CALL US

+86 17838360708

what quality of water should be used in making concrete

what quality of water should be used in making concrete

What quality of water should be used in making concrete ...

May 28, 2020  Strength. Some specification also accept water for making concrete if the pH value of water lies between 6 and 8.Also the water is free from organic matter. Instead of depending upon pH value and other chemical composition; the best course to find out whether a particular source of water is suitable for concrete making or not; is to make concrete with this water and compare its 7 days’ and ...

get price

Quality of Water for Making Concrete: A Review of Literature

wash water should be below the maximum concentration criteria provided in standard. EN 1008[10]recommended the requirements for water, suitable for making concrete conforming to EN 206-1 and describes methods for assessing its suitability. Thisstandard considers, the use of potable water, water recovered from processes in the concrete

get price

Quality of Water for Concrete - CivilWeb Spreadsheets

Quality of Recycled Water Used in Concrete. Water recycled from the processing of returned concrete, wash water and rain water harvested at the concrete plant can be used as mixing water so long as it meets the requirements of BS EN 1008. One method of reclaiming water and aggregates from returned concrete is shown in the below diagram.

get price

Quality of Water used for Concrete Mixes-Concrete Technology

Aug 28, 2017  What are the mineral admixtures used for making concrete? Tips and method of compaction of concrete that every engineer should know. Use of Sea Water for Mixing Concrete Mixes. Seawater contains a small quantity of sodium and potassium salt.The salinity of seawater is 3.5 percent.These salt can be reacted with reactive aggregate and alkali cement.

get price

Quality of Water for Making Concrete: A Review of Literature

wash water should be below the maximum concentration criteria provided in standard. EN 1008[10]recommended the requirements for water, suitable for making concrete conforming to EN 206-1 and describes methods for assessing its suitability. Thisstandard considers, the use of potable water, water recovered from processes in the concrete

get price

Quality of Water for Concrete Construction and its ...

If the quality of water to be used for mixing is in doubt, cubes of 75 mm in cement mortar 1:3 mix with distilled water and with the water in question shall be made separately. The latter type of cubes should attain 90% of the 7 days’ strength obtained in cubes with same quantity of distilled water.

get price

Quality of mixing water in cement concrete “a review ...

Jan 01, 2018  The research literature on the use of wastewater in concrete reveals that much work needs to be done on water use in concrete and there is a need to review the existing standards on water quality in light of the emergence of various types of cementitious materials and water reducing admixtures [3]. 1316 G.Reddy Babu et al / Materials Today ...

get price

Water: An Ingredient for Production of Concrete Concrete ...

2. Water for washing aggregates. 3. Water for curing concrete. 1. Quality of Water for Preparing Concrete (Mixing Water): The common criteria or yard stick to the suitability of water for preparing concrete is that water fit for human consumption (drinking) is fit for concrete making also.

get price

CAN SEA WATER BE USED FOR MAKING CONCRETE? -

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.

get price

Water in concrete mixture Role of water in concrete ...

Water blended with algae should not be used as such water may lead to entrainments which sequentially can reduce the concrete strength. It is observed that sea water minimizes the long-lasting strength of the cement, though it is calculated to be just 15%. Water containing If, huge amount of chlorides are included in water, it results in ...

get price

Water in concrete - SlideShare

Aug 19, 2011  5. 2. Requirements of water used in concreteRole of Water in Cement Concrete5Water used for mixing and curing shall be clean and free from injurious amounts of Oils, Acids, Alkalis, Salts, Sugar, Organic materialsPotable water is generally considered satisfactory for mixing concreteMixing and curing with sea water ...

get price

Quality and Durability of Concrete

Use of chemical and mineral admixtures along with good quality cement can produce concrete of any desired grade and if properly constructed, the service life of concrete structures can be enhanced. the mixing procedure and mixing time have considerable influence on the quality of concrete in terms of its cohesiveness and workability.

get price

Concrete Mixing Ratios - How To Make Concrete (Cement ...

The mix ratio of 1:2:3 consists of 1 Part cement, 2 Parts sand, and 3 Parts stone (plus some water) to make a concrete mix you can use for most any building project. The way you measure the ratio could be in shovels, buckets, or wheel barrows. As long as you're consistent you'll get a good strong mix.

get price

How to Check Quality in Concrete Construction - The ...

Concrete should be protected from hot and cold weather at early ages. Concreting should not be done at temperature below 4.5 0 C and above 40 0 In very hot weather water and aggregates should be cooled. Retarders of approved quality can be used. In very cold weather water and aggregates should be heated. Accelerators of approved quality can ...

get price

Effect of Water Impurities on Concrete Strength ...

Water Impurities and their Effect on Concrete Properties The effect of various properties on the concrete properties are explained below: Effect of Suspended Particles in Water on Concrete Properties If the mixing water contains suspended particles in an amount up to 0.02 percent by weight of total water used in concrete, it will not affect the concrete properties.

get price

7 International Standards for Concrete That You Should ...

Mar 28, 2018  Here are the seven international standards for concrete that you should learn and use. 1. BS EN 206:2013+A1: 2016: Concrete – Specification, performance, production and conformity. This standard covers technical rules pertaining concrete’s specification, performance, production, and conformity. This standard should be used by contractors ...

get price

Curing Concrete, Chapter 12 - Memphis

Curing Concrete Fig. 12-1. Curing should begin as soon as the concrete stiffens enough to prevent marring or erosion of the sur-face. Burlap sprayed with water is an effective method for moist curing. (69973) 60 50 40 30 20 10 0 0 7 28 90 365 8 6 4 2 0 Age at test, days Moist-cured entire time In air after 28 days moist curing In air after 7 ...

get price

Importance of Water-Cement Ratio in Concrete

Nov 14, 2018  Water-Cement Ratio is defined as the ratio of the weight of water to the weight of cement. Water/cement ratio as per IS 10262 (2009) for the concrete mix varies from 0.4 to 0.6. 0.7 w/c ratio is also used for pumped concrete. 0.5 w/c ratio indicates, that for every 100 kg of cement, 50 lit. of water

get price

Concrete Industry Water Use Studied Fluence

Mar 02, 2018  Because the industry is so reliant on water, water recycling is common, with water often reused in production and for domestic use within the plant. One strategy to make concrete production more sustainable is the use of carbon dioxide instead of water to cure concrete. Its production process recycles 60 to 80% of the water used.

get price

What should be the TDS of water for concrete? - Quora

Upto 3000–4000 is acceptable. But no specification in CODE. Here are details of dissolved and suspended solids Types of solids Limits Organic solids 200 mg/liter Inorganic solids 3000 mg/liter Sulphates 400 mg/liter Chlorides 500 mg/liter Suspende...

get price

Importance of Water-Cement Ratio in Concrete

Nov 14, 2018  Water-Cement Ratio is defined as the ratio of the weight of water to the weight of cement. Water/cement ratio as per IS 10262 (2009) for the concrete mix varies from 0.4 to 0.6. 0.7 w/c ratio is also used for pumped concrete. 0.5 w/c ratio indicates, that for every 100 kg of cement, 50 lit. of water

get price

Concrete Mixing Ratios - How To Make Concrete (Cement ...

The mix ratio of 1:2:3 consists of 1 Part cement, 2 Parts sand, and 3 Parts stone (plus some water) to make a concrete mix you can use for most any building project. The way you measure the ratio could be in shovels, buckets, or wheel barrows. As long as you're consistent you'll get a good strong mix.

get price

What happens when there’s too much water in your concrete ...

Feb 28, 2019  Why is water used in concrete? Many people think that water is used simply to bring concrete to a practical consistency, but it is actually the key ingredient, essential for making concrete strong. Water is mixed with cement to form a paste, which then binds together with aggregates.

get price

Mix Design Fundamentals: Considerations for concrete for ...

Jul 31, 2014  The less water used, the better the quality of the concrete—provided it can be consolidated properly. Concrete with a water to cement (w/c) ratio of 0.45 and below is stiff when it comes off the truck—otherwise, it may have been tampered with.

get price

Lab 1 – Concrete Proportioning, Mixing, and Testing

Students make concrete according to the mix design. Slump and Kelly Ball testing would be performed to investigate workability of mixture. Six cylinders would be cast for calculating compressive stress of concrete specimen. Concepts Concrete is a mixture of cement, sand, aggregate, water, and

get price

Top 16 Mistakes People Make When Installing Concrete ...

But because water can cause the ground to swell, which can also make the concrete shift and crack, it is wise to create a drainage channel around the concrete in order to help water flow around and away from the concrete. Only when the area is completely level and compact should the concrete

get price

Types of Concrete Mix for Any Project - The Home Depot

To know when your concrete is ready, use the back of a shovel to smooth the surface. Then make a groove in it with the side of the shovel. If the surface stays smooth and the sides of the groove hold their shape, your concrete is ready. If you can’t make a distinct groove, add more water. If the groove caves in, add more dry ingredients.

get price

Characteristics of Water - Physical, Chemical and ...

The number of times the sample is diluted represents the threshold odour number. For public supplies, the water should generally free from odour, i.e. the threshold number should be 1 and should never exceed 3. 4. Temperature of Water For potable water, temperature of about about . C is desirable.

get price

Chapter 3 - WORKABILITY To get a concrete with good ...

View Notes - Chapter 3.pdf from CE 218 at Majmaah University. WORKABILITY To get a concrete with good quality, adequate amount of water should be used to make the fresh concrete consistent, easy to

get price

Waterproofing Admixtures For Concrete Concrete ...

Aug 13, 2012  The materials used to produce PRAs vary, but they generally fall into three categories. The largest category consists of hydrophobic, or water-repellent, chemicals derived from soaps or fatty acids, vegetable oils, and petroleum. These materials form a water-repellent layer along pores in the concrete, but the pores themselves remain open.

get price

Methods for Mixing of Concrete Their Procedure Precautions!

Sep 17, 2019  When it comes to mixing concrete, following three mixing methods are used for the production of effective and good quality concrete. 01. Hand Mixing of Concrete (Mixing concrete manually without a mixer machine) 02. Machine Mixing of Concrete (Mixing concrete with a

get price

Water Based Concrete Sealer vs Solvent Based

That allows the texture of the concrete surface to still come through a bit, meaning better traction. However, any sealed concrete can be slippery when wet, and while water based sealer is less slippery than solvent based, you can also use the Clear grip or Top

get price