Results 21 to 30 of about 98,659 (257)

Mortars and plasters—how to manage mortars and plasters conservation [PDF]

open access: yesArchaeological and Anthropological Sciences, 2021
AbstractThe use of mortars and plasters has been widespread in many cultures for thousands of years and these materials are found in the vast majority of built cultural heritage. They play a crucial role in the preservation of immovable heritage and must be taken into great consideration when conserving historical buildings.
Marta Caroselli   +2 more
openaire   +1 more source

Experimental Research into the Repair of High Temperature Damage to Cement Mortar Samples Using Microbial Mineralization Technology

open access: yesApplied Sciences, 2023
Experiments such as microbial activation culture, subculture selection, and fire damage repair of cement mortar specimens were conducted to investigate the repairing effect of Sporosarcina pasteurii as a repair agent for fire-damaged cracks in cement ...
Teng Zhao, Hongxiu Du, Linhao Wang
doaj   +1 more source

Inhibition of Cracks on the Surface of Cement Mortar Using Estabragh Fibers

open access: yesAdvances in Materials Science and Engineering, 2013
The influence of adding Estabragh fibers into the cement composites of mortar on surface cracks and mechanical properties of mortar has been studied at various fiber proportions of 0.25%, 0.5%, and 0.75%.
Tahereh Soleimani   +3 more
doaj   +1 more source

Effect of white soil substitution on fly ash based mortar geopolymers with sodium hydroxide activator

open access: yesMedia Komunikasi Teknik Sipil, 2020
The presence of white soil in a geopolymer mortar affects the physical and mechanical properties of the mortar itself, especially in compressive strength, density and modulus of elasticity produced. Geopolymer mortar composed of fly ash, sand, water, and
Yulita Arni Priastiwi   +3 more
doaj   +1 more source

High-Performance Grouting Mortar Based on Mineral Admixtures

open access: yesAdvances in Materials Science and Engineering, 2015
A study on high-performance grouting mortar is reported. The common mortar was modified by mineral admixtures such as gypsum, bauxite, and alunite. The effects of mineral admixtures on the fluidity, setting time, expansion, strength, and other properties
Cong Ma   +4 more
doaj   +1 more source

Influence of superplasticizer on workability and strength of ambient cured alkali activated mortar

open access: yesCleaner Materials, 2022
Alkali activated materials contain aluminosilicates, which can be used for building with a low environmental impact by repurposing waste resulting in cost-effective construction.
Elsa Paul
doaj   +1 more source

Research on the dynamic mechanical properties of cement emulsified asphalt mortar for high-speed railway: A review [PDF]

open access: yesAIP Advances
Cement emulsified asphalt mortar (CA mortar), as one of the key structural layers of slab ballastless track for high-speed railways, consists of cement, emulsified asphalt, sand, water, and appropriate additives, etc., which plays the roles of adjusting,
Hao Xu   +4 more
doaj   +1 more source

Analisis Jenis Dan Dimensi Pasir Pembentuk Material Mortar Terhadap Konduktivitas Panas Efektif

open access: yesTeknik, 2023
Pelat penyerap panas radiasi matahari merupakan komponen utama pada aplikasi solar still. Pelat penyerap sirip dari material mortar berfungsi sebagai penyerap panas, mentransfer panas dan media evaporasi. Pada pelat penyerap sirip dengan material mortar,
Nova Risdiyanto Ismail   +3 more
doaj   +1 more source

Steel–Mortar and Flexural Mortar–Mortar Bond Strengths of Metakaolin‐Based Geopolymer

open access: yesEngineering Reports
This research examines the interfacial bond strength of metakaolin‐based geopolymer mortar across two key connections: flexural mortar–mortar and steel–mortar.
Amira A. K. Hachem   +3 more
doaj   +1 more source

Effects of Erosion Form and Admixture on Cement Mortar Performances Exposed to Sulfate Environment

open access: yesCrystals, 2020
The effects of the admixtures, erosion age, concentration of sulfate solution, and erosion form of sulfate attack on the mechanical properties of mortar were investigated.
Peng Liu, Ying Chen, Zhiwu Yu
doaj   +1 more source

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