compressive strength of lightweight concrete in psi

Mechanical Properties of HighStrength Lightweight Concrete

Jul 1, 1986 Summarizes results of an experimental investigation of the mechanical properties of highstrength lightweight concrete subject to shortterm loads. Concretes having compressive strengths to 8600 psi (59 MPa) and densities from 90 to 103 pcf (1440 to 1650 kg/m) were tested. Data were obtained pertaining 

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Understanding Structural Lightweight Concrete Concrete

Structural lightweight concrete is defined as having a 28 day compressive strength in excess of 2,500 psi and a unit weight ranging from 85 or 90 pcf to 115 pcf. Generally speaking, concrete in this range of strength and weight is produced with expanded shales, clays, slates, and slags. A fairly satisfactory means of 

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Tips for How to Fix and Strengthen Lightweight Concrete

There are two egories of lightweight concrete that could typically be found on a project: structural lightweight and lightweight insulating concrete. Structural lightweight is generally egorized with a density of over 100 lb./cu.ft. and a compressive strength in excess of 3000 psi. Lightweight insulating concrete subfloors 

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Structural grade lightweight concrete block Masonry Construction

for the compressive strength of hollow concrete masonry units, masonry professionals need to be aware that ASTM C 9090 (Hollow. Loadbearing Masonry Units) has replaced C 9085, which required. 1000 psi minimum gross compres sive strength. C 9090 now speci fies net compressive strengths of. 1900 psi (Table 2) 

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High Strength Lightweight Concrete for Use in Precast, Prestressed

The use of high strength, high performance lightweight concrete (HSLWC) can result in longer span lengths and lighter weight girders.(1) Previous research at the Georgia Institute of Technology (Georgia Tech) showed that HSLWC bridge girders can be constructed with 10,000 psi (69 MPa) compressive strength concrete 

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Laboratory Investigation of Lightweight Concrete Properties

ACI defines structural LWC as structural concrete made with lowdensity aggregate that has an airdry density of not more than 115 lb/ft. 3 and a 28day compressive strength of more than. 2,500 psi (ACI 116R) (ACI, 2000). Airdry density is referred to as equilibrium density. It is defined by ASTM International (ASTM) in 

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Comparative Study of Lightweight Aggregates

May 4, 2009 Table 3. Ambient Pressure vs. 35 psi Applied Pressure for Lightweight Aggregates. Lightweight. Aggregate. Ambient Pressure. Absorption. (vol%). 35 psi Pressure. Absorption. (vol%) . aggregate returned the highest compressive strength of the four lightweight aggregates, both at 28 days and 120 days,.

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Buildex Structural Lightweight Concrete

Follow the lightweight aggregate manufacturer's recommendations for prewetting procedures. Normal weight fine aggregate shall meet ASTM C 33. Concrete Properties: Strength: Proportion materials to produce concrete with a minimum compressive strength of ___ psi at 28 days. Comment: Commonly specified 

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Comparative study of lightweight and normal weight concrete in

3001000 psi. Structural lightweight 'concrete as defined by the American Con crete Institute (6) shall have a 28day compressive strength in excess of 2500 psi and a 28day unit weight not exceeding l15pcf. Raw materials used in commercial production of structural light weight aggregates are generally (a) suitable natural 

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Laboratory Investigation of Lightweight Concrete Properties

ACI defines structural LWC as structural concrete made with lowdensity aggregate that has an airdry density of not more than 115 lb/ft. 3 and a 28day compressive strength of more than. 2,500 psi (ACI 116R) (ACI, 2000). Airdry density is referred to as equilibrium density. It is defined by ASTM International (ASTM) in 

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Use of High Strength Lightweight Concrete to Construct a laccei

lightweight concrete show that the required strength of 8,000 psi is obtained at 14 days, and the tension strength This paper presents the characteristics of the lightweight concrete used, the construction methodology followed to . Figure 2 shows how the concrete compression strength along the time for different mixes.

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highstrength structural lightweight concrete LightConcrete

Moderate strength in the 3.54 MPa [500 psi] to 10.3 MPa [1,500 psi] range is similar to that of many naturally occurring bedrock formations. 0.35 [50 psi] to 0.7 MPa [100 psi] compressive strengths designs is suggested for removability or reexcavation. Lightweight foamed concrete fill has been used successfully to prevent 

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Windsor Probe Standard Power Strength Table () James

A point of convergence will occur in the range of 3600 psi, and vary. Probe System, used at standard power, indies less than 3000 psi. Metric Standard Power Strength Table. Imperical Standard Power Strength Table. (Cube Correlations). (Cube Correlations). Compressive Strength (MPA). Compressive Strength (PSI).

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Buildex Structural Lightweight Concrete

Follow the lightweight aggregate manufacturer's recommendations for prewetting procedures. Normal weight fine aggregate shall meet ASTM C 33. Concrete Properties: Strength: Proportion materials to produce concrete with a minimum compressive strength of ___ psi at 28 days. Comment: Commonly specified 

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Engineering Properties of Structural Lightweight Concrete Stalite

aggregate concrete are dependent on the type of lightweight aggregate utilized in the concrete. [1]. Structural lightweight aggregate concrete is defined as concrete which: (a) is made with lightweight aggregates conforming to ASTM C 330, (b) has a compressive strength in excess of 2,500 psi (17.25 MPa) at 28 days of age 

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Structural grade lightweight concrete block Masonry Construction

for the compressive strength of hollow concrete masonry units, masonry professionals need to be aware that ASTM C 9090 (Hollow. Loadbearing Masonry Units) has replaced C 9085, which required. 1000 psi minimum gross compres sive strength. C 9090 now speci fies net compressive strengths of. 1900 psi (Table 2) 

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Affordable Lightweight High Performance Concrete (ALWHPC

aggregate. ALWHPC mix designs contain all lightweight aggregates and cementitious materials that are readily available throughout the United States. Instead of 115 – 120 pcf, ALWHPC mix designs range from 88 – 100 pcf and strengths from 2,700 – 8,700 psi compressive strength. Lightweight aggregate is the primary 

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Comparative study of lightweight and normal weight concrete in

3001000 psi. Structural lightweight 'concrete as defined by the American Con crete Institute (6) shall have a 28day compressive strength in excess of 2500 psi and a 28day unit weight not exceeding l15pcf. Raw materials used in commercial production of structural light weight aggregates are generally (a) suitable natural 

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HighStrength Concrete Portland Cement Association

between "normalstrength" and "highstrength" con crete. According to the. American Concrete. Institute, high strength is defined as that over 6000 psi (41 MPa) compressive strength. concrete with compressive strengths of up to 12,000 psi (83 MPa). Structural lightweight concrete—not necessarily highstrength—is 

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Concrete Yield Strength, fc' (psi) IN.gov

Modulus of. Rupture, fr. (psi). Class C. 4000. 3645. 480. Class A. 3500. 3410. 450. Class B. 3000. 3155. 415. Notes: 1. Thermal coefficient of expansion = 6.0 x 10. 6. /°F. 2. Shrinkage coefficient = 0.0002 after 28 days. = 0.0005 after 1 year. 3. Normal weight concrete density = 150 lb/ft. 3 for computing loads. = 145 lb/ft. 3.

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Engineering Properties of Structural Lightweight Concrete Stalite

aggregate concrete are dependent on the type of lightweight aggregate utilized in the concrete. [1]. Structural lightweight aggregate concrete is defined as concrete which: (a) is made with lightweight aggregates conforming to ASTM C 330, (b) has a compressive strength in excess of 2,500 psi (17.25 MPa) at 28 days of age 

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Lightweight Concrete A General View Concrete Construction

(2) Lightweight structural compressive strength varies from 500 psi to 1000 psi for insulating material to 7000 psi and better for structural concrete. Normal weight concrete ranges to 8000 plus psi. (3) The modulus of elasticity varies from around 65,000 psi for the ultra lightweights to 3 million psi for the medium lightweight 

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How Concrete Rvalue, Density, and Strength Relate Concrete

Jul 1, 1999 ACI 213R87, "Guide for Lightweight Structural Aggregate Concrete," divides lightweight concretes into three egories. Structural concrete has a density ranging from about 90 to 120 pounds per cubic foot and compressive strength from 2500 to more than 6000 psi. Moderatestrength concrete has a 

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HighStrength Concrete Portland Cement Association

between "normalstrength" and "highstrength" con crete. According to the. American Concrete. Institute, high strength is defined as that over 6000 psi (41 MPa) compressive strength. concrete with compressive strengths of up to 12,000 psi (83 MPa). Structural lightweight concrete—not necessarily highstrength—is 

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Limit on Strength of Normal Weight Concrete S.K. Ghosh Associates

strength level of 6000 psi (41 MPa) for concrete to qualify as HPC. ACI 3183 does not define either. HSC or HPC. Furthermore, these terms are not defined in any other U.S. code or national standard. UPPER LIMIT ON. CONCRETE STRENGTH. ACI 31899 requires that the speci fied compressive strength of lightweight 

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Structural Properties of High Strength Concrete and its Impliions

High strength concrete with a uniaxial compressive strength, f,' greater than 6000 psi (42 MPa), is experiencing increased use and acceptance by de signers and contractors for both rein forced and prestressed concrete con struction. 1 2 Ɖ Currently, it is possible to produce concrete with strengths in ex cess of 12,000 psi 

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Structural Lightweight Concrete Prestressed Girders and Panels

This report explores the uses of high performance lightweight concrete (f c psi) in pretensioned girders and deck panels. A summary of pertinent Lightweight concrete use in precast deck panels indied the transfer length of smaller strands was adequate. The full calculated ultimate .. 4.3.2 Compressive Strength .

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Understanding Structural Lightweight Concrete Concrete

Structural lightweight concrete is defined as having a 28 day compressive strength in excess of 2,500 psi and a unit weight ranging from 85 or 90 pcf to 115 pcf. Generally speaking, concrete in this range of strength and weight is produced with expanded shales, clays, slates, and slags. A fairly satisfactory means of 

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