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Production of Structural Light-Weight Aggregate …

materials in Iraq and those compared to natural aggregate concrete. In this investigation, the natural porcelanite rocks available in western desert of Iraq used as a coarse aggregate in the first mix. The second mix involving the pumice stone which is obtainable in northern Iraq used as a coarse aggregate.

Use of waste plastic in concrete mixture as aggregate ...

Industrial activities in Iraq are associated with significant amounts of non-biodegradable solid waste, waste plastic being among the most prominent. This study involved 86 experiments and 254 tests to determine the efficiency of reusing waste plastic in …

Environmental Friendly Concrete Using Waste Compact …

Type I Portland cement was used in all types of concrete mixtures. The chemical and physical properties of the cement are presented in Tables 1 and 2, respectively. The chemical analysis of cement was carried out according to ASTM C114. The fine aggregate was natural sand of 4.75 mm maximum size supplied from the Al-Ukaider area in Iraq.

A Review in Sustainable Plastic Waste in Concrete ...

Experimental Study on Use of Waste Plastic as Coarse Aggregate in Concrete with Admixture Superplasticizer Polycarboxylate Ether, International Research Journal of Engineering and Technology (IRJET), 5(03), 558-563. • Raghatate A tul, M., 2012. Use of plastic in a concrete to improve its properties.

MECHANICAL PROPERTIES OF RECYCLED AGGREGATE …

recommended to be used for recycled aggregate concrete with percentage exceedin g 25%. Keywords: concrete, experimental study, mechanical properties, recycled aggreg ates. 1. INTRODUCTION In Iraq, it has been recognized that destroyed building and construction waste volumes are large and increasing every year.

Falcon Group

Fine and coarse aggregate (sand and gravel). We use for reinforcement concrete (usually for beams, columns and floor slab) mix a coarse aggregate of max 19-20 mm . Water. Drinking water, is usually suitable as production water. Cement. …

(PDF) Producing Lightweight Concrete Aggregate from …

Producing Lightweight Concrete Aggregate from Iraqi Attapulgite. November 2014. Conference: Sustainable Solutions in Structural Engineering and Construction, 2nd. Australasia & South East Asia ...

Iraqi Academic Scientific Journals - IASJ

Abstract. At the recent years in Iraq, building demolition increase because of wars and the processes of destruction that lead to increase concrete waste, causing extreme pressure on the available land-filled sites that's becomes a new challenge to local environment, in addition to south region from country poor from aggregate source.So this study make as first evaluation to …

Research on River Sand Substitutes for Concrete …

the fines content in fine aggregate for concrete in the draft CS3 could be revised as follows: – Maximum fines content in fine aggregate for use in ordinary concrete: to be reduced from the current value of 16% stipulated in the BS 882 to a lower value of, say, 14%. – Maximum fines content in fine aggregate for use in marine concrete

IRU&RQFUHWH

Governorate/Iraq Ahmed Awad Talb Ali Altalb-Measure the efficiency of the reference in ... clean with low porosity aggregate to ensure high-quality concrete mix [2,3]. Concrete additives ... taken from the study area are suitable for use in structural concrete works, as shown in Table 4. Table 4. Results of stability test to ASTM, C88-05 [11]. ...

EXPERIMENTAL STUDY ON CONCRETE USING SEA SAND …

This study is to experiment the suitability to use beach/sea sand as a substitute for river sand as fine aggregate for concrete. Keywords: Concrete, Sea sand and Fine aggregate. 1. INTRODUCTION . Sand is a unique raw material for the construction industry at present, but contractors say that they have to

Modified Concrete by Using a Waste Material as a Coarse ...

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 and steel industry. It was physically treated and fully inspected and incorporated in concrete as coarse aggregate.

Use of waste plastic in concrete mixture as aggregate ...

Industrial activities in Iraq are associated with significant amounts of non-biodegradable solid waste, waste plastic being among the most prominent. This study involved 86 experiments and 254 tests to determine the efficiency of reusing waste plastic in the production of concrete.

Fibre | Lafarge - Cement, concrete and aggregates

Minimum Standards for Ultra ™ Fibre Concrete: Grade of Concrete: Greater than 15Mpa. Cement Type: Any combination. Aggregate Size: Available with all standard aggregate sizes. Consistence: S2 and greater (for lower workability please seek guidance from Lafarge's technical team) Fibres: 3mm, 6mm, 12mm, 19mm. Drastically reduces the potential ...

Iraqi Academic Scientific Journals - IASJ

The current study includes testing many properties of concrete mix with local waste concrete as coarse aggregate, after removing coarse gravel, which means using mortar of this waste concrete after crushing, grading and washing.Results show that this recycled aggregate has lower specific gravity and absorption compared with natural aggregate ...

Iraqi Academic Scientific Journals - IASJ

The use of recycled aggregates in new concrete manufacturing, however, leads to a decrease in concrete's strength characteristics. This reduction rises with the rise in the percentage of recycled aggregates used in concrete, which has caused many researchers to undertake many researches on how to enhance the characteristics of recycled ...

The combined effect of using recycled coarse aggregate …

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 2017. Many water types which are unacceptable for drinking, such as the well water available in Mosul, may be used in concrete, avoiding the need to use precious potable water. In this study, the effects …

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

QUALITY CONTROL MANUAL FOR CONCRETE STRUCTURE

With high performance concrete, it is desirable that the specifications be performance-based. Class P(HPC) is intended for use in prestressed concrete members with a specified concrete compressive strength more than 6.0 ksi (approx. 41.4 MPa) and should be always used for specified concrete strength more than 10.0 ksi (68.9 MPa).

Effect of Recycled Aggregate on Interlocking Concrete ...

Areas in Iraq Suad Abdul-Aziz Sultan1, Ban Sahib Abduljalel2, Fadi Qais Abbas3 1) Highway and Transportation Engineering Department, Al-Mustansiriayah University, Baghdad, Iraq. ... 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 ...

Use of waste plastic in concrete mixture as aggregate ...

Fine aggregate: The fine aggregate was natural sand of 4.75 mm maximum size obtained from the Al-Ukaider area in Iraq. The properties of the fine aggregate was determined and fulfilled according to I.Q.S. No. 45/1984, I.Q.S. No. 30/1984 and I.Q.S. No. 31/1981. Table 3 presents the properties of the sand, and its gradation is presented in Table 4.

Effect of Using Crushed Limestone in Concrete Mixes as ...

For each type three mixes were carried out: The use of crushed limestone as fine aggregate in concrete Rich mix with 1 cement: (1 fine agg.): 2( Coarse agg-) by effect properties of both fresh and hardened concrete, such as