5.28 Table P5.28 shows the grain size distributions of two aggregates A and B.TABLE P5.28SieveSize, mm251912.59.5 4.750 2.361.18 0.600 0.300 0.150 0.075% Passing 100Agg. A927671533832171053.0% Passing 100Agg. B100926537313029282115.4Answer the following questions and show all calculations:a. What are the maximum sizes of aggregates A and B?b. Is aggregate A well graded? Why?c. Is aggregate B well graded? Why?Note: In order to answer questions b and c, you need to plot the gradations on0.45 gradation charts. You may create 0.45 power gradation charts using Excelor you may manually plot the data on a copy of Figure A.25.Determine the percent passing each sieve for the blended aggregate.

The grain size analysis is prominently used in the classification of soils. The data is obtained…

Answered: 5.28 Table P5.28 shows the grain size…

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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Choose one answer 1.target mean strength fm (mpa) 1. 28.12 2. 33.12 3. 40.12 4. 25.12 2.w/c ratio 1. 0.58 2. 0.61 3. 0.51 4. 0.48 3 .the free water content is (kg/m3) 1. 180 2. 205 3. 190 4 .160 4.total aggregate content is (kg/m3) 1. 1889.7 2. 1869.7 3. 1899.7 4. 1879.7 5.the coarse aggregate is (kg.m3) 1. 1150.51 2. 1170.51 3. 1130.51 4. 1190.51
Depending on the grain size distribution curve D60 = 0.1 , D30 = 0.05 , D10 = 0.01 ,then calculate the uniformity coefficient .
Q.7(a) Complex forming agents can be used to determine hardness of water how? Explain with the help of following points. (i) Principle (ii) Chemical reactions (iii) Structure (iv) Calculations. (b) Calculate the quantity of lime and soda required for softening one million litre of the following sample of water. If the purities of lime and soda are 80% and 85% respectively. The impurities are Silica = 75 mg/lit. MgCl2 = 19 mg/lit. MgSO4 = 30 mg/lit. CaSO4 = 68 mg/lit. MgCO3 = 884 mg/lit. CaCO3 = 120 mg/lit. (c) Discuss different chemical methods which have been used for the synthesis of nanomaterial with special reference to temperature and solvent along with their advantages and disadvantages.
and what is the value of P in lbs
Tension specimens (diameter d0 0.500 in., gage length L0 2.00 in.) made of structural materials A and B are tested to failure in tension. (a) At failure the distances between the gage marks are LAf 2.90 in. and LBf 2.22 in.; the corresponding diameters at the failure cross sections are dAf 0.263 in. and dBf 0.471 in., respectively. Determine the percent elongation in 2 in. and the percent reduction in area for these two materials, and classify each material as either brittle or ductile. (b) From these tensile tests the following data are also obtained: EA 10.0 103 ksi, (Y)A 5 ksi, (U)A 13 ksi; EB 10.4 103 ksi, (Y)B 73 ksi, (U)B 83 ksi. From the data given here, make rough sketches (to scale) of the stress-strain diagrams of materials A and B.
Solve the following: Computation in a Papera. A sample of granule formed a height of cone of 7 cm with a diameter of 14.5 cm.Compute for the ANGLE OF REPOSE then describe the flow property of the sample.b. A sample of powder was made to low from a funnel, a powder cone of 12 mm from thesurface was made as well as spread of 4 cm. Determine the ANGLE PF REPOSE.c. Given the following data:Weight of Sx: 120 gramsInitial Volume: 100 mLFinal Volume: 80 mLCompute for the bulk and tapped density and describe the powder’s compressibilityproperty.d. The following data is for Sodium Bicarbonate powders:Weight of the Sx = 60 gramsInitial Volume = 45 mLFinal Volume = 36 mLDensity = 0.5454 g/mLCompute for the following:Bulk DensityTapped DensityCompressibility IndexHausner’s Ratio
determine the effective specific gravity of aggregates. DATA: Specific Gravity: Fine Agg = 2.603 Coarse Agg = 2.740 Asphalt Cement = 1.048 Percent By Weight: Fine Agg = 47.90 Coarse Agg= 47.78 Asphalt Cement= 100-FA-CA
Solve the following:a. A sample of granule formed a height of cone of 7 cm with a diameter of 14.5 cm. Compute for the ANGLE OF REPOSE then describe the flow property of the sample.b. A sample of powder was made to low from a funnel, a powder cone of 12 mm from the surface was made as well as spread of 4 cm. Determine the ANGLE PF REPOSE.c. Given the following data:Weight of Sx: 120 gramsInitial Volume: 100 mLFinal Volume: 80 mLCompute for the bulk and tapped density and describe the powder’s compressibility property.d. The following data is for Sodium Bicarbonate powders:Weight of the Sx = 60 gramsInitial Volume = 45 mLFinal Volume = 36 mLDensity = 0.5454 g/mLCompute for the following:Bulk DensityTapped DensityCompressibility IndexHausner’s Ratio
During a tensile test on a specimen the following results were obtained: Load (kN) 15 30 40 50 55 60 65 Extension (mm) 0.05 0.094 0.127 0.157 1.778 2.79 3.81 Load (kN) 70 75 80 82 80 70 Extension (mm) 5.08 7.62 12.7 16.0 19.05 22.9 Diameter of gauge length - 19 mm Gauge length = 100 mm Diameter at fracture = 16.49 mm Gauge length at fracture = 121 mm Plot the complete load extension graph and the straight line portion to an enlarged scale. Hence determine: (a) the modulus of elasticity; (d) the nominal stress at fracture; (b) the percentage elongation; (e) the actual stress at fracture; (c) the percentage reduction in area; (f) the tensile strength. !116 GN/m2; 21%; 24.7%; 247 MN/m2; 328 MN/m2; 289 MN/m2.] 1.10 Figure 1.24 shows a special spanner used to tighten screwed components. A torque is applied at the tommybar and is transmitted to the pins which engage into holes located into the end of a screwed component. (a) Using the data given in Fig. 1.24 calculate: (i) the diameter D of…
SURFACE MOISTURE OF FINE AND COARSE AGGREGATE Pycnometer or Flash Method make up computation, make one Mass of specimen (S) Mass of pycnometer + water (C) Mass of pycnometer + water + specimen (W) Mass of displaced water (V) Specific Gravity, G 2.86 D = S/G % surface moisture
Sample 2: Mass with empty mold M1 Mass of soil and mold M2 Hydraulic Head h Time interval t Volume V 145 g 250 g 950 mm 0.34 min 0.0046 L 145 g 260 g 900 mm 0.33 min 0.0049 L 145 g 228 g 922 mm 0.30 min 0.0051 L 145 g 281 g 915 mm 0.29 min 0.0044 L 145 g 219 g 908 mm 0.39 min 0.0042 L The diameter of the mold = 2.5 cm, Length of the sample = 0.3 m can u pls Find the permeability coefficient Mass of the soil Bulk Density Dry Density thank you Void Ratio
A sample of coarse aggregate is placed in a bucket of know volume (0.5 ft^3) and rodded with a tamping rod to determine its unit weight. The empty weight of the bucket is 20.3 lb. The weight of the bucket filled with dry aggregate was: Trial 1: 69.6 lbTrial 2: 68.2 lbTrial 3: 71.6 lbTrial 4: 70.8 lbTrial 5: 72.0 lb Based on the provided data determine the (i) average, standard deviation and coefficient of variance of the dry rodded unit weight; (ii) % voids of the aggregate sample if Gs = 2.620

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