Forensic Engineers and Consultants

Tag Archive: commercial construction

  1. Installation of Structural Sheathing on Wood-Framed Structures

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    The facts presented in this blog lead to an interesting story.  During the heyday of the residential construction boom in coastal South Carolina circa 2005, many General Contractors were forced to go out-of-state to find framers and other subcontractors due to the demand creating a local labor shortage.  It turned out that the state of Texas had excess capacity and availability of framers and carpenters. Many Texas framing crews came to South Carolina to satisfy the shortage.  It soon became apparent that the Texas crews, many of which were from inland locations, were accustomed to installing 4’x8’ exterior wall sheathing with the long dimension vertical, i.e., parallel to the studs.  It is especially important and required that the long dimension be oriented perpendicular to the studs.  Laboratory testing has shown that (more…)

  2. Types of and Techniques for Reinforced Concrete Masonry Block Construction

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    Construction using concrete masonry blocks or units (CMU) is ubiquitous in the United States today, and in fact in the whole modern world.  CMU blockwork is a very versatile and relatively economical building material.  It is naturally strong in compression, but with reinforced, grout-filled cells, it can also withstand large shear, bending, and tensile loads imparted by lateral wind or seismic events.  In this article, I will discuss the various types of CMU designs, as well as terminology, construction techniques, and application uses.

    The design of CMU is typically comprised of hollow concrete “face shells” with (more…)

  3. When the Walls Come Tumbling Down… Retaining Wall Basics

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    A wall is really boring until it fails. A retaining wall is supposed to hold back soil to either support a structure or keep a space clear. When it fails, both of those roles are compromised. A retaining wall does not have to collapse to fail. In fact, a failure is perhaps better defined as when the wall does not perform as expected. (more…)

  4. Catastrophic Weather – Lessons Learned

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    In recent years, with Hurricane Ike in Galveston, TX in 2008 and Superstorm Sandy along the New Jersey and New York coastline in 2012, we have had the opportunity to see firsthand the destructive power of storms like these.  We were “boots on the ground” literally days after the initial coastal strike.  The damage observed to residential and commercial structures was far reaching, diverse and some preventable.  We want to share some “lessons learned” from these observations for these two CAT events. (more…)

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