Characterization and performance of processed lateritic fine aggregates
— Strength and impact resistance properties of concrete having Fine Bone China Ceramic (FBCC) aggregate as fine aggregates was studied by Siddique et al. [6]. They reported that, replacement of natural river sand by FBCC aggregate results in enhanced mechanical strength and impact resistance properties, which was validated by …
High-strain rate compressive behavior of concrete with two different …
— Eight different concrete mixes characterized by different substitution levels of the two types of plastic aggregates are considered in this study. Two different substitutions are considered: only PET powder substitution of fine aggregates (PET) and simultaneous substitution of PET powder and mix-plastic granules of fine and coarse aggregates (MIX).
Fine Aggregate: Types, Classification and Role in Concrete …
The two primary sources of fine aggregate are natural sources, such as river sand or sea sand, and manufactured or artificial sources, such as crushed stone dust or quarry fines. 5. What is alternative for fine aggregate? An alternative for fine aggregate in concrete mixes is using recycled materials like crushed concrete or recycled glass.
Characterization of Recycled Asphalt Pavement as Aggregate for Concrete
— Title: Characterization of Recycled Asphalt Pavement as Aggregate for Concrete Author(s): Andrea Filippi, Maddalena Carsana, Federica Lollini, Elena Redaelli Publication: Symposium Paper Volume: 355 Issue: Appears on pages(s): 245-262 Keywords: recycled aggregate; concrete; RAP; circular economy DOI: …
Physical–chemical and mineralogical characterization of fine aggregates
— The other property that differs greatly relative to fine natural aggregates. Conclusions. In this work the physical and chemical properties relevant for the incorporation of aggregates in concrete were determined in 10 samples of fine aggregates from CDW obtained from seven Portuguese plants located in various geographical and geological …
Development in Aggregate Quality Characterization …
— Based on source and type, the aggregates are primarily classified into four different categories, namely stone deposit, sand and gravel deposit, industrial byproducts, and manufactured aggregates (Table 2.1).Generally, the stone deposits are the prime source of aggregate for pavement construction, however, there is limited availability of …
SHAPE ANALYSIS OF FINE AGGREGATES USED FOR …
As parts of natures, physical characteristics of fine aggregate are highly relevant to its behaviors in concrete. The most of previous studies are mainly focused on the physical …
The Effects of Aggregate Properties on Concrete Mix Design …
— The relevant characteristics of aggregates are categorized into physical characteristics and geological characteristics. It is found that shape, texture and …
The Effect of Aggregate Properties on Concrete
Aggregate is classified as two different types, coarse and fine. Coarse aggregate is usually greater than 4.75 mm (retained on a No. 4 sieve), while fine aggregate is less than 4.75 …
Performance characteristics of sugarcane bagasse ash and
— India is one of the countries with the strongest agricultural production, hence leading to accumulation of the wastes and therefore leading pollution to the environment. Researchers are using different methods for using this agricultural and industrial waste by-products for construction purposes to safeguard natural sources like limestone, and river …
Recycling of PET bottles as fine aggregate in concrete
— An attempt to substitute in concrete the 5% by weight of fine aggregate (natural sand) with an equal weight of PET aggregates manufactured from the waste un-washed PET bottles (WPET), is presented. ... Specimens with different cement content and water/cement ratio were manufactured. Rheological characterization on fresh concrete …
CHARACTERIZATION OF FINE AGGREGATES IN …
In this study, different types of fine aggregate used in concrete, namely river sand and crushed limestone, are selected for morphological characterization. Traditional sieve analysis and laser ...
High-strength concrete with different fine aggregate
— A high-early-strength Portland cement (ASTM Type III; 438 m 2 /kg Blaine fineness) was used. Coarse aggregate was crushed granite stone with a maximum size …
Physicomechanical Properties and Characterization of Gold …
— In this study, GOTs were utilized as partial replacement material (0%, 5%, 10%, 15%, 20%, 25%, and 30% by weight) to fine aggregates such as river sand (RS) and low calcium fly ash (FA) as binder material in the manufacture of geopolymer concrete (GPC) along with recycled coarse aggregates.
Microstructural Characterization of Concrete Prepared with …
However, a systematic microstructural characterization of recycled aggregate concrete has not been reported. This work studies the use of fine recycled aggregate to replace fine natural aggregate in the production of concrete and reports the resulting microstructures.
(PDF) Microstructural Characterization of Concrete Prepared …
— Finally, the effects of recycled fine aggregate, recycled coarse aggregate, and steel fibers on the shear behavior of the concrete beams were severally quantified by the linear equations, and a ...
Mechanical characterization of high performance concrete …
— Physical, chemical and mineralogical characterization of fine aggregates from construction and demolition waste recycling plants. J. Clean. Prod. (2013) ... slag on the mechanical properties and mesoscopic damage mechanisms of recycled aggregate concrete compared to natural aggregate concrete at different ages.
How Fine Aggregate Affects Mix Design of …
Fine aggregate can be found in four different moisture conditions namely: oven-dry (OD), air-dry (AD), saturated-surface dry (SSD) and wet. Only OD and SSD correspond to a specific moisture state and can be used as …
Effects of recycled fine aggregates on properties of concrete
— Recycled fine aggregates (RFA) were used at 30%, 60% and replacement of natural fine aggregates (NFA) and recycled coarse aggregates (RCA) were used at 0%, 50% and replacement of natural coarse aggregates (NCA). To study the effect of curing temperature, two types of curing regimes, i.e. hot and ambient curing, …
OVERVIEW OF RECYCLING RUBBER TIRE AS AGGREGATES IN CONCRETE…
— This study aims to develop high strength rubberized concrete by utilizing large amounts of fine materials and replacing 15% and 25% of the natural aggregates by volume with a well graded mix of ...
Fine Aggregate for Concrete: 3 Classification, Properties and
— These fine aggregates are essential components in concrete mixtures and play a crucial role in determining the properties of the resulting concrete. Typically …
Aggregates for Concrete
This Bulletin describes types of aggregates normally used in concrete, aggregate properties affecting performance of the concrete, tests used to measure aggregate properties, and …
Application of Aggregates from Construction and …
— When the recycled coarse aggregate content was , the slump of fresh concrete decreased by 13%. This can be explained by the recycled aggregate having a rough surface. Zega et al. studied fresh structural concretes with different percentages of recycled fine concrete aggregates (0%, 20%, and 30%). The recycled aggregate with a …
Preparation and characterization of novel phase-change concrete …
— PO 42.5 cement, fine sand, and coarse aggregate are used to prepare phase-change concrete. The mixing ratio of concrete was calculated according to the "Specification for mix proportion design of ordinary concrete" [27]. The mass ratio of PO 42.5 cement, fine sand, coarse aggregate, and water is 19.6 %: 27.6 %: 43.2 %: 9.6 %.
Concrete Incorporating Recycled Plastic Aggregates: …
— A reference mix with an average compressive strength of around 60 MPa is considered. Recycled polyethylene terephthalate (PET) powder and recycled mixed plastic [polypropylene (PP) and polyethylene (PE)] granules were adopted to substitute fine and coarse aggregates. Two different substitution strategies were employed.
Physical Characterization of Dutch Fine Recycled …
— A type of IFW from a local machine workshop was used to replace the conventional fine aggregate, fine natural sand (FNS), at percentages of 25%, 50% 75%, and by the weight of FNS of the …
Physical, chemical and mineralogical properties of fine recycled
— 1. Introduction. Concrete is the most used construction material, with estimated annual production of 10 billion cubic meters [1].Since 60–80% of the concrete volume is taken by aggregates, the overall consumption of natural aggregates (sand and gravel) is very high, generating huge pressure on surrounding ecosystems [2].The environmental …
Physical, chemical and mineralogical characterization of Dutch fine
— These are comparable to cement paste contents 16.1 wt.% and 24.6 wt.% for recycled coarse and fine concrete aggregates, respectively [4]. The cement paste concentrates in the finer fraction (0–0.250 mm), in ... Based on XRD characterization of different fRCA, it was found that they are mainly made up by crystalline phases (>70 …
Use of fine recycled concrete aggregates in concrete: A …
— Advanced characterization techniques and concrete technology tools are needed to account for limiting properties of fRCA in concrete mix design. ... Fine recycled concrete aggregates (fRCA) (< 4 ... prepared with different fine aggregates: (a) UHPC with natural fine aggregate (NFA) (quartz or river sand), (b) UHPC with NFA partially …
High-strength concrete with different fine aggregate
— Alexander and Milne [18] have observed a similar relationship when the source of both fine and coarse aggregates is the same. The influence of fine aggregate source on elastic modulus of concrete is also shown in Fig. 5. At early ages, the evolution of elastic modulus is closely related to texture and shape of fine aggregate, when the paste ...
Characterization of ceramic waste aggregate concrete
— The materials used in this study were ordinary Portland cement CEM I 42.5 grade, conforming to British Standards [11], granite of maximum particle size of 12.5 mm and granulometric modulus of 6.95, river sand of maximum particle size of 4 mm and granulometric modulus of 2.24, ceramic waste coarse aggregates of granulometric …
Alternative fine aggregates in production of sustainable concrete …
— In this context, use of different alternative fine aggregates (AFA) from different sources can be considered as an effective elucidation. ... (Khatib, 2005; Solyman, 2005; Fan et al., 2015). Nowadays, utilization of RFA as a replacement to fine aggregates in concrete is being popularised. Major sources for RFA are concrete, bricks, glass ...
SHAPE ANALYSIS OF FINE AGGREGATES USED FOR …
General PSDs of different types of fine aggre-gates by the sieve test. Optical microscopy is firstly used for the general morphological characterization of two fine aggregates. This observation can give the first impression of the size and shape of two materials. Example images of the two types of fine aggregate are shown in Fig. 2.
Mechanical, Physico-Chemical and Morphological Characterization …
— 2.1. Cement and Sand (Fine Aggregate) According to IS 8112-2013 [], 43 grade ordinary Portland cement (OPC) was employed as a binder during the whole investigation.A sieve test was used to assess the cement fineness and observed that the residue on 90 µ sieve was 8%, which is less than 10%, as required for OPC.
Effect of Gradation and Morphological Characteristics of Aggregates …
— In present study, two different sizes i.e., gradation I and II, for both bituminous concrete (BC) and dense bituminous macadam (DBM) of aggregates are castoff to investigate the influence of gradation on four different shapes (i.e., round, angular, flaky and elongated). Subsequently, traditional methods and 3D optical scanner image …
Multi-Technique Characterization of a Fine Fraction of …
replacement of concrete crushing aggregate between 15%–60% of the coarse fraction for the manufacture of structural concrete. Not all this waste is recycled, however, for the crushing entailed to produce aggregate of suitable particle size generates fine, <5 mm particle materials, comprising primarily fine aggregates,