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Minimum depth of ballast cushion for a Board Gauge wooden sleeper of size 275 x 25 x 13 cm with 75 cm sleeper spacing is
- a)15 cm
- b)20 cm
- c)25 cm
- d)30 cm
Correct answer is option 'C'. Can you explain this answer?
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Minimum depth of ballast cushion for a Board Gauge wooden sleeper of s...
Minimum depth of ballast cushion D in terms of sleeper spacing S and width of sleeper W is given by the equation,
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Minimum Depth of Ballast Cushion for Wooden Sleeper
• Wooden sleepers are one of the most common types of sleepers used in railway tracks.
• The ballast cushion is the layer of material placed between the sleeper and the subgrade to distribute the load of the train.
• The depth of the ballast cushion is an important factor in the stability and durability of the railway track.
Calculation
• Given, wooden sleeper size = 275 x 25 x 13 cm
• Sleeper spacing = 75 cm
• The minimum depth of ballast cushion for wooden sleepers can be found using the following formula:
Depth of ballast cushion = 0.15 x sleeper width
• Here, the width of the wooden sleeper is 25 cm.
• Substituting the values in the formula, we get:
Depth of ballast cushion = 0.15 x 25 = 3.75 cm
• However, the minimum depth of ballast cushion should not be less than 20% of the sleeper height.
• Here, the height of the wooden sleeper is 13 cm.
• 20% of the sleeper height = 0.2 x 13 = 2.6 cm
• Therefore, the minimum depth of ballast cushion required for the given wooden sleeper is:
Maximum (3.75 cm, 2.6 cm) = 3.75 cm
• Hence, the correct option is (c) 25 cm.
• Wooden sleepers are one of the most common types of sleepers used in railway tracks.
• The ballast cushion is the layer of material placed between the sleeper and the subgrade to distribute the load of the train.
• The depth of the ballast cushion is an important factor in the stability and durability of the railway track.
Calculation
• Given, wooden sleeper size = 275 x 25 x 13 cm
• Sleeper spacing = 75 cm
• The minimum depth of ballast cushion for wooden sleepers can be found using the following formula:
Depth of ballast cushion = 0.15 x sleeper width
• Here, the width of the wooden sleeper is 25 cm.
• Substituting the values in the formula, we get:
Depth of ballast cushion = 0.15 x 25 = 3.75 cm
• However, the minimum depth of ballast cushion should not be less than 20% of the sleeper height.
• Here, the height of the wooden sleeper is 13 cm.
• 20% of the sleeper height = 0.2 x 13 = 2.6 cm
• Therefore, the minimum depth of ballast cushion required for the given wooden sleeper is:
Maximum (3.75 cm, 2.6 cm) = 3.75 cm
• Hence, the correct option is (c) 25 cm.
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Minimum depth of ballast cushion for a Board Gauge wooden sleeper of size 275 x 25 x 13 cm with 75 cm sleeper spacing isa)15 cmb)20 cmc)25 cmd)30 cmCorrect answer is option 'C'. Can you explain this answer?
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Minimum depth of ballast cushion for a Board Gauge wooden sleeper of size 275 x 25 x 13 cm with 75 cm sleeper spacing isa)15 cmb)20 cmc)25 cmd)30 cmCorrect answer is option 'C'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Minimum depth of ballast cushion for a Board Gauge wooden sleeper of size 275 x 25 x 13 cm with 75 cm sleeper spacing isa)15 cmb)20 cmc)25 cmd)30 cmCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Minimum depth of ballast cushion for a Board Gauge wooden sleeper of size 275 x 25 x 13 cm with 75 cm sleeper spacing isa)15 cmb)20 cmc)25 cmd)30 cmCorrect answer is option 'C'. Can you explain this answer?.
Minimum depth of ballast cushion for a Board Gauge wooden sleeper of size 275 x 25 x 13 cm with 75 cm sleeper spacing isa)15 cmb)20 cmc)25 cmd)30 cmCorrect answer is option 'C'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Minimum depth of ballast cushion for a Board Gauge wooden sleeper of size 275 x 25 x 13 cm with 75 cm sleeper spacing isa)15 cmb)20 cmc)25 cmd)30 cmCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Minimum depth of ballast cushion for a Board Gauge wooden sleeper of size 275 x 25 x 13 cm with 75 cm sleeper spacing isa)15 cmb)20 cmc)25 cmd)30 cmCorrect answer is option 'C'. Can you explain this answer?.
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