Table 9 The specific load calculation of each joint.
Item | Value |
|---|---|
Standard requirements (Sr) | 5000 N/m2 |
Horizontal span (Hm) | 18,601 mm |
Nominal width (Nw) | 1000 mm |
The length of the upper chord of the lower horizontal section (Lul) | 3691 mm |
The total load on the lower horizontal section (Ttl = Sr*Lul*Nw) | 18,455 N |
Number of joints on the upper chord of the lower horizontal section (Njl) | 12 |
The concentrated force of joints on the upper chord of the lower horizontal section (Fjl = Ttl/Njl) | 1537.92 N |
The length of the upper chord of the upper horizontal section (Luu) | 5609 mm |
The total load on the upper horizontal section (Ttu = Sr*Luu*Nw) | 28,045 N |
Number of joints on the upper chord of the upper horizontal section (Nju) | 18 |
The concentrated force of joints on the upper chord of the upper horizontal section (Fju = Ttu/Nju) | 1558.06 N |
The horizontal projection length of the upper chord of the inclined section (Lui = Hm-Lul-Luu) | 9301 mm |
The total load on the inclined section (Tti = Sr*Lui*Nw) | 46505 N |
Number of joints on the upper chord of the inclined section (Nji) | 32 |
The concentrated force of joints on the upper chord of the inclined section (Fji = Tti/Nji) | 1453.28 N |
