CONSTRUCTION MATERIALS & TESTING-Section
Coarse aggregate is placed in a rigid bucket and rodded with a tamping rod to determine its unit weight. The following data are obtained:
Volume of bucket = 0.3 cuft
Weight of empty bucket is 19.3 lb
Weight of bucket filled with dry rodded coarse aggregate = 57.3 lb
If the bulk dry specific gravity of the aggregate is 2.63, calculate the percent voids in the aggregate.
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CONSTRUCTION MATERIALS & TESTING
Coarse aggregate is placed in a rigid bucket and rodded with a tamping rod to determine its unit weight. The following data are obtained: Volume of bucket = 0.4 cuft Weight of empty bucket is 18.3 lb Weight of bucket filled with dry rodded coarse aggregate = 56.9 lb Calculate the dry-rodded unit weight in lb/ft^3 (one decimal only).
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%.
Another asphaltic concrete mixture consists of 42% coarse aggregates, 51% fine aggregates, and 7% mineral fillers....
Another asphaltic concrete mixture consists of 42% coarse aggregates, 51% fine aggregates, and 7% mineral fillers. The respective bulk specific gravities of these materials are 2.600, 2.710, and 2.690. The asphalt cement content of the total weight of the mix of a sample is 5.5%. The bulk specific gravity of the sample was calculated as 2.467, and the maximum bulk specific gravity of the mix was estimated using ASTM D2041 as 2.562. Determine the value of the sample's air voids,...
A bituminous mixture contains 65% coarse aggregate, 35% fine aggregate (by weight of total aggregate) and...
A bituminous mixture contains 65% coarse aggregate, 35% fine aggregate (by weight of total aggregate) and 4.8% asphalt (by weight of the mixture). Determine the bulk specific gravity of the mixture if, after compaction, it contains 7.0% air voids. Assume that the aggregate absorbs 0.3% of the asphalt by weight of the aggregate. The specific gravities of the materials are: Coarse Aggregate 2.723 Fine Aggregate 2.664 - 1.05
Compute the SSD mix proportions for the following mix design using the ACI method: Compressive Strength:...
Compute the SSD mix proportions for the following mix design using the ACI method: Compressive Strength: 3,000 psi Slump: 4 inches Non-Air Entrained Concrete The materials have the following properties: | Cement: Type I, specific gravity = 3.15 | Fine Aggregate: Bulk specific gravity = 2.68; fineness modulus = 2.40 Coarse Aggregate: Maximum size aggregate = 1 inch; bulk specific gravity = 2.68; Dry-rodded unit weight = 100 lbs/ft3
PLease solve the first sheet with the information available! Thank you ! Dry Unit weight of...
PLease solve the first sheet with the information available!
Thank you !
Dry Unit weight of Aggregate Sample= 96.9 pcf
Container Weight= 0.2 Ib
weight of container and sample= 311.1 g
Container Volume= 0.1 ft^3
Coarse Aggregate Test Data Coarse Aggregate Texture Classification: Coarse Aggregate Absorption and Specific Gravities Dry Weight of Aggregate Sample A- SSD Weight of Aggregate Sample 3 = SSD Weight of Aggregate Sample Submerged under Water C = Apparent Specific Gravity = Yes parent = Bulk...
An aggregate blend is composed of 59% coarse aggregate by weight (Sp Gr. 2635), 36% fine...
An aggregate blend is composed of 59% coarse aggregate by weight (Sp Gr. 2635), 36% fine aggregate (Sp. G. 2.710), and 5% filler (Sp. Gr. 2.748). The compacted specimen contains 6% asphalt binder (Sp Gr. 1.088) by weight of total mix, and has a bulk density of 143.9 lb/t Ignoring absorption, compute the percent voids in total mix, percent voids in mineral aggregate, and the percent voids filled with asphalt. Assume: V.-1 ft ir Binder Filler FA CA
The question is as follows:- Q) Design the concrete mixture for the slab
The question is as follows:-
Q) Design the concrete mixture for the slab
2. A reinforced slab concrete foundation is to be poured for a building. The building is to be constructed near Edmonton. The slab will be in direct contact with the soil, and the soil typically has a sulphate content of 0.3 percent by mass. The minimum rebar spacing in the slab is 100 mm. The contractor is certain that his workers can place a concrete with a...
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...
Another asphaltic concrete mixture consists of 42% coarse aggregates, 51% fine aggregates, and 7% mineral fillers. The respective bulk specific gravities of these materials are 2.600, 2.710, and 2.690. The asphalt cement content of the total weight of the mix of a sample is 5.5%. The bulk specific gravity of the sample was calculated as 2.467, and the maximum bulk specific gravity of the mix was estimated using ASTM D2041 as 2.562. Determine the value of the sample's air voids,...
A bituminous mixture contains 65% coarse aggregate, 35% fine aggregate (by weight of total aggregate) and 4.8% asphalt (by weight of the mixture). Determine the bulk specific gravity of the mixture if, after compaction, it contains 7.0% air voids. Assume that the aggregate absorbs 0.3% of the asphalt by weight of the aggregate. The specific gravities of the materials are: Coarse Aggregate 2.723 Fine Aggregate 2.664 - 1.05
Compute the SSD mix proportions for the following mix design using the ACI method: Compressive Strength: 3,000 psi Slump: 4 inches Non-Air Entrained Concrete The materials have the following properties: | Cement: Type I, specific gravity = 3.15 | Fine Aggregate: Bulk specific gravity = 2.68; fineness modulus = 2.40 Coarse Aggregate: Maximum size aggregate = 1 inch; bulk specific gravity = 2.68; Dry-rodded unit weight = 100 lbs/ft3
PLease solve the first sheet with the information available!
Thank you !
Dry Unit weight of Aggregate Sample= 96.9 pcf
Container Weight= 0.2 Ib
weight of container and sample= 311.1 g
Container Volume= 0.1 ft^3
Coarse Aggregate Test Data Coarse Aggregate Texture Classification: Coarse Aggregate Absorption and Specific Gravities Dry Weight of Aggregate Sample A- SSD Weight of Aggregate Sample 3 = SSD Weight of Aggregate Sample Submerged under Water C = Apparent Specific Gravity = Yes parent = Bulk...
An aggregate blend is composed of 59% coarse aggregate by weight (Sp Gr. 2635), 36% fine aggregate (Sp. G. 2.710), and 5% filler (Sp. Gr. 2.748). The compacted specimen contains 6% asphalt binder (Sp Gr. 1.088) by weight of total mix, and has a bulk density of 143.9 lb/t Ignoring absorption, compute the percent voids in total mix, percent voids in mineral aggregate, and the percent voids filled with asphalt. Assume: V.-1 ft ir Binder Filler FA CA
The question is as follows:-
Q) Design the concrete mixture for the slab
2. A reinforced slab concrete foundation is to be poured for a building. The building is to be constructed near Edmonton. The slab will be in direct contact with the soil, and the soil typically has a sulphate content of 0.3 percent by mass. The minimum rebar spacing in the slab is 100 mm. The contractor is certain that his workers can place a concrete with a...
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...
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