Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Twin-axis prestressed single-tee beam with lower flange and process of construction










Image Number 4 for United States Patent #6058666.

A twin-axis prestressed single-tee beam with lower flanges and process of construction is previded. The process includes construction of a cantilever prestressed beam and a simple-support prestressed beam. Both of them have a steel skeleton of roughly Y-shaped section including a pair of upward tilted flanges on the top and a pair of narrower flanges on the bottom. The steel skeleton of a cantilever prestressed beam has a flat top and a arcuate bottom, and the steel skeleton of a simple-support prestressed beam has an upwardly arcuate generally rectangular body. Pressures are applied to the upper and lower flange by a plurality of hydraulic presses, so as to force the skeletons to be deflected to become nearly straightened. Then mounts an outer mold conforming the outer shape of the skeletons prior to grouting the concrete. When the concrete is cured. The cantilever prestressed beam shall exert the resilient forces both along the longitudinal direction as well as the transverse direction and the simple-support prestressed beam exerts the resilient forces both along the longitudinal and transverse directions either. So that the downward pressure and the tension stress of the traffic load will be offset and/or obviated by these resilient forces.








 
 
  Recently Added Patents
Connector interface for a cable
Biodiesel data collection system
Device for installing conducting components in structures
Fast base station switching method and system, and hierarchical zone-based fast handoff approach
Sperm factor sequences
Memory management configuration
Display device and projector
  Randomly Featured Patents
Oxygen-permeable polymeric membranes
HGCDTE S-I-S two color infrared detector
AGC circuit with a digital divider for an optical disc drive unit
Liquid crystal display device comprising improved alignment layers for liquid crystal
Secret-key enciphering method and arrangement therefor capable of preventing unfair acquirement of information
Switching circuit for connecting a magnetic head in a magnetic recording and reproducing apparatus
Information transmission system and information transmission apparatus
Diaryl ether .beta.2 adrenergic receptor agonists
Accurate and cost effective linear interpolators
Circuit and method for driving self light-emitting display device