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BS 476-21: Fire Resistance Test to Building Material – Loadbearing elements_Ecosafene <!-reload-!>
BS 476-21: Fire Resistance Test to Building Material – Loadbearing elements
Ecosafene Products Service Co.,Ltd have rich experience to provide BS 476-21 fire resistance test to Building Material
BS 476-21 Fire Resistance Test to Building Material – Standard
BS476-21: Fire test on building materials and structures-Part 21: Method for Determination of the fire resistance of load bearing elements of construction
BS 476-21 Fire Resistance Test to Building Material – Standard Brief
BS 476-21 has been prepared under the direction of the Fire Standards Committee, and describes the procedures for determining the fire resistance of loadbearing elements of building construction. This Part should be read in conjunction with BS 476-20 which describes the general principles for these methods.
This Part of BS 476 describes procedures for determining the fire resistance of loadbearing
elements of building construction when subjected to the heating and pressure conditions specified in BS 476-20. This Part provides requirements for specimen selection and/or its design and construction, loading and restraint conditions, equipment, procedures and criteria as they apply to loadbearing specimens. The methods are applicable to beams, columns, floors, flat roofs and walls
Methods for determining the fire resistance of loadbearing elements that have a finite fire resistance and of components that make a contribution to the fire resistance of a structure are described in BS 476-21 and 23 respectively. The general changes made to the methods described in this Part compared with BS 476-8 are described in the foreword to BS 476-20.
BS 476-21 Fire Resistance Test to Building Material –Products
- Insulated material（calcium silicate board, mineral wool board, glass wool board, etc）
- Light（Down light, LED light, LED Ceiling light , etc）
BS 476-21 Fire Resistance Test to Building Material – Relative Standard
- BS 476：Fire tests on building materials and structures
- BS 476-3：Fire tests on building materials and structures. Classification and method of test for external fire exposure to roofs
- BS 476-4：Fire tests on building materials and structures - Part 4: Non-combustibility test for materials
- BS 476-5：Fire Tests on Building Materials and Structures Part 5: Method of Test for Ignitability
- BS 476-6：Fire tests on building materials and structures — Part 6: Method of test for firepropagation for products
- BS 476-7：Fire Tests on Building Materials and Structures Part 7: Method of Test to Determine the Classification of the Surface Spread of Flame of Products
- BS 476-11：Fire tests on building materials and structures — Part 11: Method for assessing the heat emission from building materials
- BS 476-12：Fire tests on building materials and structures — Part 12: Method of test for ignitability of products by direct flame impingement
- BS 476-13：Fire Tests on Building Materials and Structures Part 13: Method of Measuring the Ignitability of Products Subjected to Thermal Irradiance
- BS 476-15：Fire Tests on Building Materials and Structures Part 15: Method of Measuring the Rate of Heat Release of Products
- BS 476-20：Fire Tests on Building Materials and Structures Part 20: Method for Determination of the Fire Resistance of Elements of Construction (General Principles)
- BS 476-21：Fire Tests on Building Materials and Structures Part 21: Methods for Determination of the Fire Resistance of Load bearing Elements of Construction
- BS 476-22：Fire Tests on Building Materials and Structures Part 22: Methods for etermination of the Fire Resistance of Non- Load bearing Elements of onstruction
- BS 476-23：Fire Tests on Building Materials and Structures Part 23: Methods for Determination of the Contribution of Components to the Fire Resistance of Structure
- BS 476-24：Fire Tests on Building Materials and Structures Part 24: Method for Determination of the Fire Resistance of Ventilation Ducts
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