Roadways TRIZ Cases

Built-in protruding bends give a metal braided net added thickness for fuller mortar fill, higher strength, and no spacer blocks.

A looped header passage and ribbed stream straightener even out faucet pressure and distribution to produce controlled linear or grid flow.

Elevated ramps and a connecting deck separate heavy and light traffic, easing congestion where land and height clearance are limited.

Controlled pressed concavities filled and compacted with aggregate improve shallow ground stiffness uniformity and reduce settlement risk.

DC-driven silica and alumina electro-cementation turns weak calcareous sand into a rock-like structure with higher strength and lower CO2 impact.

Wind-driven cooling plates, insulation, and capillary barriers limit thaw settlement by controlling heat and moisture in permafrost subgrades.

Paired supports release upper sections by gravity, opening the roadway film tunnel for emergency access and ventilation.

Stepped slopes and layered geogrids stabilize in-situ highway embankment extensions while limiting excavation, land acquisition, and construction risk.

Parallel left and right-hand traffic lanes in a composite road module eliminate intersection conflicts, reducing congestion and improving flow efficiency.

A one-way loop mosaicking system enables vehicles to travel continuously without stopping at intersections.

An eight-way interchange uses a planar circular layout of forked roads to manage sixteen traffic directions without vertical stacking.

Low tunnels beneath a central platform enable split-flow for small and large vehicles, resolving traffic jams at busy intersections.

Shell elements slide laterally on gravity guides to extract smoke from enclosed routes, resolving fire safety constraints in tunnel structures.

Sliding precast units along guide tracks in access tunnels creates shallow transport routes, reducing surface disruption and land use.

An aerial multi-level bridge structure integrates a suspended monorail with vehicular roads and utility distribution networks.

Polymeric strips with staggered bonding form vented cells that maintain frictional interlock with fill materials under varying loads.

Repurposed wind turbine blade sections filled with coarse-grained material reduce weight and cost while maintaining strength for retaining walls.

Segmented elevated lanes isolate driverless cars from heterogeneous traffic, resolving the contradiction between automation levels and road safety.

An over and under cloverleaf interchange design routes vehicles through multi-level ramps to facilitate seamless transitions between intersecting highways.

Vegetated troughs on load-bearing structures create a semi-open covering that reduces noise propagation and improves urban air quality without tunnel costs.

A multi-story crossroad design segregates vehicle, bicycle, and pedestrian layers to enable continuous traffic flow without signal stops.

Integrating a train station within a multi-level parking structure reduces highway congestion by shifting commuters from personal vehicles to rail transit.

A geocell and geogrid pavement system reinforces weak subgrades through mechanical confinement and tensile load distribution.

A polymer-based elastic network former strengthens subsoil in situ to create a hardened substrate with enhanced compressive strength.

A three-dimensional urban road system uses stacked layers and parallel ramps to separate vehicle traffic flows efficiently.

Elastomer-integrated polymer coatings on rail ballast aggregates resolve the trade-off between material cost and track stability while reducing noise.

Multi-layered urban traffic system relocates motor vehicles to perpendicular underground layers while preserving the ground plane for pedestrians and green spaces.

A double crossover merging interchange uses main and minor bridge crossovers to separate traffic streams vertically.

Air blowing through heated asphalt and crumb rubber mixtures prevents carbon black settling to ensure storage stability.

Floating hexagon apertures in a multi-axial geogrid stabilize varying aggregate sizes while maintaining structural stiffness.

Carbon dioxide reacts with calcium hydroxide to form calcium carbonate precipitates, resolving the trade-off between reduced density and structural integrity.

Maltenes additives reduce asphalt emulsion quantity by 40-70% while maintaining material strength and Marshall stability.

A modular interchange design uses four overpass bridges to separate traffic flows at different altitudes.

Segmented resonator chambers with throughflow openings drain rainwater while maintaining sound attenuation.

Automatic guidance system directs autonomous vehicles along integrated tracks, resolving railway capacity limits caused by braking distances.

Hot mastic footprints prevent erosion at structure-concrete joints by replacing ineffective cold patches with a durable, thermally resistant composite seal.

Segmented modular units with mechanical fasteners resolve fatigue performance issues while maintaining structural strength.

Lane separating walls and underpasses organize vehicle flow, eliminating traffic lights to reduce CO2 emissions.

A faucet fitting applies an organic compound layer to a passivation layer via M-O-P bonds.

Geosynthetics installed on roadbeds contain injected cement mortar to form a prepacked concrete ballast layer.

Vertical pillars support raised pathways to guide hybrid vehicles between elevation levels, reducing ground traffic congestion.

Twisted fibrous threads embed into polymeric strips to prevent sliding under shear stresses and improve tensile strength.

Stepwise soil nailing stabilizes collapsible sandy soil using grouted nails, enabling box pushing through live railway embankments without traffic disruption.

Split PVC domes provide void space for swelling soils and increase localized pressure to counteract heave forces without complex construction.

U-shaped steel nails interconnect geocell strips while a polymer coating covers the joints to prevent slit tearing and nail corrosion.

Optimized groove geometry reflects sound waves perpendicularly to reduce pressure behind the device without requiring deep resonance chambers.

Varying lane super elevations balance centrifugal force against road friction to prevent sliding while maintaining high-speed driving excitement.

A dual-mode interchange design separates highway cut-through lanes via overpasses to manage traffic flow efficiently.

An inhibitor reduces acid drainage potential in sulfide rocks while a cover layer prevents oxygen introduction to stop oxidation.

Leachable TiO2 nanoparticles enhance photocatalytic durability while reducing material quantity requirements.