Aug 20,  · the seismic and energy performance of existing reinforced concrete and masonry buildings. The system is based on engineered insulating concrete form panels, installed on the outside of existing

Over recent years there has been a growing need to assess the seismic performance of potentially vulnerable buildings in Australia in order to make informed risk mitigation decisions. The aim of this study has been to assess the seismic performance of in-situ reinforced concrete (RC) buildings under 10-storeys high and constructed prior to 1995.

Seismic Response of Reinforced Concrete Columns (insufficient lap length, improper lap location and lack of confinement in columns etc) were found inadequate to resist forces imposed by these columns and shear walls, considering all potential failure mechanisms associated with axial, flexure and shear behavior. The pattern

Seismic Retrofitting Methods of Reinforced Concrete Buildings Pankaj Agarwal, Ph. D •In reinforced concrete beams, the major problems exist at the right end, considering seismic forces left to right Column lap splices subjected to large axial force due to frame wall action. Technical Consideration

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response of a building equipped with reinforced concrete via three kinds of infilled walls. They have gained some profound data with the resistance of the experimental buildings against raised collapse followed by sudden column loss and resistance increased markedly via wing-type walls.

on thin walls containing lap splices at their bases are summarized, emphasizing the poor seismic performance of this type of construction. The effects of wall thickness and reinforcement detailing of deficient reinforced concrete walls are also presented. The improved performance of deficient shear walls

Jun 03,  · A novel reinforced concrete (RC) segmental coupling beam (SCB), which mainly comprises the energy dissipating (ED) segment and load bearing (LB) segment, is proposed in this paper. In order to examine its applicability in engineering practice, one scaled RC coupled wall specimen with the proposed SCBs was constructed and experimentally investigated under cyclic loading.

Sep 11,  · The design of the reinforced concrete frames in this study are aimed to reflect common seismic design deficiencies, such as location of lap splices at bottom of columns, insufficient transverse reinforcements at column and beam ends and lack of stirrups at beam‐column joints.

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An information series from the national authority on concrete masonry technology NCMA TEK 14-21A (replaces TEK 14-21) 1 DESIGN OF CONCRETE MASONRY WALLS FOR BLAST LOADINGTEK 14-21A Structural ( ) INTRODUCTION Compared to the typical forces usually included in build- ing design, such as wind and seismic, there are many unique considerations involved in blast design. Continue reading

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Seismic Response of Reinforced Soil Retaining Walls with Block Facings growing world wide at a rapid rate, the seismic response of these walls is yet to be analyzed. This paper discusses the response of Fig. 1 Geometry of the cement concrete block faced reinforced soil wall (Guler and Demirkan, 2000)

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Lightly reinforced precast concrete panels can be used advantageously to provide lateral force resistance in low-rise buildings. The abundance of wall panels in certain buildings means that wall panels that are lightly reinforced can provide sufficient lateral force resistance if designed for nominally elastic or limited ductility response.

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Jan 24,  · Reinforced concrete walls often have lap splices above the foundation level, where the expected seismic demand is maximum. A proper detailing of lap splices is of fundamental importance for the cyclic response of the structural member as it can result in a significant reduction of its

Intermediate reinforced shear walls are permitted in SDCs A, B and C. The building height is unlimited. Special reinforced shear walls are permitted in all seismic design categories. The building height is unlimited in SDCs A, B and C, limited to 160 ft (48.8 m) in SDCs D and E, and limited to 100 ft (30.5 m) in SDC F.

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Research on rehabilitation of reinforced concrete (RC) structural walls with both deficient shear reinforcement and lap splice detailing is still needed.

The principal objectives of this study were to evaluate the seismic behaviour of non-ductile reinforced concrete structural walls before and after rehabilitation using carbon fibre