Question

You are warking as an assistant to yaur cousin, who is an architect. S far a new luxury hatel. The labby wl indude a walkway suspended above the main level. Her design will include the following features. Above the walkway, attached at various points along its length, will be vertical steel cables of diameter 1.27 cm and unstressed length 5.95 m. These cables will run upw rd from the walkway and be attached to a r id bear in the internal structure of the lobby. Below each point of attachment of a vertical cable will be an al walkway is installed, the columns will extend 3.25 m from the flcor of the lobby to the height at which the bottom af the walkway will lie. Suppose the walkway and any individuals walking an it exert a downward force of magnitude F-9,200 N on a particular attachment point to a cable ฮ bove ฮnd the corresponding column below. Before committing to this design, your cousin asks you to determine how far the po nt of attachment of the walkway will ove downward under these load cond itions. She is currenty designing the lobby uminum column on which the walkway rests. Each column is a hollow cylinder of Inner diameter 16.04 cm and outer diameter 16.18 cm. Before the

Answer 1

Given lhat vu are aohin as an assistaot -+o youwCusto coho is an aichiteet. she s curety designin the lobly fov a nec luxuy hotel.The obby oill Tncde a ccalb -the main Level ssaspedd abae Epiven F= 9,200 N Tnne diamete le outcu diametwニ 16-18 Colums cil Exteno - 3-25 Crm Coe knou -that Cross Seonal area steel aabl Scanned with CamScanner CS

Column 一(o.oa6432J =1(0.000 112) the cabl = 5-95 length he Alcabl- 3 25cm Now aungs moduls DAL ALsFL Ay 4,200X5.95 CS Scanned with CamScanner

53 2.00 Nolo, The Coble undev poce (F) 90oN Then Ns = 2.161 nm Aluminium foice undu oce F: 92ooN ALAH920oX3.R5 9o0 Scanned with CamScanner