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高陡濒倾土遗址边坡加固后的变形行为

张景科 谌文武 和法国 孙冠平 郭青林

文物保护与考古科学2012,Vol.24Issue(1):56-61,6.
文物保护与考古科学2012,Vol.24Issue(1):56-61,6.

高陡濒倾土遗址边坡加固后的变形行为

Deformation of crumbling high, steep earthen slope of cultural heritage after conservation

张景科 1谌文武 2和法国 2孙冠平 2郭青林3

作者信息

  • 1. 兰州大学西部灾害与环境力学教育部重点实验室,甘肃兰州730000/兰州大学土木工程与力学学院,甘肃兰州730000/敦煌研究院古代壁画保护国家文物局重点科研基地,甘肃敦煌736200
  • 2. 兰州大学西部灾害与环境力学教育部重点实验室,甘肃兰州730000/兰州大学土木工程与力学学院,甘肃兰州730000
  • 3. 敦煌研究院古代壁画保护国家文物局重点科研基地,甘肃敦煌736200/敦煌研究院保护所,甘肃敦煌736200
  • 折叠

摘要

Abstract

Conservation of steep earthen slope sites is different from that of common earthen slopes.For high,steep slope in danger of crumbling,the most common treatment is to remove part of the tip and to patch the base.However,an important aim of protecting earthen slopes of cultural heritage interest is to preserve their current appearance,so conservation of such sites poses some special problems.The process of deformation of steep earthen slopes has some unique characteristics.An automatic deformation monitoring instrument with an accuracy of 0.01 mm was installed at the Nanrui dam in the 51-3 sub region of the Jiaohe ruins to gather real-time data on a conserved earthen slope that is in danger of crumbling.Analysis of the data obtained revealed the characteristics of the deformation and the evolutionary process of this deformation.The results indicate that the conserved slope deforms nonlinearly.Parts of the slope change normally and steadily,and other parts deform abnormally and rapidly.Deformation trends could also be observed,namely,periodical vibration deformations and random deformations.The research is of importance for the evaluation of enhancement of similar earthen slope sites.

关键词

高陡濒倾/土遗址边坡/变形行为/非线性/周期性/随机性

Key words

Toppling of high and steep slopes/Earthen slope site/Deformation behavior/Non-linear/Periodical/Random

分类

建筑与水利

引用本文复制引用

张景科,谌文武,和法国,孙冠平,郭青林..高陡濒倾土遗址边坡加固后的变形行为[J].文物保护与考古科学,2012,24(1):56-61,6.

基金项目

国家科技支撑计划资助 ()

古代壁画保护国家文物局重点科研基地课题资助 ()

文物保护与考古科学

OA北大核心CHSSCDCSSCI

1005-1538

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