Remove Concrete Remove Inspections Remove Portland Remove Transportation
article thumbnail

STRUCTURAL USES OF PRECAST CONCRETE

The Constructor

Use of Precast Concrete in frames: There are two main types of precast building frame. The structural frame consists of slabs, beams and columns. Structural frames are mainly used for offices, car parks and retail developments.

Concrete 233
article thumbnail

REPAIR OF POST CONCRETING DEFECTS IN STRUCTURES

The Constructor

Cleanliness: when repairing concrete, care must be taken to remove any dirt or dust that will prevent the repair concrete bonding with the parent concrete. Expediency: The longer the repair is left, the more work has to be done, and the less likely that the repair will blend in.

Concrete 247
professionals

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

What Is Mass Concrete | Properties of Mass Concrete | Advantage of Mass Concrete | Disadvantage of Mass Concrete |How Much Mass Density of Concrete

CivilJungle

Mass Concrete: Large bridge piers , foundations , and such as dams like the massive structure , the mass concreting technique is used. For also, mass concrete strength , economy, uniformity, and other factors considered should take into account. The temperature shrinkage is the major problem in mass concrete work.

article thumbnail

CONCRETE CURING METHODS

The Constructor

Both the rate and degree of hydration, and the resulting strength of the final concrete, depend on the curing process that follows placing and consolidating the plastic concrete. This reaction, called hydration, produces a stone-like substance—the hardened cement paste.

Concrete 189
article thumbnail

COMPOSITION OF REACTIVE POWDER CONCRETE (RPC)

The Constructor

It is new technique involved in the civil engineering.Reactive powder concrete in made by replacing the conventional sand and aggregate by grounded quartz less than300 micron size, silica fume, synthesized precipitated silica ,steel fibers about 1 cm in length and 180 micron in diameter.

Concrete 161
article thumbnail

CELLULAR LIGHTWEIGHT CONCRETE?FLY ASH BASED

The Constructor

It has many advantages when compared to the normal conventional concrete. Fly ash is considered as one of the waste industrial product that cannot be easily disposed. It solves the problem of disposal of flyash and at the same time it reduces the cost of the construction.

Concrete 224
article thumbnail

4 key innovations and construction trends across airport design

BD+C

Skanska also spearheaded improvements to AGT (Plane Train) stations and Transportation Mall and wayfinding, improving the overall traveler experience. JFK Airport’s future Central Terminal Area Roadways, Utilities and Ground Transportation Center. Portland International Airport. Phoenix Sky Harbor International Airport.

Airports 105