Bridges and Structures

a push or pull...with bridges, force is applied in the form of a load

a horizontal beam supported at 2 ends

a beam supported at only 1 end

when a beam bends in the middle

the weight of the materials that are used to build the bridge

the weight of objects carried on the bridge

live load plus dead load

the total length of the bridge from pier to pier

the sudden high impact weight of objects on a bridge

the load on a bridge caused by mother nature

the force that shortens of squeezes a structure

a fore that lengthens or stretches a structure

a strain produced when the material is twisted

a force that moves material in a sideways direction

the support columns on a bridge... also called pillars or towers

a shape commonly used in bridge design

the mass of rock or concrete at either end of an arch bridge to keep the ends securely in place

simplest form of bridge, a ridgid, straight structure resting on piers, columns, or towers at either end

a type of beam bridge reinforced to be a framework of triangles

type of beam bridge that gets support from counter balenced beams meeting in the middle

the deck of this bridge hangs from wires attached to cables; concrete anchors keep in in place

most modern bridge; deck is supported by cables attached to towers

bridge with a curved structure

final, wedge shaped piece, the center of an arch bridge to keep all other stones in place

acts like a see-saw; sections can be lifted by using balance

a person who researches and designs bridges and other structure

a structure that provides a way across a barrier. It connects, supports, or links one thing to another

an arrangement that is balanced and equal of oppisite sides of a center dividing line