Category Archives: Simple Forensic Methods

Garage Whisperer

Posted by in Simple Forensic Methods, Wind Damage, Wood | December 15, 2014

We are often contacted to evaluate “Why is the garage leaning?” and “When did the lean occur?”  (See the featured photo).  With regard to the latter question, fortunately we have super listening powers.  That is, we are able to hear… Read More

What Can We Tell from This Photo? (Case Study 5)

Posted by in Roof, Shingles, Simple Forensic Methods | December 08, 2014

  This is an exercise to develop the abilities of observation. What can one know from examining this photograph? The cohesive failure of the asphalt in the mat, especially at the right end, indicates that the force required to lift… Read More

What Can We Tell from This Photo? (Case Study 4)

Posted by in Basements, Cracking, Masonry, Simple Forensic Methods | October 20, 2014

  This is an exercise to develop the abilities of observation. What can one know from examining this photograph? The pattern of the joints under the coating indicate that this is a concrete block wall. The coating appears to be… Read More

What Can We Tell from This Photograph? (Case Study 3)

Posted by in Simple Forensic Methods | September 29, 2014

  This is an exercise to develop the abilities of observation. What can one know from examining this photograph? The wood trusses are showing distress. Specifically, the members are buckling and the trusses are leaning as evidenced by the members… Read More

What Can We Tell from This Photograph? (Case Study 2)

Posted by in Simple Forensic Methods | September 22, 2014

This is an exercise to develop the abilities of observation. What can one know from examining this photograph? The tabs with the horizontal and diagonal creases (upper left of the photo), the double horizontal creases (lower center of the photo),… Read More

What Can We Tell from This Photograph? (Case Study 1)

Posted by in Simple Forensic Methods | September 15, 2014

  This is an exercise to develop the abilities of observation.  What can one know from examining this photograph? The framing and the insulation indicate that it was taken in an attic. The color of the lumber and the use… Read More

Some Evidences of Recent Movement

Posted by in Cracking, Masonry, Simple Forensic Methods, Wood | September 08, 2014

We are often called in to evaluate as to whether some particular damage is old or new, that is, did it occur recently as reported or has it been present and possibly progressing for years.  As experienced forensic engineers we… Read More

Evaluation of Concrete for Fire Damage

Posted by in Concrete, Fire Damage, Simple Forensic Methods | August 25, 2014

Just read a well-written article in Structure magazine about evaluating fire damage to concrete foundations, entitled Engineering Evaluation of Fire Damage to Concrete Foundations, by Peter Marxhausen, M.S., P.E.  Mr. Marxhausen writes about his approach to evaluating numerous concrete foundations… Read More