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CaltransType1RW

This subassembly inserts a retaining wall structure with one tapered side and a key at the bottom based on Caltrans Standard Plan 2010, B3-1 and B3-2 (Type 1).

The Standard Plan maybe found here: http://www.dot.ca.gov/hq/esc/oe/project_plans/highway_plans/stdplans_US-customary-units_10/viewable_pdf/b03-01.pdf

Back Facing - Without Barrier
 
 
Back Facing - With Barrier
 
Face Facing - Without Barrier
 
Face Facing - With Barrier
 
 

Attachment

The attachment point is at the top of the retaining wall when Back Facing and on the face of the retaining wall when face facing.

Input Parameters

Note: All dimensions are in feet unless otherwise noted.   
 

Parameter

Description

Type

Default

Side

Specifies to insert the subassembly either on the right or the left side of the attachment point.

Left / Right

Right

Wall Link Codes

Link codes to use for the wall portion of the subassembly.

String

Wall

Wall Point Codes

Point codes to use for the wall portion of the subassembly.

String

Wall

Footing Point Codes

Point codes to use for the footing portion of the subassembly.

String

Footing

Footing Link Codes

Link codes to use for the footing portion of the subassembly.

String

Footing

Use B11-55

Specifies whether or not to use a barrier at the top of the subassembly based on Caltrans Standard Plan B11-55.

Yes/No

Yes

Footing Cover

The distance above the footing for the attachment point for another subassembly.

Double

1.5 ft

Attachment Point

Determines whether the footing is forward facing or backwards facing.

Back/Face

Back

Target Parameters

This section lists the parameters in this subassembly that can be mapped to one or more target objects, such as a surface, alignment, or profile object in a drawing. For more information, see in the AutoCAD Civil 3D User’s Guide Help. 

Parameter

Description

Status

Wall Height

Is used to find the footing dimensions to use in the subassembly based on the table in the Standard Plan. The profile elevation needs to correspond to the required wall height. For instance to get the 4 foot wall footing dimensions and batter, the profile elevation would be 4’. The following object types can be used as targets for specifying this elevation: profiles, 3D polylines, feature lines, or survey figures.

Optional

Top of Footing

Is used to specify the top of footing elevation for the subassembly. The following object types can be used as targets for specifying this elevation: profiles, 3D polylines, feature lines, or survey figures.

Optional

Top of Wall

Is used to specify the top of wall when the subassembly is set to the Face Attachment Point.

Optional

Elev at Face

Is used to provide a way to control the point P20’s elevation in relation to the Top of Footing. Is used only for when the subassembly is set to the Back Attachment Point.

Optional

Output Parameters

None.

Behavior

This subassembly can be inserted on either the left or the right sides. The attachment point is assumed to be where the finish grade intersects the inside face. The wall height is determined from the attachment point to the Top of Footing elevation in the profile.

Layout Mode Operation

In layout mode, the subassembly draws the retaining wall shape as specified by a 4’ high retaining wall.

 

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