Structural Protection of Ancient Masonry Pagodas Based on Modified Epoxy Resin Infiltration

Zhou, Yuan; Zhang, Fei; Wang, Sheliang

doi:10.14447/jnmes.v23i1.a03

Cited by 4 publications

(1 citation statement)

References 14 publications

(14 reference statements)

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“…Therefore, appropriate materials needed to be adopted in time, and reasonable measures were taken to reinforce the walls. The reinforcement must meet the principle of “replace the old for new” in restoring historical buildings 61 , 62 , and the original building layout and style should not be changed or damaged.…”

Section: Resultsmentioning

confidence: 99%

Experimental study on the properties of modern blue clay brick for Kaifeng People's Conference Hall

Bao

2021

Sci Rep

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This article presents building assessment research comprising on-site inspections, indoor scientific tests, and material performance studies on the wall blue clay bricks in the Kaifeng People’s Conference Hall, objectively developing an enhanced scientific understanding to renovate modern buildings. Using X-ray diffraction (XRD), scanning electron microscopy (SEM), alongside a parametric study of density, moisture content, water absorption, void ratio, frosting, compressive strength, and softening coefficient in assessing the material health of the blue clay bricks and it’s non-key parts, in developing “appropriate and compatible renovation” to repair contemporaneous buildings. The composition, pore characteristics, weathering degree, and mechanical properties of the blue clay brick samples were analyzed. These parameters showed that blue clay brick fired at less than 1000 °C; the main mineral composition as quartz, followed by albite, mica, and anorthite. Its density was 1.573 g/cm3, less than the 1.70 g/cm3 of ordinary clay brick. According to the standards, the water absorption was greater than that of regular sintered bricks by more than 18% and was slightly frosted. Compressive strength being less than MU10 did not meet the current design specifications for masonry. Its softening coefficient was between 0.70 and 0.85, but its water resistance was relatively good. The research results provide an essential reference for judging the health and longevity of modern buildings to achieve scientific guidelines for practical protection.

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Section: Resultsmentioning

confidence: 99%

Experimental study on the properties of modern blue clay brick for Kaifeng People's Conference Hall

Bao

2021

Sci Rep

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Compressive properties of traditional brick masonry with crack reinforced with GFRP bars embedded in the horizontal mortar joint

Xie,

Hao,

Zhang

et al. 2023

Journal of Building Engineering

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Seismic Response Analysis of Masonry Pagoda Considering SSI Effect and Study of New Material (CFRP) Reinforcement Scheme

Li,

He,

Ling

et al. 2024

Preprint

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As invaluable historical legacies, the preservation of ancient pagodas is of paramount importance, not only because they embody rich cultural significance but also due to their vulnerability in the face of natural disasters. Seismic reinforcement has become one of the key measures for the conservation of ancient pagodas. This study initially focuses on the Soil-Structure Interaction (SSI) effect, an often-neglected factor that is crucial to the seismic response of ancient pagodas. Through in-depth analysis, it has been discovered that the SSI effect significantly increases the risk of damage to ancient pagodas. To enhance the seismic performance of ancient pagodas, this research proposes a strategy for reinforcement using high-performance Carbon Fiber-Reinforced Polymer (CFRP) composite materials. Known for its lightweight, high-strength, and corrosion-resistant properties, CFRP offers an innovative solution for the structural reinforcement of ancient pagodas. By conducting a principal tensile stress analysis of the pagodas, the weak links have been identified, and targeted CFRP reinforcement has been implemented. The reinforced pagodas have shown a significant improvement in seismic performance, not only ameliorating the brittle failure characteristics of masonry structures but also effectively reducing the extent of tensile damage and prolonging the structural damage timeline. These findings indicate that CFRP reinforcement provides an effective new approach for the seismic reinforcement of masonry structures, with broad prospects for promotion and application.

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Structural Protection of Ancient Masonry Pagodas Based on Modified Epoxy Resin Infiltration

Cited by 4 publications

References 14 publications

Experimental study on the properties of modern blue clay brick for Kaifeng People's Conference Hall

Experimental study on the properties of modern blue clay brick for Kaifeng People's Conference Hall

Compressive properties of traditional brick masonry with crack reinforced with GFRP bars embedded in the horizontal mortar joint

Seismic Response Analysis of Masonry Pagoda Considering SSI Effect and Study of New Material (CFRP) Reinforcement Scheme

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