Reference no: EM13108163 , Length: 8 Pages
1. You are working for urs on a building project in dearborn, michigan. You are responsible for the design of the building foundations.
3. Clay given the following consolidation test results (see fig. 3) on a 1 in. Thick representative sample of the clay in a fixed ring consolidometer.
Fig. 3 consolidation test results at a vertical effective stress of 1.5 tsf.
determine the coefficient of consolidation (c )
3a. What is the drainage distance in the test:____________
3b. What is the dimensionless time factor tv:_____________
3c. What is the time to reach 50% consolidation in the lab test:
1. 10.6 minutes 2. 5.3 minutes
3. 2.65 minutes 4. none of the above
3d. Calculate the coefficient of consolidation
4. For the soil and foundation conditions in fig. 1, determine the time required to reach 75% consolidation in the clay given the consolidation test results in fig. 3.
4a. The thickness of the clay layer in fig. 1 is:___________________
4b. Determine the excess pore water pressure at the top of the clay layer caused by the building stress
4c. Determine the excess pore water pressure at the bottom of the clay layer caused by the building stress
4d. Determine the ratio of the excess pore pressure at the top and bottom of the clay layer α:
4e. What is the dimensionless time factor tv at 75%
consolidation:_____________
source:____________
4f. Calculate the time to reach 75% consolidation
5a. Calculate the vertical effective stress in element "a" prior to construction
5b. Calculate the horizontal effective stress in element "a" prior to construction
5c. If the net bearing pressure is 3.92 k/ft2, calculate the vertical effective stress in element "a" the end of building construction. Use fig 9.7 in text.
5d. What is the horizontal effective stress at element "a" at the end of building is construction?
5e. Construct the before and after mohr circles of state of stress at element "a" on a mohr diagram. Use a separate piece of paper.
5f. Determine the effective normal stress and the effective shear stress on the potential failure plane in element "a" in fig.3.
5g. If the cohesion in the sand is 0 and the effective friction angle in the sand is 35o, is the strength of the sand exceeded at element a? Show your analysis on your constructed mohr diagram.
|
Create frequency table for number of novels read
: Teacher asked each of her students how many novels they had read in previous six months. Results are shown below. Create the frequency table for the number of novels read.
|
|
Does it show the consequences of their sin
: Why is it difficult to preach about the Old Testament persons, like Abraham, who sinned? Does the Old Testament show that they sinned?" Does it show the consequences of their sin? Are you applying modern western values to your definition of "sin?"
|
|
How many zeroes will he need
: A certain street has 1000 buildings. A sign-maker is contracted to number the houses from 1 to 1000. How many zeroes will he need?
|
|
What are some of the assumptions commonly
: What are some of the assumptions commonly held about the Old Testament? Explain why the Old Testament is foundational to the Christian worldview.
|
|
Calculate the coefficient of consolidation
: For the soil and foundation conditions in fig. 1, determine the time required to reach 75% consolidation in the clay given the consolidation test results and determine the coefficient of consolidation
|
|
Forecasting the quarterly sales
: A two year sales history by quarter for a seasonal product is given below. Using Winter's method, forecast the quarterly sales for the third year.
|
|
Determine cities having higher income using p-value method
: At α =0.05, can it be concluded that families who live in cities have higher income than those who live in rural areas? Utilize P-value method.
|
|
Determine probability of all three selected are cpas
: To increase membership. Determine the probability of all three selected are CPAs? Illustrate the proper way to compute probabilty?
|
|
Analyze the workplace culture
: Analyze the workplace culture to determine its impact on the ability of Congress to do its job well. Provide specific examples to support your response.
|