Steel Staggered Truss System

Early schematic of the staggered truss framing system.

Steel staggered truss system. All come with 16 overhang past post. Plank provides system continuity resulting in a stiff floor structure. The system consists of a series of story high trusses spanning the total width between two rows of exterior columns and arranged in a staggered pattern on adjacent column lines. Cooler because the staggered truss is here to stay.

Roberta bobbi marstellar is director. Classrooms and offices positioned throughout the building shifted as needed to accommodate the new plan. In january 1967 the mit team developed and presented to uss a thorough report about the system how to design the structure how to lay out various configurations for. Perspective view of staggered trusses within building envelope.

By definition a staggered truss spans from floor slab to floor slab. 12 50 a foot 12 40 14 95 a foot 42 60 all lean to shed trusses 1 12 pitch. For the specific pro ject and site under evaluation the steel system offered significant advantages. The staggered truss the staggered truss framing system was developed by a team of architects and engineers from the departments of architecture and civil engineering at mit in the late 1960s.

The staggered truss system is a type of structural steel framing used in high rise buildings. Vierendeel openings in story high truss. Staggered truss is a competitive. Some of the steel trusses were left exposed reminiscent of chicago s som designed john hancock center and the city s many historic bridges.

The arrangement of story high trusses in a staggered pattern at alternate column lines provides large column free areas for room layouts. 12 50 a foot up to 20 14 95 a foot over 20 we stock 24 30 and 40 gable trusses and 12 lean to trusses. William lemessurier the founder cambridge massachusetts engineering firm lemessurier consultants has been credited in. To develop a space and cost effi cient frame for the long span side of.

The decision to use the staggered truss system was in the end a finan cial judgment. While not new in concept the system is experiencing a renaissance in today s multi story residential market place. Therefore individual truss members are regarded as columns for the purpose of rating their fire resistance and the applicable code require ment will be applied for each member. Bers specific fire tests for steel trusses that simulate actual conditions have not been performed.

The cantilevered design is a direct result of the staggered truss system says jennerjahn. Steel beam and concrete slab on metal deck framing system. All american made engineered agricultural gable trusses 4 12 pitch heavy duty 2 angled steel painted black.