###A series of saturated and unsaturated triaxial tests were conducted on a sand-clay mixture. Results are...

###A series of saturated and unsaturated triaxial tests were conducted on a sand-clay mixture. Results are shown in table below. Assume that the cohesion is zero and determine the internal friction angle , effective stress parameters at different values of suction and determine the air entry value
****Problem 4 A newly drilled well in a carbonate reservoir indicates a gross payzone thickness of 150 feet. The foot by foot porosity values vary all the way from .04 to 0.16. If we assume that porosity cut off is .07, 20% of porosity values are less than .07. The average porosity of values is 0.13. The average water saturation is 33%. The PVT analysis indicates API gravity of 35 with solution gas oil ratio of 800. Due to the highly heterogeneous nature of the reser- voir, the areal extent of the reservoir can be anywhere between 40 to 160 acres. Using Arps' and API methods, calculate the minimum and the

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venereology answered 2 years ago

A series of consolidated, undrained triaxial tests were carried out on specimens of a saturated clay...

A series of consolidated, undrained triaxial tests were carried out on specimens of a saturated clay under no back pressure. The test data at failure are summarized: Confining pressure kPa Deviator stress kPa Pore water pressure kpa 150 192 80 300 341 154 450 504 222 Draw the mohr circles and find the cohesion and friction angle in terms of effective stresses. Compute Skempton’s A-Parameter at failure for all three specimens Is the soil normally consolidated or overconsolidated? Why? Another...

Two triaxial tests are performed on a clay. At failure, the results are: Test 1: σ3...

Two triaxial tests are performed on a clay. At failure, the results are: Test 1: σ3 = 30 kPa, P = 0.45 kN, A = 0.01 m2, u = 10 kPa Test 2: σ3 = 60 kPa, P = 0.70 kN, A = 0.01 m2, u = 20 kPa Find σ1, σ3, σ'1, and σ'3 at failure for both tests. Draw the effective stress Mohr's circle for both tests and draw the Mohr-Coulomb failure envelope for the clay. What are...

The results of two drained traxial tests on a saturated clay follows Specimen I ?3 =...

The results of two drained traxial tests on a saturated clay follows Specimen I ?3 = 115 kN/m² , (Δ?? )? = 230 kN/m² Specimen II ?3 = 220 kN/m² , (Δ?? )? = 410 kN/m² Determine the shear strength parameters.

#3 Sand and clay studies were conducted at a site in California. Twelve consecutive depths, each...

#3 Sand and clay studies were conducted at a site in California. Twelve consecutive depths, each about 15 cm deep, were studied and the following percentages of sand in the soil were recorded. 29.6 30.3 26.2 30.0 26.9 28.9 26.5 27.5 27.8 29.5 29.3 23.8 Convert this sequence of numbers to a sequence of symbols A and B, where A indicates a value above the median and B denotes a value below the median. Test the sequence for randomness...

QUESTION 5 (25 marks) A consolidated drained triaxial test was conducted on a normally consolidated clay....

QUESTION 5 A consolidated drained triaxial test was conducted on a normally consolidated clay. Following are the results of the test: • Cell or Chamber pressure = 130 kN/m2 • Deviator stress at failure = 230 kN/m2 a) Determine the consolidated drained friction angle b) What is the pore water pressure developed in the clay specimen at failure? c) What is the angle θ that the failure plane makes with minor principal stress? d) Determine the normal stress and shear...

Q.3) USE ONLY GRAPHICAL METHOD: A consolidated-drained triaxial test was conducted on a normally consolidated clay...

Q.3) USE ONLY GRAPHICAL METHOD: A consolidated-drained triaxial test was conducted on a normally consolidated clay with a chamber pressure, σ3 = 172 kN/m2 . The deviator stress at failure, (Δσd)f = 227 kN/m2 . Determine (12 points): a. The angle of friction, φ' b. The angle θ that the failure plane makes with the major principal plane c. The normal stress, σf', and the shear stress, τf, on the failure plane

1. What is the IMViC series of tests? How are the results interpreted? 2. TSI tests...

1. What is the IMViC series of tests? How are the results interpreted? 2. TSI tests for fermentation of several sugars. Is it possible to differentiate between which sugars are fermented? 3. What is a selective media? 4. What is a differential media?

In a study conducted of proctored and non- proctored algebra tests, researches obtained the following results:...

In a study conducted of proctored and non- proctored algebra tests, researches obtained the following results: Proctored: n=30, x=74.30, s= 12.87 Non Proctored: n=32, x= 74.26, s= 18.15 Use 0.01 to test the claim that students taking non proctored tests get a higher mean that those taking proctored tests.

During construction, field tests were conducted to assess the suitability of the column to withstand a...

During construction, field tests were conducted to assess the suitability of the column to withstand a safe buckling load of 2.5 kN assuming a factor of safety 4 using two different hollow columns made up of steel and concrete. Both columns have same cross section but varying length and different support conditions. Steel column of length 3 m having external diameter 40 mm was tested with one end fixed and the other end hinged, when subjected to a compressive stress...

A safety administration conducted crash tests of child booster seats for cars. Listed below are results...

A safety administration conducted crash tests of child booster seats for cars. Listed below are results from those tests, with the measurements given in hic (standard head injury condition units). The safety requirement is that the hic measurement should be less than 1000 hic. Use a 0.01 significance level to test the claim that the sample is from a population with a mean less than 1000 hic. Do the results suggest that all of the child booster seats meet the...

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