What is method or procedure for making 1 hour and 2 hour fire rating walls?
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What is method or procedure for making 1 hour and 2 hour fire rating walls?
AdityaBhandakkar
Values for fire-resisting walls are provided in ACI 216.1-07 ratings in between 1 to 4 hours. Please go through it for details.
ACI 216.1 -07 describes rating for 1hour, 1.5 hours, 2 hours, 4 hours.
You can also refer IS 3089:1979 for values of fire-resisting for a different structure and dimensions.
Komal Bhandakkar
Making of 1hr and 2hr firing wall:
This is one of the most popular questions.
Basically, building codes typically require that the structure is wall roof floor, the roof is fire-resistant.
The standards set forth by the International Building Code (IBC). fire resistant Wallis designed for a definite time period.
According to ‘Commercial drafting and detailing book’, a one of our fire rated wall consists 2 x 4 studs spaced 16 inches from the centre of one stud to the centre of the next.
Madeh Izat Hamakareem
According to ACI 216.1-07 (Code Requirements for Determining Fire Resistance of Concrete and Masonry Construction Assemblies), the thickness of plain and reinforced concrete bearing or nonbearing walls required to provide fire-resistance ratings of 1 to 4 hours, shall comply with the minimum equivalent thickness values provided in Table below:
Table 1 fire resistance rating of single layer concrete walls
Aggregate
type Minimum equivalent thickness for fire-resistance rating, in.
1 hour 1.5 hours 2 hours 4 hours 4 hours
Siliceous 3.5 4.3 5 6.2 7
Carbonate 3.2 4 4.6 5.7 6.6
Semi lightweight 2.7 3.3 3.8 4.6 5.4
Lightweight 2.5 3.1 3.6 4.4 5.1
sanjaylimbasia
Dear Madeh
Greetings. Thanks for your reply. Kindly also let me know if i have to make fire rating wall with
solid or hollow blocks what is procedure.
Regards
Sanjay Limbasia
Madeh Izat Hamakareem
Dear Sanjay Limbasia
Chapter 3 of ACI 216.1-07 (Code Requirements for Determining Fire Resistance of Concrete and Masonry Construction Assemblies) provides adequate data and procedure regarding to request.
Best Regards