Building Repairs TRIZ Cases

A single device combines pull and wedge bars with a slide hammer to remove glued elements without damaging surfaces.

Inclined joints in the internal lining eliminate horizontal adhesive seams, raising critical re-entrainment velocity to prevent acid-mist fallout.

A sheathing retaining anchor uses a compression mechanism to drive wedges into an interference fit within the bore.

Internal prismatic plate attachment reinforces concrete nodes against seismic stresses without invasive external scaffolding.

Jack assemblies lift concrete slabs via side contact, eliminating unsightly drill holes and mud cleanup.

Standoff retainers space cladding panels from degraded concrete, creating formwork for curable material injection that restores structural strength.

Ductile textile-adhesive composites enhance masonry resistance to horizontal loads by enabling plastic deformation and energy dissipation during seismic events.

Flexible laminate sheets wrap around cores to form adjustable concrete columns, replacing bulky Sonotubes that require large storage spaces.

A lifting tower system uses bidirectional rotational power and threaded rods to raise structures in a single continuous stroke.

Inverting wedge orientation prevents tension loss while a composite clamping element ensures uniform pressure distribution.

Segmented tensioning devices maintain laminate prestress during adhesive curing, eliminating the need for continuous mechanical clamping.

Elevating flooring ends creates ventilating spaces for airflow drying without removing the original floor structure.

A polymeric sealing element compresses into narrow gaps and expands to grip pavement walls securely.

A window buck with a right trapezoid cross-section and beveled edges secures directly to drywall panels without intermediary metal angles.

Shaping the closed section rib root into a flat surface prevents molten slag intrusion and blowholes while maintaining controlled weld penetration depth.

Full-length beams weld into column assemblies to eliminate stub beams, reducing labor while enhancing torsion resistance against extreme loads.

Segmented composite anchors maintain reinforcement strip strength while preventing delamination from concrete surfaces.

Embedded shape memory alloy wires generate compressive force upon heating, enabling localized prestressing without complex mechanical anchorage systems.

An expandable arm mechanism stretches a webbing member to form a stable planar surface, preventing filler from falling into the wall cavity.

Segmented U-shaped brackets anchor fiber strips into concrete walls, resolving the trade-off between structural strength and system complexity.

A floor support post uses a frictional fit between flanges and the post to secure structural connections without additional fasteners.

Arranging hollow blocks in a mesh pattern and filling them with gravel reinforces weak ground, reducing subsidence and construction costs.

A dedicated elevator shaft connects specific adjacent floors through a localized floor slab opening, enabling targeted vertical access.

Segmented stringer members conceal structural fasteners via nested positioning, eliminating visible hardware and additional finishing components.

Synthetic inorganic fillers replace organic thickeners in wall repair compounds, reducing shrinkage and cracking while maintaining freeze-thaw resistance.

A carbon fiber panel seals concrete cracks to prevent epoxy leakage, ensuring complete structural filling.

A three-dimensional beam reinforcing metallic material with a larger center cross-section provides targeted flexural strength.

Pivot axis decouples drive unit from percussion mechanism, maintaining continuous blade contact with uneven floors while preventing side tipping.

A rigidified fabric grid inserts into concrete slots to restore structural integrity through adhesive bonding.

An adapter handle with a telescopic shaft and vibration dampening housing.

A wall straightening system uses cinch plates to apply compressive forces between structural members for precise alignment.

Spaced side plates on column members secure full-length beam assemblies, eliminating labor-intensive field welding and reducing construction costs.

GPS detonators self-register with a central control unit, resolving manual configuration complexity.

An asymmetric wall repair patch uses variable-length protrusions to form pockets that accept paint, resolving visible seam defects in damaged drywall.

Exterior buttress assembly secures shear force using reinforcing steel structures and anchors, eliminating interior construction.

Continuous manufacturing joins cover layers and inserts using pressure-set adhesive, eliminating moisture evaporation unevenness from water-based glues.

Carbon fiber strips anchor to foundations and sill plates, dispersing lateral forces to prevent basement wall bowing.

A plastic clamping element with specific elastic modulus exerts uniform pressure on fiber-reinforced plastic tension members via a rigid sleeve.

Coordinated hydraulic jacks apply uniform pressure to basement walls, preventing buckling and damage caused by slow mechanical straightening methods.

A reinforcement process releases embedded fibers by removing the polymer matrix to allow physical rearrangement.

An adjustable frame with a foldable shaft and angularly movable chiseling assembly resolves the trade-off between device complexity and user adaptability.

Antique hewn wood molds produce concrete modules that eliminate mechanical lifts while replicating authentic decay textures.

Disposable plastic shims replace rusting metal washers or splitting wood blocks to create reliable track bracket clearance without installation complexity.

U-shaped brackets anchor fiber strips in concrete wall holes, inhibiting structural deformation and preventing progressive collapse.

Integrally formed connector joins mullion and window frame to withstand 75 psf wind pressure without permanent deflection.

Radially expanding crack inhibitors induces compressive residual stresses to retard fatigue crack growth and extend structural service life.

Staged plastic foam injection permanently bonds double-shell wall cavities and existing anchors.

Converging tendon pressure contact surface reduces principal stresses and minimizes rupture risk in FRP tendons.