This is because of the low specific gravity of PET compared to the specific gravity of natural fine or coarse aggregate [13,47,52,67,69]. Ismail and Al-Hashmi [70] agreed with the previous ...
Natural aggregate is the main source of aggregate used in concrete work in Iraq. Synthetic aggregate is also used in limited scale around the world. An industrial …
The mater ials used as lightweight aggregate in concrete are discussed in . ... The use of this t echnology in Iraq in a la rge way greatly reduces the pr oblems of pollution, sinc e .
In Mosul city, Iraq, the war with ISIS left nearly 11 million tons of rubble. In this study, the possibility of using recycled aggregates in non-structural concrete …
The third mix of structural lightweight concrete produced by using composite aggregates that is formed from 75% recycled of local Iraqi clay bricks and 25% from waste of themestone. All...
Currently, concrete plants utilise two techniques to produce self-curing concrete. The first is the use of a natural and/or artificial lightweight aggregate (LWA) and concrete will become a lightweight …
Aggregates are the major constituent (ingredient) in concrete, making up 60% to 70% of the volume of concrete. Aggregates influence the workability of plastic concrete and also the durability, strength, thermal properties, and density of hardened concrete. Particle size divides aggregates into two categories: fine and coarse. Most …
Evaluating the Performance of High Modulus Asphalt Concrete Mixture for Base Course in Iraq. May 2017; Journal of ... aggregate, and filler used in this work have been characterized using routine ...
This study insures that reusing waste plastic as a sand-substitution aggregate in concrete gives a good approach to reduce the cost of materials and solve some of the solid waste problems posed by plastics. ... The fine aggregate was natural sand of 4.75 mm maximum size obtained from the Al-Ukaider area in Iraq. The …
Fine aggregates used for concrete works in Sulaymaniyah city frequently fail to meet the standard requirements for gradation and fineness modulus in cement concrete. This paper aims to critically evaluate gradation, fineness modulus, and clay ... 10 Volume 27 October 2021 Civil and Architectural Engineering Critical Evaluation for Grading and ...
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In general, using waste material as lightweight aggregate decreases the concrete's overall weight. The materials used as lightweight aggregate in concrete are discussed in this study. According to research, utilizing trash as a lightweight aggregate not only improves the characteristics of concrete but also gives a sustainable approach to ...
METHODS ON HMA ASPHALT CONCRETE IN IRAQ Amjad H. K. Albayati, Assist prof. Transportation. Engineering, University of Baghdad, ... This aggregate is widely used in Baghdad city for asphaltic mixes ...
Highpave™ is a range of fibre reinforced pavement grade ready-mixed concrete that reduces the errors associated with conventional reinforcing methods. ... materials sector. With a broad, established range of low carbon solutions and a focus on the circular economy, Aggregate Industries continues to invest in R&D and innovation, working in ...
aggregate's applicability was used for some structural uses of roads and concrete works in a few Kirkuk Governorate locations (northern Iraq) (Al-Tamimi, 2020).Morover, The Marshall method and the super pave method were tested with limestone aggregates in places other than Iraq. These methods worked
Natural aggregate is the main source of aggregate used in concrete work in Iraq. Synthetic aggregate is also used in limited scale around the world. An industrial solid waste is produced from iron ...
Use of Recycled Coarse Aggregate (RCA) in concrete can be described in terms of environmental protection and economy. This paper deals with the mechanical properties …
Answer: Fine aggregate is used in concrete to serve two purposes, 1. Provides a filler for the spaces between the coarse aggregates (like gravel or crushed stone) in a concrete mix. 2. This helps to reduce the void content in the concrete mixture, enhancing the overall compactness and workability of the material.
Coarse Aggregate used in recycled concrete. A comparative between the experimental results of the ... Iraq, was used in this study. The fine aggregate grading was checked
Study of Aggregates Used for Concrete 1n Kuwait ORAOA A, K,VVAJ.I ABSTRACT The research reported in this paper was ... Iraq to the north and west, by Saudi Arabia south, and by the Gulf of Arabia to the east (Figure 1). Kuwait covers about 15,900 km2 and has a popu- Kayyali 27 ...
Various waste may be used to create fine aggregates for concrete [10,11,12,13]. Much research is focused on improving the quality of environment in different ways ... a sequence of experimental tests on the mechanical behavior of concrete made from abandoned iron ore tailings in Iraq, and the findings showed that it performed …
The aggregates are broadly classified into two types based on the size, namely- fine aggregate and coarse aggregate. In this article, we discuss the properties of the standard aggregates used in the production of concrete as per the American Standards (ASTM- …
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Coarse aggregates have properties such as size, shape, moisture contents, specific gravity, density etc. which affects concrete strength and durability in many ways. These effect of aggregate properties on concrete are discussed in detail. Concrete is a mixture of cementitious material, ...
Semantic Scholar extracted view of "Use of waste plastic in concrete mixture as aggregate replacement." by Z. Ismail et al.
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Therefore, numerous researches have been undertaken on inclusion MK in concrete and mortar and production of (free-cement concrete) geopolymer concrete.
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Many concrete recycling strategies have emerged and many studies were devoted so as to find the best alternative to recycle concrete waste in order to produce recycled concrete aggregates (RCA ...
Journal homepage: https:// DOI: 10.46717/igj.55.2E.12ms- 176 Validity of Euphrates River Terraces Deposits between Baghdad and ... Specifications ASTMC33-03 for the aggregate used in concrete to ensure the quality of concrete produced. Iraqi Geological Journal Mohammed et al. 2022, 55 (2E), 176-188 178
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