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A concrete structure exposed to a rich sulfate environment or contained sulfate salts in its mix constituents (water, aggregates, or cement) can degrade rapidly and causes reduction of strength.  Sulfate with the presence of water and cementitious paste will result in a process called Sulf...

A brief summary about chloride attacks in concrete structures: its origin, chemical reaction, effect on concrete durability, laboratory testing methods as well as proactive/preventative maintenance

A leaky basement can be a common problem for structures close to a body of water where the water table is typically high (sea, lake, underground reservoir). The long term damages can affect the integrity of your structure and ultimately result in costly repairs. We will explain what are th...

Last Wednesday, CTLGroup had the privilege to participate in the free educational workshops that took place at the Big5-Qatar Event. Two technical presentations were made by Eng. Chadi Said (General Manager at CTLGroup-Qatar) and Dr. Jose Pacheco (Consultant on Concrete Materials at CTLGro...

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CTL Group Celebrates 100 Years with PCA (Source: Engineering News Record)

April 11, 2016

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April 24, 2019

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