Field and three-dimensional finite element investigations of the failure cause and rehabilitation of a composite soil-cement retaining wall

Jamsawang, Pitthaya; Voottipruex, Panich; Jongpradist, Pornkasem; Likitlersuang, Suched

doi:10.1016/j.engfailanal.2021.105532

Cited by 22 publications

(5 citation statements)

References 39 publications

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“…Three-dimensional finite element analysis was used to simulate the occlusal force of the mandibular first molar in median occlusion and lateral occlusion, although the FEA results could not completely reflect the real stress values. However, the stress order and stress distribution trend are consistent with reality 25 providing a certain reference value for the tooth preparation of zirconia full crown in clinical treatment. Additionally, considering the limited experimental conditions, the actual masticatory bite force is dynamic repeated loading, while the force applied in this experiment is a static force that cannot reflect the fatigue of the prosthesis after long-term use.…”

Section: Discussionsupporting

confidence: 64%

A 3D finite element analysis for the influence of different marginal finish line design on stress distribution in posterior monolithic zirconia crown prosthetic system

Wang,

Du,

Yang

et al. 2023

Fourth International Conference on Computer Science and Communication Technology (ICCSCT 2023)

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The purpose of this paper was to evaluate the effect of four kinds of marginal finish line design on stress distribution in posterior zirconia all-porcelain crown prosthetic system. Four 3D finite element models with different margin designs of mandibular first molar restorated by zirconia all-porcelain crown were developed. Each model was designed with one kind of finish line margin respectively (SC0.5: shallow concave finish line with a width of 0.5 mm; SC1.0: shallow concave finish line with a width of 1.0 mm; RA0.5: right angle finish line with a width of 0.5 mm; RA1.0: right angle finish line with a width of 1.0 mm). A load of 670 N which equals the greatest masticatory pressure in centric occlusion was applied to the zirconia all-porcelain crown vertically. The other load of 220 N simulating the lateral occlusion was applied at 45 degrees to the long axis of the abutment tooth. Then FE analysis was performed in each situation to observe stress distributions and Von Mises stress values in each layer of the zirconia prosthetic system which consisted of zirconia crown, cement layer, and abutment tooth. For all models, stress was localized in the occlusal loading area and the boundary of the crown. The minimum stress values were obtained in model SC1.0, the greatest stress values occurred in model RA0.5. Furthermore, the Von Mises stress values of the SC group were apparently higher than that of the RA group. The FEA method can effectively evaluate the stress in finish line. The results suggested that a combination of shallow concave finish line with a width of 0.5 mm potentially have more suitable geometry to reduce stress concentration.

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Section: Discussionsupporting

confidence: 64%

A 3D finite element analysis for the influence of different marginal finish line design on stress distribution in posterior monolithic zirconia crown prosthetic system

Wang,

Du,

Yang

et al. 2023

Fourth International Conference on Computer Science and Communication Technology (ICCSCT 2023)

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“…The water filling height was restricted to the maximum liquid level. The water fill height was carried out in four stages (25,50,75, and 100% of the top liquid level of the tanks). A load stabilization period was observed within 24 hrs for each filling stage.…”

Section: The Hydro and Water Fill-up Test For The Tanksmentioning

confidence: 99%

“…13 illustrates the failure mechanism of the tank foundation subjected to a water pressure of 150 kPa. PLAXIS 3D version 2023 provides the plastic point option, demonstrating the stress points that fall in a plastic state [25]. The plastic points were indicated in an undeformed mesh.…”

Section: Slope Stability Analysesmentioning

confidence: 99%

A case study of applying wet top-feed vibro replacement stone columns as foundation support of fuel tank in the reclamation area

Jamsawang,

Bergado,

Voottipruex

et al. 2024

Preprint

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This paper reports a case study of applying wet and top feed vibro replacement stone columns to support the 20-m-high fuel tank built on loose to medium sand deposits. The design considerations, installations, applications, field tests, correlations, and subsequent three-dimensional finite element analyses are presented. The soil profile of the case study comprised approximately 8 to 12 m thick loose to medium-dense silty sand layers with a high groundwater table. The 1-m-diameter stone columns were installed in a triangular pattern with a spacing of 2.1 m. The improvement depths were 8, 11, and 12 m. After construction was completed, quality assurance of the stone column installation by various field tests was performed. Based on the hydro test results, the improved ground could carry an allowable bearing capacity of 200 kPa transferred from the 20-m-high fuel tank and exhibited a maximum settlement of smaller than 50 mm, which met the design criteria of this project. Due to reasonable quality control during stone column installation, the tank’s tilt caused by the non-uniformity of the improved sands was negligible because it was lower than 10 mm. The enhanced strength ratio of the surrounding sands was 2 to 3 due to the desification effect. The simulated data confirmed the observed results, and the verification or confirmatory test results illustrated the successful applications of the vibro-replacement stone columns.

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“…This shows a very recent and rapid growth in interest and research activity around this topic. For instance, Jamsawang et al [74] reported the failure of a composite soil-cement retaining wall in Bangkok due to an unexpected porous clay thickness of 7 meters, causing shear and tensile failure points to develop in the entire soil bodies and wall structures, respectively. Rehabilitation measures were implemented by extending the embedded wall structure lengths and soil-cement segments to reinforce the wall, resulting in no visible wall failure.…”

Section: F Research Frontier Identificationmentioning

confidence: 99%

Global Research Trends in Soft Soil Management for Infrastructure Development: Opportunities and Challenges

Sim,

Katman,

Baharuddin

et al. 2024

IEEE Access

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Soft soils present significant challenges to infrastructure development worldwide due to high compressibility, low shear strength and low permeability. Bibliometric analysis remains scarce in the soft soil management field, making it difficult to grasp global trends and contributions. This research addresses this gap by providing a novel and comprehensive bibliometric analysis of soft soil management literature to investigate the trend, opportunities and challenges. The analysis predominantly examines ground improvement methods based on 2,260 journal articles and proceeding papers from WOS core collection between 2013 and 2023 using CiteSpace. The analysis encompasses country distribution, authorship and cocited authors, cited journals, reference co-citations and identification of research hotspots and frontiers. Findings show a growing interest and increased research focus in soft soil management, with China emerging as a prominent contributor. Reference co-citation clustering analysis reveals two dominant research themes: ground improvement methods (geosynthetic-reinforced embankments and stone columns) and sustainable practices (reuse of waste materials). The emerging word analysis reveals an evolutionary trend from investigating innovative and sustainable techniques to shear strength and failure mechanisms. Recent studies focus on the use of vertical drains, deep mixing columns, chemical stabilization, and sustainable ground improvement strategies. Opportunities lie in sustainable ground improvement methods and novel sensing technologies. Key challenges include bearing capacity, settlement, and slope stability. The study highlights the need for more research into two other key areas such as geotechnical characterization and foundation design. Overall, this bibliometric review contributes to a more thorough understanding of soft soil management studies for researchers and practitioners.

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Field and three-dimensional finite element investigations of the failure cause and rehabilitation of a composite soil-cement retaining wall

Cited by 22 publications

References 39 publications

A 3D finite element analysis for the influence of different marginal finish line design on stress distribution in posterior monolithic zirconia crown prosthetic system

A 3D finite element analysis for the influence of different marginal finish line design on stress distribution in posterior monolithic zirconia crown prosthetic system

A case study of applying wet top-feed vibro replacement stone columns as foundation support of fuel tank in the reclamation area

Global Research Trends in Soft Soil Management for Infrastructure Development: Opportunities and Challenges

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