Proceedings of the KSR Conference (한국철도학회:학술대회논문집)
- 2011.10a
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- Pages.3251-3255
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- 2011
Shear Key Design of Concrete Track on Bridge
교량구간 콘크리트궤도의 전단키 설계
- Published : 2011.10.20
Abstract
Being the concrete track laid on bridge, due to track-bridge temperature difference, traction and brake force, and nosing force, the horizontal force can be applied to the track slab. Therefore, shear key structures to resist this horizontal force should be installed. The shear key structures installed in the Kyeong-Bu high-speed line are consisted of four shear keys at every slab with the length of 6 to 8m. However, in the point of view of construction, it is more advantageous to curtail the numbers of shear keys, and thus, the numbers and spacing of the shear keys should be carefully determined. In this study, hence, the effects of slab length, the numbers and spacing of the shear keys on design of shear key and track slab are examined.
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