Transportation Infrastructure Geotechnology
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Shrinkage Limit Multi-AI-Based Predictive Models for Sustainable Utilization of Activated Rice Husk Ash for Treating Expansive Pavement Subgrade
Transportation Infrastructure Geotechnology - Tập 9 - Trang 835-853 - 2021
Swell-shrink phenomenon experienced by foundation soils like the subgrade layer is a major cause of failures in pavement facilities. This phenomenon is fundamentally caused by rise in water table and moisture ingress from runoff, and through pavement surface cracks and lateral movement of water from location to location. Repeated laboratory trails prior to design and construction can actually be a...... hiện toàn bộ
Investigation of the Correlation Between Track Geometry Defect Occurrence and Wood Tie Condition
Transportation Infrastructure Geotechnology - Tập 6 - Trang 226-244 - 2019
This paper presents the results of a statistical correlation analysis between the occurrence of track geometry defects and tie condition as measured by an automated tie inspection system on a major US Class 1 railroad. This activity focuses on tie condition, as defined by the automated tie inspection system and calibrated to railroad standards, its frequency and distribution, and corresponding tra...... hiện toàn bộ
Probabilistic Slope Stability Analysis on a Heavy-Duty Freight Corridor Using a Soft Computing Technique
Transportation Infrastructure Geotechnology - - Trang 1-24 - 2023
This study overviews how to strengthen railway embankments using a geo-grid in the cohesive soil embankment layer and the Bishop method to determine a safety factor using Geo-Studio software. The primary goal of this study is to show the relationship between an embankment’s safety factor with and without a geo-grid. These parameters, such as angle of internal friction, cohesion value, and unit wei...... hiện toàn bộ
Artificial Neural Network Equations for Predicting the Modified Proctor Compaction Parameters of Fine-Grained Soil
Transportation Infrastructure Geotechnology - Tập 10 - Trang 424-447 - 2022
In this study, a novel application of artificial neural network (ANN) was utilized to develop the predictive equations for the modified Proctor compaction parameters of fine-grained soil. A total of 532 in situ soil samples were collected from a highway construction work site and numerous geotechnical parameters were obtained from the laboratory testing. Besides the index properties test, modified...... hiện toàn bộ
Stability Analysis of Layered Soil Slope Using Truncated Pile with Numerical Solution
Transportation Infrastructure Geotechnology - Tập 9 - Trang 272-301 - 2021
Available literature reveals that the use of truncated pile would be a good solution to increase the stability of slope which is introduced to date for homogeneous soil. Here an attempt is made to perform both experimental and numerical studies introducing truncated piles in layered soil. Both top and bottom layers are cohesive-friction soil. The sand layer is sandwiched between these layers. The ...... hiện toàn bộ
Effect of Free Vibration Frequency on Modeling of Bridge Pier
Transportation Infrastructure Geotechnology - Tập 8 - Trang 296-304 - 2020
Pile groups are a widely used foundation system to support structures placed over soft soil or when the shallow foundation is not appropriate due to excessive settlement especially for bridges, flyovers, or metro piers. Estimation of appropriate free vibration frequency for a bridge pier in design procedure gives appropriate and more optimized design. The frequencies obtained by considering soil p...... hiện toàn bộ
Modeling Triaxial Testing with Flexible Membrane to Investigate Effects of Particle Size on Strength and Strain Properties of Cohesionless Soil
Transportation Infrastructure Geotechnology - Tập 9 Số 4 - Trang 417-441 - 2022
Behavior of Back-to-Back MSE Walls: Interaction Analysis Using Finite Element Modeling
Transportation Infrastructure Geotechnology - Tập 10 - Trang 888-912 - 2022
Back-to-back mechanically stabilized earth (BBMSE) wall is a specific case of modern earth retention technique, where the design of the wall system depends on the spacing between two walls as the limited space behind the wall controls the interaction between them as well as their stability and lateral earth pressure distribution along the wall height (H). In view of the above, this study comprehen...... hiện toàn bộ
Phát triển các phương trình dự đoán cho mô đun đàn hồi của đất bằng cách sử dụng học máy tiến hóa Dịch bởi AI
Transportation Infrastructure Geotechnology - - Trang 1-23 - 2023
Mô đun đàn hồi của đất (MR) là yếu tố thiết yếu trong thiết kế mặt đường. Tham số này được xác định thông qua một bài thử nghiệm triaxial lặp lại tốn kém và mất thời gian. Do đó, các nghiên cứu trước đây chủ yếu tập trung vào việc triển khai các mô hình học máy (ML) phức tạp và có thể giải thích để dự đoán MR trực tiếp từ các tham số của đất. Tuy nhiên, các mô hình hiện tại phụ thuộc vào học máy k...... hiện toàn bộ
#mô đun đàn hồi #đất kết dính #học máy #thuật toán di truyền #dự đoán mô hình
Investigation of Sabalan Earth Dam Settlement at First Filling by Finite Difference Method
Transportation Infrastructure Geotechnology - Tập 8 - Trang 473-490 - 2021
The performance of large dams is monitored and evaluated using instrumentation. The main goal of monitoring of dam during construction, the first filling of the reservoir and operation is mainly evaluation of the safety in short- and long-term periods during its life of service. The present study investigates the behavior of earth dam for deformation and stress variation under construction and fir...... hiện toàn bộ
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