CAJ | 학술논문

非饱和土质边坡的基质吸力使土体具有较高的抗剪强度，遇雨时吸力减小或丧失而致土体强度降低，引发边坡失稳。鉴于边坡稳定在各类基础建设中的重要作用，结合工程算例，分析了吸力随降雨历时变化的规律、边坡安全系数与降雨强度的关系、不同坡度边坡降雨前后稳定性变化的规律，为增进边坡的抗滑维稳具有积极意义。
비포화토질변파적기질흡력사토체구유교고적항전강도，우우시흡력감소혹상실이치토체강도강저，인발변파실은。감우변파은정재각류기출건설중적중요작용，결합공정산례，분석료흡력수강우력시변화적규률、변파안전계수여강우강도적관계、불동파도변파강우전후은정성변화적규률，위증진변파적항활유은구유적겁의의。
Most soil slopes in engineering are unsaturated. Since there existed absorption, the soil has high shear strength. However, when it rains, the water infiltrate into the soil and the absorption is reduced, this may lead to the decrease of soil shear strength and slope stability. According to importance of slope stability in various foundation constmction and based on engineering practices, this paper analyses the roles of absorption change during rainfall, relationship between rainfall intensity and slope stability as well as regularity of slope stability change with different slope gradient before and after rainfall. It also has positive significance in improving the ability of anti-landslide and maintaining stability of slope.