Three types of aggregate have sieve analysis as given below. Combine these types of aggregate to meet with specification and draw the specification limits with combined mix on semi-log chart below. Sieve Specif. Agg. A Agg. B Agg. C Percent Passing % % (in) 100 100 100 100 ½ (in) 80-100 77 100 100 3/8 (in) No.4 70-90 45-65 57 22 94 81 100 100 No.8 No.30 No.50 33-47 18-29 13-23 2.8 1.1 0 66 49 36 100 100 98 Seive opening (mm) No. 100 8-16 0 24 93 No.200 6-10 0 12 80

Three types of aggregate have sieve analysis as given below. Combine these types of aggregate to meet with specification and draw the specification limits with combined mix on semi-log chart below. Sieve Specif. Agg. A Agg. B Agg. C Percent Passing % % (in) 100 100 100 100 ½ (in) 80-100 77 100 100 3/8 (in) No.4 70-90 45-65 57 22 94 81 100 100 No.8 No.30 No.50 33-47 18-29 13-23 2.8 1.1 0 66 49 36 100 100 98 Seive opening (mm) No. 100 8-16 0 24 93 No.200 6-10 0 12 80

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Please
Sieve 1. A 500gram sample of fine aggregates was sieved. Determine FM 3/8" #4 #8 # 16 # 30 # 50 # 100 Pan Amount Retained on (gr) 0 40 70 105 115 125 30 15 Amount Retained on (%) % Cumulative Retained on
Use the following data:Oven Dry weight - 4.98 kgWeight under water - 3.02 kgSSD Weight - 5.07 kg1. Determine the apparent specific gravity of the coarse aggregates.2.Determine the bulk specific gravity SSD of the coarse aggregates3.Determine the bulk specific gravity (Dry) of the coarse aggregates4.
Samples of coarse aggregate from a stockpile are brought to the laboratory for determination of specific gravities and absorption. The following masses were obtained.Mass of moist aggregate = 3,500 gramsMass of oven-dried aggregate = 3,420 gramsMass of aggregates submerged in water = 1,800 gramsMass of SSD aggregate = 3,430 gramsDetermine;a) bulk dry specific gravityb) bulk SSD specific gravityc) apparent specific gravityd) moisture content of stockpile aggregate, in percente) absorption, in percentf) free moisture
What is the weight of coarse aggregates in kilograms needed for the design mix? Use three decimal places for the volume of coarse aggregates (from interpolation) Use two decimal places for the computed weight of coarse aggregates
Three aggregates are to be mixed together in the following ratio:Aggregate A: 35%Aggregate B: 40%Aggregate C: 25%For each aggregate, the percent passing a set of five sieves is shown in Table PDetermine the percent passing each sieve for the blended aggregate.
(c) Table 1 shows the mass of fine aggregates used to conduct a specific gravity test. Calculate the; i) Dry bulk specific gravity ii) SSD bulk specific gravity i) Apparent specific gravity iv) Aggregate absorption. Table 1 Mass of Aggregate 600 g SSD Mass of Aggregate 589 g Mass of pycnometer with water 710 g Mass of pycnometer with water and aggregate 1090 g Mass of aggregate at cool temperature 498 g
The result of specific gravity test is given below Weight of saturated aggregate in water =618gm Weight of oven dry sample = 982 gm Weight of saturated surface dry aggregate = 990 gm O Caleulate the specific gravity of aggregate? (ii) calculate the apparent specific gravity of aggregate.
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.
Sample of coarse aggregate from a stockpile are brought to the laboratory for determination of specific gravities and absorption. The following masses were obtained.Mass of moist aggregate = 5,982 gramsMass of oven-dried aggregate = 5,892 gramsMass of aggregates submerged in water = 4,082 gramsMass of SSD aggregate = 5,897 gramsDetermine;a) apparent specific gravityb) bulk dry specific gravityc) bulk SSD specific gravityd) absorption, in percente) moisture content of stockpile aggregate, in percentf) free moisture
Laboratory specific gravity and absorption tests are run on two coarse aggre-gate sizes, which have to be blended. The results are as follows: Aggregate A: Bulk specific gravity = 2.814; absorption = 0.4,Aggregate B: Bulk specific gravity = 2.441; absorption = 5.2,a. What is the specific gravity of a mixture of 35% aggregate A and 65%aggregate B by weight?b. What is the absorption of the mixture?
Laboratory specific gravity and absorption tests are run on two coarse aggre- gate sizes, which have to be blended. The results are as follows: Aggregate A: Bulk specific gravity = 2.491; absorption = 0.8% Aggregate B: Bulk specific gravity = 2.773; absorption = 4.6% a. What is the specific gravity of a mixture of 60% aggregate A and 40% aggregate B by weight? b. What is the absorption of the mixture? TABLE P5.32 Aggregate A D Blend Blend 20% 15% 25% 40% Sieve Size, mm Percent Passing 37.5 100 100 100 100 25 100 100 100 100 19 95 100 100 100 12.5 89 100 100 100 9.5 50 85 100 100 4.75 10 55 100 100 2.36 2 15 88 98 1.18 2. 5 55 45 0.6 2 3 35 34 0.3 2 2 22 25 0.15 2 15 14 0.075 2 1 6 5