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effects of crushed clay aggregate on mortar

Effect of fired clay aggregates on mechanical properties of ...

Coarse aggregates from bricks were obtained by crushing fired clay bricks. The properties of the coarse aggregates concrete including density, compressive strength, tensile splitting...

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Effect of Clay Fines on the Behavior of Self-Compacting Concrete

2) Three fractions of aggregates: Sand 0/3, G 3/8; G 8/15). 3) Waste crushed (WCB): produced by the - yard of Bejaia, Algeria, and was ignited at 900˚C (<80 µm). 4) Silica fume (SF) produced by the Canadian com- pany SKW. 5) Lime used in "study of pozzolanic effect" has been crushed and then sieved at 80 μm.

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Utilization of crushed clay in cellular concrete production - CORE

Recycled aggregates; Crushed clay bricks; ... Abstract The main objective of this research program is to study the effect of using crushed clay as an alternative aggregate in aerated concrete. Two series of mixtures were designed to inves- ... The base mortar was prepared using 2/3 of the required total water. The rest third of water

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Properties of Concrete Using Crushed Clinker As Coarse Aggregate ...

Aci Materials Journal. Clinker is a very hard burned whose shape is distorted or bloated due to nearly complete vitrification. Due to some inefficiency in some of the -producing kilns in Iran, and also due to some methods of production in general, about 1 percent of all bricks produced is classified as clinker .

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What Is Fine Aggregate | Types of Fine Aggregates (Classification)

Fine aggregates consist of natural sand or any crushed stone particles that are ¼" or smaller. This product is often referred to as 1/4'" minus as it refers to the size, or grading, of this particular aggregate. or. Fine aggregate ( Sand) Fills voids between aggregates. It forms the bulk and makes mortar or concrete economical.

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Recycled Clay As an Aggregate for Concrete: Overview - Core

If the crushed aggregate concrete is wet, th n the internal steam pressure, created in a case of fire, can cause spalling [4]. Low thermal conductivity of concrete also improves its fire resistance.

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Effects of Aggregate Properties on Concrete - Size, Grading

Effect of Size. The grading or size distribution of aggregate has a considerable effect on the properties of concrete as it determines the paste requirement for workability of concrete. The paste also affects the cost of the mix as cement is the most expensive component in the mix. Hence, it is required that optimum size of aggregates is used ...

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International Journal of Mechanical Engineering THE EFFECTS OF WASTE ...

The study presents the waste clay powder WCBP effects on the fresh and hardened properties and performance in the self-compacting concrete (SCC). Different percentages (1%, 3%, 5%, and 7.5%) of cement weight were replaced with waste clay powder (WCBP) in SCC with maxim sieve sizes of 75μ and 80μ.

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Use of Waste in Concrete: a Prespective

The effects of the content of crushed coarse and fine clay aggregates (CBA) on the mechanical properties of non-structural concrete block were quantified. From the experimental test results, it was observed that incorporating the crushed clay aggregates had a significant influence on the properties of blocks.

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Materials | Free Full-Text | Internal Curing Effect and Compressive ...

The SIs of RACI and RACII decrease steadily when the r is below 40%; then, there is a significant drop once the r is higher than 60%, when the RBA with a low strength becomes the main coarse aggregate in RAC. 3.3. Internal Curing Effect

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6 Types of Deleterious Substances in Aggregate - The Constructor

🕑 Reading time: 1 minute Deleterious materials in aggregate are those substances which detrimentally effect the fresh and hardened properties of concrete for instance strength, workability, and long-term performance of the concrete in which such are used. Deleterious materials and highly undesirable constituents. Organic impurities, clay, silt and crushed dust, salts, unsound particles, and ...

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Effect of Polypropylene Fibers on Properties of Mortar Containing ...

3.1.2 Broken Aggregate: The broken aggregate was used as fine aggregate, and the required quantity of crushed was brought from different locations. After that the large pieces were crushed into smaller sizes manually by means of hammer in order to facilitate the insertion of broken through the

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Utilization of Waste Clay Bricks and Waste Lightweight Concrete Blocks ...

The effects of the wastes aggregate on flow and engineering properties (i.e., density, compressive strength, flexural strength, and water absorption) of mortar have been also investigated at 7, 28, and 360 days. ... Effects of crushed clay aggregate on mortar durability, Construction and Building Materials, Vol. 23 (5), 1909-1914, 2009. ...

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Minerals | Free Full-Text | The Effect of Finely-Grinded Crushed ...

Jan 27, 2022The utilization of waste crushed clay (CB) in concrete reduces its harmful impacts on the environment as it can be found in many places around the world. This research studies the possibility of using clay powder (CBP) as a filler material to produce lightweight concrete as it has been exposed to high temperatures during manufacturing of the bricks, which increases its pozzolanic ...

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Effects of Crushed Waste Aggregate from the Manufacture of Clay Bricks ...

The , in crushed form, was from a local manufacturer that was rejected due to being of-standard. It was used to replace 33.33 %, 50 %, 66.66 % and 100 % by weight of the quarry sand in mortar. Effects of the replacement on the mortar key properties intended for wall plastering were investigated; these are workability, compressive strength, flexural strength, linear shrinkage, water absorption by total immersion and by capillary suction.

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Sustainable Mortar Made with Local Clay Bricks and Glass Waste Exposed ...

The flexural strength at 400 ᵒC was showed improving by 56% for 20% waste clay and 69% with 10% waste glass, as well all combination mixes illustrated higher strength than the control. Doi: 10.28991/cej-2021-03091729 Full Text: PDF Keywords High Temperatures; Sustainable Materials; Recycle Aggregate; Compressive Strength. References

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Effect of Crushed Clay as Coarse Aggregate on Creep Behavior of ...

Difference between creep behaviors of concrete made from stone chips and crushed clay bricks, i.e. chips as coarse aggregate are examined by means of creep testing on their representative samples. Two different grades of concrete 17.2 and 27.5 N/mm2 are prepared from chips and stone chips using appropriate mix design and are tested for creep for up to 50 days.

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Recycling of crushed clay bricks as fine aggregate in concrete and ...

Jul 8, 2022The experimental results indicated a decrease in compressive strength and splitting tensile strength of the concrete specimens. Also, the presence of crushed bricks aggregate in mixtures reduces...

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Effects of Binary and Ternary Blend of Fly Ash and Calcined Waste ...

waste crushed clay bricks burned at 850ºC was procured from a manufacturing industry located in Minna, Niger State, Nigeria. The calcined waste crushed clay bricks were ground with the aid of porcelain ball mill for 90minutes. River sand was used as the fine aggregate (FA), while 19mm crushed granite was used as the coarse aggregate (CA).

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Influences of Clay Particles on the Performance of Cement ...

effects of crushed clay aggregate on mortar durability. Cahim [15] conducted some tests on the mechanical properties of concrete made with crushed bricks. Syed Ishtiaq et al. [16] conducted a comprehensive testing program to study the effect of crushed clay bricks as coarse aggregate on the creep behavior of concrete.

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Using Crushed Clay as Coarse Aggregate in Concrete

The present investigation is the first phase of a two-phase program to study the effects of using recycled masonry aggregate (predominately made of clay ) with its impurities on the properties of fresh and hardened concrete. Four different types of new clay bricks with different compressive strengths were used in the investigation.

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Effects of Coarse and Fine Crushed Clay Content on the ... - Hindawi

The interfacial transition zones inside RAC had loose crystals and high porosity, with a weak adhesion between the crushed clay bricks and mortar interfaces. The crushed clay bricks did not affect the types of concrete hydration products, and Calcium- Silicate-Hydrate (C-S-H) and Ca(OH)

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Effects of Particle Size and Type of Aggregate on Mechanical Properties ...

A mixture of natural aggregate and recycled clay NA-RCB NA-RCB is a material made up of mixing natural aggregate and recycled clay in %. A mixture of natural aggregate and reclaimed asphalt pavement NA-RAP NA-RAP is a material made up of mixing natural aggregate and reclaimed asphalt pavement in %. A mixture of recycled concrete

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Properties of mortar with waste clay bricks as fine aggregate

In this paper, the sintering temperature of clay is between 900 and 1000 °C, so that the clay with heat treatment can better activate the pozzolanic activity of clay . Therefore, with the increase of curing age of recycled mortar, the pozzolanic reaction of the RCBA is more adequate, thus strengthening the strength of interfacial transition zone, and improving the strength of recycled mortar.

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(Pdf) Compressive Strength of Concrete Using Natural Aggregates (Gravel ...

Crushed clay bricks originate mostly from broken and over-burnt bricks. There were considered as partial substitute for coarse aggregate in concrete for this study. The replacement proportions were varied from 0%, 20%, 40%, 60%, 80%, and 100% by weight for natural aggregates.A detailed analysis of the results of previous work done by various ...

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Effects of crushed clay aggregate on mortar durability

The , in crushed form, was from a local manufacturer that salvages its off-standard products. It was used to replace 10% and 20% (by weight) of the river sand in mortar. Effects of the...

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Effect of Elevated Temperature on the Physical and Mechanical ...

Article "Effect of Elevated Temperature on the Physical and Mechanical Properties of Crushed Clay Bricks Aggregate Concrete" Detailed information of the J-GLOBAL is a service based on the concept of Linking, Expanding, and Sparking, linking science and technology information which hitherto stood alone to support the generation of ideas. By linking the information entered, we provide ...

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Closing the Clay- Cycle, Options for The Recycling or Reus E of ...

thermal treatment. The quality of reused clay-bricks and new clay-bricks are compared. When the temperature in the oven rises, strains are built up in the clay- and mortar. Those strains are caused by the difference in linear expansion coefficient for the mortar and clay-, namely 10-12⋅10-6 K-1 respectively 5-7⋅10 K . When the ...

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The Effect of Concrete Containing Recycled Concrete Aggregate and ...

The maximum deflection and spalling ratio of the specimens were verified with the experimental data. The results corroborate that using recycled concrete aggregate and crushed clay bricks improve the strength of slabs against blast loading. In addition, the best fraction of this type of materials has been illustrated.

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Physico-mechanical properties of solid cement bricks containing ...

In each series, either natural fine aggregate, coarse aggregate or both were replaced with crushed aggregates (CBA) at 0%, 50% and 100% by volume. Compressive strength, unit weight and water absorption were determined and compared with the relevant national and international standards for load bearing and non-load bearing units, respectively.

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The Effect of Aggregate Properties on Concrete - Penn State College of ...

This surface moisture on the fine aggregate creates a thick film over the surface of the particles pushing them apart and increasing the apparent volume. This is commonly known as bulking and can cause significant errors in proportioning volume.

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Alkali reactivity of crushed clay aggregate - ScienceDirect

Bektas et al., in their study with mortars incorporating crushed clay aggregate, claimed the porous nature of crushed aggregate increased the freeze-thaw resistance of mortars. The same study demonstrated that the crushed clay aggregate was highly alkali reactive based on the accelerated mortar bar method which tests fine aggregate in alkaline solution at 80 °C.

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Physico-mechanical properties of solid cement bricks containing ...

This paper investigates the physical and mechanical properties of solid cement bricks manufactured with crushed clay bricks as recycled aggregates. Four series of mixtures with cement content 100, 150, 200 and 300 kg/m3 were prepared. In each series, either natural fine aggregate, coarse aggregate or both were replaced with crushed ...

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Effect of Clay Powder on ASR Expansion Control of Rhyolite Mortar ...

Effect of Clay Powder on ASR Expansion Control of Rhyolite Mortar Bar Abstract: This paper investigated the effect of clay powder (BP) on expansion behaviors of mortar bars using rhyolite aggregates, local volcanic rock from central Thailand. The accelerated test condition (ASTM C 1260) was used in this study.

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The Effect of Feldspar, Mica and Clay Minerals on ... - SpringerLink

Especially addition of mica and clay minerals such as illite and montmorillonite with different percentages in standard sand causes to increase water demand in mortar and therefore reduce the strength of mortar. In this study, unweathered crushed mica and feldspar minerals were used.

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Use of crushed clay waste as dune sand granular corrector in ...

The present study aims to investigate the possibility of using crushed clay waste as dune sand granular corrector in mortar manufacturing. The mixtures composition method is based on the progressive substitution of dune sand with crushed waste at different weight contents; 5, 10, 15, 20 and 25%.

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Effect of Waste Clay on the Modulus of Elasticity, Drying ...

Feb 3, 2022The source of waste clay powder and recycled waste aggregate was the residual pieces of non-used hollow clay , which was thrown away at different construction sites in Baghdad city. The collected waste clay was crushed by jaw crusher machine into the manageable pieces as shown in Fig. 1.

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(PDF) The use of coarse and fine crushed bricks as aggregate in ...

Shrinkage (µm/m) 800 u0003 Shrinkage and water permeability increased with crushed aggregates ratio. Up to 28 days, the coarse 600 crushed bricks concrete (CG/0) presents a delayed 400 shrinkage value compared to natural aggregates con- crete, followed by an abrupt increase of up to 80% at 200 90 days of age.

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Effect of Ground Waste Concrete Powder on Cement Properties - Hindawi

Effect of Ground Waste Concrete Powder on Cement Properties: The paste/mortar attached to the recycled aggregate decreases the quality of the aggregate and needs to be stripped. The stripped paste/mortar is roughly 20% to 50% in waste concrete, but relevant research is very limited. In this paper, the effects of ground waste concrete (GWC) powder, coming from the attached paste/mortar, on ...

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Effect of the Moisture Content of Recycled Aggregate on the Mechanical ...

Akbarnezhad et al. [ 25] found that when the amount of attached mortar increased from 14% to 58%, the compressive strength of recycled concrete decreased from 60 MPa to 50 MPa, because of the higher effective water-cement ratio and poor compactness caused by porous attached mortar.

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