Paving Details TRIZ Cases

See how embedding an anti-slip agent in turf fiber polymer enables continuous migration to the

A reconfigurable road link switches between rigid and flexible states to harvest vehicle energy while avoiding idle-period energy waste.

Vehicle mass detection adjusts piston resistance in a road energy harvester to boost extraction efficiency and reduce shock damage.

Sensor-driven power modulation heats road and bridge zones on demand, cutting energy use while reducing asphalt thermal cracking.

An elongated waveform insert bridges concrete slab joints to resist spalling, block contaminants, and accommodate thermal movement.

An extruded sheath and coupler pre-align slip dowels at cold joints, reducing labor and helping concrete slabs expand without cracking.

Separate onsite-installed anchors lock onto a grate frame without welding, avoiding shipping breakage and cutting installation delays.

Separate anchors attach to the embed grate frame without tools or welding, avoiding shipping damage while stabilizing concrete-form installation.

Integrated lips and tongues transfer slab loads without dowels, while allowing shrinkage movement and faster concrete joint installation.

Using recycled tire rubber in a dry-process elastic sub-base spreads traffic loads, cuts stress concentration, and extends pavement fatigue life.

Room-temperature mixing of chloroprene latex with asphalt emulsion improves oil resistance while avoiding the high energy cost of heated polymer blending.

A bi-directional hydraulic cylinder and telescopic rollers stretch and bond carbon fiber sheets on bridge decks without drilling holes.

A threshold-triggered hinge lets concrete slab dowels stay aligned yet rotate under curling, preserving live load capacity and preventing edge breakage.

Room-temperature mixing of chloroprene latex and asphalt emulsion improves oil resistance and pavement durability without prolonged heating.

Outdoor asphalt and concrete surfaces can overheat; PCM layers and conductive graphite transfer and absorb heat passively.

Capillary action transports stored water through a porous paving bed to the surface for natural evaporation cooling.

A projectile spike cable wraps around a fleeing vehicle tire to puncture and deflate it.

Thermal bonding of elastic and reinforced membranes to bridge expansion joints prevents chloride penetration that corrodes steel.

Infrared emitters heat asphalt independently of stone aggregate to create a temperature differential that improves binding properties.

Oblong slots and lifting mechanism in formwork device accommodate varying concrete slab thicknesses without standardized dimensions.

A lifting anchor uses a rotating locking pin to secure within a void former embedded in concrete.

Hardener treatment reduces porosity in pavement joints, preventing moisture intrusion and extending service life.

Spring-loaded swing arms center the cover plate, resolving misalignment from thermal expansion.

Orthogonal injection of expandable resin pushes up tilted concrete slabs while avoiding resistance from tie bars at the joint.

A T-shaped bituminous strip seals road joints using a beveled central web and transverse contact surface.

Embedded baseplates with tubular projections guide slip dowels to prevent misalignment and cracking at cold joints.

Flowing binder binds compressible aggregate layers to accommodate thermal expansion and prevent buckling in concrete pavements.

A tri-blend recycled rubber aggregate mixed with semi-rigid epoxy binder creates a durable joint filler.

A permanent joint form integrates a foam block and elastomeric seal to repair concrete expansion joints in a single visit.

Segmented phase change layers absorb heat through latent transitions while a conductive sub-layer transfers thermal energy from the substrate.

Segmented side arms and connecting webs form structural cavities to boost tensile strength, preventing cracking under traffic loads.

A resilient installation member with a fixed ledge positions expansion joint seals to balance debris accumulation risks against surface damage protection.

Replacing rigid welds, this expansion joint design employs friction springs to absorb vehicular impacts while maintaining seal gap equidistance.

Segmented pavement slabs rock on the base to eliminate simultaneous edge loading, preventing cracking while lowering construction costs.

Multi-layer polymer casting reduces heat damage and manufacturing costs in drivable building structures.

Resilient foam core bonded to incompressible load-transfer members supports surface loads while maintaining flexibility.

Snap-fit clamping structures secure rebars in various orientations, eliminating metal wire corrosion risks while maintaining structural strength.

Segmenting turf into pre-assembled modules with thick base pads eliminates hook-and-loop fasteners, resolving infill trapping and custom manufacturing issues.

Merged locking and sealing components eliminate separate elements, resolving the trade-off between joint reliability and installation complexity.

Lateral anchoring lips engage claw grooves in concrete end frames, preventing seal displacement under traffic loads.

A pivotally mounted scraping blade tilts to ride over rigid obstacles like manhole covers.

Flexible membranes with rotatable ribs accommodate multi-axis movement, resolving load-bearing versus seismic capability trade-offs.

Pre-bent elongated members apply tension to hold dowels in alignment, eliminating manual re-alignment and reducing installation time.

Electronic control module adjusts conveyor and auger speeds based on sensor data to maintain target pile height, eliminating operator subjectivity.

A barrier ring prevents material exchange between old and new pavement layers, ensuring even compression and eliminating defects caused by density differences.

A modular screed guide assembly uses a removable longitudinal cap to create recessed control joints in concrete slabs.

Segmented heating system prevents asphalt hardening during non-working hours using low-density electric riser tubes.

A coverplate with a central spine and compressible foam seals maintains position across structural gaps without mechanical fasteners.

A joint sealing profile uses a holding portion that changes volume via chemical, thermal, or physical activation to create a secure connection.

Harder seal caps protect softer cellular bodies from traffic damage, resolving the trade-off between structural adaptability and surface reliability.

Integrated fire and water resistant elastomer accommodates thermal movement while flared end directs contaminants away from structural features.