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Calculate the minimum depth of ballast cushion required if spacing of sleeper is 120 cm and width of one sleeper is 20 cm.
- a)70 cm
- b)55 cm
- c)50 cm
- d)120 cm
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Calculate the minimum depth of ballast cushion required if spacing of ...
Optimum Depth of ballast cushion = (s-w)/2
Where,
s = Spacing of sleepers
w = Bottom width of sleeper
Calculation:
Given,
s = 120 cm and w = 20 cm
Optimum Depth of ballast cushion =
Where,
s = Spacing of sleepers
w = Bottom width of sleeper
Calculation:
Given,
s = 120 cm and w = 20 cm
Optimum Depth of ballast cushion =
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Calculate the minimum depth of ballast cushion required if spacing of ...
Understanding Ballast Cushion Depth
To determine the minimum depth of the ballast cushion required, we need to consider the spacing and dimensions of the sleepers.
Given Data:
- Spacing of sleeper: 120 cm
- Width of one sleeper: 20 cm
Calculation of Effective Width:
- The effective width that needs to be supported by the ballast is calculated by considering the spacing between the sleepers and their width.
- Since the sleepers are spaced 120 cm apart and each sleeper takes up 20 cm, we calculate the total effective width that the ballast needs to support.
Calculation Steps:
1. Calculate the Available Space for Ballast:
- Total space between two sleepers = 120 cm
- Width of one sleeper = 20 cm
- Space available for ballast = Total space - Width of sleeper
- Space available for ballast = 120 cm - 20 cm = 100 cm
2. Determine Minimum Depth of Ballast Cushion:
- The minimum required depth of the ballast cushion typically is a fraction of the available space for stability.
- Common engineering practice might suggest a minimum depth that can be approximated around 50% of the available space for effective distribution and stability.
Conclusion:
- Based on the calculations and standard practices, the minimum depth of ballast cushion is estimated to be around 50 cm.
- Hence, the correct answer is option 'C' - 50 cm.
This depth ensures stability and provides adequate support for the railway sleepers, promoting safety and longevity of the track structure.
To determine the minimum depth of the ballast cushion required, we need to consider the spacing and dimensions of the sleepers.
Given Data:
- Spacing of sleeper: 120 cm
- Width of one sleeper: 20 cm
Calculation of Effective Width:
- The effective width that needs to be supported by the ballast is calculated by considering the spacing between the sleepers and their width.
- Since the sleepers are spaced 120 cm apart and each sleeper takes up 20 cm, we calculate the total effective width that the ballast needs to support.
Calculation Steps:
1. Calculate the Available Space for Ballast:
- Total space between two sleepers = 120 cm
- Width of one sleeper = 20 cm
- Space available for ballast = Total space - Width of sleeper
- Space available for ballast = 120 cm - 20 cm = 100 cm
2. Determine Minimum Depth of Ballast Cushion:
- The minimum required depth of the ballast cushion typically is a fraction of the available space for stability.
- Common engineering practice might suggest a minimum depth that can be approximated around 50% of the available space for effective distribution and stability.
Conclusion:
- Based on the calculations and standard practices, the minimum depth of ballast cushion is estimated to be around 50 cm.
- Hence, the correct answer is option 'C' - 50 cm.
This depth ensures stability and provides adequate support for the railway sleepers, promoting safety and longevity of the track structure.
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Calculate the minimum depth of ballast cushion required if spacing of sleeper is 120 cm and width of one sleeper is 20 cm.a)70 cmb)55 cmc)50 cmd)120 cmCorrect answer is option 'C'. Can you explain this answer?
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