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properties and internal curing of concrete containing

properties and internal curing of concrete containing

Properties and Internal Curing of Concrete Containing ...

Properties and Internal Curing of Concrete Containing Recycled Autoclaved Aerated Lightweight Concrete as Aggregate TeewaraSuwan1,2 andPitiwatWattanachai1 1DepartmentofCivilEngineering,FacultyofEngineering,ChiangMaiUniversity,239HuayKaewRoad,MuangDistrict, ChiangMai50200,Thailand

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Properties and Internal Curing of Concrete Containing ...

Jan 01, 2017  Internal curing is an alternative approach introducing internal water reservoir for curing purpose inside the concrete mixtures. It has already been proved that internal curing can significantly enhance the strength and reduce an autogenous shrinkage of the final concrete products [4, 5].

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Properties and Internal Curing of Concrete Containing ...

Properties and Internal Curing of Concrete Containing Recycled Autoclaved Aerated Lightweight Concrete as Aggregate Figure 5 Cutting layout of 15 × 15 × 150 mm. prisms.

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Impacts of Internal Curing on Concrete Properties ...

Internal curing is a relatively recent technique that has been developed to prolong cement hydration by providing internal water reservoirs in a concrete mixture that do not adversely affect the concrete mixture’s fresh or hardened physical properties. Internal curing grew out of the need for more durable structural concretes that

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Internal Curing of Concrete NIST

Nov 15, 2019  The 2004 Practice and Potential of Internal Curing of Concrete Using Lightweight Sand, Advances in Concrete Through Science and Engineering, Northwestern University, Evanston, IL, March 22-24, 2004. Roberts, J.W., High Performance Concrete, Enhancement through Internal Curing, Concrete InFocus, NRMCA, 55-57, Dec. 2005.

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Properties and Internal Curing of Concrete Containing ...

Properties and Internal Curing of Concrete Containing Recycled Autoclaved Aerated Lightweight Concrete as Aggregate Figure 5 Cutting layout of 15 × 15 × 150 mm. prisms.

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Impacts of Internal Curing on Concrete Properties ...

Internal curing is a relatively recent technique that has been developed to prolong cement hydration by providing internal water reservoirs in a concrete mixture that do not adversely affect the concrete mixture’s fresh or hardened physical properties. Internal curing grew out of the need for more durable structural concretes that

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Properties and Internal Curing of Concrete Containing ...

Properties and Internal Curing of Concrete Containing Recycled Autoclaved Aerated Lightweight Concrete as Aggregate . By Teewara Suwan and Pitiwat Wattanachai. Cite . BibTex; Full citation; Publisher: Hindawi Limited. Year: 2017. DOI identifier: 10.1155/2017/2394641. OAI identifier: ...

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INTERNAL CURING EFFECT ON PROPERTIES OF SELF-

internal curing on the mechanical properties of self-compacting concrete, shrinkage strain, permeability and corrosion of rebar has been evaluated. According to the obtained results, the internal curing of self-compacting concrete containing lightweight aggregates reduced or

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Internal Curing: A 2010 State-of-the-Art Review NIST

Feb 09, 2011  While internal curing has been inadvertently included in many lightweight concretes produced within the past 100 years, it is only within the first decade of the 21st century that this technology has been intentionally incorporated into concrete mixtures at the proportioning stage, using a variety of materials including pre-wetted lightweight ...

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Internal Curing Overview - ESCSI

Internal curing does not replace conventional surface curing, but works with it to make concrete more robust. Internal curing can also help compensate for less than ideal weather conditions and poor conventional curing that is often seen in the real world. IC is gaining momentum in all areas of concrete construction including concrete paving ...

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Mechanical Properties of Concrete Containing Ceramsite ...

Sep 21, 2015  Ceramsite sand is a kind of artificial fine lightweight aggregate, which could be used as an effective internal curing material for concrete with low water-binder ratio. In this paper, the mechanical properties of concrete with the water to cement ratio of 0.3, 0.35 and 0.4, in which the natural sand was replaced by ceramsite sand at 20%, 40% ...

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(PDF) Autogenous Deformation and Internal Curing of Concrete

Apr 14, 2003  Internal sealing: A method of curing concrete, which does not need an externally applied curing, but is not bases on adding wa ter to the concrete, was suggested recently [Dhir et al. 1994].

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(PDF) Concrete Containing Natural Pozzolans: New ...

Aug 01, 2012  Self-curing (IC) might be of great advantage by the addition of NP because it can promote the pozzolanic reactions and reduce shrinkage properties of concrete

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Experimental Study on Flexural Behavior of Bacterial ...

B. Hardened Concrete Properties of Internal Curing of Concrete -value of containing LECA and Vermiculite is found to be less than that of control mix. However, it was higher than design strength. Further, similar observations were not made in flexural strength and E-value of internal curing of concrete

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Mechanical strength and durability properties of concrete ...

Nov 30, 2017  1. Introduction. In conventional construction, external curing for concrete is applied after mixing, placing, and finishing. The main purpose of curing is to control the fast hydration process of concrete by keeping favourable moist conditions under a suitable temperature .Proper curing of concrete structures is important to ensure that they meet their intended strength performance and to ...

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Internal Curing of Concrete (Information Sources)

Cusson, D., and Hoogeveen, T., Internal Curing of High-Performance Concrete with Pre-Soaked Fine Lightweight Aggregate for Prevention of Autogenous Shrinkage Cracking , Cement and Concrete Research , 38 , 757-765, 2008. Cusson, D., and Margeson, J., Development of Low-Shrinkage High-Performance Concrete with Improved Durability , In Concrete ...

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Fresh and hardened properties of self-compacting concrete ...

Fresh and hardened properties of self-compacting concrete containing recycled fine clay brick aggregates. ... Due to their porous nature, recycled fine clay brick aggregates may also be a source of additional water for internal curing. The internal curing effect was confirmed by the mercury intrusion porosimetry, X-ray diffraction, and ...

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Mechanical properties of reactive powder concrete ...

This paper investigated the influence of steam curing regimes on the properties of high-strength green concrete (HSGC) containing varying quantities of ultra-fine palm oil fuel ash (U-POFA) from 0 ...

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Properties and Internal Curing of Concrete Containing ...

Properties and Internal Curing of Concrete Containing Recycled Autoclaved Aerated Lightweight Concrete as Aggregate . By Teewara Suwan and Pitiwat Wattanachai. Cite . BibTex; Full citation; Publisher: Hindawi Limited. Year: 2017. DOI identifier: 10.1155/2017/2394641. OAI identifier: ...

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INTERNAL CURING EFFECT ON PROPERTIES OF SELF-

internal curing on the mechanical properties of self-compacting concrete, shrinkage strain, permeability and corrosion of rebar has been evaluated. According to the obtained results, the internal curing of self-compacting concrete containing lightweight aggregates reduced or

get price

Effects of internal curing on the strength, drying ...

Aug 30, 2015  In this study, we used internal curing to improve various properties of concrete containing RCA. Recycled fine aggregates with saturation degrees of 0%, 50% and 100% were studied to investigate the effect of saturation on the concrete’s compressive and split tensile strength and on its freeze–thaw cycle resistance and shrinkage. 2.

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Impacts of Internal Curing on the Performance of Concrete ...

Benefits of this approach include improved mechanical properties as well as reduced risk of moisture gradients, thus reducing the potential for warping. The aim of this work was to assess whether joint spacings could be increased in slabs containing lightweight fine aggregate (LWFA) as a source of internal curing. 17. Key Words 18.

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Curing Concrete, Chapter 12 - Memphis

This may influence desired concrete properties, especially if the internal relative humidity drops below 80% within the first seven days. In view of 220 Design and Control of Concrete Mixtures EB001 this, membrane-forming curing compounds may not retain enough water in the concrete. Therefore, fogging and wet curing become necessary to maximize ...

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Effect of internal curing on durability-related properties ...

Jan 01, 2012  Concrete mixes with w/c ratios of 0.33, 025, and 0.21 were tested. The mix compositions were adjusted with superplasticizing admixture in order to keep the slump in the range of 110–160 mm.The cement type was CEM I 52.5N with Blaine fineness of 421.7 m 2 /kg and the superplasticizer was of calcium naphthalene sulfonate type (Rheobuild-2000). ). Internal curing was applied by

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Concrete Containing Natural Pozzolans: New Challenges for ...

Internal curing (IC) might be of great help when using NP because it can promote the pozzolanic reactions and reduce shrinkage. The aim of this research is to assess the effect of IC in concrete containing

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CHAPTER 9 PHYSICAL PROPERTIES OF LIGHTWEIGHT

Appendix 6D ESCSI Publication #4362 ―Internal Curing Using Expanded Shale, Clay and Slate Lightweight Aggregate”. Appendix 6E Chapter 46 ―Lightweight Concrete and Aggregates”, Significance of Tests and Properties of Concrete and Concrete-Making Materials, ASTM Special Technical Publication 169D.

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Lightweight Aggregate as Internal Curing Agent to Limit ...

Because the concrete is intended for use in low-cracking mixtures with low paste contents, an intermediate-sized The effectiveness of prewetted, vacuum-saturated (PVS) light-weight aggregate (LWA) as an internal curing agent to reduce concrete shrinkage is evaluated for curing periods of 7

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A REVIEW: MECHANISM, MATERIALS AND PROPERTIES OF

internal reservoir for self-curing because of their porosity (Weber and Reinhardt, 1997). The performance of self-curing concrete system is strongly related with content and properties of self-curing agents, such as water absorption, pore structure and grain size distribution, as well as mechanical properties (Yadav, 2015).

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Hydration, mechanical properties and durability of high ...

Jan 23, 2018  The properties of high-strength concrete under standard curing condition (20 °C, 95% RH), high-temperature curing condition (50 °C) and temperature match curing condition were comparatively investigated. The cumulative hydration heat of composite binder containing fly ash and silica fume is lower than that of composite binder containing the same amount of slag.

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Effects of internal curing on the strength, drying ...

RCA had properties comparable to that of virgin aggregate due to internal curing. Abstract In this study, the suitability of replacing the virgin aggregate with recycled concrete aggregate (RCA) was examined under the hypothesis that the higher porosity and water absorption capacity of RCA would provide the natural moisture reservoir needed for ...

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Late-Age Properties of Concrete with Different Binders ...

Mar 06, 2017  It is commonly accepted that high curing temperature (near 60°C or above) results in reduced mechanical properties and durability of concrete compared to normal curing temperature. The internal temperature of concrete structures at early ages is not so high as 60°C in many circumstances. In this paper, concretes were cured at 45°C at early ages and their late-age properties were studied.

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Fresh and hardened properties of self-compacting concrete ...

Fresh and hardened properties of self-compacting concrete containing recycled fine clay brick aggregates ... Due to their porous nature, recycled fine clay brick aggregates may also be a source of additional water for internal curing. The internal curing effect was confirmed by the mercury intrusion porosimetry, X-ray diffraction, and ...

get price