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Lightweight Expanded Clay Aggregate (LECA) is a clay-based lightweight aggregate that expands after being burned at high temperatures (1050°C - 1250°C) [2]. The use of LECA is very diverse
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Economic evaluation of expanded clay basalt fiber concrete …
Expanded clay (EC) is in the class of lightweight aggregate from which the term lightweight expanded clay aggregate (LECA) was derived. LECA are sometimes referred to as LIAPOR (porous lias clay), hydro corns or grow rocks [1].The development of LECA is dated back to 1917 in the city of Kansas, Missouri, the production in a rotary kiln …
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Utilization of expanded clay aggregates in …
Rashad AM (2018) Lightweight expanded clay aggregate as a building material—an overview. Constr Build Mater 170:757–775. ... The authors acknowledge the …
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Lightweight geopolymer concrete: A critical review on the …
Kastiukas et al. [54] impregnated expanded clay lightweight aggregates with paraffin wax phase change materials or PCM (22–26 °C phase change temperature) ... One of the main obstacles to widespread application of lightweight geopolymers is the high cost of the alkaline solution. Future studies should focus on developing lightweight ...
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The relation between particle density and static
The effect of the density and size of aggregates on elastic moduli are investigated in this research. Two groups of quaternary lightweight expanded clay aggregates are used, with each group produced under the following identical conditions: particle density within the range of 480 to 1100 kg/m 3 and the domain sizes from 4 to 14 …
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Lightweight Expanded Clay Aggregate …
Lightweight Expanded Clay Aggregate Production Line. Processing Capacity: 1.9-76 t/h. Main Equipment: Jaw crusher, ball mill, pan granulator, rotary drum dryer, rotary kiln, cooler, and trommel screen. Description: …
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A Comprehensive Review on the Performance of …
Normal concrete has a self-weight of about 2400 to 2500 kg/m 3, which is very heavy, and due to its overall dead load, the size of members of the structure increases [10,11].Lightweight concrete (LWC) is a type …
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(PDF) Influence of Lightweight Aggregates and …
Low density, fire resistance and good thermal insulation properties of lightweight aggregate concrete (LWAC) have drawn the attention of engineers and researchers for its widespread application.
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Lightweight self-compacting concrete: A review
The strength of lightweight self-compacting concrete generally depends on the concrete mix design, type of lightweight aggregate, and its characteristics. Other factors like water/binder ratio, inclusion of pozzolan, fiber, and nanomaterials have almost similar behaviors that can be observed in conventional concrete.
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Leca® LWA 10-20mm Lightweight Expanded Clay Aggregate
Pack Volume: 50 ltrs (Approximately three times the volume of a pack of "normal" aggregates) Weight per pack approximately 15kg. Pack size: Approximately 800mm x 400mm x 150mm. Granule Size: Approximately 10-20mm. Density: LECA ® LWA is a super-lightweight aggregate with a dry bulk density of approximately 280 kg/m 3. Water …
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Lightweight Concrete—From Basics to Innovations
Lightweight concrete has a history of more than two-thousand years and its technical development is still proceeding. ... "lightweight aggregate 1" could for instance represent an expanded clay with ρ s ~ 350 kg/m 3 and "lightweight aggregate 2" an expanded clay with ... A Blend of Aggregates to Support Curing of Concrete. In: …
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LIGHTWEIGHT EXPANDED CLAY AGGREGATES, …
LIGHTWEIGHT AGGREGATES - LATERLITE EXPANDED CLAY TECHNICAL CHARACTERISTICS LATERLITE EXPANDED CLAY Granular Crushed Denomination * 0/2 2/3 3/8 8/20 FRT 0/2 FRT 2/4 Density in kg/m3 (approx.) ** 680 480 380 350 600 350 Resistance to granule fragmentation N/mm2 ** ≥ 5,0 ≥ 3,0 ≥ 1,5 ≥ 1,0 - -
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A novel material for lightweight concrete production
For this purpose, six series of concrete samples were prepared. MEPS aggregate was used as a replacement of natural aggregate, at the levels of 0%, 25%, 50%, 75%, and by volume. The density of MEPS is much less than that of natural aggregate; MEPS concrete becomes a lightweight concrete with a density of about …
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Effect of Artificial Lightweight Aggregates on Interfacial
Lightweight aggregates (LWA) are extracting natural or producing industrially from various materials including clay, scoria, incinerator bottom ash, fly ash and even polymers [2, 5,6,7,8]. Artificial lightweight aggregates can contribute to preservation of the environment since they recycle by-products and reduce the consumption of the …
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Mechanical and Durability Behaviour of Structural Lightweight …
In this paper, the mechanical and long-term durability behaviour of structural lightweight concrete (LWC) produced with natural lightweight scoria aggregate (LWSA) from the Azores is analysed. Among the properties studied are the compressive and tensile strength, modulus of elasticity, shrinkage, capillary absorption, carbonation and chloride …
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Expanded Clay Market
According to latest research by Persistence Market Research, Expanded Clay market is set to witness high paced growth between 8% and 10% during 2021-2031. The market for …
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Experimental Study on Light Weight Geopolymer Concrete Using Expanded
In the geopolymer concrete, the normal coarse aggregate was replaced with lightweight expanded clay aggregate by 0%, 20%, 40%, 60%, 80%, and which has designated as M 1, M 2, M 3, M 4, M 5, and M 6 respectively. The weight of expanded clay aggregate and normal coarse aggregate for various replacement percentages is shown …
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DJJUHJDWH /(&$ IRURUJDQLFJURZLQJPHGLXP
Lightweight Expanded Clay Aggregate (LECA) is a clay-based lightweight aggregate that expands after being burned at high temperatures (1050°C - 1250°C) [2]. The use of …
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Buy Leca® LWA
Density: LECA ® LWA Insulation Fill is a super-light-weight aggregate with a dry bulk density of approximately 280 kg/m 3. This is a genuine and original premium quality LECA ® Lightweight Expanded Clay Aggregate distributed prepacked in the UK by Specialist Aggregates. This 10-20mm product has been formulated with a non-toxic water-repellent ...
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Structural Performance of Lightweight Aggregate Concrete …
Lightweight aggregate concrete (LWC) and fiber reinforced polymer (FRP) reinforcement are potentially more sustainable alternatives to traditional steel-reinforced concrete structures, offering several important benefits. To further the knowledge in this area, the physical–mechanical properties of LWC produced with 0%, 50%, and …
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Lightweight Concrete Blocks, CMUs, Small Precasts | Laterlite
Concrete blocks, or Concrete masonry unit (CMU) and small precast concrete items are usually factory produced from natural "heavy" aggregates, such as sand, gravel, and cement or other binders. The use of the Laterlite Lightweight Expanded Clay Aggregates (LWA) in the mix design of concrete constituting the elements, makes it possible to ...
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Journal of Engineering
Expanded Clay Aggregate (LECA), which is made by heating clay in a rotary kiln to 1200°C. LECA is a spherical creature with a continuous network of pores. LECA can be used to make
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Laterlite Plus: Hydrophobic dry insulating aggregate
Laterlite Plus light insulating aggregates are composed of a special expanded clay, characterised by a very low capillarity which allows it to be hydrophobic, not retain water and therefore remain dry.. Laterlite Plus insulating aggregates are also highly resistant and have all the typical properties of expanded clay aggregates, to which they add the …
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About the group | Laterlite
Laterlite is an Italian company that manufactures and develops lightweight insulating products for construction, civil engineering, geotechnical engineering, industrial uses, agriculture, and landscaping. Our company history began in 1964 when we first introduced lightweight expanded clay aggregates into Italy. Today we have four Italian ...
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LIGHTWEIGHT AND STRONG SOLUTIONS WITH …
Laterlite Expanded Clay is also a durable and incombustible material that is fi re and frost resistant, thermally insulating, and sound-absorbent. It is reusable and recyclable. Expanded clay is the only lightweight aggregate certifi ed for geotechnical uses, and is CE marked as compliant with EN 15732 - Lightweight fi ll and thermal
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LECA | Lightweight Expanded Clay Aggregate
Official manufacturer of Leca® lightweight expanded clay aggregate 10-20mm (LWA) Stability – reduces the risk of embankment landslide and deformation. Reduced settlements - to road structures, rail beds, pipelines and other structures. Reduced earth pressure - in structural backfill against foundations, retaining walls and bridge abutments.
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Frontiers | Mechanical Properties of Barchip Polypropylene …
Concrete is one of the broadly used construction materials in the construction industry. This research intends to recommend the replacement of conventional coarse aggregates with recycled lightweight expanded clay aggregate (LECA) which offers several advantages such as lightweight, low cost, and easy availability. Lightweight …
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ESCSI
ESCS Product. Expanded shale, expanded clay and expanded slate (ESCS) lightweight aggregate is prepared by expanding select minerals in a rotary kiln at temperatures over …
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Geopolymer Concrete with Lightweight Fine Aggregate: …
Limited information and data are available on the material and structural performance of GC incorporating lightweight fine aggregate. In this research, three types of lightweight fine materials were utilized to partially replace sand volume of GC. These lightweight materials were rubber, vermiculite, or lightweight expanded clay …
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