How To Control Concrete Waste At Site
How To Control Concrete Waste At Site: Some amount of concrete is always wasted during construction. Normally we consider 3- 5 % as wastage while estimating the materials quantity for…
What Is The Best Concrete Mix Design
What Is The Best Concrete Mix Design? The cost of concrete determines the characteristic strength, quality control, workability of mix (cost of labor) which includes the high degree of compactions.…
Ultra High Strength Concrete
Ultra High Strength Concrete: We are conversant with the use of concrete having compressive strength varying from 100 to 300 kg/cm2. With the introduction of prestressed concrete in the construction…
Types Of Joints In Concrete
What Are Concrete Joints? Except in small jobs, it is not possible to place concrete in one continuous operation. Joints in concrete are also required for functional consideration of the…
Flow Table Test To Measure The Flow Value Of Concrete
Flow Table Test: Objective: To measure the flow value of concrete using flow table test. Equipment: 1. Flow table 2. Mould shaped as slump cone. 3. Wooden tamping bar. Procedure…
Minimum Cover For Reinforcement in Cast-In-Place Concrete
Minimum Cover For Reinforcement in Cast-In-Place Concrete: The clear cover is the distance between the outer surface of concrete to the nearest surface of reinforcing bar. Clear cover varies in…
Distribution Of Stress Between Steel & Concrete
Stress Distribution Between Steel & Concrete: As per the basic assumption, plain RCC section before bending remains plain after bending. It is clear that in the flexural member at a…
10 + Thumb Rules For Concrete Mix Design
For adding 4 liters of water in 1 cu.m freshly mixed concrete 1. The slump value will be increased by 25 mm. 2. The compressive strength of concrete will be…
Polymer Concrete – Types, Advantages And Application
What Is Polymer Concrete? Polymer concrete is a new concrete produced with OPC concrete cured and impregnated with liquid or vaporous chemical compound (Methyl methacrylate monomer) and polymerized by gamma…
Grades Of Concrete
Grades Of Concrete: In IS: 456-1978, the different grades of concrete are given as M10, M25, M20, M25, M30, M35, and M40. In the classification of concrete mix, the letter…
Cube Strength Of Concrete
Cube Strength Of Concrete: The strength achieved by the concrete on 15 cm concrete cubes after curing of a temperature of 27± 2° C is known as cube strength of…
Workability Of Concrete
Workability Of Concrete: Workability can be defined as the property of fresh concrete which describes the ease and homogeneity of the concrete to be mixed, fully compacted and finished. A…
Common Concreting Problems And Their Prevention
Common Concrete Problems And Their Prevention: There are many problems we might be facing during and after concreting. To produce high quality concrete we must take some precautions to avoid…
Advantages Of Quality Control Of Concrete
Quality Control Of Concrete: Concrete is mainly prepared at the construction site using locally accessible materials of variable properties. Hence the concrete strength differs from one batch to another batch…
Compaction Factor Test
Compaction Factor Test: Theory: The compaction factor test is carried out to measure the degree of workability of fresh concrete with regard to the internal energy required for compacting the…
Waterproofing Of Concrete
Waterproofing Of Concrete: A concrete is said to be well designed when it is properly mixed, compacted, cured and set for making impermeable itself. The uses of waterproofing agents should…
8 Causes Of Cracks In Concrete You Should Know
Causes Of Cracks In Concrete Cracking is one of the most common problems in concrete and it should be avoided seriously. Different causes of cracks in concrete are described below.…
Methods Of Concrete Curing
What Is Curing Of Concrete? The process of protecting the moisture of concrete surface and enhancing the hydration of cement is known as curing. The physical properties of concrete totally…
Ferrocement – Advantages And Application Of Ferrocement
Ferrocement is a type of thin reinforced concrete in which the cement mortar is reinforced with small diameter steel wire meshes at close intervals. The mortar gives the mass and…
Water Cement Ratio In Concrete
What Is Water Cement Ratio? Water cement ratio can be defined as the ratio of the volume of water to the volume of cement used in a concrete mix. Water…
Mortar Vs Concrete: Difference Between Mortar And Concrete
Mortar Vs Concrete: Concrete and mortar are two different building materials used in construction works, but many of us get confused on the differences between mortar and concrete. In this…
Concrete Mix Design : Design Mix Concrete & Nominal Mix Concrete
Concrete Mix Design: Mix design is a method which determines the proportions of cement, water, fine aggregates and coarse aggregates to produce the concrete of required strength, workability and durability…
How To Produce Good Quality Concrete?
Requirements Of Good Quality Concrete: A good quality concrete needs to be strongest, thickest, workable and most economical when it is prepared. Following requirements should be considered to produce the…
Creep Of Concrete
Creep Of Concrete: Creep can be defined as the elastic and long-term deformation of concrete under a continuous load. Generally, a long term pressure changes the shape of concrete structure…