Matrixx News Blog

Erosion Control with Typar Geotextile

Typar geotextile provides a cost-effective replacement to conventional well graded filter between soil to be retained and concrete slab revetments which protect the filter geotextile. Road embankments are susceptible to soil erosion. For Suna road project, UEP used DuPont Typar geotextile to filter and prevent soil movement along the surface of the slope. Traditionally multi-phased …

Restoration of Saint Patrick’s Cathedral, Karachi

Overview Background: Saint Patrick’s Cathedral was built in 1845 using natural stone. With time the heritage building has experienced weathering and degradation, particularly along the plinth of the building. Ground moisture was identified as the main cause of degradation and weathering of the natural stone structure. Problem: As part of preservation and restoration work, a …

Filtration & Drainage for Water Logged Soil

Overview In drainage applications (controlled discharge of water) it has become standard practice to replace the conventional granular filter with a geotextile filter. A geotextile filter fulfills the same function: it prevents the clogging of the drain but with the advantage of easy installation and a controlled filter quality that is not compromised by poor …

Urban Forest Lake with Mattex Geotextile

Overview An urban forest spread over 3 acres is being developed by Shahzad Qureshi in Clifton Block 5, Karachi. As part of the development, an earthern lake has been created. To address seepage losses issues, a 1.00mm thick PVC Geomembrane Liner (A.T.S. Synthetics) was used along-with a 200 GSM Polypropylene Non-Woven Needle Punched Geotextile (Mattex) …

TECHNICAL COMMITTEE MEETING ON GEOSYNTHETICS

Overview Meeting held on 31 July 2018 to review ASTM standards for measurement of physical properties of geotextile including thickness, weight, and opening size. Standards for deterioration of geotextile and shear strength at interface of geosynthetics were also reviewed. Meeting was attended by representative from public and private sector.

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