CAJ | 학술논문

以汉江白河县城防洪工程扶壁式挡土墙不同的填土高度为研究对象，采用理正岩土计算软件和ANSYS三维有限元分析软件，计算扶壁式挡土墙在各工况下的安全系数和应力变化，并引入水位降幅比，分析了水位骤降工况下扶壁式挡土墙的稳定性和受力状态，综合稳定性和受力状态2个因素对挡土墙的影响，判断扶壁式挡土墙的控制工况。计算结果表明，扶壁式挡土墙的控制工况与其墙后填土高度有关，当墙后填土高度和挡土墙高度相同时，其控制工况为水位骤降工况；挡土墙顶部出现悬臂段，挡土墙的稳定性较好，墙前高水位条件下，墙体拉应力急剧增大，挡土墙的控制工况为校核洪水位工况。可以此确定水工挡土墙工程控制工况。
이한강백하현성방홍공정부벽식당토장불동적전토고도위연구대상，채용리정암토계산연건화ANSYS삼유유한원분석연건，계산부벽식당토장재각공황하적안전계수화응력변화，병인입수위강폭비，분석료수위취강공황하부벽식당토장적은정성화수력상태，종합은정성화수력상태2개인소대당토장적영향，판단부벽식당토장적공제공황。계산결과표명，부벽식당토장적공제공황여기장후전토고도유관，당장후전토고도화당토장고도상동시，기공제공황위수위취강공황；당토장정부출현현비단，당토장적은정성교호，장전고수위조건하，장체랍응력급극증대，당토장적공제공황위교핵홍수위공황。가이차학정수공당토장공정공제공황。
With the different height of the backfilling soil of the counterfort retaining wall in the flood control project in Baihe County down-town as the study subject and by application of Lizheng geotechnical software and ANSYS 3D finite element software, safety factors and stress variation of the counterfort retaining wall at various conditions are calculated.Furthermore, the water level drop range ratio is introduced.sta-bility and action of the counterfort retaining wall in condition of the water level prompt drop are analyzed accordingly.In consideration of im-pacts on the retaining wall by its general stability as action, the control condition of the counterfort retaining wall is judged.The calculation shows that the control condition of the counterfort retaining wall is related to the soil backfilling height.When the height of soil backfilling be-hind the retaining wall is the same as the retaining wall height, its control condition is the one of water level prompt drop.When the cantile-ver at the top of the retaining wall occurs, stability of the retaining wall is better.In condition of high water level before the retaining wall a-vailable, the tensile stress of the wall increases rapidly.The control condition of the retaining wall is the check flood level.Based on this, the control condition of the retaining wall can be determined.