ve desic Q4) Concrete is required for walls of a building that will be moderately exposed to Intrained freezing and thawing. The cross section of a wall is 300 x 1500 mm. The smallest spacing between reinforcing steel is 50 mm. The specified compressive strength of Compressive Strength concrete at 28 days is 21.5 MPa and a slump of 50 mm. Portland cement type I is used with specific gravity of 3.15, maximum size of aggregate 25 mm and fineness modulus of fine aggregate is 2.4, absorption capacity and moisture content of fine aggregate are of 0.8%, and 1.75% respectively. The dry-rodded unit weight of coarse aggregate is 1650 kg/m³, absorption capacity and moisture content of coarse aggregate are of 0.8%, and 1.75% respectively. Both aggregates have a bulk specific gravity (SSD) of (2.65. The aggregates conform to the ASTM C33-84 requirements for grading. Estimate the quantity of (cement, fine aggregate, coarse 94 8.75 aggregate and water) for 1m³ concrete. Tooox 2.65 1 h slump = 948.75 2650

ve desic Q4) Concrete is required for walls of a building that will be moderately exposed to Intrained freezing and thawing. The cross section of a wall is 300 x 1500 mm. The smallest spacing between reinforcing steel is 50 mm. The specified compressive strength of Compressive Strength concrete at 28 days is 21.5 MPa and a slump of 50 mm. Portland cement type I is used with specific gravity of 3.15, maximum size of aggregate 25 mm and fineness modulus of fine aggregate is 2.4, absorption capacity and moisture content of fine aggregate are of 0.8%, and 1.75% respectively. The dry-rodded unit weight of coarse aggregate is 1650 kg/m³, absorption capacity and moisture content of coarse aggregate are of 0.8%, and 1.75% respectively. Both aggregates have a bulk specific gravity (SSD) of (2.65. The aggregates conform to the ASTM C33-84 requirements for grading. Estimate the quantity of (cement, fine aggregate, coarse 94 8.75 aggregate and water) for 1m³ concrete. Tooox 2.65 1 h slump = 948.75 2650

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter11: Fracture And Fatigue

Section: Chapter Questions

Problem 11.4P

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ve st Semest desi Q4) Concrete is required for walls of a building that will be moderately exposed to Intrained freezing and thawing. The cross section of a wall is 300 x 1500 mm. The smallest spacing between reinforcing steel is 50 mm. The specified compressive strength of Compressive strengthe 3 concrete at 28 days is 21.5 MPa and a slump of 50 mm. Portland cement type I is used with specific gravity of 3.15, maximum size of aggregate 25 mm and fineness modulus of fine aggregate is 2.4, absorption capacity and moisture content of fine aggregate are of 0.8%, and 1.75% respectively. The dry-rodded unit weight of coarse aggregate is 1650 kg/m³, absorption capacity and moisture content of coarse aggregate are of 0.8%, and 1.75% respectively. Both aggregates have a bulk specific gravity (SSD) of (2.65. The aggregates conform to the ASTM C33-84 requirements for grading. Estimate the quantity of (cement, fine aggregate, coarse 94 8.75 aggregate and water) for 1m³ concrete. Tooox 2.65 alka…
Concrete is required for walls of a building that will be Severe Exposed to freezing and thawing. The cross section of a wall is 300 x 1500 mm. The smallest spacing between reinforcing steel is 50 mm. The Required Average Compressive Strength of concrete at 28 days is 40 MPa and a slump of 55 mm. Portland cement type I is used with specific gravity of 3.12, maximum size of aggregate 27 mm and fineness modulus of fine aggregate is 2.4, absorption capacity and moisture content of fine aggregate are of 0.92%, and 1.95% respectively. The dry-rodded unit weight of coarse aggregate is 1820 kg/m³, absorption capacity and moisture content of coarse aggregate are of 0.75%, and 1.85% respectively. Both aggregates have a bulk specific gravity (SSD) of (2.45). The aggregates conform to the ASTM C33-84 requirements for grading. Estimate the quantity of (cement, fine aggregate, coarse aggregate and water) for 1m³ concrete.
Concrete is required for walls of a building that will be Mild Exposed to freezing and thawing. The cross section of a wall is 300 x 1500 mm. The smallest spacing between reinforcing steel is 50 mm. The specified compressive strength of Compressive strength of concrete at 28 days is 35 MPa and a slump of 55 mm. Portland cement type I is used with specific gravity of 3.12, maximum size of aggregate 27 mm and fineness modulus of fine aggregate is 2.4, absorption capacity and moisture content of fine aggregate are of 0.92%, and 1.95% respectively. The dry-rodded unit weight of coarse aggregate is 1820 kg/m³, absorption capacity and moisture content of coarse aggregate are of 0.75%, and 1.85% respectively. Both aggregates have a bulk specific gravity (SSD) of (2.45). The aggregates conform to the ASTM C33-84 requirements for grading. Estimate the quantity of (cement, fine aggregate, coarse aggregate and water) for 1m³ concrete.
Concrete is required for a column that will be Severe Exposure to freezing and thawing. The cross section of the column is 300 × 300 mm. The smallest spacing between reinforcing steel is 40 mm. The specified compressive strength of concrete at 28 days is 40 MPa with a slump of 25 to 50 mm. The properties of materials are as follows: (a) Cement used is type I Portland cement with a specific gravity of 3.10. (b) The available coarse aggregate has a maximum size of 23 mm, a dry-rodded unit weight of 1800 kg/m3, a bulk specific gravity (SSD) of 2.68, absorption capacity of 0.65%, and moisture content (SSD) of 0.27%. (c) The fine aggregate has a bulk specific gravity (SSD) of 2.75, absorption capacity of 1.5%, a moisture content (SSD) of 2.5%, and a fineness modulus of 2.7,The aggregates conform to the ASTM C33-84 requirements for grading.
Concrete is required for a column that will be moderately exposed to freezing and thawing. The cross section of the column is 300 × 300 mm. The smallest spacing between reinforcing steel is 30 mm. The specified compressive strength of concrete at 28 days is 40 MPa with a slump of 80 to 100 mm. The properties of materials are as follows: ❖ Cement used is type I Portland cement with a specific gravity of 3.15. ◆ The available coarse aggregate has a maximum size of 23 mm, a dry-rodded unit weight of 1800 kg/m3, a bulk specific gravity (SSD) of 2.7, absorption capacity of 0.55%, and moisture content (SSD) of 0.25%. The fine aggregate has a bulk specific gravity (SSD) of 2.75, absorption capacity of 1.4%, a moisture content (SSD) of 2.5%, and a fineness modulus of 2.70. The aggregates conform to the ASTM C33-84 requirements for grading.
A center point loading is used to test concrete for flexure. The sample is 150mm x 150mm and has a clear span of 600mm. The sample failed when the load applied is 100,000N. What is the flexure stress at failure in MPa?
Which type of aggregate is more harmful for using in concrete? Angular Rounded Rough Elongated
The concrete in the core of a spiral column is sub- jected to a uniform confining stress o, of 680 psi. What will the compressive strength o be? The un- confined uniaxial compressive strength is 5000 psi.
Concrete is required for a column that will be Severe exposed to freezing and thawing. The cross section of the column is 300 × 300 mm. The smallest spacing between reinforcing steel is 30 mm. The Required Average Compressive Strength of concrete at 28 days is 35 MPa with a slump of 80 to 100 mm. The properties of materials are as follows: ❖ Cement used is type I Portland cement with a specific gravity of 3.15. ◆ The available coarse aggregate has a maximum size of 23 mm, a dry-rodded unit weight of 1800 kg/m3, a bulk specific gravity (SSD) of 2.7, absorption capacity of 0.55%, and moisture content (SSD) of 0.25%. The fine aggregate has a bulk specific gravity (SSD) of 2.75, absorption capacity of 1.4%, a moisture content (SSD) of 2.5%, and a fineness modulus of 2.70. The aggregates conform to the ASTM C33-84 requirements for grading.
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The required design strength is 5000 psi No variation for the statistical variation in concrete strength please
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