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influence of mixing techniques on properties of high

influence of mixing techniques on properties of high

Influence of mixing techniques on properties of high ...

Jan 01, 2001  To understand the influence of mixing technique on the HPC properties, the mixing sequence is changed to measure the relative loss in workability for each mixture whose hardened properties were studied. Table 2. HPC mixture

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Influence of mixing techniques on properties of high ...

influence of paste content on HPC properties, binder content is varied to determine the optimal dosage of SP [15–18]. To understand the influence of mixing technique on the HPC properties, the mixing sequence is changed to measure the relative loss in workability for each mixture whose hardened properties were studied. 4. Experimental procedure

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Influence of mixing techniques on properties of high ...

Influence of mixing techniques on properties of high performance concrete Ping-KunChang Yaw-NanPeng https://doi/10.1016/S0008-8846 (00)00439-7 Get rights and content Abstract Six mixing methods were used to prepare high performance concrete (HPC) of high flowability. The properties of the fresh and hardened concrete are measured.

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Influence of mixing techniques on properties of high ...

Six mixing methods were used to prepare high performance concrete (HPC) of high flowability. The properties of the fresh and hardened concrete are measured. It is found that adding all...

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國立交通大學機構典藏:Influence of mixing techniques on

Six mixing methods were used to prepare high performance concrete (HPC) of high flowability. The properties of the fresh and hardened concrete are measured. It is found that adding all superplasticizers (SP) in watts in one dose can ensure that workability can be maintained. The tested results identified a most efficient and economical method in making HPC. especially for

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國立交通大學機構典藏:Influence of mixing techniques on properties of ...

Six mixing methods were used to prepare high performance concrete (HPC) of high flowability. The properties of the fresh and hardened concrete are measured. It is found that adding all superplasticizers (SP) in watts in one dose can ensure that workability can be maintained. The tested results identified a most efficient and economical method in making HPC. especially for

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10.1016/S0008-8846(00)00439-7 DeepDyve

Jun 11, 2020  Mixing is especially important for high performance concrete (HPC) of low binder content. Poorly mixed concrete not only fails to meet the requirement of workability, but also affects its engineering properties. The following are the conventional mixing methods.

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Mixing Technologies in the Pharmaceutical and Medical ...

comprised of a rotor that turns at high speed within a stationary stator. As the blades rotate, materials are continuously drawn into one end of the mixing head and expelled at high velocity through the openings of the stator. The hydraulic shear generated promotes fast mixing, breaks down agglomerates and reduces the size of droplets.

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An approach to optimizing mix design for properties of ...

Abstract. Laboratory and in situ test results reveal that the densified mixture design algorithm (DMDA) can be used to produce high-performance concrete (HPC) of good durability and high workability. The water-to-solid (W/S) weight ratio is known to have significant influence on the volume stability of concrete.

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Factors affecting Concrete Mix Design - Happho

It is the major factor influencing the mix design. It is one of the most important properties of concrete and influences many other desirable properties of the hardened concrete. The mean compressive strength required at a specific age, i.e. 28 days, determines the nominal water-cement ratio of the mix.

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Color, Flavor, Texture, and Nutritional Quality of Fresh ...

According to Bourne (1982) the textural properties of a food are the “group of physical characteristics that arise from the structural elements of the food, are sensed by the feeling of touch, are related to the deformation, disintegration and flow of the food under a force, and are measured objectively by func-tions of mass, time, and ...

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PHYSICAL, THERMAL, AND MECHANICAL PROPERTIES OF

Physical properties of polymers include molecular weight, molar volume, density, degree of polymerization, crystallinity of material, and so on. Some of these are ... /plastic/high temperature thermoplastic) Brittle polymer (Glassy polymer/low temperature thermoset) Figure A1.13.

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(PDF) FIBRE REINFORCED CONCRETE- A CASE STUDY

Ready mixed concrete (RMC) is a composite material produced to achieve required properties by mixing quantity of constituents with the aid of computer control in batching plant. Then, it is ...

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Muffins - an overview ScienceDirect Topics

A. Salvador, S. Fiszman, in Fibre-Rich and Wholegrain Foods, 2013 11.3 Muffin properties 11.3.1 Colour properties. During muffin-making, which involves oven baking, a large quantity of Maillard reaction products is formed. These compounds are responsible for colour, as well as contributing to the flavour and texture properties (Pino and González-SanJosé, 2002).

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Thermophysical Properties of Materials - IAEA

energy mix is strengthening the IAEA’s statutory role in fostering the peaceful uses of nuclear energy, in particular the need for effective exchanges of information and collaborative research and technology development among Member States on advanced nuclear power

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Design Guidelines for the Selection and Use of Stainless ...

possibly for high-temperature conditions involving high acid and chloride con-tents), it resists organic chemicals, dyestuffs, and a wide variety of inorganic chemicals. Type 304 L (low carbon) resists nitric acid well and sulfuric acids at moderate temperature and concentrations. It is used extensively for storage of liquified

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Efficiency of Rice Husk Ash as Cementitious Material in ...

May 24, 2018  The potential and efficiency of using rice husk ash (RHA) to add up or partially replace Portland cement in deep cement mixing technique are examined. A series of unconfined compression tests on cement-RHA-stabilized clay are conducted to investigate the influence of RHA on the mixture properties. Special attention is paid to its efficiency for increasing the

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A Review of Glass-Ionomer Cements for Clinical Dentistry

Jun 28, 2016  The polymer influences the properties of the glass-ionomer cement formed from them. High molecular weights increase the strength of the set cement, but solutions of high molecular weight polymers have high viscosities, making them difficult to mix. Molecular weights are therefore chosen to balance these competing effects.

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Thermal conductivity of concrete – A review - ScienceDirect

The thermal conductivity (k-value) of cement-based materials like concrete is an important factor when considering the amount of heat transfer through conduction. The amount of heat loss through walls and roofs has a direct effect on the energy consumption of buildings. The steady state and transient methods are considered the two main thermal conductivity measurement

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Mixing Technologies in the Pharmaceutical and Medical ...

comprised of a rotor that turns at high speed within a stationary stator. As the blades rotate, materials are continuously drawn into one end of the mixing head and expelled at high velocity through the openings of the stator. The hydraulic shear generated promotes fast mixing, breaks down agglomerates and reduces the size of droplets.

get priceEmail Contact

Factors affecting Concrete Mix Design - Happho

It is the major factor influencing the mix design. It is one of the most important properties of concrete and influences many other desirable properties of the hardened concrete. The mean compressive strength required at a specific age, i.e. 28 days, determines the nominal water-cement ratio of the mix.

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Concrete Mixing Methods and Concrete Mixers: State of the Art

Apr 01, 2001  2.1.2 Pan Mixers . All pan mixers work on basically the same principle []: a cylindrical pan (fixed or rotating) contains the concrete to be mixed, while one or two sets of blades rotate inside the pan to mix the materials and a blade scrapes the wall of the pan.The shapes of the blades and the axes of rotation vary. Figure 4 shows the different combinations

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A basic guide to particle characterization

influence a wide range of material properties including, for example, reaction and dissolution rates, how easily ingredients flow and mix, or compressibility and abrasivity. From a manufacturing and development perspective, some of the most important physical properties to measure are: • particle size • particle shape • surface properties

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The Effect of Lubricants on Powder Flowability for ...

Jul 30, 2013  Examples of physical properties that influence powder flow include particle size and size distribution, density, surface morphology, and particle shape. In general, smaller particles with low densities and an irregular surface and shape exhibit decreased flow compared to large, smooth, and spherical particles with high densities ( 19 ).

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(PDF) Comparison of Low Shear, High Shear, and Fluid Bed ...

The objective of this work was to investigate the influence of key process variables of a gentle-wing high shear mixer on the uniformity of 1.0 % w/w albuterol sulphate/microcrystalline cellulose ...

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Extrusion Coating of Polyethylene Polypropylene

– High stiffness, low elongation – High melt temperature, 165° C – High heat deflection temperature – Lowest impact of the PP types – Most commonlyyg used in extrusion coatin g – Melt stabilized for E/C by addition of LDPE or by x-linking. Polypropylene Random Copolymer Random Copolymer

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PHYSICAL, THERMAL, AND MECHANICAL PROPERTIES OF

Physical properties of polymers include molecular weight, molar volume, density, degree of polymerization, crystallinity of material, and so on. Some of these are ... /plastic/high temperature thermoplastic) Brittle polymer (Glassy polymer/low temperature thermoset) Figure A1.13.

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(PDF) CLASSIFICATION OF MATERIALS - ResearchGate

First two section focuses mainly on mixing distinguished materials and additives with the base resin in order to achieve optimal mechanical properties in a roto-molded product.

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PVC COMPOUNDING PROCESSING

Nov 03, 2017  The compound is generated by intimately mixing together the ingredients, which is subsequently converted into the gelled article under the influence of heat (and shear). Depending on the type of PVC and additives, the compound prior to gelation can be a free-flowing powder (known as a dry blend) or a liquid in the form of a paste or solution.

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CARBON BLACK - ITS INFLUENCE SELECTION CRITERIA

High Structure Black is characterized by aggregates composed of may primary particles with considerable branching chaining. Low Structure Black is characterized by the minimized extent of aggregation. Higher structure creates void space within the aggregate and this will influence the rheological properties like viscosity in liquid media.

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Foam Concrete: A State-of-the-Art and State-of-the ...

Foam concrete (FC) has the potential of being an alternative to ordinary concrete, as it reduces dead loads on the structure and foundation, contributes to energy conservation, and lowers the cost of production and labor cost during the construction and transportation. The paper reports a state-of-the-art review of foam concrete in terms of its components, manufacturing and

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Advanced Materials Research Scientific.Net

“Advanced Materials Research” is a peer-reviewed journal which covers all aspects of theoretical and practical research of materials science: synthesis, analysis of properties, technologies of materials processing and their use in modern manufacturing. “Advanced Materials Research” is one of the largest periodicals in the field of materials engineering.

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1 Material Properties of Plastics - Wiley-VCH

Material Properties of Plastics 1.1 Formation and Structure The basic structure of plastics (or polymers) is given by macromolecule chains, formulated from monomer units by chemical reactions. Typical reactions for chain assembling are polyaddition (continuous or step wise) and condensation polymer-ization (polycondensation) [1] (Figure 1.1)..

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