RM Bridge Advanced Wizard Help

Cross Section Page

The Superstructure Cross section parameters page is used to define the cross sectional dimensions along the bridge. The cross section is a concrete deck and Built-up plate girder I-section.

Setting

Description

Deck parameters

Setting	Description
Same as	option copies deck parameters values from one span to another.
Deck width (w)	Width of the cast-in-place deck measured from edge to edge
Deck depth (d)	Thickness of the cast-in-place deck.
Haunch top width (htw)	Width at deck bottom surface of the concrete layer between a superstructure member and a concrete deck.
Haunch bottom width (hbw)	Width at girder top flange surface of the concrete layer between a superstructure member and a concrete deck.
Haunch depth (hd)	Thickness of the concrete layer between a superstructure member and a concrete deck (just for information, it is auto computed as a difference between vertical offset/alignment reference and deck depth; hd=V.offset-(d+h/2)).
Variable deck width left/right	Applies a variation of the left or right deck width along the bridge length. The difference from the variation and half the deck width will automatically be added to the corresponding overhang in the generated RM model.

Typical girder parameters

Setting	Description
Same as	option copies typical girder parameters values from one span to another.
Number of girders	Number of steel girders used for the composite bridge.
Girder type	Sectional shape of the steel girders used.
Girder ID	Select the primary member id to be used (only I-shape is allowed). By right clicking on the arrow, add/edit options will be available and send you to profiles definition menu where you can add new profiles or modify existing ones.
Alignment reference	Typical points in cross-sections to be used for measuring distances between different parts or members; we have 5 options for selection and showed in a picture next to it: TopFlange TopWeb CenterWeb BottomWeb BottomFlange.
Vertical offset	Vertical distance between the reference point of the slab and the reference point on the girder, point that was selected in alignment reference field.
Roadway	After the roadway template is assigned for a certain span a series of options described below must be selected depending on the required deck slab design.	Deck bottom surface: parallel to top surface /Straight	Girder positioning: Normal to deck bottom surface/ Vertical	Pier cap top surface: Horizontal/ Parallel to deck surface