LECTURING THE OPPOSITION ON EXPANSION GAPS ... Please tag them to come with your team and learn!

"What does it benefit the opposition by lying that the 3 beautiful in Awka are crumbling?

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Bridge expansion joints are designed to allow for continuous traffic between structures while accommodating movement, shrinkage, and temperature variations on reinforced and pre-stressed concrete, composite, and steel structures.

Cracks in concrete can’t be prevented completely, but they can be prohibited or minimized by properly designed joints. Concrete cracks are caused because:

The Concrete is weak in tension, if its natural tendency to shrink is restrained, in such a way that tensile stresses exceed the tensile strength it can develop, it will result in cracking.

At early stages, cracking is caused by temperature changes or by slight contractions that take place as the concrete sets and hardens. As the concrete dries, it shrinks further developing additional cracks or widening preexisting cracks.

HENCE, Joints provide relief from the tensile stresses. Joints are easy to maintain and are less detrimental than uncontrolled or uneven cracks.

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PIcs: Expansion Gaps in Kwata Flyover and other Bridges!