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News | October 14, 2024 | By: ATA
Solmax recently received the Advanced Textiles Association’s (ATA) International 2024 Achievement Award of Excellence in the Geosynthetics Project – Energy category for its Yanting Natural Gas Treatment Facility project.
The Yanting Natural Gas Treatment Facility project is located in Yanting County, Sichuan Province, covering approximately 320 acres. The site includes various zones such as production, auxiliary production, torch, and front plant areas, as well as functional spaces like warehouses.
Situated within hilly terrain, the project site features elevations ranging from 400 to 500 meters and a varied, moderately complex topography. Geological formations consist of Quaternary and Jurassic strata, comprising rock types like silt, feldspar quartz sandstone, and mudstone.
The initial construction methodology involved significant excavation and filling activities, altering the natural landscape and vegetation distribution. These activities posed risks of geological hazards such as landslides and collapses, as well as potential disruptions to groundwater recharge areas and runoff pathways, impacting the local environment.
A reinforced soil slope with high tensile woven geotextile was chosen as one of the solutions for the project. The slope extends to a maximum height of 61 meters from the foundation level to its top. Constructing a 61-meter-high reinforced soil slope is on the higher end of the scale for typical applications and required careful planning, design, and construction techniques to ensure stability and safety. The slope gradient of 1 vertical to 1.5 horizontal and 1 vertical to 2 horizontal was adopted. To address soil instability issues, strategic approaches were recommended. These included systematic layering and compaction of fill materials, supplemented by reinforced soil with high-strength woven geotextile to enhance shear strength and improve slope stability. This approach not only minimized disruption to the surrounding ground and groundwater but also optimized the project area, reducing land procurement requirements and shortening construction timelines while enhancing safety measures for slope stability.
MIRAFI PET100-50 is a high strength woven geotextile made from high tenacity polyester yarns with long-term high strength reinforcement properties. It was chosen to reinforce the fill slope as it offers high tensile strengths at well-defined strains over long-term design lives. Furthermore, they are highly stable under in-ground environmental conditions. To reinforce the fill slope effectively, MIRAFI PET100-50 high-strength woven geotextiles were strategically placed at 0.5m vertical spacing with varying designed lengths. A total of 910,000 m2 of MIRAFI PET100-50 geotextiles were provided for this project, facilitating the construction of a reinforced soil slope spanning 1.2 km.
The successful completion of the 61-meter reinforced soil slope in October 2023 was attributed to the solution combining the performance of MIRAFI PET high-strength geotextiles and the sound technical expertise and experience of the team. The future phase of the project will involve vegetating the slopes to create a greener environment that will support the surrounding ecosystem.
Project Details
Fabric 1
MIRAFI® PET high strength woven geotextileProducer/Manufacturer: Solmax International Inc.Primary Use: Main Fabric
Engineer Company 1China Petroleum Engineering & Construction Co., Ltd. Southwest Branch
Content is submitted by the participant. ATA is not responsible for the content descriptions of the IAA award winners.
To explore all the 2024 International Achievement Awards Winners entries and read detailed project descriptions , click here. You can also see the IAA Geosynthetic Projects winners here.
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Project DetailsFabric 1Producer/Manufacturer: Primary Use: Engineer Company 1