Thermally insulated precast wall element for vertical concrete walls application and manufacturing process

(11) EP 2 642 042 A1
(22) 27.08.2012
(43) 25.09.2013
(71) Applicant: Cemex Research Group AG, 2555 Brügg bei Biel (CH)
(57) Thermally insulated precast wall element for vertical concrete walls application and manufacturing process, the wall element comprising: a) a first concrete layer (1 ), of thickness (T1) from 100 to 600 mm, with the following characteristics:
- strength in compression from 0.1 MPa to 10MPa,
- slump flow between 400mm - 800mm,
- thermal conductivity between 0.07 W/m*k and 0.2 W/m*k,
- density between 0.3 tons/m3 and 1 ton/m3,
- air content between 30% to 60%,
b) a non-woven fabric...

Related articles:

Issue 03/2019

Thermal anchor for carbon-fiber reinforced concrete double walls

Double walls or thermal double walls made of reinforced concrete have long been used in the precast industry. On account of their high degree of prefabrication and their function as permanent formwork...

more
Issue 01/2018

Precast insulated load bearing roof element and methods of manufacturing a roof element

(10) US2017321420 (A1 (57) The present disclosure relates to a precast load bearing roof deck element for a building comprising an upper floor layer of concrete, a load bearing steel reinforced lower...

more
Issue 08/2018

Load-bearing behavior of wall elements with formwork anchors integrated in the insulation material

Increasing thermal and acoustic requirements on external wall systems more and more demand for multi-layer wall structures. Wall panels made of precast concrete elements fulfilling these requirements...

more
Issue 04/2010 An energy efficient solution for multi-layer and sandwich walls

ComBar thermal anchor: resistant against corrosion

This anchor realizes U-values between 0.236 W/m²K and 0.391 W/m²K at an average hollow wall of 30.0 cm up to 36.5 cm. Solutions with conventional lattice girders have significantly higher U-values....

more
Issue 01/2022 RAPP

Precast composite system elements ensure fully insulated building envelopes

The RappAutarkPlusHaus system is a state-of-the-art building system whose envelope meets the requirements of the German passive house standard. This system relies on industrial production, consumes...

more