Taxiway lifted and consolidated with MC-Montan Injekt

• Name

  Kuala Lumpur International Airport 2

• Country

  Malaysia, 2023

• Categories

  Injection Systems

• Products

  MC-Montan Injekt CB
  MC-Montan Injekt FN

Located in the Sepang district of the state of Sel-angor and serving the Malaysian capital, Kuala Lumpur International Airport 2 (KLIA2) was built as a next-generation international air transport hub, providing seamless connections within Malaysia for local and international low-cost and full-service airlines.

A new departure for MC

On Taxiway Y9, via which aircraft access one of the two runways, an area of more than 1,000 m² having suffered damage from the heavy loads endured, needed to be repaired. For this, the subsoil under 39 concrete slabs had to be stabilised. Another four slabs had sunk and needed to be lifted by about 20 mm.

 

Shamsul Ahmad, MC's chief engineer in Malaysia, was able to convince Teras Budi Resources, which was commissioned with the planning and construction work, as well as its consulting firm LR Two Consult, of an innovative MC method that was available. Instead of conventional compaction of the subsoil and mechanical lifting of the slabs, two powerful products from the MC-Montan Injekt series were injected through the concrete slabs into the subsoil.

 

MC-Montan Injekt – the innovative system for consolidating and lifting concrete slabs

MC-Montan Injekt CB is a silicate-based injection resin that has special properties for the consolidation and lifting of concrete slabs and is specifically suitable for the controlled lifting of floor slabs. The low-viscosity duromer resin has a high compressive and tensile strength and is both permanently watertight and harmless to groundwater hygiene. With it, the affected area comprising four concrete slabs of 5 x 5 m each was successfully lifted by 20 mm.

 

In sealing and consolidating the subsoil under the 39 concrete slabs with a total area of 975m², MC-Montan Injekt FN was able to prove its special properties as a means of increasing load-bearing capacity and consolidating subsoil under floor slabs. The soil was stabilised and the slabs of Taxiway Y9 aligned in accordance with the guidelines of the International Civil Aviation Authority (ICAO). Emcekrete CR 80 was then used to repair defects in the reinforced concrete of the slabs.

A highly efficient solution with a perfect finish

At KLIA2, the innovative system comprised of the MC-Montan Injekt product family once again proved to be a highly efficient solution. The work started on 24 May 2022 and was successfully completed in record time on 22 June 2022, i.e. after just one month, whereas it would have taken around six months using conventional methods.