Design construction Flashcards by Ryan Martin

Q

Types of sleepers

A

Steel, wood, concrete

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Q

Jointed track requires

A

Fishplate

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Q

Ballast made from

A

Granite

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Q

Ballast used to be made from

A

Limestone, ash

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Q

Ballast assists with

A

Drainage

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Q

Shape of ballast

A

Sharp, angular

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Q

Size of the ballast

A

25, 64mm

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Q

Function of ballast

A

Vertical lateral stability, adjusted, drainage, spread load

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Q

Ballast not on?

A

Components

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Q

Ballast filling called

A

Profiling

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Q

Types of wood in the sleepers

A

Hard and soft

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Q

Holes in wooden sleepers with

A

Sleeper drill

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Q

Concrete sleepers benefits

A

Durable

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Q

Worst sleepers

A

Steel

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Q

Track at the college

A

Slabtrack

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Q

Longitude sleepers used

A

Bridges

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Q

Parts of a rail

A

Head web foot

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Q

Types of rail

A

Bullhead, flatbottom

Q

Inclined track towards?

A

4 foot

Q

Bullhead requires

A

Chairs keys

Q

Heat causes

A

Expand

Q

Cold causes

A

Contraction

Q

Types of keys

A

Wooden, Panlock, steel

Q

Ferrules how much showing

A

6mm

Q

Pads for

A

Cushion impact

Q

What is an insulator

A

Stops flow of heat electricity

Q

Toe load of pandrol clip

A

650kg

Q

Types of track

A

CWR, Long welded, Jointed, s and c

Q

Stressing with

A

Tensors

Q

Heat stressing for

A

27 degrees

Q

GCC stand for

A

Gauge corner cracking

Q

GCC caused?

A

Hatfield

Q

Crossfall

A

1;20 1;40

Q

Water in track called

A

Wetbeds

Q

Happens to wetbeds not treated

A

Slurried

Q

Track gauge

A

Distance between running edge of two rails

Q

Cant

A

Tilted in rail to go round bends

Q

1

A

Fish plate

Q

2

A

spike

Q

3

A

Bolt

Q

6

A

ballast

Q

5

A

insulator

Q

7

A

Sleepers

Q

rail

A

8