From Ancient Techniques to Modern Solutions: In Situ Synthesis of C-S-H for Sandstone Conservation. [PDF]
Adv Sci (Weinh)Herein, this work presents a paleo‐inspired approach to synthesizing and optimizing C‐S‐H‐based grouting mortars for conserving the sandstone of Beishan Grottoes, Dazu Rock Carvings, China. By achieving an optimal recipe compatible with natural sandstone, this work demonstrates the pivotal role of hydrogen bonding in the adhesion between C‐S‐H mortars ...
Jia M +9 more
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Application of FOSM and Chebyshev’s Theorem Concept to Predict Compressive Strength Attributes of Corncob Ash Embedded Cement Concrete [PDF]
Computational Engineering and Physical Modeling, 2020 In the present study the physical and mechanical properties of Corn Cob Ash (CCA) embedded cement concrete of mix proportions 1:1.6:2.6 and water-cement ratios of 0.45 were examined and compared with conventional cement concrete.
B S Keerthi Gowda, M S Dakshayini
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Residual capability of alkali binding by hydrated pozzolanic cements in long-service concrete structures [PDF]
, 2018 An experimental procedure was developed and applied to cement pastes made with two different pozzolanic cements (CEM IV/B (P) and CEM IV/B (V)) in order to ascertain the existence of a residual capability of alkali binding by long-term hydrated ...
Antonio Evangelista Paolini, And +2 more
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An Experimental Study on the Effect of Water on Historic Brickwork Masonry [PDF]
, 2020 Architectural heritage is deeply threatened by extreme weather events due to ongoing climatic change. Since these phenomena are becoming more and more serious, their effects cannot be neglected when a reliable assessment of a historic masonry structure ...
Corradi, Marco +2 more
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Effect of adding natural pozzolana on geotechnical properties of lime-stabilized clayey soil
Journal of Rock Mechanics and Geotechnical Engineering, 2016 Clayey soils in Syria cover a total area of more than 20,000 km2 of the country, most of which are located in the southwestern region. In many places of the country, the clayey soils caused severe damage to infrastructures.
Aref al-Swaidani +2 more
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Performance of Italian zeolitic tuffs and pozzolana in 2-chlorophenol removal from contaminated groundwater. Lab-scale experience [PDF]
, 2008 The physical and chemical properties of zeolites and the availability of localized deposits of naturally occurring zeolitized tuffs and pozzolana, make them desirable for and applicable to the remediation of contaminated groundwater. This paper documents
BONI, Maria Rosaria +2 more
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Case Studies in Construction Materials, 2018 The present research aimed to study the combined effects of natural pozzolana and curing on the compressive and flexural strengths of mortars; it also investigated the chloride permeability of concrete.
M. Elbar +4 more
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Coupled Effect of temperature and additions on the rheological behavior of concrete equivalent mortars (CEM) [PDF]
MATEC Web of Conferences, 2020 The aim of this work is to study the influence of mineral additions on the rheological behavior of low impact environmental concrete with its concrete equivalent mortar (CEM) at different temperatures.The experimental study is carried out on cement-based
Dada El Hadja +3 more
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Compressive Strength of Volcanic Ash/Ordinary Portland Cement Laterized Concrete [PDF]
, 2010 This study investigates the effect of partial replacement of cement with volcanic ash (VA) on the compressive strength of laterized concrete. A total of 192 cubes of 150mm dimensions were cast and cured in water for 7, 14, 21, and 28 days of hydration ...
Olawuyi, B. J, Olusola, K. O
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Modeling the cementitious effect of the Pozzolana on the compressive strength of concrete
Cogent Engineering, 2018 The natural Pozzolana is a siliceous material (SiO2) that reacts with the calcium hydroxide Ca(OH)2 produced during the hydration period of the cement; this inherent feature increases the cementitious property of the grout and improves the compressive ...
Afif Rahma, Haifaa Jomaa
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