Concrete superplasticizer





http://www.applechemie.com


Concrete superplasticizers play a vital role in improving the quality and reducing the cost of construction. Superplasticizers are particularly suited to the manufacture high strength concrete for construction. Ready-mix concrete, precast concrete, shotcrete and high-performance concrete are the major applicants of superplasticizers.
They are chemical admixtures that have water-reduction capabilities that range from 5.0% to 40.0% in concrete mixes. They are usually classified according to the raw material used, such as naphthalene, melamine, lignosulfonates, and polycarboxylic acids.
With investment and support from regional governments for construction, the demand for superplasticizers is about to grow aggressively.

Advantageous as:-

·        Is reduce W/C ratio
·        Is increase compressive strength of concrete
·        It reduce Shrinkage Cracks
·        It prevents corrosion of reinforcement
·        It improves surface finish of concrete

Comments

Post a Comment

Popular posts from this blog

Concrete Curing Compound

Curing is essential for the hydration of cement in concrete making. So, to maintain required moisture content, come precautions are applied. Concrete curing compound is a compound which helps to prevent the loss of moisture content from the concrete. So, concrete is properly cured which results the full development of strength of concrete. Types of Concrete Curing Compounds ·          Synthetic Resin Concrete Curing Compound Synthetic resins will seal the concrete by forming membrane. If we want to provide plastering, the membrane can be removed by washing it with hot water. ·          Acrylic Concrete Curing Compound Acrylic is made of polymers of acrylic acid. It also seals the concrete in good manner. It is having property of adhesion to the subsequent plaster. No need to wash the surface of acrylic with hot water if we want to provide plastering. ·      ...
Read more

Materials are used for road construction

Image
Road consist of basically 4 layers: Sub-grade: The sub-grade material should be clean and free from organic matter and should be able to be compacted by roller, to form stable sub-base. The material should have the following characteristics: ·          Well graded, uniformity coefficient (D60/D10) should not be less than 3. ·          Fraction passing sieve #200 shall not be greater than 2/3rd of the fraction passing sieve #40. ·          Should have a L.L not greater than 25%. ·          P.I not greater than 6 ·          CBR should not be less than 25. ·          In coarse grain, aggregate retained by #10 sieve, %age of wear shall not be greater than 5%. ·          The maximum dia...
Read more

DESIGN PROCEDURES FOR A BUILDING FOUNDATION

Good design must not only be safe but must aim to save construction costs, time and materials. The following procedures should help to achieve this and an ‘educated’ client will recognize the importance of funding this work with a realistic fee. 1. DECIDE THE LOCATION OF COLUMNS & FOUNDATION AND TYPE OF LOADS ACTING ON THEM On the building plan, the position of columns and load bearing walls should be marked, and any other induced loading's and bending moments. The loads should be classified into dead, imposed and wind loading's, giving the appropriate partial safety factors for these loads. 2. ESTIMATE ALLOWABLE BEARING PRESSURE OF SOIL USING GROUND INVESTIGATION REPORT From a study of the site ground investigation (if available), the strength of the soil at various depths or strata below foundation level should be studied, to determine the safe bearing capacity at various levels. These values – or presumed bearing values (from any standards or codes) in the...
Read more