active control of properties of concrete a (p)review

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Active control of properties of concrete: a (p)review

2018-10-22  Active control of properties of concrete: a (p)review Geert De Schutter . Karel Lesage Received: 20 August 2018/Accepted: 10 September 2018/Published online: 20 September 2018 The Author(s) 2018 Abstract Concrete properties to a large extent depend on mix design and processing, currently leaving only limited options to actively modify

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Active control of properties of concrete: a (p)review ...

2018-9-20  Concrete properties to a large extent depend on mix design and processing, currently leaving only limited options to actively modify concrete properties during or after casting. This paper gives a (p)review on a more advanced active control of properties of concrete, based on the application of external signals to trigger an intended response in the material, either in fresh or hardened state ...

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Active control of properties of concrete: a (p)review

2018-9-20  Concrete properties to a large extent depend on mix design and processing, currently leaving only limited options to actively modify concrete properties during or after casting. This paper gives a (p)review on a more advanced active control of properties ...

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(PDF) Active control of properties of concrete: a (p)review

This paper gives a (p)review on a more advanced active control of properties of concrete, based on the application of external signals to trigger an intended response in the material, either in ...

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Active control of properties of concrete : a (p)review

Concrete properties to a large extent depend on mix design and processing, currently leaving only limited options to actively modify concrete properties during or after casting. This paper gives a (p)review on a more advanced active control of properties of concrete, based on the application of external signals to trigger an intended response in the material, either in fresh or hardened state.

Get price

Active control of properties of concrete: a (p)review ...

2018-9-20  This paper gives a (p)review on a more advanced active control of properties of concrete, based on the application of external signals to trigger an intended response in the material, either in fresh or hardened state. Current practices in concrete industry that could be considered as active control are briefly summarized.

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Active control of properties of concrete : a (p)review - CORE

Concrete properties to a large extent depend on mix design and processing, currently leaving only limited options to actively modify concrete properties during or after casting. This paper gives a (p)review on a more advanced active control of properties of concrete, based on the application of external signals to trigger an intended response ...

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Active control of properties of concrete: a (p)review - CORE

Download PDF: Sorry, we are unable to provide the full text but you may find it at the following location(s): link.springer/conte... (external link)

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Properties of Concrete - Workability, Setting, Bleeding ...

2017-3-19  Fresh concrete is that stage of concrete in which concrete can be moulded and it is in plastic state. This is also called "Green Concrete". Another term used to describe the state of fresh concrete is consistence, which is the ease with which concrete will flow. The transition process of changing of concrete

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10 Properties of Concrete and their Uses - The Constructor

2016-5-6  10 Properties of Concrete and their Uses. Properties of concrete are influenced by many factors mainly due to mix proportion of cement, sand, aggregates and water. Ratio of these materials control the various concrete properties which are discussed below. 1. Grades of concrete.

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Properties of Concrete: A. M. Neville: 9780273755807 ...

The Properties of Concrete has always been an essential reference book for anyone dealing with concrete both as a constructional and a structural material. The Fifth

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Properties of Concrete - Workability, Setting, Bleeding ...

2017-3-19  Fresh concrete is that stage of concrete in which concrete can be moulded and it is in plastic state. This is also called "Green Concrete". Another term used to describe the state of fresh concrete is consistence, which is the ease with which concrete will flow. The transition process of changing of concrete

Get price

CONCRETE Optimizing the Use of Fly Ash in Concrete

2014-9-29  concrete grow dramatically with close to 15 million tons used in con-crete, concrete products and grouts in the U.S. in 2005 (ACAA 2006). Historically, fly ash has been used in concrete at levels ranging from 15% to 25% by mass of the cementitious material component.The actual amount used varies widely depending on the application, the properties

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Quality of Water for Making Concrete: A Review of

2021-6-4  International Journal of Scientific and Research Publications, Volume 5, Issue 1, January 2015 3 ISSN 2250-3153 a) Natural water or fresh water rarely contains more than 2000 ppm of dissolved solids, and is generally suitable for making

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Cement Standards and Concrete Standards

ASTM's cement and concrete standards are instrumental in the evaluation and testing of concrete, cement, and aggregates. Concrete can have different properties depending upon the mixture that is used in creating it, which contains cement, chemical admixtures, and aggregates.

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Use of Water Reducers, Retarders, and Superplasticizer

2000-3-30  WRA has been used primarily in hot weather concrete placing, pumping, and tremie. Careful concrete placement is required, as the initial setting time of concrete will take place an hour earlier. It is also shown that the use of WRA will give a higher initial concrete compressive strength (up to 28 days) by 10% compared to the control

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Cement Types

Note: For a thorough review of US cement types and their characteristics see PCA’s Design and Control of Concrete Mixtures, EB001 or Effect of Cement Characteristics on Concrete Properties, EB226. Physical and Chemical Performance Requirements

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3D printing using concrete extrusion: A roadmap for ...

2018-10-1  Large-scale, cement-based additive manufacturing processes, often referred to as 3D concrete printing (3DCP), have been under development for the last 10 years and more than 30 groups world-wide are currently engaged in research. 3DCP disposes of the need for conventional moulds by precisely placing, or solidifying, specific volumes of material in sequential layers by a computer

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What are Different Tests for Concrete Quality Check? - The ...

Different quality tests on concrete such as compressive strength tests, slump tests, permeability tests etc.are used to assure the quality of the concrete that is supplied for a given specification. These quality tests on concrete give an idea about the properties of concrete such as strength, durability, air content, permeability etc. 1.

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130+ million publications organized by topic on ResearchGate

ResearchGate is a network dedicated to science and research. Connect, collaborate and discover scientific publications, jobs and conferences. All for free.

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CONCRETE Optimizing the Use of Fly Ash in Concrete

2014-9-29  concrete grow dramatically with close to 15 million tons used in con-crete, concrete products and grouts in the U.S. in 2005 (ACAA 2006). Historically, fly ash has been used in concrete at levels ranging from 15% to 25% by mass of the cementitious material component.The actual amount used varies widely depending on the application, the properties

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Foundation Design - Texas AM University

2015-8-29  pA = active soil pressure P = name for axial force vector = force due to a pressure ... Soil is another building material and the properties, just like the ones necessary for steel and concrete and wood, must be known before designing. ... control settlements of mats or slabs.

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Cement Standards and Concrete Standards

ASTM's cement and concrete standards are instrumental in the evaluation and testing of concrete, cement, and aggregates. Concrete can have different properties depending upon the mixture that is used in creating it, which contains cement, chemical admixtures, and aggregates.

Get price

Cracks and Crack Control in Concrete Structures

2018-11-1  1987, p. 109. ing in concrete structures. In this paper, causes of concrete cracking are dis-cussed, including tensile strength of concrete, temperature, shrinkage and creep effects. Recommended crack widths are presented along with design methods for sizing reinforcement to control crack widths. CAUSES OF CRACKING Concrete can crack due to a ...

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What are Different Tests for Concrete Quality Check? - The ...

Different quality tests on concrete such as compressive strength tests, slump tests, permeability tests etc.are used to assure the quality of the concrete that is supplied for a given specification. These quality tests on concrete give an idea about the properties of concrete such as strength, durability, air content, permeability etc. 1.

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Seven Must-Use Concrete Admixtures (Additives)

2021-6-2  Concrete admixtures can improve concrete quality, manageability, acceleration, or retardation of setting time, among other properties that could be altered to get specific results. Many, not to say all, concrete mixes today contain one or more concrete

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Medicinal Properties of Nardostachys jatamansi (A Review ...

Introduction. Nardostachys jatamansi DC is a small perennial, rhizomatous herb which grows in steep, moist, rocky, undisturbed grassy slopes of India, Nepal, China and Bhutan from 2300 m to 6000 m above sea level.Polyploidy occurs in V. officinalis and there are diploid, tetraploid and octaploid types.The long sessile and oblong-ovate leaves are 15 to 20 cm in length.

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CALL FOR ORIGINAL RESEARCH PAPERS – October

78. field data based mathematical modeling (fdmm): state of the art and literature review (page 628-640) ashish d vikhar , dr.d.sshmukh, dr. j.p.modak . 79. active and reactive power control through p-q controller base system to replicate the behavior of full power converter of wind turbine (page 641-647) abdullah al mahfazur rahman. 80.

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(PDF) Sources of cellulose and their applications- A review

Cellulose is a polysaccharide polymers.The amalgamation of polymer and pharmaceutical sciences led to the introduction of polymer in the design and development of drug delivery systems.

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Properties of Nano-materials - SlideShare

2015-4-20  Properties of Nano-materials 1. Properties of A Report on 2. CONTENTS TOPIC PAGE NO. INTRODUCTION 1-2 MECHANICALPROPERTIES 3-7 MAGNETICPROPERTIES 8-14 OPTICAL PROPERTIES 15-18

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