When the vertical support of a warehouse building with a mezzanine floor is inside the building Along the foundation serves to support the external building walls. will result in the building structure and the external building walls are seamless for supporting vertical loads This will cause the limits of vertical deflection as follows:
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- Roof beams and floor support beams must have deflection behavior that is compatible with the joints for vertical movement to support the external building walls.
- The floor support beams must have a deflection behavior that is compatible with the detailing between the wall and floor materials.
- The supporting members of the roof and floor must have a deflection behavior that is compatible with the ceiling and exterior walls of the building.
Since the vertical support method mentioned above is suitable for use in buildings with one or two heights without considering our shortening, however, expansion may be required. due to temperature changes into consideration which must have details of joints as joints for isolation (isolation joint) between the internal partitions and the external building walls.
But what is more important is The horizontal deflection of the building frame and its effect on the external wall must be taken into account if the support is made according to the first method (external wall support on the foundation by occupying the building frame to form a joint for strength Stability and lateral load). In general, the movement of the building frame is divided into 2 types, namely
- Displacement perpendicular to the plane of the external building wall.
- Displacement parallel to the plane of the exterior wall
It is important to consider the horizontal deflection of the frame as it varies with the track supports. side of the exterior wall whether it is a determinate or an indeterminate But if the exterior building walls have Just making a single tieback connection with the roof. perpendicular to the plane of the external building wall will be
- A few things to consider in case of metal pa systems
- Moderate considerations for tilt-up concrete walls and full height precast systems.
- What are the main considerations for a masonry wall system?
For a steel structure building system in a warehouse with mezzanine floor There will be limitations on the behavior of various joints around the building corners, which in the case of movement in the direction perpendicular to the building. The wall will be pulled against the structure, requiring cuts at the corners of the building to allow the wall panels to move. Which is generally flexible to move. The lateral displacement limit of the wall when corner cutting allows the designer to apply the lateral displacement limit of height divided by 60 to height divided by 100 considering the wind speed over the 10 year retrospective period.
metal panel support
Normally, the metal wall panel system uses a cross beam as a support position placed at intervals upwards along the building frame from the base to the eaves. The spacing of the crossbars will be considered as part of the wall work as well as specifying the height and location of the opening load acting on the wall Features of the wall paneling system and properties of the cross beard frame itself
For the design of cross-beam structures and wind-bearing columns used to support metal wall panels. The deflection limit is limited to the span length divided by 120 for wind speeds with a 10 year return period. Having documents certified by a reliable institution can use the design wind power unit according to Ministerial Regulation No. 6, Clause 17, which specifies the minimum wind power unit according to the height of the building.
The frame supports the exterior walls of the building on the columns. (frame-supported cladding at columns)
Method 2 for making support points for external building walls (Exterior building wall system consisting of Prefabricated walls with dimensions equal to the width between the main structures) is sometimes applied to buildings such as external building walls with a width of panels equal to the distance between columns and hills. In this case, the building frame will be subjected to loads. Act both vertically and horizontally from the exterior building wall. But the support point is confined to the column or the area very close to the column. The support point will be divided into 2 points, which is the support point that must bear the vertical load. and side force and a support point that accepts only lateral forces These support points must be detailed so that they do not slide or allow yield under horizontal loads in the plane of the panel. Consider splicing for horizontal shear stability. where the relative motion of the point Supports are considered to be the most important in making this type of support.
Vertical displacement is based on the absolute and relative increase or decrease in pole length due to lateral shift This vertical displacement will affect the efficiency of the splice. For sealing leaks around the outside of the wall panel. This displacement should be limited to no more than 0.6 cm (1/4 in.) considering wind speeds with a 10-year return period, or half the design load. In addition, another issue to consider is torque. First of all, torque must be limited to a value of than the movement of the joints and second The twist must be limited to a value that does not exceed the displacement between the plates. walls of adjacent floors The joints of the wall panels, which are the most important locations, must be Coated with a waterproof sealant, the relative displacement between the slopes causes shear forces in the vertical and horizontal intersections. of waterproof sealant This is different from twisting which is a consideration for joint design and fabrication. seam details The limit of movement between steps is equal to the height of the slope divided by 500 when considering the wind speed in the 10-year retrospective period.
