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(PDF) Producing Lightweight Concrete

14-03-2021  1.1 Lightweight Aggregate Lightweight aggregate (LWA) is a type of aggregate used in the production of lightweight concrete products such as concrete block, structural concrete, and pavement,...

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Aggregate Use In Concrete In Iraq - Hansestadt

Aggregate Use In Concrete In Iraq using of porcelinite as coarse aggregate in concrete استخدام. in this research the ability of using porcelinite as coarse aggregate to produce light. light weight aggregate concrete in. iraq. for a long time.

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Effect of Recycled Aggregate on Interlocking Concrete ...

Areas in Iraq Suad Abdul-Aziz ... use as aggregate materials in concrete mixes, the best concrete mix that is prepared with 20% of cement kiln dust (CKD) as an addition to cement

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Effect of Recycled Aggregate on Interlocking

Effect of Recycled Aggregate on Interlocking Concrete Blocks for Paving Aircraft Parking Areas in Iraq. Saud A. Sultan. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. READ PAPER.

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Iraqi Academic Scientific Journals - IASJ

Four types of local made cement with one type of imported cement were used in concrete mixes. High strength concrete were produced using cement, crushed aggregate, fine aggregate and Superplasticizer. A comparison is made of mechanical properties of high strength concrete made with different types of cements.

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Effect of Recycled Aggregate on Interlocking

Suad Abdul-Aziz Sultan, Ban Sahib Abduljalel, Fadi Qais Abbas "Effect of Recycled Aggregate on Interlocking Concrete Blocks for Paving Aircraft Parking Areas in Iraq", International Journal of Engineering Trends and Technology (IJETT), V54(2),82-94 December 2017. ISSN:2231-5381. ijettjournal.org. published by seventh sense research group. Abstract

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Iraqi Academic Scientific Journals - IASJ

This study is amid to evaluate the use of Iraqi cement in high strength concrete (HSC) by production methods and investigation the mechanical properties such as compressive strength and splitting tensile strength. Four types of local made cement with one type of imported cement were used in concrete

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The Unstoppable Rise of MEKA in Iraq -MEKA

Iraqi government owned companies in the capital city, Baghdad like Al-Rasheed and Al-Mutasem also installed Meka plants for their projects due to their proven reliability. Meka is writing a history by giving the best to the concrete sector of its time.

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The influence of recycled concrete aggregate on the ...

Aggregate Concrete (RAC) may be normally lesser than the ordinary concrete, but in spite of that, it gives satisfactory result for some practical usages related to Civil Engineering.

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Replacement of fine aggregate with plastic in concrete

used as the replacement of fine aggregate in the concrete. Concrete cubes were cast taking 10%, 20%, 30 %, 40% 50% of plastic as partial replacement of fine aggregate and tested for 7 28 days of compressive strength of concrete.

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Production of Structural Light-Weight Aggregate Concrete ...

Aggregate Concrete Using Different Types of Iraqi Local Crushed Materials as Coarse Aggregate Fatimah Hameed Naser Al-Mamoori College of Water Resources Engineering, Hydraulic Structures Department, ... In Iraq, little has been done on the use of LWC in structural members.

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Effect of Recycled Aggregate on Interlocking

Effect of Recycled Aggregate on Interlocking Concrete Blocks for Paving Aircraft Parking Areas in Iraq. Saud A. Sultan. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. READ PAPER.

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Effect of Recycled Aggregate on Interlocking

Suad Abdul-Aziz Sultan, Ban Sahib Abduljalel, Fadi Qais Abbas "Effect of Recycled Aggregate on Interlocking Concrete Blocks for Paving Aircraft Parking Areas in Iraq", International Journal of Engineering Trends and Technology (IJETT), V54(2),82-94 December 2017. ISSN:2231-5381. ijettjournal.org. published by seventh sense research group. Abstract

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Research Paper THE INFLUENCE OF SIZE OF LIGHTWEIGHT ...

Aggregate Concrete (LWAC) are usually produced by replacing a whole or a part of natural normal weight aggregate by artificial ... Fine Aggregate % Iraqi specification No. 45/1984 for Zone(3) 1 4.75 mm 93 90-100 2 2.36 mm 85 75-100 3 1.18 mm 75 55-90 4 600 μm 58 35-59 5 300 μm 29 8-30

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Some Properties of Sustainable Concrete with Plastic Waste ...

Keywords: Sustainable concrete, Mechanical properties, PET plastic waste aggregate. I. INTRODUCTION Conventional concrete typically contains about 12% cement and 80% aggregate by mass [1]. The use of cement is a main contributor to high

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Environmental Friendly Concrete Using Waste Compact Discs ...

Environmental Friendly Concrete Using Waste Compact Discs as Fine Aggregate Replacement . Zainab Z. Ismail1, and Ali J. Jaeel2. 1Department of Environmental Engineering, University of Baghdad, Baghdad, Iraq . Email: , 2Department of Civil Engineering, Wasit University, Wasit, Iraq . Email: . ABSTRUCT

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Replacement of fine aggregate with plastic in concrete

Concrete and accordingly, anything that is formed in a soft state and industry is considered as the most feasible application. Recycled plastic can be used as coarse aggregate in concrete. Choi et al. studied the use of plastic waste PET bottles as aggregates on some properties of concrete. Their

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Types Of Aggregates Used In Construction

Generally, aggregate in concrete occupies around 70-80 percent of the volume of concrete, their impact on various characteristics and properties of concrete is, undoubtedly considerable. Before studying properties of concrete one should know about the aggregates which constitute major volume in concrete.

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Aggregates for Use In Concrete

Concrete subject to abrasion 3.0* All other concrete 5.0* Coal and lignite: Where surface appearance of concrete is of importance 0.5 All other concrete 1.0 Source: Table 1 Limits for Deleterious Substances in Fine Aggregate for Concrete, ASTM C 33.

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Recycling of waste Limestone as a partial replacement

01-02-2009  Shayan and Xu (2006) recommended using Limestone powder and Limestone aggregate together in 40-MPa concrete mixtures without any adverse reaction. Metwally (2007) also reported that the use of finely milled waste Limestone in concrete mixes had a bad effect on workability, but considerably improved the mechanical properties of concrete at later ages.

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Use Of Crushed Bricks As Coarse Aggregate In

The investigation reported in this paper is carried out to study the feasibility of using crushed bricks to substitute the coarse aggregate (gravel) in concrete. Two types of concrete mixing are prepared. The first one is a mixture of 1:2:4 without crushed bricks and is used as a reference mixture .The second one is made of different weight of crushed bricks (as a percentage from the weight of ...

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Use of waste plastic in concrete mixture as

01-11-2008  Coarse aggregate: Natural crushed stone aggregate of maximum size 20 mm and bulk density of 1545 kg/m 3 was supplied from the Al-Nibaey region in Iraq. Waste plastic: Waste plastic represents the discarded waste from plastic containers that were collected from plastic manufacturing plants located in the Bob Al-Shaam area.

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USE OF BRICK WASTE IN CONCRETE: A PRESPECTIVE

aggregate in concrete blocks, by which this waste is indirectly used again in construction purposes for construction of buildings or for construction of roads and bridges and from their the topic of our project arises which is variation in strength of concrete cubes with the addition of brick bats in them.

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Why Aggregates have an Important Role in

An aggregate is the important material for concrete and also for the construction industry. Concrete is widely used for constructing a house. The significant reality is that some of 70-80% of the amount of concrete volume is taken by the aggregates itself.

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ICE Themes Recycled Aggregates: Use in

ICE Themes Recycled Aggregates: Use in Concrete provides an overview of the full spectrum of research undertaken on the use of recycled aggregate as a replacement for commonly used natural aggregate in a wide range of concrete applications. Featuring selected case studies, and explanations of the standards and specifications, this volume makes an ...

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Using Shredded Tires as an Aggregate in Concrete

12-09-2012  Using shredded tires as an aggregate in concrete 475 The binder, sand and aggregates were first premixed dry for 1 min. to ensure homogeneity. Wet mixing was carried out

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Swiss Hammer in Iraq - Concrete Engineering

28-02-2005  I hope someone out there can help me. I'm working as QA for the Corps of Engineers in Iraq at a site where a conPulverizer is building concrete structures. Many of the compressive tests (they use cubes, not cylinders) failed in the lab and the conPulverizer now wants to use a Swiss hammer test to prove the concrete is acceptable.

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(PDF) SEA SAND AS FINE AGGREGATE FOR

JISA 5002 This means that, in addition to 1.5 billion tonnes of cement, The chloride limit is 0.01% by weight of aggregate. the concrete industry is consuming annually 9 billion tonnes IS 456: 2000 of sand and rock together with one billion tonne of mixing Maximum Total Acid Soluble Chloride Content water.

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Aggregate in Concrete - The Concrete Network

Important Aggregate Dos and Don'ts. DO use aggregate that's in compliance with ASTM C 33, "Standard Specifications for Concrete Aggregates." Aggregates must be sound, clean, hard, durable, and free of excessive fines or contaminates that can affect cement hydration or disrupt the paste-aggregate bond.

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Aggregates - Portland Cement Association

Crushed aggregate is produced by crushing quarry rock, boulders, cobbles, or large-size gravel. Recycled concrete is a viable source of aggregate and has been satisfactorily used in granular subbases, soil-cement, and in new concrete. After harvesting, aggregate is processed: crushed, screened, and washed to obtain proper cleanliness and gradation.

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Investigation on Fresh Properties of Concrete Made with ...

concrete and governmental initiatives towards recycling of construction and demolished (CD) waste. Along with a brief overview of the engineering properties of recycled aggregates, the paper also gives a summary of the effect of use of recycled aggregate on the properties of fresh and hardened concrete.

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Evaluation the Using of Local Aggregate in High Modulus ...

Evaluation the Using of Local Aggregate in High Modulus Asphalt Concrete Layers Sahar Fayek Najm Professor Dr. Nahla Y. Ahmed Department of Civil Engineering, Babylon University, P.O Box: 4 Iraq - Babylon – Hilla Abstract The performance of Hot Mix Asphalt (HMA) mixtures is greatly affected by the properties of the aggregate

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Use Of Crushed Bricks As Coarse Aggregate In

The investigation reported in this paper is carried out to study the feasibility of using crushed bricks to substitute the coarse aggregate (gravel) in concrete. Two types of concrete mixing are prepared. The first one is a mixture of 1:2:4 without crushed bricks and is used as a reference mixture .The second one is made of different weight of crushed bricks (as a percentage from the weight of ...

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SOME PROPERTIES OF ECO-FRIENDLY SELF

[Khalil, 4(9): September 2017] ISSN 2348 – 8034 DOI- 10.5281/zenodo.928991 Impact Factor- 4.022 GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES SOME PROPERTIES OF ECO-FRIENDLY SELF-COMPACTED CONCRETE WITH PLASTIC WASTE AGGREGATE Wasan I. Khalil* and Thaer A. Al-Daebal * * University of Technology / Building and Construction Engineering Department Baghdad, Iraq

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Influence of Recycled Construction Materials Aggregate on ...

Ghazi [10] investigated the use of crushed clay brick aggregate concrete. Mechanical properties such as compressive strength and splitting tensile strength as well as physical tests such as UPV test were done. The test results of crushed clay aggregate concrete are compared with natural aggregate concrete and the results of compressive strength ...

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Why Aggregates have an Important Role in

An aggregate is the important material for concrete and also for the construction industry. Concrete is widely used for constructing a house. The significant reality is that some of 70-80% of the amount of concrete volume is taken by the aggregates itself.

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Assessment of the Effect of Replacing Normal

In this research, an attempt has been made to study the effect of replacing all normal-weight aggregate “NWA” by lightweight aggregate “LWA” (having a volume equal to 60% of the volume of normal-weight aggregate) on the behaviour of layered steel fibrous self-compacting reinforced concrete slabs with various volume fractions of steel fiber under uniform area load using fine sand technique.

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Utilization Of Waste Ceramic Tiles As Coarse Aggregate In ...

used as coarse aggregate in concrete fabrication. Specific density of aggregate was 2630 to 2310 kg/m3 for 0 to 100% replacement. Up to the replacement of 20%, Compression resistance and modulus of elasticity was equivalent with conventional concrete. construction industry, it is

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Why Do We Use Aggregates In Concrete?

Being the manufactured, recycled or natural filler in concrete, aggregate play a more critical role than what is commonly assumed by many. The term is used for any particulate material that includes sand, slag, gravel, crushed stone, geosynthetic aggregates and recycled concrete. It accounts for approximately 60 to 80 per cent of concrete’s volume ...

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Aggregates - Portland Cement Association

Crushed aggregate is produced by crushing quarry rock, boulders, cobbles, or large-size gravel. Recycled concrete is a viable source of aggregate and has been satisfactorily used in granular subbases, soil-cement, and in new concrete. After harvesting, aggregate is processed: crushed, screened, and washed to obtain proper cleanliness and gradation.

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