Mixing Concrete With Sea Water

Sea Water for Mixing Concrete The Construction Civil

Sea Water for Mixing Concrete. It is advisable, as stated above, to use clean water fit for drinking purposes for making cement concrete.However, at places where sea water is available in abundance and potable water is costly, the sea water can be used for making cement concrete. The problem of using sea water for mixing concrete

Sea Water in Concrete Mix| Concrete Construction Magazine

Apr 01, 1976· 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

Full article: Effect of seawater for mixing and curing on

Aug 08, 2016· The compressive strength decreased by 9–14% for concrete mixes mixed by fresh water and cured in seawater at different curing ages ( Table 4). In conclusion, mixing and curing concrete in seawater increases the early compressive strength, but the seawater has a negative effect on the compressive strength of concrete at ages over 28 days.

CAN SEA WATER BE USED FOR MAKING CONCRETE? CivilBlog.Org

Jun 28, 2014· It is advisable to use clean water fit for drinking purposes for making cement concrete. However, at places where sea water is available in abundance and potable water is costly, the sea water can be used for making cement concrete. The problem of using sea water for making cement concrete has to be studied from the following two aspects.

How to pour concrete in water YouTube

Jun 30, 2016· This video shows you how to pour concrete in water. You may like my other videos. Just type Lsailor1 in the YouTube search bar. Like them? Subscribe for the

What happens if sea water is mixed with cement? Quora

Dec 10, 2017· The following effects will take place due to use of sea water in cement : 1. CHLORIDE ATTACK: Corrosion in steel 2. SULPHATE ATTACK: Where the concrete Cracks 3. EFFLORESCENSE : Where White patches will occur 4. ALKALI-AGGREGATE REACTION: Where ag...

Why is sea water not used in mixing concrete? Quora

Aug 25, 2018· Whether mixing and curing of concrete is to be done using sea water or not has been an interesting topic of research and discussion over the years following the boom in marine construction. Generally, concrete of higher grades is used for massive

Seawater is the secret to long-lasting Roman concrete

Roman piers and other harbour structures built using an ancient cement mix have lasted for millennia. Ancient Romans built concrete sea walls that have withstood pounding ocean waves for more than

Concrete Mixing Ratios How To Make Concrete (Cement

The less water you use to mix the concrete (somewhat dry but workable) the stronger the concrete mix. Accurate concrete mixing ratios can be achieved by measuring the dry materials using buckets or some other kind of measuring device. By measuring the cement, stone, and sand, you will have a consistent concrete mix throughout your entire

Seawater is the secret to long-lasting Roman concrete

Roman piers and other harbour structures built using an ancient cement mix have lasted for millennia. Ancient Romans built concrete sea walls that have withstood pounding ocean waves for more than

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

The Effect of Mixing and Curing Sea Water on Concrete

In the research, the effects of sea water for mixing, curing on the gain in strength of different grades of concrete was investigated. A total of 192 concrete cubes were tested for their

POSSIBILITY OF SEA WATER AS MIXING WATER IN

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 Ca Mg Cl SO 4 CO 3 1.024 8.03 10125 387 376 1180 17136 2412 65 Table 2 Mix proportions of concrete Cement type Mixing water G.max (mm) Slump (cm) Air (%)

CIVILSTAGRAM: Use Of Sea Water For Mixing Concrete

Mar 02, 2016· Therefore sea water should not be used even for PCC if aggregates are known to be potentially alkali reactive. It is reported that the use of sea water for mixing concrete does not appreciably reduce the strength of concrete although it may lead to

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

Fresh and hardened properties of seawater-mixed concrete

Nov 30, 2018· Ready-mix concrete with a 28-day 60-MPa design compressive strength was used to cast the specimens. In accordance with BS EN 206,the mixture proportions for concrete per cubic meter were 756 kg of sand, 1144 kg of gravel, 158 kg of ordinary Portland cement, 292 kg of blast furnace slag, and 164 kg of water; with a water-to-cementitious material (w/cm) ratio of 0.34.

Suitability of sea water on curing and compressive

Mixing or curing of concrete with sea water is not recommended. Under unavoidable circumstances, it may be used for plain concrete or concrete structures which are permanently submerged. IS: 456-1978 SW (Mixing) Mixing water shall be potable and free from salts. Gives no

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