## 1 Introduction  
Slope stability is one of the crucial factors to consider in every civil engineering project. A slight movement of the slope can cause a significant impact on the stability of the structure, leading to catastrophic effects on people, infrastructure, and the environment. Therefore, it is essential to ensure that slope failure is prevented. Numerous developments and understandings of soil mechanical principles concerning soil properties have been formulated to better understand the behavior and stability of slopes [1]. An efficient method for slope failure risk calculation based on element failure probability was developed by [PERSON] et al. [2] that engineers can use as a practical reference for reinforcement design and risk assessment of slopes. Research on the determination of failure load at different slope angles was conducted to formulate an analytical model that can predict the failure load [3]. An assessment tool was developed to determine whether a slope is susceptible to failure,considering the soil strength parameters and some relevant triggering mechanisms for rapid assessment and to mitigate slope failure [4]. Numerous slope stability methods have been proposed and utilized to alleviate the devastating effects of slope instability. [PERSON] et al. [5] stated that geometrical methods, drainage methods, retaining structures, and internal slope reinforcement are some techniques that can be employed as remedial techniques for slopes. Internal slope reinforcement involves the use of rock bolts, anchors, micro piles, soil nailing, and geosynthetics. Geosynthetics are engineering materials used to improve the stability and performance of soil-related civil engineering projects. Synthetic polymers from crude petroleum oils are used to make geosynthetics, although some comprise fiberglass, plant fibers, and bitumen. Geosynthetics is a generic name for planar products made of polymeric materials in contact with soil or rock. Geosynthetic types include geogrids, geomembranes, geotextiles, geonets, geocomposites, geopipes, and geofoams [6]. Geosynthetics are also combined with other materials to produce geocomposites. Combining geosynthetics with materials commonly considered waste, such as waste tires, recycled construction and demolition waste, and plastic bottles, was proven beneficial to the environment and viewed as sustainable [7]. Geosynthetics are widely used in the construction industry due to their numerous applications in engineering. The most common use for geosynthetics is slopes and revetments. Soil masses in sloping areas can be stabilized by applying layers of geotextile or geogrids within a soil mass to provide internal reinforcement, protecting the slope from shear failure [8]. Geotextiles are one of the most common and popular types of geosynthetics used in construction. Geotextiles are manufactured using synthetic or natural fibers; likewise, their design, form, size, and composition differ depending on the field use and application [9]. Additionally, geotextiles are used as tensile reinforcement to stabilize slopes [10]; they are placed perpendicular to a slope section, showing potential sliding surfaces. The shear strength of the slope also increases when geotextiles are used, as they reduce the pore water pressure. Geotextiles made from natural fibers are considered temporary engineering materials due to their biodegradable characteristics. Natural fiber geosynthetics have lower strength than petroleum-based geosynthetics. However, natural fiber geosynthetics have certain benefits, such as recyclability, biodegradability, and availability [11]. [PERSON] mentioned that natural fibers offer numerous desirable properties, such as high modulus of strength, low breaking extension, and low creep levels during use [12]. Noting that tensile strength is one of the essential properties of woven geotextiles, natural fibers show the highest potential for geotextiles.