PU Injection Resins
WEBAC® PURseal
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Anchor Bonding
Installation of tie rods and injection nozzles for securing unconsolidated rock, fault zones and dams
Stabilization of tunnel and mining facilities by means of cast-in-place tie rods and injection nozzles
Anchors or anchor rock bolts serve to re-bond ruptured rock mass sections and to stabilize unconsolidated rock and fault zones. Anchor bonding is a method used in the context of many stabilization and consolidation measures, e.g. in combination with sprayed concrete linings anchored in the rock mass.
Different types of wire rope and bar anchors, in many cases self-drilling anchor rock bolts, are used for anchor bonding
- Stabilization of rock mass in tunneling
- Repair of fractures in overburden
- Anchorage of tunneling shells and building structures in rock and rock mass
- Installation of stabilization anchors in dam construction
Adhesive resins are characterized by their very fast strength development, thixotropic behavior, slight foaming tendency, non-emulsifying character and good water displacement during the injection phase.
Accordingly,
- High strength PU resins
- Tough silicate resins
- Both material classes preferably with Approval for Mining
are used.
Before the anchor installation, sealing by means of waterstop injections against strong water ingress or inrush is necessary.
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Products Used
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WEBAC PURseal is a fast-curing, permanently sealing PU injection resin. It cures into a compact, high-strength material without contact with water, while it reacts with a slight foaming action upon contact with water. The resin is used for subsoil stabilization and rock reinforcement, as well as for sealing against flowing and pressurized water in Foundation Pits, tunnels, and transportation infrastructure projects.
PU Injection Resins
WEBAC® PURseal M
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View productWEBAC PURseal M is a permanently sealing PU injection resin with German mining approval that is characterized by extremely rapid strength development. Without contact with water, it cures into a compact, high-strength material, while it reacts with slight foaming upon contact with water. The resin is used for anchor bonding as well as for Subsoil stabilization and rock reinforcement.
PU Injection Resins
WEBAC® PURseal M S
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View productWEBAC PURseal M S is a fast-curing PU injection resin with DIBt approval for environmental compatibility when in contact with soil and groundwater. It cures into a compact, high-strength material without contact with water, while it reacts with a slight foaming effect when in contact with water. The resin is used for subsoil stabilization and rock reinforcement, as well as for securing foundation pits and tunnel structures.
PU Injection Resins
WEBAC® PURseal M SL10
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View productWEBAC PURseal M SL10 is a PU injection resin with extended working and penetration times that has received DIBt approval for environmental compatibility when in contact with soil and groundwater. The resin cures into a compact, high-strength material without contact with water and reacts with a slight foaming effect when it comes into contact with water. It is used for subsoil stabilization and rock reinforcement, as well as for permanent waterproofing.
PU Injection Resins
WEBAC® PURseal M SL5
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View productWEBAC PURseal M SL5 is a relatively fast-curing PU injection resin. It cures into a compact, high-strength material without contact with water, but reacts with slight foaming when it comes into contact with water. The resin is used for subsoil stabilization and rock reinforcement, as well as for securing foundation pits and tunnel structures.
Silicate Resins
WEBAC® SILcompact M
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View productWEBAC SILcompact M is a non-foaming silicate injection resin with German Mining Approval. It offers excellent flow properties and cures very quickly into a compact material that can be cut and planed. The resin is used for stabilizing and sealing tunnel structures and in mining applications.
Silicate Resins
WEBAC® SILcompact M thix
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View productWEBAC SILcompact M thix is a non-foaming silicate injection resin with German Mining Approval. It offers excellent flow properties combined with rapid viscosity development and cures very quickly into a solid material that can be cut and planed. The resin is used for stabilizing and sealing tunnel structures and in mining applications.
