AU 2026904075  ·  Patent 5 of 6  ·  Filed 29 April 2026

Multimodal Viaduct Topside

Paired-Pylon Multi-Deck Architecture for Continental Corridors

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What This Patent Covers.

Extends the Architectural Framework into a paired-pylon multi-deck configuration for continental multi-modal viaduct corridors. Engineered service slot geometry accommodates maglev passenger track, three electrified freight tracks, HVDC transmission, water, gas, sovereign fibre, and structural provision for future services including hyperloop.

What Existing Approaches Fail At.

Continental multi-modal infrastructure does not exist as a coherent category. Each long-distance service — passenger rail, freight rail, electricity transmission, gas pipelines, water pipelines, communications fibre — is conventionally deployed on its own dedicated infrastructure, with its own corridor, its own approval process, its own construction programme, and its own operational life. The cumulative footprint, environmental impact, and capital cost of multiple parallel single-service corridors is substantial.

Where multi-modal infrastructure has been attempted, it has typically been as the integration of two adjacent services on a shared structural carrier — usually rail and road, or rail and pedestrian. There is no architectural primitive for a six-or-more-service continental corridor on a single elevated structure with engineered structural provision for future services that have not yet been commercialised.

What This Patent Specifically Introduces.

The Multimodal Viaduct Topside establishes a paired-pylon multi-deck architecture engineered for continental multi-modal corridors. Two parallel pylon stacks (per the Architectural Framework patent) support a multi-deck topside through engineered cross-decks and structural service-slot geometry. Each deck level carries a defined set of services: maglev passenger track on one deck level, three electrified freight tracks on another, HVDC transmission and other services in dedicated configuration.

The architectural innovation is the engineered service-slot geometry that accommodates not only the services initially deployed but the structural provision for additional services to be added during operational life. A nation building a corridor for HVDC plus electric freight today has, in the same structure, the capacity to add maglev passenger service, fibre, water, and future technologies (including vacuum-tube hyperloop transport when commercialised) without structural intervention to the corridor itself. The architecture is multi-modal-by-default; single-service and multi-service deployments use the same structural primitives.

The paired-pylon configuration also enables structural redundancy at scale. Failure or maintenance of one pylon does not compromise the corridor's structural integrity in the way that single-pylon failure would. The paired pylons share load through the engineered cross-decks, providing resilience appropriate to continental-scale critical infrastructure.

The Architecture, Illustrated.

The drawing below illustrates the architectural primitives covered by this patent. Engineering specification and full claim language are available to qualified parties on direct request.

Drawing Placeholder
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Drawing to be added — patent 5 architectural illustration

Technical Explanation.

Two parallel pylon stacks are deployed at engineered spacing along the corridor centreline. Each pylon is constructed using the Architectural Framework primitives (modular precast segments with pin-and-box joints) on the Foundation Core foundation. Cross-decks are placed at engineered heights between the paired pylons during construction, captured at the segment-to-segment joints in the same compression-locked architecture used for cross-arms in the Pole and Tower configuration.

Each cross-deck is engineered for its service category — track-bearing decks for passenger maglev or electrified freight, cable-management decks for HVDC and fibre, conduit-bearing decks for water and gas, and structural-reservation decks for future services. The decks are stacked vertically along the pylons in the configuration appropriate to the corridor's deployment specification.

Construction methodology is parallel-team along the corridor. Foundation drilling proceeds ahead of structural construction (per the Foundation Drilling System patent). Pylon stacks are assembled by parallel teams at multiple locations along the corridor simultaneously. Cross-decks are placed during pylon stacking. After full assembly, the integrated tensioning architecture (per the Integrated Foundation patent) is installed through each pylon, locking the structure into its final integrated configuration.

Once the structure is complete, service installation proceeds within the engineered service slots — track laying for passenger and freight, cable pulling for HVDC and fibre, pipeline installation for water and gas. Service installation is deployed in parallel along the corridor, similar to the structural construction phase.

What This Patent Enables.

Related Patents in the Family.

The MMC Patent Family is an integrated platform; each patent in the family connects to the others. The patents most directly related to this one are:

Connected Patents

  • AU 2026904069 — Architectural Framework — the modular pylon segments deployed in paired configuration for the multimodal viaduct
  • AU 2026903952 — Integrated Foundation — the continuous tensioning architecture locking the paired pylons and cross-decks
  • AU 2026903869 — Foundation Core — the foundation primitive at each pylon location along the corridor
  • AU 2026904172 — Pole and Tower Architecture — single-pylon counterpart for transmission and distribution applications outside the multimodal corridor

Return to the patent family overview →

IP Australia Record.

Application Number AU 2026904075
Australian Provisional Patent
Filing Date 29 April 2026
IP Australia, Canberra
PCT Deadline 24 April 2027
International filing under Patent Cooperation Treaty

All seven patents in the MMC Patent Family are Australian sovereign intellectual property. The architecture is offered to a global consortium structure that licences the standard to deploying nations and host industries. Engineering specification and full claim language are available to qualified parties on direct request via contact.