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Strength Development of mortars and concretes under

Application of Ultrasonic Testing Technique to Evaluation of Strength Development in Early Age Mortars

Application of Ultrasonic Testing Technique to Evaluation of Strength Development in Early Age Mortars

... age mortars with three different ...the strength development provided by the standard penetration resistance ...the strength development in a log-log ...the strength in the fresh ...

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Influence of Bottom Ashes with Different Water Retainabilities on Properties of Expansive Mortars and Expansive Concretes

Influence of Bottom Ashes with Different Water Retainabilities on Properties of Expansive Mortars and Expansive Concretes

... The mix proportions of the tested mortars and concretes are shown in Table 3. For the expansive mortar series, the water to binder ratio was controlled at 0.35 and the sand to binder ratio was controlled at ...

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High-temperature performance of mortars and concretes based on alkali-activated slag/metakaolin blends

High-temperature performance of mortars and concretes based on alkali-activated slag/metakaolin blends

... of mortars and concretes based on alkali activated granulated blast- furnace slag (GBFS)/metakaolin (MK) blends when exposed to high ...of mortars with contents of MK up to 60 ...the ...

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Study on long Term Strength Development and durability of Multi Blended Concretes Containing Fly ash and Silica Fume

Study on long Term Strength Development and durability of Multi Blended Concretes Containing Fly ash and Silica Fume

... and mortars in various proportions, particularly for reducing the amount of cement required for making concrete and mortar which lead to lower initial and life- cycle costs of concrete ...multi-blended ...

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Development of a theory of particle mixtures and its application to aggregates, mortars and concretes

Development of a theory of particle mixtures and its application to aggregates, mortars and concretes

... 87 Figure 7.7 Influence of maximum aggregate size on water demand 189 Figure 7.8 Influence of mean size and void ratio of fine aggregate on the water demand 189 Figure 7.9 Influence of m[r] ...

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TECHNOLOGICAL PROPERTIES OF CONCRETES AND MORTARS FOR UNDERWATER CONCRETING

TECHNOLOGICAL PROPERTIES OF CONCRETES AND MORTARS FOR UNDERWATER CONCRETING

... The article is about the results of experimental-and-theoretical research of usefulness of mortar and concrete mixes for underwater repair works. It is shown that the developed compositions of hydraulic engineering ...

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Performance evaluation of mortars and concretes produced from major brands in Botswana

Performance evaluation of mortars and concretes produced from major brands in Botswana

... Grade 32.5 ordinary Portland cement conforming to BS 12 (1996) was used in this study. Three most commonly used brands of cement in Botswana which account for over 80 percent for building and civil engineering projects ...

7

Strength properties of self-healing mortars

Strength properties of self-healing mortars

... Epoxy-modified mortars are prepared with various polymer-cement ratios subjected to initial wet/dry curing plus long term dry curing and tested for strength ...strengths, strength development, ...

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Bubble stabilisation improves strength of lightweight mortars

Bubble stabilisation improves strength of lightweight mortars

... the mortars, Figure 8 shows the relationship between bulk density and compressive strength for the mixes listed in Table 1 as well as some additional mixes developed with higher and lower contents of fly ...

7

Flow and Compressive Strength of Alkali-Activated Mortars.

Flow and Compressive Strength of Alkali-Activated Mortars.

... dioxide emissions and low energy consumption. In addition, AA concrete has been known to have many beneficial properties compared with ordinary Portland cement (OPC) concrete such as rapid high strength ...

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Study on Compressive Strength of Ternary Blended Cement Mortars

Study on Compressive Strength of Ternary Blended Cement Mortars

... Ground Granulated Blast-furnace Slag (GGBS) and Silica Fume (SF) etc. A proper disposal of waste materials that are produced from various industries is a serious problem in many countries. Generation of industrial waste ...

6

Hydration and Strength Evolution of Ternary-Blend High-Volume Fly Ash Concretes

Hydration and Strength Evolution of Ternary-Blend High-Volume Fly Ash Concretes

... the development of sustainable green concrete using a range of readily available industrial waste ...(HVFA) concretes with cement replacement levels of 65% (HVFA-65) and 80% ...compressive strength, ...

13

Early age strength development of GGBS concrete cured under different temperatures

Early age strength development of GGBS concrete cured under different temperatures

... 132 The isothermal calorimeter test has some limitations when compared to the adiabatic tests. Unlike the adiabatic tests, where the actual concrete mix was used to measure the heat output of the cement in concrete, the ...

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Compressive Strength and Abrasion Resistance of Concretes under Varying Exposure Conditions

Compressive Strength and Abrasion Resistance of Concretes under Varying Exposure Conditions

... Compressive Strength The test results of the compressive strength of the investigated concrete mixture are shown in Figure ...compressive strength of the concrete mixtures in- creased as the cement ...

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Compressive Strength of Jordanian Cement Mortars

Compressive Strength of Jordanian Cement Mortars

... ABSTRACT Mortars have been prepared from six cement Jordanian brands and tested for their compressive strengths at 2, 7 and 28 ...The strength has been related to some physical ...compressive ...

6

Effects of the addition of nanosilica on the rheology, hydration and development of the compressive strength of cement mortars

Effects of the addition of nanosilica on the rheology, hydration and development of the compressive strength of cement mortars

... and development of the compressive strength of cement mortars including nanosilica and fly ...Compressive strength was evaluated at different ages up to 56 ...

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Application of photonics in determining the strength characteristics of composite concretes

Application of photonics in determining the strength characteristics of composite concretes

... mechanical strength characteristics of composite concretes at microscale and their subsequent effects on their bulk strength are not yet well ...the strength of concretes and other ...

5

Compressive strength at high temperature of recycled tire aggregate concretes

Compressive strength at high temperature of recycled tire aggregate concretes

... The authors observed a significant reduction in the pressure of the concrete mixture regardless the type of fibre used and its geometry. They also found that the longer fibers with smaller diameters attenuate the ...

7

Studies on Strength and Durability Properties of Polymer Modified Mortars as a Repair Material

Studies on Strength and Durability Properties of Polymer Modified Mortars as a Repair Material

... comes under this ...cement mortars. Repair materials were treated under acid and thermal cycles ...of mortars, grouts and polymer concrete, was the basis for this test ...

5

CONTACT STRENGTH OF MECHANOACTIVATED FINE CONCRETES FROM GRANULATED BLAST-FURNACE SLAGS

CONTACT STRENGTH OF MECHANOACTIVATED FINE CONCRETES FROM GRANULATED BLAST-FURNACE SLAGS

... fine concretes, using differential thermal and x-ray phase analysis methods, and physical-mechanical properties of fine concretes in accordance with the applicable standards of Ukraine, were car- ried ...

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