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An Encyclopaedia of civil engineering : historical, theoretical and practical : illustrated by upwards of three thousend engravings on wood by R. Branston / by E. Cresy
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Chat. XIV*.

ON PILES AND PILE-DRIVING.

1083

Details of De Cessart's Machine for cutting off the Heads of Piles , given in French

Measures.

First: Horizontal Move -ments.

The semicircle, A:, attachedto the saw comprising themachoires, &c.

Width

Thickness

The two branches, Y.Length -WidthThicknessHalf circle, X.

Length -Width -Thickness2 branches of ditto.

Length -WidthThicknessEntretoise, Z, Z.

Length -WidthThicknessChannel, U.

Length of two sides -WidthThicknessSupports, S, S.

The three wheelsBranches, M,M.

Length -WidthThicknessButtress arches, V.

Length -WidthThicknessIrons, J,J.

Length -

Width

Thickness

2 entretoises, L, L, of thecentral movement.Length -Width - - -

ThicknessEntretoises, T, T.

Length -

Width

Thickness

2 teethed-wheeis andpinions.

The two wheelsThe two pinionsThe two large levers, H, H.Length of the two -WidthThickness

Total cubical content ofthe first movement

Weight in pounds of 16 07 ..,and taking 3 cube inchesas equal to 1 pound, 291I lbs. 5 oz. 44 grains.

i Second: Vertical Move-j ments.

: Equilateral triangle, P.

Length ...Width

I ThicknessEntretien of the levers.Length ...WidthThickness

The cover of theangle ...2 balances, G,G.

length togetherWidthThicknessThe tw-o covers

Carried forward

i 8020

! 30

1

i 0

< 48

I 1| 0

I 30

1 1

1 °

44

1

i 0

'mi oI o

i

i

i

: 120

i o

1

236

2

0

*}

8 J

192

2

5}

•}

:}

Cube quan-titjr of iron.

847 6 6

102

20

35?

Brought forward2 iron arms, C», G, I.

Length .

Width -ThicknessHandle, I.

Length -Diameter -

Total cube of second

movement - - -

Weight 1861bs. lOoz. 1 gr.ii Great iron frame, A A.it Plates added together

'i Width

j Thickness

| Channels. R, for the regu-1 lation of the triangle1 Length of two sides -

! Height -

Thickness

Iron plates cast for ditto.

! Length ...

Width -j Thickness

t Supports of the channel.

' The four ...

I The two which sustain

j the balance|! The two uprights .Pieces attached2 channels, Q. Q, which oc-:l casion motion tothe saw.

! Length of two sides -

WidthThickness

Iron supports of first,i Length of the three

! bands -

WidthThickness

!, The guide which envelopesthe grappling ironsj The round

I Width

Thickness

, Bands of iron, D, whichj maintain the plateagainst the pile.

I Length of the 2 bands

I Width

; Thickness

■ Total iron-work of thej great plate

! Weight 369 lbs. 1 oz. 2g gr..Irons which change themovement on the plate.

6 uprights, each 8 in.high, and the piecesattached -6 tail piecesChannels.

Length -Height -Thickness

Total -

Weight 22lbs.9oz.2fi gr.The griping pieces, F,F.Length -WidthThicknessUprights, E, E.

Length -Thickness2 keys, b, b.

Length -Thickness

Total -

Weight 174 lbs. 10 or.

198 0 11 6 }0 6 J

54 0 7

i o 5

826

3

0

1}

0 1

S i

•}

24 02 00 4

64 0 "I

i 3 y

0 3 J

44 0 1

1 3 *

0 3 J

Cube quan-tity of iron.

In. Lines.

i 357 5

! 148 6

!

j 54 0559 11

722 9

108 0

40 6

8 0

42 060 0M 0

54 0

22 0

16 0

20 0

1107 3

48 06 0

13 9

67 9

GO 0

392 0

72 0524 0