Abstract
Landslide is one of the potential disasters that can take life and material. A way to reduce disaster risk in slopes is to improve slope stability. A challenge in improving slope stability is how to make soil retaining walls that are simple, quickly built, and workable in the process. This research focuses on laboratory tests of gravity, segmental, and pre-cast retaining walls in sands. The tested models are slopes with different segmental, pre-cast, gravity walls made of un-reinforced concrete for static loads. The slope failure patterns were observed with their load variations. There are two wall models segmental. Each segmental wall observed a collapse pattern that occurred behind the wall. Static loading is carried out step by step until collapse occurs in the segmental wall. Observations and defects are carried out during the load process until the segmental wall collapses. This research shows that segmental pre-cast retaining walls with specific models and sizes can be selected to support certainly given loads to prevent slope failure.
Highlights
Landslides often occur on sloping surfaces or hilly areas
segmental retaining walls (SRW) is commonly used to stabilize the soil around main road bridges, embankments
SRW is cheap, easy, and quick to construct, does not require much labor, and can be made attractive [1]. Another advantage of using SRW is that water can flow between its segments, and hydrostatic pressure decreases [1][2][3]
Summary
Landslides often occur on sloping surfaces or hilly areas. The gravitational field of the earth draws soil down from a higher area to a lower one. This construction method is a flexible and adaptable way to increase the stability of a roadbed, and so is a common feature of modern highway construction [4] It was initially known as conventional retaining walls such as gravity, semi gravity, and cantilever retaining walls that were built using masonry or concrete pairs. The composition varies so that it can adjust to the existing contours with an attractive appearance (artistic) and become famous in various countries This lack of segmental walls cannot be built for higher walls In this study, modeling was constructed in a laboratory scale to compare empirical results with a commonly used retaining wall design tool, Rankine's theory. This study focuses on landslide patterns in the sand and compares it with those predicted by Rankine's theory
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