DuraGlass Round Tapered Shafts
Standard DuraGlass column shafts are the same height as the listed size . Tuscan cap and base and Attic base go around the shaft , and do not affect the overall height . Ornamental capitals are set on top of the column astragal , and will affect the overall height : see the Poly-Classic ® Ornamental Capitals specifications ( page 18 ) for available capital sizes and more information .
F E
DGL
G
H
|
⁄ ⁄ ⁄ ⁄ ⁄
Column nominal diameter j
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Shaft height |
Shaft bottom j
Outside
Inside diameter diameter
|
Shaft top j
Outside
Inside diameter diameter
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Space available inside shaft
For
For round square
|
Shaft neck
Neck
Astragal height ring
|
Straight portion of shaft |
Load capacity |
|
( A ) |
( C ) |
( D ) |
( G ) |
( H ) |
support |
support |
( F ) |
( E ) |
( B ) |
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8 ’ |
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0 |
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10 ’ |
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0 |
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12 ’ |
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0 |
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14 ’ |
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0 |
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16 ’ |
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0 |
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30 ” |
18 ’
20 ’
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30 ” |
29 ” |
24 1 2 ” |
23 1 2 ” |
23 ” |
16 1 4 ” |
13 5 8 ” |
2 3 8 ” |
1 ’ -6”
3 ’ -6”
|
25,000 lb . |
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22 ’ |
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5 ’ -6” |
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24 ’ |
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7 ’ -6” |
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26 ’ |
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9 ’ -6” |
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28 ’ |
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11 ’ -6” |
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30 ’ |
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13 ’ -6” |
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j Actual shaft net diameters may be smaller than nominal size shown . |
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G
A
Tuscan Cap and Base
F E
D
C
B
|
⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ ⁄
Tuscan Base
|
Tuscan Cap |
Column diameter |
Plinth |
Torus |
Total height |
Echinus |
Abacus |
Total height |
Material |
|
( A ) |
( B ) |
( C ) |
( D ) |
( B-D ) |
( E ) |
( F ) |
( G ) |
( E-F ) |
|
30 ” |
40 1 2 ” |
7 1 4 ” |
6 1 2 ” |
2 3 4 ” |
16 1 2 ” |
4 7 16 ” |
5 1 8 ” |
35 3 4 ” |
9 9 16 ” |
Fiberglass |
Optional Attic Base Column
Plinth Torus Total height diameter
Material
( A ) ( B ) ( C ) ( D ) ( E ) ( F ) ( B-F ) 30 ” 40 1 ⁄ 2 ” 7 1 ⁄ 4 ” 3 7 ⁄ 8 ” 3 5 ⁄ 8 ” 2 5 ⁄ 8 ” 1 7 ⁄ 8 ” 19 1 ⁄ 4 ” Fiberglass
|
A |
B
A Attic Base
|
D
C
E F
C D B
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DuraGlass Round Non-Tapered Shafts |
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Standard DuraGlass column shafts are the same height as the listed size . Tuscan caps and bases and Attic bases go around the shaft , and do not affect the overall height . Tuscan bases are used ( upside-down ) as caps . Ornamental capitals are not available for non-tapered shafts . |
|
B |
B
C
|
|
⁄ ⁄
Column nominal diameter j
|
Shaft height
( A )
|
Shaft bottom j
Outside
Inside diameter diameter
( B )
( C )
|
Shaft top j
Outside
Inside diameter diameter
( B )
( C )
|
Space available inside shaft
For round
For square support support
|
Load capacity |
|
8 ’ |
|
|
|
|
|
10 ’ |
|
|
|
|
30 ” |
12 ’ 14 ’ 15 ’ |
30 ” |
29 ” |
30 ” |
29 ” |
28 1 2 ” |
20 1 8 ” |
25,000 lb . |
j Actual shaft net diameters may be smaller than nominal size shown . |
A
B C D
|
A |
B |
C
B
|
Tuscan Base Tuscan Cap
Column D
Plinth Torus Total height Echinus Abacus Total height diameter
C Material
( A ) ( B ) ( C ) ( D ) ( B-D ) ( D ) ( C ) ( B ) ( A ) ( B-D )
B 30 ” 40 1 ⁄ 2 ” 7 1 ⁄ 4 ” 6 1 ⁄ 2 ” 2 3 ⁄ 4 ” 16 1 ⁄ 2 ” 2 3 ⁄ 4 ” 6 1 ⁄ 2 ” 7 1 ⁄ 4 ” 40 1 ⁄ 2 ” 16 1 ⁄ 2 ” Fiberglass
A
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