ตัวกรอง
2514
2569
บทความวิชาการ Capillary Barrier System for Resilient Slope Cover
รหัสความรู้:
KBS0802000636-06
ประเภท:
รายงาน (การศึกษา การประชุมทางวิชาการ ประชุมคณะกรรมการ/ทำงาน ประชุมอื่น ๆ)
คำสำคัญ :
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ชื่อผู้จัดทำ:
Auckpath Sawangsuriya and Apiniti Jotisankansa
หน่วยงาน:
หน่วยงานภายนอก
ปีที่จัดทำ:
2022
หมวดหมู่เนื้อหาความรู้:
Climate-Resilient Slopes
จำนวนผู้เข้าชม:
63
Capillary barrier system (CBS) is a two-layered cover system that consists of an upper finer layer overlying a coarser layer and is designed based on the principle of unsaturated soil mechanics. An application of CBS with vegetative slope cover is becoming an attractive solution because of lower cost, higher resiliency, more nature-oriented measure as well as improved aesthetics comparing to traditional concrete-based structure. This paper explores the performance and effectiveness of CBS as a resilient nature-based solution to mitigate rainfall-induced slope failures and surface erosions under tropical climatic conditions with high rainfall intensities. Moreover, some alternative products such as biochar, reclaimed asphalt aggregate, marginal soils, local plants etc. were considered in the proposed CBS. Results of field investigation indicated that the CBS with vegetative slope cover exhibited better performance in terms of soil moisture, pore-water pressure development, and erosion controls. Its effectiveness also depended on material type and geotextile sheet inclusion. Vegetations seemed to be more effective without the geotextile sheet between finer and coarser layers. The CBS however exhibited less suction preservation, which highlighted a tradeoff between plant establishment and suction preservation, warranting further exploration.
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