7. . Find the grain-size (gradation) distribution of the following: a. Original dry mass of sample 600 g b. The sample was then washed and graded. The weigh retained in each sieve is provided below. i. Retained in No. 16 (1.18 mm) ii. Retained in No. 100 (150 μm) iii. Retained in No. 200 (75 μm) iv. Retained in Pan C. How would you classify this aggregate? Please select one from the list below and justify your answer a.- Open graded 305.3 g 127.9g 76.4g 3.8g b.- Well graded c.- Gap graded

7. . Find the grain-size (gradation) distribution of the following: a. Original dry mass of sample 600 g b. The sample was then washed and graded. The weigh retained in each sieve is provided below. i. Retained in No. 16 (1.18 mm) ii. Retained in No. 100 (150 μm) iii. Retained in No. 200 (75 μm) iv. Retained in Pan C. How would you classify this aggregate? Please select one from the list below and justify your answer a.- Open graded 305.3 g 127.9g 76.4g 3.8g b.- Well graded c.- Gap graded

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The following data were collected from a 0.4-in.-diameter test specimen of polyvinyl chloride (l0 5 2.0 in.): Load (lb) 0 Δl (in.) 0.00000 300 600 900 1200 1500 1660 1600 0.00746 0.01496 0.02374 0.032 0.046 0.070 (maximum load) 0.094 1420 0.12 (fracture) After fracture, the total length was 2.09 in. and the diameter was 0.393 in. Plot the engineering stress strain curve and calculate (a) the 0.2% offset yield strength; (b) the tensile strength; (c) the modulus of elasticity; (d) the % elongation; (e) the % reduction in area; (f) the engineering stress at fracture; and (g) the modulus of resilience.
Please answer correctly. Please I need this ASAP. thank you Note: The tolerance is ± 1 in the third significant digit
During a tensile test on a specimen the following results were obtainedload(KN) 15 30 40 50 55 60 65 70 75 80 82 80 70extension(mm) 0.05 0.094 0.127 0.157 1.778 2.79 3.81 5.08 7.62 12.7 16 19.05 22.9diameter of gauge length=19mmdiameter at fracture=16.49mmgauge length=100mmgauge lengthat fracture=121mmplot the complete load extension graph and the straight line portion to an enlarged scale .hence determinethe modulus of elasticitythe percentage elongationthe percentage reduction in areathe nominal stress at fracturethe actual stress at fracturethe tensile strength
4-33. Following are results of gradation tests on three aggregates: Aggregate A 100% 92% 41% 19% 7% 4% 2% 1% Passing 25 mm (1 in.) 19 mm (3/4 in.) 9.5 mm (3/8 in.) 4.75 mm (No. 4) 2.36 mm (No. 8) 600 μm (No. 30) 300 μm (No. 50) 75 μm (No. 200) Aggregate B 100% 77% 60% 42% 36% 28% Aggregate C 100% 96% 79% 40% 16% 3% Combine these to give a gradation falling approximately in the center of the specification given in Section 4-5.1.
Sieve analysis of a sample of fine aggregate resulted in the following data No. Sieve number 4 8 16 30 50 100 Sieve opening (mm) 4.75 2.36 1.18 0.6 0.3 0.15 Weight retained (g) 13 75 120 126 105 61 A) The total weight of the sample, assuming no mass loss during the analysis, is______ (g) a) 505; b) 500; c) 550 B) The half sieve used in the experiment is________. a) No.8; b) No.50; c) none of the above C) The fineness modulus of the aggregate________. a) 6.13; b) 3.16; c) 1.36 D) The average size of the aggregate___________. a) No.30; b) No.4; c) No.16
Calculate the fineness modulus, when required, by adding the total percentages of material in the sample that is coarser than each of the following sieves (cumulative percentages retained), and dividing the sum by 100: 150-μm (No.100), 300-μm (No. 50), 600-μm (No. 30), 1.18-mm (No. 16), 2.36-mm (No. 8), 4.75-mm (No. 4), 9.5-mm (3⁄8-in.), 19.0-mm (3⁄4-in.), 37.5-mm (11⁄2-in.), and larger, increasing in the ratio of 2 to 1.
I 1. Determine the apparent specific gravity (G.), dry bulk specific gravity (Gs(OD)), SSD bulk specific gravity (Gt(ssD) and absorption capacity of a fine aggregate sample using the following data: Weight of sample in dry condition: 485 g • Weight of sample in SSD condition: 505 g • Weight of pycnometer with the sample and water: 1015 g Weight of pycnometer with water: 700 g
Q4/ A. Explain why ceramic materials do not response to the plastic deformation processes? Also clarify why flexural test is applied to ceramics instead of tensile test? B. Estimate whether a cylindrical aluminum oxide sample will fail or not when it subject to flexural test to achieve flexural strength of 390 MPa knowing that the sample radius is 2.5 mm, separation distance is 30 mm, and the applied load is 620 N respectively.
The following are the results in the test for specific gravity of fine aggregates:Mass of Oven-dried specimen in air = 502gMass of Pycnometer filled with water, to calibration mark = 640gMass of Saturated Surface Dry Specimen = 510gMass of Pycnometer filled with specimen and water to calibration mark = 950gCalculate the absorption, apparent specific gravity, bulk specific gravity in SSD condition, and bulk specific gravity in OD condition
1. Using the following data, determine the percentage retained, cumulative percentage retained, and percentage passing for each sieve. Plot the gradation curve. Determine the effective size and uniformity coefficient if appropriate. Determine the fineness modulus and check ASTM C33 gradation requirements. а. Sieve Size Weight Retained (8) 736 (in.) 3 2 984 1 1642 1030 625 Pan 96 b. Weight Retained (g) Sieve Size No. 4 59.5 No. 8 86.5 No. 16 138.0 No. 30 127.8 No. 50 97.0 No. 100 66.8 Pan 6.3 N -IN MI4 m/∞
7:50 ul LTE O A docs.google.com Choose the correct answer * During the tensile test, experiment on a sample of mild steel, data represented in the figure below was obtained with an initial diameter (do) of 0.505 inch. At failure, the reduced diameter (d) of the sample was 0.305 inch. Gauge Length (Lo) is 2 inches and final Gauge Length (L,) is 2.625 inches. Answer the questions below: Us 70 Tk LyP IR 50- FL PL ptiel linit AL or 6T P EL lastie lii UP per yied paint Lypi Lewer s us t uni mated streagth IR: Indicatul siregh Rupture TR True strugth Ruple fPL (propartimal timt) Direct strain & to to E strmin Cin/in) a b 1. Mild steel is: (a) brittle materials (b) ductile material (c) between the ductile and the brittle 2. Young's Modulus evaluates elasticity within the region from: (а) 0 - Proportional Limit. (b) Proportional Limit - Lower yield Point. (c) Lower
A copper specimen subjected to the Brinell Hardness Test using hardened steel ball indenter of diameter 13 mm and the indentation diameter 3.78 mm is measured using an optical magnifying lens with a ruler. Draw the Brinell Hardness Test setup neatly and determine the force applied on the specimen. Take Brinell Hardness Number for copper as 1037. Surface Area of Indentation (in mm2) = Applied Force (in N) =