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Rinforzo pannelli murari flessione taglio crm

Reinforcement of wall panels in bending and shear with CRM

The reinforced plaster technique, called CRM, is very common for reinforcing masonry piers and involves the use of a reinforcement frame made of preformed alkali-resistant glass fiber meshes, with thermosetting primer, embedded in a lime-based structural mortar. The meshes are connected through preformed “L” composite connectors in glass fiber and thermosetting resin with improved adhesion and fixed to the masonry elements through chemical anchors (epoxy resin or high-performance, rapid-hardening vinyl ester resin). Alternatively, stainless steel helical bars can be used. The thickness of CRM reinforcement systems is usually between 30 and 50 mm and the intervention allows for increases in shear resistance in the plane and in bending, without excessively modifying the rigidity of the masonry panel.

Features

  • High resistance and reduced thicknesses
  • Extremely flexible networks
  • Corrosion assistance and resistance to alkaline environments

Operational Phases

  1. Preparation of the substrate
  2. Application of a first layer of mortar
  3. Installation of the network
  4. Preparation of the connection systems
  5. Application of the second layer of mortar
  6. Smoothing
Fasi rinforzo pannelli murari flessione taglio crm
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Products and Systems

The following products, which are part of the system, are CE marked:

Foto 190289

Kimitech WALLMESH HR-HD

Preformed A.R. glass fibre structural mesh

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Foto 190258

Kimitech WALLMESH HR

Rete in fibra di vetro A.R. preformata con appretto termoindurente

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Foto 190287

Kimitech WALLMESH MR-HD

Preformed H.R. glass fibre structural mesh

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Foto 190253

Kimitech WALLMESH MR

Rete in fibra di vetro A.R. preformata con appretto termoindurente

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Foto 190324

Kimitech WALLMESH CRM 99x99

Rete strutturale rigida in fibra di vetro preformata

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Foto 190323

Kimitech WALLMESH CRM 66x66

Rete strutturale rigida in fibra di vetro preformata

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Foto 190322

Kimitech WALLMESH CRM 33x33

Rete strutturale rigida in fibra di vetro preformata

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Foto 190288

Kimitech WALLMESH CORNER HD

Rete strutturale in fibra di vetro A.R. preformata

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Foto 190314

Kimitech CORNER CRM 33x33, 66x66, 99x99

Angolare preformato in fibra di vetro

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Foto 190304

Kimitech PLUG VR/HD

Preformed "L" shaped connector with improved grip

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Foto 190254

Kimitech PLUG VR

Connettore preformato a “L” ad aderenza migliorata

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Foto 190333

Kimitech PLUG CRM

Connettore preformato a “L” in fibra di vetro

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Foto 180076

Kimisteel INOX X-T

Connettore in acciaio inox AISI 304 per il collegamento a T tra le barre elicoidali Kimisteel...

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Foto 180079

Kimisteel INOX X-CAP

Sistema di fissaggio per ancoraggio di barre elicoidali Kimisteel INOX X-BAR

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Foto 190295

Kimisteel INOX X-BAR

Helical inox steel bars for structural reinforcement

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Foto 040511

Kimitech VINYL CTR

Bi-component vinylester resin in cartridges for anchoring

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Foto 040612

Kimitech EPOXY CTR

Bi-component epoxy resin cartridges for anchoring injections

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Foto 010262 N

Tectoria M15

NHL based mortar used for masonry, break-fill, anchoring, plasters and reinforcing castings

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Foto 010338

Basic MALTA M15

Mortar made out of natural hydraulic lime for masonry class M15

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