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ULTRA FIBRE CONCRETE Cement, Concrete, Aggregates

ULTRA FIBRE CONCRETE Cement, Concrete, Aggregates

Fibre Lafarge - Cement, concrete and aggregates

2021-11-5  Minimum Standards for Ultra ™ Fibre Concrete: Grade of Concrete: Greater than 15Mpa. Cement Type: Any combination. Aggregate Size: Available with all standard aggregate sizes. Consistence: S2 and greater (for lower workability please seek guidance from Lafarge’s technical team) Fibres: 3mm, 6mm, 12mm, 19mm. Drastically reduces the potential ...

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Synergistic effect of steel fibres and coarse aggregates ...

2021-1-1  1. Introduction. Ultra-high performance fibre reinforced concrete (UHPFRC) possesses superior properties [, , , , ] due to its special mix design methods and utilized raw ingredients, usually incorporating high steel fibre content and large amount of cement [, , ].Its excellent mechanical strength and energy absorption capacity contribute to broad applications in civil,

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Synergistic effect of steel fibres and coarse aggregates ...

N2 - This study investigates the synergistic effect of steel fibres and coarse aggregates on impact behaviour of ultra-high performance fibre reinforced concrete (UHPFRC). UHPFRC matrices with a low cement content and maximum aggregate sizes of 8 mm and 25 mm are designed by using a particle packing model.

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Abrasion resistance of ultra-high performance concrete ...

2021-7-12  Ultra-high performance concrete (UHPC), also called ultra-high performance fiber-reinforced concrete (UHPFEC), exhibits superior properties of advanced strength, ductility, and durability, which is one of the latest trends in the concrete industry [1, 2].It also has the potential to be used in heavily trafficked pavement, industrial floors, and bridge deck overlays that are

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Ultra High Strength Concrete Using Economical Materials

2013-4-21  thus improves the bond between the cement and the aggregates (Shihada and Arafa, 2010) . 2. Research significance The present study aims to investigate the feasibility of manufacturing reactive powder concrete RPC mixtures with its ultra mechanical properties using locally available materials in North Sinai, Egypt.

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ULTRA FIBRE Lafarge in South Africa - Cement, concrete ...

2021-11-27  Ultra series Fibre Concrete Ultra Fibre Concrete is Lafarge’s polypropylene micro fibre reinforced readymix concrete. It turns concrete into a composite material that slows crack propagation and reduces plastic shrinkage

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武汉大学土木建筑工程学院

2021-10-9  Predicting the rate effects on hooked-end fiber pullout performance from Ultra-High Performance Concrete, Cement and Concrete Research, 120: 164-175. [40] Gao, X., Yu*, Q.L. (2019). Effects of an eco-silica source based activator on functional alkali activated lightweight composites, Construction and Building Materials, 215: 686-695.

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Guide - ccaa.au

2018-6-27  Cement Concrete Aggregates Australia is committed to being the major source of information on cement, concrete and aggregates in Australia. For a complete listing of all retail and free publications please visit and bookmark CCAA website ccaa.au Cement Concrete Aggregates Australia is a not-for-profit organisation established in

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Ultra-High Performance Concrete - cement

Ultra-High Performance Concrete (UHPC) is a cementitious, concrete material that has a minimum specified compressive strength of 17,000 pounds per square inch (120 MPa) with specified durability, tensile ductility and toughness requirements; fibers are generally included in the mixture to achieve specified requirements.

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Dispersion of Fibers in Ultra-High-Performance Concrete

Dispersion of Fibers in Ultra-High-Performance Concrete ... of small-size aggregates, and portland cement typically ... conventional rotary drum mixers (that is, concrete trucks).7,8 Fiber balling is a challenge in scale-up of UHPC production

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Abrasion resistance of ultra-high performance concrete ...

2021-7-12  Abrasion resistance is a critical property for concrete structures subjected to abrasion deterioration, such as industry floors, pavement, or hydraulic structures. Studies on abrasion resistance of normal concrete have been well established, whereas there is limited research on the abrasion behavior of ultra-high performance concrete (UHPC). This study developed lower

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Reviewing Some Properties of Ultra High Performance

2020-10-6  Journal of Sustainable Cement-Based Materials 43 [121] Ambily PS, Umarani C, Ravisankar K, et al. Studies on ultra high performance concrete incorporating copper slag as fine aggregate. Constr Build Mater. 2015;77:233240. [122]

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Review of Ultra-High Performance Concrete and Cost

2020-11-3  One of the significant breakthroughs in concrete technology in the 20th century was the development of ultra-high-performance fibre reinforced concrete (UHP- FRC) or reactive powder concrete (RPC) more commonly known as ultra-high-performance ductile concrete (UHPDC), a cementitious based composite material consisting of the distinctive ...

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Concrete Products Lafarge - Cement, concrete and

2021-11-26  Ultra Series products provide customers with the confidence that the concrete solution they will use will be suitable in any project environment and weather condition within Iraq. Examples of Ultra Series products that can be available for customers include Ultra Series Poly Fibre, High Strength, Lightweight, Shotcrete, Screed and Mortar.

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Guide - ccaa.au

2018-6-27  Cement Concrete Aggregates Australia is committed to being the major source of information on cement, concrete and aggregates in Australia. For a complete listing of all retail and free publications please visit and bookmark CCAA website ccaa.au Cement Concrete Aggregates Australia is a not-for-profit organisation established in

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Lafarge in South Africa - Cement, Concrete, Aggregates

2021-11-30  Aggregates are small rock fragments (0.08 to 80 mm) of mineral origin. Aggregates come in different types: maritime, fluvial and terrestrial. They may be sand, gravel or crushed gravel. Aggregates, mixed with water and cement, are essential for the production of concrete.

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Who We Are Lafarge in Kenya - Cement, concrete,

2021-11-28  Bamburi Cement was incorporated in 1951 and started production in 1954. Today our operations in Kenya include two cement plants in Mombasa and Athiriver, and concrete manufacturing (precast and readymix concrete) plants in Nairobi (Industrial Area, Athiriver and Two Rivers) and Mombasa. The company has three subsidiaries:

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史才军_百度百科

2014-9-26  史才军,湖南大学土木工程学院教授、博士生导师,湖南大学985工程创新平台首席科学家、国务院特殊津贴享受者,国际著名英文学术期刊《Journal of Materials in Civil Engineering》的副主编,《Cement and Concrete Research》、《Cement and Concrete Composites》和《硅酸盐学报》的编委,加拿大安大略省注册职业工程师 ...

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Ultra-High Performance Concrete - cement

Ultra-High Performance Concrete (UHPC) is a cementitious, concrete material that has a minimum specified compressive strength of 17,000 pounds per square inch (120 MPa) with specified durability, tensile ductility and toughness requirements; fibers are generally included in the mixture to achieve specified requirements.

get price

Dispersion of Fibers in Ultra-High-Performance Concrete

Dispersion of Fibers in Ultra-High-Performance Concrete ... of small-size aggregates, and portland cement typically ... conventional rotary drum mixers (that is, concrete trucks).7,8 Fiber balling is a challenge in scale-up of UHPC production

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Ultra high performance concrete materials

2017-12-3  Properties of strain hardening ultra high performance fiber reinforced concrete (UHP-FRC) under direct tensile loading. Cement and Concrete Composites, 48, 53-66. Applications of Fiber Reinforced Concrete • Fiber reinforced concrete are primarily used for applications that toughness of ... Cement Type I 350 kg Fly ash 60 kg Aggregate (1.1:1 ...

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EXPERIMENTAL STUDIES ON ABRASION RESISTANCE OF

2017-7-15  Recently, for the precast concrete members requiring abrasion resistance, ultra high strength fiber reinforced concrete is widely applied. In case of ordinal portland cement concrete, after abrasion of mortal part, coarse aggregate peel off, because coarse aggregate is significantly stronger than mortal to abrasion.

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Concrete Products Lafarge - Cement, concrete and

2021-11-26  Ultra Series products provide customers with the confidence that the concrete solution they will use will be suitable in any project environment and weather condition within Iraq. Examples of Ultra Series products that can be available for customers include Ultra Series Poly Fibre, High Strength, Lightweight, Shotcrete, Screed and Mortar.

get price

Properties of Ultra High Performance Concrete

Properties of ultra high performance concrete containing superfine cement and without silica fume Rui Xiao, Zon-Cai Deng, Chenliang Shen Journal of Advanced Concrete Technology,volume ( ), pp.12 2014 73-81 Artificial Neural Network for Predicting Creep and Shrinkage of High Performance Concrete

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ULTRA-HIGH PERFORMANCE REINFORCED BY

PDF Preserve natural environmental resources and losing of land used as a graveyard for demolition waste concrete buildings, recycling concrete... Find, read and cite all

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Experimental Investigation and Prediction of Compressive ...

2017-12-31  Ultra-high performance concrete (UHPC) has superior mechanical properties and durability to normal strength concrete. However, the high amount of cement, high environmental impact, and initial cost are regarded as disadvantages, restricting its wider application. Incorporation of supplementary cementitious materials (SCMs) in UHPC is an effective way to

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Guide - ccaa.au

2018-6-27  Cement Concrete Aggregates Australia is committed to being the major source of information on cement, concrete and aggregates in Australia. For a complete listing of all retail and free publications please visit and bookmark CCAA website ccaa.au Cement Concrete Aggregates Australia is a not-for-profit organisation established in

get price

Who We Are Lafarge in Kenya - Cement, concrete,

2021-11-28  Bamburi Cement was incorporated in 1951 and started production in 1954. Today our operations in Kenya include two cement plants in Mombasa and Athiriver, and concrete manufacturing (precast and readymix concrete) plants in Nairobi (Industrial Area, Athiriver and Two Rivers) and Mombasa. The company has three subsidiaries:

get price