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  • Comparison of screening, evaluation, rehabilitation and design provisions for wood-framed structures

    Creator:
    Baxter, Preston
    Abstract:
    Many publications, documents, codes and guidelines exist related to the seismic evaluation and rehabilitation design of existing buildings. This report discusses the assumptions and methods employed for investigation of two wood structures using four references: FEMA 154, FEMA 356, ASCEI per SEI 31, and 1997 UBC. The screening performed using...
    Resource Type:
    Masters Thesis

  • Development of rapid visual screening tool for seismic evaluation of wood-frame dwellings

    Creator:
    Lucksiri, Kraisorn
    Abstract:
    During the past several decades, earthquakes have caused extensive damage to buildings, including wood-frame, single-family dwellings, in the United States. In order to mitigate future losses, existing buildings in earthquake prone areas should be evaluated for their seismic safety. This is also an important issue for buildings in Oregon due...
    Resource Type:
    Dissertation
    Full Text:
    presented on March 21, 2012. Title: Development of Rapid Visual Screening Tool for Seismic Evaluation of

  • Seismic protection of flexible rotating machines using base isolators

    Creator:
    Su, Wen-Chyi
    Abstract:
    Base isolation is an alternative seismic design strategy in which the primary structures and their internal components are uncoupled from the potentially damaging horizontal components of an earthquake by base isolators which attenuate the transmission of horizontal acceleration into the system. Rotating machines are among the key internal components of...
    Resource Type:
    Dissertation
    Full Text:
    earthquake. One of the more difficult issues to address from conventional design viewpoint is that of

  • Dynamic behavior of metal-plate-connected wood truss joints

    Creator:
    Kent, Scott M.
    Abstract:
    The objectives of this research were to evaluate the behavior of actual metal-plate-connected (MPC) tension-splice and heel wood truss joints under seismic loads from the Northridge earthquake (tension-splice joints only) and under loads from a large artificial earthquake (1.0 g's and 0.67 g's maximum horizontal and vertical accelerations, respectively). A...
    Resource Type:
    Masters Thesis

  • Cross-laminated timber engineering : improvement and application

    Creator:
    Kramer, Anthonie
    Abstract:
    The development of cross-laminated timber (CLT) panel technology has opened up new opportunities for wood in tall buildings. Several characteristics including seismic performance and speed of construction have raised interest among designers. As CLT gains acceptance in the industry, alternative structural solutions need to be investigated to improve performance of...
    Resource Type:
    Masters Thesis
    Full Text:
    during a design earthquake. The attachment of energy dissipators is critical in ensuring rapid

  • Dynamic response of flexible rotating machines subjected to ground motions

    Creator:
    Su, Wen-Chyi
    Abstract:
    Rotating machine play an important role in modern technology. Compressors in ventilating and cooling systems, pumps in power generation facilities, as well as high speed computer are all examples of flexible rotating machinery that must remain functional during and after a sever earthquake. Recent earthquakes have demonstrated that an aseismically...
    Resource Type:
    Masters Thesis
    Full Text:
    must remain functional during and after a sever earthquake. Recent earthquakes have demonstrated that

  • Steel confined yielding damper for earthquake resistant design

    Creator:
    Newell, James D.
    Abstract:
    An experimental study of a passive energy dissipation tension-compression yielding brace or buckling restrained brace has been conducted. The Confined Yielding Damper (CYD) consists of a steel yielding core confined within a tube filled with non-cohesive media. The external tube and confined non-cohesive media provide lateral stability to the core...
    Resource Type:
    Masters Thesis
    Full Text:
    Earthquake Resistant Design by James D. Newell A THESIS submitted to Oregon State University in partial

  • Numerical assessment of steel plate shear wall with coupling (SPSW-WC) system design procedure

    Creator:
    Li, Wennan
    Abstract:
    The Steel Plate Shear Wall (SPSW) system, is an innovative seismic lateral force resistant system, which has experienced increased use over the last three decades. The SPSW system is composed of boundary elements which anchor web plates that develop diagonal tension fields. A number of SPSW buildings have been built...
    Resource Type:
    Masters Thesis
    Full Text:
    Steel Plate Shear Wall with Coupling (SPSW-WC) System Design Procedure Abstract approved: Daniel

  • Deformation-based seismic design models for waterfront structures

    Creator:
    Yang, Dong-Shan
    Abstract:
    Recent experience demonstrates that waterfront structures are vulnerable to earthquake damage. The poor seismic performance of these facilities has been primarily due to liquefaction of backfill and/or foundation soils and the lack of seismic design standards for waterfront structures. The seismic performance of waterfront structures is a key issue in...
    Resource Type:
    Dissertation
    Full Text:
    insure the serviceability of the waterfront components after a design-level earthquake. This research

  • Nonlinear dynamic analysis of heavy timber frame structures including passive damping devices

    Creator:
    Eiden, Claudia M. T.
    Abstract:
    Engineering analysis of heavy timber structures under dynamic loads is generally lacking. Some literature suggests that heavy timber structures are stiffer than expected, but popular engineering opinion is to the contrary. In addition, prior research has shown that passive friction dampers can be used in timber structures for the intended...
    Resource Type:
    Masters Thesis