Bridge Structural Details TRIZ Cases

Segmented concrete treads with transverse grooves rest on low-profile corner bases to eliminate longitudinal beams, reducing installation complexity.

Modular cellular fenders absorb vessel impact energy through progressive buckling, replacing timber piles that lack durability against marine borers.

A shape memory alloy cable elongates via phase transition to mitigate initial stress and prevent structural damage.

Segmented W-shaped truss support system increases load-bearing capacity for heavy pre-fabricated box girders while maintaining open vehicle passage lanes.

A holder moves a tensioning element into an anchor block opening without detaching the bracket.

Convex and concave socket connections enable dense concrete filling in double-layer CFST arch ribs, eliminating unfilled areas that reduce structural strength.

Longitudinal load transfer members within a compressible core resolve the contradiction between high load-bearing capacity and seismic movement capability.

Three concave sliding mechanisms in the shock suppressor enhance isolation speed without increasing device complexity or manufacturing costs.

A prefabricated bridge edge termination element with a channel-shaped cavity receives cast-in-place concrete to form a monolithic superstructure connection.

Embedding steel strands within prefabricated bridge segments eliminates temporary tensioning devices and surface hole formation during segment splicing.

Segmented epoxy asphalt layers resolve the trade-off between structural strength and surface skid resistance while preventing high-temperature rutting.

Elastic bedding material cushions cable strands within anchor blocks to absorb bending stresses and reduce oscillatory movements.

A spirally wound wire modifies the aerodynamic profile of a smooth stay cable sheath to disrupt water trickles and reduce oscillation amplitudes.

Pre-cast steel piles and concrete caps join via metallic male-female connectors, eliminating on-site welding to reduce construction time.

Segmented C-shaped hanging brackets form rigid frames to avoid bridge-side obstacles, reducing labor costs and traffic disruption.

Continuous bulb T-beams use CFRP tendons and UHPC to eliminate steel corrosion while reducing on-site casting time.

Elastic guide tubes absorb transverse forces in cable anchorage systems through resilient wall deformation.

Translatable plates and pivot pins enable precise placement of bracket members while nesting tabs reduce storage volume.

A hydraulic cylinder moves a baffle inside an oil pressure seismic support to adjust hysteretic characteristics and extend natural vibration periods.

Adjustable tension bracing connects spaced bridge girders to prevent excessive lateral deflections when concrete decks are removed.

Segmented post arrangements absorb crash energy via buckling base plates, preventing weld failure while limiting occupant injury forces.

A formwork arrangement uses a ball joint to transmit power between upper and lower support structures without bending moments.

A structural joint uses bars to prevent beam rotation and maintain vertical orientation during seismic events.

Heating element fluidizes filling material in structural cable anchoring chambers for extraction through sheath openings.

Height adjustment assemblies and rotating shafts enable bolt-free mounting, eliminating noise from bolt holes while achieving precise flatness.

A modular scaffolding platform uses pin-aperture connectors to swing frame beams into co-axial alignment for rapid manual assembly.

Modified polytetrafluoroethylene seals in pot bearings resist wear from high-speed traffic, extending service life beyond standard limits.

Raised joint between pre-cast deck and railing inhibits water seepage, eliminating post-tensioning delays during modular assembly.

A buckypaper strip sensor embedded in an elastomeric expansion joint measures structural deformation via piezoresistive changes.

UHPFRC filling recesses around duct ends creates reliable air-tightness without complex couplers, simplifying installation.

A trough bridge uses a monolithic concrete frame to integrate the roadway slab without complex assembly.

A bridge saddle uses flexible polymeric material to protect cable strands from corrosion while enabling individual strand replacement.

Replacing press brakes with cold roll-forming enables longer rib lengths and integrated camber, solving fabrication limits for short span bridge decks.

Segmented arch steel plates distribute stress evenly, preventing cracks under high pressure loads.

Modular comb bridge expansion joints use rotatable joints to accommodate transverse girder shifts, preventing comb tooth breakage under wind loads.

External post-tensioning tendons apply axial compression to precast concrete bridge deck units.

A modular wheelchair ramp uses a double-channeled stringer for easy assembly and pitch adjustment.

A bridge slab uses ultra-high performance concrete and self-weathering steel reinforcement members to create a durable structural system.

Segmented panels with hanging brackets protect bridge parapets from salt erosion, eliminating traffic disruption and worker safety risks during maintenance.

A bridge construction method uses threaded clips to position angular profiles on beams for accurate slab support.

Precast arch bridge segments use shiplap joints for precise alignment and stability during modular assembly.

A road joint uses retractable blades between interlocking teeth to fill gaps and support narrow bicycle wheels.

A double U-shaped steel composite girder connects top and bottom beams to form a rigid frame structure.

A friction damping device uses two series-connected systems to dampen relative movements between structural elements.

A powered roller screed uses a rotationally isolated handle rigidly coupled to a wet screed shoe.

A carriage maintains parallel alignment with a parapet using a pivoting plate and servo motors to prevent encroachment on traffic lanes.

A flared starter pier with an inserted reinforcing member creates an annular space to reduce soil resistance during installation.

Separate anchoring assemblies prevent water seepage by securing flexible waterproofing films without perforating structural blocks.