How many strands will be required to make the pre-stressing

Reference no: EM131068492

Design a post-tensioned simply supported beam with a span of 25 m that supports a characteristic load of 15 kN/m (excluding self-weight). Select one of the standard I sections. Use Magnel diagram for calculating the pre-stressing force and its eccentricity required at the mid-span. Use fck = 50 MPa, ftt = 0, fct = 20 MPa, fts = 0, fcs = 15 MPa, short-term losses 10%, and long-term losses 20%. Assuming that the pre-stressing strands are made of 7 wires with 8 mm diameter with the tensile strength of 1860 MPa, calculate how many strands will be required to make the pre-stressing cable.

Reference no: EM131068492

Questions Cloud

What were the trial court findings in miranda : What factors do you believe the trial court took into consideration when they decided Miranda? Did the Connecticut Supreme Court uphold the trial court's decision?

Explain your monthly master budget and the items included : Explain your monthly master budget and the items included in it, and compare these planned items against what you spent on them last month.

To sell a piece of raw land in alaska : Keith Vaughn is trying to sell a piece of raw land in Alaska. Yesterday, he received two offers. Sally Youngblood offered Keith $10,000 in cash, payable on signing the deed. Billy Budd offered him $11,424, payable one year after signing the deed.

Create a rough budget based on what you believe the costs : In a 1-2 page Word document, use your Amani restaurant business form to create a rough budget based on what you believe the costs and expected revenues should be for the business.

How many strands will be required to make the pre-stressing : how many strands will be required to make the pre-stressing cable.

Estimate of the yearly cost difference : Is it a good idea to switch from 20 to 30 weeks? Make an estimate of the yearly cost difference

Affirmative action programs are misguided : Do you think affirmative action programs are misguided, or are they justifiable and socially beneficial? Which side of the comparable-worth issue are you on?

Explain how different countries differ widely : The author tries to explain how different countries differ widely when it comes to accounting systems because they have rules which differ from one country to the other and this brings the whole difference.

Market expectation of firm constant future growth rate : A firm's stock currently sells for $57.27. The firm just paid a dividend $4.68. If the required rate of return on the firm's stock is 13.9%. what is the market's expectation of the firm's constant future growth rate?

User Account

All Pages