Abstract
Current precast concrete diaphragm design may not necessarily protect the diaphragm from a nonductile shear failure in an overload situation. As evidence exists that diaphragms can attract large inertial loads during strong ground motion, emerging design methodologies are aiming to develop the diaphragm flexural strength. However, the performance target desirable or achievable in design may depend on a number of other factors. An analytical study examines the performance of precast diaphragms with different shear strength relative to design (flexural) strength, termed here "shear reinforcement overstrength." The objective of the study is to determine the required shear reinforcement overstrength in the precast diaphragm to produce certain performance targets. Appropriate shear reinforcement overstrength design factors are proposed in terms of a number of key parameters related to diaphragm geometry and the properties of the diaphragm reinforcing details.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1616-1626 |
| Number of pages | 11 |
| Journal | Journal of Structural Engineering (United States) |
| Volume | 133 |
| Issue number | 11 |
| DOIs | |
| State | Published - 2007 |
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Keywords
- Concrete, precast
- Diaphragms
- Seismic design
- Shear failure
ASJC Scopus subject areas
- Building and Construction
- Civil and Structural Engineering
Cite this
Appropriate overstrength of shear reinforcement in precast concrete diaphragms. / Fleischman, Robert B; Wan, G.
In: Journal of Structural Engineering (United States), Vol. 133, No. 11, 2007, p. 1616-1626.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Appropriate overstrength of shear reinforcement in precast concrete diaphragms
AU - Fleischman, Robert B
AU - Wan, G.
PY - 2007
Y1 - 2007
N2 - Current precast concrete diaphragm design may not necessarily protect the diaphragm from a nonductile shear failure in an overload situation. As evidence exists that diaphragms can attract large inertial loads during strong ground motion, emerging design methodologies are aiming to develop the diaphragm flexural strength. However, the performance target desirable or achievable in design may depend on a number of other factors. An analytical study examines the performance of precast diaphragms with different shear strength relative to design (flexural) strength, termed here "shear reinforcement overstrength." The objective of the study is to determine the required shear reinforcement overstrength in the precast diaphragm to produce certain performance targets. Appropriate shear reinforcement overstrength design factors are proposed in terms of a number of key parameters related to diaphragm geometry and the properties of the diaphragm reinforcing details.
AB - Current precast concrete diaphragm design may not necessarily protect the diaphragm from a nonductile shear failure in an overload situation. As evidence exists that diaphragms can attract large inertial loads during strong ground motion, emerging design methodologies are aiming to develop the diaphragm flexural strength. However, the performance target desirable or achievable in design may depend on a number of other factors. An analytical study examines the performance of precast diaphragms with different shear strength relative to design (flexural) strength, termed here "shear reinforcement overstrength." The objective of the study is to determine the required shear reinforcement overstrength in the precast diaphragm to produce certain performance targets. Appropriate shear reinforcement overstrength design factors are proposed in terms of a number of key parameters related to diaphragm geometry and the properties of the diaphragm reinforcing details.
KW - Concrete, precast
KW - Diaphragms
KW - Seismic design
KW - Shear failure
UR - http://www.scopus.com/inward/record.url?scp=35348824225&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=35348824225&partnerID=8YFLogxK
U2 - 10.1061/(ASCE)0733-9445(2007)133:11(1616)
DO - 10.1061/(ASCE)0733-9445(2007)133:11(1616)
M3 - Article
AN - SCOPUS:35348824225
VL - 133
SP - 1616
EP - 1626
JO - Journal of Structural Engineering
JF - Journal of Structural Engineering
SN - 0733-9445
IS - 11
ER -