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Using the Stair Calculator
1
In drawing area, select the stairs, and click Modify Stairs tab
➤
Element panel
➤
Element
Properties drop-down
➤
Type Properties.
2
In the Type Properties dialog, under Construction, click Edit for Calculation Rules.
3
In the Stair Calculator dialog, select Use Stair Calculator for slope calculation.
4
Under Calculation Rule for target slope, enter a value to multiply by Rise.
5
Enter a value to multiply by tread Depth.
6
Enter a Maximum Result and a Minimum Result for the stair calculator.
NOTE
The stair calculator uses the tread depth you specified in the instance properties of the stairs.
If the value you specified causes the calculator to produce values that are outside the range of the
acceptable results, a warning is displayed.
7
Click OK.
The stair calculator computes the tread depth for new stairs only; existing stairs are not affected.
Rule-of-Thumb Formulas
The following is a rule-of-thumb formula for interior stairs, as specified in the Architectural Graphic Standards.
■
Riser + Tread = 17.5 inches: 7.5 inches for the riser height; 10 inches for the tread depth.
■
Riser * Tread = 75 inches.
■
2(Riser) + Tread is greater than or equal to 24 inches (minimum threshold) or less than or equal to 25
inches (maximum threshold).
Modifying Stairs
Boundaries and Riser and Run Lines
Stair boundaries, as well as riser and run lines, can be modified to shape the stairs in the desired manner.
For example, you can select the run line and drag it to add or remove risers. See the Revit Architecture
tutorials for more information.
Modifying Stair Railings
When you add stairs, stair railings are added automatically. You can modify stair railings at any time after
their creation.
1
Select a railing.
If you are working in a plan view, it may be helpful to use the
TAB
key to select the railing.
TIP
Modifying railings in a 3D view allows for easier selection and better view of your changes.
2
To modify the properties of the railing, click Modify Railings tab
➤
Element panel
➤
Element
Properties.
3
To modify the sketch line of the railing, click Modify Railings tab
➤
Edit panel
➤
Edit Path.
Modifying Stairs | 735
Содержание 256B1-05A761-1301 - AutoCAD Revit Structure Suite 2010
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Страница 229: ...Schedule Field Formatting Calculating Totals Specifying Schedule Properties 187 ...
Страница 230: ...Schedule with Grid Lines Schedule with Grid Lines and an Outline 188 Chapter 5 Project Views ...
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Страница 427: ...Defining the first scale vector Defining the second scale vector Resizing Graphically 385 ...
Страница 454: ...Before painting applying material to stairs 412 Chapter 8 Editing Elements ...
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Страница 802: ... Attachment Style Cut Column Attachment Justification Intersect Column Midline 760 Chapter 13 Architectural Design ...
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