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If L is the length of transition curve and R is the radius of circular curve, then the shift of the curve is directly proportional to
- a)R and 1/L2
- b)1/R and L2
- c)1/R2 and L
- d)R2 and ML
Correct answer is option 'B'. Can you explain this answer?
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If L is the length of transition curve and R is the radius of circular...
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If L is the length of transition curve and R is the radius of circular...
Explanation:
Shift of curve refers to the amount by which the circular curve is shifted laterally from its initial position. The shift of curve is directly proportional to 1/R and L2, where R is the radius of circular curve and L is the length of the transition curve.
Transition curve is a curve that is provided between a straight track and a circular curve. The purpose of the transition curve is to provide a gradual and smooth transition from a straight track to a circular curve. The length of the transition curve depends on the speed of the train and the radius of the circular curve. The longer the transition curve, the smoother the transition from a straight track to a circular curve.
Circular curve is a curve that is provided on a railway track to change the direction of the track. The radius of the circular curve depends on the speed of the train and the degree of curvature required. The sharper the curve, the smaller the radius.
The shift of the curve is directly proportional to 1/R and L2 because:
1. The shift of the curve depends on the radius of the circular curve. The sharper the curve, the greater the shift required. Therefore, the shift of the curve is directly proportional to 1/R.
2. The shift of the curve also depends on the length of the transition curve. The longer the transition curve, the smoother the transition from a straight track to a circular curve. Therefore, the shift of the curve is directly proportional to L2.
Therefore, the shift of the curve is directly proportional to 1/R and L2, which is option B.
Shift of curve refers to the amount by which the circular curve is shifted laterally from its initial position. The shift of curve is directly proportional to 1/R and L2, where R is the radius of circular curve and L is the length of the transition curve.
Transition curve is a curve that is provided between a straight track and a circular curve. The purpose of the transition curve is to provide a gradual and smooth transition from a straight track to a circular curve. The length of the transition curve depends on the speed of the train and the radius of the circular curve. The longer the transition curve, the smoother the transition from a straight track to a circular curve.
Circular curve is a curve that is provided on a railway track to change the direction of the track. The radius of the circular curve depends on the speed of the train and the degree of curvature required. The sharper the curve, the smaller the radius.
The shift of the curve is directly proportional to 1/R and L2 because:
1. The shift of the curve depends on the radius of the circular curve. The sharper the curve, the greater the shift required. Therefore, the shift of the curve is directly proportional to 1/R.
2. The shift of the curve also depends on the length of the transition curve. The longer the transition curve, the smoother the transition from a straight track to a circular curve. Therefore, the shift of the curve is directly proportional to L2.
Therefore, the shift of the curve is directly proportional to 1/R and L2, which is option B.
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If L is the length of transition curve and R is the radius of circular curve, then the shift of the curve is directly proportional toa)R and 1/L2b)1/R and L2c)1/R2 and Ld)R2 and MLCorrect answer is option 'B'. Can you explain this answer?
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