vault backup: 2025-10-24

construction-methods.md

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+---
+id:
+aliases: []
+tags:
+  - authorship/original
+  - destiny/permanent
+  - status/incomplete
+  - topic/construction
+  - type/encyclopedia
+title: Construction Methods
+---
+# Construction Methods
+
+## Shear Walls
+
+Shear walls span the height of a building.
+
+Those around elevator shafts form a "shear core".
+
+## Suspended Slab
+
+> [!info] Reference
+> * [Concrete Slab | Different types of Slabs in Construction](https://www.constructioncost.co/slabs-in-construction.html)
+> * [Concrete Slab Types – Construction, Cost, and Applications – theconstructor.org](https://theconstructor.org/practical-guide/concrete-slab-construction-cost/28153/)
+
+### Conventional Slab
+
+Flat on both top and bottom faces
+
+#### Post-Tensioned Slab
+
+> [!example]
+> STRUCTURAL SLAB IS AN 8-INCH THICK
+> UNBONDED POST-TENSIONED TWO-WAY SLAB UNLESS NOTED OTHERWISE.
+
+### Pan Deck Slab
+
+> [!info] Also Known As
+> * composite slab
+> * corrugated slab
+
+Concrete is poured into a corrugated steel "pan".
+The corrugation and support allow for a substantially thinner slab.
+
+> [!example]
+> STRUCTURAL SLAB IS 3 1/2 INCHES OF NORMALWEIGHT CONCRETE
+> ON 3-INCH COMPOSITE STEEL DECK UNLESS NOTED OTHERWISE.
+
+### Other Suspended Slabs
+
+These slabs achieve greater strength with complex formwork.
+
+* Waffle Slab
+* Ribbed Slab
+
+## Tunnel Form
+
+In tunnel form construction,
+formwork is arranged to cast walls and slabs simultaneously
+
+## DualDeck
+
+DualDeck is a proprietary construction method from [Finfrock Design LLC](https://finfrock.com/).
+
+> [!quote] [DualDeck® by FINFROCK | Precast Concrete Building System](https://finfrock.com/dualdeck-building-system/)
+> Comprised of two 2.5-in.-thick precast, prestressed concrete slabs
+> joined with high-strength steel reinforcements,
+> the finished component serves as both the floor and ceiling surfaces in a multi-level building.
+> The built-in subsystems accelerate construction times
+> and the accessible interstitial space simplifies lifetime maintenance.
+
+![|500x321](https://finfrock.com/wp-content/uploads/2020/09/exploded-DD-1024x659.jpg)
+
+The decks are poured and assembled at Finfrock's headquarters and delivered to the job site.
+
+Specialty contractors for projects utilizing DualDeck assemblies
+must coordinate, fabricate, and deliver to Finfrock
+any components that must be set into the slabs or routed in the interstitial space,
+including outlet boxes, conduit, and fittings for electrical.