Drilled Shafts Archives

SEAoT interview with Pieresearch discussing Why Specifications Matter

SPECIFICATIONS MATTER: WHY STRUCTURAL ENGINEERS MUST IDENTIFY PRODUCTS FOR EVERY PROJECT. If you’re a structural, civil, or geotechnical engineer in Texas, you probably know of Pieresearch^®. Pieresearch^® serves the deep foundation and earth retention industries, offering structural engineers rebar reinforcing alignment and centralizer products...

Pile Buck’s interview with Pieresearch

Pile Buck’s interview with Pieresearch®—designer and manufacturer of rebar reinforcing alignment products for the deep foundations industry...

The Use of Rebar Cages in Drilled Shaft Construction

In drilled shaft construction, rebar cages are typically used to reinforce the shaft during excavation. The design of this cage is critically important to the stability of the cage and the success of the overall construction project. As a general rule, a rebar cage for a drilled shaft consists of longitudinal bars that are distributed with equal spacing along the perimeter of a cylinder...

HOW’S THE WATER?

Stan Agee
“You can lead a horse to water but you can’t make him drink.” This 12th Century English homily presents a classic conundrum: Why won’t the horse drink the water? Not drinking is clearly self-destructive. Refusing water seems absurd. But let’s look at the situation from the horse’s point of view. If the horse has been led to the water …

SPALLING IS BAD, FALLING IS WORSE

Stewart M. Verhulst, M.S., P.E., RRC
Public safety is of paramount importance for engineers and architects designing buildings. Most design professionals are diligent in their pursuit of safe structures, carefully calculating the loading conditions, detailing connections and support conditions, and preparing their drawings and specifications. …

FOR WANT OF A NAIL – Cost of Cutting Corners on Drilled Cage Alignment

Bradford Russell, AIA, P.E., SECB, F.SEI
“For the want of a nail the shoe was lost, For the want of a shoe the horse was lost, For the want of a horse the rider was lost, For the want of a rider the battle was lost, For the want of a battle the kingdom was lost, And all for the want of a horseshoe nail.”…

REINFORCEMENT IN DRILLED SHAFT DEEP FOUNDATIONS

John B. Turner, P.E.
The foundation of a building or other structure is designed and constructed to transmit forces from the structure to the soil. Under typical conditions, these forces are the result of gravity – the weight of the building, occupants, and materials…

WHY SPECIFICATIONS MATTER

Walter Scarborough FCSI, SCIP
To almost everyone involved with the construction of buildings, specifications seem to be a strange and mysterious world: massive amounts of technical information, references to obscure standards, and no graphics, just thousands of incomprehensible words...

REBAR CAGE CENTERING IN DRILLED DEEP FOUNDATIONS WITH THERMAL INTEGRITY PROFILING

M. L. Siverston, P.E.
Drilled shafts are a widely used deep foundation element particularly when heavy loads are to be supported. They are commonly employed in the Transportation Industry as well as for projects in the private sector. Drilled shafts can be...

THE WHAT & WHY OF BUILDING CODES

Hamid Naderi, P.E., CBO
Margi M. Leddin
Building codes are sets of rules defining how buildings can be designed and constructed to a minimum level of safety. They are not a phenomenon of the modern world; rather, they have been around for centuries, one of the...