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  • Ferdowsi University of Mashhad - Seyed Ehsan Seyedi

    Numerical Analysis of the Land-Based Wind Turbine Foundation Using Hyperbolic Model for Soil: M.Sc. Navid Nazeran: 1394/04/20: 24: Comparison micropile-raft foundation modeled with homogenization method and equivalent spring method: M.Sc. Peyman Mianji: 1394/04/20: 25: study on the control of surface settlement caused by utility cut: M.Sc

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  • Classification of Soils for Excavations Method …

    required angle of the slope depends upon the properties of the soil in which the excavation has been made. The evaluation of soil conditions and structure is crucial to safe operation in and around based primarily on a previous study of newspaper articles and other …

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  • Excavation in moraine and dense non-cohesive soil

    The purpose of the numerical analysis was to analyse and discuss the effects of different soil and soil-tool parameters on the resultant resistive force acting on the blade. Based on the literature review, it was found that the particle size, the content of cobbles and boulders, the shear strength and the denseness of the soil affects the

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  • Preliminary Numerical Analysis of a Novel Retaining System

    Oct 06, 2006 · A new form of retaining system for use in deep excavations in crowded cities is proposed in this paper. The new system, which we have coined the herringbone retaining system (HRS) involves the use of vertical and batter piles, capping beams, and wales. A numerical study was conducted (using the finite difference tool FLAC3D) to investigate various aspects of the behavior of the new system and

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  • Proceedings of GeoShanghai 2018 International Conference

    May 10, 2018 · This book is the fifth volume of the proceedings of the 4th GeoShanghai International Conference that was held on May 27 - 30, 2018. This volume, entitled "Tunneling and Underground Construction", covers the recent advances and technologies in tunneling and underground structure engineering. It presents the state-of-the-art planning philosophy, theories, experiments, methodologies …

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  • Numerical analysis of sheet pile walls with strip load on

    Poisson's ratio of soil, respectively. The properties of soil used in the present study are Propertiestabulated in Table 1. In this paper, the dimensions of cantilever sheet pile walls and soil model is kept constant i.e. height of excavation is assumed as H=4 m and depth of penetration is assumed as D=6 m. The properties of the

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  • Failure of circular shaft subjected to hydraulic uplift

    Step 5: The shaft was backfilled with soil, and the test ended. 3 Simulation method 3.1 Establishment of model 3.1.1 Model mesh and boundary conditions The finite element software PLAXIS 2D 2015 [23] was used for numerical analysis on the field test construction process. An axisymmetric two- dimensional finite element model was established

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  • Sustainability | Free Full-Text | The Influence of the

    Jul 25, 2018 · The rockburst hazard has always been an important issue affecting the safety production of coal mines in China. The unreasonable sequencing of roadway driving can lead to the dynamic instability of coal pillars, which subsequently causes rockburst accidents in roadway backfilling mining engineering and poses a serious threat to the safety of the mines. Roadway backfilling mining …

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  • Recent Advances in Rock Engineering (RARE 2016) A study on

    C. Numerical Analysis of Settlement To understand the settlement properties of the OB spoil dump, a numerical study based on Finite Element Analysis (FEA) was conducted with the use of numerical modelling tool PLAXIS 2D available at Indian School of Mines, Dhanbad. A spoil dump of having a dimension of 15m height

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    Mar 04, 2014 · [,2004, 30( 5963.Li Wenguang, Su Fazhang, Li Yibin, et al. St heart vanedesign theories axialfl ow pumps heirappli cat ion[ LanzhouUniversit echnology,2004, 30,. [ : 1990:222231. Wan Banglie, Li …

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  • Three-dimensional response of double anchored sheet pile

    Mar 20, 2019 · The soil parameters were obtained by carrying out laboratory tests. The 0 (zero) value is located at the top ground surface after the project backfilled. Many authors had studied the behavior of sheet pile walls in cohesion soil [29, 30]; several methods were proposed by the authors to solve the problem. In some cases, the method is compared

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  • NUMERICAL 3D ANALYSIS OF BURIED FLEXIBLE PIPELINE

    soil (excavation and non-excavation methods) or load increase in time. The article presents the assumptions, programme and results of a 3D numerical analysis of a pipe-soil system model undertaken with Z_Soil software. The model analysed consists of a rectilinear section of a PVC pipe and the surrounding mass of strongly stratified soil.

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  • BEHAVIOR OF LIQUEFIED SOIL NEAR BOUNDARY OF …

    numerical analysis, the behaviors of the liquefied soil at the brinks of the backfill basins were classified into three types, namely heave, cave-in and landslide. The mechanism of these behaviors was attributed to the relationship between the predominant direction of displacement of liquefied soil and the location of the excavation boundary.

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  • (PDF) SEMI-EMPIRICAL METHOD FOR DESIGNING EXCAVATION

    Sep 13, 1975 · SEMI-EMPIRICAL METHOD FOR DESIGNING EXCAVATION SUPPORT SYSTEMS BASED ON DEFORMATION CONTROL. Amir Omar. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 29 Full PDFs related to this paper. Read Paper. Download PDF. Download Full PDF Package.

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  • Observed Performance and FEM-Based Parametric Analysis of

    Jun 21, 2021 · This paper investigates the performance of a top-down deep excavation in soil-rock composite stratum. The behavior of the excavation bracing system, consisting of ground anchors and end-suspended piles, has not been well understood due to the lack of relevant research. Based on the observed data of a typical deep excavation case history for the May Fourth Square Station in Tsingtao, …

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  • EIMCO 912 LHD Wheel Loaders Logging Equipment For Sale - 2

    Sep 09, 2021 · Eimco 912 LHD scooptram, 2 Yard ejector Bucket F6L912 Deutz Engine 12.00 x 24 Tires. Get Shipping Quotes Apply for Financing. 3. Unsave. Save. …

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  • Numerical Analysis of the Reinforced Stone Column by

    Numerical Analysis of the Reinforced Stone Column by Geosynthetic have studied the issue, based on reinforcing the soil foundation with stone columns, and some solutions for estimating bearing order to provide stable supply of excavation and providing appropriate stone column density in …

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  • Efficacy of Engineered Backfilling in Limiting Settlements

    Up to12%cash back · Oct 20, 2018 · The instrumentation readings obtained during the last phase of excavation was compared with that of numerical analysis using MC Model with the pressuremeter stiffness value of 8000 kPa clearly shows that the model displacement of backfill soil is not matching with the field data (Fig. 6). A series of back analysis was carried out by varying stiffness properties …

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  • China Diesel Engine Hydraulic 912 Loader Mininig Wheel

    China Diesel Engine Hydraulic 912 Loader Mininig Wheel Loader Woods Front End Loader, Find details about China Loader, Wheel Loaders from Diesel Engine Hydraulic 912 Loader Mininig Wheel Loader Woods Front End Loader - Jining Nicosail Machinery Co., Ltd.

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  • GEOTECHNICAL DESIGN PROCEDURE FOR FLEXIBLE WALL …

    B. An excavation to the bottom of the slope. Engineering judgment shall then be applied when determining which solution to use. Note in both the infinite and finite slope cases, if the angle β is equal to or greater than the internal angle of friction of the soil, the excavation shall be assumed to extend down to the bottom of the slope. 6.

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