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Pipe Support problemTanan Chub-uppakarn

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Visual Inspection

Settlement of pipe support

Pipe support installed on pavement joint

Rusted steel bolts of pipe support

Eccentric of pipe support

Loss of steel bolts

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Visual Inspection

Concrete crackConcrete crack

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Visual Inspection

Concrete crack Concrete crack

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Visual Inspection

Eccentric support

Loss of steel bolts

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Eccentric of Pipe Support

Eccentric of pipe support creates concentratestress at installed column area

Hoever! on the site does not find supportfailure

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Visual Inspection

settlement

Located on joint

Located on joint

Located on joint

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Visual Inspection

settlementsettlement

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Pipe Supports Settlement

"n TT# Process area! consolidation settlement isclosel$ end

"nitial state %Start operation&

Present %closel$ end of consolidation settlement&

End of consolidation settlement

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Pipe Supports Settlement

This problem should be solved b$ adjustablesteel plate support

adjustlevelin'

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Visual Inspection

Steel corrosionSteel bolt corrosion

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Pipe bolt corrosion

Steel bolts at some area have corrosion

This corrosion is cause of concrete e(pansion

Therefore! should be chan'e steel bolts tostainless steel bolts or )unvanice steel bolts

Concrete should be replacement

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Thank you