Construction Joint or Daywork Joint | Connecting Concrete Pours | Successful Joints

Construction joint Interface in slabs

What is Construction Joint? In mass concreting works were huge volume of concrete pour is involved, it is impossible to finish the concreting in a single go, Construction Joint is introduced to connect two successive pours. Completing heavy concreting if not often practical due to insufficient formwork or scaffolding, working hours in a day, limitation … Read more

Cathodic Protection | Types of Cathodic Protection | Applications

Sacrificial anode

Cathodic Protection Cathodic protection is an approach which is employed to control the corrosion that occurs on the surface of the metal by making it the cathode of an electro-chemical cell. This procedure is quite simple which involves the connection of the metal to be protected, to a more easily corroded metal which is usually … Read more

Bridge Pier | Types of Bridge Piers | Requirements of a Bridge Pier

Sheikh Khalifa Bridge - V Concrete shaped

What is a Bridge Pier? Any bridge structure is a combination of two components: substructure and super structure. For bridges with bearings, all the components which transfer the loads from bearing to the ground is called substructure. Substructure consists of bridge pier, abutments, wing walls, piles etc. while the superstructure consists of deck, girders or … Read more

All about Flexible Concrete or Bendable Concrete | Engineered Cementitious Composite(ECC)

Flexible concrete specimen made by Professor Victor Li

Engineered Cementitious Composite This article will enlighten a unique construction material i.e. the flexible concrete also known as bendable concrete. This material can bring the revolution because of its some special quality such as flexibility, self-healing, lighter weight, etc. In some countries such as Japan, Korea, U.S.A, etc the flexible concrete is used in many … Read more

Weep Hole in Civil Engineering Structures | Retaining walls | Working

Weep Hole System

Function of Weep Hole Weep Holes are provided in earth retaining structures like retaining walls, underpasses, wing walls and other below ground drainage structures. From engineering point of view, Weep Hole is provided in these structures to relieve hydrostatic pressure or water pressure on the walls.  Reducing the water pressure on the walls will reduce … Read more

Pre-Engineered Buildings (PEB) | Advantages & Applications of Preengineered Buildings

Typical Pre-engineered Building

Pre-Engineered Buildings (PEB) Pre-engineered buildings are buildings that are built in factories and are made of steel that are shipped to site and bolted together. PEB (Pre-engineered Building) revolution the construction market using built up sections in place of conventional hot rolled sections. A large column free area is the utmost requirement for any type … Read more

Vibro-Compaction or Vibro-Flotation for Ground Improvement | Principle | Images

Vibro-compaction in action

Introduction Vibro-compaction also known as vibro-flotation is a technique in which the density of granular soils are increased by the insertion of a heavy vibrating poker to desired depth. This vibrating poker is also known as depth vibrator or a vibroflot or simply flot. It is one of the most common ground improvement technique using … Read more

Waterstops or Waterbar for Waterproofing | Application | Waterstop Types | Principle

waterstop-colors

Waterstops or Waterbar Waterstops or waterbars are flexible tape like elements of a concrete structure that prevent the passage of water through concrete joints. Concrete joints are most liable to seepage. They are designed as fluid tight diaphragm embedded in or running along the joints. The join is as watertight as the waterbar that join … Read more

Basement Waterproofing Techniques | Procedure | Internal and External

Basement Waterproofing

Basement Waterproofing Techniques Basement waterproofing and preventing ingress of water into basement is one the major challenging task in constructing basements. It is often considered considered as an expert procedure and is performed by skilled personals from the product suppliers for efficient waterproofing. Originally, weeping tiles are installed at the bottom sides of the footing. … Read more