Experimental study on similar materials for tunnel lining concrete …
101· Using gypsum, white cement, barite powder, quartz sand, and water as raw materials, a similar material of tunnel lining concrete was developed by orthogonal design.
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Compressive strength (kg/cm 2 ) of cement with …
Compressive strength (kg/cm 2 ) of cement with different concentrations of coarse barite aggregate of grain size 250-600 μm at different storage times.
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Compressive strength of concrete made with magnetite and barite …
Download scientific diagram | Compressive strength of concrete made with magnetite and barite upon replacing sand with the fine portions of coarse aggregate cured in tap water at 7, 28 and …
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Range analysis of the factors affecting uniaxial compressive strength
Download scientific diagram | Range analysis of the factors affecting uniaxial compressive strength. from publication: Mixing Ratios and Cementing Mechanism of Similar Silty Mudstone …
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Improving the resistance of ultra-high-performance concrete …
101· The compressive strength of a mixture containing 40% barite aggregate (of aggregate volume) was considered to be an optimal UHPC mixture for simultaneous …
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Effects of aggregate preheating and polymer fibers on the …
202496· The study by Kök et al. [26] found that a temperature of 300 °C reduced the compressive strength of barite concrete by 34 %. and the decrease rate of tensile strength …
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Influence of barium and lithium compounds on silica autoclaved
2019111· The silicates materials are autoclaved material, which leads to its substantial fire resistance (class A). This kind of material sometimes is underestimated, despite their …
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The constituents, properties and application of heavyweight concrete…
2019810· Approximately 315 kg/m3 cement content and 0.69 w/c ratio were used. The density and the compressive strength of concrete with this type of aggregate were initially …
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Barite powder as sand substitution in concrete: Effect on some
2015101· It is evident that tensile strength decreases with the percentage of barite incorporated into the concrete and reaches 50% for a total substitution of sand by barite …
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The influence of nano-silica and barite aggregate on properties of
20161115· Concrete with barite powder as sand substitution in range between 0% and 25% has decreased the compressive strength at 28 days only by 10% and elastic modulus at …
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Enhancing shielding efficiency of ordinary and barite concrete in
20241029· Concrete strength typically increases over time, with compressive strengths ranging from 20 to 60 MPa after 28 days of curing 36. Concrete technology advancements …
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Experimental Study on Early Drying Shrinkage of Self-compacting Barite …
41· This content was downloaded from IP address 185.218.6.204 on 29/04/ at 20:40
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Strength and nuclear shielding performance of heavyweight …
61· The attenuation coefficient could be estimated theoretically using WinXCom with errors in the range of 12% to −15%. The use of special natural aggregates such as …
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Determination of the mechanical properties and gamma
Some research indicates that heavyweight aggregates like barite can diminish compressive strength, whereas magnetite might enhance it [13], [14]. Gamma irradiation within the range …
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(PDF) Effect of Compressive Strength on γ-Radiation Attenuation
The linear attenuation coefficients were measured at 0.663 MeV γ-rays energy of 137 Cs radioactive using NaI (Tl) scintillation detector. It was found that the compressive strength of …
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Mechanical performance of heavy concrete with barite against …
2024614· The findings of this research illuminate that barite concrete exposed to acid precipitation experiences an 18% reduction in compressive strength and a 35% decrease in …
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Physical and Mechanical Properties of High-Density Concrete
Five series of concrete mixes with a total number of 80 specimens (cubes and cylinders) of the same compressive strength of 30 MPa (M30 grade) are produced, casted, and tested as per …
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Compressive strength and Schmidt hardness of concretes with barite …
Download scientific diagram | Compressive strength and Schmidt hardness of concretes with barite aggregate and different cement quality as functions of w/c, Topçu (2003) from …
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Investigation of Gamma Ray Shielding and Compressive Strength …
81· heavyweight aggregates such as ferrophosphorous and barite have a lower compressive strength was observed to be in the range of 0.128 cm⁻¹ to 0.260 cm⁻¹, …
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REVIEW PAPER ON USE OF BARITE POWDER IN CONCRETE
After 28th day testing, When compared to control mix, the compressive strength obtained for control mix is 36.44 N/mm2, for 5% barites and 5% lime replacement is 23 N/mm2, for 10% …
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Compressive strength (kg/cm 2 ) of cement with different …
Compressive strength (kg/cm 2 ) of cement with different concentrations of coarse barite aggregate of grain size 250-600 μm at different storage times.
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Investigation of some physical and mechanical …
20101218· For the experiments, 6 series of concrete containing 0, 10, 20, 30, 40 and 50% volume of barite aggregate were prepared. To determine thermal conductivity coefficient, this ratio was increased to...
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Mechanical and radioactivity shielding performances of mortars …
2014115· It is recommended that controls should be based on a dose in the range of 0.3–1 The compressive strength tests were carried out according to EN 196-1 and the …
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Compressive strength of concrete made with barite
Download scientific diagram | Compressive strength of concrete made with barite, magnetite, goethite and serpentine coarse aggregates cured in tap water at 7, 28 and 90days. from …
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Mechanical Properties and Gamma Radiation Transmission Rate of
315· The results indicated that both compressive and tensile strength was decreased by increasing the ratio of barite aggregates. The rate in reduction of compressive strength and …
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Optimization of reactive powder concrete by means of barite …
1120· Compressive strength reduction due to barite substitution can be attributed to four possible reasons: less compressive strength of barite than that of quartz, of radiation …
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Mechanical properties and reasonable proportions of granite …
2025226· Their compressive strength range is 109.85–1105.48 kPa. (Their target compressive strength range is 210.67–894.33 kPa.) The effects of m iron+barite /m …
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Compressive strength (kg/cm 2 ) of cement with 5% coarse barite
Download scientific diagram | Compressive strength (kg/cm 2 ) of cement with 5% coarse barite aggregate of different grain sizes at different storage times. from publication: Utilization of …
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Compressive and Flexural Strength of Concrete with Different
The compression strength decreases as the rice husk content increases by replacing 1% of cement with nanoalumina particles; concrete 28-day compressive strength was increased by …
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The shielding of γ-rays by concretes produced with barite
All the nuclear shielding parameters revealed the uppermost values for cement mixed with 5% barite of size range 250-600 µm. The attenuation coefficient of the investigated samples …
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