{"id":56257,"date":"2023-12-14T17:04:10","date_gmt":"2023-12-14T16:04:10","guid":{"rendered":"https:\/\/maccaferri-stage.softecspa.it\/ph\/success-stories\/tvi-balabag-gold-project-spillway\/"},"modified":"2024-01-25T10:33:57","modified_gmt":"2024-01-25T09:33:57","slug":"tvi-balabag-gold-project-spillway","status":"publish","type":"stories","link":"https:\/\/maccaferri-stage.softecspa.it\/ph\/success-stories\/tvi-balabag-gold-project-spillway\/","title":{"rendered":"TVI BALABAG GOLD PROJECT SPILLWAY"},"content":{"rendered":"
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Problem<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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TVI Resource Development (Phils.) Inc. operates a gold and silver mine in Sitio Balabag, Barangay Depore, Municipality of Bayog, Zamboanga del Sur, Philippines. A hydraulic spillway structure has been designed to support the excess runoff from the residual storage impoundment (RSI) earth dam of the mining company. A practical and economical design of the spillway was required that will dissipate the flow and reduce the water velocity downstream. Our integrated solution of Terramesh\u00ae System, reinforced with MacGrid Geogrids, and gabions were used to build the spillway structure. The back of the Terramesh\u00ae units were lined with MacTex\u00ae non-woven geotextiles. <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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Solution<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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Maccaferri\u2019s gabions and Terramesh\u00ae units were used in the design. The Terramesh\u00ae units were mainly used for the construction of the drop structures and the side walls while the gabions were installed as lining of the bottom landings of the spillway and as termination of the walls. The Terramesh\u00ae System units were reinforced with MacGrid\u00ae geogrids, to provide the required tensile mechanical strength of the wall structure. The MacGrid\u00ae geogrids used have a tensile strength of 100 kN\/m. The cascading steps and landing portions were capped with concrete for abrasion protection. The top portion of the spillway measures 20m wide and succeeding drop heights vary from 3m to 5m. Both Terramesh\u00ae System and gabion units were filled with head-sized boulders which are available on site. MacTex\u00ae nonwoven geotextiles were also used to line the rear of the Terramesh\u00ae units with a 150 gsm non-woven geotextile (MacTex\u00ae MXL35) to prevent migration of the backfill to the spillway structure. The completed spillway structure has a low carbon footprint that services the requirement of the RSI as it naturally blends with the environment. Succeeding phases of the spillway will be constructed as the height of the RSI is increased. <\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>

Used Products<\/h2>
\"Gabions\"<\/div>
Gabions<\/h6>Maccaferri Gabion is a Double-Twisted \u201cDT\u201d wire mesh container of variable sizes uniformly partitioned into internal cells, interconnected with oth<\/span>View\n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div>
\"TerraMesh\"<\/div>
TerraMesh<\/h6>Maccaferri Terramesh\u00ae Family includes different facing options to build a Mechanically Stabilized Earth (MSE) structures and Reinforced Soil Slopes<\/span>View\n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div>
\"Nonwoven<\/div>
Nonwoven Geotextiles<\/h6>Nonwoven geotextiles are flat textile structures consisting of synthetic fibres casually assembled by needle punching and\/or thermal processes; the<\/span>View\n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div>
\"MonoAxial<\/div>
MonoAxial GeoGrids<\/h6>Geogrids are used mostly for reinforcement purposes considering their peculiar structure is able to provide the necessary strength to reinforce the<\/span>View\n \n <\/a>
star<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

Maccaferri\u2019s gabions and Terramesh\u00ae units were used in the design. 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