RepairStructuralThick Section overhead Repair and Strengthening of a Concrete Pier: A Viable Shotcrete Solution
Roger Runacres
Read MoreWhen considering placement options for thick section overhead concrete repair or strengthening, more often than not, the consideration of a shotcrete solution is overlooked. Historically, shotcrete has suffered from being mainly associated with vertical placements for above ground work. This may be due to the
UndergroundStructuralUse of Fiber-Reinforced Shotcrete
Peter C. Tatnall
Read MoreAs many of you Shotcrete readers know, there have been many articles published here on FRS, and many more where FRS is mentioned. Two articles in the premier issue of Shotcrete in February, 1999, mentioned FRS. I have been keeping a bibliography of Shotcrete articles
RepairStructuralThe Setenave Dry Docks Rehabilitation
Ivan Ramalho de Almeida, Thomaz José Ripper Barbosa Cordeiro, and José Paulo Veríssimo Maia Costa
Read MoreSentenave is ageneral designation for a shipyard built in the ninty seventies at the right end of Portugal
StructuralRock Stabilization of Two Historically Sensitive Rock Slopes using Shotcrete
Daniel Journeaux
Read MoreThe need to stablize these rock slopes was driven by the construction of the Hudson-Bergen Light Rail Project, which was being extended into Weehawken, NJ. The location of the light rail was along the base of the Palisades in Hoboken and Weehawken. The need to
RepairUndergroundStructuralSilica Fume in Shotcrete
John Wolsiefer, Sr., and Dudley R. Morgan
Read MoreSilica fume is a highly pozzolanic mineral admixture that has been used mainly to improve concrete durability and strength and as portland cement replacement. Silica fume has been used primarily in the United States, Canada, and the Scandinavian countries, but is now finding increasing use
UndergroundStructuralSteep Slope Stabilization with Fiber-Reinforced Shotcrete
Michael Ballou
Read MoreFor the past 150 years or so, roads have been built through the mountain passes in the western U.S. and Canada. Sometimes these roads led to mines; sometimes they started as logging roads. Some were built for access roads for the railroad. Many were built
UndergroundStructuralSpecification of Shotcrete Toughness
Roland Heere and Dudley R. (Rusty) Morgan
Read MoreFiber-reinforced shotcrete has become an established material for ground support in tunnelling and mining applications as well as in new construction and infrastructure repair. Designers and speciï¬ers frequently require such shotcrete to maintain some quantiï¬able postcrack strength or toughness. Until the newly published round panel
RepairStructuralShotcrete Repair Saves Baltimore Bridges
I. Leon Glassgold
Read MoreThis Shotcrete Classic was selected for reader interest. While ï¬rst published 23 years ago, most of the dry-mix shotcrete technology described for repair of bridges still remains relevant today. There are a few areas where things have changed. Small line wet-mix shotcrete equipment is now
RepairStructuralArchitectural Finishes for Retaining Walls
Marcus H. von der Hofen
Read MoreWhat kind of architectural ï¬nishes are possible with shotcrete? From the most basic natural gun ï¬nish to exotic carved sculptures, from the gray color of regular portland cement concrete to custom-colored and stained mixtures, shotcrete can take on many different types of ï¬nished appearance. Today™s
RepairStructuralJefferson Street Bridge: The “Million Dollar Bridge” Listed on the National Register of Historic Places
Bill Fortuna
Read MoreDubbed the “million dollar bridge” by town residents, referring to the cost of building the structure in 1921, the Jefferson Street Bridge in Fairmount, WV, is a three-span reinforced concrete arch bridge that crosses the Monongahela River. Listed on the National Register of Historic Places,