Enhancing the durability properties of concrete containing
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Enhancing the durability properties of concrete containing.

Enhancing the durability properties of concrete containing ...

10%  Jan 04, 2013  As a result, the RCA concrete always revealed the lower strength and resistance to chloride, frost and sulfate attack. However, the RCA concrete containing 30% PFA and 60% GGBS enhanced the strength to the level for control concrete containing natural aggregate.

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Enhancing the durability properties of concrete containing ...

Enhancing the Durability Properties of Concrete Containing Recycled Aggregate by the Use of Pozzolanic Materials Jun Phil Hwang * , Hyun Bo Shim ** , Sooyoung Lim *** , and Ki Y ong Ann ****

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Strength and Durability Properties of Concrete Containing ...

] indicated that NP and NS as the cement replacement can enhance the strength and durability of concrete but studies on concrete containing NP and NS under the combined exposure of sulphate and chloride are rarely reported.

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Mechanical and durability properties of high-strength ...

Sep 30, 2015  Mechanical and durability properties of high-strength concrete containing steel and polypropylene fibers ... it is founds that silica fume is more effective in enhancing the concrete strength during the later stages of curing. (2) The inclusion of silica fume significantly influences the durability properties of concrete and improves the ...

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Strength and durability of concrete containing recycled ...

Sep 01, 2018  The strength and durability properties of concrete containing RCA were evaluated by a comprehensive experimental investigation involving nine control mixes. The variables considered in the experimental study are water cement ratio, cement content in concrete and percentage replacement of coarse aggregate.

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Properties of concrete containing ground granulated blast ...

Jan 01, 2012  The splitting tensile strength of concrete decreased with the increase in temperature (Fig. 3, Fig. 4). At 28 days , the splitting tensile strength of concrete containing 20% GGBFS content at 100, 200 and 350 °C was respectively 17.68%, 21.0%, and 28.9% lower than the concrete at room temperature (2.94 MPa). Similar trends were observed with ...

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Durability of Concrete Types of Durability and Factors ...

Feb 14, 2017  Durability is defined as the capability of concrete to resist weathering action, chemical attack and abrasion while maintaining its desired engineering properties. It normally refers to the duration or life span of trouble-free performance. Different concretes require different degrees of durability depending on the exposure environment and properties desired.

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Effect of class F fly ash on the durability properties of ...

Jan 01, 2018  The experimental work evaluated the effect of fly ash on the properties of concrete, and the following conclusions are drawn from the study: • With the addition of class F fly ash, the compressive strength of concrete after 28-d curing was lower and decreased sharply with the increment of

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Durability properties of high volume fly ash concrete ...

10%  May 21, 2014  The production of one tonne of ordinary Portland cement (OPC) releases approximately one tonne of carbon dioxide to the atmosphere [ 2 ]. In this regard it is essential to find environmentally friendly concrete containing low OPC content but with high performance in strength and durability.

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Properties of self-compacting-concrete containing fly ash ...

May 01, 2012  Among these materials fly ash, a byproduct of thermal power plants, has been reported to improve the mechanical properties and durability of concrete when used as a cement replacement material. The incorporation of fly ash also reduces the need for viscosity modifying chemical admixtures.

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Durability Enhancement of Concrete Using Nanomaterials: An ...

Different initiatives have evolved over the years to improve the durability of concrete, and one of the promising areas gaining attention in recent years is the use of nanomaterials in concrete. Though most of the applications of nanomaterials to improve the properties of concrete has been restricted to laboratory applications, it is anticipated that in few years to come more commercial and ...

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Durability of Concrete Types of Durability and Factors ...

Feb 14, 2017  Durability is defined as the capability of concrete to resist weathering action, chemical attack and abrasion while maintaining its desired engineering properties. It normally refers to the duration or life span of trouble-free performance. Different concretes require different degrees of durability depending on the exposure environment and properties desired.

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Effects of Ground Granulated Blast Furnace Slag in ...

This research examined the properties of concrete containing grade 120 slag cement at replacement levels of 0%, 30%, and 50%. The primary concrete properties studied were compressive strength, split-tensile strength, and deicer scaling resistance. Material variations included four sources of ordinary portland cement and two types of coarse ...

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Mechanical Properties and Durability of Concrete with ...

Jan 27, 2017  Concrete was made with a mix design of 1:1.5:3 (1 part cement; 1.5 parts sand and 3 parts coarse aggregate) according to British Standards guidelines for RC40 [].Two different sets of mixes were made with water/cement (w/c) ratios of 0.55 and 0.45 respectively, with the mix composition shown in Table 4.Mixes without copper slag were made to serve as control mixes.

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(PDF) Color pigments in concrete and their properties

Coloring pigments for concrete: Their possibilities for enhancing architecture ... the mechanical properties and durability. For concrete with ... and durability properties of concrete containing ...

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Properties of eco-friendly pervious concrete containing ...

Jul 02, 2020  The fine aggregates omission from the concrete mixture increased of voids content which leads to the reduction in durability, elastic modulus, density and strength compared to normal concrete . The most important parameters that govern the properties of pervious concrete are water-to-cement ratio, cement-to-aggregate ratio and cement content ...

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Mechanical Properties of Concrete Using Recycled Plastic

Concrete volume contains from 65–80% aggregate and it plays a substantial role in concrete properties such as workability, strength, dimensional stability, and durability, so the use of waste materials in concrete as aggregates can effect in the amount of waste materials deeply.

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Properties of self-compacting-concrete containing fly ash ...

May 01, 2012  Four concrete mixes were made, which had total powder content of 500 kg/m 3 (cement + fly ash). Coarse aggregate content was maintained at 51% by volume of concrete and fine aggregate content at 49% by volume of mortar in concrete, the w/p ratio was varied from 0.38 to 0.42 by weight with air content being assumed to be 2%. In this work, one control mix (SCC1) was designed with Ordinary ...

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Properties of Concrete - Workability, Setting, Bleeding ...

Mar 19, 2017  Fresh concrete is that stage of concrete in which concrete can be moulded and it is in plastic state. This is also called "Green Concrete". Another term used to describe the state of fresh concrete is consistence, which is the ease with which concrete will flow. The transition process of changing of concrete from plastic state to hardened state.

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Explained: Cement vs. concrete — their differences, and ...

Apr 03, 2020  Despite this porosity, cement possesses excellent strength and binding properties. Of course, by decreasing this porosity, one can create a denser and even stronger final product. Starting in the 1980s, engineers designed a material — high-performance concrete (HPC) — that did just that.

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Mechanical and Durability Properties of Concrete Made with ...

Mechanical and Durability Properties of Concrete Made with Used Foundry Sand as Fine Aggregate. G. Ganesh Prabhu,1 Jin Wook Bang,1 Byung Jae Lee,2 Jung Hwan Hyun,1 and Yun Yong Kim1. 1Department of Civil Engineering, Chungnam National University, Daejeon 305-764, Republic of Korea.

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Admixtures for Concrete - Memphis

entrainment will dramatically improve the durability of concrete exposed to cycles of freezing and thawing (Fig. 6-2). Entrained air greatly improves concrete’s resistance to surface scaling caused by chemical deicers (Fig. 6-3). Fur-thermore, the workability of fresh concrete is improved significantly, and segregation and bleeding are reduced or

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Electrical Resistivity of Concrete for Durability ...

Degradation processes in reinforced concrete structures that affect durability are partially controlled by transport of aggressive ions through the concrete microstructure. Ions are charged and the ability of concrete to hold out against transfer of ions greatly relies on its electrical resistivity. Hence, a connection could be expected between electrical resistivity of concrete and the ...

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A composite material: concrete - RSC Education

Concrete is a mix of aggregate (small stones or gravel), cement and sand. It has good compressive strength (it resists squashing). In more recent times it has been found that adding metal rods or wires to the concrete can increase its tensile (bending) strength. Concrete containing such rods or wires is called reinforced concrete. Making composites

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Durability of Concrete Types of Durability and Factors ...

Feb 14, 2017  Durability is defined as the capability of concrete to resist weathering action, chemical attack and abrasion while maintaining its desired engineering properties. It normally refers to the duration or life span of trouble-free performance. Different concretes require different degrees of durability depending on the exposure environment and properties

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An experimental study on durability properties of concrete ...

An experimental study on durability properties of concrete containing zeolite as a highly reactive natural pozzolan

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(PDF) Color pigments in concrete and their properties

Coloring pigments for concrete: Their possibilities for enhancing architecture ... the mechanical properties and durability. For concrete with ... and durability properties of concrete containing ...

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Mechanical Properties, Thermal Conductivity, and Sound ...

Apr 01, 2018  “Enhancing the durability properties of concrete containing recycled aggregate by the use of pozzolanic materials.” KSCE Journal of Civil Engineering , Vol. 18, No. 1, pp. 155–163, DOI: 10.1007/s12205-013-1245-5.

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Structural Properties of Concrete Materials Containing RoadCem

Jun 16, 2015  This paper presents findings from a preliminary study to assess the structural and material properties of a nonstandard, concrete type mix containing RoadCem, a traditional soil stabilising additive. Two different mixes determined the effect of adding RoadCem in terms of compressive and flexural strengths, breaking strain, thermal expansion and contraction behaviour, permeability using a ...

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Strength and Durability Assessment of Portland Cement ...

Certain self-curing chemicals also enhance the durability of concrete by decreasing the water transport properties through a higher degree of hydration . A review of the literature shows that mineral and chemical admixtures control the strength and durability properties of concrete.

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Physical Properties of Concrete Containing Graphene Oxide ...

Concrete made from ordinary Portland cement is one of the most widely used construction materials due to its excellent compressive strength. However, concrete lacks ductility resulting in low tensile strength and flexural strength, and poor resistance to crack formation. Studies have demonstrated that the addition of graphene oxide (GO) nanosheet can effectively enhance the compressive and ...

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A composite material: concrete - RSC Education

Concrete is a mix of aggregate (small stones or gravel), cement and sand. It has good compressive strength (it resists squashing). In more recent times it has been found that adding metal rods or wires to the concrete can increase its tensile (bending) strength. Concrete containing such rods or wires is called reinforced concrete. Making composites

Get Price

Explained: Cement vs. concrete — their differences, and ...

Apr 03, 2020  Despite this porosity, cement possesses excellent strength and binding properties. Of course, by decreasing this porosity, one can create a denser and even stronger final product. Starting in the 1980s, engineers designed a material — high-performance concrete (HPC) — that did just that.

Get Price

Influence of wollastonite on mechanical properties of concrete

wollastonite, reduction in water absorption, drying-shrinkage and abrasion loss of concrete, and enhancement in durability against alternate freezing-thawing and sulphate attack were observed. Because of high concrete strength and abrasion resistance, a better utilization of concrete cross section is possible.

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Durability Studies on the Recycled Aggregate Concrete in ...

Jul 28, 2019  Since China hosted the Olympic Games in 2008, a mass of construction and demolition (CD) wastes were produced with the rapid urbanization construction. Recycling the CD waste into recycled aggregates (RA) is an effective method for reducing the amount of CD wastes. Many studies on the properties of RA and the durability of recycled aggregate concrete (RAC) were conducted in

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Ultra-High Performance Concrete FHWA

Concurrently, the enhanced durability properties facilitate a lengthening of design life and allow for potential use as thin overlays, claddings, or shells. In the United States, UHPC has been used in prestressed concrete girder simple-span bridges, precast concrete deck panels, and field-cast connections between prefabricated bridge components.

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Admixtures for Concrete - Memphis

entrainment will dramatically improve the durability of concrete exposed to cycles of freezing and thawing (Fig. 6-2). Entrained air greatly improves concrete’s resistance to surface scaling caused by chemical deicers (Fig. 6-3). Fur-thermore, the workability of fresh concrete is improved significantly, and segregation and bleeding are reduced or

Get Price

Effects of Cement Changes and Aggregate System on ...

In this study, the mechanical properties of concrete mixtures containing different cementitious combinations and two aggregate systems were investigated under plastic and drying conditions. Emphasis was laid on the durability and shrinkage of concrete. Life cycle analysis (LCA) was also conducted by using the Green Concrete LCA web tool.

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