Methods of Underwater Concrete Repair | Concrete Structures Rehabilitation Underwater

Repair of underwater structures

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

Types of structural supports | Boundary Conditions

Hinge support in sydney harbor bridge

Types of supports Defining the boundary conditions in aamodel is one of the most important part of preparing an analysis model, irrespective of the software that you use. Supports are an essential part of building your model to ensure accurate and expected results. These are not to be ignored nor guessed as it can lead … Read more

Characteristics of Good Building Stone | Construction Aggregate Properties

Building stones used in construction

Characteristics of Good Building Stones Every building stone which is used for construction, cannot satisfy all the ideal requirements. For example, when the stone satisfies the requirement of strength and durability, it may not do the same with other necessities such as ease of dressing. Hence it is the job of the site engineer to … Read more

Reinforcements in a Reinforced Concrete Beam | Shear Links | Reinforcement

Reinforcements in a Reinforced Concrete Beam In RCC beams, elements are designed to resist the loads that cause bending moment, shear forces and sometimes in some cases, it also causes torsion along their length. It’s a known fact that concrete is strong in compression and very weak in tension. The steel reinforcement present in the … Read more

Movable bridges | Special Types of Movable Bridges | Photos

Pontoon retractile

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

Orifices | Classification of Orifices | Hydraulic Co-efficient

Orifice ( Wikimedia Commons)

Definition of Orifices Orifice is defined as the small opening on side or bottom of a tank through which any kind of fluid is flowing. The opening can be of circular, triangular or rectangular in cross section and they are named on the basis of shape accordingly. Orifices are mainly used for measuring the rate … Read more

Strengthening of Reinforced Concrete Beam (RC Beam) | Methods

Strenthening techniques implemented on an existing building

Strengthening of RCC beams The need for strengthening a reinforced concrete beam or a number of beams in a structure is usually caused by problems due to degradation of characteristics of materials with time, reduction in cross section, corrosion, wrong initial design or the increase in the load demand on the building when its utilized for … Read more

Ground Improvement with Sand Compaction Piles | Advantages

Sand compaction piles

Sand Compaction Piles Sand compaction piles are one of the potential methods for improving ground stability, preventing liquefaction, reducing settlement and similar applications. This method involves driving a hollow steel pipe into the ground. The bottom is closed with a collapsible plate down to the required depth and then pipe is filled with sand. The … Read more

Retaining Wall | Types of Retaining Walls | Design Considerations

Anchored retaining wall

Retaining wall Retaining wall is structures that is constructed and designed to resist the lateral pressure of the soil. Apart from soil, the lateral pressure is caused by the pressure of liquid, earth filling, sand, or other granular material filled behind the wall after it’s constructed. These walls are key components of transportation structures and … Read more