Influence of Surface Scaling on the Performance of Cement

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Influence of Surface Scaling on the Performance of

2021-7-13  A well designed and properly constructed cement concrete road generally outperforms the structural and functional performance parameters set for it. On the other hand, premature distresses such as surface

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Effect of curing regimes on hardened performance of ...

2019-6-30  According to their results, lengthening of the concrete moisture-curing period systematically decreases sorptivity and improves scaling resistance. Similar results were obtained by Liu and Hansen who reported that the extent of surface scaling is affected by the capillary transport property of a porous cementitious system.

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Effects of surface states on salt-frost scaling resistance ...

2019-12-1  Scaled mass of the top surface of the molded concrete due to salt frost is about 50% larger than that of the surface formed with the partitions. Coupling effects of repeated load and salt-freezing cycles can aggravate salt-frost damages of the concrete. Previous article. in issue. Next article.

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Effect of Fiber on the Concrete Resistance to Surface ...

2015-1-1  The analysis of the research results described in literature, has demonstrated the lack of data concerning the influence of fiber reinforcement on the process of surface scaling due to the freezing of the liquid being in contact with the selected surface of element or structure, which is the frequently occurring situation in service life of concrete and reinforced concrete structures.

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Repair of Scaled Surface Areas of Newly Constructed

2021-7-14  Influence of surface scaling on the performance of cement concrete roads, New Building Materials Construction World, March 2018. Miller, J.S., and Bellinger, W.Y. 2003. Distress Identification manual for the long-term pavement performance

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INFLUENCE OF PRE-WETTED LIGHTWEIGHT AGGREGATE

2009-1-8  the structure of concrete surface layers is more dense, reducing the water evaporation and the diffusion process becomes slower. The surface of concrete with lightweight aggregate will be denser than of traditional high performance concretes [6], and therefore more resistant to scaling. Laboratory tests

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Overview of Problems with Deicer Scaling Test Methods

2017-8-5  Cement # 1 Cement # 2 m 3) Control 10% Fly Ash 25% Fly Ash ... shown to significantly influence performance (final finishing is removed). –Insulating the sides of the scaling slabs will ... Visual Characteristics of the scaling surface Equivalency Rating 0 0 - 50 No significant scaling observed

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Prevent Scaling - Portland Cement Association

Scaling is defined as a general loss of surface mortar or mortar surrounding the coarse aggregate particles on a concrete surface. This problem is typically caused by the expansion of water due to freezing and thawing cycles and the use of deicing chemicals; however, properly specified, produced, finished, and cured quality concrete need not suffer this type of deterioration.

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The influence of filler type and surface area on the ...

2015-10-15  The influence of cement replacement on the rate of CAC reaction was tracked using isothermal conduction calorimetry. A Tam Air isothermal calorimeter (TA Instruments, New Castle, DE) was used to determine the heat evolved during hydration at a constant temperature condition of 25 °C. The rate and extent of heat release are normalized by the mass of CAC and, as such, the heat

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Influence of soil grading on the characteristics of

2013-7-19  The paper deals with experimental investigations aiming at specifying optimum soil grading limits for the production of cement stabilised soil bricks (CSSB). Wide range of soil grading curves encompassing both fine and coarse grained soils were considered. Strength, durability and absorption characteristics of CSSB were examined considering 14 different types of soil grading curves and three ...

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Prevent Scaling - Portland Cement Association

Scaling is defined as a general loss of surface mortar or mortar surrounding the coarse aggregate particles on a concrete surface. This problem is typically caused by the expansion of water due to freezing and thawing cycles and the use of deicing

Get price

Overview of Problems with Deicer Scaling Test Methods

2017-8-5  Cement # 1 Cement # 2 m 3) Control 10% Fly Ash 25% Fly Ash ... shown to significantly influence performance (final finishing is removed). –Insulating the sides of the scaling slabs will ... Visual Characteristics of the scaling surface Equivalency Rating 0 0 - 50 No significant scaling observed

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ASTM International - Journal of Cement, Concrete and ...

Effect of Finishing Practices on Performance of Concrete Containing Slag and Fly Ash as Measured by ASTM C 672 Resistance to Deicer Scaling Tests. Influence of Specimen Geometry, Orientation of Casting Plane, and Mode of Concrete Consolidation on Expansion Due to ASR. Effect of Non-Uniform Straining in Concrete Compressive Strength Tests

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Concrete performance using BFS cement - Article on

2006-11-1  Concrete performance using BFS cement. Figure 1: The principle of the equipment used for penetration tests. Figure 2: Selection of superplasticizer depends on the change of the flow point. Figure 3: Spread depends on the time and the kind of blastfurnace cement. Figure 4: Optimisation of superplasticiser and silica fume ratio.

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Effect of curing regimes on hardened performance of ...

Abstract This paper is focused on evaluating the impact of curing on concrete performance, and correlating hardened performance to salt-scaling resistance of concrete. The performance of the mixtures was determined through air-void system, sorptivity, and abrasion tests. A total of seven different curing regimes were applied to mixtures made with different binary systems containing 0%, 20%, 40 ...

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Influence of Different Dosages of Limestone Dust and ...

Influence of Surface Sealers on the Properties of Internally Cured Cement Mortars Containing Saturated Fine Lightweight Aggregate Journal of Materials in Civil Engineering April 2015 Early-Age Properties of Cement-Based Materials.

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Influence of soil grading on the characteristics of

2013-7-19  The paper deals with experimental investigations aiming at specifying optimum soil grading limits for the production of cement stabilised soil bricks (CSSB). Wide range of soil grading curves encompassing both fine and coarse grained soils were considered. Strength, durability and absorption characteristics of CSSB were examined considering 14 different types of soil grading curves and three ...

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Influence of [email protected] on the Water Absorption of

2020-10-13  surface treatment agent for cement-based materials. The influence of SiO 2 @PMHS nanoparticles on the water absorption of hardened cement mortar with water-to-cement ratio of 0.6 was investigated. Results showed that the water absorption of cement mortar treated with SiO 2 @PMHS nanoparticles was decreased by 93.47% in comparison to the control ...

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Effect of various de-icers containing chloride ions on ...

2020-3-31  Cement and Concrete Research, 120, 2019, 66-76, DOI: 10.1016/j.cemconres.2019.03.011. EN 206: Concrete, performance, production and conformity, The Czech Republic (2018) CSN 731326: Resistance of cement concrete surface to water and defrosting chemicals, The Czech Republic (1984)

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口頭発表 Shimadai Cement

38. F.Tanimoto, Y.Kishimoto, D.Atarashi and Y.Hama:Study of Mechanism of Freeze-Thaw Scaling of Concrete with Surface Penetrants, Proceedings of the 4th International Symposium on the Performance Improvement of Concrete for Long Life Span Structure, Goyang, Korea, pp.191-198(2010 8/11-13) 37.

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Overview of Problems with Deicer Scaling Test Methods

2017-8-5  Cement # 1 Cement # 2 m 3) Control 10% Fly Ash 25% Fly Ash ... shown to significantly influence performance (final finishing is removed). –Insulating the sides of the scaling slabs will ... Visual Characteristics of the scaling surface Equivalency Rating 0 0 - 50 No significant scaling observed

Get price

ASTM International - Journal of Cement, Concrete and ...

Effect of Finishing Practices on Performance of Concrete Containing Slag and Fly Ash as Measured by ASTM C 672 Resistance to Deicer Scaling Tests. Influence of Specimen Geometry, Orientation of Casting Plane, and Mode of Concrete Consolidation on Expansion Due to ASR. Effect of Non-Uniform Straining in Concrete Compressive Strength Tests

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Effects of Sonic and Ultrasonic Scaling on the Surface ...

2007-5-1  After scaling treatment, both instrumentations significantly increased the surface roughness for all test materials except for Compoglass F and Z100, which were subjected to sonic scaling. Fuji II glass ionomer cement had the highest Ra values, while Tetric Flow and Z100 had the lowest Ra values in both instrumentations.

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Concrete performance using BFS cement - Article on

2006-11-1  Concrete performance using BFS cement. Figure 1: The principle of the equipment used for penetration tests. Figure 2: Selection of superplasticizer depends on the change of the flow point. Figure 3: Spread depends on the time and the kind of blastfurnace cement. Figure 4: Optimisation of superplasticiser and silica fume ratio.

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Influence of Different Dosages of Limestone Dust and ...

Influence of Surface Sealers on the Properties of Internally Cured Cement Mortars Containing Saturated Fine Lightweight Aggregate Journal of Materials in Civil Engineering April 2015 Early-Age Properties of Cement-Based Materials.

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Properties of concrete with Ground Granulated Blast ...

Properties of Concrete with GGBS. Effects of the addition on the frost scaling resistance and chloride migration Vera Mónica Ferreira Correia 2 Therefore, air-entrained concrete mixes with an equivalent water/cement ratio of 0.45 and with different percentages of replacement of Portland cement by GGBS were produced and tested.

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Influence of soil grading on the characteristics of

2013-7-19  The paper deals with experimental investigations aiming at specifying optimum soil grading limits for the production of cement stabilised soil bricks (CSSB). Wide range of soil grading curves encompassing both fine and coarse grained soils were considered. Strength, durability and absorption characteristics of CSSB were examined considering 14 different types of soil grading curves and three ...

Get price

Energies Free Full-Text Influence of Slag Cement on ...

Durability of concrete designed for radiation shielding structures is an important issue in nuclear power plant safety. An investigation of the permeability of concrete containing heavyweight aggregates and water-bearing aggregates was performed with respect to gaseous and liquid media. Mix design was developed using Portland and slag cement, crushed magnetite and serpentine aggregate.

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Effect of curing regimes on hardened performance of ...

Abstract This paper is focused on evaluating the impact of curing on concrete performance, and correlating hardened performance to salt-scaling resistance of concrete. The performance of the mixtures was determined through air-void system, sorptivity, and abrasion tests. A total of seven different curing regimes were applied to mixtures made with different binary systems containing 0%, 20%, 40 ...

Get price

口頭発表 Shimadai Cement

38. F.Tanimoto, Y.Kishimoto, D.Atarashi and Y.Hama:Study of Mechanism of Freeze-Thaw Scaling of Concrete with Surface Penetrants, Proceedings of the 4th International Symposium on the Performance Improvement of Concrete for Long Life Span Structure, Goyang, Korea, pp.191-198(2010 8/11-13) 37.

Get price
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