DAVID L. LAWRENCE CONVENTION CENTERold.post-gazette.com/downloads/20070221report_convention...DAVID...
Transcript of DAVID L. LAWRENCE CONVENTION CENTERold.post-gazette.com/downloads/20070221report_convention...DAVID...
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DAVID L. LAWRENCE CONVENTION CENTER
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DAVID L. LAWRENCE CONVENTION CENTER
Building Isometric - Location of X-9 Expansion Joint
X-9 Expansion Joint
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DAVID L. LAWRENCE CONVENTION CENTER
Floor Plans
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DAVID L. LAWRENCE CONVENTION CENTER
2nd Floor Plan
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DAVID L. LAWRENCE CONVENTION CENTER
3rd Floor Plan
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DAVID L. LAWRENCE CONVENTION CENTER
Steel Framing at the X-9 Expansion Joint on the 2nd Floor
Area of Failure
X-9 Expansion Joint
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DAVID L. LAWRENCE CONVENTION CENTER
Typical Loading Bay
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DAVID L. LAWRENCE CONVENTION CENTER
Expansion Joint Connection at X-9
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DAVID L. LAWRENCE CONVENTION CENTER
X-9 Expansion Joint Connection - Assembly Detail
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DAVID L. LAWRENCE CONVENTION CENTER
X-9 Expansion Joint Connection – Sequence of Joint Failure under Thermal Change 1/5
Movement of beam due to decreasing
temperature
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DAVID L. LAWRENCE CONVENTION CENTER
X-9 Expansion Joint Connection – Sequence of Joint Failure under Thermal Stress 2/5
Movement of beam due to decreasing
temperature
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DAVID L. LAWRENCE CONVENTION CENTER
X-9 Expansion Joint Connection – Sequence of Joint Failure under Thermal Stress 3/5
Movement of beam due to decreasing
temperature
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DAVID L. LAWRENCE CONVENTION CENTER
X-9 Expansion Joint Connection – Sequence of Joint Failure under Thermal Stress 4/5
Movement of beam due to decreasing
temperature
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DAVID L. LAWRENCE CONVENTION CENTER
X-9 Expansion Joint Connection – Sequence of Joint Failure under Thermal Stress 5/5
Movement of beam due to decreasing
temperature
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DAVID L LAWRENCE CONVENTION CENTER
Isometric drawing of Joint Failure at X-9 / Y-10.3
Location of Joint Failure
X-9 Expansion Joint
Y-10.3 Beam
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DAVID L. LAWRENCE CONVENTION CENTER
Joint Failure causes Y-10.3 beam to fall
Precast Concrete Double Tees
Y-10.3 Beam
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DAVID L. LAWRENCE CONVENTION CENTER
Precast concrete double tees fall as a result of falling Y-10.3 beam
Precast Concrete Double Tees
Y-10.3 Beam
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DAVID L LAWRENCE CONVENTION CENTER
X-9 Expansion Joint Connection – Video of Joint Failure 1/3
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DAVID L LAWRENCE CONVENTION CENTER
X-9 Expansion Joint Connection – Video of Joint Failure 2/3
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DAVID L LAWRENCE CONVENTION CENTER
X-9 Expansion Joint Connection – Video of Joint Failure 3/3
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DAVID L. LAWRENCE CONVENTION CENTER
X-9 Expansion Joint Connection - Typical Remediated Joint
Teflon Slide Bearing Pad
Added Seat Connection