CAJ | 학술논문

某高速公路K103+240～580段以路堑边坡形式通过，前缘开挖坡度较大，造成前缘边坡侧岩土体变薄，形成有利的前缘临空剪出条件，致使滑坡失稳。为此提出了在合理的削坡下，采用“重力式抗滑挡墙+框架锚索”的联合支护方案。通过geo-studio数值模拟软件探讨了边坡的稳定性和支护方案的效果。结果表明：边坡稳定性系数为0.665，处于不稳定状态；合理的削坡急剧减少了滑面上方的土体质量，致使坡面附近应力应变明显降低，一定程度上控制住了滑坡的变形；“重力式抗滑挡墙+框架锚索”支护体系，对边坡变形起到有效的控制，确保了边坡稳定，保证了公路施工安全和正常运营。
모고속공로K103+240～580단이로참변파형식통과，전연개알파도교대，조성전연변파측암토체변박，형성유리적전연림공전출조건，치사활파실은。위차제출료재합리적삭파하，채용“중력식항활당장+광가묘색”적연합지호방안。통과geo-studio수치모의연건탐토료변파적은정성화지호방안적효과。결과표명：변파은정성계수위0.665，처우불은정상태；합리적삭파급극감소료활면상방적토체질량，치사파면부근응력응변명현강저，일정정도상공제주료활파적변형；“중력식항활당장+광가묘색”지호체계，대변파변형기도유효적공제，학보료변파은정，보증료공로시공안전화정상운영。
The highway k103+240~580 segment adopts the cutting slope, with steep front edge excavation, causing the thinning of the invading side of the front edge,forming favorable cutting conditions for the front edge and causing landslide failure. Therefore, the supporting system of "gravity anti-slide retaining wall + frame anchor" under the reasonable cutting slope is presented. The slope stability and supporting scheme efficiency are discussed with the numerical simulation software geo-studio. The results show that the slope is in the unstable state with the slope stability coefficient of 0. 665, the reason-able cutting slope sharply reduces the quality of soil body at the top of the sliding surface, significantly lowering the stress and strain near the slope and to some extent controlling the deformation of the landslide, and that the supporting system of "gravity anti-slide retaining wall + frame anchor" can effective-ly control slope deformation, ensuring slope stability and highway construction safety and normal operation.