Welcome to the ‘Knowledge‘ section of Darda GmbH.
Here, we provide clear and concise explanations of key technical terms from the fields of demolition, crushing, and special hydraulics, as well as related areas of construction. Our knowledge section makes technical expertise transparent and supports well-informed decisions and efficient work.
Definitions and explanations from A to Z
A 36 definitions
- Aac block
- Aac demolition
- Accumulator
- Adapter plate
- Air duct
- Air injection system
- Airborne sound
- Airflow control
- Airtightness
- Alternative bid in construction
- Anchor
- Anchor drilling
- Anchor plate
- Anchor pull-out test
- Anchors
- Ancillary construction costs
- Angle of friction
- Annual inspection
- Annual performance
- Annular space
- Annulus grouting
- Apparent density
- Aquifers
- Armor steel
- Armored slab
- Asbestos
- Asbestos remediation
- Ashlar stone
- Ashlar wall
- Atex zone
- Attachment
- Attachment hammer
- Attachment integration
- Attachment shear
- Auger drive unit
- Autoclaved aerated concrete
B 32 definitions
- Back wall
- Backwater level
- Backwater valve
- Base load
- Basket weave
- Blast hole drilling
- Blast pressure
- Blasting concrete
- Blasting effect
- Blasting permit
- Blasting plan
- Blasting technology
- Blasting test
- Blasting works
- Boiler house demolition
- Bored pile foundation
- Borehole drilling
- Box foundation
- Bracing
- Breaker hammer
- Breakout
- Breakout wedge
- Breakthrough
- Breakthrough stabilization
- Brick slip cladding
- Brush plaster
- Bucket wheel
- Building acoustics
- Building construction
- Building gutting
- Bulk material pulverizer
- Bypass road construction
C 169 definitions
- C-section steel profile
- Cable anchoring
- Cable cutter
- Cable cutters
- Cable demolition
- Cable duct
- Cable guidance
- Cable pulley
- Cable shaft
- Cadastral plan
- Calcium silicate brick
- Cap formwork
- Carbon footprint
- Carbonation
- Cargo crane
- Casing pipe
- Cast-in-place concrete
- Cast-in-place concrete wall
- Cast-in-place foundation
- Casting methods
- Casting mold
- Ce marking
- Ceiling beam
- Ceiling demolition
- Ceiling opening
- Ceiling prop
- Ceiling thickness
- Cem i
- Cem ii
- Cem iii
- Cem iv cement
- Cem v
- Certified disposal company
- Chain conveyors
- Chemical demolition method
- Chisel
- Chisel holder
- Chisel machine
- Chisel paste
- Chisel tool
- Chloride contamination
- Chromate reduction
- Circle cutter tool
- Circular saw
- Cleanroom deconstruction
- Clinker façade
- Clinker masonry
- Co₂ reduction
- Collapse protection system
- Collet
- Commissioning
- Compact excavator
- Compact loaders
- Compaction roller
- Compactor attachment
- Compensation grounding
- Composite construction material
- Comprehensive refurbishment
- Compressed air
- Compressed air line
- Compressed air technology/system
- Compression test
- Compressor
- Compressor station facility
- Concrete admixtures
- Concrete compaction
- Concrete compressive strength
- Concrete cores
- Concrete curing
- Concrete cutter
- Concrete cutting
- Concrete deconstruction
- Concrete demolition
- Concrete demolition shear
- Concrete drilling
- Concrete foundation
- Concrete gutting
- Concrete material
- Concrete processing
- Concrete pulverizer
- Concrete rebound losses
- Concrete repair
- Concrete separation/cutting
- Concrete slab
- Concrete splitters
- Concrete structure
- Concrete wall
- Conditioning
- Cone crushers
- Connection thread
- Construction contract
- Construction debris
- Construction emergency plan
- Construction industry
- Construction logistics
- Construction power supply
- Construction project management
- Construction regulatory framework
- Construction site
- Construction site cooling system
- Construction site emergency lighting
- Construction site escape route
- Construction site power connection
- Construction site safety
- Construction site signal transmitter
- Construction site waste container
- Construction site waste disposal
- Construction time forecast
- Construction waste
- Construction waste disposal
- Construction waste recycling
- Construction waste separation
- Container debris
- Container parking area
- Container service
- Container supply service
- Contaminated sites
- Contour blasting
- Control cabinet
- Control measurement
- Controlled demolition
- Conveying capacity
- Conveying height
- Conveyor belt
- Core drilling
- Core drilling rig
- Core extraction
- Corrosion protection
- Corrosion protection system
- Corrosion test
- Coupling piece
- Coupling pieces
- Cove joint
- Coverage ratio construction
- Crack formation
- Crack grouting
- Crack injection
- Crack monitoring
- Crane assembly
- Crane cabin
- Crane control
- Crane counterweight
- Crane jib boom
- Crane runway
- Crane track
- Crane weight
- Crawler excavator
- Crawler undercarriage
- Creep behavior
- Cross beams
- Cross bracing
- Cross joint
- Cross profile
- Cross wall
- Cross-section
- Cross-sectional area
- Crusher bucket
- Crushing deformation
- Crushing force
- Crushing hazard
- Curb
- Cut
- Cut-off wall
- Cutting edge
- Cutting tool
- Cutting torch
- Cutting wedge
- Cutting wheel
- Cyanide contamination
D 65 definitions
- Decentralization of energy supply
- Declaration of conformity
- Deconstruction
- Deconstruction area
- Deconstruction company
- Deconstruction concept
- Deconstruction costs
- Deconstruction documentation
- Deconstruction methods
- Deconstruction notice
- Deconstruction permit
- Deconstruction planning
- Deconstruction protocol
- Deconstruction remediation
- Deconstruction report
- Deconstruction service provision
- Deconstruction supervision
- Deconstruction tool
- Demolition edge
- Demolition excavator
- Demolition hammer
- Demolition logistics center
- Demolition material
- Demolition methods
- Demolition notice
- Demolition permit
- Demolition project planning
- Demolition pulverizers
- Demolition robots
- Demolition section
- Demolition separation
- Demolition sorting
- Demolition tool
- Demolition works
- Dewatering borehole
- Diaphragm wall
- Diaphragm wall construction method
- Diaphragm wall cutter
- Diaphragm wall panel
- Die
- Din 1045
- Din 19700
- Din 4020
- Din standard
- Dismantling
- Dismantling logistics
- Dismantling methods
- Dismantling tool
- Disposal
- Double-layer reinforcement
- Dragline excavators
- Drain pipe
- Drainage
- Drainage channel
- Drainage layer
- Drill bit
- Drilling drive unit
- Drilling rig
- Drilling technology/methods
- Drive power
- Drop hammer
- Drop shaft
- Drop weight
- Dust extraction plant
- Dust removal
E 33 definitions
- Earth auger drill
- Earth pressure
- Earth resistance
- Earthworks
- Edge beam
- Edge cut
- Edge demolition
- Edge distance
- Edge formwork
- Edge foundation
- Edge milling machine
- Edge plinth
- Edge protection
- Edge reinforcement
- Edge shoring
- Elevator shaft
- Emergency exit
- Entry shaft
- Equipment protection system
- Escape route
- Excavation
- Excavation of pit
- Excavation pit
- Excavator attachment
- Excavator bucket
- Excavator grapple
- Excavator magnet
- Excavator quick coupler
- Excavator size class
- Expansion joint
- Explosive charge
- Explosives
- Exposure of utilities
F 59 definitions
- Fabric reinforcement
- Façade deconstruction
- Façade dismantling
- Façade refurbishment
- Fall direction
- Fall protection
- Felling cut
- Fibre addition
- Fibre-reinforced concrete
- Field trial/test
- Fillet weld joint
- Fine dust
- Fine dust exposure
- Fine dust filter
- Fire protection
- Fire protection renovation/upgrade
- Firefighting water pipe
- Firefighting water reserve
- Fit-out
- Fitting piece
- Flange joint
- Flat roof demolition
- Flat roof renovation
- Floor plan opening
- Floor remediation (concrete repair)
- Flowable backfill material
- Flowing concrete
- Fluorite
- Follow-up pressure
- Foreman’s plan
- Foreman’s report
- Forklifts
- Formwork
- Formwork anchor
- Formwork element
- Formwork frames
- Formwork girders
- Formwork plan
- Formwork plank
- Formwork scaffold
- Formwork sheathing
- Formwork system
- Formwork timber
- Foundation
- Foundation base
- Foundation beams
- Foundation demolition
- Foundation earth electrode
- Foundation methods
- Foundation remnant
- Foundation slab
- Foundation strengthening
- Foundation trimming
- Foundation type
- Fragment compressive stress
- Freight elevator
- Frictional resistance
- Frost penetration depth
- Frost protection
G 40 definitions
- Gabion wall
- Gap closure construction
- Gas blasting
- Gas cylinder
- Gas pipe
- Generator set on the construction site
- Geologist’s report
- Geotechnics
- Geotextile
- Glass block
- Glass demolition
- Glass door dismantling
- Glass fiber reinforced concrete
- Glass recycling
- Grading excavator bucket
- Granite block
- Granite extraction
- Granite plant
- Granite quarry
- Granite quarrying
- Granite surface
- Gravel
- Gravel pit
- Gravel plant
- Grid dimension
- Ground freezing method
- Ground level
- Ground vibration monitoring
- Ground-penetrating radar
- Groundbreaking ceremony
- Groundwater contamination
- Groundwater level
- Groundwater lowering
- Groundwater protection
- Guardrail
- Guardrail cutter tool
- Gusset plate
- Gutter
- Gutting works
- Gyratory crusher
H 48 definitions
- Hand hammer
- Hand saw
- Hand tool
- Handheld tool
- Haulage logistics
- Hazard analysis
- Hazardous goods
- Hazardous substance
- Hazardous substance storage
- Hazardous substances regulation
- Hearing protection
- Heating methods
- Heavy haulage
- Heavy load
- Heavy-duty anchors
- Heavy-duty crane
- Heavy-duty floor
- Heavy-duty scaffold
- Heavy-duty slab
- High-performance concrete
- High-pressure cleaners
- High-pressure hydraulics
- High-pressure injection
- Hinge connection
- Hollow concrete block
- Hollow drill bits
- Horizontal barrier
- Horizontal cut
- Hose bore
- Hose line
- Hose press
- Hot-dip galvanizing
- Hydration
- Hydraulic breaker
- Hydraulic connection
- Hydraulic control
- Hydraulic demolition shear
- Hydraulic fluid
- Hydraulic hose
- Hydraulic line
- Hydraulic pump
- Hydraulic rotation
- Hydraulic shear
- Hydraulic splitter
- Hydraulic valve
- Hydraulic wedge splitters
- Hydraulics
- Hydrophobization
I 26 definitions
- Inclined installation
- Inclined pull
- Industrial crane
- Industrial deconstruction
- Industrial demolition work
- Industrial hall
- Infill densification
- Injection drilling
- Injection method
- Injection pressure
- Injection resin
- Injection technology/methods
- Insertion method
- Inspection opening
- Inspection shaft
- Installation drawing
- Installation height
- Insulating glass unit
- Insulating material
- Insulation
- Insulation testing
- Interference fit
- Interior demolition
- Interior wall breakthrough
- Interior wall opening
- Internal vibrator
J 2 definitions
K 1 definition
L 42 definitions
- Laboratory evaluation
- Lamp holder unit
- Landfill
- Landfill capacity
- Landfill permit/approval
- Landfill regulation
- Landslide
- Lattice girder beam
- Lattice tower/mast
- Layer composite
- Layer thickness
- Leakage test
- Lean cement
- Lean channel
- Lean concrete
- Lean mixture additive
- Lean-mix adjustment
- Leveling
- Lever action
- Liège shoring system
- Lifting airbags
- Lifting clamp/tongs
- Lifting device
- Lifting installation
- Light well
- Lightweight component
- Lightweight concrete
- Lightweight construction method
- Limestone quarry
- Line test
- Linear formwork
- Load distribution
- Load plate
- Load spectrum
- Load test
- Load transfer
- Loading applications
- Local sewer system
- Long-reach excavator
- Low vibration levels
- Lubricating grease
- Lubrication
M 34 definitions
- Machine demolition
- Machine foundation
- Machine hall
- Machine screw
- Machine substructure
- Machinery crane
- Maintenance operations
- Manual demolition shear
- Manual demolition work
- Manual wire rope winch
- Mason’s hammer
- Mason’s trowel
- Masonry
- Masonry anchor
- Masonry demolition
- Masonry repair
- Mast crane
- Material flow
- Material storage
- Material strength
- Material testing
- Material thickness
- Material transport
- Melting point
- Metal dismantling
- Midi excavator
- Milling attachment
- Mini excavators
- Mortar
- Mortar bed
- Mortar gun
- Mortar joint
- Mortar layer
- Mortar stone
N 14 definitions
O 10 definitions
P 74 definitions
- Pallet fork attachment
- Pallet racking
- Panel formwork
- Panel saw
- Particle filter
- Particle measurement test
- Pavement bedding
- Pavement demolition
- Pavement surface
- Paver bedding layer
- Paver pedestals
- Paving joint
- Paving stone
- Penetration depth
- Perforated bricks
- Pile driver
- Pile foundation
- Pile head
- Pile head strengthening
- Pile stabilization system
- Pile system
- Pilot borehole
- Pilot hole
- Pilot tunnel
- Pipe demolition
- Pipe insertion
- Pipe jacking
- Pipe rehabilitation
- Pipe routing
- Pipe shaft
- Pipe structural analysis
- Pipe supports
- Pipeline
- Pipeline installation
- Pipeline route
- Pipeline system
- Pipeline trench
- Pit shoring
- Planning document
- Plaster base
- Plaster facade
- Plaster removal
- Plaster renovation
- Plastic formwork
- Plastic pipe
- Plastic seal
- Plate compaction
- Pneumatic connection
- Pneumatic hammer
- Pneumatic rock drill
- Pneumatic tool
- Pneumatic valve
- Pore space
- Positioning device
- Post connection
- Post-and-beam system
- Post-tensioning method
- Power unit
- Precast concrete plant
- Precast floor slab
- Precast foundation
- Press-in method
- Pressure flushing
- Pressure hose
- Prestressed concrete
- Prestressing method
- Prestressing steel
- Prestressing system
- Primary demolition
- Primer
- Propeller
- Protective enclosure
- Protective wall
- Pulley block
Q 7 definitions
R 57 definitions
- Radius of curvature
- Rainwater harvesting on the construction site
- Rammer
- Raw material
- Raw material extraction
- Raw material storage
- Reactor demolition
- Ready-mix concrete
- Rebar connection
- Rebar cutter
- Rebar cutting
- Recycled concrete
- Recycled construction material
- Recycling
- Recycling plant
- Recycling processes
- Recycling rate
- Redundancy in construction
- Refurbishment works in existing buildings
- Reinforced armored concrete
- Reinforced concrete
- Reinforcement
- Relief borehole
- Relief cut
- Remaining service life of structure
- Remaining strip-out
- Remaining wall
- Removal
- Residual breakage
- Residual concrete
- Residual load-bearing capacity
- Resin grouting
- Retention system
- Retrofit
- Ring beam
- Ripper tooth
- Risk of collapse
- Rock crack
- Rock cutting/processing
- Rock excavation
- Rock face
- Rock mechanics
- Rock milling cutter
- Rock milling machine
- Rock stabilization system
- Rock surface
- Rock tools
- Rock wedge splitter
- Rolling gate demolition
- Rolling scaffold
- Roof demolition
- Roof load capacity
- Room height
- Room scaffold
- Room structural analysis
- Roughness depth
- Rusty reinforcing steel
S 152 definitions
- Safety distance
- Safety equipment
- Safety fence
- Safety inspection
- Safety measure
- Safety regulation
- Safety tunnel
- Screening bucket
- Screw clamp
- Screw coupling
- Screw pile foundation
- Seal
- Sealant
- Sealing ring
- Sealing slurry
- Secant pile wall
- Secondary breakage
- Secondary demolition
- Secondary room demolition
- Segment ring
- Segment tunnel
- Segmental construction
- Service kits
- Service life of structure
- Severance
- Sewage sludge incineration
- Sewage sludge utilization
- Sewage treatment plant demolition
- Sewage treatment plant refurbishment
- Sewer construction works
- Sewer cut
- Sewer drilling
- Sewer rehabilitation
- Sewer shaft
- Shallow foundation
- Shear bolt
- Shear cutting
- Shear force
- Shear strength
- Shear stress
- Sheet pile profile
- Sheet pile shoring
- Sheet pile wall
- Shell construction / structural work
- Shell opening
- Shift plan
- Ship demolition
- Shooting shaft
- Shoring
- Shotcrete
- Shovel excavator
- Silicate concrete
- Silicone joint
- Silicone sealing
- Sill foundation
- Silo cell
- Silo demolition
- Silo feed
- Silo foundation
- Silo shaft
- Silo tower
- Single-family house demolition
- Sintered concrete
- Sit hut
- Site foreman
- Site management
- Site supervision
- Slab stone
- Slab-on-grade foundation
- Slag
- Slag concrete
- Slag pit
- Slag recycling
- Sleeper bearing
- Sleeper board
- Sleeper demolition
- Slew ring bearing
- Slew ring bearings
- Sliding formwork
- Sliding gate
- Sloped concrete layer
- Sloped screed
- Slot drilling
- Sludge press
- Sludge silo
- Slurry layer
- Soil
- Soil anchoring
- Soil compactor
- Soil failure
- Soil layer
- Soil removal
- Soil replacement
- Sorting applications
- Spade tool
- Spare parts supply
- Special demolition
- Special drilling
- Special equipment
- Special formwork
- Special foundation
- Special foundation engineering
- Specialist contractor declaration
- Specialist site management
- Speed valve
- Splash zone
- Spool
- Spray nozzle
- Sprayed formwork
- Sprayed wall
- Spraying method
- Spraying methods
- Stainless steel
- Stainless steel inlay
- Standard cross-section
- Steel anchor
- Steel beam
- Steel construction
- Steel cutting
- Steel fracture
- Steel framework
- Steel grids
- Steel guardrail
- Steel pipe
- Steel sheet
- Steel skeleton
- Steel wall
- Stone cutting machine
- Stone extraction
- Straightedge
- Strength class
- Strip-out area
- Strip-out technology
- Structural acceptance
- Structural analysis for deconstruction
- Structural analysis for demolition
- Structural grouting
- Structural repair
- Structural steel
- Structural steel section
- Structural steel sections
- Structure gauge clearance
- Stud wall
- Surface crack
- Surface load
- Surface pressure
- Surface sealing
- Surface treatment
- Switch hydraulics
- Switch stroke
- Switchgear building demolition
- Switching device
T 30 definitions
- Tearing force
- Technical specifications document
- Test casting
- Test core sample
- Test cut
- Test drilling
- Test pile
- Test specimens
- Threshold stone
- Thrust force
- Thrust pipe
- Tie-back anchoring
- Tilting attachment
- Time and material works in demolition
- Tipping container
- Tool bits
- Top chord
- Top of foundation elevation
- Top of slab elevation
- Topsoil application
- Topsoil removal
- Topsoil storage
- Transport route
- Transverse anchor
- Transverse load
- Transverse pressure
- Trench excavation
- Tunnel face
- Tunnel face support
- Turnbuckle
U 7 definitions
V 7 definitions
W 31 definitions
- Wall breakthrough
- Wall coping
- Wall pillar
- Waste disposal logistics
- Waste management chain
- Wastewater pipe
- Wedge effect
- Wedge principle
- Weight class
- Weld seam
- Welding consumable
- Welding machine
- Welding technology
- Wetting agent
- Wheel loader
- Wheelbarrow
- Wire cutting shear
- Wire rope
- Wire saw
- Wire sawing method
- Wiring diagram
- Wood plank
- Wood protection
- Wood-concrete
- Wooden beam
- Wooden scaffold
- Work planning
- Work platform
- Work preparation
- Working pressure
- Wrenches
X -
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Y 1 definition
Z -
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