Groundwater inflows into tunnels may constitute a potential hazard as well as an important factor controlling the rate of advancement in driving a tunnel. One of the major practical difficulties often associated with tunnel construction is related to groundwater. In addition, predictions of groundwater inflows are needed to design suitable drainage systems. On the other hand, drawdowns produced by tunnel construction may induce land subsidence, water table decline and environmental impacts on rivers and wetlands.
There are several analytical expressions in the literature to calculate water discharges into tunnels but a major development was presented recently by Perrochet and Dematteis (2007). The program TunFlow makes use of the abovementioned analytical expression to compute groundwater infiltration into tunnels and galleries. The program allows to account for an unlimited number of geological zones (heterogeneous system) and fully transient hydrogeological conditions (accounting for the velocity of tunnel advancement). TunFlow is easy to use and it is specially designed for evaluating the groundwater filtrations in scoping studies.
It is written in the programming language C#. All use of the software is at your own risk. Any questions concerning the installation or use of this software can be directed to firstname.lastname@example.org.
This software has been developed by Amphos 21:
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.