Cranes in which there is a girder in the form of an I-beam
are widely used in industry due to their small size, their weight and the ensuing price.
Analysis of stress-strain state structures showed some features of the frames mono-symmetrical I-beams
in compare to symmetric profiles: first, due to asymmetrical type of profile the shift of the gravity section center appears, which leads to a redistribution of internal forces in the frame, that requires to adjust rod design scheme frames after sections selecting; secondly, because of the small cross-sectional area it is difficult to ensure the stability of the plane form of bending beams, which leads to the necessity to disconnect the areas curtain beams by the constraints with smaller steps.
The bridge structure is comprised of 11 steel I-beam
supports on both side abutments and in the median.
* Second shipment of 24 I-Beams
is arriving in 2013.
HP14 by 117 pound I-beams
were used as walers, hauled into the excavation and held in place horizontally by the excavator while a welder tacked them to the vertical beams in the caissons.
The exposed I-beams
will be hidden behind a more attractive covering.
are processed through the facility's new structural drill, cranes move the I-beams
into place on welding tables.
Ten notched A572-G50 bridge steel I-beams
were simply supported on a large-scale testing frame with a transverse load acting at the midpoint of the span (three-point bending), simulating the loading condition of actual bridge members.
We know these places: the empty lot next to the discount supermarket at the edge of town; the corroding I-beams
of the new development that went bankrupt midconstruction; the dried-out riverbed that crosses under the highway; the shuttered rest stop.
Axion is providing all parts for the two Recycled Structural Composite (RSC) bridges, including pilings, I-beams
for pile caps and main girders, and crossties/curbing.
They can use the crane to move food to the right compartment and use roadblocks, I-beams
and warning codes to mark their territory.
Simple method to stabilize I-beams
against lateral buckling, Journal of Structural Engineering 119(10): 2855-2870.