A concrete pump and a gunite machine are work tools that can help a contractor turn a nickel’s worth of concrete mater...
Whether the need for ground improvement is known in advance or unexpected, the techniques available are the same. Howeve...
Advancing a tunnel shaft is akin to an archeological dig. The process is relatively slow with the support structure adva...
Used on a myriad of new and rehabilitation construction projects, cementitious and chemical grouts share a common catego...
By Britt N. Babcock, P.E. Used on a myriad of new and rehabilitation construction projects, cementitious and chem...
How to choose the most appropriate method for your project The debate regarding what method of mining to select for infr...
As engineers continue to understand cellular concrete and its variety of material properties, this material continues to...
By Lucian P. Spiteri, P.E., Paul C. Schmall, Ph.D., P.E., Mark Gentile, P.E., and Michael A. Nuhfer, P.E. The OSIS Augme...
Since their introduction, precast concrete segmental linings have continued to develop and evolve. In this article...
Despite the fact that cellular concrete has been in the construction industry for nearly a century, it is not uncommon f...
Microtunneling has been used in the United States since the mid-1980s as a means of trenchless pipe installation. In the...
By Barry L. Sorteberg Separation plants have historically been the bottleneck in many tunneling projects, resulting in l...
By Glenn M Boyce, PhD, PE Shafts are the doorways to the underground, serving as the location at which all material ente...
By Rob States, Dan McKinney and Bruce Dandie Standards and codes require that transit stations provide a safe environmen...
