Roads Maintainence TRIZ Cases

Construction management system calculates paving material weight supplied to an asphalt finisher using truck identification.

A sensor system combines tilt and yaw rate signals using a Kalman filter to produce an acceleration-compensated inclination signal.

A compaction system uses a force sensor at the articulated joint to measure propulsion force transmitted through the mechanism.

Laser sensors detect relative plate positions to automate paving adjustments, eliminating manual measurement errors.

A sealed distribution box uses a pneumatic pump to move dry binder mixtures through an ingress pipe and spreader bar for precise application.

Segmented beam and threaded connection enable single-operator flatness without cumbersome power units.

Controller adjusts pump rates by measuring emulsion mass and spray area to resolve contradictions between calibration complexity and application accuracy.

Segmented rigid and flexible conduits route hydraulic fluid through moving frames, preventing hose damage from tight bend radii.

An impact-resistant casing protects a concrete core in soil compactor weights, preventing breakage under load and ensuring operational continuity.

Segmented hand truck applicators resolve clogging contradictions by using adjustable nozzles to maintain uniform bonding on small asphalt areas.

Variable gap width between the milling drum and hold-down device reduces material compaction and power consumption during road milling operations.

Rotating drum with helical blades moves loose particulate material laterally across road surfaces to redistribute gravel and soil.

An integrated road marking cutter combines suction collection with vibration damping mechanisms to eliminate separate escort vehicles.

Elastic fastening device prevents over-tightening damage by applying a predetermined force to secure heating elements on paving screeds.

Molding a single plastic component for the handle, sprinkler, and fastener reduces manufacturing costs while maintaining ergonomic grip and secure attachment.

Automated heating and agitation prevent phase separation in stored emulsion oils, eliminating pump clogging and sludge buildup during extended storage periods.

A road paver material container features a viewing indentation in its rear wall and floor to provide an unobstructed operator view of the ground.

Overlapping flexible strips in a hopper enclosure dynamically adjust to conveyor misalignment, preventing material loss during transfer.

An adjustable cut material deflector eliminates manual repositioning steps by adapting its position to varying subsoil cover layer thicknesses.

Removable nozzle elements allow variable spacing, reducing clogging downtime and detergent use.

Multiple hole patterns on the chassis allow variable height positioning of worm gear bearings, eliminating costs from maintaining separate bearing arrangements.

High hydroxyl anti-aging agents reverse oxidation in reclaimed binders, enabling higher recycled material incorporation rates.

Segmented gates dynamically control material deposition to resolve bridging issues and maintain uniform compaction over irregular terrain.

Impact crushing reduces bitumen in coarse fractions, enabling high-temperature drying and 95% reuse without sticking.

Replacing mechanical drum dryers with a microwave heated batcher reduces plant infrastructure complexity while enabling mobile hot mix asphalt production.

Automated feedback loops regulate liquid delivery during material mixing, eliminating manual guesswork and ensuring consistent compaction quality.

Segmenting the frame with a forward-widening recess improves steering visibility, enabling precise navigation along tight curve radii.

A paving screed uses sensor units to detect reference elements on side shifters for precise width measurement.

Sequential drum and rear blade lifting reduces milled material left on the bed, minimizing post-processing requirements.

Segmented frame and hydraulic side-step system pivot the screed head around obstacles, eliminating manual finishing and machine repositioning.

Curved steel plates route hydraulic hoses through frame openings to reduce fitting count and improve drum visibility.

Rotary spindle actuators drive telescoping supports to extend sideform assemblies, resolving precision versus complexity trade-offs in slipform pavers.

Characterizing spindle forces with alignment assemblies and measurement devices to adjust tire test results.

A mast-mounted sensor system calculates a spatially offset control point to adjust tow arms and maintain paving mat thickness.

Rotary cutters replace percussion picks to eliminate heat generation and energy loss during surface profiling.

Obliquely angled dispensing feet deflect salt and sand laterally from the auger outlet to achieve uniform surface coverage.

Sensors monitor bit temperature and a controller adjusts spray flow, reducing waste while extending tool life.

Weight sensors replace complex image recognition to detect paving material levels, resolving detection precision issues while reducing device complexity.

Segmented fastening mechanism allows retention element to detach under excessive force, preventing destruction and enabling easy reuse of the component.

A bearing course forming method uses satellite positioning and laser scanning to determine reference level elevations for accurate surface construction.

Angled tube feeder enables continuous concrete barrier construction by accommodating reinforcement cages without stopping the slip forming process.

A rotating spinner disc uses radial segments with varying inclinations to distribute spreading material evenly across the road surface.

Dampening members in a tamper bar assembly enable automatic amplitude adjustment, resolving manual adjustment delays and suboptimal compaction quality.

Movable pneumatic tires with pressure control solve inconsistent edge compaction and reduce process time.

Lateral motion control distributes tire wear across multiple abrasive surfaces, preventing groove formation and extending road wheel lifespan.

A paving machine hopper regulation system uses material quantity and object detection sensors to control tilting and lowering operations.

A road construction vehicle material hopper uses pivotable base and side parts to transition between compact transport and wide paving configurations.

Continuous data correlation between compaction devices and a central unit resolves non-uniform quality issues by automatically adjusting machine settings.

A sensor device detects pavement edge displacement to automatically adjust the screed side plate position.