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Structural Lightweight Concrete - Expanded Clay Aggregate ...

Light expanded clay aggregate is one of the best lightweight aggregates for use in ready-mix concrete and precast concrete, and has lots of benefits when used in structural lightweight concrete applications, especially when compared to other lightweight aggregates.

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(PDF) Structural concrete using expanded clay aggregate: a ...

The results highlight the effect of the addition of expanded clay aggregate on the internal curing of the concrete, which allowed developing the maximum compressive strength at 28 days (61 MPa).

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Experiments in Concrete Casting - KieranTimberlake

Nov 12, 2012  Aggregates like expanded clay and perlite are widely available, so we conducted a series of casting studies to evaluate and identify best practices in working with them. We built mockups with five different lightweight aggregates, and a series of twelve mixes incorporating both conventional and lightweight aggregates.

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STRUCTURAL LIGHTWEIGHT CONCRETE WITH EXPANDED

3.2 Expanded Clay Laterlite, Expanded Clay Structural and Expanded Clay Terrecotte 8 3. EXPANDED CLAY FOR STRUCTURAL CONCRETE 4.1 International technical standards 10 4.2 National standards 10 4. THE STANDARDS 5.1 The mass of the aggregate 12 5.2 The soaking ratio page 13 5.3 Compressive resistance of granules 13 5. THE FEATURES OF LIGHTWEIGHT ...

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Expanded Clay Aggregate - an overview ScienceDirect Topics

P.L. Owens, J.B. Newman, in Advanced Concrete Technology, 2003 7.5.4 Expanded clay aggregate. Expanded clay aggregates are manufactured in rotary kilns each consisting of a long, large-diameter steel cylinder inclined at an angle of about 5° to the horizontal. The kiln is lined internally in the firing zone with refractory bricks which, as the kiln rotates, become heated to the required ...

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Lightweight self-compacting concrete with light expanded ...

with the use of light aggregates "Light expanded clay aggregate (LECA)". In this research, first by specific gravity factor method, twenty different mix designs of (LWSCC) were cast and tested to

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Experiments in Concrete Casting - KieranTimberlake

Nov 12, 2012  Aggregates like expanded clay and perlite are widely available, so we conducted a series of casting studies to evaluate and identify best practices in working with them. We built mockups with five different lightweight aggregates, and a series of twelve mixes incorporating both conventional and lightweight aggregates.

Get Price

Expanded Clay Applications in Internal Curing of Concrete

using expanded clay in partial replacement of normal weight coarse aggregates. The amount of expanded clay used is 100, 200, and 300 lb./yd3 respectively. The concrete mix designs for the lightweight and normal weight (control mix) had a water-cement ratio of 0.45 (see table 2 for mix designs). Table 2 Concrete mix designs Mix Cement Coarse

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Lightweight self-compacting concrete with light expanded ...

Lightweight self-compacting concrete with light expanded clay aggregate (LECA) ... twenty different mix designs of (LWSCC) were cast and tested to find out the values of slump flow, J-ring , V ...

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Chapter 10 Properties of Expanded Shale, Clay Slate ...

Concrete Masonry Physical Properties of Expanded Shale, Clay Slate Lightweight Aggregate And Lightweight Concrete Masonry Units April 2007 Expanded Shale, Clay Slate Institute (ESCSI) 2225 E. Murray Holladay Rd, Suite 102 Salt Lake City, Utah 84117 (801) 272-7070 Fax: (801) 272-3377 [email protected] escsi

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High Strength Lightweight Concrete, Expanded Clay Aggregate,

In an article - Structural Concrete using Expanded Clay Aggregate: A Review - published in the Indian Journal of Science and Technology, Vol. 11 (16), Dr. R. Vijayalakshmi and Dr. S. Ramanagopal of Department of Civil Engineering, SSN College of Engineering, Chennai opined that expanded clay aggregates (ECA) is used in many different industries due to its technical features and numerous ...

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Utilization of expanded clay aggregates in sustainable ...

Jun 07, 2020  The test results of LWGPC were referred as the reference and for the comparative analysis of the mixes. The LWGPC25 to LWGPC100 were prepared with the gradual replacement of the natural aggregates by the expanded clay aggregates (ECA) in the range of 25–100% by the weight of the aggregates in the mix.

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Lightweight Expanded Clay Aggregate LWA Laterlite

Laterlite Expanded Clay is a lightweight aggregate (LWA), with insulating characteristics made by expanding special natural clays at high temperature (1200°C).Laterlite Expanded Clay is manufactured in different types and sizes, in granular or crushed form, standard (lighter and insulating applications) or structural (high mechanical strength applications).

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Leca AE – Light Expanded Clay Aggregate

Leca is initial letters for light expanded clay aggregate. Expanded clay aggregates are porous ceramic products with a uniform pore structure of fine, closed cells and with a densely sintered, firm external skin. It is manufactured in rotary kilns from raw materials containing clay minerals. The raw material is prepared, moulded and then ...

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Aggregates for Concrete - Memphis

before they are used in concrete. The most commonly used aggregates—sand, gravel, crushed stone, and air-cooled blast-furnace slag—produce freshly mixed normal-weight concrete with a density (unit weight) of 2200 to 2400 kg/m. 3 (140 to 150 lb/ft. 3). Aggregates of expanded shale, clay, slate, and slag (Fig. 5-3) are used to produce struc-

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Comparison of Material Properties of Lightweight Concrete ...

Jan 01, 2017  Using pre-wetted expanded clay aggregate with similar mix composition, concrete density was 1900 kg/m 3 with a compressive strength up to 70.2 MPa. Although having similar mechanical properties as the waste plastic aggregate, pre-wetted expanded clay allows better cement hydration process, resulting in lower water absorption of lightweight ...

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Lightweight Concrete Produced Using a Two-Stage Casting ...

Mar 25, 2015  Typically available lightweight aggregates are usually produced using sintered fly ash, expanded clay and expanded shale [2,3,5,6,7]. They inherently have a large number of pores, which results in lower strength, stiffness and greater deformability [2,6]. Thus, weak lightweight aggregates affect the strength and failure of concrete .

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(PDF) Structural performance of fiber-reinforced ...

The experimental program of this study included fabricating and testing eleven specimens cast using lightweight concrete of expanded clay aggregate. All the considered specimens were identical in ...

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Effect of different expanded aggregates on durability ...

Mar 01, 2021  The preliminary results of the trial mixes showed that the mixing method 2 was appropriate for expanded glass (LV mixes) and foamed glass (EG mixes). However, method 1 (presoaking of aggregate for 1 h) was more proper for expanded clay aggregate (LP mixes). To mix the concrete ingredients, a Zyklos concrete mixer with a capacity of 50 l was used.

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Structural Lightweight Concrete with LECA, ECA ...

Apr 26, 2021  Light expanded clay aggregate is one of the best lightweight aggregates for use in ready-mix concrete and precast concrete, and has lots of benefits when used in structural lightweight concrete ...

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Role Of Expanded Clay Aggregate As An Light Weight

3.3 Expanded Clay Aggregate It is a Light weight mixture created by heating clay to around 2190 0 F having a dry density of 300-500kg/m3 , low thermal physical phenomenon, ph nearly 7, it has a high acoustic and fireplace resistance.

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Experiments in Concrete Casting - KieranTimberlake

Nov 12, 2012  Aggregates like expanded clay and perlite are widely available, so we conducted a series of casting studies to evaluate and identify best practices in working with them. We built mockups with five different lightweight aggregates, and a series of twelve mixes incorporating both conventional and lightweight aggregates.

Get Price

Expanded Clay Applications in Internal Curing of Concrete

using expanded clay in partial replacement of normal weight coarse aggregates. The amount of expanded clay used is 100, 200, and 300 lb./yd3 respectively. The concrete mix designs for the lightweight and normal weight (control mix) had a water-cement ratio of 0.45 (see table 2 for mix designs). Table 2 Concrete mix designs Mix Cement Coarse

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Effect of temperature curing on lightweight expanded clay ...

Jan 01, 2021  Mix proportions were calculated by fixing the cement content to 350 kg, with 0.4 and 0.5 w/b ratios as per the codes IS:10262-2019 and IS:456-2000 to produce a structural LECAC30 of M30 grade. Using volume fractions of gravel, LECA, fine aggregates, the volume of concrete required for casting was calculated and the materials were taken using farma (volume measuring box).

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Aggregates for Concrete

aggregate for concrete is ASTM C 33. Synthetic aggregates may be either byproducts of an industrial process, in the case of blast-furnace slag, or products of processes developed to manufacture aggregates with special properties, as in the case of expanded clay, shale, or slate used for lightweight aggregates. Some lightweight aggregates

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Lightweight Expanded Clay Aggregate LWA Laterlite

Laterlite Expanded Clay is a lightweight aggregate (LWA), with insulating characteristics made by expanding special natural clays at high temperature (1200°C).Laterlite Expanded Clay is manufactured in different types and sizes, in granular or crushed form, standard (lighter and insulating applications) or structural (high mechanical strength applications).

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EXPERIMENTAL STUDY ON LIGHT WEIGHT CONCRETE USING

(Lightweight Expanded Clay Aggregate) is an aggregate made by expanding clay at average temperature of 1200 C° in rotary kiln. LECA is usually produced from 0.1 mm up to 25 mm and supplied in various range sizes, which some of the commons grades are (0-4) mm, (4-10) mm, (10-25)

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Aggregates for Concrete - Memphis

before they are used in concrete. The most commonly used aggregates—sand, gravel, crushed stone, and air-cooled blast-furnace slag—produce freshly mixed normal-weight concrete with a density (unit weight) of 2200 to 2400 kg/m. 3 (140 to 150 lb/ft. 3). Aggregates of expanded shale, clay, slate, and slag (Fig. 5-3) are used to produce struc-

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Experimental Investigation On Flexural Properties Of ...

concrete The mix Design is made for M30 grade using sufficient water-cement ratio. After curing for 7 and 28 days, the compressive strength, split tensile strength in the concrete cubes and cylinder is measured and compared with conventional concrete. KEYWORDS — Expanded clay aggregate,

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Effect of different expanded aggregates on durability ...

Mar 01, 2021  The preliminary results of the trial mixes showed that the mixing method 2 was appropriate for expanded glass (LV mixes) and foamed glass (EG mixes). However, method 1 (presoaking of aggregate for 1 h) was more proper for expanded clay aggregate (LP mixes). To mix the concrete ingredients, a Zyklos concrete mixer with a capacity of 50 l was used.

Get Price

USING EXPANDED CLAY AGGREGATE (ECA) IN REINFORCED

Why Expanded Clay Aggregate (ECA) Is Preffered To Other Aggregates?: Expanded Clay Aggregate (ECA) reinforced concrete can be used also instead of ordinary concrete in making: Casting concrete for making: bridges, buildings, roads. Pre-casting: joists, walls in different sizes, floor and roof panels and other structural components.

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THE EFFECT OF CONCRETE COMPOSITION AND

Feb 24, 2009  tics of the expanded clay sand and expanded clay gravel are provided in Table 3. Table 1. Characteristics of the fine aggregate Sand Concrete marking bulk den-sity, g/cm³ particle density, g/cm³ bulk porosity, % fineness modulus A 1.62 2.00 19.0 2.22 B 1.61 1.82 11.6 2.07 During the research 4 concrete mixtures with the

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Aggregates Lightweight Concrete Mix Concrete Fill

Discover green building material aggregates and solutions — a full range of crushed rock, stone, sand, and gravel that are used in dozens of applications, including lightweight concrete mix, ready mix concrete and precast concrete, asphalt, and as a base material for street and road construction.

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Mix design of structural lightweight self-compacting ...

Lightweight expanded clay aggregates (LECA) were used to produce LWSCC. • Methodology set by Nepomuceno et al. for self-compacting concrete (SCC) was tested. • Methodology for SCC mix design successfully produced LWSCC using proper correlations. • Correlations to support application of the mix design method for LWSCC were presented.

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