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2. Determine the following parameters for both the coarse and fine aggregate samples (separately) based on...
Problem 2 Samples of coarse aggregate (CA) are collected at a stockpile and submitted for lab testing to determine their specific gravities. Tests were completed in accordance with ASTM C127-12 a...
Problem 2 Samples of coarse aggregate (CA) are collected at a stockpile and submitted for lab testing to determine their specific gravities. Tests were completed in accordance with ASTM C127-12 and the following masses are found: Mass Property 6,296 6,214 4,293 Mass of moist aggregate sample as submitted: Mass of oven-dried aggregate: Mass of aggregates submerged in water: Mass of SSD (Saturated Surface Dry) aggregate: 6,227 Using this data find the following: a) Aggregate bulk dry specific gravity b) Aggregate...
use (absolute volume method). Calculate the materials (type II cement, coarse aggregate, fine aggregate, and water)...
use (absolute volume method). Calculate the materials (type II cement, coarse aggregate, fine aggregate, and water) needed to make 16 concrete cylinders (diameter = 4", height = 8") for our compression tests. Specified compressive strength = 3000 psi at 28 days. For coarse aggregate, please choose 3/4 in max size gravel containing some crushed particles with the following assumptions: oven-dry specific gravity of 2.68; oven-dry rodded unit weight: 100 lb per cu. ft; moisture content: 1%.
Problem 1 Three samples of fine aggregate (FA) have the following properties Sample Measure Wet Mass (g) Dry Mass (g) Absorption (%) 622.6 591.7 620.9 593 620.0 592.6 2.6 2.52.2 Determine the fol...
Problem 1 Three samples of fine aggregate (FA) have the following properties Sample Measure Wet Mass (g) Dry Mass (g) Absorption (%) 622.6 591.7 620.9 593 620.0 592.6 2.6 2.52.2 Determine the following: a) Define the terms saturated surface dry (SSD) and free moisture. b) For the samples results from above compute the total moisture content for each sample batch and the average and standard deviation of the three samples. Free moisture content of the samples. c)
Problem 1 Three...
5. A sample of aggregate has a moisture content of 10 percent. Its absorption capacity is...
5. A sample of aggregate has a moisture content of 10 percent. Its absorption capacity is 4 percent. What is the weight of free water in a 100-1b sample of this aggregate? How is fineness modulus measured and what does it represent The specific gravity and bulk density of an aggregate are 2.6 and 95 pcf respectively. Find the loose (bulk) volume of a 190-lb sample. A sample of fine aggregate with a specific gravity of 2.6 has a bulk...
Design the concrete mix according to the following conditions: Design Environment Pavement slab, Bozeman, Montana (cold...
Design the concrete mix according to the following conditions: Design Environment Pavement slab, Bozeman, Montana (cold climate) Required design strength = 3000 psi Slab thickness = 12 in. Statistical data indicate a standard deviation of compressive strength of 250 psi is expected (more than 30 samples). Only air entrainer is allowed. Available Materials Air entrainer: Manufacture specification is 0.15 fl oz/1% air/100 lb cement. Coarse aggregate: 2 in. nominal maximum size, crushed stone Bulk oven-dry specific gravity = 2.573, absorption...
What would be the maximum aggregate size used for the given mixture properties by using ACI...
What would be the maximum aggregate size used for the given mixture properties by using ACI Method of Mix Design. 28-day specified concrete strength is 3b Mpa, standard deviation is choosen as 3.a Mpa and it is required that no more than 1 test result in 200 will fall below the specified strength. Project Title: Detoration of wood column of a commercial building Project summary: Wood deterioration at the lower level of a heavy timber column, which supports five floor...
Question 10 The aggregate mix used percent coarse aggregates, 52 percent fine aggregates, respective bulk specific...
Question 10 The aggregate mix used percent coarse aggregates, 52 percent fine aggregates, respective bulk specific gravities of these mate specific gravity from this total mix) are as follows: for the design of an asphalt concrete mixture consists of 40 and 8 percent mineral fillers. The rials are 2.680, 2.720, and 2.830. The of the asphalt cement is 1.020. Results of tests on specimens prepa aggregate combination and various percentages of ent (by weight of Weight of Specimen (g) Asphln...
Problem 2 Samples of coarse aggregate (CA) are collected at a stockpile and submitted for lab testing to determine their specific gravities. Tests were completed in accordance with ASTM C127-12 and the following masses are found: Mass Property 6,296 6,214 4,293 Mass of moist aggregate sample as submitted: Mass of oven-dried aggregate: Mass of aggregates submerged in water: Mass of SSD (Saturated Surface Dry) aggregate: 6,227 Using this data find the following: a) Aggregate bulk dry specific gravity b) Aggregate...
Problem 1 Three samples of fine aggregate (FA) have the following properties Sample Measure Wet Mass (g) Dry Mass (g) Absorption (%) 622.6 591.7 620.9 593 620.0 592.6 2.6 2.52.2 Determine the following: a) Define the terms saturated surface dry (SSD) and free moisture. b) For the samples results from above compute the total moisture content for each sample batch and the average and standard deviation of the three samples. Free moisture content of the samples. c)
Problem 1 Three...
5. A sample of aggregate has a moisture content of 10 percent. Its absorption capacity is 4 percent. What is the weight of free water in a 100-1b sample of this aggregate? How is fineness modulus measured and what does it represent The specific gravity and bulk density of an aggregate are 2.6 and 95 pcf respectively. Find the loose (bulk) volume of a 190-lb sample. A sample of fine aggregate with a specific gravity of 2.6 has a bulk...
Design the concrete mix according to the following conditions: Design Environment Pavement slab, Bozeman, Montana (cold climate) Required design strength = 3000 psi Slab thickness = 12 in. Statistical data indicate a standard deviation of compressive strength of 250 psi is expected (more than 30 samples). Only air entrainer is allowed. Available Materials Air entrainer: Manufacture specification is 0.15 fl oz/1% air/100 lb cement. Coarse aggregate: 2 in. nominal maximum size, crushed stone Bulk oven-dry specific gravity = 2.573, absorption...
Question 10 The aggregate mix used percent coarse aggregates, 52 percent fine aggregates, respective bulk specific gravities of these mate specific gravity from this total mix) are as follows: for the design of an asphalt concrete mixture consists of 40 and 8 percent mineral fillers. The rials are 2.680, 2.720, and 2.830. The of the asphalt cement is 1.020. Results of tests on specimens prepa aggregate combination and various percentages of ent (by weight of Weight of Specimen (g) Asphln...
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