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SUMMARY:ENAC Seminar Series by Dr Y. Shao
DTSTART:20210826T161500
DTEND:20210826T171500
DTSTAMP:20260506T053817Z
UID:66acab9563e73a7ee71458368cb0c117e468933f4679ff656a4259b1
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr Yi Shao\n16:15 – 17:15 – Dr Yi Shao\nPostdoctoral Schol
 ar\, UC Berkeley\, USA\n\nTowards Sustainable Concrete Buildings\n\nAs the
  most consumed construction material\, concrete contributes to approximate
 ly 7% of global carbon emissions. Meanwhile\, cracking\, spalling\, and st
 eel corrosion challenge the resilience and durability of concrete structur
 es. To address these challenges\, a novel class of concrete materials has 
 been developed\, known as ultra-high performance fiber-reinforced concrete
  (UHPFRC). Relative to conventional concrete\, UHPFRC shows superior mecha
 nical performance and durability. While plain UHPFRC has superior material
  performance\, steel reinforced UHPFRC structural members often show small
 er ductility than reinforced concrete. The causes of this reduced ductilit
 y as well as the interaction between steel reinforcement and UHFPRC have n
 ot been fully understood\, which is important for ensuring the safety of U
 HPFRC structure and inspiring innovative applications of UHPFRC.\nThis pre
 sentation will cover the failure mechanisms and recently-developed design 
 methods for steel reinforced UHPFRC beams\, which include a flexural failu
 re path prediction method\, a minimum reinforcing ratio\, and a flexural s
 trength prediction method. These new methods guide the design of next-gene
 ration reinforced UHPFRC beams\, which reduce the initial costs while incr
 easing the strength and ductility of current reinforced UHPFRC beams. Thro
 ugh this work\, new constitutive models for numerical simulation are also 
 developed\, and a deeper understanding of UHPFRC structural properties is 
 gained. Finally\, a new building frame system will be presented to demonst
 rate how these research findings may inspire and support the development o
 f sustainable concrete buildings that reduce concrete consumption while in
 creasing disaster resilience by strategically applying UHPFRC.\n\n\nShort 
 bio:\nDr. Shao is a postdoctoral scholar at the University of California\,
  Berkley. He received his M.S. and Ph.D. from Stanford University in Struc
 tural Engineering and his Bachelor’s degree from Hunan University. His c
 urrent research focuses on sustainable infrastructure through the developm
 ent and application of high-performance materials\, optimization tools\, a
 nd digital construction methods. Dr. Shao has over eight years of research
  experience in structural concrete and advanced cementitious materials\, w
 ith emphasis on ultra-high performance fiber-reinforced concrete (UHPFRC).
  He developed a new cable-stayed bridge system and new UHPFRC structural d
 esign methods based on multiscale experiments and finite element simulatio
 ns. He has authored 13 publications in top journals and international conf
 erences and received the first-place paper award at the Second Internation
 al Interactive Symposium on UHPC\, Albany\, NY. He serves as a reviewer fo
 r seven high-profile journals in the field of structural engineering and m
 aterials research.
LOCATION:https://epfl.zoom.us/j/69022507728
STATUS:CONFIRMED
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