Abstract

Abstract. Ancient architecture is one of the important historical and cultural heritage content, after many years trials and hardships, there will be a variety of diseases. To better protect the ancient architecture, we need to carry out a detailed investigation to detect and assess its structural safety and stability. Exploration of ancient architecture safety detection, need for an integrated comprehensive and detailed surveying and mapping means drawing detection map, using non-destructive detection techniques to check. We based on three-dimensional laser scanning, integrated utilization technology mapping, ground penetrating radar detection technology, stress wave scanning technology, visual quality and damage prospecting techniques to detect the safety situation in Beijing Bell and Drum Towers. We put forward reasonable suggestions for appropriate repair, on the basis of a variety modal analysis detected the structures, the status of Beijing Bell and Drum Towers safety were assessed. The detection process in this paper has better prospects for the future work that explores cultural heritage of ancient architecture repair detection and appropriate assessment.

Highlights

  • Beijing Bell and Drum Towers is one of Beijing's iconic buildings

  • We have collected Beijing Bell and Drum Towers’ related archival material, including aspects of architectural history, scientific research, value research, repair and reinforcement, testing, monitoring, evaluation and mapping, etc., and all data collected systematically collate and analysis to support a comprehensive inspection of the main building

  • Data collection and analysis is an important work of heritage protection and the study of ancient architecture, for the full structure and usage of Beijing Bell and Drum Towers is great significance

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Summary

INTRODUCTION

Beijing Bell and Drum Towers is one of Beijing's iconic buildings. It is the largest, highest of city bells and drums in the history. On the premise that it is harmless to the integrity of the building form and the safety of the structure after scientific argumentation, the micro damage detection technology is adopted to obtain the data information at least. For this reason, the collection Beijing Bell and Drum Towers’ Historical Preservation and Restoration basic data on the use of the most sophisticated current testing techniques and methods of analysis, carry out a comprehensive site survey as possible detection, in order to obtain the most accurate and reliable information on the status quo, to ensure proper repair recommendations comprehensive, detailed and accurate

DETECTION CONTENT ANALYSIS
Data collection and analysis
Comprehensive surveying and mapping
Detection material strength
Structure Appearance Quality inspection and exploration Injury
Three-dimensional scanning
Conservation recommendations
Mapping of the protected area
Three-dimensional laser scanning mapping of the main building
Three-dimensional laser point cloud data integration application
Brick intensity detection
Mortar strength detection
The relationship between test results and status quo preservation material
Masonry structural damage inspection
Wood structure appearance quality inspection and survey damage
Roof appearance quality inspection and survey damage
Stability calculation and analysis of the whole structure
Establish finite element model of the whole structure
Foundation survey
Effective stress calculated structure Earthquakes
Calculation of load cases
Dynamic characteristics Modal analysis of the structure
Results of the analysis
City platform masonry structural member ratings
Evaluation of the roof structure
The recent focus on conservation projects
Long-term conservation projects
CONCLUSION
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