possibility of sea water as mixing water in concrete

Possibility of Sea Water as Mixing Water in Concrete

Possibility of Sea Water as Mixing Water in Concrete 1274 As mixing water, tap water and sea water were used. The chemical components of sea water are shown in Table 1. River gravel was used for coarse aggregates, and the maximum size was 25 mm. Also, river sand was used as fine aggregate. The used steel bars were 9 mm diameter round bars

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POSSIBILITY OF SEA WATER AS MIXING WATER IN CONCRETE

and moderate cement notwithstanding the kind of mixing water. So, in tidal zone, there is a possibility use sea water as mixing water, considering the kind of cement. Table 1 Chemical compositions of sea water as mixing water Density (20 °C) pH (20 °C) Chemical compositions (mg/l) Na K

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Possibility of Sea Water as Mixing Water in Concrete ...

The authors believe that the possibilities of using sea water as mixing water in concrete should be investigated seriously. In this paper, the authors would like to show various possibilities of using sea water as mixing water in RC (reinforced concrete) members.

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(PDF) POSSIBILITY OF SEA WATER AS MIXING WATER IN

POSSIBILITY OF SEA WATER AS MIXING WATER IN CONCRETE POSSIBILITY OF SEA WATER AS MIXING WATER IN CONCRETE. Jack Jiang. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 31 Full PDFs related to this paper. READ PAPER.

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Possibility of Sea Water as Mixing Water in Concrete ...

The authors believe that the possibilities of using sea water as mixing water in concrete should be investigated seriously. In this paper, the authors would like to show various possibilities of using sea water as mixing water in RC (reinforced concrete) members.

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Some Considerations for Applicability of Seawater as ...

Jul 07, 2015  Some Considerations for Applicability of Seawater as Mixing Water in Concrete ... some results of long-term exposure tests indicated the high possibility of using seawater as a material of concrete. The experimental data obtained in this study indicated that the addition of BFS might contribute significantly to the corrosion resistance of steel ...

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Sea Water in Concrete Mix Concrete Construction Magazine

Corrosion of the steel causes expansion which disrupts the concrete. There appears to be no danger of corrosion of steel, however, if the concrete mixed with sea water is continuously immersed in sea water. There is also the possibility of sulfate attack and consequent deterioration by the use of sea water if the cement used has a high ...

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Porosity, Pore Size and Compressive Strength of Self ...

Jan 01, 2015  Possibility of Sea Water as Mixing Water in Concrete, ... Porosity and Microstructure Phase of Self Compacting Concrete Using Sea Water as Mixing Water and Curing, submitted on International Conference on Key Engineering Materials (ICKEM 2015) March 21-23, 2015, it will be published on Advanced Material Research, vol 1119.

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STUDY ON THE DURABILITY OF CONCRETE MIXED WITH SEA WATER ...

This paper investigates the influence of sea water when used to mix concrete on the long term durability of concrete under a marine environment. In addition, the effects of the type of cement and the cover thickness on the long term physical properties and durability of concrete are also studied. Many specimens were exposed for twenty years at the tidal zone of an experimental pool.

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Effect of Seawater as Mixing Water on the ... - CORE

And it is important for the world of concrete construction to seriously study the possibility of sea water as mixing water in making concrete (hereinafter called seawater concrete) which can minimize usage of fresh water and help the areas that have difficulty fresh water to accelerate development infrastructure by using concrete material.

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Evaluation of sustainable concrete produced with ...

Jun 01, 2017  Possibility of sea water as mixing water in concrete 36th Conf. on Our World in Concrete and Structures, August 14–16 , vol. 36 , CI-Premier Pte , Singapore ( 2011 ) , pp. 131 - 138 View Record in Scopus Google Scholar

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Concrete Exposed to Seawater – Effects and Preventions ...

So, Concrete structures effected by seawater requires special attention. Composition of Seawater The 71% of earth’s surface is covered by water bodies and in which nearly 96.5% is covered by seawater only. So, large number of concrete structures effected by concrete either with direct contact or indirectly by the winds carrying seawater sprays.

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The effects of seawater on the hydration, microstructure ...

Mar 04, 2019  The case study undertaken by Etxeberria et al. has shown that seawater can be successfully incorporated as a mixing water to produce concrete dyke blocks, while, Chen et al. have demonstrated the use of seawater in producing fibre-reinforced polymer-confined concrete, as an alternative solution to producing steel-free structures, without the ...

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Mixing Water for Concrete - Portland Cement Association

The ACI 318 building code and CSA Standard A23.1 limit water soluble chloride ion content in reinforced concrete to the following percentages by mass of cement: prestressed concrete---0.06%, reinforced concrete exposed to chloride in service---0.15%, reinforced concrete that will be dry or protected from moisture in service---1.00%, other ...

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[PDF] Feasibility of Sea-Sand Sea-Water Concrete ...

This paper highlights the study of using sea-sand and sea-water in concrete construction in replacement of fresh water and river sand. Presence of chloride and sulphate in sea sand and sea water was compromised by using a combination of fly ash, blast furnace slag cement and chemical admixture, which in turn helps to increase the strength, workability and durability of concrete.

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Title Slide - PCA

Seawater containing up to 35,000 parts per million of dissolved salts is generally suitable as mixing water for concrete not containing reinforcing steel. Types II or MS, should be used along with a low water-cement ratio. Seawater should not be used as mix water for concrete with potentially alkali-silica reactive aggregates.

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ISO 12439:2010(en), Mixing water for concrete

3.6 Sea water or brackish water. 3.7 Sewage water. 4 Requirements. 4.1 General. ... The quality of the mixing water for production of concrete can influence the setting time, the strength development of concrete and the protection of the reinforcement against corrosion. ... Attention is drawn to the possibility that some of the elements of this ...

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Effects of Seawater on Setting Time and Compressive ...

Water is one of the main constituents of concrete. Although many types of water exist, fresh water is the mostly used in concrete industry. Fresh water is expected to be in a great shortage by 2050 according to UN world water development report. Incorporating seawater in concrete mixture can help in the expected problem of scarcity of fresh water.

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Some Considerations for Applicability of Seawater as ...

Jul 07, 2015  Some Considerations for Applicability of Seawater as Mixing Water in Concrete ... some results of long-term exposure tests indicated the high possibility of using seawater as a material of concrete. The experimental data obtained in this study indicated that the addition of BFS might contribute significantly to the corrosion resistance of steel ...

get price

Effects of Seawater on Setting Time and Compressive ...

Water is one of the main constituents of concrete. Although many types of water exist, fresh water is the mostly used in concrete industry. Fresh water is expected to be in a great shortage by 2050 according to UN world water development report. Incorporating seawater in concrete mixture can help in the expected problem of scarcity of fresh water.

get price

ISO 12439:2010(en), Mixing water for concrete

3.6 Sea water or brackish water. 3.7 Sewage water. 4 Requirements. 4.1 General. ... The quality of the mixing water for production of concrete can influence the setting time, the strength development of concrete and the protection of the reinforcement against corrosion. ... Attention is drawn to the possibility that some of the elements of this ...

get price

Effect of Seawater as Mixing Water on the ... - CORE

And it is important for the world of concrete construction to seriously study the possibility of sea water as mixing water in making concrete (hereinafter called seawater concrete) which can minimize usage of fresh water and help the areas that have difficulty fresh water to accelerate development infrastructure by using concrete material.

get price

[PDF] Feasibility of Sea-Sand Sea-Water Concrete ...

This paper highlights the study of using sea-sand and sea-water in concrete construction in replacement of fresh water and river sand. Presence of chloride and sulphate in sea sand and sea water was compromised by using a combination of fly ash, blast furnace slag cement and chemical admixture, which in turn helps to increase the strength, workability and durability of concrete.

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Salt Water Concrete—A Reality Monolithic Dome Institute

Feb 24, 2014  It is common knowledge that using salt water, sea water or salty sand is not a possibility when building concrete structures. The problem with using anything salty doesn’t lie with the concrete; the problem is with steel reinforcing. The minute steel reinforcing comes in contact with salt water, it

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Title Slide - PCA

Seawater containing up to 35,000 parts per million of dissolved salts is generally suitable as mixing water for concrete not containing reinforcing steel. Types II or MS, should be used along with a low water-cement ratio. Seawater should not be used as mix water for concrete with potentially alkali-silica reactive aggregates.

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Influence of seawater on alkali-activated slag concrete ...

May 12, 2021  Katano K, Nobufumi T, Ishizeki Y, Iriya K (2013) Properties and application of concrete made with sea water and un-washed sea sand. In: 3rd Int Conf Sustain Constr Mater Tech, Kyoto, Japan. 7. Otsuki N, Furuya D, Saito T, Tadokoro Y (2011) Possibility of sea water as mixing water in concrete. 36th Conf World Conc Struct 36:131–138

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Flowability of self-compacting concrete containing marine ...

The evaluation result on the mix design and flowability (slump flow, segregation) were discussed. The test results show that SCC made from sea water, marine sand and steel fibers was non-segregating concrete with a highly flowable type of concrete that spreads into the form without the need for mechanical vibration.

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Use of Water Reducers, Retarders, and Superplasticizer

Use of Water Reducers, Retarders, and Superplasticizers. Introduction. Many important characteristics of concrete are influenced by the ratio (by weight) of water to cementitious materials (w/cm) used in the mixture. By reducing the amount of water, the cement paste will have higher density, which results in higher paste quality.

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Evaluation of Potential Environmental Impacts of the ...

One possibility involves pumping water to the Gulf of California by one of two different water conveyance routes: (1) exporting water from the Sea to the east side of the Gulf through a 140-mile long pipeline that would terminate near El Golfo de Santa Clara and outside the core of the Biosphere Reserve; and (2) exporting water from the Sea to the

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THE STUDY ON THE DURABILITY OF SUBMERGE STRUCTURE ...

2) The mixing water must not exceed 5.5 gallons per bag of cement. (Mixing water includes the water entering the batch in the form of free, surface moisture on the sand and/or gravel; this free water must, therefore, be deducted from the total water to be added.) If

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Japan Concrete Institute HomePage

Chapter 3 Evaluation of the material properties of concrete using sea water as mixing and/or curing water using results from the literature survey and experimental works carried out 3.1 Introduction 3.2 Effects of seawater on the hydration reaction mechanism of cement 3.3 Physical properties of concrete mixed with seawater (Ordinary Portland ...

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Resistance of concrete based on treated mud to sea water ...

The results obtained confirmed the possibility of developing concretes incorporating the calcinated sludge at dosages of up to 30% without compromising the quality of these concretes in terms of behavior against seawater aggressions meeting the economic, ecological and technological objectives. ... water/cement ratio and cement content on sea ...

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