It has already been shown that rapid strengthgain dry-mix shotcrete using calcium sulfoaluminate (CSA) cement and providing about 2900 psi (20 MPa) after only 2 hours can be effectively produced and placed in mining applications (Reny and Clements 2013).
Sewer Rehabilitation Using Shotcrete
For more than 70 years, century-old brick, clay, and tile sewers have been rehabilitated with shotcrete.
Evaluating Ready Mix Suppliers
Oscar Duckworth has covered the keys of the equipment necessary for successful wet-mix shotcrete in the past few ?Nozzleman Know ledge? articles. This article discusses the importance of the material supplier in the equation.
Industry Update
Many pool contractors?myself included? are skeptical of the majority of so-called ?awards programs? in the pool industry.
The Hidden Danger of Noise
Shotcrete workers are subject to noise, much of which is at potentially dangerous decibel levels.
Layers in New York City Overhead Tunnels
The New York City Transit (NYCT) Metropolitan Transportation Authority Capital Construction (MTACC) has several largescale projects throughout New York, including one major program: the East Side Access project.
The Durability of Shotcrete? Looking Back at Projects from 30 to 40 Years Ago
Anyone who has ever had to remove old gunite from a bridge or an overpass knows how incredibly difficult it can be to tear out.
Sustainable Transportation Retaining Walls
Denver RTD West Corridor
A Closer Look at the Benefits of Predampening
Much has been written on the benefits of predampening dry-mix shotcrete (gunite) materials before application; however, it is worth exploring these benefits in greater detail.
Effect of Pozzolanic-Based Rheology Control Agent as a Replacement for Silica Fume on Wet-Mix Shotcrete Performance
The purpose of this article is to present the performance evaluation of wet-mix shotcrete containing a pozzolanic-based rheology control (RC) agent as a replacement for silica fume (SF).