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Custom Umbrella Pipe Manufacturer in China

We offer advanced umbrella pipe (pipe roofing) pre-support systems for stabilizing challenging ground conditions in tunneling and mining. We manufacture these steel or GFRP pipes to form a protective canopy over the planned excavation area. We provide a solution that enhances project safety and reduces unwanted ground deformation.

Sinodrills - Your Trusted Umbrella Pipe Manufacturer from China

We manufacture and supply superior umbrella pipe systems directly from China, serving global tunneling and mining projects. We offer reliable, customizable pre-support solutions, including steel and GFRP pipes. We provide products engineered for maximum ground stability and safety in demanding underground environments, ensuring successful project execution.

umbrella pipe system

Umbrella Pipe Benefits

  • Enhances Ground Stability We offer crucial ground reinforcement before excavation. This process limits rock fallout and controls deformation, improving safety.

  • Reduces Ground Deformation We provide a stiff canopy that effectively minimizes settlement. This protective barrier maintains the surrounding ground structure integrity.

  • Increases Worker Safety We supply a stabilized working environment for crews. This reduces the risk from unexpected ground collapse during excavation.

  • Allows Faster Excavation We offer a pre-supported face that enables quicker advance rates. This efficiency speeds up the overall tunneling schedule.

Umbrella Pipe Components

  1. Casing/Drill Tube This component is the main body, providing structural support during drilling operations. We provide tubes in various lengths.

  2. Grouting Holes These openings allow the injection of grout to stabilize the surrounding soil or rock. We supply parts for effective ground consolidation.

  3. Drill Rod The Drill Rod transmits rotation and power from the drilling rig to the cutting components. We offer robust rods.

  4. Pilot Bit This is the leading cutting tool that initiates the borehole and guides the entire assembly. We supply precision-engineered bits.
  5. Ring Bit Assembly This assembly enlarges the hole diameter to match the Casing/Drill Tube for efficient pipe advancement. We manufacture durable cutting systems.

  6. Casing Shoe The Casing Shoe is a reinforced section providing a strong connection for the Ring Bit Assembly during drilling. We provide robust shoes.

  7. Ring Bit This part is the primary cutter, designed to drill and pull the Casing/Drill Tube into the stabilized ground. We supply optimized drill bits.

umbrella pipe system part

Various Umbrella Pipe

pipe umberall system

umbrella pipe system

We manufacture and supply key components for the umbrella pipe roofing system. We offer casing/drill tubes, drill rods, pilot bits, and complete ring bit assemblies. These essential tools are used in tunneling to stabilize the ground, ensuring safety and efficient advance of excavation work. We provide parts engineered for reliability.

pipe umberall system for rock drilling

umbrealla drill pipes for rock drilling

We manufacture robust umbrella drill pipes designed specifically for demanding rock drilling applications in tunneling. We supply durable casing/drill tubes with optimal wall thickness, ensuring superior straightness and strength during drilling. We offer components that handle the high-stress conditions associated with hard rock formations. These tools enhance safety and maximize tunneling efficiency.

Customize Your Desired Umbrella Pipe

Material Composition and Heat Treatment

We offer various steel grades and specialized material alloys to withstand different rock hardness levels and corrosive tunnel environments. Customizing the material composition ensures superior toughness and wear resistance, significantly extending the service life of the drill pipes. We also apply specific heat treatment processes to achieve the precise balance of strength and ductility required for high-impact rock drilling.

Pipe Diameter and Wall Thickness

We provide customization of the pipe diameter to perfectly match your specific drilling rig and required grouting area coverage. The wall thickness can be adjusted to optimize the strength-to-weight ratio, which improves handling while maintaining necessary structural integrity under high thrust loads. Selecting the right dimensions is crucial for seamless operation and effective ground stabilization.

Grouting Hole Configuration

We allow flexibility in the number, size, and spatial arrangement of the grouting holes along the casing/drill tube. This customization directly influences the efficiency and effectiveness of grout injection, ensuring thorough saturation and consolidation of unstable rock and soil formations. The tailored configuration maximizes rock stabilization ahead of the tunnel face.

Connection Thread Type and Design

We offer various industry-standard and customized connection thread types to guarantee perfect compatibility with your existing drilling consumables and equipment. Furthermore, we can refine the thread design for improved coupling engagement and faster make-up/break-out times. A robust and reliable thread connection is vital for minimizing downtime during continuous rock drilling operations.

what is umbrella Pipe?

The umbrella pipe system is a specialized ground pre-support method primarily used in tunneling and underground construction. 

We define it as a series of steel pipes, or casing tubes, drilled in an arch shape above the excavation area before the rock is removed. This process creates a reinforced canopy

what is umbrella Pipe used for?

The umbrella pipe system is a crucial technique in modern tunneling and underground construction, designed to enhance safety and stability. We employ this method primarily for pre-support ahead of excavation, creating a reinforced arch structure. This system effectively manages ground risk when working in challenging geological conditions, particularly those involving fractured rock, weathered rock, or soft soil.

We provide the essential pipes and components needed for successful implementation.

Pre-Support in Unstable Ground

  • Stabilizing Weak Rock and Soil We use the umbrella pipe system to provide immediate structural reinforcement to weak, fractured, or highly weathered rock masses and soft soil. Before removing the ground, we install the pipes, which are then grouted, creating a rigid canopy. This process effectively prevents potential localized collapses at the tunnel face, ensuring a safer work environment for the crew and equipment.

  • Controlling Ground Deformation We apply the umbrella pipe technique to limit excessive ground deformation and settlement that can occur during and after excavation, protecting the tunnel structure. The pre-support canopy minimizes the movement of the surrounding rock or soil, thereby reducing stress on the final tunnel lining and the ground surface above. We ensure our components contribute to strict deformation control.

Enhancing Tunneling Advance

  • Reducing Water Inflow We utilize the grouted umbrella pipes to significantly reduce water inflow into the tunnel excavation area from surrounding saturated ground. The injected grout seals fissures and voids within the rock mass, acting as a cutoff barrier. This greatly improves working conditions and reduces the costly and time-consuming efforts associated with water management during construction.

  • Facilitating Full-Face Excavation We enable the use of more efficient full-face excavation methods, such as Tunnel Boring Machines (TBMs) or sequential excavation, in conditions where conventional methods would be too risky. By providing pre-support, the umbrella pipe system creates a stable crown for continuous advance. We supply the reliable pipes that permit faster, more predictable tunneling progress.

why choose our umbrella Pipes?

Choosing our umbrella pipe solutions means opting for reliable, high-performance tunneling components engineered for stability and efficiency. We are dedicated to manufacturing casing/drill tubes and systems that meet the rigorous demands of underground construction in diverse geological settings. We ensure our pipes provide superior ground support, enhancing safety and significantly streamlining your excavation process. We supply tools designed to maximize your project’s productivity and success.

  • Optimized Steel and Hardness We utilize specially selected steel alloys and apply precise heat treatments to achieve optimal pipe toughness and surface hardness. This superior material integrity ensures exceptional resistance to abrasion and stress cracking during aggressive rock drilling, significantly extending the lifespan of our umbrella pipes. We provide pipes that maintain their structural performance even in the most challenging ground conditions.

  • Precise Dimensional Consistency We maintain strict control over the manufacturing process to ensure outstanding dimensional consistency in pipe diameter, wall thickness, and straightness. This precision guarantees seamless compatibility with your drilling and grouting equipment, reducing friction and minimizing the risk of jamming or misalignment during installation. We supply pipes that integrate flawlessly into your tunneling operation.

  • Engineered Grouting Hole Placement We design and position the grouting holes strategically along the pipe body to maximize the coverage and penetration of the injected grout material. This carefully engineered placement ensures uniform consolidation of the surrounding rock and soil mass. We provide pipes that facilitate more effective sealing and ground strengthening, which is critical for successful pre-support.

  • High-Flow Capacity We manufacture our pipes with an interior finish and adequate capacity to ensure a high-flow rate for the grout mixture during injection. This capability allows for faster, more efficient sealing of voids and fissures within the ground. By enabling rapid grouting, we help reduce critical path time on your project, accelerating the overall tunnel advance.

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All-in-one Umbrella Pipe Solutions for Your Project

We offer comprehensive, integrated solutions for your tunneling and ground stabilization needs. We supply all-in-one umbrella pipe systems, including durable casing/drill tubes, robust drill rods, and complete ring bit assemblies. We provide customized components engineered for reliable performance in diverse geological conditions. Our commitment is to enhance your project’s safety and efficiency from start to finish.

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