Principles of Geotechnical Engineering (MindTap Course List)
Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN: 9781305970939
Author: Braja M. Das, Khaled Sobhan
Publisher: Cengage Learning
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Chapter 15, Problem 15.16P
To determine

Find the maximum depth of cut to ensure a factor of safety of 3.0 against sliding.

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Name: Course: Mechanics of Deformable Bodies Investigation and Design of Axially Loaded Structural Members Date: Term: A. Objective 1. To be able to determine internal axial load on structural members 2. To be able to design structural members with axial internal reactions B. General Instruction 1. Write your solution legibly in separate sheets of clean bond paper. 2. Box your final answer in your solution. C. Situation A truss structure is an assembly of straight structural members that form triangular panels. The assembly of triangular panels makes the truss establish a rigid configuration. In a truss structure, connections are theoretically assumed to act as smooth pin; therefore, it does not resist any moment or bending. Due to this magnificent behavior, truss members only resist axial forces in the design phase that could either be compressive or tensile. Presented in the figure is a truss that is a component of a roof framing system to be constructed at the University Lucena City…
1- A two-lane highway (two 3.6 m lanes) has a posted speed limit of 100 km/h and, on one section, has both horizontal and vertical curves, as shown in the figure below. A recent daytime crash (driver traveling westbound and striking a stationary roadway object) resulted in a fatality and a lawsuit alleging that the 100 km/h posted speed limit is an unsafe speed for the curves in question and was a major cause of the crash. Evaluate and comment on the roadway design (after Mannering and Washburn). Plan view (horizontal alignment) PC Station 4+90 Profile view (vertical alignment) e = 8.0% 100 m Sight obstruction 50° G₁ = -2.0% PVC Station 4+30 T PVI PVT Station 6+80 PT N Station 10+00 G₂ = +4.0%
Existing Filter Design Parameters at 22.5 MGD: A) # of Filters: 5 B) #Bays per Filter: 1 C) Bay Surface Dimensions (L X W X D): (40.5 ft. X 13 ft. X 11.5 ft.) D) Surface Area per Filter: 526.5 ft^2 E) Total Filtration Area: 2,633 ft^2 F) Hydraulic Loading Rate: 6 gpm/sf (w/ all filters in service) G) Filtration Capacity at HLR: 22.7 MGD H) Filter Media: 1) Anthracite: 20 in. depth, 1.00 mm Effective Size 2) Sand: 9 in. depth, 0.50 mm Effective Size 1) L/d Ratio (depth of media/effective size): 965 J) Backwash Pumps: 15 MGD (two pumps) K) Backwash water for the filters is provided from the high service pump station through a 24-inch backwash water L) Air Wash Blowers: 1) Number: 2 Hoffman Centrifugal Model 38406A, 125 hp 2) Capacity: 3,100 scfm (standard cubic ft/^2) 3) Air Scour Rate: 5.90 scfm/ft^2 Deliverables: 1) Determine if the existing filtration system is sufficient to accommodate the projected future capacity. A) Current Capacity: 22.5 MGD B) Future Capacity: 34.5 MGD for…
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