01-02ChapGere.0024

# 01-02ChapGere.0024 - A-PDF Split DEMO Purchase from...

This preview shows pages 1–2. Sign up to view the full content.

Solution 1.8-10 Tubular post with guy cables SECTION 1.8 Design for Axial Loads and Direct Shear 55 d 2 5 outer diameter d 1 5 inner diameter t 5 wall thickness 5 15mm T 5 tensile force in a cable 5 110 kN ± allow 5 35MPa A REA OF POST 5 p t ( d 2 2 t ) E QUATE AREAS AND SOLVE FOR d 2 : S UBSTITUTE NUMERICAL VALUES : ( d 2 ) min 5 131 mm d 2 5 2 T cos 30 8 p t s allow 1 t 2 T cos 30 8 s allow 5 p t ( d 2 2 t ) A 5 p 4 ( d 2 2 2 d 1 2 ) 5 p 4 [ d 2 2 2 ( d 2 2 2 t ) 2 ] 30 ° 30 ° TT P d 2 P 5 compressive force in post 5 2 T cos 30 8 R EQUIRED AREA OF POST A 5 P s allow 5 2 T cos 30 8 s allow Problem 1.8-11 A cage for transporting workers and supplies on a construction site is hoisted by a crane (see figure). The floor of the cage is rectangular with dimensions 6 ft by 8 ft. Each of the four lifting cables is attached to a corner of the cage and is 13 ft long. The weight of the cage and its contents is limited by regulations to 9600 lb. Determine the required cross-sectional area A C of a cable if the breaking stress of a cable is 91 ksi and a factor of safety of 3.5 with

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 2

01-02ChapGere.0024 - A-PDF Split DEMO Purchase from...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online