properties of foamed concrete containing water repellents

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Properties of foamed concrete containing water repellents ...

Oct 01, 2016  The purpose of this study is to prepare a foamed concrete with excellent sorptivity and hygroscopicity and investigate the effects of water repellent on the properties of foamed concrete. Three types of water repellents are selected and they are potassium trimethylsilanolate (PT), calcium stearate (CS) and a type of siloxane-based polymer (SP ...

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Properties of foamed concrete containing water repellents ...

In this study, a foamed concrete with a low density of about 550 kg/m 3 is prepared using ordinary Portland cement, and three types of water repellents including potassium trimethylsilanolate (PT), calcium stearate (CS) and siloxane-based polymer (SP) are employed to decrease the water absorption of the foamed concrete. The effects of the water ...

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Properties of foamed concrete containing water repellents ...

The effects of the water repellent on the mechanical and physical properties of the foamed concrete, such as 7-day and 28-day compressive strength, thermal conductivity, sorptivity and...

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Engineering Properties of Foamed Concrete Containing Water ...

foamed concrete and to study the impacts of water repellents on the fresh and engineering properties of foamed concrete. This study was separated into two main research phases. The first phase aimed at determining the optimum water-to-cement ratio for foamed concrete without the presence of water repellents, which was then determined as 0.48.

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Properties of foamed concrete containing water repellents

It is generally known that the physical and mechanical properties would be greatly degraded after water or moisture transferring into the foamed concrete. In this study, a foamed concrete with a low density of about 550kg/m3 is prepared using ordinary Portland cement, and three types of water repellents including potassium trimethylsilanolate (PT), calcium stearate (CS) and siloxane ...

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Engineering Properties of Foamed Concrete Containing Water ...

Nov 26, 2018  Consequently, foamed concrete is prone to harmful substances’ penetration, which will disrupt its overall durability and the purpose of usage. Hence, water repellent is introduced into foamed concrete in this study and its effect on various engineering properties of foamed concrete

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Engineering Properties of Foamed Concrete Containing Water ...

Consequently, foamed concrete is prone to harmful substances’ penetration, which will disrupt its overall durability and the purpose of usage. Hence, water repellent is introduced into foamed...

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Foam Concrete -Materials, Properties, Advantages and ...

Table.1: Typical Properties of Foamed Concrete in its Hardened State The thermal conductivity of foam concrete ranges from 0.1W/mk to 0.7W/mk. The drying shrinkage ranges from 0.3 to 0.07% at 400 and 1600kg/m3 respectively. The foamed concrete does not possess an equivalent strength similar to an autoclaved block with similar density.

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Engineering Properties of Foamed Concrete Containing Water ...

Consequently, foamed concrete is prone to harmful substances’ penetration, which will disrupt its overall durability and the purpose of usage. Hence, water repellent is introduced into foamed concrete in this study and its effect on various engineering properties of foamed concrete will be investigated.

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10.1016/j.conbuildmat.2016.06.148 DeepDyve

Jun 11, 2020  In this study, a foamed concrete with a low density of Received in revised form 27 June 2016 about 550 kg/m is prepared using ordinary Portland cement, and three types of water repellents includ- Accepted 29 June 2016 ing potassium trimethylsilanolate (PT), calcium stearate (CS) and siloxane-based polymer (SP) are Available online 5 July 2016 ...

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MECHANICAL PROPERTIES OF 1200 kg/m3 LIGHTWEIGHT

MECHANICAL PROPERTIES OF 1200 kg/m3 LIGHTWEIGHT FOAMED CONCRETE INCORPORATE WITH CALCIUM STEARATE ... water repellent agent is introduced into LFC. Calcium stearate (CS) is a type of water repellent agent that ... for Different Types of Concrete Containing CS 20 Table ‎3.1: Types of Mould Required for Different Testing

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Foam Concrete -Materials, Properties, Advantages and ...

Foam concrete is a type of lightweight concrete that is manufactured from cement, sand or fly ash, water, and the foam. Foam concrete is in the form of foamed grout or foamed mortar. Foam concrete can be defined as a cementitious material that consists of minimum 20 percent of foam, that is mechanically entrained into the plastic mortar.

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Thermal Properties of Foamed Concrete: A Review

Nov 06, 2020  The focus of this paper is to classify the literature on thermal behaviour of foamed concrete which includes the major factors affecting thermal properties and available methods of measuring it along with its pros and cons. Based on the review conducted it is observed that among the various factors studied, the microstructural parameters such ...

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Foam Concrete - ripublication

Foam concrete is a vast majority of concrete containing no large aggregates, only fine sand and with extremely lightweight materials containing cement, water and foam. It can be considered relatively homogeneous when compared to normal concrete, as it does not contain coarse aggregate phase. However, the properties of foamed concrete

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Mechanical Characterization of Lightweight Foamed Concrete

Mar 18, 2018  Foamed concrete shows excellent physical characteristics such as low self weight, relatively high strength and superb thermal and acoustic insulation properties. It allows for minimal consumption of aggregate, and by replacement of a part of cement by fly ash, it contributes to the waste utilization principles. For many years, the application of foamed concrete has been limited to backfill

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THE INFLUENCE OF SUPERPLASTICISERS ON THE FRESH AND ...

Dec 07, 2020  Ma, C. and B. Chen,2016 Properties of foamed concrete containing water repellents. Construction and building materials. 123: p. 106-114. Cong, M. and C. Bing,2015 Properties of a foamed concrete with soil as filler. Construction and Building Materials. 76: p. 61-69.

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Technical Fact Sheet – Perfluorooctane Sulfonate (PFOS ...

food and water, use of consumer products or inhalation of PFAS-containing particulate matter (e.g., soils and dust) or vapor phase precursors (ATSDR 2015; EPA 2009b). PFOA and PFOS have been found in drinking water supplies, typically associated with manufacturing locations, industrial use or

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Foamed Lightweight Concrete Natural Building Blog

Jun 09, 2013  Foamed concrete and foamed cement made with Allied’s foam have very fine pore structure, unlike that made with conventional proteinaceous and surfactant foams. The pore structure of Allied’s foams hardly show any sign of deterioration as the density of the foamed cement decreases to below 160 kg/m3 (10 pcf).

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‪Ming Han Lim‬ - ‪Google Scholar‬

Compressive strength of lightweight foamed concrete with charcoal as a sand replacement. ... E3S Web of Conferences 65, 05019, 2018. 4: 2018: Engineering properties of foamed concrete containing water repellent. YL Lee, CH Oh, MH Lim, FW Lee. E3S Web of Conferences 65, 02005 ... Behavioural Study of Concrete Surface Crack Filling Conditions on ...

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UMP Thesis Template

Properties of foamed concrete containing water repellents. Construction and Building Materials, 123 ... Ramamurthy, K. (2006). Influence of filler type on the properties of foam concrete. Cement and Concrete ... F. U. A. (2016). Mechanical and durability properties of fly ash geopolymer concrete containing recycled coarse aggregates. ...

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Preparation and properties of ready-to-use low-density ...

Abstract Foamed concrete is widely used as a highly energy-efficient building material. However, low-density foamed concrete requires increased amounts of Portland cement or steam curing to meet engineering requirements. This is due to inadequate compressive strength and long setting time of Portland cement. In this study, we investigate a method for preparing green, high strength, low-density ...

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Splitting Tensile Strength of Lightweight

Lee. "Engineering Properties of Foamed Concrete Containing Water Repellent", E3S Web of Conferences, 2018 Crossref irbnet Internet Yee Ling Lee, Jee Hock Lim, Siong Kang Lim, Cher Siang Tan. "Flexural behaviour of reinforced lightweight foamed mortar beams and slabs", KSCE Journal of Civil Engineering, 2017 Crossref neliti Internet

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WATER ABSORPTION AND STRENGTH PROPERTIES OF

lightweight foamed concrete while contributing to sustainable development of building materials. This experimental study is aimed to investigate the effects of incorporation of eggshell on its water absorption and strength properties of lightweight foamed concrete (LFC)

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UMP Thesis Template

Properties of foamed concrete containing water repellents. Construction and Building Materials, 123 ... Ramamurthy, K. (2006). Influence of filler type on the properties of foam concrete. Cement and Concrete ... F. U. A. (2016). Mechanical and durability properties of fly ash geopolymer concrete containing recycled coarse aggregates. ...

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Splitting Tensile Strength of Lightweight

Lee. "Engineering Properties of Foamed Concrete Containing Water Repellent", E3S Web of Conferences, 2018 Crossref irbnet Internet Yee Ling Lee, Jee Hock Lim, Siong Kang Lim, Cher Siang Tan. "Flexural behaviour of reinforced lightweight foamed mortar beams and slabs", KSCE Journal of Civil Engineering, 2017 Crossref neliti Internet

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Bachelor of Engineering (Hons) Civil Engineering Oral ...

18 1540-1600 1103368 Tan Thean Long Engineering properties of foamed concrete containing water repellents with density 800 kg/m3 Dr Lee YL Dr Lee ML FYP 1 19 1600-1620 1102098 Low Sheng Keat Engineering properties of foamed concrete containing water repellents with density 1000 kg/m3

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Technical Fact Sheet – Perfluorooctane Sulfonate (PFOS ...

food and water, use of consumer products or inhalation of PFAS-containing particulate matter (e.g., soils and dust) or vapor phase precursors (ATSDR 2015; EPA 2009b). PFOA and PFOS have been found in drinking water supplies, typically associated with manufacturing locations, industrial use or

Get price

Foamed Lightweight Concrete Natural Building Blog

Jun 09, 2013  Foamed concrete and foamed cement made with Allied’s foam have very fine pore structure, unlike that made with conventional proteinaceous and surfactant foams. The pore structure of Allied’s foams hardly show any sign of deterioration as the density of the foamed cement decreases to below 160 kg/m3 (10 pcf).

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Development of Quick-Solidifying Foamed Concrete for Mine ...

Nov 17, 2020  Coal mine fires have continuously remained the primary disasters in coal mining worldwide. Cement-based inorganic foam concrete, e.g., for engineering filling and coal mine fire extinguishing, has become the first choice for responding to such fires. The objective of this study was to propose quick-solidifying foamed concrete materials based on laboratory tests, and to test the properties

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Foam concrete - Wikipedia

Foam concrete, also known as Lightweight Cellular Concrete (LCC), Low Density Cellular Concrete (LDCC), and other terms is defined as a cement-based slurry, with a minimum of 20% (per volume) foam entrained into the plastic mortar. As mostly no coarse aggregate is used for production of foam concrete the correct term would be called mortar instead of concrete; it may be called "foamed cement ...

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Making Foam Concrete – FoamConcreteWorld

Foam properties Foaming agents and creating a foam is often overlooked in its importance to making FC It is however a very important aspect of the process, and if not done “correctly” it can go horribly wrong. The characteristics of the foam that make a “good” foamed concrete are: Stability, how long the foam keeps its bubbles.

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US20080000391A1 - Cement Slurry with Low Water to Cement ...

US20080000391A1 US11/765,739 US76573907A US2008000391A1 US 20080000391 A1 US20080000391 A1 US 20080000391A1 US 76573907 A US76573907 A US 76573907A US 2008000391 A1 US2008000391 A1 US 2008000391A1 Authority US United States Prior art keywords cement slurry blend water volume Prior art date 2006-06-29 Legal status (The legal status is an

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INCRA – Master the Moisture

INCRA designs and produces liquid and cream products to protect all kind of mineral substrates, like masonry, concrete, natural stone, render and so on. They are generally damp-open, water repellent and/or oil- and stain-repellent. INCRA impregnation agents are distinctive and extraordinary in their functioning due to the in-house RD. We go down to a raw material level to compose products ...

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The 23 types of Concrete Admixtures(Additives)used in Concrete

Concrete admixtures refer to the components of concrete that are added immediately before or during the mixing process, except for Portland cement, water and aggregates. Concrete admixtures can improve concrete quality, manageability, accelerate or delay setting time and other properties, and can achieve specific effects by changing these properties.

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What is the best available foaming agent for making foamed ...

Types of foam agents Foam agents can be divided into classes, Synthetic surfactants (such as sodium dodecyl sulfate) made from petroleum products Protein-based sodium and potassium salts of fatty acids (alkyl carboxylic acids), such as lauric and ...

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DOWSIL IE 6686 Water Repellent - Dow Chemical Company

If calculated to cement mass, an addition level of DOWSIL IE 6686 Water Repellent between 0.4 and 1.0% vs cement is advised. Tested as integral water repellent in EN1 196-1 mortar, addition of 0.25% DOWSIL IE 6686 Water Repellent vs dry mortar weight was shown to have limited impact on mechanical properties.

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