Excavations TRIZ Cases

Rounded slot ends and thickened areas redistribute stress in a weld-free geocell preform, improving slope stability, drainage, and tensile strength.

Integrated woven pockets hold support posts without fasteners, improving silt fence durability in weather while reducing attachment steps.

Drilling and mixing subsoil layers with local gravel, clay, and cement improves foundation bearing capacity without invasive excavation, delays, or excess waste.

A modular shoring assembly uses base and extension units with jacking lugs to stabilize deep excavations and enable safe extraction in unstable soil.

A wedge-clamped FRP anchor head transfers high tensile loads without threads, simplifying slope and excavation anchoring while resisting corrosion.

Ion-exchange pretreatment and controlled silica sol and sodium silicate mixing improve gel consistency for soil sealing below groundwater.

Open trench box ends expose workers to loose soil and rocks; an end cap housing forms a protected chamber to intercept falling debris.

A U-shaped enclosure with lifting connectors and a support member creates a stable, watertight dry area around culvert inlets with less setup labor.

Discontinuous grouted trenches with modified rebar stabilize steep slopes while preserving groundwater flow and reducing construction demands.

Interchangeable ground ends adapt silt fence posts to hard-packed dirt and other conditions for safer, more durable erosion control.

A thin-walled concrete casing combines with steel support beams to protect soil-mortar retaining walls from fire and corrosion.

Male and female quick disconnect connectors enable leak-proof single- or double-cylinder changes, reducing conversion time for rental operations.

This geogrid confines varied aggregate and embeds it in a compressible cellular layer for durable, lower-material stabilization.

Rod-shaped elements near potential sliding surfaces improve embankment stability while limiting space needs and maintenance demands.

Modular wall sections simplify portable cofferdam installation, creating a dry work area around culverts in smaller environments.

A guide bracket redirects ground anchor tension to an H-beam pile flange, preventing mudslide and collapse caused by earth pressure.

A sleeve drill rod guides basalt fiber bars through a constraint hole while grouting the anchor space.

A self-contained soil stabilization system deploys piles and chemical agents via a motorized chassis and hopper.

Linear guides constrain support movement vertically, eliminating transverse soil vibrations during deep excavation.

Decentralized voltage-controlled power regulation coordinates electric motors, batteries, and supply devices to prevent overloading during sudden load changes.

Segmented sockets with covers contain broken roof bolts, preventing ejection hazards while reducing installation costs and labor.

Adding a non-curing viscosity regulator prevents binder washout in water-rich soils, ensuring stable excavation pit enclosures.

Segmented apertures in a sediment control device separate particles from runoff, resolving the trade-off between filtration precision and hydraulic capacity.

A vaulted retaining structure with integral wall elements replaces separate anchor curtains.

Brittle sacrificial sections on formwork elements break during extraction, resolving deep trench adhesion and easing removal.

Segmented cell walls feature hinged flaps that rotate under pressure gradients to increase friction with geotechnical materials at low normal stress.

Peripheral pre-drilling loosens soil around the foundation pipe, reducing energy consumption and eliminating heavy drilling equipment requirements.

Aluminum trench sheets with undercut grooves enable manual handling, eliminating heavy lifting equipment for deeper excavations.

Sequential installation of nested linear guides reduces soil compression and structural instability during deep trench support.

Intermediary cover plates fill voids between round pipes and square holes, preventing debris accumulation and rodent nesting in retaining walls.

Segmented polygonal strut system reduces dense grid obstruction to improve excavation accessibility and wall stability.

Tapered square pipes form a trapezoidal arch resisting side pressure without wales or center piles.

Rotating connecting mechanisms join adjacent structural steel inner support beams, preventing shear failure and ensuring overall stability in foundation pits.

Oriented polypropylene ribs form a monolithic net that retains earth while allowing liquid drainage through geometric windows, resolving filtration trade-offs.

Guide bracket transfers ground anchor tensile force to H-piles for retaining earth during deep excavation.

Nesting RFID chips within foundation elements resolves traceability bottlenecks by linking unique identification data directly to each structural component.

Segmented shroud plates prevent debris clogging while the redesigned barrel maintains annular pressure to reduce cycle times.

Segmented lifting screw limiters and thread limiters provide dual locking against pull-out while shock-absorbing devices dissipate earthquake energy.

Acoustic sensors identify soil type to dynamically adjust drilling parameters, reducing tool wear in hard layers.

Nested drilling creates variable cross-section piles from solidified soil, matching pile width to soil bearing capacity at different depths.

Variable width support layers formed from solidified soil reduce boring equipment overload while enhancing bearing capacity efficiency.

Pre-installed steel mesh sheets and ribbed bars anchor into drilled holes to maintain anti-leakage performance during construction interruptions.

Clay and concrete isolation layers seal the pit bottom to prevent evaporation loss while gravel stores water for environmental recovery.

Curved walls and adjustable spreaders widen the workspace to prevent large pipes from contacting workers in trenches.

A threaded centralizer sleeve engages rebar threads to secure positioning without external ties.

A tunnel boring device uses a parallel link mechanism with eight thrust jacks to adjust forward section position and attitude.

A trench box design using a steel frame and wooden boarding to reduce weight while maintaining structural strength.

Stabilizing fins and a self-tensioning drawstring improve sediment retention by resisting water pressure and preventing sagging.

Steel sleeves distribute hydraulic lifting forces via anchor bolts, preventing structural damage during foundation leveling operations.

Segmented arms and legs with an adjustment assembly maintain rung distance and prevent movement when the outside surface is buried.