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  • Open Access

    ARTICLE

    Investigating the Retrofit of RC Frames Using TADAS Yielding Dampers

    Mehrzad TahamouliRoudsari1,*, K. Cheraghi2, R. Aghayari2

    Structural Durability & Health Monitoring, Vol.16, No.4, pp. 343-359, 2022, DOI:10.32604/sdhm.2022.07927

    Abstract TADAS dampers are a type of passive structural control system used in the seismic design or retrofitting of structures. These types of dampers are designed so that they would yield before the main components of the structure during earthquake. This dissipates a large portion of the earthquake’s energy and reduces the energy dissipation demand in the main components of the structure. Considering its suitable performance, this damper has been the subject of numerous studies. However, there are still ambiguities regarding the effect of the number of these dampers on the retrofitting of reinforced concrete (RC) frames and their design procedure.… More >

  • Open Access

    ARTICLE

    Assessment of Seismic Damage in Nativity Church in Bethlehem Using Pushover Analysis

    Belal Almassri1,*, Ali Safiyeh2

    Structural Durability & Health Monitoring, Vol.15, No.4, pp. 349-366, 2021, DOI:10.32604/sdhm.2021.016889

    Abstract This study focuses on advanced finite element (FE) analyses on The Church of Nativity located in Bethlehem (Palestine), one of the most historic structures in the world. To ensure the model quality, a 3D FE model was created using two types of typical commercial software, DIANA FEA and SAP2000. From analyses, one of the expected behaviors for this kind of masonry structure “low modal period” was found. The seismic behavior of the church was studied using pushover analyses, which were conducted using DIANA FEA. The first unidirectional mass proportional load pattern was created in both directions, X-direction as a longitudinal… More >

  • Open Access

    ARTICLE

    Comparative Study on Diagonal Strut Model of Infill Wall

    Zhenling Chai1, Zixiong Guo1,*, Xiaojuan Liu1, Yunfan Jiang1

    Structural Durability & Health Monitoring, Vol.12, No.3, pp. 169-187, 2018, DOI: 10.3970/sdhm.2018.00240

    Abstract The equivalent diagonal strut models of infill wall mainly include the single strut model and multi-strut model. Firstly, several equivalent strut models and their characteristics are introduced in this paper. Then, model analysis and pushover analysis are carried out on infilled frame models with the aid of the software SAP2000. Two typical single strut models and a typical three-strut model are used to simulate the panel of the frames respectively. It is indicated that the period reduction factor of the frame with a three-strut model is close to the value recommended by the current code. The infill wall has great… More >

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