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RISInterior Joints with Variable Anchorage Lengths
Publisher: American Society of Civil Engineers
Abstract: Four half‐scale R.C. interior beam‐column joints were tested to assess the validity of current anchorage provisions for interior beam‐column joints. The specimens had beam bars with anchorage lengths of 16, 20, 24, and 28 ...
Discussion of “Public Safety—Is It Compromised by New LRFD Design Standards?” by Roberto T. Leon
Publisher: American Society of Civil Engineers
Seismic Performance of PR Frames in Mid-America Earthquake Region
Publisher: American Society of Civil Engineers
Abstract: The wind moment frame (WMF) method has been and continues to be widely utilized in the central and eastern United States, resulting in a very large population of structures having been designed without a rigorous analysis ...
Stiffness Modeling of Bolted T-Stub Connection Components
Publisher: American Society of Civil Engineers
Abstract: The results of 48 T-stub component tests and eight full-scale T-stub connection tests are used to develop and calibrate a comprehensive T-stub connection stiffness model. The model, based on basic component spring theory, ...
Bolted Steel Connections: Tests on T-Stub Components
Publisher: American Society of Civil Engineers
Abstract: The results of tests on 48 T-stub specimens are presented and discussed. These tests were carried out as part of a SAC Phase II project in order to provide insight into the behavior, failure modes, and ductility of these ...
Repairs to Mid-Rise Steel Frame Damaged in Northridge Earthquake
Publisher: American Society of Civil Engineers
Abstract: The Borax corporate headquarters building, a low-rise steel moment frame, was less than one year old when it sustained significant structural damage during the 1994 Northridge earthquake. Seventy-five percent of its steel ...
Pushover Response of a Braced Frame with Suspended Zipper Struts
Publisher: American Society of Civil Engineers
Abstract: This paper presents the results from an experimental pushover test on a one-third-scale model of a special inverted-V-braced steel frame with zipper struts. Zipper elements are vertical elements added at the intersections ...
Seismic Response of Composite Moment-Resisting Connections. I: Performance
Publisher: American Society of Civil Engineers
Abstract: The 1994 Northridge, California, earthquake precipitated numerous unexpected fractures in welded steel moment-resisting frame connections, mainly in the regions of the bottom girder flanges. This two-part paper reports on ...
Bidirectional Tests on Partially Restrained, Composite Beam-to-Column Connections
Publisher: American Society of Civil Engineers
Abstract: Partially restrained connections and their interaction with the floor slab have received recent attention due to numerous failures of welded steel moment frames during the 1994 Northridge and 1995 Kobe earthquakes. After ...
Full-Scale Tests of Seismic Cable Restrainer Retrofits for Simply Supported Bridges
Publisher: American Society of Civil Engineers
Abstract: Many parts of the central and southeastern United States have recently begun initiating seismic retrofit programs for bridges on major interstate highways. One of the most common retrofit strategies is to provide cable ...