/concrete1-xlarge_trans_NvBQzQNjv4BqgVA-

Archiloque @archiloque CC BY 4/07/2017

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Secret of how Roman concrete survived tidal battering for 2,000 years revealed
▻http://www.telegraph.co.uk/science/2017/07/03/secret-roman-concrete-survived-tidal-battering-2000-years-revealed
http://www.telegraph.co.uk/content/dam/science/2017/07/03/concrete1-xlarge_trans_NvBQzQNjv4BqgVA-hWmeIzaZSo_xLFKJ1hqaybmHMV0dDQAfVCIA6cc.jpg

Archiloque @archiloque CC BY
- b_b @b_b PUBLIC DOMAIN 4/07/2017
  
  They discovered that when saltwater mixes with the volcanic ash and lime used by Roman builders, it leads to the growth of interlocking minerals, which bring a virtually impenetrable cohesion to concrete.
  
  b_b @b_b PUBLIC DOMAIN
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