http://rdf.ncbi.nlm.nih.gov/pubchem/patent/AU-2011202916-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2c55af2efb880df0108ef16e6db6e72b |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2111-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02W30-91 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2111-0062 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B28-14 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B32B3-02 |
| filingDate | 2011-06-17^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_00c8fa53325d848df4a4a0b4359917ff http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_615a53ff0aaefb350c0b1ae36d881435 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1f4003c6458b0a124cf330c007314c00 |
| publicationDate | 2011-07-07^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | AU-2011202916-A1 |
| titleOfInvention | Non-combustible reinforced cementitious lightweight panels and metal frame system for a fire wall and other fire resistive assemblies |
| abstract | The present invention relates to a non-combustible fire-wall system for construction located in a building structure as a fire resistive building assembly comprising: a first shear diaphragm comprising a first plurality of reinforced, lightweight, dimensionally stable cementitious panels;a first light gauge cold formed metal framing comprising cold formed metal framing elements; and a second diaphragm comprising a second plurality of panels selected from the group consisting of Type X fire rated gypsum wallboard panels and reinforced, lightweight, dimensionally stable cementitious panels, each of the panels of the second plurality having an opposed first side and second side; a second framing, the second framing comprising studs between the first diaphragm and the second diaphragm; and break away fasteners; the cementitious panels of the first and second diaphragm having a density of 65 to 90 pounds per cubic foot and capable of resisting shear loads when fastened to the first framing and comprising a continuous phase resulting from the curing of an aqueous mixture comprising water and optional superplasticizer and, on a dry basis, 49 to 68 weight % a blend of reactive powder, 23 to 36.1 weight % lightweight filler particles comprising uniformly distributed ceramic microspheres, and 5 to 20 weight % alkali-resistant glass fibers, the continuous phase being uniformly reinforced with the alkali-resistant glass fibers, wherein the glass fibers are monofilaments having a diameter of about 5 to 25 microns (micrometers) and a length of about 0.25 to 3 inches (6.3 to 76 mm),the lightweight filler particles having a particle specific gravity of from 0.02 to 1.00 and an average particle size of about 10 to 500 microns (micrometers), wherein the reactive powders comprise: 45 to 75 wt. % calcium sulfate alpha hemihydrate, 20 to 40 wt % Portland cement, 0.2 to 3.5 wt. % lime, and 5 to 25 wt. % of an active pozzolan comprising silica fume, wherein, the system is a fire wall and a load bearing shear wall for carrying shear load and axial load when exposed to fire, and wherein, the structural cement panels of the first diaphragm have opposed first and second sides, and are fastened on the first metal framing the first side of the structural panels of the first diaphragm supported on the first metal framing; wherein each of a plurality of the break away fasteners are attached to both the second side of the structural panels of the first diaphragm and to a said stud of the second frame; wherein each panel of the second plurality of panels of the second diaphragm has an opposed first wall and a second wall, the first wall of the panels of the second diaphragm being opposed to the second wall of panels of the first diaphragm, wherein the panels of the second diaphragm are attached to the studs of the second framing such that the first wall of the panels of the second diaphragm opposes the studs; the first diaphragm being between the first metal framing and the second diaphragm, and the break away fasteners being between the first diaphragm and the second diaphragm; wherein the cementitious panels of the first and second diaphragm have a thickness of about 3/8 to 1 1/2 inches, and wherein, the structural cement panels of the first diaphragm have opposed first and second sides, and are fastened on the first metal framing with metal screws with winged drillers, the winged drillers are located above the point and below the threads of the screw and protruding laterally from a shaft of the screw, the first side of the structural panels of the first diaphragm supported on the first metal framing. 270 |
| priorityDate | 2005-01-27^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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