concrete mix design using particle packing model

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CONCRETE MIX DESIGN USING PARTICLE PACKING MODEL

CONCRETE MIX DESIGN USING PARTICLE PACKING MODEL B BalaKalyan Sharath Kumar1, Shaziya1 1. Dr B R Ambedkar National Institute of Technology Jalandhar, India ABSTRACT. Grading of aggregates has the most significant effect on Packing Density (PD) of aggregates. An important property of multi particle systems is the PD. The packing density is

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Design of Concrete Mix Proportion Based on Particle ...

2.1. Basic Model of Particle Packing. Coarse aggregates, fine aggregates, and cementitious materials are granular materials in concrete. Considering the mutual filling of particles with different particle sizes, the particles are packed with the goal of achieving maximum compactness or minimum void ratio after the particles are mixed.

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(PDF) Optimised Mix Design for Normal Strength and High ...

Gopinath et al (2011) investigated for the mix design of M30 and M40 grade concrete using particle packing model (PPM) and EMMA analytical tool [30]. It was observed that the compressive strength ...

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A New Mix Design Method for UHPC based on Stepwise ...

Keywords: ultra-high performance concrete (UHPC), self-compacting concrete, particle packing density, concrete mix design, concrete rheology 1. Introduction Mix design is one of the most important tasks of UHPC production. It focuses on optimizing the properties of concrete in fresh and hardened states. The particle packing density optimization for

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Using particle packing technology for sustainable concrete ...

Using particle packing technology for sustainable concrete mixture design Sonja A.A.M. Fennis, Joost C. Walraven Delft University of Technology, the Netherlands The annual production of Portland cement, estimated at 3.4 billion tons in 2011, is responsible for about 7% of the total worldwide CO2-emission. To reduce this environmental impact it is

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(PDF) Concrete Mix Design By Packing Density Method

Packing density is new kind of mix design method used to design different types of concrete. To optimize the particle packing density of concrete, the particles should be selected to fill up the ...

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Review of Particle Packing Theories Used For Concrete Mix ...

Particle packing theories proposed by various researchers is an advanced step in this direction. This paper presents a review of these theories. Index Terms – Angularity, Coarse Aggregate, Concrete Mix Proportioning, Digital Image Processing, Particle packing Theories, Shape, Surface Texture.

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Using Theoretical And Experimental Particle Packing For ...

freeze/thaw resistance and lower shrinkage rate. Finally, a mix design improvement procedure incorporating theoretical and experimental particle packing and using excess paste-to-aggregates ratio as the control parameter was proposed. To sum up, the study has justified that the Modified Toufar Model and the combined void content test can be

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Packing calculations applied for concrete mix design

The paper presents a packing model which can be used to optimise the aggregate, both the theory behind, the available computer program and the necessary ... The packing approach for concrete mix design differs from the traditional concrete mix ... Material Particle sizes, mm Measured packing Calculated mono-disperse packing Sea sand 0-1 0.62 0.55

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The use of particle packing models to design ecological ...

3 Theoretical design method for cement pastes Particle packing optimization techniques, such as the model presented above, help us to design an optimal particle structure of concrete. However, to make concrete flowable a certain amount of water is required. This is

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Particle Packing: An Effective Approach to Optimize Design ...

• Particle packing in mix design Motivation: To minimize void fraction while ensuring sufficient workability and performance Further reduce w/cm Densify pre-hydrated mixture Densify hydration product Particle packing models Continuous Discrete 19

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(PDF) Assessing particle packing based self-consolidating ...

A particle-packing based mix design method, originally proposed by Brouwers, is modified and applied to the design of self-consolidating concrete (SCC) mix proportions. The essence of this method is to improve particle packing of the concrete system

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Study of low-cement concrete mix-design through particle ...

Fennis developed a concrete mix-design method resulting in a low-cement consumption using particle packing techniques, so that replacing cement with mineral admixtures is done according to a rational and structured procedure. By adding quartz powder and fly ash in levels of 34 and 24%, respectively, the author enabled mixtures with 57% less ...

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Particle Packing and Mixture Design Approach for Eco-SCC

Particle Packing and Mixture Design Approach for Eco-SCC Kamal H. Khayat ... ¦ 1 mix i tar i o n RSS i P D P D D min and D max: min. and max. particle sizes P tar ... Optimization of PSD Using Modified AA Model Reference Concrete type Binder (kg/m3) w/cm Granular materials q Brouwers and Radix (2005) SCC 315 0.55

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Design of Concrete Mix Proportion Based on Particle ...

According to the basic principle of dense packing of particles, and considering the interaction between particles, a dense packing model of granular materials in concrete was proposed. During the establishment of this model, binary particle packing tests of crushed stone and sand were carried out. The fitting analysis of the test results determines the relationship between the particle size ...

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[PDF] Concrete Mix Design By Packing Density Method ...

Packing density is new kind of mix design method used to design different types of concrete. To optimize the particle packing density of concrete, the particles should be selected to fill up the voids between large particles with smaller particles and so on, in order to obtain a dense and stiff particle structure. Higher degree of particle packing leads to minimum voids, maximum density and ...

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Proposed mix design method for sustainable high-strength ...

Aug 20, 2020  Mix design method for sustainable HSC using particle packing methods is proposed. • The fine materials and aggregates proportions are defined based on the CPM model. • HSC with 104 MPa of compressive strength was obtained with 336 kg/m 3 of cement. • It was possible to produce a HSC with a cement consumption of only 3.2 kg/m 3 /MPa. •

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Design of ecological concrete by particle packing ...

Design of ecological concrete by particle packing optimization Pieter Ballieu Supervisor(s): Prof. dr. ir. Geert De Schutter Dr.ir. Jeroen Dils Abstract – This master thesis tried to design an ecological concrete, based on an optimization of the packing of the aggregates, using the Compressible Packing Model (CPM). In the first

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APPLICATION OF PARTICLE PACKING THEORY IN ULTRA

break it. In this article the due consideration has been on using postulates of the particle packing and developing a mix design for UHSC. We shall also study the mix design of M100 grade concrete. Keywords: Transition Zone, Particle Packing, Ultra High Strength Concrete (UHSC), and Concrete

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(PDF) Ultra High Performance Concrete Preparation ...

idealized method for the proper mix design or ... Walraven J C and Den Uijl J A 2 009 The use of particle packing ... (AA) particle packing model were used to investigate the effects of q on the ...

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PACKING CALCULATIONS APPLIED FOR CONCRETE MIX DESIGN ...

When selecting a concrete mix design, it is always desirable to compose the aggregates as densely as possible, i.e. with maximum packing. That minimises the necessary amount of binder which has to fill the cavities between the aggregates for a constant concrete workability. Apart from an obvious economic benefit, a minimum of binder in concrete results in less shrinkage and creep and a more ...

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Particle Packing for Concrete Mix Design : Models vs. Reality

The packing density of aggregates is of great importance in concrete mix design as obtaining a higher packing density leads to less usage of cement paste which has technical, environmental and economic benefits. It is thus of interest to model particle packing correctly.

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Fundamentals of Concrete - USDA

Add water = free-water shown on the mix design – aggregate free-water For example, consider a concrete mix design that calls for 282-pounds of water (i.e. free-water) and contains 1100 pounds of fine aggregate and 2000 pounds of coarse aggregate. The mix design shows fine aggregate absorption to be 2% and coarse aggregate absorption to be 1%.

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Assessing particle packing based self-consolidating ...

A particle-packing based mix design method, originally proposed by Brouwers, is modified and applied to the design of self-consolidating concrete (SCC) mix proportions. The essence of this method is to improve particle packing of the concrete system and reduce the paste quantity while maintaining concrete quality and performance.

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Particle Packing for Concrete Mix Design : Models vs. Reality

The packing density of aggregates is of great importance in concrete mix design as obtaining a higher packing density leads to less usage of cement paste which has technical, environmental and economic benefits. It is thus of interest to model particle packing correctly.

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"Using Theoretical And Experimental Particle Packing For ...

Apr 29, 2019  Finally, a mix design improvement procedure incorporating theoretical and experimental particle packing and using excess paste-to-aggregates ratio as the control parameter was proposed. To sum up, the study has justified that the Modified Toufar Model and the combined void content test can be useful tools in aggregate gradation optimization.

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Design of ecological concrete by particle packing ...

Design of ecological concrete by particle packing optimization Pieter Ballieu Supervisor(s): Prof. dr. ir. Geert De Schutter Dr.ir. Jeroen Dils Abstract – This master thesis tried to design an ecological concrete, based on an optimization of the packing of the aggregates, using the Compressible Packing Model (CPM). In the first

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Comparison of particle packing models for proportioning ...

This paper reports the findings of a study of four particle packing models used to proportion the mix constituents (solid particles) of concrete to produce a minimum voids ratio (or maximum packing density). The models have been compared using laboratory tests and published data. The basic mathematics of the models is discussed, particularly how each model defines the particle size ...

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Modeling and Experimental Evaluation of Aggregate Packing ...

Mar 03, 2019  This research investigates the effects of aggregate proportioning on the basis of theoretical particle packing models and verifies the predicted results with experimental data from compaction of concrete aggregates. The experimental, theoretical, and computational approaches are compared on the basis of the packing of the binary and ternary blends.

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(PDF) Ultra High Performance Concrete Preparation ...

idealized method for the proper mix design or ... Walraven J C and Den Uijl J A 2 009 The use of particle packing ... (AA) particle packing model were used to investigate the effects of q on the ...

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The 4-parameter Compressible Packing Model (CPM) for ...

use models. This article deals with the particle packing and the concrete rheology by calling upon the last generation of the Compressible Packing Model (CPM): the 4-parameter CPM. To achieve its sustainable revolution, the concrete calls upon science to become a high-tech material.

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Designing and Proportioning Normal Concrete Mixtures ...

inclusion, exclusion, or limits on specific ingredients. Mix design leads to the development of a concrete specification. Mixture proportioning refers to the process of deter-mining the quantities of concrete ingredients, using local materials, to achieve the specified characteristics of the concrete. A properly proportioned concrete mix should

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Production methods for reliable construction of ultra-high ...

Aug 04, 2016  Mix design procedures were developed around the core strategy of maximizing the packing and ensuring distributed size distribution of the particulate matter in UHPC for achieving ultra-high strength levels and desired fresh mix workability using locally available materials and concrete-making facilities. The linear density packing model and the continuously graded particle packing model ...

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Improved Powder Equivalence Model for the Mix Design of ...

The use of fly ash (FA) limestone and powder (LP) in combination with cement in concrete has several practical, ecological, and economic advantages by reducing carbon dioxide emissions, reducing the excessive consumption of natural resources, and contributing to a cleaner production of self-compacting concrete (SCC). A mix design method for SCC based on paste rheological threshold theory can ...

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Mix model for self-compacting concrete with recycled ...

Jan 23, 2017  In the present work, three grades of recycled-aggregate self-compacting concrete mixes without and with steel fibres were developed using the compressible packing model. To qualify the mixes developed, fresh properties such as slump flow, J-ring, V-funnel and L-box tests were conducted and checked for the satisfaction of European Federation of ...

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Top simple mix design method for self-compacting concrete ...

Apr 24, 2020  Particle packing method . Particle packing method proposes a solid suspension model for mix design of SCC with or without confinement. It developed a mix design method for medium-strength flowing concrete with low cement content. It applies the densified mixture design algorithm for foundation mix concrete design. The mixture design method was ...

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