cement IEEE PAPER 2017
Valorization of port dredged sediments incementmortars
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Abstract The objective of this work is to study the influence of the partial replacement of sand andcementby dredged sediments from Ports of Tangier and Larache (Morocco) on the mechanical behavior ofcementmortars. Firstly, the characterization of the studied dredged
A STUDY OF RESTRAINT TECHNIQUES FORCEMENTTREATED SOILS DETERIORATION BY MICROBIAL FUNCTIONS
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ABSTRACT:Cementtreated soil is used as a countermeasure for poor ground. But,cement treated soil deteriorate by calcium leaching because of exposing seawater. This study considered a technology of reducing deterioration ofcementtreated soil by using urease- Percutaneous vertebroplasty was introduced in 1984 for the treatment of spinal hemangiomas [1] and since then has evolved into a relatively safe and simple procedure to stabilise diseased or fractured vertebral bodies. Nevertheless, complications may arise
Partial Replacement of Wood Ash with Ordinary PortlandCementand Foundry Sand as Fine Aggregate
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Abstract Wood ash is generated as residual/waste from combustion done in boilers at pulp and paper mills, steam power plants, and other thermal power generating facilities. Since wood is a renewable resource for energy and an environmentally friendly material, there is
Rheology of geopolymer: comparative study between Portlandcementand metakaolin based geopolymer
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ABSTRACT Metakaolin based geopolymers are presented in many studies as an alternative to normal Portlandcement . Previous studies have focused on their chemical and mechanical properties, their microstructures and their potential uses, but very few on their
Characterization and valorisation of sludge of wastewater treatment plant (WWTPs) intocementindustry
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Abstract In Municipal sewer sludge production in EU is expected to rise to 13.0 million tons in 2020. Also in Algeria the estimated quantity of sludge produced in 2017 will exceed 2.0 million tons per year. Since there production, the treatment and disposal of sewage sludge is
Developing an Approach to Assess Integral Sustainabilityof Alkali PozzolanCement
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ABSTRACT: This paper presents the search of an approach to assess integral sustainabilityof a newcementcalled Alkali PozzolanCement (APC). It can also be considered as an investigation into the possibility of employing fundamental concepts of In the broad sense, a material which can bind other materials together into a hardened, cohesive mass. Cements in general may be organic or inorganic, including various plasters and glues, but the most important classes of cements used worldwide are those which are
Flexible memory-alloy instrumentation for unilateral transpedicular kyphoplasty and guidedcementaugmentation of the thoracic spine
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The purpose of this novel study was to investigate the feasibility of unilateral transpedicular balloon kyphoplasty particularly of the upper thoracic vertebrae using an 11-gauge balloon andcementinserter, and to study the morphological parameters of the thoracic spine
Effect of chemical etching solutions versus air abrasion on the adhesion of self-adhesive resincementto IPS e. max ZirCAD with and without aging
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Abstract Objectives: This study evaluated the adhesion of self-adhesive resincementto zirconia after various surface conditioning methods in non-aged and aged conditions. Methods: Zirconia (IPS e. max ZirCAD, Ivoclar Vivadent) and resin composite blocks were
Synthesis and hydration of alite-calcium sulfoaluminatecement
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Abstract An alite-calcium sulfoaluminate clinker containing approximately 50% alite and 10% yeelimite was synthesized at 1300 C using a laboratory furnace and 1% CaF2 as a mineralizer, ground and blended with 5% anhydrite. The hydration mechanism of the
Comparative Study Of Normal Concrete With Partial Replacement OfCementWith Silica Fume For The Grade Of M50
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ABSTRACT Concrete is the most important engineering material and the addition of some other materials may change the properties of concrete. With increase in trend towards the wider use of concrete for prestressed concrete and high rise buildings there is a growing
Maximum Shear Modulus ofCement -Treated Singapore Marine Clay
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Abstract: In this study, bender element was adopted to test the maximum shear modulus of cement -treated Singapore marine clay. The effects of factors such ascementcontent and total water content on the maximum shear modulus ofcement -treated clay was evaluated.
Vancomycin and Ceftazidime in BoneCementas a
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Background: The aim of this study was to determine the optimal formulation of antibiotic loaded bonecementfor knee periprosthetic joint infection. We used both in vitro and in vivo models incorporating various broad-spectrum antibiotics and tested their efficacy against
ANALYSIS OF THE FEASIBILITY OF PARTIAL REPLACEMENT OF INDUSTRIAL WASTE GLASS POWDER ASCEMENTIN SELF COMPACTING CONCRETE
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ABSTRACT Manufacturing ofcementby the industries is one of the potential sources for Carbon-di-oxide emission to the atmosphere. Glass Powder acts as an alternative material to be used in place ofcementin concrete. Glass is environmentally friendly and economical
1-D COMPRESSIBILITY PARAMETERS OF LIGHTLY SOLIDIFIED DREDGED MARINE SOIL (DMS) USINGCEMENT , GGBS AND COARSE SAND
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ABSTRACT: A consistent dredging is essential for the development along the coast and the maintenance of shipping routes. The dredging operation dislodges sediments from the seabed, and the retrieved materials, termed dredged marine soils, are considered a
Strength Characteristics ofCement -Coir pith Composite andCement -Coir pith-Glass Powder Composite: Soft Ground Arresting System
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Abstract-In one of our countrys worst disasters, an Air India Express Flight 812 from Dubai to Mangalore crashed while landing at the Mangalore Airport on 22nd May 2010. The aircraft overrun while landing and takeoff can be avoided by providing a safety area beyond the end
EFFECT ON COMPRESSIVE STRENGTH OF CONCRETE WITH PARTIAL REPLACEMENT OFCEMENTBY MUNICIPAL SOLID WASTE INCINERATOR ASH
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Abstract-This paper evaluates the properties of incinerator bottom ash from WTE (waste to energy) Plant, Essel MSW Pvt Ltd, Jabalpur to see what uses the material could be put to after incineration. The properties of the material make it suitable for use as fills, low-cost road
EFFECT ON STRENGTH PROPERTIES OF CONCRETE BY PARTIAL REPLACEMENT OFCEMENTWITH CALCIUM BENTONITE AND FLY ASH
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ABSTRACT The main objective of the work is to find out the effectiveness of fly ash and bentonite collectively on the concrete strength. In this work it was proposed that thecement is replaced with (5%, 7.5%, 10%, 12.5%, 15%). Calcium bentonite and with (5%, 7.5%, 10%,
INVESTIGATION OF STRENGTH PARAMETERS OFCEMENTAND CONCRETE BY PARTIAL REPLACEMENT OFCEMENTWITH INDIAN CALCIUM
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ABSTRACT Portlandcementis one of the expensive materials of concrete, causes a ton of harm to nature by the outflow of CO2 gas into environment amid hydration procedure to accomplish quality, the primary target of this paper is to create ease and eco amicable
Experimental Study of Ceramic Waste Electric Insulator Powder Used as a Partial Replacement ofCementin Concrete
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ABSTRACT The consumption of ceramic materials in construction industries is increasing day by day in the form of tiles, sanitary fittings, electrical insulators etc. But around 30% of ceramic materials changes into wastage during processing, transporting and fixing due to its
Effect of Nanoparticles on Mechanical Properties ofCement -Sand Mortar Applications
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AbstractCement -sand mortar is a construction material widely used; tile adhesive is one of the main applications where the compressive strength is the key performance metric. Nanoparticles like MWCNTs and HNTs are currently being used to improve the mechanical Calcium SulfoaluminateCementClinkering
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2 partial pressure, together with the temperature, on the formation of phases in the system CSAS F has enabled a new approach to clinker design and production. A new generation of sulfoaluminate compositions are being developed which are readily clinkered using
Effects of the hydration reactivity of ultrafine magnesium oxide oncement -based materials
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The volume instability of concrete structures due to shrinkage at different ages (eg chemical shrinkage, drying shrinkage and autogenous shrinkage) can cause cracks and finally lead to negative effects on structural durability. The incorporation of expansive agents (EAs) is one
Study on the Expansion of aCement -Based System Containing Sap Polymer and Supplementary Cementing Materials
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Abstract In this paper, the addition of admixed superabsorbent polymer (SAP) improved the microstructure and durability-related properties in acement -based system with supplementary materials. This is an important issue in real construction projects when good
Human Resources Information Systems and their Impact on Competitive Advantage: An Empirical Study onCementCompanies in the Hashemite Kingdom of
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Abstract The study identifies human resources information systems (HRIS) and their impact on the competitive advantage of Jordaniancementcompanies (LafargeCementCompany, Arab WhiteCementCompany, Manaseer). To achieve the objectives of the study, a
SYNTHESIS AND CHARACTERISATION OF CALCIUM SULFO-FERROALUMINATECEMENTCLINKER PREPARED WITH BAUXITE RESIDUE AS RAW
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In view of the relatively high embodied CO2 in OPC, there is intense research on alternative cements. The available work in the area is immense and there are different strategies and cementitious systems suggested. Bauxite residue (BR) is a candidate material in a number
Treatment of Petroleum Drill Cuttings Using Stabilization/Solidification Method byCementand Modified Clay Mixes
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ABSTRACT High organic content in petroleum drill cuttings is a substantial obstacle which hinderscementhydration and subsequently decreases the clean-up efficiency of the stabilization/solidification (S/S) process. In this study, a modified clayey soil (montmorillonite
STABILISATION OF PAVEMENT SUBGRADE SOIL USING LIME ANDCEMENT
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Abstract-This paper consists of literature survey on stabilisation of pavement subgrade soil using lime andcement . India is a place of geographical diversity having different soil in different areas. So to improve those areas having poor bearing capacity stabilisation
Determination of representative strength of deepcement -mixed clay from core strength data
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Deepcementmixing is widely used to improve soft clayey soils as part of stability intervention in deep excavation and tunnelling. The quality of the improvement is often evaluated by measuring the strength of cored samples post-installation. Although spatial
Cracking potential of internally cured concrete made at various water tocementratios
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Abstract: Internal curing technology has been developed to counteract the autogenous shrinkage of high-performance concretes and to reduce its cracking sensitivity. In literature, the total shrinkage of internally cured concrete is reported almost unchanged after exposure
Microleakage Assessment of a PozzolanCement -based Mineral Trioxide Aggregate Root Canal Sealer
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This study aimed to assess microleakage of Endoseal MTA when it is used as a root canal sealer and a root canal filling material compared with conventional endodontic treatment materials Forty-two mature human permanent teeth with a single root canal were divided
Natural Rubber latex ModifiedCementConcrete-A Review
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Abstract: Natural rubber latex (NRL) is natural polymer latex obtained from renewable and locally available resource which can be employed for the effective modification ofcement composites thereby encouraging a sustainable construction practice. The natural rubber
Monitoring of Hardening of PortlandCementSuspensions by Vicat Test, Oscillatory Rheometry, and Isothermal Calorimetry
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Abstract: The hardening ofcementpastes occurs due to coagulation/flocculation promoted by the hydration reactions. At this way, depending on the physico-chemical characteristics of the powder, different changes are obtained during the microstructure formation. Thus, as the
Alkaline activation of different aluminosilicates as an alternative to Portlandcement : alkali activated cements or geopolymers
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Resumen El cemento Portland es considerado el material de construcción por excelencia ya que, a día de hoy, no hay ningún conglomerante que posea la aceptación que posee este material. Esto es debido, principalmente, a sus buenas prestaciones, a su buena
Inhibitive Effect of N, N-Dimethyl Ethanolamine on Carbon Steel Bar in Chloride ContainedCementExtract
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For studying the inhibitive effect of N, N-Dimethylethanolamine (DMEA) on carbon steel bar incementextract, the corrosion behavior of steel bar in solution contained with 0%, 0.5%, 1.0% and 2.0%(wt.%) DMEA was investigated by open circuit potential (OCP), linear
HYDRATION AND MICROSTRUCTURE OF BLENDEDCEMENTWITH SODIUM POLYSTYRENE SULFONATE
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Polystyrene foamed plastic wastes are a kind of environmental pollutant. It could be recycled incementindustry as a chemical agent. In this paper, the effects of sodium polystyrene sulfonate (SPS) on the hydration and microstructure of blendedcementwere investigated by
Atomistic dynamics simulation to solve conformation of model PCE superplasticisers in water andcementpore solution
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Polycarboxylate-based superplasticisers (PCEs) with polyethylene glycol (PEG) pendants can fluidise concrete with an extremely small amount of water and maintain the fluidity much longer than the conventional naphthalene sulfonate-type superplasticisers; this is because
PROPERTIES OF SOIL- CEMENTBLOCKS MANUFACTURED USING PRODUCED WATER FROM OIL FIELDS: A PRELIMNARY INVESTIGATION
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ABSTRACT: One of the prime aims of the sustainable development strategies in many countries is to provide safe and secure environment for their inhabitants. This goal can be achieved through the use of environmental friendly building materials, commonly referred to
Experimental Study Of Palm Oil Fuel Ash AsCementReplacement Of Concrete
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Fast development of framework has prompted to the utilization ofcementall over the place, and one of the principle items required in assemblingcementwill be bond, with the expansion in the measure of bond utilized, warmth of hydration expands which will prompt to CSE PROJECTS