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Academic literature on the topic 'Soil-nailing method'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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Journal articles on the topic "Soil-nailing method"

Mohammad Zaki, Mohd Faiz, Wan Amiza Amneera Wan Ahmad, Afizah Ayob, and Teoh Khai Ying. "Analysis of Soil Nailing under Earthquake Loading in Malaysia Using Finite Element Method." Applied Mechanics and Materials 695 (November 2014): 526–29. http://dx.doi.org/10.4028/www.scientific.net/amm.695.526.

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Soil nailing has become a widely accepted method and offers a practical solution towards construction of permanent retaining wall, slope stabilization and protection of existing cuts from failure. In Malaysia, soil nailing is typically performed on cut slope and installed with grouting as preventatives method due to erosion problem. However, although the effectiveness of soil nailing system may be well understood by practitioners, the slope failure and collapses of deep excavation are continuously occurs, especially for the construction in the earthquake zone. Malaysia has numerous experiences of earthquake even this country has been categorized as low seismicity group. Hence, it is become important in the scope of geotechnical engineering to analyze and study the effect of earthquake to soil nailing systems in Malaysia. Aims of this paper are to focus and study this technical issue using the application of finite element program. This research study selects PGA of 0.08g based on the location of major population in Malaysia. Safety factor was calculated in this finite element program using phi-c reduction. Soil nailing relatively give satisfactory response under seismic, so pseudo-static method is applied for seismic loading study. Based on the static analysis results, the FOS for the deep excavation stabilized with soil nailing is 1.54. However, by considering the earthquake or seismic loading, the FOS reduces to 1.16 and the percentage of reduction is about 25%. Total displacement was observed slightly difference in soil nailing analysis during an earthquake and static analysis

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Jin, Qing Ping, Zu Jia Zheng, Zhi Chen, and Xue Wen Lei. "Simulation and Optimization on GFRP Soil Nailing Support." Applied Mechanics and Materials 477-478 (December 2013): 543–46. http://dx.doi.org/10.4028/www.scientific.net/amm.477-478.543.

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Glass Fiber Reinforced Polymer (GFRP) soil nailing is great different from steel bar soil nailing in mechanical parameters and the properties. According to a excavation engineering supported by soil nailing, the support structure of soil nailing was simulated by finite element method. By analyzing the displacement, the force, the plastic area and other aspects in sensitive position, the results show that two types of soil nailing can ensure the stability of the slope under the same arrangement. The maximum displacement of GFRP soil nailing on control points of the slope is more 7% to 10% than steel bar soil nailings. Plastic zone of GFRP soil nailing support structures are more obvious in the range and the extent. The arrangement of GFRP soil nailing had been optimized by finite element software, the distance 1.6~1.8m between soil nailings is more appropriate for support structure.

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Kim, Ji-Seong, and Mi-Ok Ku. "Slope Stability Charts of Soil Nailing Method for Slope Diaster Prevention." Journal of the Korea Contents Association 16, no. 7 (2016): 457–64. http://dx.doi.org/10.5392/jkca.2016.16.07.457.

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Yang, Meng, and Xiao Min Liu. "Study on the Calculation Method of Soil-Nailing for High Soil Slope Based on the Logarithmic Spiral Slippery Fracture." Advanced Materials Research 261-263 (May 2011): 1709–13. http://dx.doi.org/10.4028/www.scientific.net/amr.261-263.1709.

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This paper introduces a new failure mode pattern of soil slope – the logarithmic spiral slippery fracture. A mathematical model for the logarithmic spiral slippery fracture is established, taking the anti-shear function of the soil-nailing into consideration. The shear of soil-nailing, axial force, and the safety coefficients based on the limiting equilibrium method are derived, leading to an accurate stability analysis of the strengthening of soil slope. A case study shows that the anti-shear function of the soil-nailing can be significant and should not be ignored in engineering design.

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Ma, Tian Zhong, Yan Peng Zhu, Chun Jing Lai, and De Ju Meng. "Study of Seismic Design Method for Slope Supporting Structure of Soil Nailing." Applied Mechanics and Materials 353-356 (August 2013): 2073–78. http://dx.doi.org/10.4028/www.scientific.net/amm.353-356.2073.

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Slope anchorage structure of soil nail is a kind of economic and effective flexible slope supporting structure. This structure at present is widely used in China. The supporting structure belong to permanent slope anchorage structure, so the design must consider earthquake action. Its methods of dynamical analysis and seismic design can not be found for the time being. The seismic design theory and method of traditional rigidity retaining wall have not competent for this new type of flexible supporting structure analysis and design. Because the acceleration along the slope height has amplification effect under horizontal earthquake action, errors should be induced in calculating earthquake earth pressure using the constant acceleration along the slope height. Considering the linear change of the acceleration along the slope height and unstable soil with the fortification intensity the influence of the peak acceleration, the earthquake earth pressure calculation formula is deduced. The soil nailing slope anchorage structure seismic dynamic calculation model is established and the analytical solutions are obtained. The seismic design and calculation method are given. Finally this method is applied to a case record for illustration of its capability. The results show that soil nailing slope anchorage structure has good aseismic performance, the calculation method of soil nailing slope anchorage structure seismic design is simple, practical, effective. The calculation model provides theory basis for the soil nailing slope anchorage structure of seismic design. Key words: soil nailing; slope; earthquake action; seismic design;

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Qiao, Lan, Li Kai Liu, Hai Tao Wei, Yuan Li, and Xi Wen Li. "Study on Mechanical Property and Displacement of Latticed Soil Nailing Support." Applied Mechanics and Materials 182-183 (June 2012): 1662–67. http://dx.doi.org/10.4028/www.scientific.net/amm.182-183.1662.

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Latticed soil nailing support is a new type of revetment structure, which combined lattice support and soil nailing. It effectively improves the global stability of the foundation pit. Currently, the theoretical research about this supporting method is still not consummate. In this paper, on the basis of soil mechanics and code, the stability of latticed soil nailing support are analyzed by the theory of the retaining wall, soil nail and the model of supporting piles. Then calculate the displacement in the limit state by elastic fulcrum method and the instantaneous displacement by layer-wise summation method. The total displacement can be calculated by the combination of the two displacements above, which is between 3.38mm and 15.43mm and close to the measured data. Simulate excavation and supporting process of the pit by finite difference method, analyze the mechanical property and displacement of latticed soil nailing support. Thus the theory of the calculation method to this supporting model is obtained, offering a reference for the similar projects.

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Zhao, Jie, and Ling Li Wang. "Finite Element Simulation and Stability Analysis of Composite Soil Nailing." Applied Mechanics and Materials 580-583 (July 2014): 83–88. http://dx.doi.org/10.4028/www.scientific.net/amm.580-583.83.

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Under the condition of plane strain, a 2D elastoplastic FEM is used to analyze the behavior of composite soil nailing bracing of deep excavation, then finite element method of stability analysis is applied to evaluate the stability of the soil-nail wall. The authors analyzed the difference between composite soil nailing and normal soil nailing. Through analyzing the effect of bracing parameters on the deformation behavior and stability of the excavation, some useful conclusions are obtained to provide certain references for the design and construction of composite soil nailing.

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Cao, Jing, Tian Liu, and Hai Ming Liu. "Soil Nailing Reliability Optimization Design of Foundation Pit Based on Response Surface Method." Applied Mechanics and Materials 556-562 (May 2014): 4655–59. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.4655.

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Aiming at the randomness and variability of geotechnical parameters, the uniform test and nonparametric regression technique of alternating conditional expectation (ACE) is used to establish the efficiency response surface. On the basis of response surface, the Monte Carlo method was used to research the reliability optimal design and analysis method of soil nailing structure. Considering various failure modes of soil nailing structure, and setting the system failure probability as constraint, and per linear meter length of soil nail as the objective function, than to establish the reliability optimal model of soil nailing structure of foundation pit with the indexes of soil shear strength c, φ and ground overload as random variables. Through an engineering case analysis, the feasibility and effectiveness of this method are verified. Finally, the superiority of the proposed method is proved compared with the deterministic method.

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Wang, Yong Sheng, and Li Hua Wu. "The Engineering Application of New Method for Calculating Seismic Active Earth Pressure of Soil-Nailing Retaining Structures." Advanced Materials Research 915-916 (April 2014): 86–89. http://dx.doi.org/10.4028/www.scientific.net/amr.915-916.86.

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Based on the method for calculating seismic active earth pressure of soil-nailing retaining structures literature [ , the effect of horizontal seismic coefficient on seismic active earth pressure and the most dangerous sliding are analyzed in connection with practical engineering projects, and compared with the result which is not considered the seismic action. Results show that The existence of soil nails can effectively reduce the lateral pressure of supporting structures under earthquake ground motions and make the sliding surface slowly move to the wall back; Increased along with the height of soil nailing wall;With the increase of the height of soil nailing wall ,facing wall the sliding movement amplitude increase under the action of earthquake, and the soil nail length is growing.

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Wu, Jian Chun, and Rong Shi. "Seismic Analysis of Soil Nailed Wall Using Finite Element Method." Advanced Materials Research 535-537 (June 2012): 2027–31. http://dx.doi.org/10.4028/www.scientific.net/amr.535-537.2027.

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Using dynamic elastic-plastic finite element method, on the base of works together and interaction between loess and flexible retaining wall, 3-D nonlinear FEM (ADINA) is used to analyze and discussed the dynamic response of slope protected by soil nailing retaining wall under the EL-Centro and man-made Lanzhou accelerogram. A model that is capable of simulating the nonlinear static and dynamic elastic-plastic behavior of soil is used to model the soil, and a bilinear elastic-plastic model that has hardening behavior is used to model the soil nailing. Friction-element is employed to describe the soil-structure interaction behavior.The results show that the method is safe and credible. The results of the FEM dynamic analysis can be a useful reference for engineers of the design and construction of the soil nailed wall.

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