Concrete Curling Slab Using Imbedded Sensors." Applied Mechanics and Materials 742 (March 2015): 95–98. http://dx.doi.org/10.4028/www.scientific.net/amm.742.95.

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A series of accelerated full-scale tests on rigid pavement were conducted to evaluate the concrete slab curling effects on the pavement design. Data from deflection sensors and embedded strain gages were acquired and analyzed along with the observed performance data. The collected data can be used for identifying the slab corner cracking and potentially giving the slab curling amount. Traffic tests were simulated using the finite element method in three dimensions and compared with sensor readings. A comparison of maximum tensile stresses between the curling slab and flat slab was performed. It was found that the critical stresses are located near the longitudinal joint in the curling model, the same as the distress observation of concrete slab.

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Zhang, Qing, Yun Chen Sun, and Jing Jing Li. "Analysis on Void Beneath Curling Slab in Rigid Base Cement Concrete Pavement and Fatigue Life Prediction." Applied Mechanics and Materials 204-208 (October 2012): 1782–88. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.1782.

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The damages in two rigid base cement concrete pavement were investigated. The data analysis suggests that the void beneath curling slab resulting from the temperature gradient changing leads to pavement damages. With the benefit of the pavement curling structure numerical model established in this article, the void changing law beneath curling slab and loading stress were analyzed. The loading stress level increases dramatically due to void occurring beneath curling slab. The calculation method of loading stress in the curling slab was given. The fatigue life analysis further reveals that the void beneath curling slab caused by temperature gradient changes is the fundamental reason for the decreasing of the service life of cement concrete pavement. The service life of investigating section were predicted and analyzed according to the fatigue life prediction model established in this article and the survey data.

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Tang, Tianxi, Dan G. Zollinger, and Sanjaya Senadheera. "Analysis of Concave Curling in Concrete Slabs." Journal of Transportation Engineering 119, no. 4 (July 1993): 618–33. http://dx.doi.org/10.1061/(asce)0733-947x(1993)119:4(618).

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Lee, Chang Joon, David A. Lange, and Yi-Shi Liu. "Prediction of moisture curling of concrete slab." Materials and Structures 44, no. 4 (September 21, 2010): 787–803. http://dx.doi.org/10.1617/s11527-010-9665-x.

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7

Nishizawa, Tatsuo, Tadashi Fukuda, Saburo Matsuno, and Kenji Himeno. "Curling Stress Equation for Transverse Joint Edge of a Concrete Pavement Slab Based on Finite-Element Method Analysis." Transportation Research Record: Journal of the Transportation Research Board 1525, no. 1 (January 1996): 35–43. http://dx.doi.org/10.1177/0361198196152500105.

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In the design of concrete pavement, curling stresses caused by the temperature difference between the top and bottom surfaces of the slab should be calculated at the transverse joint edge in some cases. However, no such equation has been developed in the past. Accordingly, a curling stress equation was developed based on stress analysis using the finite-element method (FEM). In this FEM analysis, a concrete pavement and its transverse joint were expressed by means of a thin plate–Winkler foundation model and a spring joint model, respectively. Multiregression analysis was applied to the results of the FEM numerical calculation and, consequently, a curling stress equation was obtained. After comparing the calculated results of the equation with curling stress equations developed in the past, it was confirmed that the equation was valid and practical.

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Kodikara, J. K., H. Nahlawi, and A. Bouazza. "Modelling of curling in desiccating clay." Canadian Geotechnical Journal 41, no. 3 (June 1, 2004): 560–66. http://dx.doi.org/10.1139/t04-015.

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This paper investigates the significant curling that occurs when thin soil layers undergo desiccation. Curling deformations, in the form of (1) lifting off from the edges (generating a concave surface), or (2) lifting off from the middle (creating a convex surface), are reported in the drying of soft soil and concrete pavements in the field. This paper presents experimental observations of significant curling of both forms 1 and 2 in wet soil specimens under controlled drying conditions. A theoretical explanation for curling is presented on the basis of unsaturated soil mechanics. The curling was primarily attributed to differential shrinkage strain increments that occur down the soil profile and their variation with the progression of desiccation. Making use of nonlinear elasticity theory under large deformations and measured properties, the shrinkage and curling deformations were modelled using the FLAC (Fast Lagrangian Analysis of Continua) computer program. The modelling approach appears to capture the observed behaviour of curling during desiccation.Key words: shrinkage, clay, curling, suction, desiccation, moisture migration.

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Rollings, Raymond S. "Curling Failures of Steel‐Fiber‐Reinforced Concrete Slabs." Journal of Performance of Constructed Facilities 7, no. 1 (February 1993): 3–19. http://dx.doi.org/10.1061/(asce)0887-3828(1993)7:1(3).

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Aure, Temesgen W., and Anastasios M. Ioannides. "Curling effects on concrete slab-on-grade fracture." Materials and Structures 49, no. 8 (August 28, 2015): 2991–3004. http://dx.doi.org/10.1617/s11527-015-0700-9.

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Dissertations / Theses on the topic "Curling Concrete"

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Siddique, Zahidul Quadir. "Finite element simulation of curling on concrete pavements /." Search for this dissertation online, 2004. http://wwwlib.umi.com/cr/ksu/main.

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Hong, Tao. "Edge curling effect on interface delamination of concrete overlays for bridge decks." Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4897.

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Thesis (M.S.)--West Virginia University, 2006.
Title from document title page. Document formatted into pages; contains x, 131 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 114-117).

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Goldsberry, Benjamin M. "Thermal effect curling of concrete pavements on U.S. 23 test road (DEL 23-17.28." Ohio : Ohio University, 1998. http://www.ohiolink.edu/etd/view.cgi?ohiou1176832475.

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Aure, Temesgen W. "Numerical Analysis of Cracking in Concrete Pavements Subjected to Wheel Load and Thermal Curling." University of Cincinnati / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1382427417.

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Waters, Tenli. "Typical and Darkened Portland Cement Concrete Pavement: Temperature, Moisture, and Roughness Analyses." BYU ScholarsArchive, 2016. https://scholarsarchive.byu.edu/etd/6091.

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The objectives of this research were to 1) investigate the effects of lower concrete albedo on the thermal behavior of concrete pavement by directly comparing temperatures and moisture contents of typical and darkened concrete pavements and 2) investigate changes in roughness of both typical and darkened concrete pavements as a result of changes in temperature and moisture gradients. The scope of the research included instrumentation, testing, and analysis of typical and darkened concrete pavements constructed in northern Utah.Procedures related to field testing included infrared thermography, thermocouple readings, sensor data collection, and roughness surveys. Elevation surveys and albedo measurements were also performed to further characterize the site. Procedures related to laboratory testing included elastic modulus, compressive strength, rapid chloride permeability, thermal conductivity, and Schmidt rebound hammer testing of cylinders prepared from typical and darkened concrete.When considered over the entire monitoring period, the average surface temperatures of the darkened pavement were higher than those of the typical pavement by 3.3°F, and the average subsurface temperatures of the darkened pavement were higher than those of the typical pavement by 3.1°F. A strong positive correlation exists between the air temperature and both the surface and the subsurface pavement temperatures. The difference between both the surface and subsurface temperatures of the darkened and typical pavements decreases as the air temperature decreases. The results of a simple linear regression suggest that, when the air temperature is 32°F, the surface temperature of the darkened concrete is just 0.2°F higher than that of the typical concrete and the subsurface temperature of the darkened concrete is 1.1°F higher than that of the typical concrete. The difference in surface temperature is expected to be 0°F when the air temperature is 30.5°F, while the difference in subsurface temperature is expected to be 0°F when the air temperature is 17.9°F. Therefore, the darkened pavement is unlikely to melt snow and ice faster than the typical pavement or provide significantly greater frost protection to subsurface layers and buried utilities during winter for conditions similar to those in this research. The roughness measurements for the typical pavement exhibit much more daily variability than seasonal variability. The roughness measurements for the darkened pavement also exhibit more daily variability than seasonal variability but less overall variability than that of the typical pavement. Neither pavement temperature gradient nor moisture gradient appears to be correlated to roughness for either the typical pavement or the darkened pavement.

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Ambrosino, Joel D. "Evaluation of Rigid Pavement Rehabilitation Methods Using an Unbonded Concrete Overlay." Ohio University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1180983082.

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7

Darestani, Mostafa Yousefi. "Response of concrete pavements under moving vehicular loads and environmental effects." Queensland University of Technology, 2007. http://eprints.qut.edu.au/16662/.

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The need for modern transportation systems together with the high demand for sustainable pavements under applied loads have led to a great deal of research on concrete pavements worldwide. Development of finite element techniques enabled researchers to analyse the concrete pavement under a combination of axle group loadings and environmental effects. Consequently, mechanistic approaches for designing of concrete pavements were developed based on results of finite element analyses. However, unpredictable failure modes of concrete pavements associated with expensive maintenance and rehabilitation costs have led to the use of empiricalmechanistic approach in concrete pavement design. Despite progressive knowledge of concrete pavement behaviour under applied loads, concrete pavements still suffer from deterioration due to crack initiation and propagation, indicating the need for further research. Cracks can be related to fatigue of the concrete and/or erosion of materials in sub-layers. Although longitudinal, midedge and corner cracks are the most common damage modes in concrete pavements, Austroads method for concrete pavement design was developed based on traditional mid-edge bottom-up transverse cracking introduced by Packard and Tayabji (1985). Research presented in this thesis aims to address the most common fatigue related distresses in concrete pavements. It uses comprehensive finite element models and analyses to determine the structural behaviour of concrete pavements under vehicular loads and environmental effects. Results of this research are supported by laboratory tests and an experimental field test. Results of this research indicate that the induced tensile stresses within the concrete pavement are significantly affected by vehicle speed, differential temperature gradient and loss of moisture content. Subsequently, the interaction between the above mentioned factors and concrete damage modes are discussed. Typical dynamic amplifications of different axle groups are presented. A new fatigue test setup is also developed to take into consideration effects of pavement curvature on fatigue life of the concrete. Ultimately, results of the research presented in this thesis are employed to develop a new guide for designing concrete pavements with zero maintenance of fatigue damage.

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"Exploratory Study of Distortionary Corrective Modification of Concrete Contraction Joints Through Infused Polymerized Siloxanes-Based Compounds." Doctoral diss., 2019. http://hdl.handle.net/2286/R.I.53684.

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abstract: Deformation during hydration of concrete includes curling at joints and terminations. Previous research has explored mix designs, chemical additives, and other material factors to minimize slab distortion due to curling. This research study explores the development and use of externally applied silicone-based compounds after both the placing and cutting of joints. This exploratory study presents the results of controlled testing and a field study results that include distortion of contraction joints as measured with a Spectra LL300N under existing environmental conditions. Specifically, the study presents the results of a side-by-side test of two slabs, a base case, and a silicone-altered case, as well as field measures of two large commercial buildings using the developed methods. The results of the study show reduced distortion due to curling as compared to standard comparative slabs and warrant the continued exploration and testing of the concept.
Dissertation/Thesis
Doctoral Dissertation Civil, Environmental and Sustainable Engineering 2019

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Books on the topic "Curling Concrete"

1

Ceylan, Halil. Impact of curling, warping, and other early-age behavior on concrete pavement smoothness: Early, frequent, and detailed (EFD) study. Ames, Iowa: Center for Transportation Research and Education, Iowa State University, 2005.

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Book chapters on the topic "Curling Concrete"

1

Garber, George. "Curling." In Design and Construction of Concrete Floors, 219–25. Elsevier, 2005. http://dx.doi.org/10.1016/b978-075066656-5/50014-4.

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"Curling." In Design and Construction of Concrete Floors, Second Edition, 229–36. CRC Press, 2006. http://dx.doi.org/10.1201/b12843-23.

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Conference papers on the topic "Curling Concrete"

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Siddique, Zahidul, Mustaque Hossain, and Dave Meggers. "Curling and Curling Stresses of New Concrete Pavements." In Airfield and Highway Pavements Specialty Conference 2006. Reston, VA: American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40838(191)57.

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Lange, D. A., C. J. Lee, and Y. Liu. "Prediction of Moisture Curling of Concrete Slabs for Airfield Applications." In Airfield and Highway Pavements Specialty Conference 2006. Reston, VA: American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40838(191)56.

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Weiss, W. Jason. "Thoughts on Curling in Plain and SRA Concrete Slabs: Moisture Gradients, Surface Tension, and Viscosity." In 10th International Conference on Mechanics and Physics of Creep, Shrinkage, and Durability of Concrete and Concrete Structures. Reston, VA: American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479346.038.

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Zhang, Xiao. "Effects of Base Characteristics on Curling Stresses of Continuously Reinforced Concrete Pavements." In The Twelfth COTA International Conference of Transportation Professionals. Reston, VA: American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412442.323.

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5

Tian, Kexin, Bo Yang, Daniel King, Halil Ceylan, and Sungwhan Kim. "Characterization of Curling and Warping Influence on Smoothness of Jointed Plain Concrete Pavements." In International Airfield and Highway Pavements Conference 2021. Reston, VA: American Society of Civil Engineers, 2021. http://dx.doi.org/10.1061/9780784483503.011.

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Li, Xinkai, Songlin Ma, and Xiangshen Hou. "The Analysis of Dowel and Tie Bars Effects on Curling Up in Concrete Pavement Slabs." In Ninth International Conference of Chinese Transportation Professionals (ICCTP). Reston, VA: American Society of Civil Engineers, 2009. http://dx.doi.org/10.1061/41064(358)356.

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