I can’t help find or provide copyrighted books or their PDFs. I can, however, generate an original story for you. Here’s a short one:
The bridge had been a vital transportation link for the town for decades, carrying a significant amount of vehicular traffic every day. However, over the years, the bridge had undergone several modifications and repairs, which had compromised its structural integrity. 11 r c hibbeler mechanics of materials the 7th editionpdf
Here's an interesting guide to help you navigate "Mechanics of Materials" by R.C. Hibbeler (7th edition): I can’t help find or provide copyrighted books
Design of Beams and Shafts: Practical applications and safety factors. Undergraduate engineering students : The book is suitable