Lightweight Concrete

Lightweight concrete is a special type of concrete made of lightweight coarse aggregate. Sometimes lightweight fine aggregate is used instead of lightweight coarse aggregate. The density of lightweight concrete is 1440 to 1840 kg/m³. Lightweight concrete is made by using lightweight aggregates or low-density materials such as volcanic pumice, clay, slate, shale, scoria, tuff. If the density of … Read more

Cinder Block

Cinder blocks are made of concrete and coal cinders. In cinder blocks instead of sand or gravel, much of the aggregate filling material is coal cinder. These types of blocks are lighter than conventional concrete blocks. The strength of the cinder block is less compared to the concrete block. The ash component makes cinder blocks very lighter than conventional concrete … Read more

Dog-Legged Staircase

The dog-legged staircase consists of two flights in opposite directions. In this type of staircase, a flight of stairs ascends to a half-landing before turning at a right angle and continuing upwards. Its sectional elevation looks like a dog. The development of the Dogleg Stairs is practical in view of its compact plan. The flight of stairs uses the space given. It … Read more

What is Crane? Its Types and Uses

Crane: A crane is a type of machine which is used to shift materials, equipment, etc. It is consists of a hoist rope, wire ropes or chains, and sheaves, that can be used to lift and lower materials and to move them horizontally. Normally, a crane is used to lift heavy things. It is also used to transport things from … Read more

Difference Between STAAD Pro and ETAB

STAAD Pro and ETAB are the most popular structural analysis and design software. This two software are widely used throughout the world for structural analysis and design. There are some key differences between STAAD Pro and ETAB. ETAB is normally used for building design while STAAD Pro is general design software. Any type of structure … Read more

What is Backhoe

Backhoe is excavating equipment consisting of a digging bucket that digs up into grounds. Backhoe is also known as a rear actor or back actor. Backhoe is invented from the inspiration of human arms. The section of the arm closest to the vehicle is known as the boom, while the section that carries the bucket is known as … Read more

Surge Tank

A surge tank is used to store the water. It is connected with small pipes and held in a vertical position. The main function of a surge tank is to reduce the water pressure to various pipe connections. It is also known as surge drum and surge pool. There are 3 important functions of a surge tank. … Read more

Water Jet Machining (WJM)

Water Jet Machining is a process in which a high-speed velocity jet of water is utilized to remove the material from the surface of the workpiece. Water Jet Machining is also known as water jet cutting. water jet cutting is used to cut soft materials such as plastic, wood, rubber, etc. To cut harder materials … Read more

Grade Beam

The reinforced concrete beam which is constructed on the ground level is known as the grade beam. Mostly it is used to connect pile caps in pile foundation. The functions of a grade beam are very different from a wall footing because a grade beam is designed for bending. A grade beam is normally a … Read more