effect of curing on concrete strength

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EFFECT OF CURING ON CONCRETE STRENGTH - CORE

2021-7-19  EFFECT OF CURING ON CONCRETE STRENGTH A thesis submitted as partial fulfillment of the Master Degree of science in structural Engineering to the Department of civil Engineering University of Khartoum By Faiga Magzoub Ahmed Abu Hasebo B.sc Civil Engineering University of Sudan JUL. 1998 Supervised By Dr: Abd ElNabi Ali Ahmed 2003

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(PDF) IMPACT OF CURING ON STRENGTH OF CONCRETE

The study demonstrates that the method and duration of curing to a great extent affects the strength of concrete. Hence, excellent management of proper field curing is of the

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EFFECT OF CURING METHODS ON STRENGTH OF

The study presents the effect of different curing methods on the compressive strength of concrete using PPC, with admixture and without admixture. The curing methods followed in this study are Pond...

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Effect of curing methods on strength and durability of ...

2013-8-1  The effect of curing on the strength development in both OPC and fly ash cement concretes was investigated by Haque . The 90-day compressive strength of OPC and fly ash cement concrete was reported to be 67% and 50% of continuously fog cured concrete specimens.

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Effect Of Different Curing Methods On The Compressive ...

In all curing methods, the compressive strength of the concrete increases with age. The highest compressive strength at all ages was produced by immersion (water) curing. The average compressive strength of water cured concrete was 13.56w/mm 2 and 20.34

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Factors Affecting Curing and Effects of Concrete Curing ...

2017-2-2  Curing has a major influence on the properties of hardened concrete such as durability, strength, water-tightness, wear resistance, volume stability, and resistance

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

2015-8-30  Additionally, the effect of internal curing on the split-tensile strength was weaker than that on the compressive strength. 5. After exposure to 300 freeze–thaw cycles, the performance of concrete containing RCA was comparable to that of concrete containing only virgin aggregate, especially for mixes containing 50% RCA at a 50% saturation level.

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Effect of Microwave Curing Conditions on High Strength ...

2014-1-1  Effect of curing time on strength of the curing concrete at various power inputs The concrete mixtures were cured at different power input values. The values of strength (MPa) were plotted as function of time (min). Fig. 5. Relationship between strength (MPa) and time (min) for curing concrete.

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Effect of curing methods in hot weather on the properties ...

2019-7-1  Thus, the concrete curing method of water immersion (immersing samples in a water tank at 20 °C ± 2 °C under 100% relative humidity) maintains high moisture content until the required strength is achieved. Other methods, however, may perform the same purpose while consuming less water.

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Effect of subsequent curing on surface permeability and ...

2018-11-10  1. Introduction. Initial steam curing is an accelerated curing regime through which the concrete can achieve high early strength, and it has been commonly used in the production of the prefabricated elements in China , , , .In recent years, the rapid development of the construction of high-speed railway in China incorporates more and more steam-cured concrete, and the track slabs,

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Investigating the effect of curing methods on the strength ...

An experimental inztestigation was conducted to eaaluate the effect of different curing practices on the strength of concrete. Four dffirent curing methods such as dry-air, complete immerse in ...

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(DOC) THE EFFECT OF IMPROPER CURING ON THE

This study investigated the effect of improper curing methods on the strength development and durability of concrete with a low strength class concrete (C20) as a case study. The concrete cubes were cured for 7, 14 and 28 days under three different

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feature Effects of Non-Standard Curing on Strength of

sounds like a valid argument. The concrete producer needs to point out: 1. Strength depends substantially on the curing condi-Effects of Non-Standard Curing on Strength of Concrete A Research ...

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Effect of Curing Methods on Density and Compressive ...

2013-6-29  This study considered the effect of different methods of curing on density and compressive strength of concrete. Concrete cube specimens of mix 1:2:4 were prepared with water-cement ratio of 0.65. The cubes were cured using six methods (air curing, water-submerged curing, spray curing, polythene curing, moist sand curing and

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Effect of Curing Temperatures on High Strength

2018-11-1  Effect of Curing Temperatures on High Strength Concrete Bridge Girders The effects of high strength concrete curing temperatures on compressive strength development and force levels in straight, bonded pretensioned strands were investigated. Concrete temperatures and prestressing strand forces were monitored during the fabrication of five AASHTO

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Effect of Isothermal Curing on the Compressive

2020-1-8  Effect of Isothermal Curing on the Compressive Strength of High Early-Strength Concrete Marlon L. de la Cruz, Oscar Victor M. Antonio Jr. Institute of Civil Engineering, University of the Philippines Diliman, Quezon City 1101, Metro Manila, Philippines [email protected]; [email protected]

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Effect of different curing methods on the compressive ...

2015-1-27  cured had compressive strength 20% higher than those of air cured [6]. cubesThe effect of curing period and curing delay on the properties of concrete in hot weather was also studied by Al-Ani . et al. [7]. The authors reported that, wet burlap curing method was an effective technique for maintaining the moisture in concrete.

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Effect of curing methods in hot weather on the properties ...

2019-7-1  At day 7 of curing, the compressive strength of concrete cured via the wet gunny method slightly increased by 3.6%. The increase in concrete strength may be attributed to hot weather with high humidity, which increased the rate of cement hydration during the early stage of curing.

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Effect of blast-vibration on the strength of curing lining ...

【Abstract】 Several studies until now have been carried out on the variance of strength when curing concrete is subjected to vibration.But the vibration sources considered on these studies were impact,shaking table and surface blasting Mortar lining model with cylindrical shape was made for laboratory tests and real concrete wall and bottom lining model was built in tunnel for field ...

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Effect of Curing Condition on Compressive Strength of Fly ...

2018-3-1  Title: Effect of Curing Condition on Compressive Strength of Fly Ash Geopolymer Concrete Author(s): Hongen Zhang, Xiaoshuang Shi, and Qingyuan Wang Publication: Materials Journal Volume: 115 Issue: 2 Appears on pages(s): 191-196 Keywords: compressive strength; curing conditions; low-calcium fly ash; ordinary portland cement Date: 3/1/2018 Abstract: In this study, compressive strength

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EFFECT OF CURING COMPOUNDS ON STRENGTH AND

2016-10-4  effect of using curing compounds on strength and durability of concrete mixes. Mix proportions were arrived for M20, M30, conventional M40 and M40-Self Compacting Concrete. The cube strengths are tested on 7 and 28 days as a strength parameter and the cylinders are tested for durability aspect by Rapid Chloride Penetration Test (RCPT). Concrete ...

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Curing Effects on High-Strength Concrete Properties

2019-3-6  The effects of hot and dry environments on high-strength concrete with different water/binder ratios (0.30, 0.35, and 0.40), using (30%) fly ash for all mixes, and (0%, 5%, and 10%) silica fume with the binder (450, 480, and 520 kg), respectively, were separately investigated, and the effects of curing under different conditions were evaluated ...

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Effect of Curing Temperatures on High Strength

2018-11-1  Effect of Curing Temperatures on High Strength Concrete Bridge Girders The effects of high strength concrete curing temperatures on compressive strength development and force levels in straight, bonded pretensioned strands were investigated. Concrete temperatures and prestressing strand forces were monitored during the fabrication of five AASHTO

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Effect of types of curing on strength of geopolymer

Effect of types of curing on strength of geopolymer concrete K. Vijai1, R. Kumutha1* and B. G. Vishnuram2 1Department of Civil Engineering, Sethu Institute of Technology, India. 2Easa College of Engineering and Technology, Coimbatore, India. Accepted 5 July, 2010 In order to address environmental effects associated with Portland cement, there ...

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Effect of CO2 Curing on the Strength of High Strength ...

This study was conducted to assess the effect of CO2 curing on the compressive strength of high strength pervious concrete. The factors studied to evaluate compressive strength of concrete on CO2 curing pressure, curing time, and age of specimen at testing. Three Aggregate sizes, three CO2 curing pressures, three CO2 curing time, and three testing ages were used in this investigation.

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Effect of Mixing and Curing Temperature on Concrete

Effect of calcium chloride on strength at varying temperatures of mixing, placing, and curing is reported. Effect of cement temperature was found un-important, except as it affected concrete temperature after mixing. More air-entraining agent was required for given air content as concrete temperature increased and slump decreased.

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Effect of elevated curing temperatures on the strength and ...

These curing temperatures have been recorded while still maintaining the maximum differential temperature of 20°C between the core and exterior of mass concrete elements as specified by the FDOT. This study was conducted to evaluate the strength and durability of concrete subjected to elevated curing

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Effect of High-Temperature Curing Methods on the ...

2019-7-30  Effect of High-Temperature Curing Methods on the Compressive Strength Development of Concrete Containing High Volumes of Ground Granulated Blast-Furnace Slag WonsukJung1 andSe-JinChoi2 1SchoolofMechanicalEngineering,ChungnamNationalUniversity,Daejeon,RepublicofKorea

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Effects of Mixing and Curing Temperature on the

2016-12-19  Effects of Mixing and Curing Temperature on the Strength Development and Pore Structure of ... Cement Blaine(cm2/g) Density(g/cm3) Mineralogicalproperties(%) C3 SC2 SC3 AC4 AF OPC 3280 3.16 52 24 9 9 ... variation of long-term strength in actual concrete walls

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Effect of Curing Condition on the Wear and Strength of ...

Effect of Curing Condition on the Wear and Strength of Concrete available to buy online at takealot. Many ways to pay. Free Delivery Available. Hassle-Free Exchanges Returns for 30 Days. 6-Month Limited Warranty. We offer fast, reliable delivery to your door.

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