![]() That effectively reduces the length of the rafter as a beam carrying load. However, under loads the rafter tends to sag and this puts the tie into compression. The writer gives these collar ties a function of tension in case of uplift. Here is an explanation that I don't agree with. I agree with JAE's three options as stated in his post above.īA RE: Collar + Rafter Ties Roof Framing - No Load Bearing walls needed, right? msquared48 (Structural) 21 Apr 20 09:02 The type of wood would not change the fact that a 2圆 cannot span 26'. It is quite possible that the existing roof could support the existing ceiling by means of wire or wood hangers, but this would rely on competent nailing and splicing of the bottom ties (ceiling joists), which may or may not be the case. I do not know the type of wood the rafter ties/ceiling joists are made from-perhaps I can look for a marking.I believe you are correct in the two comments highlighted in yellow. The spanned length is somewhere around 25'. ![]() I'm fairly confident it's not needed except possibly to support the ceiling drywall and plaster. There is an interior wall but believe it is non-load bearing and in-place to provide space for more kitchen cabinets, refrigerator, and oven. This feedback is private to you and won’t be shared publicly.They are 2*6 joists. Mark contributions as unhelpful if you find them irrelevant or not valuable to the article. This is particularly important in high-rise structures or regions prone to earthquakes. They resist horizontal forces, such as wind or seismic loads, and help prevent excessive swaying or tilting of the building. Lateral Stability: Tie beams contribute to the lateral stability of a structure.Tie beams can help minimize this differential settlement by providing additional support and distributing loads more uniformly. Prevention of Differential Settlement: In areas with varying soil conditions, buildings may experience differential settlement, where one part of the structure settles more than another.They serve as a connecting element between different parts of the structure, ensuring that the loads are transmitted efficiently to the ground. Load Distribution: Concrete tie beams help distribute the loads from the superstructure (walls, columns, etc.) evenly to the foundation.By resisting tensile forces and providing a continuous connection between elements, tie beams strengthen the structure and reduce the risk of deformation or failure. Enhanced Structural Integrity: The incorporation of tie beams contributes to the overall structural integrity of a building.Tie beams can help equalize loads and reduce the risk of differential settlement. This occurs when different parts of a structure settle at different rates, leading to uneven stresses and potential structural issues. ![]()
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