Everything about Bar Bending Schedule | BBS Terms & Rules

Value for minimum radius r for bar scheduling

Bar Bending Schedule or BBS BBS or Bar bending schedule is a detailed report of list of reinforcement types and sizes, its quantities, shape codes, dimensions and designated bar mark numbers with reference to a detailed structural drawing. The preparation of the BBS is known as scheduling. A bar bending schedule is usually prepared by … Read more

Flat Slab Floors for Construction Efficiency | Advantages to Client

Prestressed Flat Slab Concrete Pouring Process

Flat Slab Construction In this fast growing infrastructure industry, efficiency in construction is utmost important. Flat slab floor systems reduces time for design & delivery, cost of constructions and improves quality of construction. Flat slabs outweighs other structural systems in terms of cost, time & flexibility in 3 main aspects, which are as follows. For … Read more

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

Drip Inducer in Structures | Water Cut & Water Shedding Requirements

Common DripInducer details and standard

What is a Drip Inducer or Water Cut A drip inducer also known as water cut can be a recess, protrusion, groove or a projection on an underside surface. The function of drip inducer is to interrupt and break the flow of water along the surface thereby causing it to drip off. One of the … Read more

Key Causes of Failure of Bridges | Reasons for Collapse during Construction | Bridge Failure

Failure due to Buckling of piers during construction

Failure of Bridges Total or partial failure of bridges or collapse is often wrongly attributed to poor or improper design alone. This article attempts to elaborate the root causes of collapse of road, vehicular and rail bridges irrespective of structural type. Said that flaws in construction of bridge is one of the important reasons of … Read more

Complete List of Different Methods of Tunnel Construction | Principal Tunneling Types

Cut and Cover Construction using Side Slopes Excavation- Ft McHenry Tunnel

Methods of Tunnel Construction The method of Tunnel construction adopted for a project depends on various factors. Tunnel construction and Tunnel Engineering is considered to be one of the most sophisticated and specialized art in the field of Civil Engineering. Unpredictable ground conditions, environmental requirements and geological factors makes Tunneling a challenging job. Like immersed … Read more

Anchorage Systems in Post Tensioning | Types of Prestressed Concrete Anchorages | Images

Live End Post tensioning Anchorage Insulated and External Type

Anchorage in Prestressed Concrete Anchorage as the name signifies is a component of post tensioning system which is used to anchor the tendons into the concrete while terminating or joining two tendons. Main function of anchorage is to transfer the stressing force to the concrete once the stressing process is completed. It is one of … 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

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