effect of curing methods on autogenous concrete
effect of curing methods on autogenous concrete

Effect of curing methods on autogenous shrinkage and self ...
Effect of curing methods on autogenous shrinkage and self-induced stress of high-performance concrete. / Meddah, Mohammed Seddik; Sato, Ryoichi. In: ACI Materials Journal, Vol. 107, No. 1, 01.2010, p. 65-74. Research output: Contribution to journal › Article › peer-review
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Effect of Curing Methods on Autogenous ... - Concrete
Jan 01, 2010 Title: Effect of Curing Methods on Autogenous Shrinkage and Self-Induced Stress of High-Performance Concrete. Author(s): Mohammed Seddik Meddah and Ryoichi Sato. Publication: Materials Journal. Volume: 107. Issue: 1. Appears on pages(s): 65-74
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Effect of Curing Methods on Autogenous Shrinkage and Self ...
Effect of Curing Methods on Autogenous Shrinkage and Self-Induced Stress of High-Performance Concrete. This article describes how early-age cracking induced by autogenous shrinkage is still the major problem relating to the use of high-performance concrete (HPC) in reinforced concrete structures.
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Effect of Curing Methods on Autogenous Shrinkage and Self ...
This article describes how early-age cracking induced by autogenous shrinkage is still the major problem relating to the use of high-performance concrete (HPC) in reinforced concrete structures. Recent studies have proven that the presaturated recycled porous ceramic coarse aggregate (PCCA) could be successfully used to mitigate autogenous shrinkage of HPC.
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The effect of curing temperature on autogenous deformation ...
May 01, 2020 The second test method was the Dilation Rig, Fig. 1.The Dilation Rig is the dummy specimen following the Temperature-Stress Testing Machine (TSTM), which is designed to measure the concrete stress development in the hardening phase at a given degree of restraint.
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Effect of Curing Methods on Autogenous Shrinkage and Self ...
This article describes how early-age cracking induced by autogenous shrinkage is still the major problem relating to the use of high-performance concrete (HPC) in reinforced concrete structures. Recent studies have proven that the presaturated recycled porous ceramic coarse aggregate (PCCA) could be successfully used to mitigate autogenous shrinkage of HPC.
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The effect of curing temperature on autogenous deformation ...
May 01, 2020 The second test method was the Dilation Rig, Fig. 1.The Dilation Rig is the dummy specimen following the Temperature-Stress Testing Machine (TSTM), which is designed to measure the concrete stress development in the hardening phase at a given degree of restraint.
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Integrative Study on the Effect of Internal Curing on ...
Integrative Study on the Effect of Internal Curing on Autogenous and Drying Shrinkage of High-Strength Concrete Jun Zhang, Yu Dong Han, Yuan Gao, and Yiming Luosun
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Development of High-Performance Concrete for ...
Figure 64. Effect of curing on autogenous shrinkage of mix L1 84 Figure 65. Effect of curing on autogenous shrinkage of mix L2 85 Figure 66. Effect of curing on autogenous shrinkage of mix L3 85 Figure 67. Effect of curing on autogenous shrinkage of mix L4 86 Figure 68. Effect of curing on autogenous shrinkage of mix M1 86 v
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(PDF) THE EFFECT OF CURING METHODS ON COMPRESSIVE STRENGTH ...
Various curing methods selected for this comparative study are immersion, sprinkling, membrane curing by two different brands of ... THE EFFECT OF CURING METHODS ON COMPRESSIVE STRENGTH AND DURABILITY OF CONCRETE. Dr. R Joshi. Download PDF. ... NISTIR 6295 Curing of High-Performance Concrete: Report of the State-of-the-Art.
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Effect of Early Age-Curing Methods on Drying Shrinkage of ...
Drying shrinkage of alkali-activated slag concrete (AASC) is significantly greater than that of concrete made with ordinary Portland cement (OPC). It limits the large-scale application of AASC in field engineering. This study investigates the effect of early age-curing methods, including water curing, curing in elevated-temperature water, and CO2 curing, on drying shrinkage of AASC.
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Effect Of Different Curing Methods On The Compressive ...
Mixture Proportions of Concrete. The normal concrete was prepared based on water cement ratio of 0.50 and a cement content of 340kg/m 3 to obtain a compressive strength greater than 20N/mm 2 at 28 days (Immersion method of curing). Quartzite sand was used with a quantity of 33.33% of total aggregates by weight.
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Effect of internal curing by using superabsorbent polymers ...
Jun 14, 2013 The article presents the results of a round-robin test performed by 13 international research groups (representing fifteen institutions) in the framework of the activities of the RILEM Technical Committee 225-SAP “Applications of Superabsorbent Polymers in Concrete Construction”. Two commercially available SAP materials were used for internal curing of a high-performance, fine
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A Method for Internal Curing Water Calculation of Concrete ...
Apr 09, 2021 According to this method, the effects of internal curing with SAP on autogenous shrinkage and compressive strength of concrete with and without FA are discussed. Furthermore, the degree of hydration of cement pastes, the pore structure of concrete, and the relative humidity inside concrete are evaluated to explain the observed results.
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EFFECT OF CURING METHODS ON EARLY-AGE AND DRYING
The effect of using three different curing methods on the early-age performance of HPC is presented. The curing conditions consisted of air-dry curing, burlap or moist curing, and use of a curing compound. Results show that moist (burlap) curing should be applied within 1 h after the placement of concrete to improve early-age performance.
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Effect of Early Age-Curing Methods on Drying Shrinkage of ...
May 18, 2019 In this paper, the effect of early age-curing methods, including curing in water of different temperature, air curing and CO 2 curing, on drying shrinkage, moisture loss, and strength of AASC was studied. Combined with microscopic test such as SEM, MIP, XRD, and TG-DTG, conclusions could be drawn as follows:
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The effect of shrinkage reducing admixtures on drying ...
Autogenous deformation was the main impetus of early age cracking for the slag concrete, while thermal dilation was the main mechanism for ANL FA. Hence, adding 1% SRA provided a clear reduction in the cracking tendency for the slag concrete, while the SRA-induced effect on early age cracking for the fly ash concrete was less pronounced.
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The effects of using magnetized water in reactive powder ...
Dec 06, 2020 The effects of using magnetized water in reactive powder concrete (RPC) under various curing procedures was investigated. The RPC samples were separated into four groups, cured with three different curing methods compared to normal curing (lab conditions) as a reference procedure, these methods were; autogenous curing, submersion in warm water (35 °C) and curing by applying high
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Self Curing Concrete An Introduction
Internal curing (IC) is a method to provide the water to hydrate all the cement, accomplishing what the mixing water alone cannot do. In low w/c ratio mixes (under 0.43 and increasingly those below 0.40) absorptive lightweight aggregate, replacing some of the sand, provides water that is desorbed into the mortar fraction (paste) to be used as additional curing water.
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Materials Free Full-Text Effect of Curing Methods on ...
In addition, the article examines the effects of internal curing on the 1, 7, 14, 21 and 28 day mechanical properties of concrete, in accordance with EN 196-1 and EN 12390-2. Studies have shown that the optimal amount of shrinkage reducing admixtures is 4% (in relation to the mass of cement), resulting in a reduction in total shrinkage of 23%.
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EFFECT OF POST-FIRE CURING ON THE RESIDUAL
classified as autogenous healing and autonomous healing, respectively. Autogenous healing refers to situations in which concrete is self-healing as the damage can be naturally sealed. The autogenous healing method such as re-curing in water has proven to partly restore the strength of concrete. Schlangen et al. [6]
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(PDF) THE EFFECT OF CURING METHODS ON COMPRESSIVE STRENGTH ...
Various curing methods selected for this comparative study are immersion, sprinkling, membrane curing by two different brands of ... THE EFFECT OF CURING METHODS ON COMPRESSIVE STRENGTH AND DURABILITY OF CONCRETE. Dr. R Joshi. Download PDF. ... NISTIR 6295 Curing of High-Performance Concrete: Report of the State-of-the-Art.
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EFFECT OF CURING METHODS ON EARLY-AGE AND DRYING
The effect of using three different curing methods on the early-age performance of HPC is presented. The curing conditions consisted of air-dry curing, burlap or moist curing, and use of a curing compound. Results show that moist (burlap) curing should be applied within 1 h after the placement of concrete to improve early-age performance.
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Effect of Isothermal Curing on the Compressive
of isothermal sealed curing caused by autogenous and chemical reactions of cementitious materials on concrete, and whether this unusually elevated temperature readings has a debilitating effect on the durability of the structure as well as
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Effect of drying conditions on autogenous shrinkage in ...
Nov 02, 2010 Autogenous strain Effect of curing temperature. Figure 6 shows the autogenous strain for the control mixture (w/c = 0.25) under sealed conditions for the first 7 days at different curing temperatures. Increasing the temperature from 20 to 40°C accelerated the autogenous strain rate during the first 24 h, which could be explained by the ...
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Effect of internal curing by using superabsorbent polymers ...
Jun 14, 2013 The article presents the results of a round-robin test performed by 13 international research groups (representing fifteen institutions) in the framework of the activities of the RILEM Technical Committee 225-SAP “Applications of Superabsorbent Polymers in Concrete Construction”. Two commercially available SAP materials were used for internal curing of a high-performance, fine
get price
(PDF) Effect of drying conditions on autogenous shrinkage ...
Effect of drying conditions on autogenous shrinkage in ultra-high performance concrete at early-age. Materials and Structures, 2011. Ahmed Soliman. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. READ PAPER.
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Curing of Concrete: Purposes, Period, Effects, Factors and ...
Period of Curing: This depends on the type of cement and nature of work. For ordinary Portland cement, the curing period is about 7 to 14 days. If rapid hardening cement is used, the curing period can be considerably reduced. Effects of Improper Curing: Following are the major disadvantages of improper curing of concrete:
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Curing Methods - Concrete New Zealand
Curing Methods. There are three basic ways of curing concrete. The first involves keeping the surface of the concrete moist by the use ponding, spraying/sprinkling, damp sand or damp hessian. The second prevents the loss of moisture from the concrete by covering it with polythene sheeting or leaving the formwork in place.
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Testing and Modeling of Compressive and Tensile ...
Autogenous expansion, observed during the first day for high levels of internal curing, can significantly reduce the risk of cracking in concrete structures, as both the elastic and creep strains ...
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The effect of shrinkage reducing admixtures on drying ...
Autogenous deformation was the main impetus of early age cracking for the slag concrete, while thermal dilation was the main mechanism for ANL FA. Hence, adding 1% SRA provided a clear reduction in the cracking tendency for the slag concrete, while the SRA-induced effect on early age cracking for the fly ash concrete was less pronounced.
get price
The effects of using magnetized water in reactive powder ...
Dec 06, 2020 The effects of using magnetized water in reactive powder concrete (RPC) under various curing procedures was investigated. The RPC samples were separated into four groups, cured with three different curing methods compared to normal curing (lab conditions) as a reference procedure, these methods were; autogenous curing, submersion in warm water (35 °C) and curing by applying high
get price
Development of High-Performance Concrete for ...
Figure 64. Effect of curing on autogenous shrinkage of mix L1 85 Figure 65. Effect of curing on autogenous shrinkage of mix L2 86 Figure 66. Effect of curing on autogenous shrinkage of mix L3 86 Figure 67. Effect of curing on autogenous shrinkage of mix L4 87 Figure 68. Effect of curing on autogenous shrinkage of mix M1 87
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