Design concrete mixes were theoretically arrived using aggregate packing concept with different combinations of two phase system (mortar and fly ash aggregate).
The concrete mixes designed using the modified Brouwers mix design algorithm and particle packing concept had a potential to reduce up to 20% binder content compared to existing SCC mix proportioning methods and still maintain good performance.
The stationary porous structure was modeled using the packed bed concept in the FLUENT commercial CFD code.
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Using packing theory concepts, the aggregate gradation is divided into three aggregate structures which are oversize, primary and secondary structures.
Our fast-food culture has neither the time nor the aptitude to digest anything more than issue-obfuscating happy talk and sound bites packed with amorphous concepts like values, hope, security and opportunity.
In this study, a new procedure was employed to obtain the mix design based on the particle packing (PP) concept to ensure the fresh and hardened properties of SCC are achieved.
A purpose-built test rig, based on a dynamically operated packed bed reactor concept, was designed, fabricated and commissioned.
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Based on a linear correlation between amino acid packing values and interhelical propensity, we propose the concept of a helix packing moment to predict the orientation of helices in helical membrane proteins and membrane protein complexes.
