Academic literature on the topic 'Embedment ratio'

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Journal articles on the topic "Embedment ratio"

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Zhang, Xin, and Jin Chao Yue. "Experimental Study on the Uplift Resistance of Plate Anchor in Sand." Advanced Materials Research 250-253 (May 2011): 1371–74. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.1371.

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An experimental investigation on the uplift resistance of circular plate anchor in both loose and dense sand is performed. A test set-up and an in-house data acquisition system are developed to capture the force and displacement when anchor uplifting. Two distinct load-displacement responses for plate anchor in loose and dense sand are observed. The peak uplift resistance and dimensionless breakout factor are significantly influenced by the sand density as well as the embedment ratio. The increasing rate of peak uplift resistance with embedment ratio is limited by the critical embedment ratio
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Shukla, Rajesh Prasad. "PILE SETTLEMENT INDUCED FROM SOIL MOVEMENT DUE TO BREAKDOWN OF RETAINING WALL." Acta Polytechnica 60, no. 4 (2020): 338–48. http://dx.doi.org/10.14311/ap.2020.60.0338.

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Very few studies measured the settlement of retaining wall supported piles foundation under a soil movement. This study explores the pile settlement induced from the sudden breakdown of a closely located retaining wall using a small-scale experimental model. Various factors affect the pile settlement, but the influence of the embedment ratio of the pile and collapsed height of the retaining wall is relatively more visible. The induced settlement decreases with pile embedment depth and increases with the collapsed height of the retaining wall. The pile settlement initially increases at a higher
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Rawat, Priyanka, and Rakesh Kumar Dutta. "Pressure Settlement Behaviour and Bearing Capacity of Asymmetric Embedded Plus Shaped Footing on Layered Sand." Civil and Environmental Engineering Reports 31, no. 3 (2021): 152–76. http://dx.doi.org/10.2478/ceer-2021-0039.

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Abstract The aim of the present numerical study was to analyse the pressure settlement behaviour and bearing capacity of asymmetric plus shaped footing resting on loose sand overlying dense sand at varying embedment depth. The numerical investigation was carried out using ABAQUS software. The effect of depth of embedment, friction angle of upper loose and lower dense sand layer and thickness of upper loose sand on the bearing capacity of the asymmetric plus shaped footing was studied in this investigation. Further, the comparison of the results of the bearing capacity was made between the asym
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Lee, In-Hwan, and Keon-Ho Kim. "Effect of physical properties of softwoods on embedment strength performance of self-tapping screws." BioResources 18, no. 2 (2023): 3576–89. http://dx.doi.org/10.15376/biores.18.2.3576-3589.

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The embedment strength performance of the self-tapping screw (STS) connector, used as a cross-laminated timber fastener, was evaluated considering tree species’ density and load direction as parameters. The STS had a diameter of 8, 10, and 12 mm. Considering the characteristics of the STS, the embedment strength of the threaded area and the shank area were compared. A larger diameter of the STS resulted in a higher yield load in all directions of the respective wood. The effective embedment area can estimate a more accurate value for the embedment strength. The embedment strength of the longit
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Hao, Dong Xue, Yu Cong Gao, and Rong Chen. "Estimation of Uplift Capacity of Excavated Foundation of Transmission Lines." Applied Mechanics and Materials 680 (October 2014): 361–64. http://dx.doi.org/10.4028/www.scientific.net/amm.680.361.

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Finite element model for the system of foundation and its surrounding homogeneous soil is established based on software ABAQUS to analyze the uplift behavior of excavated foundation of transmission lines. The influence of soil properties and embedment ratio were analyzed. Deep mode occurs when embedment ratio is more than 4. As for shallow mode, the shearing method based on cylinder sliding surface was used to estimate uplift capacity. The expression of nominal uplift coefficient of earth pressure Ku in the formula was determined via back-calculation and fitting, which is the function of embed
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Wang, An-hui, Yan-fang Zhang, Fan Xia, Ru-ping Luo, and Ning Wang. "Ultimate Bearing Capacity of Ring Foundations Embedded in Undrained Homogeneous Clay." Geofluids 2022 (July 13, 2022): 1–11. http://dx.doi.org/10.1155/2022/6382799.

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A ring foundation is widely used in bridges, water towers, caissons, and other engineering structures, and its ultimate bearing capacity is one of the significant concerns in engineering design. This paper is aimed at exploring the ultimate bearing capacity of ring foundations embedded in undrained clay. Based on the finite element limit analysis, effects of the inside-to-outside radius ratio, embedment depth ratio, cutting face inclination angle, and face roughness on the vertical ultimate bearing capacity of ring foundations are investigated. The results show that the ultimate bearing capaci
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Dong, Weiqun, Qiao Li, Hao Zhang, Zhiqiang Wang, Jianhui Zhou, and Meng Gong. "Embedment Strength of Cross-Laminated Timber for Smooth Dowel-type Fasteners." MATEC Web of Conferences 275 (2019): 01020. http://dx.doi.org/10.1051/matecconf/201927501020.

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Embedment strength is a significant property in the dowel type connection in timber structure, i.e. cross-laminated timber (CLT). The CLT design properties are different from those of sawn timber (ST) and glued-laminated timber (GLT) because of the orthogonal structure, which may particularly have influence on the design of connections. The layup feature, i.e. the thickness ratio of transverse layer (TRTL) was considered as an effective factor on CLT embedment strength in this study, except for other factors, i.e. wood density, smooth dowel diameter, and loading angle. Approximate 660 embedmen
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JAYA, V., G. R. DODAGOUDAR, and A. BOOMINATHAN. "SEISMIC SOIL–FOUNDATION–STRUCTURE INTERACTION ANALYSIS OF DEEPLY EMBEDDED VENTILATION STACK." Journal of Earthquake and Tsunami 06, no. 01 (2012): 1250003. http://dx.doi.org/10.1142/s1793431112500030.

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In this paper, the seismic response analysis of deeply embedded ventilation stack is addressed by considering the effects of soil–foundation–structure interaction (SFSI). Seismic SFSI analysis of the stack subjected to a site-specific design ground motion is carried out using finite element method. A parametric sensitivity analysis is made to investigate the effect of embedment and shear wave velocity ratio of the subsurface profile on the seismic response of the stack. The first series of the SFSI analysis is carried out for the stack with surface footing using computer program SASSI 2000. Th
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Wang, D., and C. D. O’Loughlin. "Numerical study of pull-out capacities of dynamically embedded plate anchors." Canadian Geotechnical Journal 51, no. 11 (2014): 1263–72. http://dx.doi.org/10.1139/cgj-2013-0485.

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Dynamically embedded plate anchors (DEPLAs) are a type of offshore anchor that combine the capacity advantages of vertically loaded plate anchors with the installation benefits of dynamically installed anchors. DEPLA capacity under monotonic loading conditions in clay has been investigated through centrifuge and field tests. In this paper, the monotonic capacity of DEPLAs in normally consolidated clay was studied using a three-dimensional large deformation finite element approach based on frequent mesh regeneration. Results from the numerical simulations were validated by comparison with centr
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Al-Sumaiday, Hashim G. Rasheed, and Israa S. Hussain Al-Tikrity. "Experimental Investigation of the Bearing Pressure for Circular and Ring Footings on Sand." Tikrit Journal of Engineering Sciences 20, no. 3 (2013): 64–74. http://dx.doi.org/10.25130/tjes.20.3.07.

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This paper presents the results of laboratory model tests of bearing pressure of circular and ring footing on sand. The effects of the embedment depth, internal friction of sand and the ratio of the inner to the outer diameter of the ring footing have been studied, in order to understand the behavior of the sand under the ring footing comparing with the circular one. An optimum ratio of the inner to outer diameter of the ring footing have been indicated which was (0.4), at which the bearing capacity will be greater than the circular footing. Also, the results indicated that there was no intere
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Dissertations / Theses on the topic "Embedment ratio"

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Chiluwal, Sundar. "Numerical Modeling of Helical Pile-to-Foundation Connections subjected to Monotonic and Cyclic Loads." University of Toledo / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1576021464589307.

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Book chapters on the topic "Embedment ratio"

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Manandhar, Satish, Seung-Rae Lee, and Gye-Chun Cho. "Rotation of a Cantilevered Sheet-Pile Wall with Different Embedment Ratios and Retaining a Liquefiable Backfill of Various Relative Densities." In Proceedings of the 4th International Conference on Performance Based Design in Earthquake Geotechnical Engineering (Beijing 2022). Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11898-2_93.

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"Variation of Breakout Factor With Embedment Ratio Based on Author's Empirical Formula." In Irregular Shape Anchor in Cohesionless Soils. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-809550-8.09965-2.

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"Variation of Breakout Factor With Embedment Ratio Based on the Author’s Empirical Formula." In Soil Reinforcement for Anchor Plates and Uplift Response. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-809558-4.00015-7.

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"Variation of Breakout Factor With Embedment Ratio Based on Vesic Theory (1971) in Dense Sand." In Irregular Shape Anchor in Cohesionless Soils. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-809550-8.09958-5.

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"Variation of Breakout Factor With Embedment Ratio Based on Vesic Theory (1971) in Loose Sand." In Irregular Shape Anchor in Cohesionless Soils. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-809550-8.09959-7.

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"Variation of Breakout Factor With Embedment Ratio Based on Balla's Theory (1961) in Dense Sand." In Irregular Shape Anchor in Cohesionless Soils. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-809550-8.09963-9.

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"Variation of Breakout Factor With Embedment Ratio Based on Balla's Theory (1961) in Loose Sand." In Irregular Shape Anchor in Cohesionless Soils. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-809550-8.09964-0.

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"Variation of Breakout Factor With Embedment Ratio Based on Balla’s Theory (1961) in Loose Sand." In Soil Reinforcement for Anchor Plates and Uplift Response. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-809558-4.00016-9.

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"Variation of Breakout Factor With Embedment Ratio Based on Balla’s Theory (1961) in Dense Sand." In Soil Reinforcement for Anchor Plates and Uplift Response. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-809558-4.00017-0.

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"Variation of Breakout Factor With Embedment Ratio Based on Vesic’s Theory (1971) in Loose Sand." In Soil Reinforcement for Anchor Plates and Uplift Response. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-809558-4.00021-2.

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Conference papers on the topic "Embedment ratio"

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Hao, Dongxue, Xichao Chen, Rong Chen, and Chi Yuan. "Numerical Investigation on Uplift Capacity and Failure Mode of Inclined Circular Plate/Helical Anchor in Sand." In ASME 2024 43rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/omae2024-134450.

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Abstract Inclined circular plate or helical anchor has been extensively used as tensile foundations with certain horizontal forces, such as transmission tower and offshore structure foundations. The studies on the influences of inclination angle on the bearing characteristics under different sand compactness and embedment depth are insufficient. Therefore, this research carried out FEM analysis using a modified Mohr-Coulomb model considering the variation of mobilized sand strength, and the coupled Eulerian-Lagrangian technique to investigate the influence of inclined angle and embedment depth
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Wang, Dong, Yuxia Hu, and Mark F. Randolph. "Three-Dimensional Large Deformation Analyses of Plate Anchor Keying in Clay." In ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/omae2008-57218.

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Plate anchors are a relatively new type of offshore anchorage in deep water. Plate anchors are usually installed vertically, followed by rotation under eccentric pulling force. In normally consolidated clay, the embedment loss during keying may reduce the anchor capacity significantly. The keying behaviour of rectangular anchors is investigated here using a three-dimensional large deformation finite element approach. This approach adopts mesh regeneration to avoid severe distortion of soil elements, as well as mapping the stresses and material parameters from the old to the new mesh. To study
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Xiao, Zhong, Yumin Lu, and Ying Liu. "Undrained Uniaxial Capacities of Suction Bucket Foundations in Rows." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77205.

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Suction bucket foundations in rows, sunk by self-weight and passive suction, can be used as footings of breakwater, trestle bridge, offshore cofferdam and other structures, and they have a fine application prospect on soft soil for their advantages of good bearing capacities, simple construction, low investment, being reusable and so forth. A large number of finite-element models for suction bucket foundations in undrained soft clay were established to investigate uniaxial capacities of suction bucket foundations, and the effects of foundations spacing ratio, embedment ratio and soil shear str
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An, Hongwei, Chengcai Luo, Liang Cheng, and David White. "A Re-Examination of the Hydrodynamic Forces Acting on Partially-Buried Submarine Pipelines." In ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/omae2012-83269.

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The hydrodynamic forces exerted on a pipeline partially buried in a permeable seabed subjected to combined random oscillatory flow are investigated experimentally. The tests were carried out in a re-circulating flume that can generate steady currents, oscillatory flow and combined flow, known as the O-tube. The performance of the testing facility was validated against published experimental data under regular oscillatory flow conditions. Four tests with different embedment depths, under random oscillatory flow conditions were then carried out. The flow velocity, hydrodynamic pressure around th
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Roy, Anamitra, Shiaohuey Chow, Conleth O’Loughlin, and Mark Randolph. "Effect of Stress History and Shallow Embedment on Centrifuge Cone Penetration Tests in Sand." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95393.

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Abstract The paper investigates the effect of stress history and shallow embedment on centrifuge cone penetration tests in sand. A series of centrifuge cone penetration tests were performed in loose and dense silica sand at g-levels ranging between 20 and 100 with corresponding overconsolidation ratio (OCR) between 1 and 5. Based on the measured cone tip resistance (qc) profiles, improved empirical correlations have been proposed with depth factors (fD) to impart additional flexibility in accurately back predicting sand relative density (RD) at shallow embedment in normally consolidated (NC) s
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An, Hongwei, Muhammad Shazzad Hossain, Youngho Kim, et al. "Local Scour Around the Touchdown Zone of a Pipeline-Riser System." In ASME 2024 43rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/omae2024-127231.

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Abstract This paper presents a series of physical model tests for investigating local scour around the touchdown zone of a pipeline-riser system used for liquefied natural gas (LNG) offloading. The local scour around a J-shape pipeline-riser system is influenced by several parameters, including the curvature radius to pipeline-riser diameter ratio (R/D), pipe embedment ratio (e/D), flow intensity (defined by the ratio of the Shields parameter to the critical Shields parameter, θ/θcr), and flow direction (α). The model tests were conducted using a model pipe with a diameter of D = 0.07 m and R/
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Haq, M. Masood, and S. Kenny. "Lateral Buckling Response of Subsea HTHP Pipelines Using Finite Element Methods." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10585.

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Subsea pipelines are subject to load effects from external hydrostatic pressure, internal pressure, operating temperature, ambient temperature and external reactions (e.g. seabed, structural support). These parameters influence the effective axial force that governs the pipeline global buckling response. Other factors, including installation stress, seabed slope, soil type, and embedment depth, can influence the pipe effective force. Pipelines laid on the seabed surface or with limited embedment may experience lateral buckling. The resultant mode response is a complex function related to the s
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Li, Zeliang, Yinghui Tian, Shubhrajit Maitra, Mark Cassidy, and Christophe Gaudin. "The Load Bearing Mechanism and Holding Capacity of Helical Piles Subjected to Uplifting." In ASME 2024 43rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/omae2024-127177.

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Abstract Helical piles have been widely used onshore which can withstand compressive and tensile loads. As a promising foundation for offshore wind developments in deep water, helical pile has advantages of quiet installation and significant uplift capacity. In this paper, numerical analyses are conducted to investigate the load bearing mechanism considering the contributions from shaft and helical plate. The effects of helical plate embedment depth, interface roughness and shaft diameter ratio are studied. A discussion is presented on the terminology adoption depending on the contribution fro
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Emami Azadi, M. Reza. "The Influence of Spud-Can-Soil Interaction on Non-Linear Dynamic Response of a Three-Leg North-Sea Drilling Jack-Up System." In ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/omae2008-57040.

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In the present work, we have studied the effects of jack-up-soil interaction parameters on the global nonlinear dynamic response of jack-up platform. Various support conditions are initially considered for translational as well rotational degrees of freedom of jack-up rig. Then the influence of soil type on the dynamic response of hull is investigated. The soil type is varied between loose to very dense sand and from soft to stiff clays. Meanwhile, the effect of variation of soil’s shear modulus is considered. The effects of spud-can embedment ratio and spud-can apex-angle on the overall dynam
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Kay, S., and E. Palix. "Caisson Capacity in Clay: VHM Resistance Envelope: Part 3—Extension to Shallow Foundations." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49077.

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Suction embedded caissons are efficient and economic solutions to anchor floating structures. A more recent caisson application is to support seafloor structures such as manifolds, PLEMs, pumps, etc. For a deepwater hydrocarbon field, many types of seafloor structures are required, each with their own characteristics and slightly different design. Caisson designs increasingly use resistance envelope methodology. This eliminates non-linear 3D FE analyses (except for assessing responses or soil reactions), and facilitates probabilistic and optimisation analyses. In general, there is a requiremen
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