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Journal articles on the topic 'Unreinforced Soil Slope'

Author: Grafiati

Published: 6 September 2023

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1

Wang, Liping, and Ga Zhang. "Pile-Reinforcement Behavior of Cohesive Soil Slopes: Numerical Modeling and Centrifuge Testing." Journal of Applied Mathematics 2013 (2013): 1–15. http://dx.doi.org/10.1155/2013/134124.

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Centrifuge model tests were conducted on pile-reinforced and unreinforced cohesive soil slopes to investigate the fundamental behavior and reinforcement mechanism. A finite element analysis model was established and confirmed to be effective in capturing the primary behavior of pile-reinforced slopes by comparing its predictions with experimental results. Thus, a comprehensive understanding of the stress-deformation response was obtained by combining the numerical and physical simulations. The response of pile-reinforced slope was indicated to be significantly affected by pile spacing, pile lo

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2

Liu, Jie, Bin Wang, Yunlong Sun, and Bin Wang. "Analysis of Strengthening Mechanism of the Steep Slope Embankment through Centrifugal Model Test." Shock and Vibration 2022 (July 14, 2022): 1–11. http://dx.doi.org/10.1155/2022/6536257.

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Centrifuge model tests were conducted to investigate the geogrid-gravelly-soil-reinforced steep slope embankments. A control experiment was carried out on a set of unreinforced embankments. The following test results were obtained. Under a centrifugal force, the unreinforced gravelly soil steep embankments failed in sudden collapse and circular sliding. By contrast, the reinforced embankments exhibited a local deformation on the slope surface and a continuous progressive deformation on the slope due to the failure of geogrid-soil interface. The geogrid reinforcement strengthened the soil and e

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3

Hairulla, Hairulla, Dina Limbong Pamuttu, Eko Budianto, Asep Sunandar, and Daud Andang Passalli. "Slope Reinforcement Study Using Geotextile." E3S Web of Conferences 328 (2021): 10011. http://dx.doi.org/10.1051/e3sconf/202132810011.

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The development of transportation in Indonesia causes the need for land for road use to increase. This encourages people to make the best use of every available land, one of which is in hilly and lowland areas and the topography tends to vary. The development of embankment slopes above the soil with less bearing capacity results in large subsidence and lateral movement. The purpose of this study was to determine the effect of using Geotextile type TS 600 as reinforcement in soils that have low bearing capacity. From the results of laboratory tests, it is known that Geotextile Type TS 600 can r

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4

Alyazahari, Lafridha, Luthfi Amri Wicaksono, and Dwi Nurtanto. "Perencanaan Perkuatan Lereng Menggunakan Geoframe di Jalan Raya Dampit-Lumajang." Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil 10, no. 1 (2022): 59–68. http://dx.doi.org/10.33558/bentang.v10i1.2933.

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A Landslide is the movement of soil mass or rock constituents down the slope due to disturbance of soil stability. One of the factors that affect soil stability is the rainy season as happened in Sumberwuluh Village, Candipuro District, Lumajang Regency. The alternative used to stabilize the slope is by changing the slope geometry, then adding geoframe reinforcement. This study aims to determine the value of the factor of safety (SF) of unreinforced slopes, after changing the slope geometry, and after being given geoframe reinforcement. The method used in analyzing slope stability is the Ordin

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5

Javankhoshdel, Sina, та Richard J. Bathurst. "Influence of cross correlation between soil parameters on probability of failure of simple cohesive and c-ϕ slopes". Canadian Geotechnical Journal 53, № 5 (2016): 839–53. http://dx.doi.org/10.1139/cgj-2015-0109.

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This paper focuses on the calculation of probability of failure of simple unreinforced slopes and the influence of the magnitude of cross correlation between soil parameters on numerical outcomes. A general closed-form solution for cohesive slopes with cross correlation between cohesion and unit weight was investigated and results compared with cases without cross correlation. Negative cross correlations between cohesion and friction angle and positive cross correlations between cohesion and unit weight, and friction angle and unit weight were considered in the current study. The factors of sa

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6

Han, Xue, Pengyue Ji, Qichen Gu, and Guangsen Mu. "Model Test Study on Dynamic Response of Expressway Plastic-Reinforced Earth Embankment under Earthquake." Geofluids 2021 (February 25, 2021): 1–12. http://dx.doi.org/10.1155/2021/5551699.

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Aiming at the seismic response of plastic geogrid-reinforced embankments, with Zhounan Expressway as the research engineering background, a self-designed seismic-rainfall coupled slope model test system was designed and used to produce 1 : 20 scale plastic geogrid-reinforced embankments. Moreover, the physical model of the unreinforced embankment under Hanshin wave, Wenchuan wave, Tianjin wave, etc. was also studied to carry out comparative analysis on seismic response and dynamic response on test model. The dynamic characteristics and dynamic response of the embankment model were tested from

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7

Islam, Mohammad Nurul. "Small Scale Experiments to Assess the Bearing Capacity of Footings on the Sloped Surface." Eng 1, no. 2 (2020): 240–48. http://dx.doi.org/10.3390/eng1020016.

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Construction of civil engineering structures on or next to a slope requires special attention to meet the bearing capacity requirements of soils. In this paper, to address such a challenge, we present laboratory-scale model tests to investigate the effect of footing shape on the sloped surface. The model comprised of a well stiffened mild steel box with three sides fixed and one side open. We considered both with and without reinforcement to assess the effectiveness of reinforcement on the sloped surface. Also, we used three types of footing (i.e., square, rectangular, and circular) to measure

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8

Srilatha, N., G. Madhavi Latha, and C. G. Puttappa. "Effect of Slope Angle on Seismic Response of Unreinforced and Reinforced Soil Slopes in Shaking Table Tests." Indian Geotechnical Journal 47, no. 3 (2017): 326–37. http://dx.doi.org/10.1007/s40098-017-0225-y.

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9

Keskin, Mehmet Salih, and Sedat Kezer. "Stability of MSW Landfill Slopes Reinforced with Geogrids." Applied Sciences 12, no. 22 (2022): 11866. http://dx.doi.org/10.3390/app122211866.

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Slope stability is one of the main problems encountered in MSW (municipality solid waste) landfill designs. Slope stability calculations become difficult due to the heterogeneous structure of MSW landfills and leachate, and therefore, slope geometries are formed by choosing low slope angles for safe designs. This causes less waste to be stored on site. This study presents slope stability analyses of MSW landfills. Numerical analyses were performed using finite element and limit equilibrium methods. The stability behavior of landfill slopes was analyzed for both unreinforced and geogrid-reinfor

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10

Latha, N. Sri. "Numerical Studies on Stability of Sand Slopes." ECS Transactions 107, no. 1 (2022): 15309–15. http://dx.doi.org/10.1149/10701.15309ecst.

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Stability analysis of slopes is generally performed to assess the safe design of man-made or natural slopes. Choice of analysis depends on both site conditions and the probable mode of failure with consideration being given to the varying strengths and limitations involved in each method. Numerical techniques provide an approximate solution to field problems which otherwise cannot be solved by conventional methods due to complex geometry, anisotropic material, non-linear behavior, and in-situ stresses. Present study presents results of stability of unreinforced and reinforced model slopes usin

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11

Bull, Daniel, Ian Sinclair, Fabrice Pierron, Tiina Roose, and Joel Smethurst. "Understanding the mechanisms of root-reinforcement in soils: soil shear tests using X-ray computed tomography and digital volume correlation." E3S Web of Conferences 92 (2019): 12009. http://dx.doi.org/10.1051/e3sconf/20199212009.

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Soil containing plant roots may be expected to exhibit a greater shearing resistance compared with the same ‘unreinforced’ soil, providing enhanced stability and effective erosion control, particularly for earth slopes. To be able to rely on the improved shearing resistance and stiffness of root-reinforced soils, it is important to understand and quantify the effectiveness of root reinforcement. This requires sophisticated multiscale models, building understanding at different length scales, from individual soil-root interaction through to full soil-profile or slope scale. One of the challenge

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12

Amena, Shelema. "Analysis of the Stability of Reinforced Plastic Waste Treated Clay as Embankment Fill on Soft Soils." Advances in Civil Engineering 2022 (August 30, 2022): 1–10. http://dx.doi.org/10.1155/2022/1831970.

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The purpose of this study is to analyze the suitability and stability of clay soil treated with plastic waste as an embankment fill. Plastic wastes are used to stabilize the locally found weak clay. The locally found weak clay soil is stabilized with plastic waste. The stability analyses of the proposed slope have been done by finite element method using geotechnical software PLAXIS 2D. The stability analyses were performed for different conditions considering the geometry of the embankment, characterization of fill material, and the strength of reinforcement. Different models were analyzed to

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13

Liu, Kai Fu, Xiang Ru Yang, Xin Yu Xie, Chang Fu Wu, and Yong Hai Liu. "Laboratory Triaxial Test Study on Soil Reinforced with Roots of Manilagrass." Advanced Materials Research 250-253 (May 2011): 1366–70. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.1366.

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Laboratory triaxial tests of the soil reinforced with roots of Manilagrass were carried out in order to understand the stress-strain relationship. The change of shear strength indexes of the soil reinforced with roots of Manilagrass was investigated with the quantity of grassroots planted in the soil specimens. The results of laboratory triaxial tests show that the strength and capacity for resisting the deformation of soil reinforced with roots are better than those of unreinforced soil. And under the certain number of grassroots layers, the strength and capacity for resisting the deformation

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14

Wang, Zong Jian, Liang Lu, and Bin Zheng. "Failure Mechanism of Strip Footing on Geotextile-Reinforced Soil." Applied Mechanics and Materials 580-583 (July 2014): 415–19. http://dx.doi.org/10.4028/www.scientific.net/amm.580-583.415.

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Several laboratory model tests were carried out on the bearing capacity of strip footings on reinforced soil foundation and reinforced slope. Compared with unreinforced cases, the deformation and failure of reinforced earth in different foundation conditions were monitored and analyzed. In order to visualize a failure mechanism when the ground reaches the state of limit equilibrium, a new numerical procedure was proposed. Assuming an elastic-perfectly plastic model, a smeared shear band approach and a modified initial stress method enable the proposed procedure to create an explicit collapse m

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15

Yang, Yanhua, Haiyong Xu, Xin Wang, et al. "Experimental Study on Anti-Scour Property and Erosion Resistance of 3D Mat Materials for Slope Protection in Waterway Engineering." Water 14, no. 9 (2022): 1392. http://dx.doi.org/10.3390/w14091392.

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3D mats are environmentally friendly and ecological materials for protecting river and waterway banks. The anti-scour properties of the materials and the erosion resistance of the soil under them can be studied to provide decision support for the selection of slope protection materials and their applicable areas. In this paper, an indoor prototypical scouring experiment with a flume is carried out to study the anti-scour properties of three types of 3D mat materials (vegetation grass mats, Enkamat and reinforced Mike mat) and the erosion resistance of the underlying soil under typical combined

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16

Mazouz, B., T. Mansouri, M. Baazouzi, and K. Abbeche. "Assessing the Effect of Underground Void on Strip Footing Sitting on a Reinforced Sand Slope with Numerical Modeling." Engineering, Technology & Applied Science Research 12, no. 4 (2022): 9005–11. http://dx.doi.org/10.48084/etasr.5131.

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This paper presents the results of the numerical analysis undertaken to investigate the effect of the underground void on the load-bearing capacity of a strip footing placed on an unreinforced and geogrid-reinforced sand slope with a void inside. The failure mechanism of the soil was also investigated. The numerical model was obtained using 2D plane-strain FEM analysis (in Plaxis software), in which the nonlinear Mohr-Coulomb model was utilized. The effects of various parameters such as the number of geogrid layers (N), the vertical distance ratio between the top of the cavity from the base of

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17

Sharma, Keshab, Mandip Subedi, Indra Prasad Acharya, and Bigul Pokharel. "Geotechnical and Structural Aspect of 2015 Gorkha Nepal Earthquake and Lesson Learnt." Journal of the Institute of Engineering 13, no. 1 (2018): 20–36. http://dx.doi.org/10.3126/jie.v13i1.20345.

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An earthquake of moment magnitude (Mw ) 7.8 struck the central Nepal at 11:56 am on April 25, 2015. More than 9,000 people were killed and thousands of residential buildings, and hundreds other structures were also destroyed. An aftershock of moment magnitude (Mw ) 7.3 hit northeast of Kathmandu on May 12 after 17 days of main shock which caused additional damages. Immediately after the earthquake, authors undertook a field investigation and visited the affected areas. Strong motion records from both earthquakes and their impacts on structures as well as geotechnical issues are presented in th

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18

Cuelho, Eli V., Steven W. Perkins, and Brian M. Collins. "Validation of the Deep Patch Embankment Repair Design Method using a Large-Scale Centrifuge." Transportation Research Record: Journal of the Transportation Research Board 2672, no. 52 (2018): 142–51. http://dx.doi.org/10.1177/0361198118790848.

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The deep patch repair technique has been widely used in the western U.S.A. to address subsidence and shallow slope failures mainly within poorly performing side-cast embankments and natural slopes consisting of weak soils overlying stronger soils. This project was a multi-phase effort to examine, refine, update, and verify the design procedure associated with this repair method. An experimental design was developed to examine the performance of various deep patch repair configurations and to validate the design technique developed using FLAC (Fast Lagrangian Analysis of Continua) modeling resu

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19

Shinoda, Masahiro, and Yoshihisa Miyata. "PSO-based stability analysis of unreinforced and reinforced soil slopes using non-circular slip surface." Acta Geotechnica 14, no. 3 (2018): 907–19. http://dx.doi.org/10.1007/s11440-018-0678-x.

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20

Mitchell, Denis, René Tinawi, and Tim Law. "Damage caused by the November 25, 1988, Saguenay earthquake." Canadian Journal of Civil Engineering 17, no. 3 (1990): 338–65. http://dx.doi.org/10.1139/l90-041.

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The November 25, 1988, Saguenay earthquake prompted a site visit by a team representing the Canadian National Committee on Earthquake Engineering. This paper contains selected ground motion records in the form of acceleration-time histories, obtained from the Geological Survey of Canada, and corresponding response spectra. The horizontal acceleration spectrum obtained for Chicoutimi is compared with the design base shear coefficients from the 1980, 1985, and 1990 National Building Codes of Canada. Failures of natural slopes and embankments as well as both architectural and structural damage ar

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21

Tinawi, René, Denis Mitchell, and Tim Law. "Les dommages dus au tremblement de terre du Saguenay du 25 novembre 1988." Canadian Journal of Civil Engineering 17, no. 3 (1990): 366–94. http://dx.doi.org/10.1139/l90-042.

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The November 25, 1988, Saguenay earthquake prompted a site visit by a team representing the Canadian National Committee on Earthquake Engineering. This paper contains selected ground motion records in the form of acceleration-time histories, obtained from the Geological Survey of Canada, and corresponding response spectra. The horizontal acceleration spectrum obtained for Chicoutimi is compared with the design base shear coefficients from the 1980, 1985, and 1990 National Building Codes of Canada. Failures of natural slopes and embankments as well as both architectural and structural damage ar

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22

Gupta, Ankita, and Vinay Bhushan Chauhan. "Assessment of the Reinforced Slope Stability Under Earthquake Loading." Journal of Geotechnical Engineering 8, no. 2 (2021). http://dx.doi.org/10.37591/joge.v8i2.5796.

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Failure of the soil slopes by dynamic excitation is one of the most vital geotechnical earthquake hazards which may lead to serious destruction to the bridge abutments, dams, embankment, and structures resting on the slope. Moreover, due to deficient space available for the construction of slopes in urban areas, high and steep slope is constructed by geotextile reinforcement slopes. In this study, numerical modelling is made to study the behaviour of soil slope reinforced by geotextile under earthquake loading using the finite element method available in, optumG2. The value of the factor of sa

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23

Chakrabortty, Pradipta, Lokesh Sharan Srivastava, and Pintu Kumar. "A simple analytical model for bamboo-reinforced slopes using modified Bishop method." Frontiers in Built Environment 9 (May 18, 2023). http://dx.doi.org/10.3389/fbuil.2023.1080318.

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Introduction: Embankments are constructed in many places for transportation purposes such as railways and roads. The stability of slopes in embankments has always been a concern, especially in cohesionless soils. There are many methods to increase the safety factor of cohesionless soil slopes using geogrids, geocells, concrete piles, and so on. The conventional material used to stabilize slopes has a huge impact on the environment. Nowadays, researchers are using natural fibers such as bamboo and coir fiber for stabilization purposes.Methods: In this paper, bamboo piles are used to stabilize s

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24

Samal, Rasmiranjan, and Smrutirekha Sahoo. "Importance of PET Geogrid in the Enhancement of Hill Slope's Safety Factor: A Finite Element Approach." Engineering Research Express, April 25, 2023. http://dx.doi.org/10.1088/2631-8695/acd049.

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Abstract Slope stability analysis is crucial since the instability of the slope contributes to the failure of many buildings in hilly areas. Numerous ground improvement techniques are used to address this issue, including vertical drains, grouting, soil replacement, geosynthetic reinforcement, and piling. Geosynthetics are used more frequently to stabilize the hill slope as an alternative and cost-effective approach. The behavior of a geogrid reinforced slope was investigated in the current work utilizing 3D numerical analyses using the finite element program MIDAS GTS NX 2021 v1.1. Five types

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25

Karimzadeh, Ali Akbar, Anthony Kwan Leung, Saied Hosseinpour, Zhaoyi Wu, and Pedram Fardad Amini. "Monotonic and cyclic behaviour of root-reinforced sand." Canadian Geotechnical Journal, March 8, 2021. http://dx.doi.org/10.1139/cgj-2020-0626.

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Plant roots are known to provide mechanical reinforcement to soils upon shearing and seismic loading. However, the effects of different stress paths on root reinforce-ment are unclear. Moreover, whether, and how, roots provide resistance to soil lique-faction upon cyclic loading have rarely been studied. The objective of this study is to conduct a series of undrained triaxial tests to investigate the monotonic and cyclic behaviour of rooted sand. Roots of vetiver grass (Chrysopogon zizanioides L), which has been advocated for use in shallow slope stabilisation purposes, were used for testing.

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26

Makone, Jared Kambaga, and Ezra Wekesa. "Assessment of Stabilized Silt Clay Sand with Oil Palm Fibre Bunch (OPFB) Local Fibre for Slope Foundations: A Case of Coastal Soils of Mombasa, Kenya." Journal of Engineering Research and Reports, January 11, 2021, 20–38. http://dx.doi.org/10.9734/jerr/2021/v20i117244.

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Improvement of shear strength parameters is essential for designing the OPFB fiber mix with silt clay sand for slope stability. The objective of this study was to assess the stabilized silt clay with oil palm fibre bunch (OPFB) local fibre for slope foundation. Series of laboratory tests were conducted on various materials under study and the results revealed that, OPFB mix can be used as an additive to cement for purpose of improving engineering properties of the Silt Clay sand to cut down costs without compromising the set standards. It was established that, the shear strength parameters of

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27

Jana, Kingshuk, Suman Hazari, and Sima Ghosh. "Experimental and numerical studies of three-layered unreinforced and geosynthetic-reinforced soil slopes." Innovative Infrastructure Solutions 6, no. 1 (2020). http://dx.doi.org/10.1007/s41062-020-00408-6.

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28

Khochni, B., M. Meghachou, and H. Trouzine. "A Novel Algorithm to Determine the Safety Factor in Reinforced and Unreinforced Slopes." Soil Mechanics and Foundation Engineering, April 20, 2023. http://dx.doi.org/10.1007/s11204-023-09859-2.

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29

Dey, Arindam, Rana Acharyya, and Anangsha Alammyan. "Bearing capacity and failure mechanism of shallow footings on unreinforced slopes: a state-of-the-art review." International Journal of Geotechnical Engineering, May 16, 2019, 1–14. http://dx.doi.org/10.1080/19386362.2019.1617480.

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