EBK FOUNDATION DESIGN
3rd Edition
ISBN: 9780100663039
Author: YEUNG
Publisher: YUZU
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Textbook Question
Chapter 5, Problem 5.14QPP
A sandy soil has 0.03 percent sulfates. Evaluate the potential for sulfate attack of concrete exposed to this soil and recommend preventive design measures, if needed.
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Chapter 5 Solutions
EBK FOUNDATION DESIGN
Ch. 5 - The second paragraph of this chapter argues that a...Ch. 5 - Why would the AASHTO separate structural dead...Ch. 5 - A proposed column has the following design loads:...Ch. 5 - Prob. 5.4QPPCh. 5 - A proposed column has the following design...Ch. 5 - Prob. 5.6QPPCh. 5 - A certain foundation will experience a bearing...Ch. 5 - A bridge foundation has a nominal load capacity of...Ch. 5 - A steel pile foundation with a cross-sectional...Ch. 5 - A timber pile 400 mm in diameter is subjected to...
Ch. 5 - A seven-story steel-frame office building will...Ch. 5 - A two-story reinforced concrete art museum is to...Ch. 5 - A 40ft60ft one-story agricultural storage building...Ch. 5 - A sandy soil has 0.03 percent sulfates. Evaluate...Ch. 5 - A certain clayey soil contains 0.30 percent...Ch. 5 - A series of 50 ft long steel piles are to be...Ch. 5 - Prob. 5.17QPPCh. 5 - Prob. 5.18QPPCh. 5 - Prob. 5.19QPPCh. 5 - Prob. 5.20QPPCh. 5 - You are designing a pedestrian bridge to cross a...
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- Define Use sulfate-resisting cementarrow_forwardThe construction company is going to undertake a concrete jacketing retrofitting work for a pedestrian bridge located in a busy street at the middle of town. The retrofitting work should be completed immediately so as not to disturb the road traffic without compromising the strength of concrete. Choose and explain the suitable type of cement to suit with the construction purposearrow_forward1. You are planning to build a three story above ground building with a basement parking garage below ground. The bottom of your slab/foundation will be 17 ft below existing grade. You plan to keep the ground water level in the excavation 3.0 ft below the bottom of the foundation for approximately 3 months. The water table is 11 ft below existing grade. The soil is uniform mediumsand down to a depth of approximately 50 ft. The soil below 50 ft is an impervious clay. Your excavation will be 320 ft x 150 ft. You have determined that a 4 ft wide x 3 ft deep sump around the perimeter of your excavation will provide adequate dewatering capacity. Based on test wells on site, you determined that the medium sand has a k value of .058 ft/min and that the D factor is 50 ft. a. Calculate the flow rate, q b. Calculate the total volume (V) of water that will need to be pumped in gallons per minute (GPM) If q and V are calculated in Question 1 and found to be 143.93 ft3/min and 1076.60 GPM…arrow_forward
- Describe the procedure for combining soil reinforcement with plastic fibre in the road subgrade.arrow_forwardA footing (F1) has dimensions 1.2m x 1.2m x 0.3m. How many bags of cement shall be used for 10 pieces of F1? Use class “C” concrete and 40kg/bag of cement.arrow_forwardA blended cement concrete with 30% slag is used to place a 6 foot tall column in a single pour. The temperature of the concrete is 70 degrees. Will it be within the formworks design limits of 1000 psf? A blended cement concrete with 45% fly ash is used to place a 9 foot tall column in a single pour at 50 degrees. Will it be within the formwork design limits of 2100 psf?arrow_forward
- Please show complete solution with FBD.arrow_forwardDiscuss the problem of disposal of waste water from ready-mixed concrete oper-ations. State three alternate methods that can be used to alleviate this problem.arrow_forwardGiven the image, a.) determine the number of bags of cement required to construct the wall footing using class A. b.) A 7m will be constructed, determine the total bags of cement required if the wall is 4.2m high and the CHB used are 5". Use class C mixture.arrow_forward
- Describe, in detail, why frack-wells fail so frequently. This has to do with the cement annulus. What is the purpose of the cement annulus and describe what happens when the cement annulus cracks. How can this negatively impact ground water quality?arrow_forwardWhat type of cement would you use in each of the following cases? Why?a. Construction of a large pierb. Construction in cold weatherc. Construction in a warm climate region such as the Phoenix aread. Concrete structure without any specific exposure conditione. Building foundation in a soil with severe sulfate exposurearrow_forwardWHAT IS THE NSCP MODULUS RUPTURE FORMULA?arrow_forward
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