Freezethaw resistance of concrete containing mixed
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Freezethaw resistance of concrete containing mixed.

Freeze-thaw resistance of concrete containing mixed ...

Oct 30, 2020  The study of freeze–thaw cycle-mediated deterioration, with or without de-icing salts, in concrete containing both mixed recycled aggregate and cement

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Freeze-thaw resistance of concrete containing mixed ...

Freeze-thaw resistance of concrete containing mixed aggregate and construction and demolition waste-additioned cement in water and de-icing salts Author links open

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Freeze-Thaw Resistance - Portland Cement Association

Freeze-Thaw Resistance. When water freezes, it expands about 9 percent. As the water in moist concrete freezes it produces pressure in the pores of the concrete.

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Prediction of Freeze-thaw Resistance of Concrete

Freeze-Thaw action degrades concrete mainly due to the hydraulic pressures associated with the expansion of water into ice which requires a greater volume inside the

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Freeze Thaw Resistance of Pervious Concrete

Freeze Thaw Resistance of Pervious Concrete considerably severe exposure condition on portland cement concrete elements is exposure to cycles of freezing and

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FREEZE-THAW RESISTANCE OF POROUS CONCRETE MIXED

Jul 07, 2015  Series 2 tested the freeze-thaw resistance of porous concrete containing crushed roofing tile material using two ASTM test methods: procedure-A, both freeze and thaw in water, and procedure-B, freeze in air and thaw in water. The result showed that the use of crushed roofing tile material caused no adverse effects to freeze-thaw resistance.

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Freeze Thaw Resistance of Pervious Concrete

Freeze Thaw Resistance of Pervious Concrete considerably severe exposure condition on portland cement concrete elements is exposure to cycles of freezing and thawing. Since the 1930s, air entrainment has been used to enhance the freeze-thaw resistance of portland cement concrete exposed to an external environment.

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Freeze–Thaw Resistance and Drying Shrinkage of Recycled ...

Dec 07, 2017  Generally, the conventional mix design method results in a lower freeze-and-thaw resistance against RCA concrete (Fathifazl 2008; Abbas et al. 2009). Also worth noting is that the plant RCA concrete mix resulted in the worst freeze-and-thaw resistance, regardless of the similar specific gravity and water absorption in comparison to the air base ...

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Prediction of Freeze-thaw Resistance of Concrete

Freeze-Thaw action degrades concrete mainly due to the hydraulic pressures associated with the expansion of water into ice which requires a greater volume inside the concrete. The purpose of the research was to investigate how different characteristics of concrete mixes affect the resistance that concrete has to freeze-thaw degradation.

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Freeze-Thaw Resistance of Concrete with Marginal Air Content

study on freezing and thawing of concrete, in which a number of concretes containing 2.5 to 3 percent total air performed adequately in freeze-thaw tests. These results seemed surprising in light of common minimum specification limits of 4 to 6 percent. The work reported here began

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Freezing and thawing resistance of cellular concrete ...

Apr 20, 2018  Cellular concrete (CC) or sometimes called foamed/aerated concrete is defined as a foamed low-density and low-strength material made with cement and/or lime, silica-rich material (sand, slag, or fly ash), water, fine aggregate and a foaming agent to form a uniform cellular structure of air voids .The process of forming air bubbles in the CC is divided into two groups: (1) mechanical foaming ...

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Research Article Freeze-Thaw Resistance of Normal and High ...

ect of y ash and silica fume on the freeze-thaw resistance of di erent strength and air content concretes. e capillary suction of deicing solution and Freeze-thaw (CDF) (test) technique is used to determine the surface scaling of the specimens []. 2. Materials and Method.. Materials. e raw materials of concrete mixtures were supplied from di ...

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(PDF) Application of Gray Relational Analysis for Chloride ...

Dec 01, 2011  Many factors of mix proportion affect the chloride permeability and freeze-thaw resistance of high-performance concrete containing nanoparticles, including the dosages of

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Freeze-Thaw Resistance of Normal and High Strength ...

Sep 20, 2015  This study is based on determination of the freeze-thaw resistance of air-entrained and non-air-entrained normal strength concrete (NC) and high strength concrete (HSC) produced with fly ash and silica fume according to surface scaling. The procedure allows us to measure the amount of scaling per unit surface area due to a number of well defined freezing and thawing cycles in the

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Application of Gray Relational Analysis for Chloride ...

Dec 12, 2011  Many factors of mix proportion affect the chloride permeability and freeze-thaw resistance of high-performance concrete containing nanoparticles, including the dosages of cement, nanomaterials, mineral fine admixture, and chemical admixture and the water-binder and sand ratios.

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Freeze-Thaw Resistance Scientific.Net

Based on the freeze-thaw resistance of durability indices, through the comparative experiment on the dynamic elastic modulus and mass loss of plain concrete and basalt fiber reinforced concrete in the freeze-thaw cycles, this paper had discussed the impact of basalt fiber on the freeze-thaw resistance of concrete, and have considered whether ...

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Frost Resistance Number to Assess Freeze and Thaw ...

Dec 11, 2019  The FRN to assess freeze and thaw resistance of non-autoclaved aerated concretes containing GGBFS and MS has been developed. The accomplishment of this research has been the comparison between compressive strength, dry density, void ratio, and water absorption capacity of NAAC mixtures and the determination of RDME, DF, weight change, moisture ...

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concrete test results and compressive strength test results shown represent the same concrete from whi ch freeze~thaw specimens were molded. A summary of the weight change due to freeze-thaw cycling is shown in Table 6. A summary of the relat ive dynamic modulus of elasticity for all specimens examined, is shown in Table 7.

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FREEZE-THAW AND SCALING TESTS ON SILICONE-TREATED

tection from freeze-thaw and scaling action might be expected, the Materials and Re­ search Division undertook a series of laboratory tests to compare the freeze-thaw and scaling resistance of silicone-treated and untreated concrete. Several different testing and curing procedures were used in an attempt to simulate different field conditions,

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Freeze-thaw resistance of concrete: Insight from ...

Fig. 2.Effect of cement composition on the freeze-thaw resistance measured by the CIF method. 3.2 Microstructural changes arising from freeze-thaw . The scaling and internal damage measurements indicated CS and CS -2L as the best and worse mixes respectively. Consequently, the microstructural investigations focused on these two mixes. The

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Frost and Freeze/Thaw resistant Concrete

May 11, 2013  Frost and freeze/thaw resistant concrete must always be used when concrete surfaces are exposed to weather (wet) and the surface temperature can fall below freezing. Fair-faced concrete façades Bridge structures Tunnel portal areas Traffic areas Retaining walls By adding air entrainers, small, spherical, closed air voids are generated during the mixing process in the ultra-fine

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CDF Test – Test method for the freeze-thaw resistance of ...

Adequate resistance against freeze-thaw attack with ... constituents of concrete as well as the concrete mix. 3. STANDARDS prEN-ISO 2736/2-1993: Testing hardened concrete- ... the upper space of the chest containing the specimens must be separated from the cooling bath either by the

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Freeze-Thaw Resistance of Concrete with Marginal Air Content

study on freezing and thawing of concrete, in which a number of concretes containing 2.5 to 3 percent total air performed adequately in freeze-thaw tests. These results seemed surprising in light of common minimum specification limits of 4 to 6 percent. The work reported here began

Get Price

Frost Resistance Number to Assess Freeze and Thaw ...

Dec 11, 2019  The FRN to assess freeze and thaw resistance of non-autoclaved aerated concretes containing GGBFS and MS has been developed. The accomplishment of this research has been the comparison between compressive strength, dry density, void ratio, and water absorption capacity of NAAC mixtures and the determination of RDME, DF, weight change, moisture ...

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INVESTIGATION OF THE FREEZE-THAW RESISTANCE OF

Cyclic freeze-thaw tests were conducted to determine the freeze-thaw resistance of the porous-concrete mix-tures, mainly referring to the Chinese specification GB/T50082-2009, in which specimens were subjected to repeated freeze-thaw cycles.23 After 28 d of curing, we took the specimens out, wiping the surfaces with a cloth

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Freeze-Thaw Resistance Scientific.Net

Based on the freeze-thaw resistance of durability indices, through the comparative experiment on the dynamic elastic modulus and mass loss of plain concrete and basalt fiber reinforced concrete in the freeze-thaw cycles, this paper had discussed the impact of basalt fiber on the freeze-thaw resistance of concrete, and have considered whether ...

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FREEZE-THAW AND SCALING TESTS ON SILICONE-TREATED

tection from freeze-thaw and scaling action might be expected, the Materials and Re­ search Division undertook a series of laboratory tests to compare the freeze-thaw and scaling resistance of silicone-treated and untreated concrete. Several different testing and curing procedures were used in an attempt to simulate different field conditions,

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Improvement test on frost resistance of vegetation ...

Sep 18, 2012  Currently available vegetation-concrete is not satisfactory for application in alpine and cold areas. The loss rates of weight and resonance-frequency are both more than 50 % after 30 freeze–thaw cycles. In order to improve the frost resistance of vegetation-concrete, this study chose five kinds of admixtures and then performed single-mixed and orthogonal tests for comparison and ...

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Freeze-Thaw Durability of Concretes with and without Class ...

satisfactory resistance to the freeze-thaw attack. However, in most of these laboratory studies, the concrete specimens were exposed to the freeze-thaw cycling at either 14 days or 28 days. Nasser and Lait111 tested the freeze-thaw resistance of concretes after 28 daysand 80 days curing, respectively.

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Cost Optimization of Mortars Containing Different Pigments ...

Jan 19, 2016  Nowadays, it is common to use colored concrete or mortar in prefabricated concrete and reinforced concrete construction elements. Within the scope of this study, colored mortars were obtained with the addition of brown, yellow, black, and red pigments into the white cement. Those mixtures are examined for their compressive strength, unit weight, water absorption, and freeze-thaw resistance.

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Use of Polymeric Microspheres for Providing Resistance to ...

diameters, mainly between 0.3 and 2 microns, added to the plastic mix were found to improve significantly the freeze-thaw resistance of hydrated neat cement paste and concrete. • The concentration required for the achievement of a given level of frost resistance depends on the physical characteristics of the material.

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Freeze–Thaw Resistance of Ternary Blended Concrete Using ...

Jan 21, 2021  There is not enough information about the influence of FNS-blended concrete subjected to resistance of freeze–thaw environment. Therefore, this study aims to evaluate the freeze–thaw resistance of concrete utilized with FNS as a binder. Two control specimens and ternary blended concrete containing 30% GGBS and 20% FNS were tested.

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