longitudinal girder

Two such longitudinal girders are constructed parallel to each other to provide the bridge's strength.

It was then slid along into position and the longitudinal girders were put in to attach it to the next frame.

The concrete planks sit on longitudinal girders that create the swooping form of the envelope.

The bulkheads were braced to each other by longitudinal girders placed around their circumferences.

The deck structure consists of longitudinal girders, cross-girders, and the deck.

These new rules called for all lifting loads to be transmitted directly to the transverse frames rather than being taken via the longitudinal girders.

Both R100 and R101 used a smaller number of longitudinal girders than previous airships in order to simplify stress calculations.

However, fewer longitudinal girders resulted in larger unsupported panels of fabric in the envelope.

Another effect was that both R100 and R101 employed a relatively small number of longitudinal girders, in order to simplify the stressing calculations.

The most important feature of Zeppelin's design was a rigid light-alloy skeleton, made of rings and longitudinal girders.

The longitudinal girders were manufactured in a special plant next to the bridge construction site and placed in the bridge structure using incremental launching.

The 16 longitudinal girders were formed of three tubes each, formed from strips of Duralumin wound into a spiral and riveted together.

These connected 15 polygonal transverse frames, which were held in shape by wire bracing connected to a central longitudinal girder running the length of the ship.

The usage of longitudinal girders to impart strength and resistance to the hull was discarded, and a "bracket frame" system devised by Nathaniel Barnaby was adopted.

Before any contracts for the metalwork were signed, an entire bay consisting of a pair of the 15-sided transverse ring frames and the connecting longitudinal girders was assembled at Cardington.

Another frame soon followed it and was joined to the first by the longitudinal girders; one section of the ship was then in place which would eventually house one of the gasbags.

It has an internal triangular truss made of graphite-reinforced plastic and three longitudinal girders made of aluminium which connect the triangular elements along the length of the frame.

The deck, which curves from one end to the other, was reinforced by adding heavily confined edge beams encasing high strength steel along the inside face of the exterior longitudinal girders underneath.

The individual transverse frames were assembled horizontally then lifted up and slung from roof-mounted trackways before being slid into position and attached to the adjacent frames by the longitudinal girders.

Structural modifications included an upgrade from four longitudinal girders to six of the same shape, elimination of ramp "B", and replacement of a stairway with a handicapped pedestrian ramp on the Boston end of the bridge.

Here he developed the Isherwood System, a new stronger, safer, and cheaper longitudinal girder form of ship construction designed to replace the traditional traverse construction method (ribs placed at regular intervals along the keel), which he patented in 1906.

In each ship the policy had been adopted of building with relatively few longitudinal girders compared with previous ships in order that the forces in the girders might be calculated more accurately, and this decision was undoubtedly influenced by the disaster to R.38.

All around him, like a three-dimensional maze, was the structural framework of the ship-the great longitudinal girders running from nose to tail, the fifteen hoops that were the circular ribs of this sky-borne colossus, and whose varying sizes defined its graceful, streamlined profile.

Each girder bore a pair of substantial flexibly mounted struts extending outwards, the wings being tensioned between the ends of the longitudinal girders and the outer ends of the struts by means of cables which formed the wing leading edges.

The total distance between the extreme piers is 486 feet, which is spanned by two longitudinal girders, each twelve and a half feet high and twenty-five feet apart, with kelson girders every three feet, having their ends rivetted to the bottom boxes.