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Curing of Concrete

Introduction
Curing is the process of providing moisture to the concrete mix so that better interlocking is established. If curing is not done properly then it will cause insufficient hydration and as a result there will be capillary pores, causing cracks and shrinkage. Moreover, strength and durability will also get affected and the concrete will disintegrate and break. It also ensures to maintain a sufficient temperature of concrete at its early age. It must be implemented as soon as placement & finishing is done. Also, it must continue for a specific period for the concrete to achieve its desired strength and durability. Uniform temperature is necessary to avoid thermal shrinkage cracks, plastic shrinkage and problems like bleeding and segregation.

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Types of Brick Bonding in Brick Masonry

Introduction
Brick is one rectangular building unit that constitutes the whole structure. It is mainly made of clay at high temperature and is mostly red in color. Other constituents of bricks are sand, cement, lime and fly ash. There are many patterns involved in laying bricks some of which are going to be discussed here. Nowadays, concrete hollow bricks are replacing the conventional bricks as more advancement in technology is going on. The standard size of brick used in buildings without mortar is 219 x 9 x 9 cm and with mortar the size is 20 x 10 x 10 cm. Bricks contribute in distribution of loads and maintain stability of the structure. Thus, bricks are such units that are irreplaceable in construction industry till today.

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Riveting And Welding Of Steel

Introduction
Riveting is the process of joining two metal plates with the help of nuts and bolts. In other words, it is a process in which a hole is made on the steel plates to be joined, the diameter of which is more than the nominal diameter of bolt. The rivet is then inserted and the head is formed at the other end. The rivets should conform to IS: 1929-1982 and IS: 2155-1982 as appropriate. High tensile steel rivet must be manufactured from steel conforming to IS: 1149-1982.
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Engineered Cementitious Composite

Introduction
Engineered Cementitious Composite (ECC) or Strain Hardening Cement-based Composites (SHCC) is a particular type of concrete reinforced with specially selected short random fibers. The strain capacity of such composite is in the range of 3–7%, compared to 0.01% for ordinary Portland cement (OPC). Bendable concrete acts like ductile metal when compared to the brittle nature of OPC cement. As a result of adverse effects on fiber dispersion and overall performance, the coarse aggregates are not used in ECC. Different type of fibers is implemented to impart the tensile strength in ECC. Some fibers include Poly Vinyl Alcohol, Polypropylene fiber, and also natural fibers. ECC shows ductility property in the hardened state, and flexible property in the new state makes ECC applicable to a wide range of construction applications. This report presents a review of ECC durability studies in the literature, with detailed discussions on ECC high-temperature resistance, permeability resistance, and shrinkage resistance. The use of engineered cementitious composites (ECCs) has gained wide attention considering their properties, such as high tensile strength and elasticity values. However, the required methods for direct measurement of tensile strength are not developed adequately.

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Concrete Grinder – Its Types, Components and Use

What is Concrete Grinder ?
A concrete grinder is used to smooth out work surfaces or floors. Concrete grinders are used to grind and polish marble, granite, concrete, and other types of floors. Concrete grinders are occasionally custom-made to perform specific tasks. Concrete grinders are designed to withstand more stress and power than marble grinders.

Concrete grinders have recently become a popular choice for industries due to their versatility. Concrete grinders remove adhesives and grease-like compounds from the floors of commercial sectors and industries, in addition to finishing activities. Concrete grinders are widely used in developed countries because of their ease of use and versatility.

Grinders are using rotary action rather than impact to remove material. The material removal depth is limited to about 1/8 inch. When working on hard, dense concrete, they may polish rather than rub the surface.

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Bridge – Classification, Components & Parts

What is Bridge?
A bridge is a structure that spans horizontally between supports and is used to carry vertical loads. Even though the prototypical bridge is quite simple—two supports holding up a beam—even in this simplified form, every bridge has achieved engineering challenges. The supports must be strong enough to support the structure, and the span between the supports must be strong enough to support the loads. Long spans are justified when good foundations are scarce, such as over estuaries with deep water and generally kept as short as possible

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What is Concrete Pump – Types, Uses, Advantage and Disadvantages

What is a Concrete Pump?
A concrete pump is a machine to transport liquid concrete from storage tanks or batching plants to the worksite where it will be poured or filled. A concrete pump is a crucial piece of equipment for any construction job of significant scale. A concrete pump, which is now standard fare on every building site, is the most popular tool for transporting or transferring liquid concrete. The concrete pump has greatly accelerated construction times, particularly for tall buildings like skyscrapers.

Pouring concrete in tight or crowded spaces is made easier with the help of concrete pumps. Therefore, whether you’re placing the concrete in a footing slab or on the top floor of a skyscraper, concrete pumps can get the mixture there without leaving streaks or bubbles on the ground.

In high-rise buildings or behind protected concrete barriers, where accuracy in pouring is paramount, concrete pumps are an indispensable tool. When using a concrete pump, there is significantly less waste and greater precision in the finished product.
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Underpinning Method of Foundation

What is Underpinning?
Underpinning is a method used to repair and strengthen the foundation of a building. During underpinning, reinforcements are positioned throughout the length or breadth of an already established base. Because of this, its weight is distributed across a larger area and rests on solid earth layers. Micro-piling and jet grouting are common underlying methods, despite being time-consuming and costly.

Underpinning is excavating the soil that’s pulling away from the structure and eliminating the foundation holding it up. There will be movement in the building when the current foundations become weakened. The property’s foundations and structure are strengthened by installing new, more robust materials and digging deeper footings on top of the more stable growth.
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About Civil Engineering

Engineering is a term applied to the profession in which a knowledge of the mathematical and natural sciences, gained by study, experience, and practice, is applied to the efficient use of the materials and forces of nature. Engineers are the ones who have received professional training in pure and applied science. Before the middle of the 18th century, large-scale construction work was usually placed in the hands of military engineers. Military engineering involved such work as the preparation of topographical maps, the location, design, and construction of roads and bridges; and the building of forts and docks; see Military Engineering below. In the 18th century, however, the term civil engineering came into use to describe engineering work that was performed by civilians for nonmilitary purposes.

Civil engineering is the broadest of the engineering fields. Civil engineering focuses on the infrastructure of the world which include Waterworks, Sewers, Dams, Power Plants, Transmission Towers/Lines, Railroads, Highways, Bridges, Tunnels, Irrigation Canals, River Navigation, Shipping Canals, Traffic Control, Mass Transit, Airport Runways, Terminals, Industrial Plant Buildings, Skyscrapers, etc. Among the important subdivisions of the field are construction engineering, irrigation engineering, transportation engineering, soils and foundation engineering, geodetic engineering, hydraulic engineering, and coastal and ocean engineering.

Civil engineers build the world’s infrastructure. In doing so, they quietly shape the history of nations around the world. Most people can not imagine life without the many contributions of civil engineers to the public’s health, safety and standard of living. Only by exploring civil engineering’s influence in shaping the world we know today, can we creatively envision the progress of our tomorrows.

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Comments

3,791 comments on "Civil Engineering Home"

Shubham Ghuge says:

Thanks a lot, sir for these most useful articles on this site, Thanks sir.

naman says:

I agree in civil engineerig you can be praised to showcase your creativity

Otene says:

Good information i want it
Many thanks

vnkutty says:

is there any body or company who can assess the strength of a 5 year old 10 story building which has developed some symtpoms?. He has to assess and give a detailed report on the condition of the building

Danjuma Salim lage says:

I like it

bilal ansari says:

very informative website
thanks to the people who r working on it.
hats off brothers

Titus kiprono says:

Personally i am learning alot, its brilliant

Rateb khubia says:

Thank you

Younus Peerbaye says:

what is a tension reinforced concrete column

Tanaya Nasle Nasle says:

Pls send us more details

Kumayon Oluwaseun says:

I’m a mason looking for an engineer to be working with

Kweku Amoako says:

A solution to shoring up building constructed over concrete drain pipe.

MohammedAfsarShaikh says:

Very good site with lots of information..

Badri Narain says:

Knowledge Centre is my concern, having worked in construction of Hydro Electric Projects, want to latest technology in construction of tunnels in waterlogged shattered / loose rock mass.

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