. Principles and practice of plumbing . 100 pounds per foot for 1/2the heights of. middle and bottom stages. One-half thewind load is used because one bent is being considered. 2 shows the stress diagram and, as it is drawn to scale,the force resulting may be measured directly from it. 3 is a plan-view of 1 and shows the wind blowing inthe plane of one bent. This being the case the axis of rota-tion will be through xx and posts r and s will take com-pression, while posts 0 and p will take tension. The amountof the compression in post 0 has been found from the dia-gram to be 39600 pounds. The u
. Principles and practice of plumbing . 100 pounds per foot for 1/2the heights of. middle and bottom stages. One-half thewind load is used because one bent is being considered. 2 shows the stress diagram and, as it is drawn to scale,the force resulting may be measured directly from it. 3 is a plan-view of 1 and shows the wind blowing inthe plane of one bent. This being the case the axis of rota-tion will be through xx and posts r and s will take com-pression, while posts 0 and p will take tension. The amountof the compression in post 0 has been found from the dia-gram to be 39600 pounds. The uplift or tension in theanchor bolt at the foot of post p will be a like amount. Sup- Digitized by Microsoft® 330 Principles and Practice of Plumbing pose, however, we consider the wind blowing in some otherdirection and determine which is the worst case for windloading. 4 shows the same plan-view with the wind blowing ina diagonal direction, as indicated by arrow. The axis ofrotation will be through xx, and this being the case post r. 3700 Scale Ilrv40ft:I Scale liaHOOOO Fig. 151Diagram of Wind Pressures
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Keywords: ., bookcentury1900, bookdecade1920, bookidcu3192402142, bookyear1922
