Mat Foundation A mat foundation, also known as a raft foundation, is a type of shallow combined foundation which uses a large reinforced concrete slab-on-grade that transfers the entire weight of the structure to the subgrade. It works by dispersing load over much larger area on the ground when compared to discrete shallow isolated foundations. … Read more
Hydrodemolition (or hydro demolition), commonly referred to as hydro blasting, is a demolition technique that uses a high or ultra-pressure water jet along with abrasives or other materials mainly for the removal of concrete that has been deteriorated or for concrete repair and strengthening. This technology, which was initially created in Europe in the 1980s, … Read more
River Bank Erosion Rivers are dynamic structures. They change their flow patterns continuously and naturally. These changes affect river bank soil stabilization because river bank absorbs the energy. River bank erosion is a part of this changing nature. When banks of a river wear away by watercourse, it is called river bank erosion. Mostly river … Read more
What is Shrinkage Compensating Concrete? Shrinkage compensating concrete is the most efficient and extensively used material in the recent years used to eradicate or minimize cracking which is caused due to drying shrinkage in RCC structures. Drying shrinkage is basically decrease in volume caused by moisture loss in the process of hardening of concrete, which … Read more
Concreting is one of the important process for any kind of construction. Contractors & builders pay huge money for concreting process comparing to other civil works. Before and while concreting site engineer or supervisor needs to monitor and certify the following aspects for proper execution of concreting work. 1. Shuttering Stability The shuttering and centering … Read more
Getting an interview call is half the job done, but what about the second half? Every time you prepare to attend an interview, first thing you ask yourself is what are the questions the interviewer going to ask. Especially, when you are a fresher, you have no clue what the questions are gonna be. So, … Read more
Soil Nailing Soil nailing is a ground improvement technique which is used to reinforce soil to make it more stable. Soil nailing is used for slopes, excavations, retaining walls etc. to make it more stable. The faces of steep slopes are usually protected by shotcrete and mesh for temporary works and by either cast-in-place concrete … Read more
Methods of Underwater Repair of Concrete Structures Underwater concrete structures are prone to damage due to many reasons. There are some methods which are specially adapted to repair these damages. Care should be taken to ensure that the damaged area is not contaminated before the application of the repair material. The material used for the … Read more
Movable Bridges & Types Movable bridges are the bridges which can change their position and sometimes even the shapes so as to allow the passage of vessels and boats in the waterway. This type of bridge has lower cost of building as there are no high piers and long approaches. Utilization of this bridge stops … Read more