This paper presents the results of a case study conducted in a wet-mix shotcrete application of a major tunnel construction located in Sydney, Australia.
Reinforcing Bar Shadowing and What You Can Do
Nearly all shotcrete projects I come across in my travels consist of some form of steel reinforcement, such as reinforcing bars or welded wire reinforcement.
An Approach for Improving the Sustainability of Shotcrete
According to the World Commission on Environment and Development,1 sustainability is defined as ?meeting the needs of the present without compromising the ability of futuregenerations to meet their own needs.?
Traffic Construction Safety
To work safely in and around heavy traffic there are many things to be concerned about.
Cold-Weather Shotcreting
The dry-shotcrete process has a long history with placing concrete pneumatically for over 105 years.
Changing a Culture Takes Time
Changing a culture takes time. Missouri?s reputation as a ?Show Me? state stands true as MoDOT engineers had to be shown that shotcrete is a viable solution before they openedup their specifications.
The Need for Shotcrete Provisions for State DOTs
Many State Departments of Transportation (DOTs) have tried shotcrete in the past and had a negative experience.
Workers? Dust Protec
There have been articles, safety tips, and numerous discussions over respirators and dust masks in past issues of Shotcrete magazine that show and talk about what your workers should be wearing.
Use of Cathodic Protection in a Shotcrete System
Used successfully for over 100 years, shotcrete, or gunite, is concrete that is conveyed or transported with a concrete pump or pneumatic gun and sprayed into place.
Wet-Mix Shotcrete? with the Flexibility of Dry Mix
Have you ever thought to yourself, ?Is there a way to shoot wet-mix shotcrete in a more flexible way and with less cleanup?? There is one.