What Is Segregation? Segregation refers to separation of different concrete phases. It happens when concrete mix is not cohesive enough. Slump Test in Conventional concrete and Flow test in Self Compacting Concrete can...

Boeing announced that they've created world lightest metal in 2011 with scientists from HRL laboratories.  The new metal found is known as microlattice. It is claimed to be 100% lighter than styrofoam...

Diamond was known to be the hardest material found on planet earth but not any more. A group of scientists have discovered a new form of carbon which they say is...

Foam Concrete Foam concrete also known as light weight concrete, low density concrete is special type of concrete having low density varies from 400 kg/m3 to 1000 kg/m3. The density is usually...

Cracking in concrete Concrete is the world's most popular building material, durability of concrete structures however always remained a concern. Irrespective of how carefully it's mixed or reinforced, cracking is inevitable in all...
2nd class bricks classification

Bricks Classification is done in order to distinguish between bricks so that they can be used accordingly. Indian Standard is followed in this article to classify bricks. Special type of bricks...

Every substance in concrete having average particle size less than 125 microns in known as "powder". If we examine finely grounded powder when it comes in contact with water, we will see...

Durability Durability of concrete can be defined as its ability to resist weathering action, chemical attack, abrasion or other process of deterioration and hence retains its original shape, dimension, quality and serviceability. Deleterious...

Introduction Fiber reinforced polymer (FRP) composite systems, consist of fibers embedded in a polymeric matrix. They are used for Flexural and Shear strengthening of reinforced concrete (RC) members. Since the late 1980s,...

This video (at the end) explains the production of a prestressed concrete unit (Double T) on a prestressing concrete plant. Double T is a versatile prestressing unit which are mostly used in parking...

  Spalling Spalling is considered as one of the most complex and poorly understood phenomenon occurred at high temperatures. (Khoury 2000; Tenchev and Purnell 2005) Mostly it is assumed that this phenomenon occur...

Taiwan was hit by a strong 6.4 magnitude on Saturday 10th Feberuary 2016. It is estimated that this tragic accident caused almost 116 deaths according to Taiwan's Central News Agency reported. Weiguan...

Civil engineering has come a long way since its evolution. Starting from the simple structures to the skyscrapers today, the world has witnessed immense advancement in the engineering knowledge. It has...

Objective Slump test is used to measure the consistency of concrete mix. Indirectly it is used to check whether workability of concrete mix is up to desired level or not. Equipment Used Slump Cone Tamping Rod Spatula Brush Procedure Cone...

Introduction Concrete Strength testing is always a requirement in the field of concrete construction. Usually, when concrete batch arrives, two or three cylinders or cubes are cast so that quality control is...

Concrete Mix design is complete science and it is based on a lot of research. Popular Mix Design method is highlighted in ACI 2011 committee report. It is a systematic approach...

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Forces acting on frame tend to induce three types of internal forces i-e bending moment, axial force and shear force. which means that frame...