Portland cement is the most common
type of cement and typically originates from limestone. It is the key ingredient in concrete, mortar
and stucco and used throughout the world.
When added to concrete, it is the paste that binds the aggregate (consisting
of gravel and sand) with the water.
One of the mysteries that continue to
baffle scientists and engineers is how the ancient Romans produced the
strongest concrete in the world. Typically
modern concrete buildings last about 50 to 60 years while ancient Roman
concrete structures have survived through 2,000 years of environmental
damage.
The
Conco Companies have recently opened a new office in Portland, OR. While not new to the area as we have performed
services for Portland from our facilities in Kent, WA, this is our first actual
office in the city. The need for the
office made sense as we are working on several large projects throughout the
city and having a more established presence allows us to better serve our current
clients as well as future clients.
As
one of the nation’s leading commercial concrete contractors, The Conco
Companies have undertaken many challenging jobs placing concrete over our nearly
60 years in the industry. We attributed
our success to our seasoned team of professional engineers, managers, pump
operators, and finishing crews as well as to our large fleet of
state-of-the-art concrete pumps.
One of The Conco Companies most impressive
projects over the last few years was providing concrete services on the
Wilshire Grand Center in downtown L.A.
Now after four years of construction, the 73-story tower officially
opened on June 23, 2017. Costing $1.35
billion, the 1,100 ft. tall skyscraper is the tallest building west of the
Mississippi. The opening ceremony for the skyscraper
included local dignitaries and politicians as well as the owners of the
building, Korean Air.
