Rock mechanics in the investigation and construction of Tumut 1 Underground Power Station, Snowy Mountains, Australia

<img id="figure-1" class="figure" src="/images/written_works/rock_mechanics/figure-1.jpg" alt="Figure 1. &#8211; Location Map" /> <img id="plate-1" class="plate" src="/images/written_works/rock_mechanics/plate-1.jpg" <img id="figure-2" class="plate" src="/images/written_works/rock_mechanics/figure-2.jpg" <img src="/images/written_works/rock_mechanics/figure-3.jpg" id="figure-3" alt="Figure 3 &#8211; Geology of the T. 1 Power-Station Site" /> <img class="table" id="table1" alt="TABLE 1 Boomerang Creek Granitic Gneiss (Granulite) (Analyst: D. Lafeber)" src="/images/written_works/rock_mechanics/table-1.jpg" /> <img src="/images/written_works/rock_mechanics/table-2.jpg" id="table-2" class="table" alt=""> <img src="/images/written_works/rock_mechanics/table-3.jpg" id="table-3" class="table" alt=""> <img src="/images/written_works/rock_mechanics/table-4.jpg" id="table-4" class="table" alt=""> <img src="/images/written_works/rock_mechanics/table-5.jpg" id="table-5" class="table" alt=""> <img src="/images/written_works/rock_mechanics/table-6.jpg" id="table-6" class="table" alt=""> <img src="/images/written_works/rock_mechanics/plate-2.jpg" class="plate" alt="Plate 2. &#8211; <img class="figure" src="/images/written_works/rock_mechanics/figure-4.jpg" class="figure" alt="Figure 4 &#8211; Plan and Sections of the Power Station" /> <img class="figure" src="/images/written_works/rock_mechanics/figure-5.jpg" class="figure" alt="Figure 5 &#8211; Mohr Envelopes" /> <img class="plate" src="/images/written_works/rock_mechanics/plate-3.jpg" alt="Photomicrographics" /> <img class="figure" src="/images/written_works/rock_mechanics/figure-6.jpg" class="figure" alt="Figure 6 &#8211; Elastic Properties of Granite" /> <img class="figure" src="/images/written_works/rock_mechanics/figure-7.jpg" class="figure" alt="Figure 7 &#8211; Flat-Jack Test" /> <img class="table" src="/images/written_works/rock_mechanics/table-7.jpg" alt="Table 7 &#8211; Natural Stresses at Three Localities in the Snowy Mountains" /> <img class="figure" src="/images/written_works/rock_mechanics/figure-8.jpg" class="figure" alt="Figure 8 &#8211; Natural Stresses at Three Localities in the Snowy Mountains" /> <img class="plate" src="/images/written_works/rock_mechanics/plate-4.jpg" alt="Plate 4 &#8211; Photoelastic Studies" /> <img src="/images/written_works/rock_mechanics/table-compression-psi.jpg" alt="Table: compression, psi" /> <img class="plate" src="/images/written_works/rock_mechanics/plate-5.jpg" alt="Plate 5 &#8211; Geological Structures" /> <img class="figure" src="/images/written_works/rock_mechanics/figure-9.jpg" alt="Figure 9 &#8211; T. 1 Machine Hall, Stress-Concentration Factors" /> <img src="/images/written_works/rock_mechanics/figure-10.jpg" class="figure" alt="" <img src="/images/written_works/rock_mechanics/figure-11.jpg" class="figure" alt="" <img src="/images/written_works/rock_mechanics/figure-12.jpg" class="figure" alt="Figure 12. &#8211; Measurements of Strain, and Movements in the Machine Hall" <img id="plate-6" src="/images/written_works/rock_mechanics/plate-6.jpg" class="plate" alt="Plate 6. &#8211; Supports Used During Construction" /> <img id="plate-7" src="/images/written_works/rock_mechanics/plate-7.jpg" class="plate" alt="Plate 7. &#8211; Excavation of the Machine Hall "