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ABSTRACT 3D printing is a novel construction method, which utilizes sequential deposition of printable material to build structures. It contributes to the automation in civil engineering and offers advantages of [...]

ABSTRACT This study focuses on the fresh and rheological characteristics of glass fibre reinforced self-compacting concrete containing nanosilica and fly ash. Fifteen mixtures of self-compacting concrete fortified by-glass fibres with [...]

ABSTRACT In this study two types of residual ash (with and without amorphous phase) derived from multi-fuel industrial incinerators were used for cement replacement in conjunction with metakaolin (MK). X-ray [...]

ABSTRACT There is a growing need to utilize large stockpiles of the industrial byproducts including coal gangue (CG), fly ash (FA) and red mud (RM) which can pose potential environmental [...]

ABSTRACT High volume coal fly ash (FA) cementitious system (C-FA) was reported to present great economic and environmental benefits in cement and concrete industry, but the slow strength development limited [...]

ABSTRACT Splitting cracks in pre-tensioned concrete members often occur at the early stages after detensioning. To prevent these splitting failures, concrete members need to be resistant to crack growth at [...]

ABSTRACT In this paper, the soft computing approach is proposed to predict the transport tortuosity of the pore system of fly ash concrete as an important macroscopic parameter by building [...]

ABSTRACT For solid waste disposal and cement consumption reduction, sustainable phosphate-based rapid repairing materials (sust-MPC) were prepared with MgO-containing by-products (LG-MgO) and circulating fluidized bed (CFB) fly ash. The effects [...]

ABSTRACT The effect of the chemical composition of the amorphous and crystalline phases of fly ash on the compressive strength of fly ash cement mortar was studied. The fly ash [...]

ABSTRACT The durability of a concrete depends upon resistance against various properties like sulfate, chloride, and acid, corrosion environment. One of the important durability properties of the concrete is its [...]

ABSTRACT Concrete is one of the most widely used construction material in spite of some inherited issues (brittleness, weak in tension, etc.). A lot of effort has been made to [...]

ABSTRACT The ever-growing number of demolition materials that are landfilled has initiated several global incentives for reusing these wastes in industrial applications. Chemical stabilization is widely practiced for improving the [...]

Abstract Construction and demolition waste recycling for production of new concrete is usually limited to the use of coarse aggregates, and efficient utilization of fine subsieve fractions remains an unresolved [...]

ABSTRACT Concrete is the most widely used construction material obtained after the setting of the mix composed course and fine aggregates, cement and water. The main properties of concrete are [...]

ABSTRACT Though graphene oxide (GO) can strengthen and toughen cement-based material and GO and fly ash (FA) can play a synergetic effect and offset the drawbacks of each other, the [...]

ABSTRACT The paper presents results of tests on the effect of the addition of siliceous fly ashes (FA) in the amount of: 0, 20 and 30% by weight of cement [...]

ABSTRACT The effect of using biomass fly ash (BFA) on the quality, durability and sustainability of mortars was studied. Using high amounts of BFA does not lead to a production [...]

ABSTRACTCarbonation is one of the durability concerns for fly ash blended concrete. Unlike concrete made with ordinary Portland cement (OPC), the microstructure of fly ash blended concrete evolves in a [...]

ABSTRACTA friendly novel material called geopolymer has recently presented some promising uses for enhancement of weak ground through grouting alternative to Portland cement especially for avoiding from large C[O.sub.2] emissions [...]

ABSTRACTIt is intended in this study, evaluation of sewage sludge in construction sector. Sewage sludge (SS) is a serious problem in terms of environment and human health. When the past [...]

ABSTRACTIn this study, the effects of foam content as well as fly ash and silica fume inclusion on some physical and mechanical properties of foam concrete, subjected to various curing [...]

ABSTRACTTernesite is a phase found in some calcium sulfoaluminate (CSA) cements and it has recently been shown to have cementitious properties. In this paper, cement combinations based on CSA cement [...]

ABSTRACTFly ash (FA) has been accepted as one of the most popular supplementary material in blends with cement. However, high content of FA added would result in very slow strength [...]

ABSTRACTMicrostructure and composition of 42-month cured pastes using Portland cement (OPC), fly-ash cement (FAC), and ground-granulated-blast-furnace-slag cement (GGBFSC) were investigated. The granular structure of C-A-S-H in outer products of GGBFSC [...]

ABSTRACTThe specific surface area (SSA) of fly ash has a significant effect on its pozzolanic reactivity and on the performance of fly ash-blended concrete. Because fly ash contains a considerable [...]

ABSTRACT This paper presented the synergistic effects with respect to compressive strength in hydrated gel systems containing fly ash (FA), flue gas desulfurization gypsum (FGD) and steel slag (SS). The [...]

ABSTRACT This research aims to develop a new, environmentally friendly, cementitious material by blending Ordinary Portland Cement (OPC), Ground Granulated Blast Furnace Slag (GGBS) and High Calcium Fly Ash (HCFA). [...]

ABSTRACT This report presents the results of experimental work on the mechanical properties of coral aggregate concrete (CAC) containing fly ash (FA) and silica fume (SF). The aim of this [...]

ABSTRACT Green liquor dregs wastes coming from pulp and paper production are currently disposed in landfills at a huge cost for industry and the environment. In this work, a novel [...]

ABSTRACT The combined effects of the chemical stabilization of sediments using lime, cement and fly ash on the sediment shear strength behavior are studied for geotechnical purposes. An elemental analysis [...]

ABSTRACT Two-graded roller compacted concrete (RCC) containing high volumes of fly ash has been widely used in anti-seepage structures of RCC dams in China. The crystalline additive as a self-healing [...]

ABSTRACT This study highlights on the development of blended geopolymer cement by utilization of two industrial wastes namely ferrochrome slag (FCS) and fly ash. Geopolymer cement with 100 wt% FCS [...]

ABSTRACT Dissolution and leaching mechanism of the calcium ions in cement based material has an important influence on its service performance. In this paper, the mechanism of the dissolution and [...]

ABSTRACT Chloride ion penetration resistance (CPR) of concrete containing fly ash (FA)/silica fume (SF) against combined freezing-thawing and chloride attack was studied. The total charge passed, immersed in tap water [...]

ABSTRACT Ultra-lightweight foamed geopolymer (UFG) based on fly ash-metakaolin blends with its density of between 150 kg/[m.sup.3] and 300 kg/[m.sup.3] was successfully prepared by the mixed foaming method of chemical [...]

ABSTRACT The present study investigated the effect of the combined action of freeze-thaw (F-T) cycles and sulfate attack on the resistance of concrete containing low-volume fly ash (LVFA) and high-volume [...]

ABSTRACT Methods for estimating the content of ground granulated blast furnace slag (GGBFS), fly ash and other pozzolanas in hardened concrete were investigated including a selective dissolution procedure, a method [...]

ABSTRACT A new classification approach is presented that uses individual fly ash particle measurements to provide improved and more in-depth information about the properties of the concrete. The technique uses [...]

ABSTRACT Replacing Portland cement by fly ash in concrete has attracted extensive attention, as this approach is effective in controlling heat release rate, reducing material cost and enhancing greenness. However, [...]

ABSTRACT This study proposes a low-cost method to convert cenospheres into an admixture carrier for concrete manufacturing. Cenospheres are hollow fly ash particles generated in coal burning power plants, having [...]

ABSTRACT Lime kiln dust (LKD) is the by-product powder collected from the downstream process of quick lime production. The LKD powder collected at the kilns of quick lime production plants [...]

ABSTRACT The influence of natural pozzolans on the controlling of the alkali-carbonate reaction (ACR) and the alkali-silica reaction (ASR) has not been studied comprehensively, regardless of the research studies conducted [...]

ABSTRACT A new type of conductive aggregate was prepared by the calcination of magnetically separated fly ash (MSFA). The effects of the calcination atmosphere, calcination temperature, and iron oxide content [...]

ABSTRACT Among supplementary cementitious materials (SCMs), rice husk ash (RHA) is a by-product of the agricultural industry that is recognized by its high reactivity and ability to enhance performance of [...]

ABSTRACT This paper aims to investigate the effects of rice husk ash (RHA) on strength and permeability of ultrahigh performance concrete (UHPC). RHA was manufactured by calcining rice husk at [...]

ABSTRACT Using rice husk ash (RHA), as a waste byproduct of rice milling, in bituminous roadways provides valu able advantages such as reduction of environmental degradation, lowering construction costs and [...]

ABSTRACT Heat cured geopolymer concrete (GPC) normally catalyze the geopolymerization reaction and thereby the mechanical properties of the geopolymer concrete were improved. Because of the practical challenges in applying steam [...]

ABSTRACT This study investigated the role of the matrix in the production of self-compacting strain-hardening cementitious composites (SHCC). High volume fly ash pastes with desirable flowability were first designed, followed [...]

ABSTRACT Using a high dosage of fly ash in concrete is an effective approach to control the heat release rate, reduce the material cost and enhance the sustainability. However, ultrahigh-volume [...]

ABSTRACT In this study, the micro-mechanical property of different phases in alkali-activated fly ash (AAFA) pastes was investigated by nanoindentation. The mechanical information of the gel phase in AAFA was [...]