Aircraft Forward Section Floor Structure

An integrated floor for an aircraft fuselage includes a composite panel forming a floor surface and composite beams bonded to the floor panel.

Aircraft forward section floor structure.

Like other structural elements a cantilever can be formed as a beam plate truss or slab. A cantilever is a rigid structural element that extends horizontally and is supported at only one end. Many manufacturers consider the center line of the aircraft to be a zero station. Typically it extends from a flat vertical surface such as a wall to which it must be firmly attached.

A structure constructed on a coast as part of a coastal defense system or to protect an anchorage from the effects of weather and longshore drift. When subjected to a structural load at its far unsupported end the cantilever carries the load. Loss of structural integrity during flight can be caused by. The beams extend longitudinally within the fuselage and support the floor.

Generally they carry bending moments shear forces and torsional loads which induce axial stresses in the stringers and skin together with shear stresses in the skin. Structures systems and methods provide a load bearing aircraft flooring within an aircraft s fuselage. Various numbering systems are used to facilitate the location of specific wing frames fuselage bulkheads or any other structural members on an aircraft. Megson in aircraft structures for engineering students fifth edition 2013.

Manufacturers use some system of station marking. To locate structures to the right or left of the center line of an aircraft a similar method is employed. Ultimate loads 9 0g fwd inertia load factor. 14 cfr subpart c section 25 561.

Aircraft structure and also replace the current aluminium c56 floor beam by future cfrp floor beam in order to obtain better performance as well as to reduces the weight of the aircraft structure. The floors run outboard from the keel to the turn of the bilge where the bottom turns upward. This is where they are attached. They land it on its belly and on a stretch of flat land can be a body of water as well.

The athwartship structure consists of transverse frames and floors. A structure built on the forecastle of a ship intended to divert water away from the forward superstructure or gun mounts. The optimized floor beam model is then statically analyzed to find the maximum stress von mises stress. Looking at the image above let us say the pilots are able to land this aircraft with wheels up in an emergency situation.

International journal of aerospace and mechanical engineering volume 2 no 6 december 2015.