4.5
Plant, equipment and documentation (03 26xxx)
03 26001
undisturbed sample
soil (01) sample (01) obtained by specialist methods so that its content and structure are not appreciably altered by the sampling (01)
03 26002
plate bearing test
test (11 14010) to assess bearing characteristics (01) of ground (01) by loading a plate (01) in contact with undisturbed ground (01) and observing the effect (ISO 8930)
03 26003
standard penetration test
test (11 14010) in which a penetrometer (03 26052) is driven into soil (01) a standard distance with standard blows; the number of blows required is used to estimate soil (01) behaviour
03 26004
vane test
in situ test (11 14010) of cohesive soil (03 23005) using a measuring instrument (BS 6953) with a blade of cruciform cross-section that is rotated to measure (01) shear strength (01)
03 26005
triaxial compression test
laboratory test (11 14010) in which a cylindrical specimen (11 12001) of soil (01) or rock (03 23027) is subjected to simultaneous axial loading and radial confining pressure to determine its shear strength (01)
03 26006
unconfined compression test
compression (01) test (11 14010) on a cylindrical sample (01) of cohesive soil (03 23005) without lateral restraint
03 26007
Proctor test
one of a number of tests (11 14010) to determine the dry density/moisture content relationship (03 27004)
03 26008
sedimentation test
test (11 14010) to determine sizes (01) of fine particles by measuring (01) their rates of fall through a liquid at rest
03 26009
sheeting
boards or steel sheets (01) used to support the ground (01) in an excavation (01) or retained material (01)
03 26010
close sheeting
close timbering
pieces of sheeting (03 26009) placed close together to hold up the ground (01) in an excavation (01)
03 26011
open sheeting
open timbering
pieces of sheeting (03 26009) spaced at intervals in an excavation (01) to support ground (01) that is sufficiently firm to make close sheeting (03 26010) unnecessary
03 26012
trench sheet
NOTE Generally a cold rolled-steel section (01) installed vertically.
03 26013
timbering
temporary works (10 61001, 10 61002) in timber (01)
03 26014
rider shore
inclined shore (01) that springs from the upper surface of a raking shore (03 12029)
03 26015
back shore
jack shore
member laid on and fixed to the top of a raking shore (03 12029) and supported on the sole piece (03 26020), from which a rider shore (03 26014) is wedged
03 26016
waling
in timbering (03 26013), horizontal member supporting a cofferdam (01) wall (01) or sheeting (03 26009)
03 26017
face waling
face piece
03 26018
ground frame
top frame
frame (01) of walings (03 26016) and struts (01) set at or about ground level (01) as a guide for the first setting of runners (03 26027) or trench sheet (03 26012)
03 26019
shoring headtree
horizontal member placed immediately on the heads of dead shores (03 12027)
03 26020
sole piece
member in contact with the ground (01), on which the foot of a raking shore (03 12029) or dead shore (03 12027) rests
03 26021
needle
horizontal member inserted into or through a wall (01) and wedged up to provide support
03 26022
wall piece
vertical member placed in direct contact with a wall (01) to distribute the thrust from one or more shores (01)
NOTE Usually of timber (01).
03 26023
lip
lipping block
short length of timber (01), fixed to the top of a strut (01), that projects sufficiently beyond its end to rest on a waling (03 26016)
03 26024
lacing
lacing boards
in timbering (03 26013), members fixed to pairs of walings (03 26016), struts (01) or shores (01) to provide extra rigidity
03 26025
puncheon
03 26026
kicking piece
length of timber (01) fixed to a waling (03 26016) to take the thrust from the end of a strut (01) that is not at right angles to the waling (03 26016)
03 26027
runner
vertical member to support the sides or face of an excavation (01) and progressively driven or lowered as excavation (01) proceeds, its lower end being kept below the bottom of the excavation (01)
03 26028
guide runner
03 26029
poling board
sheeting (03 26009) in contact with the ground (01) and supporting the face or sides of an excavation (01)
NOTE Usually 1 m to 5 m long.
03 26030
setting
03 26031
cross poling
poling board (03 26029) placed horizontally across the face of a tunnel (01); in a trench (01) where runners (03 26027) or sheeting (03 26009) cannot be driven continuously and vertically, horizontally across a gap between runners (03 26027) or sheeting and tucked in behind them
03 26032
tucking frame
03 26033
tucking board
03 26034
soldier
vertical members that support walings (03 26016) or horizontal poling boards (03 26029)
03 26035
ground prop
in timbering (03 26013), post (01) between the lowest frame (01) and a foot block (03 26039) on the bottom surface of an excavation (01)
03 26036
base plate
plate (01) that distributes load (01) from one structural member (01) from a vertical or raking structural member (01)
03 26037
adjustable base plate
base plate (03 26036) embodying a screw jack (12 56030)
03 26038
sole plate
horizontal member that distributes load (01) from one structural member (01) from posts (01) or frames (01)
03 26039
foot block
03 26040
ledge
unframed member fixed across a board or boarding (01) to hold it (or them) together
03 26041
liner
in timbering (03 26013), a member driven between opposite members of a frame (01) to lock them in position
03 26042
page
short thin wedge (06 32230)
03 26043
cleat
03 26044
cutting-out piece
03 26046
guide frame
timber (01) frame (01) erected above ground level (01) as a guide for runners (03 26027) or sheet piling (01) or as a staging (01) from which they may be driven
03 26047
slope rail
rail (08 32002) fixed at an angle to indicate the slope (01) of earthworks (01) under construction (01)
03 26048
stank
small temporary dam (01)
03 26049
clay cutter
percussive boring tool (01), used in cohesive soils (03 23005), that consists of an open-ended steel tube (01) to which a cutting shoe is attached
03 26050
shell
percussive boring tool (01), used in granular soils (03 23013), that consists of an open-ended steel tube (01) to which a cutting shoe is attached and that carries a flap valve (01) at its lower end to prevent material falling out
03 26051
soil sampler
03 26052
penetrometer
measuring instrument (BS 6953) that establishes the resistance of ground (01) to penetration
03 26053
piezometer
03 26054
slip indicator
device inserted vertically into sloping soil (01) mass to measure (01) distortions due to soil (01) movements and to monitor slope stability (03 27045)
NOTE Usually a small diameter tube (01).
03 26055
tube-a-manchette
steel tube (01) approximately 50 mm diameter with perforations at 300 mm centres over a limited length (01), the perforations being covered by pliable sleeves
03 26056
shot
03 26057
blasting agent
mixture for blasting (03 24022) that does not contain self explosive (BS 5607) ingredients such as nitroglycerine or TNT
NOTE This term is not used in official British classifications.
03 26058
firing circuit
circuit that connects the exploder (BS 5607) to one or more detonators (BS 5607)
03 26059
connecting wire
electric (07 17002) cable (01), used only once, that forms part of the firing circuit (03 26058) within the blast area (BS 5607)