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1

“... Risk Preparedness, Nepal, Built Heritage, Natural Hazards, Capacity-Building, Digital Workflows for Heritage Conservation, 3D Imaging, Georadar, Photogrammetry, Electronic Distance Measurements (EDM), Computer-Aided Drawing. ABSTRACT: On 25 April 2015, the Gorkha earthquake of magnitude 7.8, severely damaged the cultural heritage sites of Nepal. In particular, the seven monument zones of the Kathmandu Valley World Heritage Site suffered extensive damage. Out of 195 surveyed monuments, 38 have completely collapsed and 157 partially damaged (DoA, 2015). In particular, the world historic city of Bhaktapur was heavily affected by the earthquake. There is, in general, a lack of knowledge regarding the traditional construction technology used in many of the most important temple monuments in Bhaktapur. To address this limitation and to assist in reconstruction and rehabilitation of the area, this study documents the existing condition of different historic structures in the Kathmandu Valley...”
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“...temple, destructive evaluation of the structure to determine material properties was not possible. Therefore, any analysis must rely on qualitative observation of material condition and damage and literature on the strength and material properties from similar structures. A bounded analysis will provide a range of structural behaviour based on a likely range of material properties. To assess future performance, a seismic structural investigation of the tallest temple in Nepal, the Nyatapola temple in Bhaktapur, will be conducted. This temple survived the earthquake well with some minor damage to the upper tiers of the temple; however, it is not clear what the exact extent of the existing damage is, why this temple was resistant to collapse, or how the temple will perform in a potential fixture earthquake. One primary goal of this investigation is to determine what aspects of the traditional construction technology are present and had a positive influence on the seismic resistance of the...”
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“...without major damage. It is clear that the study of this monument and its traditional construction technology has significant consequences for the seismic performance of other structures in the valley and equally important to digitally record structure before any other catastrophic disaster. The other major structure studied in Taumadhi Square is the Bhairavnath Temple on the eastern side, which is a three-tier temple with a rectangular footprint. In addition to the Taumadhi Square, recording, documentation and non-destructive evaluation studies were conducted at historic sites throughout the Kathmandu Valley, including Bhaktapur Durbar Square (Vatsala Temple and Big Bell), Dattatreya Square (Pujari Math), and Kathmandu Durbar Square (Maju Dega Temple and Jaisi Dega Temple). During this fieldwork, the project team has worked closely with the Nepal Department of Archaeology, the UNESCO office in Kathmandu, the Bhaktapur Municipality, the Nepal National Society for Earthquake Technology (NSET)...”
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“...2004). Two major features of this remarkable construction are the nse of a higher plinth and no internal floors above the first-floor level forming open well type structure (Figure 9,10). inwards from the level below, i.e., the outer edge of the upper wall is aligned roughly with the center of the wall below. The walls of each level were constructed just above timber beams. 3.2.2 Recording of existing damage condition Major damage is concentrated in upper tier of structure and wall was found to be partially collapsed. The upper tier was recorded to be collapsed in previous 1934 AD earthquake as well and which is reconstructed later on. A major renovation was done during 1996 AD by Bhaktapur Municipality in which majorly roof was repaired wooden post in the upper tier was replaced after founding it was decayed (Figure 11) (Bhaktapur, 1998). This also suggests that there may be the presence of the timber element inside walls in below level as well. Gauss: mean = 0.002941 / std.dev. = 0.004273...”
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“...the interior wall, and exterior photogrammetry. AtTaumadhi Square: • Bhairavnath Temple - Complete georadar evaluation of the walls, laser scanning of the interior and exterior, terrestrial and aerial photogrammetry, ambient vibration dynamic analysis. 5. CONCLUSION The research aims to contribute to the conservation process for the historic buildings in Bhaktapur, Nepal which suffered damage in the 2015 earthquake. The outcome of research addresses the important difficulties related to the preparation of existing condition drawings, acquisition of data on material properties, internal morphology and damage, and determination of structural load paths. In this study, an existing methodology for digital recording is implemented for recording heritage structure of Kathmandu Valley and comparative studies were made. This will contribute towards adaptation of the sustainable recording methodology suitable for the Kathmandu Valley Heritage. Furthermore, uncertainty related with timber structure...”
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“...Ford, M.C., Sonic, electromagnetic & impulse radar investigation of stone masonry bridges, J. Non Destructive Testing and Evaluation International, Vol. 30, No. 4, pp. 249-254, 1997. DOA 2015, Preliminary list of affected monuments by the Earthquake on 25 April 2015, Department of Archaeology, Nepal. ICOMOS, 1965. International charter for the conservation and restoration of monuments and sites (The Venice charter 1964). International Council on Monuments and Sites. ICOMOS, 1996. Principles for the Recording of Monuments, Groups of Buildings and Sites (1996)., (October). Shrestha, Sukra S., 2005. Research Note Work Index ofNytapola Temple. Contribution to Nepalese study. Vol 32. No. 2. 267-275 Schuller, Michael P., 2003. Nondestructive testing and damage assessment of masonry structures. Progress in Structural Engineering and Materials 5.4: 239-251. Vaidya. Janak. L. 2004. Siddhagni Kotyahuti Devala Pratistha Wiesner. U., 1978, Nepalese Temple Architecture: Its characteristics and its relations...”