Structural Engineers Association of New York

CIB Educational Seminar: Mass Concrete: How Big is Big? - April 26, 2017

26 Apr 2017 9:40 AM | Anonymous

The seminar will address how high strength concrete can generate internal temperatures that reduce strength.

Speaker: Jerzy Zemajtis, PhD, PE is Senior Engineer at the American

Concrete Institute

Topic: Mass Concrete: How Big is Big? Live Presentation

Location: New York Athletic Club, 59th & 7th Avenue – 180 Central Park South

What is Mass Concrete? ACI 207.1R defines mass concrete as any volume of concrete with dimensions large enough to require that measures be taken to cope with the generation of heat from hydration of the cement and attendant volume change to minimize cracking. But how does one predict whether mass concrete problems will occur and what steps should be taken? This presentation will discuss how to identify mass concrete, ACI 301 requirements pertaining to it, and good construction practices. Topics covered in this presentation will include:

  • Examples of mass concrete structures
  • Identifying mass concrete in the field
  • Specification requirements
  • Factors influencing mass concrete
  • Mitigation or design



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