What is the effect of packing density in ultra high performance concrete?
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The packing density in ultra-high performance concrete (UHPC) has a significant effect on its properties. Increasing the packing density can improve the mechanical strength and durability of UHPC . Different methods, such as the maximum density methodology and the Punkte test method, have been used to measure and optimize the packing density of UHPC . By increasing the wet packing density, the porosity of UHPC can be minimized, leading to improved microstructure and mechanical properties . The inclusion of mineral admixtures and the use of high-quality coarse aggregates have been found to enhance the packing density of UHPC . Optimal packing density can result in higher compressive strength, energy absorption, and steel fiber-matrix bond strength, while excessive packing density can lead to a weaker bond strength and reduced impact resistance . Overall, optimizing the packing density is crucial for achieving the desired properties and performance of UHPC.
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| Papers (4) | Insight |
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20 May 2020 | The effect of packing density in ultra-high performance concrete is not explicitly mentioned in the provided paper. |
9 Citations | The paper discusses that incorporating limestone powder in ultra-high performance concrete optimizes the packing density, leading to a more densely compacted C-S-H and improved mechanical properties. |
| The provided paper is about the effect of aggregates packing with the maximum density methodology in pervious concrete. It does not discuss the effect of packing density in ultra high performance concrete. | |
17 Citations | The effect of packing density in ultra-high performance concrete (UHPC) is discussed in the paper. It is found that a decrease in the distribution modulus (q) can increase the wet packing density of UHPC, leading to improved properties and microstructure development. |
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