properties of lightweight concrete made with coreshell

Properties of lightweight concrete made with core-shell ...

Apr 30, 2019  Core-shell structured lightweight aggregate (CSA) was produced by cold bonding method. • Effects of curing method and surface treatment on properties of CSA were investigated. • CSA and expanded clay aggregate (ECA) were used for production of lightweight concrete. • Mechanical and durable Properties of concrete made of either CSA or ECA ...

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Properties of lightweight concrete made with core-shell ...

Properties of lightweight concrete made with core-shell structured lightweight aggregate Highlights•Core-shell structured lightweight aggregate (CSA) was produced by cold bonding method.•Effects of curing method and surface treatment on properties of CSA were investigated.•CSA and expanded clay aggregate (ECA) were used for production of lightweight concrete.•Mechanical

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CHAPTER 9 PHYSICAL PROPERTIES OF LIGHTWEIGHT CONCRETE

Concrete, structural lightweight-Structural lightweight-aggregate concrete made with structural lightweight aggregate as defined in ASTM C 330. The concrete has a minimum 28-day compressive strength of 2500 psi (17 MPa), an equilibrium density between

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Study on the production of core-shell structured ...

Lightweight aggregate concrete has been widely used in different construction applications due to its advantageous characteristics such as low density, low thermal conductivity and good durability properties. Compared to conventional concrete, lightweight aggregate concrete is made by replacing normal weight aggregate with

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Novel Core-Shell Non-Sintered Lightweight Aggregate ...

The properties of porous lightweight aggregate concrete with core-shell non-sintered lightweight aggregate were compared with sintered lightweight aggregate concrete along with several dimensions. The two aggregates were similar in particle size, density, and strength. The effects of each aggregate on the workability, compressive strength, dry ...

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Study on the production of core-shell structured ...

Lightweight aggregate concrete has been widely used in different construction applications due to its advantageous characteristics such as low density, low thermal conductivity and good durability properties. Compared to conventional concrete, lightweight aggregate concrete is made by replacing normal weight aggregate with

get price

Predicting effective thermal and elastic properties of ...

Micro- and nano-sized hollow and core-shell particles (CSPs) have attracted tremendous interests in developing functional cementitious composites and concretes. In this paper, a general method is developed to predict the thermal and elastic properties of cementitious composites containing core-shell and hollow micro-particles. The

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Fakultät VI Planen Bauen Umwelt: Publications

F. Tajra, M.A. Elrahman, C. Lehmann, D. Stephan: Properties of lightweight concrete made with core-shell structured lightweight aggregate. Construction and Building Materials 205, pp. 39-51. P. Sikora, M.A. Elrahman, E. Horszczaruk, P. Brzozowski, D. Stephan: Incorporation of a magnetite powder as a cement additive for improving thermal ...

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Bio-based ultra-lightweight concrete applying miscanthus ...

lightweight concrete [ l. It is noteworthy that the structure of 20-24 Miscanthus fibers is a complex core-shell structure, as shown in Fig. 1. One single Miscanthus particle consists of the outer shell called epidermis structure, while the middle and inner structures are scleren-

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Mechanical and Physical Properties of Light-Weight Ceramic ...

Sep 19, 2018  If the glass content exceeds 40 wt%, the core shell macrostructure of granules is produced, and the vitrified surface coat hinders sintering of the core. The optimal balance between mechanical and physical properties for application in the light-concrete products has been obtained for granules with 50 wt% of glass addition sintered at the range ...

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Bio-compatible Core-shell Nanostructured PCMs for Thermal ...

Jan 18, 2019  Bio-compatible nanostructured shape-stabilized PCMs, with a specifically designed core-shell structure, already reported in a previous work, were studied here, with reference to lightweight constructions, carrying out dynamic simulations, adopting a multi-parametric approach.

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US20200070402A1 - 3d printed core-shell filament and ...

A 3D printed core-shell filament comprises an elongated core radially surrounded by an outer shell with a barrier layer in between, where the elongated core comprises a ductile polymer and the outer shell comprises a stiff polymer having a Young's modulus higher than that of the ductile polymer. A lightweight lattice structure may comprise a plurality of the 3D printed core-shell filaments ...

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Flexural Behavior of Lightweight Concrete Beams Reinforced ...

“Modification of properties of structural lightweight concrete with steel fibres”, Journal of Civil Engineering and Management, 17(1), 36-44. Guler, S. (2018). “The effect of polyamide fibers on the strength and toughness properties of structural lightweight aggregate concrete”, Construction and Building Materials , 173, 394-402.

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Flexural Behavior of Lightweight Concrete Beams Reinforced ...

This study evaluated the effect of macro steel fiber (SF), micro glass fiber (GF) and micro polypropylene fiber (PF) in lightweight aggregate concrete, (LWAC) beams reinforced with glass fiber reinforced polymer (GFRP) bars. Firstly, concrete mixtures with different volume fractions of GF, PF and SF were tested up to compressive strength, then determine the optimum fiber content GF, PF and SF ...

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‪Mohamed Abd Elrahman‬ - ‪Google Scholar‬

Properties of lightweight concrete made with core-shell structured lightweight aggregate F Tajra, M Abd Elrahman, C Lehmann, D Stephan Construction and Building Materials 205, 39-51 , 2019

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The Preparation and Properties of a Shell Structure ...

Feb 24, 2020  Search worldwide, life-sciences literature Search. Advanced Search Coronavirus articles and preprints Search examples: "breast cancer" Smith J"breast cancer" Smith J

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Manufacturing and performance of environment-friendly ...

Abstract The production of lightweight aggregates (LWAs) involves much energy consumption and emission of pollution during the sintering process. The increasing worldwide demand for functional concrete for use in modern construction has promoted this negative trend to a more serious level. This study reports an artificial lightweight capsule aggregates (CAs) based on an encapsulation ...

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Mechanical and Durability Properties of Aerated Concrete ...

The aerated concrete cured under the steam curing regime is known as autoclaved aerated concrete (AAC). The absorption properties, drying shrinkage, compressive strength, etc., depend on the curing technique and time . Autoclaved aerated concrete is indeed a lightweight concrete typically used in building applications.

get price

Novel Core-Shell Non-Sintered Lightweight Aggregate ...

The properties of porous lightweight aggregate concrete with core-shell non-sintered lightweight aggregate were compared with sintered lightweight aggregate concrete along with several dimensions. The two aggregates were similar in particle size, density, and strength. The effects of each aggregate on the workability, compressive strength, dry ...

get price

Bio-based ultra-lightweight concrete applying miscanthus ...

lightweight concrete [ l. It is noteworthy that the structure of 20-24 Miscanthus fibers is a complex core-shell structure, as shown in Fig. 1. One single Miscanthus particle consists of the outer shell called epidermis structure, while the middle and inner structures are scleren-

get price

Fakultät VI Planen Bauen Umwelt: Publications

F. Tajra, M.A. Elrahman, C. Lehmann, D. Stephan: Properties of lightweight concrete made with core-shell structured lightweight aggregate. Construction and Building Materials 205, pp. 39-51. P. Sikora, M.A. Elrahman, E. Horszczaruk, P. Brzozowski, D. Stephan: Incorporation of a magnetite powder as a cement additive for improving thermal ...

get price

Mechanical and Physical Properties of Light-Weight Ceramic ...

Sep 19, 2018  If the glass content exceeds 40 wt%, the core shell macrostructure of granules is produced, and the vitrified surface coat hinders sintering of the core. The optimal balance between mechanical and physical properties for application in the light-concrete products has been obtained for granules with 50 wt% of glass addition sintered at the range ...

get price

Bio-compatible Core-shell Nanostructured PCMs for Thermal ...

Jan 18, 2019  Bio-compatible nanostructured shape-stabilized PCMs, with a specifically designed core-shell structure, already reported in a previous work, were studied here, with reference to lightweight constructions, carrying out dynamic simulations, adopting a multi-parametric approach.

get price

Flexural Behavior of Lightweight Concrete Beams Reinforced ...

“Modification of properties of structural lightweight concrete with steel fibres”, Journal of Civil Engineering and Management, 17(1), 36-44. Guler, S. (2018). “The effect of polyamide fibers on the strength and toughness properties of structural lightweight aggregate concrete”, Construction and Building Materials , 173, 394-402.

get price

Fakultät VI Planen Bauen Umwelt: Publikationen

F. Tajra, M.A. Elrahman, C. Lehmann, D. Stephan: Properties of lightweight concrete made with core-shell structured lightweight aggregate. Construction and Building Materials 205, S. 39-51. P. Sikora, M.A. Elrahman, E. Horszczaruk, P. Brzozowski, D. Stephan: Incorporation of a magnetite powder as a cement additive for improving thermal ...

get price

Mechanical and Durability Properties of Aerated Concrete ...

The aerated concrete cured under the steam curing regime is known as autoclaved aerated concrete (AAC). The absorption properties, drying shrinkage, compressive strength, etc., depend on the curing technique and time . Autoclaved aerated concrete is indeed a lightweight concrete typically used in building applications.

get price

US20200070402A1 - 3d printed core-shell filament and ...

A 3D printed core-shell filament comprises an elongated core radially surrounded by an outer shell with a barrier layer in between, where the elongated core comprises a ductile polymer and the outer shell comprises a stiff polymer having a Young's modulus higher than that of the ductile polymer. A lightweight lattice structure may comprise a plurality of the 3D printed core-shell filaments ...

get price

The Preparation and Properties of a Shell Structure ...

Feb 24, 2020  Search worldwide, life-sciences literature Search. Advanced Search Coronavirus articles and preprints Search examples: "breast cancer" Smith J"breast cancer" Smith J

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191105 LEED EN US A4 - poraver

Poraver® in lightweight concrete as a substitute for aggre-gates enhances insulating properties. ENERGY ATMOSPHERE Optimize Energy Performance: • LEED-NC credit MR 5 1-2 Points • LEED-CI credit MR 5 1-2 Points • LEED-CS credit MR 5 1-2 Points Poraver® expanded glass is

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Construction Materials Free Full-Text A Comprehensive ...

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 of concrete made of either a lightweight aggregate or expanding agent [12,13,14].LWC having a dry density of 300 kg/m 3 up to 1840 kg/m 3 is 23–80% lighter in weight than normal ...

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US7828998B2 - Material having a controlled microstructure ...

Disclosed is a method for making a material having a controlled microstructure, the method including providing particles of a ceramic mineral material, the particles having a metal oxide dopant therein. The particles of the ceramic mineral material are consolidated into larger aggregates of a size relevant to the desired application using standard industrial mixing and pelletizing technology.

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IOP Conference Series: Materials Science and Engineering ...

Jun 02, 2020  Structural lightweight concrete also was used in offshore construction. The development of compositions of high-strength lightweight concrete with an average density of 1100-1500 kg/m 3 may be in demand for the manufacture of most of the typical concrete products with an ordinary strength 20-35 MPa. This study have shown that granular expanded ...

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