Innovations and Practices

plantcitybusinessUrban and Civil

Nov 26, 2013 (3 years and 8 months ago)

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Innovations and
Practices

The Missouri Department


of Transportation

Evaluating Fiber Reinforced Polymer
(FRP) Slab Drains.


Made of: Filament
-
wound thermosetting resin.

Benefits: Increased field adjustability and less
lead time. Less weight means its safer to
handle.

Costs: Overall similar ~$25/foot.

Negatives: Leftovers Wasted

JSP: January Letting


J5P2196


J5S0902


Evaluating Fiber Reinforced Polymer
(FRP) Slab Drains.


Rectangle or Oval are being considered.

Box Beams and Cored Slabs


Continued Use of Spread and Adjacent Designs


Primarily Built With a Concrete Deck.



Bent Cap Geometry Crucial

for Adjacent Design.



Different Bearing Pad

Configurations Useful to

Address Different Issues.



Beam Camber Shouldn’t be

an Afterthought. (Especially

on Adjacent Designs)








Box Beams and Cored Slabs


PT Duct Alignment Is Part

of Beam Setting.



Tensioning Sequence Can

Be Either a Problem or a

Solution.



Lubrication Useful to

Prevent Beam Rolling

During Tensioning.










Contact Info

Michael.meyerhoff@modot.mo.gov

573 522 5047