Development of sustainable self-compacting concrete using recycled concrete aggregate and fly ash, slag, silica fume. European Journal of Environmental and Civil Engineering. Ahead of Print.

Self-Compacting Concrete Suitable for general concrete structures that are difficult to flow into, such as narrow columns with erect height, tight reinforcing steel, complex structure with direct pouring directions, repair work or concrete pouring work that needs to reduce costs from the pouring period and labor.

Nov 21,  · Kasemsaisiri R, Tantermsirikul S ( ) Properties of self-compacting concrete incorporating bottom ash as a partial replacement of fine aggregate. Sci Asia 34(1):87–95 CrossRef Google Scholar Khaloo AR, Dehestani M, Rahmatabadi P ( ) Mechanical properties of concrete with a high volume of tire–rubber particles.

High-performance eco-efficient concrete using recycled aggregates; experimental tests are expensive and time consuming and the development of new products requires shorter analysis times. in this article analysed the influence of incorporating precast concrete waste as an alternative to coarse aggregate in self-compacting concrete to

These are the sources and citations used to research Ahmadi MA, Alidoust O, Sadrinejad I, Nayeri M. Development of mechanical properties of self-compacting concrete contain rice husk ash. World Acad Sci Eng Technol 2007;34:168–71. This bibliography was

Radiation shield is a physical entity placed between a source of ionizing radiation and an object to be protected in order to reduce the radiation level at the position of the object. Proper shielding of the radiation facilities is mandatory to provide a safe environment both to the living and non-living world. Of all the radiation shielding materials employed, concrete is considered to be the

Development of high-performance self compacting concrete using eggshell powder and blast furnace slag as partial cement replacement. JO Olatokunbo M. Ofuyatan, Adewale George Adeniyi, David Ijie, Joshua O. Ighalo. Journal of Construction and Building Materials 256 (119403) , 2020. 16 *.

Jun 03,  · Waste and By-Products in Cement-Based Materials: Innovative Sustainable Materials for a Circular Economy covers various recycled materials, by-products and wastes that are suitable for the manufacture of materials within the spectrum of so-called cement-based materials (CBM). Sections cover wastes for replacement of aggregates in CBM, focus on the application of wastes for the

Self-compacting concrete(SCC) is produced with the same ingredients used for conventionally vibrated concrete but with some modifications in mix proportioning, such as the amount of fine aggregate is increased; amount of coarse aggregate is reduced; amount of water is reduced; In order to overcome the workability problem, super plasticizer and Viscosity modifying agent are used; By adjusting

Self-compacting concrete is a highly flowing concrete that compact under self-weight without any vibration effort. The high workability of concrete mixtures is achieved by the reduction in coarse aggregate content while increasing fines aggregate volume. Usually, coarse quartz sands with fineness modulus more than 2.5 are used as fine aggregate.

Jun 22,  · High consumption of natural resources, environmental concern of CO2 emission due to cement production and improvement on concrete performance has become a driving force behind the search for alternative materials. An effort made in this regard is the development of self-compacting geopolymer concrete (SCGC). SCGC is a novel material that involves innovation in the production and

The objective of the research project is to promote the reliability of concrete construction especially by making self-compacting concrete (SCC) common concrete. Project Outline The research project contains four main topics: 1) Mitigation of reduction in flowability of fresh mortar due to coarse aggregate during deformation, by

Strength and Durability of High Strength Fibre Reinforced Self Compacting Concrete with Nano Silica Select Research Area Engineering Pharmacy Management Biological Science Other Scientific Research Area Humanities and the Arts Chemistry Physics Medicine Mathemetics Economics Computer Science Home Science Select Subject Select Volume Volume-5

Especially, self-compacting concrete with BFS fine aggregates showed much larger air-voids. This was due to the entrapment of large air bubbles in the course of the mixing process of concretes. (2) The highly durable concrete to frost action can he produced by making the proper air void system with the spacing factor of not more than 300-um.

Abstract. This work presents the results of a comparative study of the sorptivity, accomplished in mixtures of self-compacting concrete with different types of additives and a normal concrete compacted by vibration. The self-compacting concrete mixtures present slump-flow of 650 [+ or -] 50 mm and have the same cement contents.

Woodhead Publishing Series in Civil and Structural Engineering. Foreword. 1. Introduction to eco-efficient masonry bricks and blocks. 1.1. Brief historical considerations on masonry bricks and blocks: past, present and future. 1.2. Contributions of masonry bricks and blocks for eco-efficient construction. 1.3.

Under condition 2, the stress of the self-compacting concrete layer is shown in Figures 16 and 17. The maximum longitudinal tensile stress of the self-compacting concrete layer is located at the side of the layer and the maximum transverse tensile stress is located at the bottom edge of the layer.

Article Information. Volume: 30 issue: 23, page(s): 1923-1930 Issue published: December 01

Self-compacting concrete is a fluid mixture suitable for placing in structures with congested reinforcement without vibration. Self-compacting concrete development must ensure a good balance between deformability and stability. Also, compactibility is affected by the characteristics of materials and the mix proportions; it becomes necessary to

The property of fresh SFC-SSC concrete was adjusted in accordance with consistency and unconfined flow Figure 1. XRD patterns of three industrial solid by-products. Table 2. Mix proportions for self-compacting concrete (SFC-SSC concrete). Mixture Destination OPC Slag FFA CFA Water Sand Stone SP OPC 600 - - - 180 921 753 3.00

oSelf Compacting Concrete was first developed in Japan in the year 1980. oProf. H.Okamura of University of Tokyo, Japan; is mainly responsible for initiating and initial development of this concrete and is now regarded as the Father of SCC. oThe need for the development of SCC arose from the skilled labor and man power in Japan during 1980's.

Dec 03,  · Self-Compacting Concrete is one of the special concretes that have ability to flow and consolidate on its own weight, completely fill the formwork even in the presence of dense reinforcement; whilst maintaining its homogeneity throughout the formwork without any requirement for vibration.

Introduction. Construction of large-span and super high-rise concrete structures has become a current trend [], posing an increasingly stringent requirement for the compressive strength of concrete.For this reason, self-compacting concrete (SCC) with high strength, self-compacting ability, and excellent load-bearing performance has been gradually used in civil engineering.

1 DEVELOPMENT OF A PEDESTRIAN BRIDGE WITH GFRP PROFILES AND FIBRE REINFORCED SELF-COMPACTING CONCRETE DECK Pedro J. D. Mendes 1, Joaquim A. O. Barros 2, José M. Sena-Cruz 3 and Mahsa Taheri4 Abstract In recent years, the number of pedestrian bridges built from composites materials has notably

Development of Eco-Efficient Self Consolidating Concrete 1027 components are included in the database; the following assumptions were made: 1) granite powder has the same conversion factors as limestone powder and 2) air-entrainer and viscosity agent have the same conversion factors as superplasticizer for the same weight.

This article is on the development of a mix design method for self-compacting recycled aggregate concrete (SCRAC) by considering the adhered mortar content (AMC) on the surface of the aggregate. In this method of mix design, the acceptable percentage of recycled concrete aggregate (RCA) depends on the AMC value.

Self-compacting concrete is a recent development that shows potential for future applications. It meets the demands placed by the requirements of speed and quality in concrete construction. Based on current research and available knowledge about SCC presented in this paper, the following trends are emerging:

concrete, if found satisfactory would be a great step in concrete technology compiling the advantages of both internal curing as well as self-consolidation. 1.1 Self-compacting concrete Self-compacting concrete (SCC) represents one of the most outstanding advancement in concrete technology during the last decade.

2. APPLICATIONS OF SELF-COMPACTING CONCRETE. Since the development of the prototype of self-compacting concrete in 1988, the use of self-compacting concrete in actual structures has gradually increased. The main reasons for the employment of self-compacting concrete can be summarized as follows: (1) to shorten construction period

Development of self compacting concrete using natural materials: A review 108 | Page the concrete. It was reported that addition of marine algae increases compressive, tensile and flexural strength of the concrete depending upon the number of days of curing. The beams made with marine algae concrete

Self-compacting concrete with a 90-day compressive strength of about 100 MPa was obtained. Deepa Balakrishnan S. [6] investigated the production of high volume fly ash self- compacting concrete with 12.5%, 18.75%, 25%, and 37.5% of the cement (by mass) replaced by fly ash and 6.25%, 12.5% and 25% of the cement replaced by dolomite powder.