the performance of high fluidity concrete for normal

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The performance of high fluidity concrete for normal ...

Feb 15, 2017  Normal strength concrete (∼40 MPa) with a workability comparable to near-SCC was developed in order to study the potential of high-fluidity concretes for use in regular applications in order to enhance performance and reduce labour, similar to the use of regular SCC. 3.

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The performance of high fluidity concrete for normal ...

For normal strength concrete structures, the performance of high fluidity concrete would be sufficient, providing an affordable and more cost-effective solution than SCC for the construction market. The objective of the current research was to explore the properties of fresh and hardened high fluidity concrete composed of a high amount of fine ...

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The performance of high fluidity concrete for normal ...

For normal strength concrete structures, the performance of high fluidity concrete would be sufficient, providing an affordable and more cost-effective solution than SCC for the construction market.

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Flow Performance of High-Fluidity Concrete Journal of ...

Dec 06, 2004  Furthermore, the effects of normal stress and environmental temperature on the flow behavior of high fluidity concrete were investigated quantitatively. Finally, a shear test apparatus was developed and a series of shear tests were performed to verify the obtained theoretical results.

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FLOW PERFORMANCE OF HIGH-FLUIDITY CONCRETE

FLOW PERFORMANCE OF HIGH-FLUIDITY CONCRETE. The study takes a microscopic approach to the flow performance of high fluidity concrete. A particle assembly model is proposed for fresh concrete, and its flow mechanism is clarified for the condition where its granular material character is also taken into account together with its liquid character.

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Flow Performance of High-Fluidity Concrete Journal of ...

Dec 06, 2004  Furthermore, the effects of normal stress and environmental temperature on the flow behavior of high fluidity concrete were investigated quantitatively. Finally, a shear test apparatus was developed and a series of shear tests were performed to verify the obtained theoretical results.

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Study on the Fluidity and Strength Properties of High ...

Oct 17, 2012  Recently, it has been difficult to get natural sand for concrete due to an insufficient supply in Korea. Crushed sand was thought as a substitute and previous research has been focused on low fluidity and normal compressive strength (24–30 MPa). Study on high performance concrete using crushed sand is hardly found in Korea. In this study it was investigated that the effect of the crushed ...

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FLOW PERFORMANCE OF HIGH-FLUIDITY CONCRETE

FLOW PERFORMANCE OF HIGH-FLUIDITY CONCRETE. The study takes a microscopic approach to the flow performance of high fluidity concrete. A particle assembly model is proposed for fresh concrete, and its flow mechanism is clarified for the condition where its granular material character is also taken into account together with its liquid character.

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Study on the Fluidity and Strength Properties of High ...

Oct 17, 2012  Recently, it has been difficult to get natural sand for concrete due to an insufficient supply in Korea. Crushed sand was thought as a substitute and previous research has been focused on low fluidity and normal compressive strength (24–30 MPa). Study on high performance concrete using crushed sand is hardly found in Korea. In this study it was investigated that the effect of the crushed ...

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An Estimation on the Performance of High Fluidity Anti ...

The adequate mix proportions of a high fluidity anti-washout underwater concrete satisfying a design compressive strength of 35 MPa, slump flow larger than 600 mm and with less than 50 mg/ℓ of ...

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An Estimation on the Performance of High Fluidity Anti ...

The adequate mix proportions of a high fluidity anti-washout underwater concrete satisfying a design compressive strength of 35 MPa, slump flow larger than 600 mm and with less than 50 mg/ℓ of suspended solids is derived and the corresponding characteristics are evaluated. Access through your institution. Add to Cart.

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High Performance Concrete Topic

Jul 31, 2021  High-performance concrete (HPC) is concrete that has been designed to be more durable and, if necessary, stronger than conventional concrete. HPC mixtures are composed of essentially the same materials as conventional concrete mixtures, but the proportions are designed, or engineered, to provide the strength and durability needed for the structural and environmental

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A Study on the Evaluation of Field Application of High ...

Oct 04, 2015  In the recent concrete industry, high-fluidity concrete is being widely used for the pouring of dense reinforced concrete. Normally, in the case of high-fluidity concrete, it includes high binder contents, so it is necessary to replace part of the cement through admixtures such as fly ash to procure economic feasibility and durability. This study shows the mechanical properties and field ...

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An Estimation on the Performance of High Fluidity Anti ...

An Estimation on the Performance of High Fluidity Anti-Washout Underwater Concrete Author: Park, Jung Jun Moon, Jae Heum Park, Jun Hyoung Kim, Sung Wook Journal: Key

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Normal-Weight Concrete Civil Engineering

(‘‘Recommended Practice for Selecting Proportions for Normal, Heavyweight, and Mass Concrete,’’ ACI 211.1.) High-Performance Concretes. These concretes either have a high design strength (more than 6000 psi for normalweight concrete and 5000 psi for lightweight concrete) or will be subjected to severe service environments.

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Types of Concrete Characteristics Concrete Classification

Feb 14, 2017  It can be also categorized as high performance concrete as the ingredients are the same, but in this type of concrete workability is increased. This self-consolidating concrete is characterized by: Extreme fluidity as measured by flow, typically between 650-750 mm on a flow table, rather than slump (height).

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High Performance Concrete - SlideShare

Apr 08, 2015  High Performance Concrete • High performance concrete (HPC) is a specialized series of concrete designed to provide several benefits in the construction of concrete structures that cannot always be achieved routinely using conventional ingredients, normal mixing and curing practices.

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Difference between Normal Concrete and High Strength ...

Aug 17, 2020  1. The water cement ratio is used in normal concrete is 0.6. The water cement ratio is used in high strength concrete is 0.25 to 0.35. 2. Moderate quantity of cement is used in normal concrete. High amount or quantity of cement is used in high strength concrete. 3.

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10.1016/j.conbuildmat.2016.12.042 DeepDyve

Jun 11, 2020  Read "10.1016/j.conbuildmat.2016.12.042" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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Ductal: An Ultra-high Strength Concrete Looking for ...

May 01, 2006  This impressive feat can be accomplished with Ductal, a revolutionary, ultra-high-performance material that delivers up to 30,000 psi compressive strength and rivals the strength of metal. While steel maintains a significant advantage in tensile and flexural strength, Ductal has reduced that gap as well. Normal concrete, for example, has almost ...

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Recycling of tailings from Korea Molybdenum Corporation as ...

Nov 27, 2010  The main objective of this study is to develop an eco-friendly and a large recycling technique of flotation Tailings from korea (TK) from metal mines as construction materials such as admixtures for high-fluidity concrete (HFC). TK used in this study was obtained from the Korea Molybdenum Corporation in operation. TK was used as the alternative material to adjust flowability

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AN EXPERIMENTAL STUDY ON HIGH PERFORMANCE BACTERIAL CONCRETE

AN EXPERIMENTAL STUDY ON HIGH PERFORMANCE BACTERIAL CONCRETE. ... like h igh fluidity, high ... The lower water ab sorption was observed up to certain ad dition in concrete compared to normal

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High-Performance Concrete, Chapter 17 - Memphis

MPa (6,000 psi) high-performance concrete for bridges could be eco-Fig. 17-1. High-performance concrete is often nomically made while used in bridges (left) and tall buildings (right). (70017, 70023) High-performance concrete (HPC) exceeds the properties and constructability of normal concrete. Normal and spe-

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An Estimation on the Performance of High Fluidity Anti ...

The adequate mix proportions of a high fluidity anti-washout underwater concrete satisfying a design compressive strength of 35 MPa, slump flow larger than 600 mm and with less than 50 mg/ℓ of suspended solids is derived and the corresponding characteristics are evaluated. Access through your institution. Add to Cart.

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Review of Ultra-High Performance Concrete and Cost Impact ...

Nov 03, 2020  A Ultra-High performance concrete is a concrete in which certain characteristics are developed for a particular application and environment so that it will give excellent performance in the structure in which it will be replaced, in the environment to which it will be exposed and with the loads to which it will be subjected during its design life.

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Normal Concrete vs High-Strength Concrete Properties and ...

High strength concrete has a lower value of permeability compared to normal strength concrete. which is because the high-strength concrete is designed with a lower water-cement ratio. The silica fume is commonly used in the mix. The high strength concrete has permeability ranges from 1 x 10 -11 to 1 x 10

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Research Article A Study on the Evaluation of Field ...

A Study on the Evaluation of Field Application of High-Fluidity Concrete Containing High Volume Fly Ash ... improved the performance of conventional concrete. In particular, the high-uidity concrete, which lls forms only ... normal temperature, a high-

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Normal-Weight Concrete Civil Engineering

(‘‘Recommended Practice for Selecting Proportions for Normal, Heavyweight, and Mass Concrete,’’ ACI 211.1.) High-Performance Concretes. These concretes either have a high design strength (more than 6000 psi for normalweight concrete and 5000 psi for lightweight concrete) or will be subjected to severe service environments.

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Effects of key parameters on fluidity and compressive ...

The compositions and curing regimes have significant effects on the compressive strength and the fluidity of ultra‐high performance concrete (UHPC). Fifty‐eight mixtures were examined to determine the effects of key factors on the fluidity and the compressive strength of UHPC. These parameters include water‐binder ratio, cement strength ...

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Design Specification For Ultra High Strength Concrete ...

4) Mix Design Of Ultra-High Performance Concrete. Conclusion Ultra-high strength concrete is possible with the use of proper selection of material. It is possible to produce ultra-high strength concrete by incorporating 4th generation superplasticizer, which can reduce W/B ratio and maintain fluidity of the mix.

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The Real Difference Between Normal and High Strength Concrete

High-strength concrete is commonly accompanied by other additional aggregates than normal concrete that increase the strength and bondability of concrete particles within the mix. Carefully engineering our high-strength mix, we have achieved a precast concrete mixture that is strong, durable, lighter weight than comparable offerings for other ...

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A Study on the Performance of Self-Consildated Concrete

The visual inspection of LWSCC 120 min from mixing, LWSCC lost about 60, 65, 90 mixes assured that, despite of the high fluidity of such and 100 of its flowability owing to inducing 0.60, 0.80, concrete, the uniformity of LWSCC made with 0.4, 0.5, 1.00 and 1.20% SCA into LWAC mixes, respectively. 0.6 and 0.8% SCA seemed to be very high, where ...

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Ductal: An Ultra-high Strength Concrete Looking for ...

May 01, 2006  This impressive feat can be accomplished with Ductal, a revolutionary, ultra-high-performance material that delivers up to 30,000 psi compressive strength and rivals the strength of metal. While steel maintains a significant advantage in tensile and flexural strength, Ductal has reduced that gap as well. Normal concrete, for example, has almost ...

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THE CENTER FOR CONCRETE COREA AND ENHANCING THE ...

concreting characteristics of high fluidity fresh concrete ranged of 60MPa will be tested by the field application. Research Group for Multi-function The research group for multi-function has five sub-themes. The first sub-theme is ‘Development and field application of fire resistance high performance concrete

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Ultra-high-performance concrete [UHPC] - advantages and ...

Jan 25, 2021  Ultra-high performance concrete (UHPC) is a cementitious composite characterized by high compressive strength, typically greater than 120 MPa, specific durability, tensile ductility, and toughness. In the basic composition of UHPC, the aggregate is a filler and the binder reacts with water to form a matrix with cementing ability and a ...

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