Elements of Trench WarfareWaldron, William H. (William Henry)
History
Elements of Trench Warfare
Waldron, William H. (William Henry)
Intrenchments; Siege warfare
_To build a fascine_, straight pieces of brush, 1 or 2 inches at the
butt, are laid on, the butts projecting at the end 1 foot beyond
the trestle. Leaves should be stripped and unruly branches cut off,
or partially cut through, so that they will lie close. The larger,
straighter brush should be laid on the outside, butts alternating in
direction, and smaller stuff in the center. The general object is to so
dispose the brush as to make the fascine of uniform size, strength, and
stiffness from end to end.
When the cradle is nearly filled, the fascine is compressed or _choked_
by the _fascine choker_ (Plate 30), which consists of two bars, 4 feet
long, joined 18 inches from the ends by a chain 4 feet long. The chain
is marked at 14 inches each way from the middle by inserting a ring or
special link. To use, two men standing on opposite sides pass the chain
under the brush, place the short ends of the handles on top and pass
the bars, short end first, across to each other. They then bear down on
the long ends until the marks on the chain come together. Chokers may
be improvised from sticks and rope or wire.
[Illustration: PLATE 30.—Method of using the fascine choker.]
_Binding_ will be done with a double turn of wire or tarred rope. It
should be done in twelve places 18 inches apart, the end binders 3
inches outside the end trestles. To bind a fascine will require 66 feet
of wire.
Improvised binders may be made from rods of live brush; hickory or
hazel is the best. Place the butt under the foot and twist the rod to
partially separate the fibers and make it flexible. A rod so prepared
is called a _withe_. To use a withe, make a half-turn and twist at
the smaller end. Pass the withe around the brush and the large end
through the eye. Draw taut and double the large end back, taking two
half-hitches over its own standing part.
_A fascine revetment_ is made by placing the fascines as shown in Plate
31. The use of headers and anchors is absolutely necessary in loose
soils only, but they greatly strengthen the revetment in any case. A
fascine revetment _must always be crowned_ with sod or bags.
[Illustration: PLATE 31.—Fascine revetment.]
In all brush weaving the following terms have been adopted and are
convenient to use:
_Randing._—Weaving a single rod in and out between pickets.
_Slewing._—Weaving two or more rods together in the same way.
_Pairing._—Carrying two rods together, crossing each other in and out
at each picket.
_Wattling._—A general term applied to the woven part of brush
construction.
A _hurdle_ is a basket work made of brushwood. If made in pieces the
usual size is 2 feet 9 inches by 6 feet, though the width may be varied
so that it will cover the desired height of slope.
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