| Summary: | 碩士 === 高苑科技大學 === 建築研究所 === 107 === Technical workers maybe ignored the interface of technical conditions in renovated a building ceiling, And that seriously affects the engineering quality.
The behavior of pin nailer, making to fix hanger of ceiling engineering, were considered in this investigation. The projects discussed in the experiment were including the compressive strength of the concrete, the air pressure given by the air compressor, etc.
Based upon the experimental results, the following can be concluded:
1. It is proposed that the better environmental conditions for the application of pin nailer are as follows: the actual average compressive strength of concrete is lower than 288.2 kgf/cm², the air pressure of air compressor is more than 6kgf/cm², and the steel nail thwacked more than 13mm.
2. Under the setting in this paper, it can be designed by The Concrete Engineering Design Code 401-106.
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