Investigating the row shear failure of bolted connection in Selangan Batu wood

Muhammad Aiman, Bin Mat Ghani (2017) Investigating the row shear failure of bolted connection in Selangan Batu wood. [Final Year Project Report] (Unpublished)

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Abstract

The main aim of this research study was to investigate the row shear failure of a bolted connection, particularly the connections between the masonry walls and timber floor/roof diaphragms in order to strengthen the unreinforced masonry buildings in Malaysia. The reasons for initiating this study because the occurrence of recent earthquake activities in Malaysia and the similarity between Malaysia unreinforced masonry building characteristic compared to other countries. Similar building characteristics, can obviously cause a major destruction to the unreinforced masonry buildings that are well known to perform poorly during the earthquake based on the past structural performance in previous earthquakes. Another aim of this study was to assess the strength of Selangan Batu wood bolted connection, whereas the wood is commonly used in the construction in Malaysia especially in Sarawak. In the main bolted connection test, there are four groups of different connection arrangements of Selangan Batu wood, which were ten specimens in each group. The current timber design equations that were used to calculate the predicted values of the connection strength are Malaysia Standard, European Yield Model, and Row Shear Model. The results of the bolted connection test conducted were utilized to evaluate the effectiveness of the Malaysian Standard,European Yield Model, and Row Shear Model.The calibration factor was also determined for optimizing the connection design. From the comparison, it is recommended to use European Yield Model and Row Shear Model to predict the bolted connection strength in Selangan Batu wood because Malaysia Standard is too conservative which can cause an uneconomical in designing the connection.

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