10 + Thumb Rules For Concrete Mix Design
For adding 4 liters of water in 1 cu.m freshly mixed concrete 1. The slump value will be increased by 25 mm. 2. The compressive strength of concrete will be…
Advantages Of RCC Stairs
R.C.C Stairs OR Reinforced Concrete Stairs: RCC stairs may be the most common stairs widely used than any other types of stair. These stairs can be easily moulded to any…
Formula To Find The Length Of A Pile
Formula To Find The Length Of A Pile: Let the properties of the soil penetrated be represented by the symbols given below: Weight of the soil = w kg/cu.m Angle…
RCC Framed Structure Buildings
RCC Framed Structure: Due to the lower compressive strength of bricks (For 1:2:4 cement concrete works), the width of load bearing walls for the building having more than four story…
Lap Length / Lapping Length Of Steel Bars
Lapping is very important for reinforcement usually done to increase the length of bars. In this article, I will discuss lap length of bars with examples. What Is Lap Length?…
Concreting In Hot Weather
Hot Weather Concreting: We know that cement possesses faster rate of hydration in hot weather. The rate of hydration of cement increases with the increases in temperature. Generally, 10° C…
Polymer Concrete – Types, Advantages And Application
What Is Polymer Concrete? Polymer concrete is a new concrete produced with OPC concrete cured and impregnated with liquid or vaporous chemical compound (Methyl methacrylate monomer) and polymerized by gamma…
Conditions Of Stability Of Retaining Walls
Conditions Of Stability Of Retaining Walls: A good retaining wall must fulfill the following requirements to ensure its stability: 1. The retaining wall should be able to resist the pressure…
What Is Development Length Of Bars
What Is Development Length ? The development length can be defined as the length of the bar required for transferring the stress into the concrete. In other words, development length…
Manufactured Sand Or M-Sand For Construction
Manufactured Sand Or M-Sand: Manufactured sand or M-Sand is a replacement of natural river sand made artificially from hard granite stone by crushing. M-sand is cubical in shape and edges…
Difference Between Weir And Barrage
Difference Between Weir And Barrage: The difference between weir and barrage is described below. Weir: Weir is an impenetrable boundary which is developed over a river or waterway to raise…
Estimating Steel For Reinforcement
Estimating Steel For Reinforcement: For RCC works estimates of steel is essentially required for the following purposes. 1. For acquirement of the materials. 2. To check or to submit the…
Singly Reinforced Beam Design Procedure
Singly Reinforced Beam: When the area of steel is provided in tension zone only i.e the reinforcement is given only in tension zone, it will be known as singly reinforced…
Specification For Laying 38 mm Damp-proof Course with Concrete Of 1:2:4 At Plinth Level
1. The damp-proof course should cover the total wall thickness. 2. The bottom of the DPC should be clear, even and free from overhanging that may damage to the damp-proof…
Waterproofing Of Flat Roofs
Waterproofing Of Flat Roofs: Flat Roof Waterproofing: Waterproofing of roofs has become an essential part of building construction. There are different methods which can be used for waterproofing of roofs.…
Handling Of Reinforcement At Site
Handling Of Reinforcement At Site: Whatever be the size of R.C.C work, it is important to arrange a bar bending schedule before starting of handling reinforcement at the construction site.…
Girder Design Procedure
Girder Design Procedure: The design of girder or built up beam is done by trial and error method. The section of the girder is chosen and checked for the stresses.…
Approximate Estimates
What Is Approximate Estimate? The approximate estimate is done in order to find out an approximate cost in a very short time before starting the project. The estimation is made…
R.C.C Beam And Slab Floor
R.C.C Beam And Slab Floor: For larger span and excessive loading situations or in circumstances where intermediate walls are not used RCC beam and slab construction is suitably adopted to…
Design Criteria Of Septic Tank
Septic Tank: Septic tank is a tank where sewage is kept a long time for sedimentation of suspended solid by anaerobic microorganism activity. Basically, the tank is rectangular in shape…
Grades Of Concrete
Grades Of Concrete: In IS: 456-1978, the different grades of concrete are given as M10, M25, M20, M25, M30, M35, and M40. In the classification of concrete mix, the letter…
Characteristics Of Good Quality Paints
Characteristics Of Good Quality Paints: The characteristics of a good paint are as following: 1. A paint will be said good quality if it sticks well to the surface along…
Cube Strength Of Concrete
Cube Strength Of Concrete: The strength achieved by the concrete on 15 cm concrete cubes after curing of a temperature of 27± 2° C is known as cube strength of…
Advantages & Disadvantages Of Precast Piles
Precast Concrete Piles: The various advantages and disadvantages of precast piles are described below: Advantages Of Precast Piles: 1. Precast piles can be cast well before the initiation of the…