Lime is one of the oldest construction material and it shows greater durability properties. The main aim of the study is to analyse the organic modified lime mortars used as bedding and plastering mortar at Sacred Groves, Auroville Pondicherry, India. Locally available organics namely kadukai (Terminalia chebula) and jaggery (Unrefined sugar) were used to alter the properties of lime based mortars as added by ancestors in traditional buildings. Organics on fermentation reduce to carbon - di - oxide and enhances the formation of calcite and alters the hydrated phases and mechanical properties of lime mortar. Lime and quarry dust in the ratio of 1:3 with fermented herbal extract were casted and tested for compressive, flexural strength. Organic modified mortars shown better performance than reference mortars. Analytical techniques XRD, FESEM with EDX and FT-IR were undergone to study hydrated phases, morphology and presence of organics. © 2019, RILEM.

Thirumalini S

Department of Structural and Geotechical Engineering

School of Civil Engineering

Vellore Campus

Pradeep S

Vellore Institute of Technology (VIT) is a private university located in&nbsp;Tamil Nadu, India. Founded in 1984, as Vellore Engineering College, the institution offers 20 undergraduate, 34 postgraduate, four integrated and four research programs. It has campuses in Vellore, Amravati, Bhopal and Chennai.

VIT is one of the top ranked private universities in India according to NIRF, THE and QS Rankings.&nbsp;Govt. of India has recognized&nbsp;VIT, Vellore as an&nbsp;Institution of Eminence. This has allowed VIT to take independent quality initiatives and move up in world ranking.

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VIT University

Production of Organic Lime Mortar to Adapt CO 2 for Construction of Scared Groves @ Auroville, Puducherry, India

RILEM Bookseries Structural Analysis of Historical Constructions

In the present study, lime mortar samples from the restoration site of Vadakumnathan temple, Kerala, India have been analyzed. Samples from three different locations of the temple such as ancient wall, gopuram and arch have been taken. Traditional methods such as chemical analysis, acid loss analysis and organic test were conducted on mortar samples. Modern instrumental techniques such as electronic particle size distribution, X-ray Diffraction (XRD), scanning electron microscopy coupled with energy dispersive X-ray spectroscopy (SEM/EDX), Thermo Gravimetric Analysis (TGA), Differential Thermal Analysis (DTA) and Infrared Spectroscopy (FT-IR) were employed in the study. The binder used in the mortar is calcium high with 30% of clay mineral. A binder to aggregate ratio in the range of 1:1.5-2.5 has been established from acid loss analysis. Particle of the aggregate are mostly silt in nature, hence nominal sand would have been grinded to reduce the particle size and to induce pozzolanic reaction. The presence of carbohydrate, protein and fats are identified by organic test that are in agreement with FT-IR analysis and TGA. Calcite, aragonite and calcium complexes of silicate and aluminates in form of hydro thermal product namely gyrolite and okenite are present in wall and gopuram samples. The formation of hydrothermal products confirms that the mortar was produced by hot lime technology. In TGA, the decomposition of CaCO3 to CO2 between 600 and 770 °C reveals the transformation of calcite from complex forms of CSH (gyrolite and okenite) and CAH. The presence of degraded products such as syngenite and gypsum in arch sample shows that the lime mortar is in complete deterioration where as mortar remained in good condition in gopuram and wall samples.Texture along with elemental analysis (EDX) confirms the results of chemical analysis. © 2015 Elsevier Ltd.

Journal of Building Engineering

Knowing from the past – Ingredients and technology of ancient mortar used in Vadakumnathan temple, Tirussur, Kerala, India

Cement and Concrete Research

A study of traditional blood lime mortar for restoration of ancient buildings

Bone, Antler, Ivory and Horn

Raw Materials

Construction and Building Materials

Durability of ancient lime mortars in humid environment

Hydrophobic lime based mortars with linseed oil: Characterization and durability assessment

Production of Organic Lime Mortar to Adapt CO2 for Construction of Scared Groves @ Auroville, Puducherry, India

Journal	Data powered by TypesetRILEM Bookseries Structural Analysis of Historical Constructions
Publisher	Data powered by TypesetSpringer International Publishing
ISSN	2211-0844
Open Access	0