Academic literature on the topic 'Lightweight masonry mortar'

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Journal articles on the topic "Lightweight masonry mortar"

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Semenov, Vyacheslav, Tamara Rozovskaya, and Dmitriy V. Oreshkin. "Properties of the Dry Masonry Mixtures with Hollow Ceramics Microspheres." Advanced Materials Research 860-863 (December 2013): 1244–47. http://dx.doi.org/10.4028/www.scientific.net/amr.860-863.1244.

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The article is devoted to the development of dry masonry mixtures on the basis of hollow ceramics microspheres. It considers the effect of the concentration of hollow ceramics microspheres of different size fractions in the masonry mortar on physical, mechanical and technological properties of the mortar. The optimum compositions of lightweight mortars with hollow microspheres were developed and their main properties were studied as well.
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Semenov, Vyacheslav. "Properties of lightweight dry masonry mixtures for winter conditions." E3S Web of Conferences 135 (2019): 03026. http://dx.doi.org/10.1051/e3sconf/201913503026.

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The construction of building envelopes using effective small-piece elements requires the use of lightweight masonry mortars, obtained, as a rule, from dry mixtures. One of the most effective ways to obtain such mortars is the introduction of hollow ceramic microspheres into their composition as a lightweight filler. For the climatic conditions of the Russian Federation, it is relevant to use dry masonry mixtures in the winter version, which gain strength at negative temperatures. The main purpose of this work was the development of optimal compositions of modified dry masonry mixes with hollow
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Semenov, Vyacheslav. "Structure and properties of masonry mortars based on ceramic microspheres." MATEC Web of Conferences 251 (2018): 01045. http://dx.doi.org/10.1051/matecconf/201825101045.

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Modern requirements in the field of energy and resource saving determines the need to apply effective fencing structures. To ensure the thermal homogeneity of the structures erected with small-piece masonry elements (ceramic and light-weight concrete units etc.), it is necessary to use lightweight mortars. One of the most effective methods to obtain such mortars is the introduction of hollow ceramic microspheres as a filler into their composition. The purpose of this work is studying of the composition and structure of a cement masonry mortar with hollow ceramic microspheres and modifying addi
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Ali, Hassan M. Hassan, Koh Heng Boon, Rasheed Altouhami, Ng Wei Shen, Ashraf Radwan, and Mundr Mansur. "Analysis of the Effect of Adding Sandy Clay into Cement Mortar on the Bending Strength of Built-Up Masonry Prisms." Advanced Engineering Forum 31 (February 2019): 26–37. http://dx.doi.org/10.4028/www.scientific.net/aef.31.26.

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Mortar is a workable paste essential in civil and building construction. Mortar works as binding material extensively use for masonry unit in construction. The global consumption of natural sand is very high, due to the extensive use of concrete or mortar. Natural sand deposits are being depleted and causing a serious threat to the environment as well as the society. Sandy clay has been widely use in preparing the mortar for masonry work. The aim of this research was to study the bending strength of built-up masonry prism using sandy clay mortar. There were two series of mortar containing 0% a
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Askouni, Paraskevi D., Catherine Corina G. Papanicolaou, and Michael I. Kaffetzakis. "TRM-to-Masonry Bond under Elevated Temperatures: Lightweight versus Normalweight Matrices." Key Engineering Materials 817 (August 2019): 167–73. http://dx.doi.org/10.4028/www.scientific.net/kem.817.167.

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In the last decade, Textile Reinforced Mortar (TRM) systems have increasingly been gaining ground as a means of strengthening damaged or seismically deficient masonry structures, in addition to counterpart reinforced concrete ones. The existing experimental data on the behavior of TRM materials (used as externally bonded reinforcement on masonry – or concrete – substrates) under elevated temperatures still remains scarce. This work aims at enriching the existing data on the influence of elevated temperatures on the TRM-to-masonry bond conditions. The applied TRM systems consisted of a cementit
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Gadea, Jesús, Miguel Angel Salas, Sara Gutiérrez-González, A. Rodríguez, Matthieu Horgnies, and Verónica Calderón. "Permeability and Porosity on Lightweight Mortars Fabricated with Polyamide Powder Wastes." Advanced Materials Research 687 (April 2013): 527–31. http://dx.doi.org/10.4028/www.scientific.net/amr.687.527.

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This paper presents the results obtained in the production of lightweight mortars where different amounts of sand were replaced by polyamide powder wastes. The characterization of the materials obtained was carried out in fresh and hardened state, considering especially the vapor permeability and micro and macroporosity properties. It has been found that the progressive increase of polymer influences the behavior of the mortar, increasing the water vapour permeability as well as the total porosity of the material, which carried on a decrease in the density of the composites fabricated. These r
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Tang, Chao Wei, Kuo Haung Fan, Wen Po Tsai, and How Ji Chen. "Properties of Lightweight Concrete Masonry Units Made from Lightweight Aggregates." Advanced Materials Research 150-151 (October 2010): 1588–94. http://dx.doi.org/10.4028/www.scientific.net/amr.150-151.1588.

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In the paper the properties of concrete masonry unit (CMU) made from sedimentary lightweight aggregate (LWA) were investigated. The main variables include water to cementitious material ratio (W/CM), filling ratio of paste or mortar in voids between coarse aggregate particles (Fv), filling ratio of sand in mortar (Fm), and cement replacement level by slag (Sc). Test results of representative CMU specimens show that unit weight ranged from 1585 to 1743 kg/m3, which was 30-25% lower than that for a normal weight CMU (2300 kg/m3); compressive strengths ranged from 8.4 to 18.7 MPa; water absorptio
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Askouni, Paraskevi D., Catherine (Corina) G. Papanicolaou, and Lazar Azdejkovic. "Experimental Investigation of the TRM-to-Masonry Bond after Exposure to Elevated Temperatures: Cementitious and Alkali-Activated Matrices of Various Densities." Materials 15, no. 1 (2021): 140. http://dx.doi.org/10.3390/ma15010140.

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Limited research has focused on the effect of high temperatures on the textile-reinforced mortar (TRM)-to-masonry bond. In this study, masonry prisms that were furnished with double-layered TRM strips were tested under shear bond conditions after their exposure to 200 °C and 400 °C for 1 h using the single-lap/single-prism setup. A total of four TRM systems were applied sharing the same type of textile –a dry AR glass fiber one– and different matrices: two cementitious matrices, namely a normal-weight (TRCNM) and a lightweight (TRCLM) one, and two counterpart alkali-activated matrices (TRAANM
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Trad, Ayman, Hassan Ghanem, Nivine Abbas, and Ziad Hamdan. "THIN LAYER CONCRETE BLOCKWORK IN COMPRESSION: AN EXPERIMENTAL ANALYSIS." Engineering Structures and Technologies 7, no. 2 (2015): 91–96. http://dx.doi.org/10.3846/2029882x.2015.1115377.

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The compressive strength of concrete block masonry is dependent upon the unit compressive strength, the type of unit, the mortar and the form of masonry construction (Mirza et al. 1995). The design codes allow masonry compressive strength to be established (or better: estimated) by calculation, from tests, or from tabulated values. In this way the current European masonry standard EN 1996: Part 1-1 (LST EN 1996-1-1) tabulates the masonry strength for concrete blocks with thin layers of mortar. In France, doubts exist on the validity of these tabulated values for the blocks made with lightweigh
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Vyšvařil, Martin, Libor Topolář, and Richard Dvořák. "Acoustic insulation properties of lime mortars with natural lightweight aggregate." MATEC Web of Conferences 282 (2019): 02075. http://dx.doi.org/10.1051/matecconf/201928202075.

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Porous pozzolan-active aggregate can be used to prepare lightweight lime mortars with high ability to salt accumulation from masonry, enhanced strengths and improved their acoustic and thermal insulation properties, or fire resistance. In this study, the effect of 3 types of natural lightweight aggregate on acoustic insulation properties of air lime mortars, NHL mortars, and cement-lime mortars has been investigated. Measurements of the signal attenuation in the frequency range of 16 Hz to 16 kHz showed the appreciable effect of binder and aggregate used in the mortars. Pumiceous aggregate cau
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Book chapters on the topic "Lightweight masonry mortar"

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İsmail Tosun, Yıldırım. "Microwaved Flux Matter- Char Sand Production of Waste Coal Char/Biochar/Gypsium Ash and Fly Ash Mixtures for Mortar- Fire Retardent Composite." In Biochar - Productive Technologies, Properties and Application [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.101559.

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Fire inhibiting materials as cement filler are used in mortar constructions especially using gypsium board, similar isolator mortars. The mortar covered char and ash sand mixtures insulate heat and reduce fire blazing activity. Ytong, or porous briquettes and clay is the world’s most popular insulating construction material retarding blaze due to its porous durability, processability, and cost. However, producing concrete or mortar with high isolation with HD styrene panels is insulating the structure, protecting the cement board against flammable fire risk. Slag-type masonry requires high hea
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Conference papers on the topic "Lightweight masonry mortar"

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Rajapaksha, T. D. C. M., I. E. Ariyaratne, and C. Jayasinghe. "Investigating residual properties of masonry units at elevated temperatures." In Civil Engineering Research Symposium 2024. Department of Civil Engineering, University of Moratuwa, 2024. http://dx.doi.org/10.31705/cers.2024.35.

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Masonry structures are renowned globally for their strength, durability, affordability, and thermal and sound insulation properties. However, there is limited information on the residual properties of masonry units after exposure to elevated temperatures. This research addresses the aforementioned gap by investigating the residual properties of four representative masonry units; clay bricks, concrete blocks, compressed stabilized earth blocks and lightweight foam blocks. The study aimed at determining variations in physical and mechanical properties, including visual appearance, density, and c
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Amina, Djoudi. "Physico-mechanical Properties of Sustainable Building Material Based Gypsum and Recycled Polyethylene Waste." In The 2nd International Conference on Civil Infrastructure and Construction. Qatar University Press, 2023. http://dx.doi.org/10.29117/cic.2023.0183.

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The economic focus in the building sector is on lightweight materials. Recycled polyethylene particles coming from plastic botteles waste can ensure this lightness and can solve not only technical problems, but also produce economic and environmental benefits. Different polyethylene particle proportions of 5,10,15,20 and 25% were introduced in gypsum mortar in order to characterize its physical and mechanical properties. Results proved the positive effect of the introducing of PET particles in the matrix of gypsum mortar, the lightening of this material but a decrease of mechanical properties
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LI, JIN-MING, WEN-MIN YAN, SHU WANG, DA-BIN LU, and RUI-MIN MAI. "EXPERIMENTAL INVESTIGATION ON PENETRATION OF MASONRY WALL BY LARGE CALIBER RIFLE BULLET." In 32ND INTERNATIONAL SYMPOSIUM ON BALLISTICS. Destech Publications, Inc., 2022. http://dx.doi.org/10.12783/ballistics22/36189.

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To study the law of penetration action of small high-speed projectiles into the wall, three kinds of large caliber rifle projectiles were used to conduct armor penetration tests on the masonry walls, in which a mortar layer was applied inside and outside of the masonry wall, and the masonry was clay bricks and autoclaved aerated concrete blocks, respectively. High-speed photography of the impact velocity, residual velocity and motion attitude of the projectile, damage pattern, size and penetration process of the target body were obtained. Through the analysis of the kinetic energy loss ratio o
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Wijayarathna, Y. A. D. K. H., and M. T. R. Jayasinghe. "Application of load bearing cement hollow block walls for multi storey housing." In Civil Engineering Research Symposium 2024. Department of Civil Engineering, University of Moratuwa, 2024. http://dx.doi.org/10.31705/cers.2024.23.

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The economic challenges facing Sri Lanka have highlighted the need for affordable housing solutions. This study investigates the viability of load-bearing hollow block walls within a hybrid construction system for multistory residential buildings, utilizing precast slab panels and concrete hollow blocks as lightweight construction materials. The study aims to redefine traditional construction practices and propose an economically viable approach. Structural analysis was conducted using the “Manual for the Design of Plain Masonry in Building Structures to Eurocode 6”, to evaluate the load-beari
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