Sentence examples for lightweight floor from inspiring English sources

In addition, the need of recalibrating human models for lightweight floor systems is also discussed.

The method is also used to study the acoustic relevance of studs in lightweight floor transmission.

The earlier inquiry concluded that unconventional lightweight floor supports in the twin towers probably softened and then failed, leading to a progressive collapse of the entire buildings.

Although the amplitudes and frequencies throughout the experiments are set to match those that might occur in lightweight floor constructions, the results can be seen as general.

Joining the outside tube to the inner core were state-of-the-art lightweight floor trusses that spanned sixty feet from core to exterior walls on two sides, and thirty-five feet on the other two sides.

Each relied on a cluster of relatively heavy steel columns in its core, connected by lightweight floor supports called bar-joist trusses to a tight palisade of columns around the facade -- 59 per face, producing those tall, narrow windows.

Lightweight floors supported by cold formed C-shape steel joists have become increasingly popular in residential construction in North America in recent years.

But while the exterior walls of the building will be very heavily insulated against the weather to save energy, the thin, lightweight floors may not block enough sound traveling up and down through the building.

The debate over the sufficiency of the fireproofing on the World Trade Center's lightweight floors -- essentially metal and concrete decks supported underneath by a series of inch-thick zigzagging rods -- intensified in May 2003 when federal investigators concluded that the Port Authority, back in the late 1960's, apparently never performed the formal laboratory fire test on the design.

Alternatively, the innovative lightweight floors that connected the exterior of the towers to their cores might have sagged, pulling the exterior columns inward and starting the collapse, the interim report says, adding that it might have been a combination of both factors.

For more than two years, federal investigators have been struggling to resolve a critical and contentious question concerning the collapse of the World Trade Center towers: was the spray-on fireproofing initially placed on the twin towers' innovative lightweight floors sufficient to protect them in a major fire?