The Effect of Curing Methods on Compressive Strength of Concrete

Tumpu, M.; Irianto, -; Parung, Herman

doi:10.1088/1755-1315/921/1/012007

Cited by 3 publications

(3 citation statements)

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“…On the other hand, it has been observed that the presence of SF limits the composition and the formation of corrosion products: the addition of SF in HSCs can be considered beneficial (Marcotte and Hansson, 2003), it can be concluded that the curing method of concrete affects the value of concrete compressive strength (Tumpu and Parung, 2021). We notice a drop in resistance of the concretes preserved in sea water at 28 days, around 3%-6% for the HSC25, 2%-4% for the HSC16 and 1%-2% for HSC8.…”

Section: Conservation In Sea Watermentioning

confidence: 99%

New approach for the mix design of high-strength concretes valorization of local aggregates

Messaoud

2023

WJE

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Purpose The purpose of this paper is to make a contribution to understanding the influence of factors such as the water/cement (W/C) ratio and the granular class on the mechanical and physical properties of high-strength concretes (HSCs). In the formulations of HSC, aggregates by their high mass and volume proportion play an important role. When selecting aggregates, it is necessary to know their intrinsic properties. These properties influence the performance of concrete, in particular the quality of the granulate cimentary adhesion. Design/methodology/approach This experimental study focused on the effect of W/C ratio (0.25, 0.30, 0.35), the effect of replacing a part of cement by silica fume (SF) (8%), the effect of fraction of aggregate on properties of fresh and hardened concrete, the effect of different environment conversation like drinking water and sea water on compressive strength and the study of absorption of water and softening using the mix design method of the University of Sherbrooke combined with the Dreux-Gorisse method which gives good results. Findings At the end of our work, the examination of the results obtained made it possible to establish the correlations between the formulations studied and the physicomechanical characteristics of the concrete compositions (HSC25, HSC16, HSC8). The results of this study show that the use of three granular classifications (DMAX8, DMAX16 and DMAX25) and three report W/C (0.25, 0.30 and 0.35) in two different conservation environment (drinking water and sea water) give HSCs, HSC25 with an W/C = 0.25 ratio has reached the largest mechanical strength of 90 MPa for different environments of conservation. For selecting aggregates, it is necessary to know their intrinsic properties, these properties influence the strength of concrete. In general, there is a slight decrease in the compressive resistance of the specimens stored in seawater, it can be said that the conservation life has not had effect on the resistance (28 days). The effect of aggressive environment can appear in the long term. Research limitations/implications Mixed design and concrete fabrication with a 28-day compressive strength of up to 68 MPa or more of 90 MPa can now be possible used in Jiel (Algeria), and it should no longer be considered to be used only in an experimental domain. Addition of SF in concrete showed good development of strength between 7 and 28 days, depending on the design of the mix. Practical implications Concrete containing 8% SF with W/B of 0.25 has higher compressive strength than the other concretes, and concretes with SF are more resistant than concretes without SF, so it is possible to have concrete with a compressive strength of 82 MPa for W/C 0.25 without SF. Like as a result, we can avoid the use of SF to affect the strength of concrete at compressive strength of 68 MPa, and a slump of 21 cm, because the SF is the most expensive ingredient used in the composition of concrete and is therefore very important economically. One of the main factors of production of HSC above 90 MPa is use of aggregate DMAX25, which is stronger with W/B of 0.25 and 0.30. Social implications This mixtures leads to a very dense microstructure and low porosity and produces increased permeability of HSC and is able to resist the penetration of aggressive agents. This combination has a positive effect on the economy of concrete. Originality/value The combination of the Dreux-Gorisse method with the Sherbrook method is very beneficial for determining the percentage of aggregates used, and the use of coarse aggregates of Jijel to obtain HSC with 90 MPa and 16 cm of workability.

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Section: Conservation In Sea Watermentioning

confidence: 99%

New approach for the mix design of high-strength concretes valorization of local aggregates

Messaoud

2023

WJE

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“…Beton dengan perawatan perendaman secara langsung memiliki kuat tekan yang besar. Terdapat beberapa metode dalam perawatan beton, diantaranya adalah penyiraman dengan air (watering) dan elevated temperature [8]. Penelitian ini menggunakan proporsi Accelerator tetap sebesar 3 % dari berat semen dengan waktu pengujian pada umur 7 dan 28 hari.…”

Section: Pendahuluanunclassified

Effect of Temperature Variations on Elevated Temperature Curing Method Towards Modulus of Elasticity and Compressive Strength of Normal Concrete With Additional Accelerator

Yuhanata

Nurtanto²,

Utami³

2022

B. SAINSTEK

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Developments in modern times have grown rapidly, this can be seen from the rapid development. Along with the increasing scale of development in the world of construction, more and more concrete is needed effectively, practically, and in the future. The strength of concrete is strongly influenced by the quality of the materials, admixtures, the working process, and the curing of the concrete. Concrete with the addition of an accelerator has higher compressive strength, this is due to the accelerator reaction which can accelerate the binding process and the development of the initial compressive strength of the concrete. Concrete with direct immersion treatment has large compressive strength. There are several methods of treating concrete, including watering and high temperature. This study used a fixed accelerator proportion of 3 % of the weight of cement with a test time of 7 and 28 days. The treatment method used is open space, immersion, high temperature at temperatures of 25 ºC, 30 ºC, 35 ºC, 40 ºC and 45 ºC. From the results of the research, there are differences in characteristics between normal concrete and concrete with the addition of an accelerator. Concrete with a high-temperature treatment method at a temperature of 45 ºC produces the highest strong pressure. This is caused by the higher the treatment temperature, the higher the rate of hydration process that affects the compressive strength of the concrete.

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“…It operates more quickly and penetrates the surface to avoid cracking and crazing. The principal objective of this study is to examine how applying various curing agents to HPC affects its compressive strength, resistance to freeze and thaw, resistance to chloride ions, and resistance to moisture penetration [6,7] .…”

Section: Introductionmentioning

confidence: 99%

High performance concrete properties with varying curing agents

Ahmed¹,

Nose²,

Fujii³

et al. 2023

IJMRGE

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The Study shed the light on the effects of employing varied curing agents (No.1-No.6): bleeding water, and sprinkling water, aqueous basic silica compound, modified acrylic resin, emulsion of solid wax and nonionic surfactant, and water-based paraffin wax, on the properties of high-performance concrete (HPC) in comparison with the cured specimens according to the standard curing at 20 ± 3°C (JIS A 0203:2019). The specimens cured in accordance with standard curing exhibit a better compressive strength, and higher freeze-thaw resistance compared to most non-standard-cured samples. However, the special curing agents demonstrated higher resistance to moisture penetration as well as chloride ions infiltration.

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The Effect of Curing Methods on Compressive Strength of Concrete

Cited by 3 publications

References 2 publications

New approach for the mix design of high-strength concretes valorization of local aggregates

New approach for the mix design of high-strength concretes valorization of local aggregates

Effect of Temperature Variations on Elevated Temperature Curing Method Towards Modulus of Elasticity and Compressive Strength of Normal Concrete With Additional Accelerator

High performance concrete properties with varying curing agents

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