Semester 5, 2024

Building construction

Trusses, space frames, a geodesic dome made of sticks and a tensile roof.

Building construction in fifth semester: steel, shells and membranes. Plates on trusses, pre-engineered buildings, space frames and their nodes, plus a geodesic dome we built out of sticks and a tensile membrane model.

0111 pieces

The plates

Isometric of a Howe-truss roof over a V-shaped plan (1:500): 6.5 m span, 4 m truss height, with the key plan, truss typology and the corner truss detail. — Isometric of a Howe-truss roof over a V-shaped plan (1:500): 6.5 m span.

Truss details A and B: ISA 100x100x5 angle rafter on an ISMB 450 with 20 mm base plate and stiffeners; angles bolted to an 8 mm gusset plate at the bottom chord. — Truss details A and B.

Truss elevation at 1:50: 18 m span, 4.5 m rise, angle king post and struts, gusset plates, purlins and polycarbonate roofing. — Truss elevation at 1:50: 18 m span.

Pre-engineered building details: ISMB 450 end-plate splice with longitudinal stiffeners, haunched column-rafter joint and the girting detail on its pedestal. — Pre-engineered building details: ISMB 450 end-plate splice with longitudinal stiffeners.

PEB bracing details and frame model, roof sheeting fixing (detail C, 1:5) and the 31.25 x 60 m key plan with cross bracing (1:500). — PEB bracing details and frame model.

Space frame, exploded isometric (1:250): top frame, diagonal members and bottom frame, beside the 19 x 14 m key plan. — Space frame, exploded isometric (1:250): top frame.

Space frame nodes and elevation: bowl node and its section, Mero system, glazing node (detail A), column head with crossing gusset plate (detail B). — Space frame nodes and elevation: bowl node and its section.

Platonic solids, frequency subdivision diagrams (1f to 4f) and 1f, 2f and 3f frequency domes.

Geodesic dome joints: two slotting details (glazing frame, sealant ridge cap, node) and welded V-6, V-5 and V-4 node details. — Geodesic dome joints: two slotting details .

Tensile structure 3D views and details at 1:10: mast end cap and yoke, anchor bolts in RCC pedestals, edge cable pocket, and the membrane plate with turnbuckle (1:20). — Tensile structure 3D views and details at 1:10: mast end cap and yoke.

Terrace garden waterproofing section: 400 mm growth medium, geotextile membrane, sand, coarse aggregate, drain cells, epoxy layer and cement screed against the parapet. — Terrace garden waterproofing section: 400 mm growth medium.

023 pieces

The models

Geodesic dome stick model built from thin wooden sticks, front view.

Tensile membrane model: dark stretch fabric pulled between two masts and anchored to a card base. — Tensile membrane model.

Thin shell model in plaster on a plywood base, a single curved surface rising from two low supports. — Thin shell model in plaster on a plywood base.

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