嘉峪关野麻湾堡病害特征及保护研究

Diseases and Conservation for Yemawanbao of Jiayuguan Pass

野麻湾堡是嘉峪关城防体系的重要组成部分,具有重要的历史和科学价值。论文从现状调查入手,探讨了野麻湾堡的保存状况,指出堡址存在的主要病害有:裂缝、冲沟、酥碱、掏蚀、风化、剥落、坍塌及鸟类和人为破坏等,并对病害成因进行了初步分析。提出了夯土嵌补、锚杆加固、裂缝处理、PS渗透加固、排水治理、防人为破坏等保护措施和施工工艺,为下一步进行保护工作提供依据。

Yemawanbao,of important historical and scientific values,is integral to the defensive system of the Jiayuguan Pass.This study analyzes the state of conservation of the site,and points out its major diseases,including rapture,gulley,efflorescence,undercutting,weathering,exfoliation,collapse,and damages caused by birds or humans.After preliminary analysis of the causes to the diseases,the study suggests a few measuresin order to provide references for the next step of conservation,including restoration with rammed earth,consolidation with anchor arm,rupture treatments,PS reinforcement,water discharge and prevention of human damages.