Practice Exam 1

Practice Exam 1 - Louisiana State University CM3400 (Spring...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Louisiana State University CM3400 (Spring 2008) Practice Exam 1 1 A single letter-size formula sheet is allowed. Problem 1 ( 20 points ) Calculate the change in length of a 100-ft long steel bridge girder that is exposed to a temperature range of -25 to 110°F (Esteel = 30 x 10 6 psi, and α = 0.0000065 in/in o F). If this bridge is supported by a 65-ft steel cable that experiences a total deformation of 0.33in, calculate the stress in this cable.
Background image of page 1

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

View Full DocumentRight Arrow Icon
Louisiana State University CM3400 (Spring 2008) Practice Exam 1 2 Problem 2 ( 30 points ) If a sieve analysis test was conducted on an aggregate source and resulted in the following data: Sieve size (in) Weight retained (g) 3 1.62 2 2.17 1.5 3.62 ¾ 2.27 3/8 1.38 pan 0.21 Calculate the percentage passing for each sieve and sketch the general shape of the gradation curve for this aggregate source.
Background image of page 2
Louisiana State University CM3400 (Spring 2008) Practice Exam 1 3 Problem 3 ( 40 points ) a) An asphalt binder is tested to determine its grade at high temperature. Results are
Background image of page 3

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

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

Practice Exam 1 - Louisiana State University CM3400 (Spring...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online