U字彙

U-turn
U-turn lane
U-value

ultimate bearing pressure
ultimate disposal
ultimate disposal
ultimate limit state
ultimate load
ultimate load design
ultimate moment
ultimate oxygen demand
ultimate oxygen demand
ultimate shear
ultimate shear strength
ultimate shear stress
ultimate strength
ultimate strength design
ultimate tensile stress
ultimate-design resisting moment
ultimate-strength design

ultra high frequency
ultra sonic test
ultra-thin whitetopping
ultra-thin whitetopping overlay
ultra-violet (UV)
ultra-violet inhibitor

ultrasonic
ultrasonic detector
ultrasonic flaw-detection test
ultrasonic inspection
ultrasonic inspection
ultrasonic testing

ultraviolet radiation
unbound base course
unbounded tendon
uncased pile
unchannelized intersection
uncoupling
uncultivated farmland
underbed
undercoat paint
undercurrent
underdrain of filter
undermining blast
underpass
undershoot
undersize
undeveloped area
undock
unemployed population
uneven road
unhardened concrete
uniformly distributed load
unitary air conditioning equipment
United States Green Building Council (USGBC)
unitting of lots
unitube
unknown matrix
unlighted buoy
unloading
unopened harbor
unpacked goods
unpaid area
unprotected harbor
unreinforced concrete
unscreened gravel
unseaworthiness
unshaded window
unship
unshored construction
unsuitable material
unsupervised classification
unsupported length of pile
unsustainable practice
up-surging
upcycling 
upheaval
upland irrigation
urbanism
urbanization
urbanscape
usable strength
utilitarian architecture
utilities
utopia
utopism

unaccounted for water
unaccounted for water

unbonded concrete overlay
unbonded member
unbonded post-tensioning
unbonded tendon
unbonded tendon

unbraced frame
unbraced length
unbraced length of column

unconfined groundwater
unconfined groundwater

uncontrolled crack
uncontrolled mosaic

uncoursed masonry
uncoursed masonry

uncovered rock
uncovered rock

undamped free vibration
undamped vibration

under cooling
under cooling
under correction
under cure
under cut
under damping
under platform exhaust system
under-reinforced beam
under-reinforced beam
under-truck grader

undercut
undercut anchor

underdrained settling basin
underdrained settling basin

underground alignment
underground alignment
underground building reverse construction
underground crossing
underground drainage
underground hydrant
underground hydrant
underground levelling
underground parking lot
underground power station
underground railway
underground station
underground storage tank removal
underground structure protection and grouting
underground surveying
underground transmission line
underground transmission line
underground water
underground water course
underground water table

underpinning
underpinning post

undersanded
undersanded

underwater blasting
underwater concrete
underwater concreting
underwater gradient
underwater pump
underwater pump
underwater rock drill

undisturbed
undisturbed soil
undisturbed soil sample

undivided highway
undivided road

undrained analysis
undrained condition
undrained shear test
undrained state

unfactored force
unfactored load
unfactored load

unfiltered water
unfiltered water

unfreezable tap
unfreezable tap

unidirectional composite
unidirectional eutectic alloy
unidirectional fiber reinforced material
unidirectional laminate

unification intake
unification intake

uniform accelerated motion
uniform acceleration
uniform varying motion

uniformity
uniformity coefficient

union station
union track
union-melt welding

unit area drainage discharge
unit cost contract
unit discharge
unit hydrograph
unit load
unit load method
unit load transportation
unit masonry
unit matrix
unit paver
unit power substation
unit price
unit price analysis
unit price contract
unit rainfall
unit strain
unit water content
unit water use
unit water use
unit weight
unit-cost contract

universal design
universal joint
universal motor
universal plotting instrument
universal testing machine
universal time
Universal Transverse Mercator (UTM) projection
universal-mill plate

unladen weight
unladen weight

unloaded chord
unloaded hole

unmanned aerial system (UAS)
unmanned aerial vehicle (UAV)
unmanned aircraft system (UAS)
unmanned aviation system (UAS)
unmanned operation

unsaturated alkyd resin
unsaturated polyester resin
unsaturated zone

unsawn timber
unsawn timber

unsound
unsound aggregate

unstable channel
unstable equilibrium
unstable structure

unstiffened suspension bridge
unstiffened suspension bridge

untreated sleeper
untreated tie

unwatched light
unwatched lighthouse

upflow coagulation
upflow coagulation
upflow contact clarifier
upflow contact clarifier

uplift
uplift beam

upper bound load
upper bound solution
upper bound theorem
upper circle
upper clearance
upper explosive limit
upper plate slow motion screw
upper transit

upstream apron
upstream slope

upward line
upward ventilation

urban air canopy
urban air dome
urban amenity
urban area
urban boundary layer
urban canopy
urban canyon
urban climate
urban climate
urban climatology
urban conservation
urban decline
urban density
urban design
urban design
urban design
urban development
urban development area
urban development pattern
urban development planning
urban development policy
urban disaster
urban disaster prevention plan
urban economy
urban ecosystem
urban environment
urban expansion
urban expressway
urban finance
urban forest
urban form
urban fringe
urban function
urban functional area
urban geography
urban glare
urban health
urban heat island
urban hierachy
urban hierarchy
urban history
urban hydrology
urban image
urban information system
urban land
urban land policy
urban morphology
urban nuisance
urban park
urban pathology
urban pattern
urban place
urban plan
urban planning
urban planning
urban planning commission
urban planning law
urban planning law
urban planning legislation
urban planning organization
urban planning standard
urban plume layer
urban population
urban population density
urban population size
urban population size
urban problem
urban railway
urban rebuilding
urban redevelopment
urban redevelopment work
urban regeneration
urban rehabilitation
urban renewal
urban renewal area
urban renewal plan
urban renewal program
urban scale
urban service
urban sociology
urban space
urban sprawl
urban square
urban structure
urban studies
urban study area
urban traffic
urban transportation
urban transportation planning
urban transportation system
urban ventilation
urban wind field

urbanized area
urbanized area

use district
use zoning

utility material
utility system protection

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