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A Bibliometric Review of Lightweight Aggregate …
This review paper will benefit researchers in identifying the ongoing trend in lightweight aggregate geopolymer concrete, identifying more areas for additional study. It will also act as a knowledge source for policymakers, …
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Iraqi Geological Journal
Keywords: Concrete; Al-Naba gravel; Minced Tires; Coarse aggregate; Heat-Insulating Concrete; Minced rubber tires; Concrete mixes 1. Introduction Using rubber particles as concrete aggregates can reduce the environmental impacts caused by the high volume of used tire buildup (Guo et al., 2017). More than one billion tires are discarded worldwide
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Effect of Recycled Aggregate on Interlocking Concrete …
Abstract - This study aims to produce interlocking concrete blocks and base coarse by using recycled concrete aggregates which obtained from construction and demolition (C & D) …
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Effects of eggshells powder and date seeds on properties of …
Iraq produces a lot of organic and agricultural wastes that are largely unused. This study conducted an experimental investigation to evaluate the suitability of incorporating eggshells powder and Date Seeds (DS) in concrete. ... Coarse aggregate used in concrete. Central Organization for Standardization and Quality Control. 26. ASTM-C494-14
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Reuse of Glass waste as a partial replacement to fine aggregates …
Shekhawat et al. [16] used four different percentages (10%, 20%, 30%, and 40%) of glass waste as a partial substitute for fine aggregate in ordinary concrete (M-25) to study the hardened ...
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Concrete & Aggregate Testing | SGS Iraq
Concrete and aggregate used in your construction projects has to meet strict regulations and quality standards. As these standards are often compulsory, concrete and aggregate testing by an independent third-party is necessary to help assure compliance. ... Location: Iraq • English Change Location. Terms and Conditions; Terms of Access ...
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Production of Structural Light-Weight Aggregate …
This paper presents the experimental investigation for producing structural lightweight concrete using three types of lightweight aggregate from different sources of local natural, waste and...
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Quality Assessment of River Sand from Different Sources Used in
The results reveal that the mixes with melted crushed brick aggregate show decrease in concrete compressive strength about 3–13%, flexural strength about 11–33% and modulus of elasticity about ...
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Production of Structural Light-Weight Aggregate Concrete Using
The second mix involving the pumice stone which is obtainable in northern Iraq used as a coarse aggregate. The third mix of structural lightweight concrete produced by using composite aggregates ...
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The influence of recycled concrete aggregate on the
Ordinary Portland cement (Type I) produced in Iraq from Mass . Company, was utilized in casting the specimens. ... and recycled concrete aggregates (RCA) was also used as a partial replacement of ...
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Why is Aggregates used in Concrete? | Total Concrete
The term 'grading' related to how the aggregates are used in the concrete mixture. A 'concrete grade' is a type of concrete. To learn more see our Concrete Grades Guide. The more closely packed the particles of the aggregate are, the greater its strength and therefore the greater the strength of the concrete. Poorly-graded concretes ...
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The Use of Lightweight Aggregate in Concrete: A Review
Bonding of steel reinforcement in structural expanded clay lightweight aggregate concrete: The influence of failure mechanism and concrete composition, Construction and Building Materials, 65, 350-359. Dilli, M. E., Atahan, H. N., and Şengül, C., 2015. A comparison of strength and elastic properties between conventional and lightweight ...
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Effect of Recycled Aggregate on Interlocking Concrete Blocks for …
The appropriate replacement percentages of natural aggregate by RCA are (25% and 50%) which slightly decrease the workability of the concrete mix up to (11% and 13.8%) respectively, density of concrete cubes up to (0.86% and 0.34%) respectively and compressive strength of concrete cubes up to (10.4% and 6.2%) respectively as compared with the ...
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View of The Recycling Use of Concrete Waste as Aggregate to …
Return to Article Details The Recycling Use of Concrete Waste as Aggregate to Produce Different Types of Concrete Download Download PDF The Recycling Use of Concrete ...
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Asst. Prof. University of Technology, Baghdad, Iraq . [email protected] . Abstract. Aggregate, is one of the essential ingredients for creating concrete, as it generally ... concrete, to better understand the properties of concrete with recycled aggregates used as a substitution material for normal aggregates in concrete. The study
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aggregate use in concrete in iraq
Aggregate Use In Concrete In Iraq - Hansestadt Demmin. 0183;32;form 75-80 by volume of concrete. in iraq the most common aggregate naturally was sand and gravel. . the use of crushed limestone as fine aggregate in concrete effect properties of both fresh and hardened concretesuch as. Learn More
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Aggregates in Concrete: Types, Functions, and …
Aggregates used in concrete help design the drainage system. As it manages the water flow, it can control erosion. Recycling aggregates used in concrete can improve sustainability by reducing waste. Conclusion . …
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Sustainable Concrete in the Construction Industry of …
Buildings 2022, 12, 1318 4 of 12 Figure 2. Particle size distribution of coarse aggregate (CA) and BS EN 933-1:1997 limits. Table 4. Properties of PEG-400 (Source: alpha-chemika, 2019).
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Critical Evaluation for Grading and Fineness Modulus of Concrete …
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 contents of various natural sands produced and used for concrete work in the region.
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Iraqi Specifications No. (45), 1984 for Aggregates of Natural …
Iraqi Specifications No. (45), 1984 for Aggregates of Natural Resources used for Concrete and Construction. Bayan S. Al Numan, Faris R. Ahmed, Zahraa N. Rashied. Experimental Time …
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The Recycling Use of Concrete Waste as Aggregate to Produce …
The study concluded that a replacement ratio of coarse and fine recycled aggregate can be used successfully with different types of cement to obtain a new type of concrete that can be used in several engineering fields.
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Aggregate Industries
Cambridge Readymix Plant supplies concrete for domestic, commercial and agricultural applications in Cambridgeshire. From Construction sites to DIY projects. ... Aggregate Industries is driving decarbonisation across the construction materials sector. With a broad, established range of low carbon solutions and a focus on the circular economy ...
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Iraqi Geological Journal
Fine aggregates are unique in their use as binder materials for building units; the gradient property is one of the important properties in aggregates as it greatly affects the need for …
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Critical Evaluation for Grading and Fineness Modulus of Concrete …
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 ... Critical Evaluation for Grading and Fineness Modulus of Concrete Sands used in Sulaymaniyah City-Iraq.
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The combined effect of using recycled coarse aggregate and
The reuse of materials from destroyed structures as recycled aggregate for concrete has become an important issue, especially in Iraq's Mosul City following the war of …
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Production of Structural Light-Weight Aggregate …
In Iraq, little has been done on the use of LWC in structural members. Many researches has shown that there is an abundant supply of lightweight rock discovered in the Iraqi western desert that may be used to produce concrete …
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The influence of recycled concrete aggregate on the
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 of concrete compressive ...
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Exposed Aggregate Concrete
Lafarge Aggregates & Concrete Iraq Mam Street, Al-Adala District, Southern Industrial Zone Erbil - Iraq Tel: +964 750 334 5810 +964 750 231 8463 General Guidelines • Artevia™ exposed will behave in exactly the same way as equivalent non-colored grade of concrete with regards to slump, placing and set time. As with all concrete, provision ...
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Iraqi Specifications No. (45), 1984 for Aggregates of Natural …
Iraqi Specifications No. (45), 1984 for Aggregates of Natural Resources used for Concrete and Construction. has been cited by the following article: ... Erbil, Iraq. 2 Civil Engineering Department, Faculty of Engineering, Koya University, Erbil, Iraq. 3 ... (960×960×50) mm were investigated with simply supported edges. Concrete cube strength ...
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Iraqi Geological Journal
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
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