What is the impact of mixing materials on the strength of concrete?
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The mixing of materials significantly influences the strength of concrete. Different mixing methods, such as continuous mixing versus intermittent mixing, affect concrete properties like workability and compressive strength. Additionally, the sequence of adding raw materials during mixing can impact the fresh and hardened properties of concrete. Utilizing alternative materials like glass powder, slag, and fly ash as replacements for traditional components can enhance concrete strength while addressing sustainability concerns. Techniques like triple mixing (3M) and prolonged mixing time have been studied to assess their effects on concrete strength properties, showing both positive and negative impacts on compressive and tensile strengths. Overall, the choice of mixing method and materials plays a crucial role in determining the strength characteristics of concrete.
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| Papers (5) | Insight |
|---|---|
22 Oct 2018 | The mixing technique, particularly the triple mixing (3M) method, and prolonged mixing time have a slight impact on the strength characteristics of concrete, with up to 8.5% variation in strength values. |
01 Jan 2019 1 Citations | Mixing water with additives like plasticizers, pigments, and biocidal agents enhances impact strength of underground cement materials, as shown in the study on impact strength of cement composites. |
36 Citations | Different mixing methods affect fresh and hardened properties of alkali-activated materials. Hybrid mixing shows improved slump-flow and compressive strength compared to conventional methods, without altering chemical composition. |
32 Citations | Mixing materials like alternative mineral admixtures, steel fibers, and hybrid fibers can enhance concrete strength significantly, with four-stage mixing showing up to 22% strength improvement compared to three-stage mixing. |
| Different mixing methods and durations affect concrete strength in hot weather conditions. Continuous mixing shows slightly higher compressive strengths than intermittent mixing, with variations influenced by superplasticisers. |
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