CAJ | 학술논문

为解决岩溶地区公路建设面临的工程技术、环境保护和可持续发展等诸多难题,通过大量调研分析、室内外试验、理论分析和数值计算,对岩溶地区公路建设中地质勘察、基础稳定性评价、筑路材料资源利用、工程病害处治和岩溶环境保护等五大方面的关键技术进行系统研究.开发了隐伏溶洞顶板变形监测技术与装置,隐伏溶洞精细探测技术,建立岩溶地区公路工程综合勘察技术体系;提出含隐伏溶洞地基公路路基稳定性评价方法、桥基承载力确定新方法;揭示岩溶水作用下路基变形破坏机理,提出相应公路岩溶病害防治技术;研发了路面抗滑耐磨材料、机制砂高性能混凝土;提出岩溶生态环境影响评价方法、公路路域植被变化规律,研发了岩溶水污染控制技术与处理设施等.
위해결암용지구공로건설면림적공정기술、배경보호화가지속발전등제다난제,통과대량조연분석、실내외시험、이론분석화수치계산,대암용지구공로건설중지질감찰、기출은정성평개、축로재료자원이용、공정병해처치화암용배경보호등오대방면적관건기술진행계통연구.개발료은복용동정판변형감측기술여장치,은복용동정세탐측기술,건립암용지구공로공정종합감찰기술체계;제출함은복용동지기공로로기은정성평개방법、교기승재력학정신방법;게시암용수작용하로기변형파배궤리,제출상응공로암용병해방치기술;연발료로면항활내마재료、궤제사고성능혼응토;제출암용생태배경영향평개방법、공로로역식피변화규률,연발료암용수오염공제기술여처리설시등.
To solve many challengeable problems such as engineering techniques, environment protection and sustainable development, etc.encountered in highway construction in karst areas, the key techniques including engineering geological survey, evaluation on highway foundation stability, utilization of pavement materials, treatments for karst diseases and environmental protection were studied comprehensively by massive investigation, experiments, field tests, theoretical analysis and numerical simulation.The in-situ technique and devices to monitor the deformation of underground cavity roof rock, the precise investigation techniques for underground cavity, and the systemic geological survey techniques for road engineering in karst areas were developed.The methods to evaluate the stability of subgrade which contains karst cavity and to determine the bearing strength of the bridge pile under karst cavity were addressed.The deformation damage mechanism of embankment caused by karst water was revealed and corresponding treatment techniques were proposed.The anti-skid pavement aggregates and high performance concrete mixed with manufactured sand were developed.The methods for environmental impact assessment, the change regularity of vegetation close to highway, and treatment techniques and equipments for karst water pollution were proposed.