شركة تقنية حفر الانفاق

معلومات أساسية

وصف المنشأة
شركة تقنية حفر الأنفاق هي شركة رائده في أعمال الثقب الأفقي بأنواعه المختلفه (HDD - Microtunneling) حيث تستخدم الشركة أحدث الآلات و المعدات في أعمال الثقب من شركات عالميه في هذا المجال مثل شركة HerrenKnecht الألمانية وشركة DitchWitch الأمريكية.
و أيضاً من ضمن تخصصات الشركة أعمال الSheetPilling وتغطيتها بالكامل و أعمال تجفيف و إذاحة المياه الجوفية من التربة.

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التفاصيل
MicroTunneling
Microtunneling is a process that uses a remotely controlled Tunneling Machine combined with a pipe jacking technique to directly install product pipelines underground a single pass. This process avoids the need to have long stretches of the open trench for pipe laying, which causes extreme disruption to the community. Product pipes of a variety of materials can be used, but typically consist of steel concrete and GRP.

التفاصيل
Horizontal Directional Drilling (HDD)
The process starts with receiving hole and entrance pits. These pits will allow the drilling fluid to be collected and reclaimed to reduce costs and prevent waste. The first stage drills a pilot hole on the designed path, and the second stage (reaming) enlarges the hole by passing a larger cutting tool known as the back reamer. The reamer's diameter depends on the size of the pipe to be pulled back through the borehole.

التفاصيل
Sheet Piling
Sheet pile retaining walls are usually used in soft soils and tight spaces. Sheet pile walls are made out of steel, vinyl or wood planks which are driven into the ground. For a quick estimate, the material is usually driven 1/3 above ground, 2/3 below ground, but this may be altered depending on the environment. Taller sheet pile walls will need a tie-back anchor, or "dead-man" placed in the soil a distance behind the face of the wall, that is tied to the wall, usually by a cable or a rod. Anchors are then placed behind the potential failure plane in the soil.

التفاصيل
DeWatering
Dewatering is the removal of water from solid material or soil by wet classification, centrifugation, filtration, or similar solid-liquid separation processes, such as removal of residual liquid from a filter cake by a filter press as part of various industrial processes. Construction dewatering, unwatering, or water control are common terms used to describe removal or draining groundwater or surface water from a riverbed, construction site, caisson, or mine shaft, by pumping or evaporation. On a construction site, this dewatering may be implemented before subsurface excavation for foundations, shoring, or cellar space to lower the water table.

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