Glass-laminated concrete building element

Details Glass-laminated concrete building element Glass-laminated concrete building element

1995-11-14

1998-06-09

Speer, Timothy

Stock material or miscellaneous articles

Composite

Of quartz or glass

428 70, 428702, 428703, 5230917, 523093, 5250601, B32B 1700

Patent

active

057630909

ABSTRACT:
A building element has a slab of concrete having a face, a sheet of glass juxtaposed with the face, and a layer of mortar between and bonded monolithically to the glass sheet and the slab face. The mortar consists essentially of a fine-particulate neutral aggregate, cement, and an aqueous dispersion of a polyacrylic-acid derivative having a logarithmic decrement according to DIN 53,445 which is at a maximum below 0.degree. C. The aqueous dispersion is in an amount insufficient to fully hydrate the cement. In addition the mortar layer has a thickness and a content of polyacrylic acid sufficient to permit differential thermal expansion of the slab and glass without cracking of the mortar layer.

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