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Diaphragm Bar

2 pages · 6 crops · ×4 · superstructure

⚠ No class in the bridge ontology fits this itemAdd a class

The ontology would need a diaphragm bar component class.

Every dimension read for it15

  • 1”FROM BEAM FACEp10 · p10_r04 dia
  • 1”Diaphragm bar diameterp10 · p10_r08 tighten diaphragm bar as per sub section
  • 5”Threaded length on each endp10 · p10_r08 tighten diaphragm bar as per sub section
  • 1″centerline offsetp10 · p10_r04
  • 3″horizontal dimensionp10 · p10_r04
  • 5″diameterp10 · p10_r04
  • 1″cutoff distance from beam facep10 · p10_r04
  • 1”diaphragm bar diameterp10 · p10_r08
  • 5”threaded length on each endp10 · p10_r08
  • 1"Centerline dimensionp11 · p11_r04 recess detail for diaphragm bar ends
  • 1"Cutoff distancep11 · p11_r04 recess detail for diaphragm bar ends
  • 1"Diaphragm bar diameterp11 · p11_r04 recess detail for diaphragm bar ends
  • 5"Thread length on each endp11 · p11_r04 recess detail for diaphragm bar ends
  • 1"Diaphragm bar diameterp11 · p11_r04
  • 5"Thread length on each endp11 · p11_r04

Notes on the sheets that carry it

  • p10CUT OFF EXCESS DIAPHRAGM BAR 1” FROM BEAM FACE.
  • p10⊛ DIAPHRAGM BAR SHALL BE A 1” DIAMETER PLAIN BAR, THREADED 5” ON EACH END, WITH 1/4” X 3 1/2” DIAMETER WASHERS AND HEX NUTS (ASTM A 709 GRADE 36).
  • p10TIGHTEN DIAPHRAGM BAR AS PER SUB-SECTION 507.3.05.C OF THE GEORGIA DOT SPECIFICATIONS.
  • p10AFTER EXCESS DIAPHRAGM BAR HAS BEEN CUT OFF, PAINT DIAPHRAGM BAR, WASHER, AND NUT EXPOSED IN RECESS WITH SPECIAL PROTECTIVE COATING NO. 2 P AS PER SECTION 535 OF THE GEORGIA DOT SPECIFICATIONS. AFTER PAINTING, FILL THE RECESS WITH AN APPROVED EPOXY GROUT.
  • p10GALVANIZING OF THE DIAPHRAGM BAR AS PER SUB-SECTION 865.2.01.B.12 OF THE GEORGIA DOT SPECIFICATIONS IS NOT [partial]
  • p11DIAPHRAGM BAR SHALL BE A 1” DIAMETER PLAIN BAR, THREADED 5” ON EACH END, WITH 1/4” X 3/2” DIAMETER WASHERS AND HEX NUTS (ASTM A 709 GRADE 36).
  • p11GALVANIZING OF THE DIAPHRAGM BAR AS PER SUB-SECTION 865.2.01.B.12 OF THE GEORGIA DOT SPECIFICATIONS IS NOT REQUIRED.

Every crop it was read in — the drawing beside what the model took off it

Page 10

crop

p10_r04 dia

page 10 · gdot_drawing_83a3db2262b94086918a1e232d2b9607_p10_r04_dia
Original
p10_r04 dia
{
  "view": "Detail",
  "objects": [
    {
      "name": "Diaphragm bar",
      "tag": "",
      "shape": "threaded straight bar",
      "material": "",
      "count": 1,
      "note": "Excess bar is shown projecting beyond beam face."
    },
    {
      "name": "Beam",
      "tag": "",
      "shape": "rectangular",
      "material": "",
      "count": 1,
      "note": "Only a fragment at the beam face is shown."
    },
    {
      "name": "Hole",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": 1,
      "note": "Shown through the beam fragment."
    },
    {
      "name": "Reinforcement bars",
      "tag": "4-351",
      "shape": "straight",
      "material": "",
      "count": null,
      "note": "Called out at 4” each way."
    }
  ],
  "measurements": [
    {
      "label": "CL.",
      "value": "1”",
      "unit": "",
      "appliesTo": "Diaphragm bar / hole centerline"
    },
    {
      "label": "",
      "value": "3”",
      "unit": "",
      "appliesTo": "Diaphragm bar detail"
    },
    {
      "label": "DIAMETER HOLE",
      "value": "2”",
      "unit": "",
      "appliesTo": "Hole"
    },
    {
      "label": "AT",
      "value": "4”",
      "unit": "",
      "appliesTo": "4-351 reinforcement bars"
    },
    {
      "label": "DIA.",
      "value": "5”",
      "unit": "",
      "appliesTo": "Diaphragm bar detail"
    },
    {
      "label": "FROM BEAM FACE",
      "value": "1”",
      "unit": "",
      "appliesTo": "Diaphragm bar"
    }
  ],
  "notes": [
    "CUT OFF EXCESS DIAPHRAGM BAR 1” FROM BEAM FACE."
  ],
  "labels": [],
  "description": "This crop is a connection detail showing a diaphragm bar passing through a beam-face fragment and associated reinforcement. It documents the hole size, bar/reinforcement spacing callout, and required cutoff of the projecting diaphragm bar."
}

p10_r04 diaDetail

  • Diaphragm bar×1threaded straight barExcess bar is shown projecting beyond beam face.

1” CL.3”2” DIAMETER HOLE4” AT5” DIA.1” FROM BEAM FACE

crop

p10_r08 tighten diaphragm bar as per sub section

page 10 · gdot_drawing_83a3db2262b94086918a1e232d2b9607_p10_r08_tighten_diaphragm_bar_as_per_sub_section
Original
p10_r08 tighten diaphragm bar as per sub section
{
  "view": "Notes",
  "objects": [
    {
      "name": "Diaphragm bar",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": null,
      "note": "Plain bar, threaded 5” on each end."
    },
    {
      "name": "Washer",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": null,
      "note": "Used with diaphragm bar."
    },
    {
      "name": "Hex nut",
      "tag": "",
      "shape": "hexagonal",
      "material": "",
      "count": null,
      "note": "ASTM A 709 Grade 36."
    },
    {
      "name": "Epoxy grout",
      "tag": "",
      "shape": "",
      "material": "",
      "count": null,
      "note": "Approved epoxy grout for recess."
    }
  ],
  "measurements": [
    {
      "label": "Diaphragm bar diameter",
      "value": "1”",
      "unit": "",
      "appliesTo": "Diaphragm bar"
    },
    {
      "label": "Threaded length on each end",
      "value": "5”",
      "unit": "",
      "appliesTo": "Diaphragm bar"
    },
    {
      "label": "Washer thickness",
      "value": "1/4”",
      "unit": "",
      "appliesTo": "Washer"
    },
    {
      "label": "Washer diameter",
      "value": "3 1/2”",
      "unit": "",
      "appliesTo": "Washer"
    }
  ],
  "notes": [
    "⊛ DIAPHRAGM BAR SHALL BE A 1” DIAMETER PLAIN BAR, THREADED 5” ON EACH END, WITH 1/4” X 3 1/2” DIAMETER WASHERS AND HEX NUTS (ASTM A 709 GRADE 36).",
    "TIGHTEN DIAPHRAGM BAR AS PER SUB-SECTION 507.3.05.C OF THE GEORGIA DOT SPECIFICATIONS.",
    "AFTER EXCESS DIAPHRAGM BAR HAS BEEN CUT OFF, PAINT DIAPHRAGM BAR, WASHER, AND NUT EXPOSED IN RECESS WITH SPECIAL PROTECTIVE COATING NO. 2 P AS PER SECTION 535 OF THE GEORGIA DOT SPECIFICATIONS. AFTER PAINTING, FILL THE RECESS WITH AN APPROVED EPOXY GROUT.",
    "GALVANIZING OF THE DIAPHRAGM BAR AS PER SUB-SECTION 865.2.01.B.12 OF THE GEORGIA DOT SPECIFICATIONS IS NOT [partial]"
  ],
  "labels": [],
  "description": "This crop is a block of construction notes for diaphragm bars, washers, and hex nuts. It specifies bar threading, tightening, protective coating after cutting, and filling the recess with approved epoxy grout; the final galvanizing note is cut off."
}

p10_r08 tighten diaphragm bar as per sub sectionNotes

  • Diaphragm barcircularPlain bar, threaded 5” on each end.

1” Diaphragm bar diameter5” Threaded length on each end1/4” Washer thickness3 1/2” Washer diameter

crop

p10_r04

page 10 · other_p10_r04
Original
p10_r04
{
  "view": "Detail",
  "objects": [
    {
      "name": "beam",
      "tag": "",
      "shape": "rectangular",
      "material": "",
      "count": 1,
      "note": "End face shown partially."
    },
    {
      "name": "diaphragm bar",
      "tag": "",
      "shape": "cylindrical",
      "material": "",
      "count": 1,
      "note": "Projects through beam face; excess is to be cut off."
    },
    {
      "name": "reinforcement bars",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": 4,
      "note": "Callout text is partially unclear; shown as four bar ends in a rectangular pattern."
    },
    {
      "name": "hole",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": 1,
      "note": "Diameter hole through beam end region."
    }
  ],
  "measurements": [
    {
      "label": "centerline offset",
      "value": "1″",
      "unit": "",
      "appliesTo": "diaphragm bar"
    },
    {
      "label": "horizontal dimension",
      "value": "3″",
      "unit": "",
      "appliesTo": "diaphragm bar"
    },
    {
      "label": "diameter hole",
      "value": "2″",
      "unit": "",
      "appliesTo": "hole"
    },
    {
      "label": "reinforcement spacing",
      "value": "4″",
      "unit": "",
      "appliesTo": "reinforcement bars"
    },
    {
      "label": "diameter",
      "value": "5″",
      "unit": "",
      "appliesTo": "diaphragm bar"
    },
    {
      "label": "cutoff distance from beam face",
      "value": "1″",
      "unit": "",
      "appliesTo": "diaphragm bar"
    }
  ],
  "notes": [
    "CUT OFF EXCESS DIAPHRAGM BAR 1″ FROM BEAM FACE."
  ],
  "labels": [
    "1″ CL.",
    "2″ DIAMETER HOLE",
    "4-351 AT 4″ EACH WAY",
    "5″ DIA."
  ],
  "description": "This crop is a partial connection detail at the end face of a beam. It shows a diaphragm bar passing through a 2-inch-diameter hole, adjacent reinforcement, and the required cutoff of excess diaphragm bar 1 inch from the beam face."
}

p10_r04Detail

  • diaphragm bar×1cylindricalProjects through beam face; excess is to be cut off.

1″ centerline offset3″ horizontal dimension2″ diameter hole4″ reinforcement spacing5″ diameter1″ cutoff distance from beam face

crop

p10_r08

page 10 · other_p10_r08
Original
p10_r08
{
  "view": "Notes",
  "objects": [
    {
      "name": "Diaphragm bar",
      "tag": "",
      "shape": "plain bar",
      "material": "",
      "count": null,
      "note": "Threaded 5” on each end."
    },
    {
      "name": "Washer",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": null,
      "note": "Specified as 1/4” x 3 1/2” diameter."
    },
    {
      "name": "Hex nut",
      "tag": "",
      "shape": "hexagonal",
      "material": "ASTM A 709 Grade 36",
      "count": null,
      "note": ""
    },
    {
      "name": "Recess",
      "tag": "",
      "shape": "",
      "material": "",
      "count": null,
      "note": "To receive approved epoxy grout after painting."
    },
    {
      "name": "Special protective coating",
      "tag": "NO. 2 P",
      "shape": "",
      "material": "",
      "count": null,
      "note": "For exposed diaphragm bar, washer, and nut in recess."
    },
    {
      "name": "Epoxy grout",
      "tag": "",
      "shape": "",
      "material": "approved epoxy grout",
      "count": null,
      "note": "To fill recess after painting."
    }
  ],
  "measurements": [
    {
      "label": "diaphragm bar diameter",
      "value": "1”",
      "unit": "",
      "appliesTo": "Diaphragm bar"
    },
    {
      "label": "threaded length on each end",
      "value": "5”",
      "unit": "",
      "appliesTo": "Diaphragm bar"
    },
    {
      "label": "washer dimension",
      "value": "1/4” x 3 1/2”",
      "unit": "",
      "appliesTo": "Washer"
    }
  ],
  "notes": [
    "DIAPHRAGM BAR SHALL BE A 1” DIAMETER PLAIN BAR, THREADED 5” ON EACH END, WITH 1/4” X 3 1/2” DIAMETER WASHERS AND HEX NUTS (ASTM A 709 GRADE 36).",
    "TIGHTEN DIAPHRAGM BAR AS PER SUB-SECTION 507.3.05.C OF THE GEORGIA DOT SPECIFICATIONS.",
    "AFTER EXCESS DIAPHRAGM BAR HAS BEEN CUT OFF, PAINT DIAPHRAGM BAR, WASHER, AND NUT EXPOSED IN RECESS WITH SPECIAL PROTECTIVE COATING NO. 2 P AS PER SECTION 535 OF THE GEORGIA DOT SPECIFICATIONS. AFTER PAINTING, FILL THE RECESS WITH AN APPROVED EPOXY GROUT.",
    "GALVANIZING OF THE DIAPHRAGM BAR AS PER SUB-SECTION 865.2.01.B.12 OF THE GEORGIA DOT SPECIFICATIONS IS NOT (partial)."
  ],
  "labels": [],
  "description": "This crop is a block of construction notes concerning diaphragm bars, washers, and hex nuts. It specifies threading, tightening, coating, and epoxy-grouting requirements; the final galvanizing note is cut off."
}

p10_r08Notes

  • Diaphragm barplain barThreaded 5” on each end.

1” diaphragm bar diameter5” threaded length on each end1/4” x 3 1/2” washer dimension

Page 11

crop

p11_r04 recess detail for diaphragm bar ends

page 11 · gdot_drawing_83a3db2262b94086918a1e232d2b9607_p11_r04_recess_detail_for_diaphragm_bar_ends
Original
p11_r04 recess detail for diaphragm bar ends
{
  "view": "Detail",
  "objects": [
    {
      "name": "Diaphragm bar",
      "tag": "",
      "shape": "cylindrical plain threaded bar",
      "material": "ASTM A 709 Grade 36",
      "count": 1,
      "note": "Bar is shown passing through the beam end recess."
    },
    {
      "name": "Washer",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": 1,
      "note": "One washer is shown at the recessed bar end; note specifies washers on each end."
    },
    {
      "name": "Hex nut",
      "tag": "",
      "shape": "hexagonal",
      "material": "",
      "count": 1,
      "note": "Shown at the recessed bar end; note specifies hex nuts on each end."
    },
    {
      "name": "Beam",
      "tag": "",
      "shape": "rectangular",
      "material": "",
      "count": 1,
      "note": "Only a fragment of the beam end/face is shown."
    },
    {
      "name": "Recess",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": 1,
      "note": "Recess at diaphragm bar end, dimensioned 5\" DIA."
    },
    {
      "name": "Hole",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": 1,
      "note": "Called out as a 2\" DIAMETER HOLE."
    },
    {
      "name": "Reinforcement bars",
      "tag": "4-351",
      "shape": "linear",
      "material": "",
      "count": null,
      "note": "Callout reads \"4-351 AT 4\" EACH WAY\"; tag characters are unclear as printed."
    }
  ],
  "measurements": [
    {
      "label": "Centerline dimension",
      "value": "1\"",
      "unit": "",
      "appliesTo": "Diaphragm bar"
    },
    {
      "label": "Dimension",
      "value": "3\"",
      "unit": "",
      "appliesTo": "Diaphragm bar recess detail"
    },
    {
      "label": "Hole diameter",
      "value": "2\"",
      "unit": "",
      "appliesTo": "Hole"
    },
    {
      "label": "Reinforcement callout",
      "value": "4-351 AT 4\" EACH WAY",
      "unit": "",
      "appliesTo": "Reinforcement bars"
    },
    {
      "label": "Recess diameter",
      "value": "5\"",
      "unit": "",
      "appliesTo": "Recess"
    },
    {
      "label": "Cutoff distance",
      "value": "1\"",
      "unit": "",
      "appliesTo": "Diaphragm bar"
    },
    {
      "label": "Diaphragm bar diameter",
      "value": "1\"",
      "unit": "",
      "appliesTo": "Diaphragm bar"
    },
    {
      "label": "Thread length on each end",
      "value": "5\"",
      "unit": "",
      "appliesTo": "Diaphragm bar"
    },
    {
      "label": "Washer thickness",
      "value": "1/4\"",
      "unit": "",
      "appliesTo": "Washer"
    },
    {
      "label": "Washer diameter",
      "value": "3/2\"",
      "unit": "",
      "appliesTo": "Washer"
    }
  ],
  "notes": [
    "DIAPHRAGM BAR SHALL BE A 1” DIAMETER PLAIN BAR, THREADED 5” ON EACH END, WITH 1/4” X 3/2” DIAMETER WASHERS AND HEX NUTS (ASTM A 709 GRADE 36).",
    "TIGHTEN DIAPHRAGM BAR AS PER SUB-SECTION 507.3.05.C OF THE GEORGIA DOT SPECIFICATIONS.",
    "AFTER EXCESS DIAPHRAGM BAR HAS BEEN CUT OFF, PAINT DIAPHRAGM BAR, WASHER, AND NUT EXPOSED IN RECESS WITH SPECIAL PROTECTIVE COATING NO. 2 P AS PER SECTION 535 OF THE GEORGIA DOT SPECIFICATIONS. AFTER PAINTING, FILL THE RECESS WITH AN APPROVED EPOXY GROUT.",
    "GALVANIZING OF THE DIAPHRAGM BAR AS PER SUB-SECTION 865.2.01.B.12 OF THE GEORGIA DOT SPECIFICATIONS IS NOT REQUIRED.",
    "CUT OFF EXCESS DIAPHRAGM BAR 1” FROM BEAM FACE."
  ],
  "labels": [
    "RECESS DETAIL FOR DIAPHRAGM BAR ENDS",
    "1” CL.",
    "2” DIAMETER HOLE",
    "5” DIA."
  ],
  "description": "This crop shows a recess detail at the end of a diaphragm bar in a fragment of a beam. The detail depicts the threaded plain diaphragm bar, washer, and hex nut within a circular recess, with cutoff, protective-coating, and epoxy-grout requirements."
}

p11_r04 recess detail for diaphragm bar endsDetail

  • Diaphragm bar×1cylindrical plain threaded barASTM A 709 Grade 36Bar is shown passing through the beam end recess.

1" Centerline dimension3" Dimension2" Hole diameter4-351 AT 4" EACH WAY Reinforcement callout5" Recess diameter1" Cutoff distance1" Diaphragm bar diameter5" Thread length on each end+2 more

crop

p11_r04

page 11 · other_p11_r04
Original
p11_r04
{
  "view": "Detail",
  "objects": [
    {
      "name": "Diaphragm bar",
      "tag": "",
      "shape": "circular plain bar, threaded at ends",
      "material": "steel (ASTM A 709 Grade 36)",
      "count": 1,
      "note": "Bar end is shown within a recess."
    },
    {
      "name": "Washer",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": 2,
      "note": "Shown at diaphragm bar end; note specifies washers on each end."
    },
    {
      "name": "Hex nut",
      "tag": "",
      "shape": "hexagonal",
      "material": "",
      "count": 1,
      "note": "Shown at diaphragm bar end."
    },
    {
      "name": "Reinforcement bar",
      "tag": "#5",
      "shape": "straight bar",
      "material": "steel",
      "count": 4,
      "note": "Callout reads \"4-#5I AT 4\" EACH WAY\"; final character after #5 is unclear."
    },
    {
      "name": "Recess",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": 1,
      "note": "Recess at diaphragm bar end."
    },
    {
      "name": "Beam",
      "tag": "",
      "shape": "rectangular",
      "material": "",
      "count": null,
      "note": "Only the beam-face fragment is shown."
    }
  ],
  "measurements": [
    {
      "label": "Centerline offset",
      "value": "1\"",
      "unit": "",
      "appliesTo": "Diaphragm bar / recess detail"
    },
    {
      "label": "Horizontal dimension",
      "value": "3\"",
      "unit": "",
      "appliesTo": "Diaphragm bar / recess detail"
    },
    {
      "label": "Hole diameter",
      "value": "2\"",
      "unit": "",
      "appliesTo": "Hole"
    },
    {
      "label": "Reinforcement",
      "value": "4-#5I AT 4\" EACH WAY",
      "unit": "",
      "appliesTo": "#5 reinforcement bar"
    },
    {
      "label": "Recess diameter",
      "value": "5\"",
      "unit": "",
      "appliesTo": "Recess"
    },
    {
      "label": "Diaphragm bar diameter",
      "value": "1\"",
      "unit": "",
      "appliesTo": "Diaphragm bar"
    },
    {
      "label": "Thread length on each end",
      "value": "5\"",
      "unit": "",
      "appliesTo": "Diaphragm bar"
    },
    {
      "label": "Washer thickness",
      "value": "1/4\"",
      "unit": "",
      "appliesTo": "Washer"
    },
    {
      "label": "Washer diameter",
      "value": "3 1/2\"",
      "unit": "",
      "appliesTo": "Washer"
    }
  ],
  "notes": [
    "CUT OFF EXCESS DIAPHRAGM BAR 1\" FROM BEAM FACE.",
    "DIAPHRAGM BAR SHALL BE A 1\" DIAMETER PLAIN BAR, THREADED 5\" ON EACH END, WITH 1/4\" X 3 1/2\" DIAMETER WASHERS AND HEX NUTS (ASTM A 709 GRADE 36).",
    "TIGHTEN DIAPHRAGM BAR AS PER SUB-SECTION 507.3.05.C OF THE GEORGIA DOT SPECIFICATIONS.",
    "AFTER EXCESS DIAPHRAGM BAR HAS BEEN CUT OFF, PAINT DIAPHRAGM BAR, WASHER, AND NUT EXPOSED IN RECESS WITH SPECIAL PROTECTIVE COATING NO. 2 P AS PER SECTION 535 OF THE GEORGIA DOT SPECIFICATIONS. AFTER PAINTING, FILL THE RECESS WITH AN APPROVED EPOXY GROUT.",
    "GALVANIZING OF THE DIAPHRAGM BAR AS PER SUB-SECTION 865.2.01.B.12 OF THE GEORGIA DOT SPECIFICATIONS IS NOT REQUIRED."
  ],
  "labels": [
    "RECESS DETAIL FOR DIAPHRAGM BAR ENDS"
  ],
  "description": "This crop is a recess detail for the ends of a diaphragm bar at a beam face. It shows the threaded bar, washer and hex nut arrangement within a circular recess, together with reinforcement and installation, coating, and grout requirements."
}

p11_r04Detail

  • Diaphragm bar×1circular plain bar, threaded at endssteel (ASTM A 709 Grade 36)Bar end is shown within a recess.

1" Centerline offset3" Horizontal dimension2" Hole diameter4-#5I AT 4" EACH WAY Reinforcement5" Recess diameter1" Diaphragm bar diameter5" Thread length on each end1/4" Washer thickness+1 more