Fire-resistant frame structure for a facade or glass roof

A fire resistant frame structure for a facade or glass roof, comprising

• a first structural element;
• a second structural element connectable to the first structural element to form a support construction and so positioned relative to the first structural element as to form bays for receiving a fire-proof glasswork,
• each of said first and second structural elements being made of aluminum and comprised of a supporting core member, having a central web which has a configuration of a tuning fork and is formed with a threaded bore, for receiving static loads, an enclosure having a U-shaped box surrounding the core member and having a pair of legs projecting slightly beyond an area of the core member, connecting means for joining the core member to the enclosure such that a hollow chamber is formed between the core member and the enclosure, adsorbent material received in the hollow chamber and having heat absorbing and hydrophilic properties, wherein the connecting means provide a low heat conductivity to effect a low heat flux from the enclosure to the core member, and fire protection strips provided in a glass rebate area on both sides of the threaded bore for bloating under the influence of a temperature rise in case of fire.

A fire resistant frame structure for a facade or glass roof, comprising a first structural element;

• and a second structural element connectable to the first structural element to form a support construction and so positioned relative to the first structural element as to form bays for receiving a fire-proof glasswork, each of said first and second structural elements being made of aluminum and comprised of a supporting core member for receiving static loads, an enclosure surrounding the core member, connecting means for joining the core member to the enclosure such that a hollow chamber is formed between the core member and the enclosure, said connecting means providing a low heat conductivity to effect a low heat flux from the enclosure to the core member, adsorbent material received in the hollow chamber and having heat absorbing and hydrophilic properties, and spring means for securing the adsorbent material in place in a force-locking manner within the hollow chamber.

A fire resistant frame structure for a facade or glass roof, comprising a first structural element;

• and a second structural element connectable to the first structural element to form a support construction and so positioned relative to the first structural element as to form bays for receiving a fire-proof glasswork, each of said first and second structural elements being made of aluminum and comprised of a supporting core member for receiving static loads, said core member including on both sides thereof an anchoring arm which is formed with a longitudinal prismatic edge region and has a plurality of punched holes, an enclosure surrounding the core member and having a receiving groove for engagement by the edge region of the core member, connecting means for joining the core member to the enclosure such that a hollow chamber is formed between the core member and the enclosure, said connecting means providing a low heat conductivity to effect a low heat flux from the enclosure to the core member, and adsorbent material received in the hollow chamber and having heat absorbing and hydrophilic properties.

A fire resistant frame structure for a facade or glass roof, comprising a first structural element;

• and a second structural element connectable to the first structural element to form a support construction and so positioned relative to the first structural element as to form bays for receiving a fire-proof glasswork, each of said first and second structural elements being made of aluminum and comprised of a supporting core member for receiving static loads, an enclosure surrounding the core member, connecting means for joining the core member to the enclosure such that a hollow chamber is formed between the core member and the enclosure, said connecting means providing a low heat conductivity to effect a low heat flux from the enclosure to the core member, and adsorbent material received in the hollow chamber and having heat absorbing and hydrophilic properties, wherein the core member and the enclosure are formed with grooves for receiving a strip selected from the group consisting of metal strip and connection strip of poorly heat-conducting plastic material, said strip being formed with trapezoidal end pieces secured through interlocking engagement by flanges projecting toward one another from the core member and the enclosure.