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GEOTECHNICAL WORKS
GROUND ANCHOR
A ground anchor is a restraining device that is installed in natural or man-made formations or structures (e.g. rock formations and earth retaining structures). Ground anchors are stressed using tension anchors to prevent structural movement, and are designed to transfer loads from these formations and structures to a fixed and stable foundation. Ground anchors may either be temporarily or permanently used to support formations, foundations and structures.
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HORIZONTAL DRAIN
Horizontal drains are installed in slopes to reduce water-induced instability by redirecting
groundwater.
Our Group installs horizontal drains by drilling holes through the slope and laying the
drainage pipes in the drilled holes. The drainage pipes contain holes, and are wrapped with
geotextile to prevent soil from entering the drainage pipes.
HYDROMULCHING
Hydromulching is a slope greening method undertaken to protect slopes from erosion, instabilities and weathering, through slope vegetation. In addition, hydromulching also provides landscaping benefits.
It is involves the spraying of seeds, fertilizer, mulch and a form of binder onto the slope surface. Once sprayed, a biodegradable interlocking mat is formed on the slope surface, allowing for moisture to be retained to encourage seed germination. Slope may be reinforced with wire mesh in advance, in order to increase soil strength.
GROUTING
Grouting is used to fill cracks and cavities in the ground/foundation, in order to reduce water permeability, increase the stability of the foundation and improve underground properties.
Our grouting techniques for ground improvement works include, but are not limited to, jet grouting and pressure cement grouting, and utilises concrete mortar, in its fluid form.
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