Back4.1.8.17.(8)

ATTRIBUTION:

Functional Statement:

F20

To support and withstand expected loads and forces.

F22

To limit movement under expected loads and forces.

Objective:

OS2.4

 

APPLICATION:

Design of connections of elements and components listed in Table 4.1.8.17. to the structure, for earthquake design.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A and to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] that are required to be designed in accordance with the requirements of Part 4.

INTENT:

To limit the probability that the connections will not be designed to transfer the attachment forces, Vp, and the gravity loads arising from the components they support, which could lead to failure of the connection, which could lead to components of the building falling or sliding, which could lead to harm to persons.

ATTRIBUTION:

Functional Statement:

F20

To support and withstand expected loads and forces.

F22

To limit movement under expected loads and forces.

Objective:

OP2.3, OP2.4

 

APPLICATION:

Design of connections of elements and components listed in Table 4.1.8.17. to the structure, for earthquake design.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A and to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] that are required to be designed in accordance with the requirements of Part 4.

INTENT:

To limit the probability that the connections will not be designed to transfer the attachment forces, Vp, and the gravity loads arising from the components they support, which could lead to failure of the connection, which could lead to:
  • components of the building falling or sliding, which could lead to damage to the building, or
  • damage to and functional failure of a component's system, which could impede the intended use and occupancy of the building.

ATTRIBUTION:

Functional Statement:

F20

To support and withstand expected loads and forces.

F22

To limit movement under expected loads and forces.

Objective:

OS2.4

 

APPLICATION:

Friction due to gravity loads, with respect to the earthquake design of connections of elements and components listed in Table 4.1.8.17. to the structure.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A and to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] that are required to be designed in accordance with the requirements of Part 4.

INTENT:

To limit the probability that friction due to gravity loads will be considered to provide resistance to seismic forces, which could lead to rocking and twisting of the component about its vertical axis, which could lead to components of the building falling or sliding, which could lead to harm to persons.

ATTRIBUTION:

Functional Statement:

F20

To support and withstand expected loads and forces.

F22

To limit movement under expected loads and forces.

Objective:

OP2.3, OP2.4

 

APPLICATION:

Friction due to gravity loads, with respect to the earthquake design of connections of elements and components listed in Table 4.1.8.17. to the structure.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A and to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] that are required to be designed in accordance with the requirements of Part 4.

INTENT:

To limit the probability that friction due to gravity loads will be considered to provide resistance to seismic forces, which could lead to rocking and twisting of the component about its vertical axis, which could lead to:
  • components of the building falling or sliding, which could lead to damage to the building, or
  • damage to and functional failure of a component's system, which could impede the intended use and occupancy of the building.

ATTRIBUTION:

Functional Statement:

F20

To support and withstand expected loads and forces.

F22

To limit movement under expected loads and forces.

Objective:

OS2.4

 

APPLICATION:

Element or component response modification factor for non-ductile connections and for anchorage using shallow expansion, chemical, epoxy or cast-in-place anchors, to be used in the design of connections for earthquake.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A and to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] that are required to be designed in accordance with the requirements of Part 4.

INTENT:

To limit the probability that the component response modification factor will not reflect the limited ductility of such connections, which could lead to failure of the connections, which could lead to components of the building falling or sliding, which could lead to harm to persons.

ATTRIBUTION:

Functional Statement:

F20

To support and withstand expected loads and forces.

F22

To limit movement under expected loads and forces.

Objective:

OP2.3, OP2.4

 

APPLICATION:

Element or component response modification factor for non-ductile connections and for anchorage using shallow expansion, chemical, epoxy or cast-in-place anchors, to be used in the design of connections for earthquake.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A and to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] that are required to be designed in accordance with the requirements of Part 4.

INTENT:

To limit the probability that the component response modification factor will not reflect the limited ductility of such connections, which could lead to failure of the connections, which could lead to:
  • components of the building falling or sliding, which could lead to damage to the building, or
  • damage to and functional failure of a component's system, which could impede the intended use and occupancy of the building.

ATTRIBUTION:

Functional Statement:

F20

To support and withstand expected loads and forces.

F22

To limit movement under expected loads and forces.

Objective:

OS2.4

 

APPLICATION:

Power-actuated fasteners and drop-in anchors, used for the tension bond connection of elements and components in buildings.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A and to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] that are required to be designed in accordance with the requirements of Part 4.

INTENT:

To limit the probability that connections will not be able to withstand the cyclic tensile loading imposed by seismic response, which could lead to failure of the connections, which could lead to components of the building falling or sliding, which could lead to harm to persons.

ATTRIBUTION:

Functional Statement:

F20

To support and withstand expected loads and forces.

F22

To limit movement under expected loads and forces.

Objective:

OP2.3, OP2.4

 

APPLICATION:

Power-actuated fasteners and drop-in anchors, used for the tension bond connection of elements and components in buildings.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A and to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] that are required to be designed in accordance with the requirements of Part 4.

INTENT:

To limit the probability that connections will not be able to withstand the cyclic tensile loading imposed by seismic response, which could lead to failure of the connections, which could lead to:
  • components of the building falling or sliding, which could lead to damage to the building, or
  • damage to and functional failure of a component's system, which could impede the intended use and occupancy of the building.

ATTRIBUTION:

Functional Statement:

F20

To support and withstand expected loads and forces.

F22

To limit movement under expected loads and forces.

Objective:

OS2.4

 

APPLICATION:

Element or component factors, element or component response modification factors, and element or component force amplification factors, to be used in the design of connections for earthquake for all non-structural walls and appendages attached to the sides of buildings and above the first level above grade.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A and to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] that are required to be designed in accordance with the requirements of Part 4.

INTENT:

To limit the probability that the connection design force will not reflect the significant risk to life safety associated with such components becoming dislodged or falling off the side of a building, which could lead to harm to persons.

ATTRIBUTION:

Functional Statement:

F20

To support and withstand expected loads and forces.

F22

To limit movement under expected loads and forces.

Objective:

OP2.3, OP2.4

 

APPLICATION:

Element or component factors, element or component response modification factors, and element or component force amplification factors, to be used in the design of connections for earthquake for all non-structural walls and appendages attached to the sides of buildings and above the first level above grade.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A and to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] that are required to be designed in accordance with the requirements of Part 4.

INTENT:

To limit the probability that the connection design force will not reflect the significant risk to life safety associated with such components becoming dislodged or falling off the side of a building, which could lead to:
  • components of the building falling or sliding, which could lead to damage to the building, or
  • damage to and functional failure of a component's system, which could impede the intended use and occupancy of the building.

ATTRIBUTION:

Most technical provisions of the BC Fire Code describe how the code’s objectives and functional statements are achieved. However, some provisions, like this one, do not relate directly to a code objective. The following analysis is provided to assist in understanding of the provision.

 

APPLICATION:

Ductile connections for all non-structural walls and appendages attached to the sides of buildings and above the first level above grade.
This applies to buildings described in Sentence 1.3.3.2.(1) of Division A and to buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9] that are required to be designed in accordance with the requirements of Part 4.

INTENT:

To clarify the definition of “ductile connection” referred to in Clause 4.1.8.17.(8)(e).