effect of aggregate production on concrete strength

The Effects of Aggregate Properties on Concrete Mix
2022年5月24日 Annual global production of concrete is estimated at approximately 5.3 billion cubic-meters (Roskos et al. 2011) and it consumes over 40% of construction
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Effect of aggregate properties on the strength and
2003年2月1日 Effect of volume fraction on elastic modulus for concrete using different aggregate type. To sum up, the compressive strengths and elastic moduli of lightweight
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Impact of mechanical resistance of aggregate on
2020年12月1日 Thanks to the bond with the paste, the aggregate deforms and stresses. According to some authors [[12], [13], [14]], the effect of the paste's adhesion to
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(PDF) Effect of Aggregate Shapes on the
2020年9月1日 The highest obtained compressive strength, 15N/mm2 is in compliance with the concrete compressive strength of normal 1:2:4 mix as stipulated in ASTM C109, Also, with 30% of elongated aggregate and ...
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The effects of aggregate properties on lightweight concrete
2007年8月1日 The strength of lightweight aggregate in terms of tube strength to GB/T 2842 is given in Fig. 1.The strengths of the 25, 15 and 5 mm aggregates were 1.64, 5.6 and
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The Effect of Aggregate Properties on Concrete
2000年3月30日 The compressive aggregate strength is an important factor in the selection of aggregate. When determining the strength of normal concrete, most concrete aggregates are several times stronger than the
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Effect of Aggregate Type on Properties of Ultra-High
2022年6月14日 In this work, we present an analysis of natural fine aggregatesrsquo; influence on the properties of ultra-high-strength concrete. The reference concrete mix
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Effect of Aggregate Size and Compaction on the Strength
2023年1月7日 Pervious concrete is one of the emerging sustainable materials that has recently gained the attention of many researchers. The importance of pervious concrete
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Effect of very fine aggregate on concrete strength
The effect of very fine aggregate on the water requirement and strength evolution of superplasticized concrete was studied. The maximum aggregate size was 6 mm, fine
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Experimental study of the effect of aggregate type on
2021年5月1日 For this reason, investigating the effect of the concrete constituents, such as aggregates, on its mechanical and durability properties is of great importance. Aggregates make up between 60% and 80% of the volume of concrete, being surrounded by the cement paste. Aggregates are considered to be the most important factor affecting concrete
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Effect of aggregate properties on the strength and
2003年2月1日 Effect of volume fraction on elastic modulus for concrete using different aggregate type. To sum up, the compressive strengths and elastic moduli of lightweight aggregate concretes decrease with an increase in aggregates volume fraction and increase (except the volume fraction ratio of 18%) with an increase of aggregate strength. The
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(PDF) Effect of Aggregate Shapes on the
2020年9月1日 The highest obtained compressive strength, 15N/mm2 is in compliance with the concrete compressive strength of normal 1:2:4 mix as stipulated in ASTM C109, Also, with 30% of elongated aggregate and ...
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Experimental investigation of the effect of coarse
2014年12月1日 At high confinement (⩾ 200 MPa), the shear strength of concrete seems to be controlled by the compacted cement matrix provided aggregate strength is sufficiently greater than the mortar strength. Otherwise, a lower-strength aggregate reduces overall concrete strength at very high confinement (600 MPa). The coarse aggregate shape
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Effects of coarse aggregate morphology on concrete
2023年1月1日 The coarse aggregate composition is designed based on the SCD as shown in Table 4, and then the ternary diagram can be determined as illustrated in Fig. 3.There are 21-type samples in total and six 100 × 100 × 100 mm 3 cubic specimens are prepared for each type specimen. The concrete samples were demolded after 24 h and then cured at
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Effect of Aggregate Type and Specimen Configuration on
2020年6月25日 In this paper, concrete mixes utilizing two sizes of natural aggregate and two sources of lightweight and recycled aggregates were used to investigate the effect of aggregate type and specimen size and shape on the compressive strength of concrete. In addition, samples from ready-mix concrete producers with different strengths were
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Analysis of the Aggregate Effect on the Compressive
2021年2月23日 In this study, the compressive strengths of concrete were investigated based on water content and aggregate volume fractions, comprising dune sand (DS), crushed sand (CS), and coarse aggregate (CA), for different ages. Experimental data were used to analyze the effects of the volume fraction changes of aggregates on the
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The Effect of Aggregate Properties on Concrete
2000年3月30日 The compressive aggregate strength is an important factor in the selection of aggregate. When determining the strength of normal concrete, most concrete aggregates are several times stronger than the
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Effect of Aggregate Roughness on Strength and
2021年5月28日 2.2. Mix Design and Production. In this paper, cement content (400 kg/m 3), sand content (600 kg/m 3), and water-cement ratio (0.5) were chosen to start the mix proportioning process.Then, by adopting the absolute volume method and to obtain a target density of 1600 kg/m 3, the LWA content was calculated as 400 kg/m 3.. Production of
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The effects of bond strengths between lightweight and
2003年12月20日 1.. IntroductionConcrete is known as a composite material produced by adding the appropriate portions of coarse and fine aggregates, cement, water and some additives when necessary [1], [2], [3].It is known that the inhomogeneous structure of concrete can be described as a three-phase system consisting of hardened cement
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Experimental study of the effect of aggregate type on
2021年5月1日 For this reason, investigating the effect of the concrete constituents, such as aggregates, on its mechanical and durability properties is of great importance. Aggregates make up between 60% and 80% of the volume of concrete, being surrounded by the cement paste. Aggregates are considered to be the most important factor affecting concrete
Charlar en Línea
Effect of aggregate properties on the strength and
2003年2月1日 Effect of volume fraction on elastic modulus for concrete using different aggregate type. To sum up, the compressive strengths and elastic moduli of lightweight aggregate concretes decrease with an increase in aggregates volume fraction and increase (except the volume fraction ratio of 18%) with an increase of aggregate strength. The
Charlar en Línea
(PDF) Effect of Aggregate Shapes on the
2020年9月1日 The highest obtained compressive strength, 15N/mm2 is in compliance with the concrete compressive strength of normal 1:2:4 mix as stipulated in ASTM C109, Also, with 30% of elongated aggregate and ...
Charlar en Línea
Experimental investigation of the effect of coarse
2014年12月1日 At high confinement (⩾ 200 MPa), the shear strength of concrete seems to be controlled by the compacted cement matrix provided aggregate strength is sufficiently greater than the mortar strength. Otherwise, a lower-strength aggregate reduces overall concrete strength at very high confinement (600 MPa). The coarse aggregate shape
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Effect of Aggregate Type on Properties of Ultra-High
2022年7月21日 40 tested mixtures, after 28 days of curing, only one of the compressive strengths of concrete exceeded 150 MPa. At the beginning of the 20th century, Donza et al. in [18] conducted research on the inﬂuence of the type of ﬁne aggregate on the properties of high-strength concrete. Concretes
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Effect of aggregate and fibre types on ultra-high
2022年10月15日 This research examines the properties of ultra-high-performance (UHPC) and heavyweight radiation shielding concrete (UHPHSC). Several types of heavy-weight fine aggregates (sand, magnetite, hematite ilmenite and barite) were used to achieve these properties. In addition, the different types of fibres (steel fibre, lead fibre and basalt fibre)
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The effects of bond strengths between lightweight and
2003年12月20日 1.. IntroductionConcrete is known as a composite material produced by adding the appropriate portions of coarse and fine aggregates, cement, water and some additives when necessary [1], [2], [3].It is known that the inhomogeneous structure of concrete can be described as a three-phase system consisting of hardened cement
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The Effects of Aggregates Characteristics on the
2019年2月8日 Aggregate shape, texture, and grading have a significant effect on the performance of fresh concrete. Aggregate blends with well-shaped, rounded, and smooth particles require less paste for a given slump than blends with flat, elongated, angular, and rough particles. At the same time, uniform gradings with proper amounts of each size
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Development of high strength recycled aggregate
2022年8月23日 The world today has started facing bigger problems related to the concrete industry, especially with concrete becoming the most extensively used construction material in the world. At a time like this, where more eco-friendly substitutions are stringent, it calls for a more comprehensive approach in producing recycled concrete from recycled concrete
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Effect of Steel Fibers on Compressive Strength of Recycled
2023年4月1日 Abstract In this research article effect of steel fibers on workability and compressive strength of recycled aggregate concrete is presented. Recycled aggregates from demolished waste were used in equal proportion with conventional aggregates. Steel fibers of 1 mm diameter and 25 mm length were used. For preparation of concrete 1:2:4
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