Timber & steel framing manual - Internal lintel supporting roof

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Country:

Building Type:

Wind:

Vdes(serv.) = 28m/s Vdes(ult.) = 50m/s

Height to top of roof (3m to 18m)

Region

Terrain Category

Shielding

Topographic Multiplier

In Shadow or Outer zone?

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Snow

DESIGN DETAILS

Roof Use

Span

The member length measured from the centre of its left support to the centre of its right support

Maximise

Joist spacing

Span of the trusses/rafters to their supporting member

Add Precamber

Height of wall above lintel

Roof Slope

degrees

Roof

Please select your roof compostion here. Note that SpanMan automatically calculates the weight the roof structure and adds it to the roof weight. For details of weights refer to ABOUT > Technical.
Additional dead loads can also be added in the CRITERIA screen.

Roof Ceiling

Please select your ceiling compostion here. For details of weights refer to ABOUT > Technical

H1 Wall

Please select your wall compostion here. Note that SpanMan automatically calculates the weight of wall studs and adds it to the wall weight. For details of weights refer to ABOUT > Technical.
Additional dead loads can also be added in the CRITERIA screen.

Design Material

Pick 'List all suitable timber and steel sections' to design across all timber and steel sections. Alternatively design in a specific timber or steel material type. Press DESIGN to obtain sizes.

design Criteria

Dead Load Deflection		Live Load Deflection
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Dead load maximum	mm	Live load maximum	mm
Dead load span on		Live load span on
Wind Load Deflection
Wind load span on
Imposed Loads		Additional Point Loads
Additional dead load kPa Dead load in addition to the loads you have specified in the previous screen. The additional dead load depends on the floor use you selected. It include items such as wall partitions and services. Please modify this value if you wish. A list of default additional dead loads in defined in ABOUT > Technical Live load main span kPa The imposed uniformly distributed live load in the main span. This is set by the floor use you selected in the previous screen and cannot be modified. Loads are calculated in accordance with Table 3.1 of AS/NZS 1170.1:2002. Live load overhang kPa The imposed uniformly distributed live load on the overhang. This is set by the floor use you selected in the previous screen and cannot be modified. Loads are calculated in accordance with Table 3.1 of AS/NZS 1170.1:2002. Live load point load kN The imposed point live load that can occur anywhere on the span or the overhang. This is set by the floor use you selected in the previous screen and cannot be modified. Loads are calculated in accordance with Table 3.1 of AS/NZS 1170.1:2002.		Distance mm Dead load kN Live load kN Wind Up Serviceability kN Wind Down Ultimate kN Wind Up Ultimate kN
Distance Between Lateral Restraints
Top mm
Bottom mm

Help

Description	You must enter a description
What is the load?	SpanMan increase member sizes in accordance with Australian Codes if the member supports brittle loads. If the manual load is one of the types in the drop down box, please selecet this type or leave the setting at Standard Material if the load is not brittle. You must enter a brittleness
Weight	kg/m2 You must enter a valid load between 1 and 10000

Internal Lintel Supporting Roof

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DESIGN DETAILS