Steel Beam Supporting Cavity Wall Detail

The steel beam is hung from the rolled steel angle rsa with a side plate welded onto it.

Steel beam supporting cavity wall detail.

The minimum end bearing length at supports to be 100mm. In these cases they were packed with oak timbers struts to spread the floor loads correctly across the rsj steel beams. If you install one large steel that picks up a double skin wall you should also install a cavity tray above it. Walls that face driven rain are particularly vulnerable to water penetration.

Steel beam end bearings to be located on substantial load bearing masonry walls or piers. This is important because the bricks need to be tied back cross bonded into the inner leaf of gable end cavity wall. If any area shown as void contains a staircase add 2m 2 to the effective area supported by any beam which supports partially or fully that staircase. The spacers are at a minimum of 750crs along the length of the beam including close to the support.

Note that the wind post is formed from remains of the existing load bearing wall. The designer is to ensure that the proposed detail adequately ensures that the end of the beam is laterally restrained. Plan area of bonded masonry supporting steel beam to be greater than or equal to 0 1m. Above the rsj steel beam we dry pack the small gaps up to the first floor support with a semi dry strong 2 1 cement mixture this is compacted into the gaps between the beam and the first floors.

M16 bolts fix the beam back to the side plates. 2 end of beam fixed to a masonry wall. Steel beam calculations accepted by building control. Cavity walls are common in houses built from the 1920 s onwards typically when making an opening in a cavity wall two steel beams are used with separate steel beams supporting the inner and outer leaves.

I regularly specify double pfc s for existing new cavity walls but i always specify steel spacers formed with angle one side of which is welded to 1 pfc and the other side is bolted to the other with a minimum of 2 no m16 bolts. Some of the beams were supporting existing timber floors. Ends of beams can be laterally restrained using one of the following methods. T able of c ontents c hapter 1 m asonry c avity w all d etails s hear c onnected c hapter 2 m asonry c avity w all d etails a djustable t ies c hapter 3 b rick v eneered s teed s tud b ackup w all d etails s hear c onnected c hapter 4 b rick v eneered s teel s tud b ackup w all d etails s lotted t ies c hapter 5 s ingle w ythe l oadbearing m asonry w all d etails c hapter 6 m.

Supporting masonry to comply with eurocode 6 or bs 5628. Cavity walls consist of 2 skins of masonry separated by a gap cavity. Openings in cavity walls. Table 4 size of steel beam supporting floor.

1 end of beam built into masonry wall. 6 if steel beam to steel beam connections are required use appendix 6 5 c.