Open AccessForensic Engineering Analysis Of Dynamic Wheel Tire Impact Ejection Of Manhole Covers
Author(s) -
Jon O. Jacobson,
Michael Kravitz
Publication year - 2007
Publication title -
journal of the national academy of forensic engineers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.102
H-Index - 1
eISSN - 2379-3252
pISSN - 2379-3244
DOI - 10.51501/jotnafe.v24i2.683
Subject(s) - notice , cover (algebra) , engineering , structural engineering , forensic engineering , law , mechanical engineering , political science
This Paper Will Examine The Effect Of Vehicle Tires Driving Over A Street Hardware Manhole Cover That Was Not Properly Seated And Resulted In The Motion Of The Manhole Cover Which Eventually Either Became Unseated And Moved Along The Roadway Surface Or Failed And Fell Into The Manhole. As A Result Of The Open Uncovered Manhole, A Vehicle Tire Struck The Open Manhole Resulting In The Driver Losing Control Of The Vehicle And Crashing Into A Tree. Several Of The Passengers Were Injured And A Law Suit Ensued. The Issue Of Notice Was The Focal Point Of The Case. The Defendants Argument Was That It Had No Notice Of The Defect And The Plaintiffs Argument Was That The Defendant Had Actual And Constructive Notice Because The Defect Was Caused By The Roadway Resurfacing Project. Two Examples Will Be Presented Showing How A Manhole Cover Can Be Dislodged They Are: 1) The Dynamic Expulsion From Tire Forces On The Rocking Manhole Cover, And 2) The Fracture Of The Manhole Cover From Local Contact Stresses From A Misaligned Adjusting Riser Frame Installed During The Repaving.