Erratum

In the article “Optimum design of a composite floor system considering environmental and economic impacts”, DOI number https://doi.org/10.1590/S1983-41952022000300002, published in IBRACON Structures and Materials Journal ISSN 1983-4195, v.15, n.3, e 15302, 2022, on page 1-17:

3. RESULTS AND DISCUSSIONS

Where it reads:

Table 1
CO₂ emission of materials

Material	Unit	CO2 emissions	Reference	Material	Unit	CO2 emissions	Reference
		(kgCO2)				(kgCO2)
Concrete 20 MPa	m3	130.68	Santoro and Kripka [12]	Steel deck	kg	26.38	Worldsteel Association [31]
Concrete 25 MPa	m3	139.88		Steel profile	kg	11.16
Concrete 30 MPa	m3	148.28		Studbolt shear connector
Concrete 35 MPa	m3	162.36		Reinforcing steel mesh	kg	19.24
Concrete 40 MPa	m3	172.77		Steel CA50, ø 8 mm, reinforcement bar
Concrete 45 MPa	m3	185.32
Concrete 50 MPa	m3	216.40

It should be read:

Table 1
CO₂ emission of materials

Material	Unit	CO2 emissions	Reference	Material	Unit	CO2 emissions	Reference
		(kgCO2)				(kgCO2)
Concrete 20 MPa	m3	130.68	Santoro and Kripka [12]	Steel deck	kg	2.638	Worldsteel Association [31]
Concrete 25 MPa	m3	139.88		Steel profile	kg	1.116
Concrete 30 MPa	m3	148.28		Studbolt shear connector
Concrete 35 MPa	m3	162.36		Reinforcing steel mesh	kg	1.924
Concrete 40 MPa	m3	172.77		Steel CA50, ø 8 mm, reinforcement bar
Concrete 45 MPa	m3	185.32
Concrete 50 MPa	m3	216.40

Publication Dates

• Publication in this collection
  28 Feb 2022
• Date of issue
  2022