NEHRP Clearinghouse
- Title
- Design of Connections for Precast Prestressed Concrete Buildings for the Effects of Earthquake.
- File
- PB85186914.pdf
- Author(s)
- Clough, D. P.
- Source
- National Science Foundation, Washington, DC., March 1985, 180 p.
- Abstract
- Buildings designed in conformance with typical building code criteria will yield during a significant earthquake. In the present work, a design methodology has been developed which takes into account quantitative estimates of plastic deformations and enables a more rational approach to connection detailing. A simple concept is used to estimate the maximum inelastic displacement at roof level. Results from other investigators are applied to estimate the number of reversed inelastic loading cycles which must be sustained during the response to a damaging earthquake. The design methodology is demonstrated with two example structures typical of precast construction for zones of moderate seismicity in the United States. Strength and deformation requirements derived by this approach are presented for selected joints to facilitate the experimental validation of specific connector designs. Guidelines are presented which enable quantitative comparison of strength, plastic elongation, and cyclic load reversal demands on connectors within similar structures sited in zones of higher seismicity.
- Keywords
- Prestressed concrete; Earthquake resistant structures; Precast concrete; Structural design; Buildings; Earthquake engineering; Joints (Junctions); Ductility; Plastic deformation