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首页 > 过刊浏览>2024年第47卷第10期 >25-36. DOI:10.11835/j.issn.1000.582X.2024.10.002
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多尺度纤维增强乐山大佛修复材料的性能研究
作者:
作者单位:

1.1a复旦大学，文物与博物馆学系，上海 200433;2.1b复旦大学，华古籍保护研究院，上海 200433;3.乐山大佛石窟研究院，四川 乐山 614099

作者简介:

王奕（1998—），女，博士研究生，主要从事石质文物保护材料方向的研究，（E-mail）ebanwang@163.com。

通讯作者:

王金华，男，教授，博士生导师，主要从事石窟寺与土遗址保护研究方向的研究，（E-mail）jinhuawang@fudan.edu.cn。

基金项目:

国家重点研发计划（2021YFC1523400）；重庆市技术创新与应用发展专项重点项目（CSTB2022TIAD-KPX0095）。


Properties of multi-scale fiber reinforced restoration materials for Leshan Giant Buddha
Author:
Affiliation:

1.1aa. Department of Cultural Relics and Museology, Fudan University, Shanghai, 200433, P. R. China;2.1bChinese Academy of Ancient Books Protection and Research, Fudan University, Shanghai, 200433, P. R. China;3. Leshan Giant Buddha Scenic Area Grottoes Research Institute, Leshan, Sichuan614099, P. R. China

Fund Project:

Supported by the National Key R&D Program of China (2021YFC1523400) and the Special Key Project for Technological Innovation and Application Development in Chongqing(CSTB2022TIAD-KPX0095).

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    摘要:

    混合捶灰是乐山大佛修缮中使用的一种兼具气硬性与水硬性的修复材料。为解决大佛头面部等多处的修复材料受赋存环境影响而出现的开裂、剥落等问题，采用黄麻纤维（hemp fiber，HF）和碳酸钙晶须微纤维（carbonate whisker fiber，CWF）复掺的方式对其进行增强。结果表明，HF在提升材料抗折强度方面的表现优于CWF，而CWF的掺入则有效提升了材料韧性和劈裂抗拉强度，二者复掺能够取得综合性的增强效果。28 d时，复掺试件的抗折强度较未掺杂时最大提升程度为35.73%，劈裂抗拉强度最大提升程度为20.88%，均高于对应掺量的单掺组试件。此外，复掺组试件在耐水性和耐酸性测试中的表现优于对照组和单掺组，这表明多尺度纤维复掺的方法有助于实现材料强度与耐候性的综合提升。

    Abstract:

    Mixed hammered ash, with both hydraulic and air hardening properties, was used in restoring Leshan Giant Buddha. To solve the problems of cracking and peeling in the Buddha’s head and face caused by environmental factors, hemp fiber (HF) and calcium carbonate whisker fiber (CWF) were added to enhance the material. Results show that HF outperforms CWF in improving flexural strength, while adding CWF effectively enhances toughness and tensile strength. The combination of the two achieves a comprehensive strengthening effect. After 28 days of curing, composite specimens show a 35.73% increase in flexural strength and 20.88% in tensile strength, outperforming single-doped groups and showing better water and acid resistance. This multi-scale fiber composite method achieves a comprehensive improvement in material strength and weather resistance.

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王奕,张宏斌,杨天宇,王金华.多尺度纤维增强乐山大佛修复材料的性能研究[J].重庆大学学报,2024,47(10):25-36.

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  • 收稿日期:2023-12-29
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