STEEL TRUSS TYPE E (50 FT - 140 FT) - …mdotcf.state.mi.us/public/tands/Details_Web/sign-360-a.pdfChord splice column \ Right ... DESIGN DIVISION DIRECTOR, BUREAU OF FIELD SERVICES

ISOMETRIC VIEW

Back truss chord

Bottom truss chord

\ Truss

Drilled shaft

\ Span (Even number of panels)

\ Span (Odd number of panels)

Top truss chord

* see camber diagram sheet 2

Truss

depth

3"

14140’

135’ 14

130’ 13

125’ 13

120’ 12

115’ 12

110’ 11

105’ 11

100’ 10

95’ 10

90’ 9

85’ 9

80’ 8

10’-0"

7’-6"

10’-0"

7’-6"

10’-0"

7’-6"

10’-0"

7’-6"

10’-0"

7’-6"

10’-0"

7’-6"

10’-0"

75’ 8

70’ 7

65’ 7

7’-6"

10’-0"

7’-6"

60’ 6

55’ 6

50’ 5

10’-0"

7’-6"

10’-0"

Truss Data

8’-0"

6’-0"

42"

38"

2"

2"

1"

*

3 1/8"

2 7/8"

2 5/8"

2 1/2"

2 1/4"

2 1/8"

1 7/8"

1 3/4"

1 1/2"

1 3/8"

1 1/4"

1 1/8"

1 1/8"

7/8"

3/4"

5/8"

Length

Truss

Panels

of

Number

Length

Panel

End

Chord)

(Chord-to-

Truss Depth

Diameter

Plate

Base

Midpoint

at

Camber

(See details sheets 3 & 4 of 10)

Column truss connection

sheet 10 of 10)

(See details

Chord splice

column

\ Right

sheets 5 & 6 of 10)

Base plate (See details (See chart below)

varies (Typ.)

End panel

angles (Typ.)

Truss web

grade

finished

Top of

column

\ Left 10’- 0" (Typ.)

Intermediate panel

STEEL TRUSS TYPE E

(50 FT - 140 FT)

1 10

09/15/11 08/11/11SIGN-360-A

DHD

AJU

DEPARTMENT DIRECTOR MICHIGAN DEPARTMENT OF TRANSPORTATION

OF

SHEET

PLAN DATEF.H.W.A. APPROVALCHECKED BY:

DRAWN BY:

Michigan Department of Transportation

BUREAU OF HIGHWAY DEVELOPMENT STANDARD PLAN FOR

APPROVED BY:

APPROVED BY:

Kirk T. Steudle

BY

PREPARED

DESIGN DIVISION

DIRECTOR, BUREAU OF FIELD SERVICES

DIRECTOR, BUREAU OF HIGHWAY DEVELOPMENT

CAMBER DIAGRAM

Camber

1/2 Span 1/2 Span

2 10

09/15/11 08/11/11SIGN-360-A

per foot.

Warpage in the base plate shall not exceed 1/16"23.

all bolts are installed.

110’ and 140’. No signs shall be erected until

connection plate for span lengths between

50’ and 105’, and 4 bolts minimum per chord-column

minimum per chord-column connection plate for span lengths between

prior to letting traffic resume under the erected truss shall be: 2 bolts

During the erection process the minimum number of bolts required to be installed 22.

The estimated weight of the truss is 195 lbs/ft.21.

the MDOT Standard Specifications for Construction under each nut for splice connections.

stated. Use an ASTM F436 flat washer and a lock washer according to Section 908.09.C of

Use 7/8"! ASTM A325 bolts for all connections. Provide 1"! holes unless otherwise 20.

All steel plates shall be ASTM A709, Grade 36.19.

Web angles shall be ASTM A36 l 5"x 5"x 7/16" or l 5" x 5"x 1/2".18.

6 5/8"x 0.432".

HSS 6"! HSSx 0.375" or ASTM A500, Grade B HSS 6 5/8"x 0.432" or ASTM A500, Grade B HSS

Chord sections shall be ASTM A500, Grade B HSS 6"! x 0.500", ASTM A519-4140 annealed 17.

feet to 140 feet trusses shall be 24"! x 1.219".

feet trusses shall be 24"! x 0.938", 24"! x 0.969" may be substituted. Sections for 110

Column sections shall be ASTM A53, Grade B or API-5l-X42. sections for 50 feet to 105 16.

See current MDOT Sign Support Typical Plan Sign-700-Series for sign connection.15.

See current MDOT Sign Support Typical Plan Sign-340-Series for sign foundation.14.

Blast clean base plates, stiffeners, and all weldments prior to galvanizing.13.

Perform ultrasonic inspection of butt welded splices in column and chord members.12.

on this typical will require approved shop drawings before fabrication.

field splice \ 1’-6" min. to the gusset plate edge. Any deviation from the details shown

Field splices may be placed along the structure to facilitate fabrication. Place 11.

feet.

For truss lengths 110 feet to 140 feet, minimum sign height with aluminum beam is 9 10.

feet.

For truss lengths 50 feet to 105 feet, minimum sign height with aluminum beam is 7 9.

Maximum projection of the sign beyond the top chord is 6 feet.8.

Do not lift the trusses by the web members.7.

washer and lock washer under each nut and tightened to a snug tight condition.

Subsection 707.03.D. except at splice connections. Splice connections shall have a flat

Tighten all high strength galvanized bolts by the turn of the nut method according to 6.

Hot-dip galvanize all truss components prior to bolted assembly.5.

Specifications for Construction".

All structural steel, bolts, welding and galvanizing shall be per "MDOT Standard 4.

Type I signs shall not be used on the same truss as variable message signs.3.

truss.

Maximum sign area is 1200 square feet. Signs should not project past the ends of the 2.

Structural Supports for Highway signs, Luminaries and Traffic Signals, current Edition.

The design of this structure is based on the AASHTO Standard Specifications for 1.

NOTES:

NOT TO SCALE

NOTE: THE ORIGINAL SIGNED COPY IS KEPT ON FILE AT THE MICHIGAN DEPARTMENT OF TRANSPORTATION.

MICHIGAN DEPARTMENT OF TRANSPORTATION

BUREAU OF HIGHWAY DEVELOPMENT STANDARD PLANPLAN DATEF.H.W.A. APPROVAL

SHEET

OF

VIEW A-A

TRUSS CONNECTION DETAIL

RIGHT COLUMN

(Typ.)

45°

(LEFT COLUMN SIMILAR)

Top truss chord

\ Gusset plates

Bott truss chord

\ Top chord

Level 45°

\ Column

\ Column

Base plate

Optional splice

1"

Cap

6"

6"

12

"

(M

in.)

30°

3/4" Plate (Typ.)

l5 x 5 x 7/16

5/8" Plate (Typ.)

1/4

1/4

6 1/2"

3/8"

1/4

1/4

3/4" Plate (Typ.)

sheet 10 of 10)

Column cap (See details 2

6’- 3

" (M

ax

.)

(Typ.*)

Chord

\ Bottom

angles (Typ.)

Truss web

See Detail A

1/4"

(Typ.)

l5 x 5 x 7/16

chord

Back truss

chord

\ Truss

(50’ to 105’ T

russ)

(1

10

’ to

1

40

’ T

ru

ss)

Stop 1/4" short of corner clip

* Wrap weld around outside edge,

std. chill ring

1/4"x 2" Plate or

BUTT-WELDED SPLICE

DETAIL OF OPTIONALplates omitted for clarity)

(Web members and connection

(Typ.*)

A

B B

A

2’- 5 1/4"

3’- 3

3

/4

"

6’- 1

5

/8

" C

lear b

etw

een

p

lates

8’- 1

5

/8

" C

lear b

etw

een

p

lates

50

’ to

1

05

tru

ss

6’- 0

" F

or

11

0’ to

1

40

’ tru

ss

8’- 0

" F

or

Truss depth

2’- 7" for 6’- 0"

0" Truss depth

3’- 5 1/2" for 8’-

3 10

09/15/11 08/11/11SIGN-360-A

NOT TO SCALE

NOTE: THE ORIGINAL SIGNED COPY IS KEPT ON FILE AT THE MICHIGAN DEPARTMENT OF TRANSPORTATION.

MICHIGAN DEPARTMENT OF TRANSPORTATION

BUREAU OF HIGHWAY DEVELOPMENT STANDARD PLANPLAN DATEF.H.W.A. APPROVAL

SHEET

OF

SECTION B-B

CHORD-COLUMN CONNECTION PLATE DETAILS

\ Bolts

\ Plate

24"! Pipe

\ Column

\ Column

Truss chord

2’- 0"!

\ Chord

1"

1’- 1"

3’- 4"

12

"

1"

1’- 1"

2’- 3"

4"

4"

4"

4"

4"

4"

2"

6"

6"

2’- 3"

5/8" Plate

3/4"

1’- 1

1

/2

"1’- 1 1/2"

1/2"

1 3/4"1 3/4"

1/2"

3/4"

4 3/4" 4 3/4"

6 1/2"

\ 3/4" Plate and \ truss chord

1’- 2 1/2"

1 1/2"

3’- 4 1/2"

1 1/2"

1 1/

2"

1’- 1 1/2"

1 1/2"

1 1/2"

1 3/4"1 3/4"

1 3/4" 9 1/2" 15/16"! Hole (typ.)

4 3/4" 4 3/4"

\ 3/4" Plate

(Typ.)

bottom of >

\ Chord &

gusset >

\ Chord & angle

Truss web

plates omitted for clarity)

(Web members and connection

DETAIL A

3’- 1 1/2" for 6’- 0" Truss depth

4’- 0" for 8’- 0" Truss depth

1’ - 1 1/2"

3/8

3/8

2’-7" for 6’- 0" Truss depth

3’- 5 1/2" for 8’- 0" Truss depth

4 10

under the bolt head and the nut.

nut. ASTM F436 flat washers required

A plate washer is required under the

2 1/8"x 15/16" Slotted hole (Typ.)

2-1/2"

1-1/2"

3-1/2"

1-3/4"

Plate Washer Detail

(2-1/2" x 3-1/2" x 5/16")

15/16"!

09/15/11 08/11/11SIGN-360-A

NOTE: THE ORIGINAL SIGNED COPY IS KEPT ON FILE AT THE MICHIGAN DEPARTMENT OF TRANSPORTATION.

MICHIGAN DEPARTMENT OF TRANSPORTATION

BUREAU OF HIGHWAY DEVELOPMENT STANDARD PLANPLAN DATEF.H.W.A. APPROVAL

SHEET

OF

SECTION C-C

DETAIL B

PLAN VIEW 38" BASE PLATE

DETAIL C

Column O.D. 24"

See Detail B

Base plate

Column

\ Column

Drilled shaft

30°

See Detail C

Column wall

*

Continuous

*

Drilled shaft

4" 3"

7"

1"

1"

1"

3"

1"

(Typ.)

3"

1/4"

1’- 4 1/2"

3/8 3/8

5/16

5/8

5/8

1/4

1/4"x 1" min

Back up ring

plate

1" Stiffener

stop weld 1/4" around corner clip

* Wrap weld around outside edge

plate (typ.)

1" Stiffener

nut (Typ.)

Leveling

bolt (Typ.)

\ Anchor

grind smooth

Weld and

\ 32" ! Bolt circle

plate (Typ.)

1" Stiffener

for 2"! bolts

2 3/16" ! Holes

Base plate 38" ! x 3"

6" ! Hole

\ Column (Typ.)

1/4"

(Typ.)

15°

C C

5 10

09/15/11 08/11/11SIGN-360-A

NOT TO SCALE

NOTE: THE ORIGINAL SIGNED COPY IS KEPT ON FILE AT THE MICHIGAN DEPARTMENT OF TRANSPORTATION.

MICHIGAN DEPARTMENT OF TRANSPORTATION

BUREAU OF HIGHWAY DEVELOPMENT STANDARD PLANPLAN DATEF.H.W.A. APPROVAL

SHEET

OF

PLAN VIEW 42" BASE PLATE

SECTION D-D

Column O.D. 24"

Anchor bolt (Typ.)

\ Column

\ 36"! Bolt circle

Drilled shaft

(Typ.)

6" 3"

3"

3"

1/4"

1’- 1

0"

(sheet 5)

See Detail C

1" Plate (Typ.)

(sheet 5)

See Detail B

nut (Typ.)

Leveling

Drilled shaft

(Typ.)

11.25°

for 2" ! bolts

2 3/16"! Holes

\ Column (Typ.)

6" ! Hole

Base plate 42" ! x 3"

D D

6 10

09/15/11 08/11/11SIGN-360-A

NOTE: THE ORIGINAL SIGNED COPY IS KEPT ON FILE AT THE MICHIGAN DEPARTMENT OF TRANSPORTATION.

MICHIGAN DEPARTMENT OF TRANSPORTATION

BUREAU OF HIGHWAY DEVELOPMENT STANDARD PLANPLAN DATEF.H.W.A. APPROVAL

SHEET

OF

VIEW E-E

FRONT OF TRUSS ELEVATION

TYPICAL SECTION OF TRUSS

(BACK TRUSS CHORD AND ATTACHED ANGLES NOT SHOWN FOR CLARITY)

Back truss chord

Top truss chord

Bottom truss chord

\ Truss

30°

30°

\ Top chord

\ Back truss chord

\ Top truss chord

\ Top truss chord

\ Column

\ Column

\ Column\ Column

(VIEW F-F SIMILAR)

6’-0

" O

r 8

’-0

"

plates

\ Connection

chord

\ Bottom

number of panels)

\ Span (odd

number of panels)

\ Span (Even See Detail D

plates

\ Connection

plates

\ Connection

See Detail J

See Detail FSee Detail E

See Detail H

See Detail G

angles (Typ.)

Truss web

truss chord

\ Bottom See Detail K

number of panels)

\ Span (Even number of panels)

\ Span (Odd See Detail L

angles (Typ.)

Truss web

F

E

F

E6’- 0" For 50’ to 105’ span

8’- 0" For 110’ to 140’ span

50’ to 105’ span

3’- 0

" F

or

110’ to 140’ span

4’- 0

" F

or

6’- 0" F

or 50’ to 105’ span

8’- 0

" F

or 1

10

’ to

1

40

’ sp

an

50’ to 105’ span

3’- 0

" F

or

110’ to 140’ span

4’- 0

" F

or

5’-2 3/8" For 6’- 0" truss depth

6’-11 1/8" For 8’- 0" truss depth

6’- 0

" o

r 8

’- 0

"

7 10

09/15/11 08/11/11SIGN-360-A

NOT TO SCALE

NOTE: THE ORIGINAL SIGNED COPY IS KEPT ON FILE AT THE MICHIGAN DEPARTMENT OF TRANSPORTATION.

MICHIGAN DEPARTMENT OF TRANSPORTATION

BUREAU OF HIGHWAY DEVELOPMENT STANDARD PLANPLAN DATEF.H.W.A. APPROVAL

SHEET

OF

\ Chord

\ Chord

\ Chord

\ Chord

\ Chord

\ Chord

\ Bolts

\ Bolts

\ Bolts

\ Bolts (Typ.)

\ Chord

\ Bolts (typ.)

\ Bolts (Typ.)

\ Chord

*

*

*

*

*

*

** See sheet 9 of 10 for alternate connection details.

* Dimension typical for all connection details.

\ Column

\ Column

90°

(Min.)

(M

in

.)

(Min.)

10"

(Min.)

3"

3"

(Min.)

(Min.)

(Min.)

2’- 6"

(Min.)

1’- 8"

(Min.)

1"

(Min.)

10"

(Min.)1"

(Min.)

(Min.)

10"

1’- 8"

1’- 8"

1’-8"

1/2" Gusset >

1/2" Gusset >

1/2" Gusset >

1/2" Gusset >

1/2" Gusset >

1/2" Gusset >

1 1/2"

1/2" Gusset >

1/2" Gusset >

2 1/4"

1 1/2"

1 1/2"

angle (Typ.)

Truss web

angle (Typ.)

Truss web

angle

Truss web

to plane of view

plate shown skewed

(see details sheet 4 of 10)

Column connection >

angle (Typ.)

Truss web

angle

Truss web

(see details sheet 4 of 10)

Column connection >

angle

Truss web

angle (Typ.)

Truss web

(Typ.)

\ Bolts

(Typ.)

\ Bolts angle

Truss web

DETAIL F **

DETAIL D **

DETAIL H **

DETAIL G **

DETAIL E **

DETAIL J **

DETAIL K ** DETAIL L **

8 10

09/15/11 08/11/11SIGN-360-A

NOTE: THE ORIGINAL SIGNED COPY IS KEPT ON FILE AT THE MICHIGAN DEPARTMENT OF TRANSPORTATION.

MICHIGAN DEPARTMENT OF TRANSPORTATION

BUREAU OF HIGHWAY DEVELOPMENT STANDARD PLANPLAN DATEF.H.W.A. APPROVAL

SHEET

OF

\ Chord

\ Chord

\ Chord

\ Chord

* Dimension typical for all connection details.

\ Chord

\ Chord

\ Chord

\ Chord

\ Column

\ Column

90° Neutral axis of angle

2’- 6"

(Min.)

10"

(Min.)

1’- 8"

(Min.)

4"

8"

1’- 8"

(Min.)

1’- 8"

(Min.)

1’- 8"

(Min.)

8"

4"

(Typ.)

(Typ.)

6" 1"

(Min.)

10"

(Min.)1"

(Min.)

10"

(Min.)

1/2" Gusset >

1/2" Gusset >

1/2" Gusset >

1/2" Gusset >

1/2" Gusset >

1/2" Gusset >

1/2" Gusset >

1/2" Gusset >

9 10

1 3/8"

1

3/8"

(Min.)

angle (Typ.)

Truss web

(Min.)

of angle (Typ.)

Neutral axis

ALTERNATE DETAIL D

angle (Typ.)

Truss web

(Min.)

(Min.)

of angle (Typ.)

Neutral axis

ALTERNATE DETAIL E

angle

Truss web

of angle

Neutral axis

to plane of view

plate shown skewed

(See details sheet 4 of 10)

Column connection >

ALTERNATE DETAIL F

angle (Typ.)

Truss web

ALTERNATE DETAIL G

of angle (Typ.)

Neutral axis

angle

Truss web

of angle

Neutral axis

ALTERNATE DETAIL H

(M

in

.)

(See details sheet 4 of 10)

Column connection >

angle

Truss web

ALTERNATE DETAIL J

of angle (Typ.)

Neutral axis

angle (Typ.)

Truss web

ALTERNATE DETAIL K ALTERNATE DETAIL L

angle

Truss web

of angle

Neutral axis

09/15/11 08/11/11SIGN-360-A

NOT TO SCALE

NOTE: THE ORIGINAL SIGNED COPY IS KEPT ON FILE AT THE MICHIGAN DEPARTMENT OF TRANSPORTATION.

MICHIGAN DEPARTMENT OF TRANSPORTATION

BUREAU OF HIGHWAY DEVELOPMENT STANDARD PLANPLAN DATEF.H.W.A. APPROVAL

SHEET

OF

COLUMN CAP DETAIL

PLUG DETAIL

SECTION H-H

CHORD SPLICE CONNECTION DETAILS

ELEVATION

SECTION G-G

\ Column

(USE AT EACH END OF BACK CHORD)

(Typ.)

\ Chord

\ Chord

\ Chord

\ Splice

\ Column

3 Spa @ 3"= 9" 3" 3" 3 Spa @ 3"= 9"

3" 7 Spa @ 3"= 1’- 9" 3"

3"

1/2" Hex head bolt

1/4"

1/2"

1/4" Cap plate

L1 1/2 x 1 1/2 x 1/4

3/16"

1/4" Plate

1 1/2"

l6 x 6 x 1/2

1 1/2"

2 3/16"

3 13/16"

between pipes

1/8" Max. gap

G

G

7/8" ! Bolt w/lock washer (Typ.)

for 1/2" ! bolt

or tap hole in angle

tack weld 1/2" hex nut

9/16" ! Hole

HH

w/lock washer (Typ.)

7/8" ! Bolt (Typ.)

09/15/11 08/11/11SIGN-360-A

10 10

MICHIGAN DEPARTMENT OF TRANSPORTATION

BUREAU OF HIGHWAY DEVELOPMENT STANDARD PLANPLAN DATEF.H.W.A. APPROVAL

SHEET

OF