Nonwoven Geotextiles

HG Silos will be constructing 12 units of 1500 metric tons of grain silos in Talavera, Nueva Ecija. Based on the soil investigation report, the soil is underlain by five to six meters of silty sand having a standard penetration test (SPT) - N value range of six to ten. It is recommended that an allowable bearing capacity of 175 kPa should the soil obtain for it to be able to carry all the loads induced by the grain silos. For tank farm facilities situated on soft soils, the solution of the geogrid reinforced foundation is often used to address the low bearing capacity. Geogrids address the issue of low bearing capacity by increasing their load-carrying capacity. HG Silos sought a recommendation to Maccaferri Philippines to increase the capacity of the soil.

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Ambuklao Hydroelectric Plant is located in the mountains of Bokod, Benguet and is about 36 kilometers northeast of Baguio City, the summer capital of the Philippines. Ambuklao HP was designed to provide 75 MW of energy to the Luzon power grid. When SN Aboitiz Power—Benguet, Inc. took over the operation of the power plant, they began major rehabilitation and upgrade of the facility. This included works on the upstream slope of dam slope that suffered major erosion problem since 1999 when the power plant stopped its operation. In this, a practical and effective erosion protection that can last for the intended design life of the structure was required.

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Maccaferri Pty Ltd was approached by Rail Infrastructure Corporation (RIC) for design assistance on an energy dissipater for a stormwater outfall. The preliminary design was a reinforced concrete USBR (United States Bureau of Reclamation) style dissipater. With time and budget constraints against RIC, Maccaferri had to act quickly to deliver a solution for their needs. A further requirement for RIC was that the design had to be certified.

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