Fire Resistant Steel Structure
AssigneeArcelormittal Investigacion Y Desarrollo, S.L.
InventorsLouis-Guy Cajot, Riccardo Zanon
Life of this patent
Estimating the term…
Abstract
A fire resistant steel structure (10) comprises a steel beam (14) for receiving a vertical load and a support structure for supporting the horizontal beam (14) at two horizontally spaced locations. At least one fire-resistant tension member (30) has its ends (32, 32′) anchored outside the steel beam (14) in the support structure. It is arranged relative to the steel beam (14) in such a way that when the steel beam (14) is overheated and yields under the vertical load in case of severe fire conditions, it rests on the at least one fire-resistant tension member (30) and is vertically supported by the latter.
Claims26
1-20. (canceled)
A fire resistant steel structure comprising:
- a steel beam for receiving a vertical load;
- a support structure for supporting said horizontal beam at two horizontally spaced locations;
- and
- at least one fire-resistant tension member having its ends anchored outside said steel beam in said support structure and being arranged in relation to said steel beam in such a way that when said steel beam is overheated and yields under said vertical load in case of severe fire conditions, said overheated beam rests on said at least one fire-resistant tension member and is vertically supported by the latter, wherein said at least one fire-resistant tension member is designed in such a way as to be able to take essentially all of the load of said steel beam.
A fire resistant steel structure comprising:
- a steel beam for receiving a vertical load;
- a support structure for supporting said horizontal beam at two horizontally spaced locations;
- at least one fire-resistant tension member having its ends anchored outside said steel beam in said support structure and extending along said steel beam;
- and
- at least one intermediate support member arranged on said steel beam in such a way that said overheated steel beam rests via said at least one intermediate support member on said at least one fire-resistant tension member and is vertically supported by the latter, when said steel beam is overheated and yields under said vertical load in case of severe fire conditions.
A fire resistant steel structure comprising:
- a double-T shaped steel beam for receiving a vertical load, said double-T shaped steel beam having an upper flange, a lower flange and a web connecting said upper flange to said lower flange;
- a support structure for supporting said beam at two horizontally spaced locations;
- on each side of said web, at least one fire-resistant tension member anchored in said support structure and extending along said web between said upper flange and said lower flange;
- and
- intermediate support members arranged on said steel beam, symmetrically in relation to said web, in such a way that said overheated steel beam rests via said intermediate support members on said fire-resistant tension members and is vertically supported by the latter symmetrically in relation to said web, when said steel beam is overheated and yields under said vertical load in case of severe fire conditions.
A fire resistant steel-concrete floor structure comprising:
- a concrete slab;
- a support structure for said concrete slab including at least one steel beam;
- and
- at least one fire-resistant tension member having its ends anchored outside said steel beam in said slab and being arranged relative to said steel beam in such a way that when said steel beam is overheated and yields under its load in case of severe fire conditions, said overheated beam rests on said at least one fire-resistant tension member and is vertically supported by the latter, said at least one fire-resistant tension member being designed in such a way as to be able to take essentially all of the load of said beam.
Dependencies are inferred from the claim text.