JAHKAI — Ground Support Systems | أنظمة دعم الأرضيات

Ground support is the foundation of every safe underground operation. Before a single tonne of ore is extracted, the excavation must be stabilised. Ground conditions vary enormously — from competent hard rock requiring minimal support to heavily fractured, stressed, or squeezing ground demanding sophisticated multi-element support systems.

دعم الأرض هو أساس كل عملية آمنة تحت الأرض. Ground support is the foundation of every safe underground operation.

Jahkai's team brings extensive experience across the full spectrum of ground conditions encountered in Australian underground mining — from the stable granites of Western Australia's goldfields to the challenging coal measures of Queensland and the complex metamorphic sequences of base metal operations. We deploy that experience into every new geological environment, adapting proven support methodologies to local ground behaviour.

يجلب فريق جاكاي خبرة واسعة عبر الطيف الكامل لظروف الأرض في التعدين الأسترالي. Jahkai's team brings extensive experience across the full spectrum of ground conditions.

"The ground will always tell you what it needs. The skill is listening — reading the geology, understanding the stress regime, and installing the right support before the ground decides for you."

"الأرض ستخبرك دائماً بما تحتاجه. المهارة هي الاستماع." "The ground will always tell you what it needs. The skill is listening."

What We Deliver

ما نقدمه What We Deliver

Ground Support Methods

طرق دعم الأرض Ground Support Methods

Every support element selected for the right geological condition, installed to specification, and verified for performance.

كل عنصر دعم مختار للظرف الجيولوجي المناسب. Every support element selected for the right geological condition.

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Rock Bolting

تثبيت الصخور Rock Bolting

Full range of bolting systems matched to ground conditions: split sets for immediate friction support in competent rock, resin bolts for high-capacity permanent reinforcement, Swellex bolts for rapid installation in fractured ground, CT bolts for corrosion-resistant long-term support, and cable bolts for deep reinforcement in wide spans and intersections.

مجموعة كاملة من أنظمة التثبيت المطابقة لظروف الأرض. Full range of bolting systems matched to ground conditions.

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Mesh Installation

تركيب الشبك Mesh Installation

Weldmesh for standard ground support in development and production areas. Chain-link mesh for dynamic ground conditions where deformation capacity is required. High-tensile mesh for seismically active ground and high-stress environments. All mesh installed to specification with correct overlap, pinning density, and integration with bolting patterns.

شبك ملحوم للدعم الأرضي القياسي في مناطق التطوير والإنتاج. Weldmesh for standard ground support in development and production areas.

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Shotcrete

الخرسانة المرشوشة Shotcrete

Wet-mix shotcrete for high-volume, high-quality application in development headings and permanent infrastructure. Dry-mix shotcrete for remote areas and smaller applications. Fibre-reinforced shotcrete for enhanced tensile performance and crack resistance. Nozzle operation, thickness verification, and quality testing (early-age and 28-day strength) to international standards.

خرسانة مرشوشة رطبة للتطبيق عالي الحجم في واجهات التطوير. Wet-mix shotcrete for high-volume application in development headings.

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Steel Sets & Heavy Support

الهياكل الفولاذية والدعم الثقيل Steel Sets & Heavy Support

Steel arch sets and lattice girders for high-convergence ground, major intersections, and long-term infrastructure openings. Designed to geotechnical specification, fabricated to dimension, and installed with backfill or shotcrete encapsulation for full load transfer. Used where bolt-and-mesh systems alone cannot manage ground behaviour.

أقواس فولاذية وعوارض شبكية للأرض عالية التقارب. Steel arch sets and lattice girders for high-convergence ground.

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Specialist Support Methods

طرق الدعم المتخصصة Specialist Support Methods

Spiling for advancing through poor ground ahead of the face. Forepoling with grouted steel elements to pre-reinforce weak zones. Canopy tubes for systematic pre-support in tunnel portals and shallow cover zones. These specialist techniques are critical for managing difficult ground conditions safely.

تقنيات متخصصة حاسمة لإدارة ظروف الأرض الصعبة بأمان. Specialist techniques critical for managing difficult ground conditions safely.

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Ground Monitoring

مراقبة الأرض Ground Monitoring

Comprehensive monitoring systems to track ground behaviour in real time: extensometers for measuring displacement at depth, convergence monitoring for opening deformation, seismic monitoring for microseismic activity in high-stress environments, and cavity monitoring systems (CMS) for void survey and stope performance assessment.

أنظمة مراقبة شاملة لتتبع سلوك الأرض في الوقت الحقيقي. Comprehensive monitoring systems to track ground behaviour in real time.

Equipment & Technology

المعدات والتكنولوجيا Equipment & Technology

Mechanised Ground Support Fleet

أسطول دعم الأرض الآلي Mechanised Ground Support Fleet

Modern ground support is a mechanised discipline. Manual installation is reserved for areas where equipment access is restricted. Our operators are experienced across the industry's leading equipment platforms.

دعم الأرض الحديث هو تخصص آلي. Modern ground support is a mechanised discipline.

Bolting Equipment

معدات التثبيت Bolting Equipment

Sandvik DS-series bolters — DS311, DS411, DS421 for single and twin-boom mechanised bolting in development and production

Epiroc Boltec — Boltec M, Boltec S for automated and semi-automated bolt installation

Cable bolt rigs — purpose-built platforms for deep-hole cable bolt installation in wide spans

Handheld equipment — pneumatic and hydraulic bolters for restricted-access areas and secondary support

Shotcrete & Monitoring

الخرسانة المرشوشة والمراقبة Shotcrete & Monitoring

Normet Spraymec — mechanised shotcrete spraying for development headings and infrastructure areas

Putzmeister concrete pumps — high-pressure pumping for long-distance shotcrete delivery underground

GroundProbe — slope stability radar adapted for underground convergence and deformation monitoring

IDS GeoRadar — interferometric radar systems for real-time ground movement detection in high-risk areas

Gulf Relevance

الصلة بالخليج Gulf Relevance

Arabian Shield Geology

جيولوجيا الدرع العربي Arabian Shield Geology

The Arabian Shield presents ground conditions that are both geologically fascinating and operationally demanding. As the Kingdom transitions from surface mining to underground operations, understanding and managing these conditions is essential.

يقدم الدرع العربي ظروفاً أرضية مثيرة جيولوجياً ومتطلبة تشغيلياً. The Arabian Shield presents ground conditions that are both geologically fascinating and operationally demanding.

Complex Precambrian Sequences

التسلسلات ما قبل الكمبرية المعقدة Complex Precambrian Sequences

The Arabian Shield's Precambrian basement rocks include highly variable sequences of metamorphic and igneous formations — schists, gneisses, volcanic tuffs, and intrusive bodies with complex contact zones. Structural features including major fault systems, shear zones, and folding create locally challenging ground conditions that change rapidly over short distances. This geological complexity demands experienced ground assessment at every face advance, with support systems selected and adapted in real time by operators who understand the geology.

تشمل صخور القاعدة ما قبل الكمبرية في الدرع العربي تسلسلات متغيرة للغاية. The Arabian Shield's Precambrian basement rocks include highly variable sequences.

Unfamiliar Ground for a Young Mining Sector

أرض غير مألوفة لقطاع تعدين حديث Unfamiliar Ground for a Young Mining Sector

Saudi Arabia's underground mining sector is expanding rapidly, but the institutional experience of managing difficult ground conditions is still developing. Our team brings direct experience from some of Australia's most geologically challenging underground operations — conditions that are directly analogous to what will be encountered as Arabian Shield deposits are developed at depth. We transfer that ground assessment capability to local teams through structured on-the-job training, ensuring the Kingdom builds its own geotechnical expertise alongside its mining workforce.

يتوسع قطاع التعدين تحت الأرض في السعودية بسرعة. Saudi Arabia's underground mining sector is expanding rapidly.

Thermal Considerations

الاعتبارات الحرارية Thermal Considerations

Saudi Arabia's extreme surface temperatures create unique challenges for ground support materials — particularly shotcrete and resin systems where curing characteristics are temperature-sensitive. Our experience includes adapting mix designs, application timing, and curing management for hot climates, ensuring ground support performance meets specification regardless of ambient conditions.

تخلق درجات الحرارة القصوى تحديات فريدة لمواد دعم الأرض. Saudi Arabia's extreme surface temperatures create unique challenges for ground support materials.

Knowledge Transfer

نقل المعرفة Knowledge Transfer

Ground Support Training & Assessment

التدريب والتقييم على دعم الأرض Ground Support Training & Assessment

Ground support installation is a critical safety skill — incorrect bolt installation, insufficient shotcrete thickness, or missed geological indicators can have fatal consequences. Our training covers every element of ground support competency.

تركيب دعم الأرض مهارة سلامة حرجة. Ground support installation is a critical safety skill.

Geological awareness — reading the rock mass, identifying structural features, assessing ground quality before and after blasting
Support selection — matching the right support element to the observed ground condition, understanding when to escalate support requirements
Mechanised installation — safe and efficient operation of bolting rigs, shotcrete machines, and cable bolt equipment
Quality verification — bolt pull testing, shotcrete thickness and strength testing, mesh installation inspection, monitoring system operation
Geotechnical observation — training frontline operators to identify and report ground behaviour changes that may indicate developing instability
Emergency ground control — procedures for managing unexpected ground failure, evacuation protocols, and temporary stabilisation techniques