Reinforcing Existing Unreinforced Masonry Wall Buildings, Phase II

在美国有大量的未经加固的砖石建筑。在过去的地震中，这些建筑遭受了严重的结构破坏，经常倒塌。目前对未加固砖石建筑的修复和修复技术通常是昂贵的，并且干扰了建筑物的使用和建筑特征。本研究项目将研究一种修复和修复技术，以消除上述问题。在本研究中，无筋砖砌体墙体通过在无筋砖砌体墙体的中心取心或钻孔进行加固，然后在钻孔中进行配筋，并用各种类型的灌浆填充孔及邻近的空隙。这项研究将集中在全尺寸现场测试，以确定结构和经济可行性。这项研究将有助于未来发展所需的技术，以修复和加强历史和非历史建筑，以抵御未来的地震荷载。首席研究员有很高的资质来进行研究项目，并建议在两年完成项目的第一年获得奖励。该机构提供优良的支持设施。

In the United States there exists an abundance of unreinforced masonry buildings. During past earthquakes, such buildings have suffered major structural damage and often collapsed. Current repair and rehabilitation techniques for unreinforced masonry buildings are generally costly and disturb the occupancy and architectural features of the buildings. This research project will examine a repair and rehabilitation technique that eliminates the above-noted problems. In the research, unreinforoed brick masonry walls are strengthened by coring or drilling holes through the center of the unreinforced brick masonry walls followed by the placement of reinforcement in the drilled hole, and filling the hole and adjoining voids with various types of grouts. This research will concentrate on fullscale field tests to determine structural and economic feasibility. The research will aid in future development of needed technology in the rehabilitation and strengthening of both historical and non-historical buildings against future seismic loads. The principal investigator is highly qualified to conduct the research project and an award is recommended for the first year of the two-year complete project. The institution provides excellent support facilities.