КОНФЕРЕНЦІЇ ВНТУ електронні наукові видання, 
Молодь в науці: дослідження, проблеми, перспективи (МН-2025)

Розмір шрифта: 
Damage Forms and Destabilization Mechanism of Red Sandstone Roadbed Slopes
Cheng Xiaobing

Остання редакція: 2025-06-06

Анотація


红砂岩是由泥岩、泥砂岩、砂岩、砂质泥岩、页岩等沉积岩所构成，因含有丰富的氧化铁而呈现红色、棕褐色或深红色。全球干旱、半干旱地区广泛分布的陆地沉积环境主要集中在中生代以来的沉积盆地中，中国、美国、印度、澳大利亚和中东是主要分布区。在我国，红砂岩占国土面积的8.61%，集中分布在东南、西南、西北地区。红砂岩具有较强的风化崩解性和水软化性能，遇水浸泡后由于颗粒间的润滑作用及矿物的软化，导致岩体发生变形、失稳；水渗入孔隙裂隙中吸附后水膜增厚，溶解水泥石，引发颗粒崩解和瓦解，易造成路基沉降和边坡失稳。

Ключові слова


Red Sandstone, Slope Failure, Destabilization Mechanism, Water-Rock Interaction, Engineering Control

Посилання


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[3] Liu, Q., Qian, Z., & Wu, Z. (2019). Micro/macro physical and mechanical variation of red sandstone subjected to cyclic heating and cooling: an experimental study. Bulletin of Engineering Geology and the Environment, 78, 1485-1499.

[4]Zhang, H., Meng, X., & Yang, G. (2020). A study on mechanical properties and damage model of rock subjected to freeze-thaw cycles and confining pressure. Cold Regions Science and Technology, 174, 103056.

[5]Niu, C., Zhu, Z., Zhou, L., Li, X., Ying, P., Dong, Y., & Deng, S. (2021). Study on the microscopic damage evolution and dynamic fracture properties of sandstone under freeze-thaw cycles. Cold Regions Science and Technology, 191, 103328.

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