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Journal articles on the topic 'Compressible sediment'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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1

Yan, Yi Zhi, Chang Xin Xiong, and Zhi Min Su. "Seismic Response of Dam-Sediment-Water on Fluid-Solid Coupling." Applied Mechanics and Materials 353-356 (August 2013): 2645–51. http://dx.doi.org/10.4028/www.scientific.net/amm.353-356.2645.

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Studying the important effects of sediments on the seismic response of dams ,This paper established the calculation model based on regarding the water reservoir as compressible fluid ,the dam and the foundation as an elastic solid, the sediment as Liquid-Solid two-phase porous medium. The results showed that the sediment thickness and properties have important effects on the dam seismic. Increasing the thickness of sediment ,the seismic response of acceleration significantly decreased, the hydrodynamic pressure significantly reduced , which is benefited to the safety of the dam.

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2

Stamatakis, K., and Chi Tien. "Batch sedimentation calculations — the effect of compressible sediment." Powder Technology 72, no. 3 (November 1992): 227–40. http://dx.doi.org/10.1016/0032-5910(92)80042-u.

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3

Ooi, Jieun Lin, Lee Woen Ean, Bashar S. Mohammed, M. A. Malek, Leong Sing Wong, Chao Wei Tang, and He Qing Chua. "Study on the Properties of Compressed Bricks Using Cameron Highlands Reservoir Sediment as Primary Material." Applied Mechanics and Materials 710 (January 2015): 25–29. http://dx.doi.org/10.4028/www.scientific.net/amm.710.25.

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This research is to investigate the properties of compressed building bricks producedfrom Cameron Highlands reservoir sediment. The particle size distribution of the sediments are graded as silt and sand. The sediments used were as total replacement of the normal soils used in the compressed soil bricks. This paper presents the compilation of experimental brick properties; compressive strength, water absorption, microstructure and heavy metal leachingof the compressed sediment bricks. The experimental results shows that increasing use of reservoir sediments decrease the compressive strength an

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4

Qiu, Haomiao, Tangdai Xia, Weiyun Chen, and Bingqi Yu. "Low-frequency pseudo-Rayleigh and pseudo-Scholte waves at an interface of liquid/soft porous sediment with underlying hard porous sediment substrate." Geophysical Journal International 219, no. 1 (July 25, 2019): 540–52. http://dx.doi.org/10.1093/gji/ggz295.

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Summary The paper focuses on the propagation of low-frequency pseudo-Rayleigh and pseudo-Scholte waves at the liquid/soft porous sediment interface with an underlying hard porous sediment half-space. The overlying liquid is assumed to be ideal compressible medium and the porous sediments are modelled by Biot theory. Based on the boundary conditions, the closed-form dispersion equations of far-field interface waves are deduced using 2-D Helmholtz decomposition theorem and Fourier transform. The velocity and attenuation of pseudo-Rayleigh and pseudo-Scholte waves are determined by Newton iterati

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Nodoushan, Ehsan Jafari, та Ahmad Shakibaeinia. "Multiphase mesh-free particle modeling of local sediment scouring with μ(I) rheology". Journal of Hydroinformatics 21, № 2 (4 грудня 2018): 279–94. http://dx.doi.org/10.2166/hydro.2018.068.

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Abstract Sediment scouring is a common example of highly dynamic sediment transport. Considering its complexities, the accurate prediction of such a highly dynamic multiphase granular flow system is a challenge for the traditional numerical techniques that rely on a mesh system. The mesh-free particle methods are a newer generation of numerical techniques with an inherent ability to deal with the deformations and fragmentations of a multiphase continuum. This study aims at developing and evaluating a multiphase mesh-free particle model based on the weakly compressible moving particle semi-impl

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6

Piecuch, Tadeusz, Jacek Piekarski, and Grażyna Malatyńska. "The Equation Describing the Filtration Process with Compressible Sediment Accumulation on a Filter Mesh." Archives of Environmental Protection 39, no. 1 (March 1, 2013): 93–104. http://dx.doi.org/10.2478/aep-2013-0009.

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Abstract Filtration process is one of the basic and essential processes in technological systems for treatment of municipal, community and industrial wastewater treatment. Filtration process is a subject of numerous published research and theoretical elaborations. This publication concerns theoretical analysis with basic character, and is a verification of theoretical analysis and physical equations describing process of filtration aided with empirical formulas.

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7

Damsgaard, A., D. L. Egholm, J. A. Piotrowski, S. Tulaczyk, N. K. Larsen, and C. F. Brædstrup. "A new methodology to simulate subglacial deformation of water saturated granular material." Cryosphere Discussions 9, no. 4 (July 13, 2015): 3617–60. http://dx.doi.org/10.5194/tcd-9-3617-2015.

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Abstract. The dynamics of glaciers are to a large degree governed by processes operating at the ice–bed interface, and one of the primary mechanisms of glacier flow over soft unconsolidated sediments is subglacial deformation. However, it has proven difficult to constrain the mechanical response of subglacial sediment to the shear stress of an overriding glacier. In this study, we present a new methodology designed to simulate subglacial deformation using a coupled numerical model for computational experiments on grain-fluid mixtures. The granular phase is simulated on a per-grain basis by the

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8

Isaev, Veniamin, Andrey Maltsev, and Andrey Karpov. "Calculating methodology of large base slabs: compressible strata capacity and foundation settlement." MATEC Web of Conferences 196 (2018): 03002. http://dx.doi.org/10.1051/matecconf/201819603002.

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The paper focuses on determining foundation active zones and calculating foundation settlement which is the question of great scientific and practical interest. According to existing methodologies, researchers apply the theory of homogeneous isotropic linear-deformable medium to determine the deformation of soil foundations. In this study the authors propose to use the theory of soils compression seal and its one-dimensional problem solution to calculate the sediment of large base slabs. To justify this methodology, the authors specify the minimum size of foundation slabs. They analyze the Bou

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9

Damsgaard, A., D. L. Egholm, J. A. Piotrowski, S. Tulaczyk, N. K. Larsen, and C. F. Brædstrup. "A new methodology to simulate subglacial deformation of water-saturated granular material." Cryosphere 9, no. 6 (November 20, 2015): 2183–200. http://dx.doi.org/10.5194/tc-9-2183-2015.

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Abstract. The dynamics of glaciers are to a large degree governed by processes operating at the ice–bed interface, and one of the primary mechanisms of glacier flow over soft unconsolidated sediments is subglacial deformation. However, it has proven difficult to constrain the mechanical response of subglacial sediment to the shear stress of an overriding glacier. In this study, we present a new methodology designed to simulate subglacial deformation using a coupled numerical model for computational experiments on grain-fluid mixtures. The granular phase is simulated on a per-grain basis by the

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10

Smolin, Yu P., and K. V. Vostrikov. "COMPACTION OF SATURATED SOILS WITH REGARD TO COMPRESSIBLE PORE FLUID AND SOIL CREEP." Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture 21, no. 5 (October 29, 2019): 192–99. http://dx.doi.org/10.31675/1607-1859-2019-21-5-192-199.

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The paper describes the problem of consolidation of clay soil with spherical tensor and stress deviator, taking into account compressibility of pore fluid and the soil creep. In solving the problem, the differential equation is suggested for compacting cohesive soil filled with linearly compressible groundwater. It is considered that the gas volume in the groundwater does not exceed 10 %. The solution of the differential equation is based on the Fourier transform.For the numerical calculation of creep during compaction of consolidated soil an easy-touse method was used, i.e. testing of soil sa

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11

Frar, Ikram, Houdaifa Bakkali, Mohammed Ammari, and Laïla Ben Allal. "Integration of Port Dredged Sediments Into the Production of Fired Clay Bricks." Journal of Solid Waste Technology and Management 45, no. 4 (November 1, 2019): 428–40. http://dx.doi.org/10.5276/jswtm/2019.428.

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Bricks manufactured, based on dredged sediments extracted from Tangier and Larache ports in Morocco were investigated. Chemical, physical, geotechnical, mineralogical and environmental characterizations studies of ports dredged sediments were performed. Partial substitution of natural clay by dredged sediments was achieved with different substitution rates by weight (20%, 40%, 50%, 60% and 70%) to manufacture brick samples at the laboratory scale. The compressive strength was the factor determining the optimal substitution rate of the natural clay. Compressive strength values of fired bricks w

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12

Pakhomova, E. G., O. I. Kutsenko, A. S. Morozova, and A. R. Timokhina. "Settlement Computation of Homogeneous Base." Proceedings of the Southwest State University 23, no. 6 (February 23, 2020): 90–98. http://dx.doi.org/10.21869/2223-1560-2019-23-6-90-98.

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Purpose of reseach. This article proposes the development of a new methodology for determining the settlement of a homogeneous foundation base on the basis of the layer-by-layer summation method, which reduces the amount of calculations performed.Methods. The boundary of the compressible stratum can be determined graphically from the condition that the additional stresses are equal to half the natural stresses. Knowing the value of the depth of the compressible stratum, we can determine the total value of the coefficients included in the well-known formula for calculating the settlement of the

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13

Тер-Мартиросян, Завен, Zaven Ter-Martirosyan, Армен Тер-Мартиросян, and Armen Ter-Martirosyan. "INTERACTION OF LONG PILE FINITE STIFFNESS WITH THE BROADENING HEEL AND THE SURROUNDING SOIL." Construction and Architecture 3, no. 2 (January 30, 2016): 79–86. http://dx.doi.org/10.12737/14963.

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The article is formulating and solving problems of the interaction of the long pile with finite stiffness with the broadening heel and the surrounding soil, having nonlinear and rheological properties. It is shown that the distribution of longitudinal stresses, in the trunk of the pile and tangential stresses at the contact with the soil pile depth is not linear, and this nonlinearity depends essentially on the nonlinear properties of the soil, the ratio of length and diameter of the pile and its stiffness. Judgments obtained in closed form allow us to determine sediment pile at the pile tip a

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14

Hadj Sadok, Rachid, Walid Maherzi, Mahfoud Benzerzour, Richard Lord, Keith Torrance, Agnes Zambon, and Nor-Edine Abriak. "Mechanical Properties and Microstructure of Low Carbon Binders Manufactured from Calcined Canal Sediments and Ground Granulated Blast Furnace Slag (GGBS)." Sustainability 13, no. 16 (August 12, 2021): 9057. http://dx.doi.org/10.3390/su13169057.

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This research study evaluated the effects of adding Scottish canal sediment after calcination at 750 °C in combination with GGBS on hydration, strength and microstructural properties in ternary cement mixtures in order to reduce their carbon footprint (CO2) and cost. A series of physico-chemical, hydration heat, mechanic performance, mercury porosity and microstructure tests or observations was performed in order to evaluate the fresh and hardened properties. The physical and chemical characterisation of the calcined sediments revealed good pozzolanic properties that could be valorised as a po

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15

Qureshi, Mohsin Usman, Maryam Alsaidi, Mubashir Aziz, Ilhan Chang, Ali Murtaza Rasool, and Zaheer Abbas Kazmi. "Use of Reservoir Sediments to Improve Engineering Properties of Dune Sand in Oman." Applied Sciences 11, no. 4 (February 10, 2021): 1620. http://dx.doi.org/10.3390/app11041620.

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Managing sediments dredged from reservoirs of recharge dams is an environmental issue, however, these sediments can be an abundant and economical source of fine-grained fill soil. This experimental investigation quantifies the geotechnical properties of a reservoir sediment used to improve engineering properties of a poorly graded dune sand in Oman. The binary mixes were prepared with different percentages (5, 10, 20, 50, 75, 90, 95%) of sediment with sand. Laboratory tests such as gradation, consistency limits, compaction, and unconfined compression tests were performed to measure the enginee

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16

Li, Qin, and Ke Wei Sun. "Research on Environment-Friendly Soil Stabilizer Solidifying Buildings Residues for Paving Materials." Advanced Materials Research 335-336 (September 2011): 1155–58. http://dx.doi.org/10.4028/www.scientific.net/amr.335-336.1155.

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Two groups of buildings residues was studied in the paper as to unconfined compressive strength, soaked unconfined compressive strength, shrinkage values, porosity. It is show that Q2 soil stabilizer can improve the micro-structure of solidified blocks of buildings sediment for dispersed sphere-shaped particles can be generated by Q2 soil stabilizer mixed with buildings residues and cement. As a result, the solidified block of buildings sediments was improved in the properties in its increased unconfined compressive strength, decreased shrinkage values and higher durability.

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17

Chua, He Qing, Lee Woen Ean, Bashar S. Mohammed, M. A. Malek, Leong Sing Wong, Chao Wei Tang, Zhi Kwong Lee, et al. "Potential Use of Cameron Highlands Reservoir Sediment in Compressed Bricks." Key Engineering Materials 594-595 (December 2013): 487–91. http://dx.doi.org/10.4028/www.scientific.net/kem.594-595.487.

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The objective of this research is to investigate the potential use of Cameron Highland reservoir sediment in compressed brick production. The sediments can be classified as well-graded clayey sandy SILT and well-graded gravely SAND whereby the grain size is comparable to the grain size of sand and silt. The sediment was used as a 100 % replacement for the soils content in conventional soil cement bricks. Besides that, sodium bentonite, mica, fly ash and bottom ash are used as pozzolan to partially replace the cement in the sediment cement bricks. This paper presents the compressive strength of

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18

Zouch, Afef, Yannick Mamindy-Pajany, Ilyas Ennahal, Nor-Edine Abriak, and Mohamed Ksibi. "An eco-friendly epoxy polymer binder for the treatment of Tunisian harbor sediments: Laboratory investigations for beneficial reuse." Waste Management & Research 38, no. 8 (March 13, 2020): 876–85. http://dx.doi.org/10.1177/0734242x20910234.

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The management of dredged sediments poses serious environmental and economic problems because of their geochemical properties and in particular their pollutant content. In this research, marine sediments from Tunisian harbors were collected to study their beneficial reuse as construction materials using an eco-friendly polymer binder. Experimental investigations include the determination of physicochemical, mineralogical, and environmental parameters of sediments from the Sidi Mansour and Sidi Youssef areas in Tunisia. Prismatic mortar samples (4 × 4 × 16 cm) were prepared at laboratory scale

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19

Huang, C., J. R. Pan, K. D. Sun, and C. T. Liaw. "Reuse of water treatment plant sludge and dam sediment in brick-making." Water Science and Technology 44, no. 10 (November 1, 2001): 273–77. http://dx.doi.org/10.2166/wst.2001.0639.

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In this study, an attempt was made to use water treatment plant (WTP) sludge and dam sediment as raw materials for brick-making through the sintering process. The sinter of dam sediment fired at 1,050°C had a less than 15% ratio water absorption, and its compressive strength and bulk density met the Chinese National Standard (CNS) for first level brick. The WTP sludge sinter made under the same operating condition exhibited higher water absorption, larger shrinkage, but poorer compressive strength. When fired at 1,100°C, the shrinkage of the WTP sludge sinter was as high as 45%, although its c

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20

Junakova, Natalia, and Jozef Junak. "Beneficial Reuse of Reservoir Sediments in Concrete Production." Advanced Materials Research 1100 (April 2015): 202–6. http://dx.doi.org/10.4028/www.scientific.net/amr.1100.202.

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This research investigates the potential use of dredged reservoir sediments as a substitute of raw material in concrete production. The first objective is to determine the physical and chemical characteristics of dredged sediments. Based on these sediment characteristics, it appears appropriate to use them as a partial substitute for the natural aggregate in the concrete production. The research results show that concrete mixtures prepared in weight ratio 20 % of coarse-grained sediments as a partial substitute of 0/4 natural aggregate fraction in concrete to 80 % of natural aggregate reached

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21

Chen, Guan Huan, and Jian Zhong Zhu. "An Experiment for Effects of Different Additives on Strength of Sediment Solidification." Applied Mechanics and Materials 357-360 (August 2013): 1235–40. http://dx.doi.org/10.4028/www.scientific.net/amm.357-360.1235.

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The solidification method is a significant and resultful method for the disposal of dredged sediment. Solidified agents can be employed to improve the unconfined compressive strength (UCS) of sediment solidification. In this work, considering of economy and practicability, three kinds of optimized compound additives are selected and investigated on the effects of UCS of sediment solidification. 7d., 14d.and 28d. solidification stadium were taken to test the UCS of samples. Results showed that the activator had the best effect on increasing the UCS. The comparative tests also indicated that add

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Tsai, Wen Po, Hui Wen Liao, Ho Ji Chen, and Kuo Chang Jane. "A Research of Reservoir Sediment Solidification Using Biotechnology." Advanced Materials Research 610-613 (December 2012): 2761–65. http://dx.doi.org/10.4028/www.scientific.net/amr.610-613.2761.

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At the end of 2010, almost all reservoirs in Taiwan have sedimentation problem. Sedimentation in major reservoirs, such as Wushoh reservoir, had reached 63.73% of its storage capacity in 2009, and must undergo dredging. However, agencies responsible for the final processing stages of reservoir sediments failed to come up with a breakthrough. Limitations established by environmental protection laws also hindered proper dredging of the reservoirs. Hence, further investigation was required for solidifying and reusing reservoir sediments. This research focused on the reuse of Wushoh reservoir sedi

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23

Alcalá-García, F. J., M. Martín-Martín, and A. López-Galindo. "Clay mineralogy of the Tertiary sediments in the Internal Subbetic of Málaga Province, S Spain: implications for geodynamic evolution." Clay Minerals 36, no. 4 (December 2001): 615–20. http://dx.doi.org/10.1180/0009855013640013.

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AbstractThe clay mineralogy of a set of Tertiary marine sediments from the Internal Subbetic of the Betic External Zone was examined. Two types of sedimentary environment were distinguished: a platform environment consisting of limestones, marls, organogenic limestones, conglomerates and silexites distributed heterogeneously in time and space; and deep environments, where the sedimentation consisted of marls, marly limestones, marly clays and silexites, with no sedimentary gap. A third group of sediments studied belongs to the Águila Complex, with mineralogical and stratigraphic characteristic

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Manap, Norpadzlihatun, Gomathi Govindasamy, Sulzakimin Mohamed, Narimah Kasim, Sharifah Meryam Shareh Musa, and Mohd Yamani Yahya. "Performance of Dredged Sediment as a Replacement for Fine Aggregates in Concrete Mixture: Case Study at Sungai Pekan, Pahang." MATEC Web of Conferences 266 (2019): 01017. http://dx.doi.org/10.1051/matecconf/201926601017.

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Dredging is essential to maintain suitable depth for shipping by removing dredged sediments from sea and river banks. It is also an important process to supply construction material. In Pahang, increasing flood cases is occurring due to increased sea and river bed level. Thus, dredging is needed to be performed in this location. In addition, the rapid growth of the construction industry requires a sustainable approach. The reuse of dredged sediments as construction material could be a sustainable approach. Therefore, this research aims to study the engineering properties of dredged sediments a

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Moore, Peter L., Neal R. Iverson, Keith A. Brugger, Denis Cohen, Thomas S. Hooyer, and Peter Jansson. "Effect of a cold margin on ice flow at the terminus of Storglaciären, Sweden: implications for sediment transport." Journal of Glaciology 57, no. 201 (2011): 77–87. http://dx.doi.org/10.3189/002214311795306583.

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AbstractThe cold-based termini of polythermal glaciers are usually assumed to adhere strongly to an immobile substrate and thereby supply significant resistance to the flow of warm-based ice up-glacier. This compressive environment is commonly thought to uplift basal sediment to the surface of the glacier by folding and thrust faulting. We present model and field evidence from the terminus of Storglaciären, Sweden, showing that the cold margin provides limited resistance to flow from up-glacier. Ice temperatures indicate that basal freezing occurs in this zone at 10−1 −10−2 m a−1, but model re

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Kosterin, A. V., G. N. Marchenko, and V. F. Sharafutdinov. "Collection of compressible sediments by filtration." Journal of Engineering Physics 57, no. 6 (December 1989): 1431–36. http://dx.doi.org/10.1007/bf00871385.

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27

Patterson, Carrie J., and Roger LeB Hooke. "Physical environment of drumlin formation." Journal of Glaciology 41, no. 137 (1995): 30–38. http://dx.doi.org/10.1017/s0022143000017731.

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AbstractReview of published descriptions of drumlin fields suggests that the following conditions are important to drumlin growth: (1) compressive longitudinal and possibly extending transverse strain rates in the ice, (2) thin ice such as occurs near the glacier margin, and (3) high pore-water pressure in the subglacial sediments. Most drumlin fields display all of these, and no fields of well-developed drumlins were found that did not. On the oilier hand, the lithology of drumlin-forming sediment appears not to be important in promoting drumlin growth, since it varied widely, nor are the lit

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Patterson, Carrie J., and Roger LeB Hooke. "Physical environment of drumlin formation." Journal of Glaciology 41, no. 137 (1995): 30–38. http://dx.doi.org/10.3189/s0022143000017731.

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AbstractReview of published descriptions of drumlin fields suggests that the following conditions are important to drumlin growth: (1) compressive longitudinal and possibly extending transverse strain rates in the ice, (2) thin ice such as occurs near the glacier margin, and (3) high pore-water pressure in the subglacial sediments. Most drumlin fields display all of these, and no fields of well-developed drumlins were found that did not. On the oilier hand, the lithology of drumlin-forming sediment appears not to be important in promoting drumlin growth, since it varied widely, nor are the lit

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29

Jie, Tang, Ian Lerche, and Jeff Cogan. "Elastic flexure with compressive thrusting of the Green River Basin, Wyoming, U.S.A." Geological Magazine 127, no. 4 (July 1990): 349–59. http://dx.doi.org/10.1017/s0016756800014904.

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AbstractAn inverse elastic flexural model with compressive thrusting is applied to the northern Green River Basin, Wyoming. A combination of six parameters in the model determines the deformational processes of basement due to sediment load and compressive thrusting: flexural rigidity, lateral stress, bending moment, initial load, dip angle of the basement, and length. The results suggest that the northern Green River Basin develops dominantly as an elastic flexural response to the deformation of basement due to compressive thrusting of the Wind River Mountains. From the unloaded basement conf

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Chen, How Ji, Ming Der Yang, Wen Po Tsai, and Yung Hsuan Chang. "Mircobial Sediment Solidification." Applied Mechanics and Materials 117-119 (October 2011): 1014–17. http://dx.doi.org/10.4028/www.scientific.net/amm.117-119.1014.

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In recent years, the reservoir sediments have been a disturbance to Taiwan government, and are getting worse due to the climate change. Consequently, it becomes an urgent issue for the authority to dredge and dispose reservoir sludge effectively. Material researchers in civil engineering and environmental engineering, cooperating with microbiologists and geochemists, have recently attempted the solidification of sludge granules into sandstone-like materials employing microorganisms. The aim of this study is to investigate the approach to solidify sludge or soil particle rapidly to attain stren

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Sharpe, David R. "Late Glacial landforms of Wollaston Peninsula, Victoria Island, Northwest Territories: product of ice-marginal retreat, surge, and mass stagnation." Canadian Journal of Earth Sciences 25, no. 2 (February 1, 1988): 262–79. http://dx.doi.org/10.1139/e88-029.

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An analysis of glacial landforms on a regional scale leads to an interpretation of the dynamics of Late Wisconsinan glaciation on Wollaston Peninsula, Victoria Island, Northwest Territories. The glacial record is dominated by four adjacent belts of landforms: (I) ground moraine (till plains and ice-marginal drainage features), (II) hummocky moraine, (III) lateral and shear moraine, and (IV) streamlined landforms. The landform belts are considered as representing four distinct glacial ice conditions or regimes: (1) ice-margin retreat during extending flow of thin, active ice; (2) marginal ice s

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Trakoolngam, Kritika, and Sarunya Promkotra. "Mechanical Behavior of Fired-Clay Bricks from Stream Sediments under Uniaxial Compressive Loading." Key Engineering Materials 690 (May 2016): 252–58. http://dx.doi.org/10.4028/www.scientific.net/kem.690.252.

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In the northeast of Thailand, raw material for fired-clay brick is obtained from fine stream sediments in the lower Nam Phong and upper Chi River sub-watersheds. Hundreds of brickyards exist along the waterway producing rice husk ash (RHA) bricks for construction. Technical study on the production of these bricks is limited, therefore, detailed studies on mechanical and chemical properties will enhance the understanding of the production process in order for further improvement. In this study, a preliminary investigation of the brickyards and production process was conducted. Brick samples as

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Sharp, Martin. "Sedimentation and Stratigraphy at Eyjabakkajökull—An Icelandic Surging Glacier." Quaternary Research 24, no. 3 (November 1985): 268–84. http://dx.doi.org/10.1016/0033-5894(85)90050-x.

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A model for sedimentation by surging glaciers is developed from analysis of the debris load, sedimentary processes, and proglacial stratigraphy observed at the Icelandic surging glacier, Eyjabakkajökull. Three aspects of the behavior of surging glaciers explain the distinctive landformsediment associations which they may produce: (a) sudden loading of proglacial sediments during rapid glacier advances results in the buildup of excess pore pressures, failure, and glacitectonic deformation of the overridden sediments; (b) reactivation of stagnant marginal ice by the downglacier propagation of su

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Etzelmüller, B., J. O. Hagen, G. Vatne, R. S. Ødegård, and J. L. Sollid. "Glacier debris accumulation and sediment deformation influenced by permafrost: examples from Svalbard." Annals of Glaciology 22 (1996): 53–62. http://dx.doi.org/10.3189/1996aog22-1-53-62.

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The formation of ice-cored moraines and push moraines is discussed in the light of glacier thermal regime and glacier dynamics. Data from two Svalbard valley glaciers, Erikbreen and Usherbreen are presented. On Erikbreen, fossil forms were investigated, while on Usherbreen a surge ending in 1985 caused the formation of new push-moraine ridges. The push moraines are considered as a soil-mechanical problem. In a theoretical discussion the stress transmitted by the glaciers to the proglacial sediments is estimated. On Usherbreen, the compressive flow results in deformation both in old front ridge

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Etzelmüller, B., J. O. Hagen, G. Vatne, R. S. Ødegård, and J. L. Sollid. "Glacier debris accumulation and sediment deformation influenced by permafrost: examples from Svalbard." Annals of Glaciology 22 (1996): 53–62. http://dx.doi.org/10.1017/s0260305500015214.

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The formation of ice-cored moraines and push moraines is discussed in the light of glacier thermal regime and glacier dynamics. Data from two Svalbard valley glaciers, Erikbreen and Usherbreen are presented. On Erikbreen, fossil forms were investigated, while on Usherbreen a surge ending in 1985 caused the formation of new push-moraine ridges. The push moraines are considered as a soil-mechanical problem. In a theoretical discussion the stress transmitted by the glaciers to the proglacial sediments is estimated. On Usherbreen, the compressive flow results in deformation both in old front ridge

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Tréhu, Anne M., Bridget Hass, Alexander de Moor, Andrei Maksymowicz, Eduardo Contreras-Reyes, Emilio Vera, and Michael D. Tryon. "Geologic controls on up-dip and along-strike propagation of slip during subduction zone earthquakes from a high-resolution seismic reflection survey across the northern limit of slip during the 2010 Mw 8.8 Maule earthquake, offshore Chile." Geosphere 15, no. 6 (November 7, 2019): 1751–73. http://dx.doi.org/10.1130/ges02099.1.

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Abstract A grid of closely spaced, high-resolution multichannel seismic (MCS) reflection profiles was acquired in May 2012 over the outer accretionary prism up dip from the patch of greatest slip during the 2010 Mw 8.8 Maule earthquake (offshore Chile) to complement a natural-source seismic experiment designed to monitor the post-earthquake response of the outer accretionary prism. We describe the MCS data and discuss the implications for the response of the accretionary prism during the earthquake and for the long-term evolution of the margin. The most notable observation from the seismic ref

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Tran, Van Quan. "Compressive Strength Prediction of Stabilized Dredged Sediments Using Artificial Neural Network." Advances in Civil Engineering 2021 (March 20, 2021): 1–8. http://dx.doi.org/10.1155/2021/6656084.

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Stabilized dredged sediments are used as a backfilling material to reduce construction costs and a solution to environmental protection. Therefore, the compressive strength is an important criterion to determine the stabilized dredged sediments application such as road construction, building construction, and highway construction. Using the traditional method such as empirical approach and experimental methods, the determination of compressive strength of stabilized dredged sediments is difficult due to the complexity of this composite material. In this investigation, the artificial neural net

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SCHOOF, CHRISTIAN. "Pressure-dependent viscosity and interfacial instability in coupled ice–sediment flow." Journal of Fluid Mechanics 570 (January 3, 2007): 227–52. http://dx.doi.org/10.1017/s0022112006002874.

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We study an interfacial instability in the coupled flow of ice and subglacial sediment, both modelled as viscous media. Unlike other interfacial instabilities in coupled viscous flows at zero Reynolds number, the mechanism considered here does not rely on buoyancy or the effect of an upper free surface, but on the pressure-dependence of the sediment viscosity. Specifically, the instability relies on sediment rheology being such that, when sediment flows in simple shear, sediment flux increases with compressive normal stress at the ice–sediment interface when the velocity of the interface is ke

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Thongtha, Atthakorn, Somchai Maneewan, Chantana Punlek, and Yothin Ungkoon. "Application Using Sugar Sediment to Enhance Mechanical Properties of Autoclaved Aerated Concrete." Applied Mechanics and Materials 459 (October 2013): 664–68. http://dx.doi.org/10.4028/www.scientific.net/amm.459.664.

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The effect of fine sand replacement by the sugar sediment (0, 10, 15, 20, 25, 30, 35, 40, 45 and 50 weight %) on the physical and mechanical properties was studied in this work. The physical and mechanical properties of AAC with various contents of sugar sediment were focused on the density, the humidity, the water absorption, the open porosity volume, the compressive strength and the flexural strength. The average density, humidity, water absorption, volume of open porosity, compressive strength and flexural strength of all compositions had the value in the range of 0.57-0.61 g/cm3, 23.0-26.7

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Toha, Franciscus Xaverius. "Post Preloading Creep Properties of Highly Compressible Harbor Marine Sediments." Journal of Engineering and Technological Sciences 49, no. 2 (July 31, 2017): 163–78. http://dx.doi.org/10.5614/j.eng.technol.sci.2017.49.2.1.

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Mohammed, Bashar S., Ean Lee Woen, M. A. Malek, Wong Leong Sing, Nor Aishah Abbas, Hanafi Yusop, Rahsidi Sabri Muda, Mustafa Hashim, and Usoff Yong. "Development of Sediment Brick Utilizing Reservoir Sediment and Fly Ash." Applied Mechanics and Materials 420 (September 2013): 276–80. http://dx.doi.org/10.4028/www.scientific.net/amm.420.276.

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Electrical companies generate electricity mainly from two major types of plant; hydroelectric plants and thermal plants. Hydroelectric is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water through dams operation. The sedimentation of such dams over years will cause large capacity losses of the dams. Thermal plants generate electricity through coal-fired power plants which produce millions tons of fly ash yearly. This fly ash accumulates rapidly and causes enormous problems of dispo

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Ma, Liang, Xiao Mei Li, and Rui Juan Zhang. "Experimental Research on Solidifying Sediment in Irrigation Districts along the Lower Yellow River." Advanced Materials Research 598 (November 2012): 585–89. http://dx.doi.org/10.4028/www.scientific.net/amr.598.585.

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Based on the analysis of physical characteristics about the desilting sediment diverted from the Yellow River in irrigation districts, the solidified sediment product was successfully manufactured. In the research, it was found that the cement dosage as one of the mixed curing agent had obvious influence on the properties of solidified sediment product. As the compressive strength, impermeability and frost-resistanceproducts of the product meet the requirement of moderate water conservancy engineering, it was successfully applied in the Sanfengan Canal lining and the Yanglanhe Reservoir wave w

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ISAEV, Veniamin I., Andrey V. MALTSEV, and Andrey A. KARPOV. "RESEARCH OF THE “FLOATING” BASE METHOD FOR SEDIMENTATION ON THE MODEL OF THE FOUNDATION PLATE." Urban construction and architecture 10, no. 1 (March 15, 2020): 9–15. http://dx.doi.org/10.17673/vestnik.2020.01.2.

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In the article, the authors propose the application of a one-dimensional problem of the theory of compression compaction of soils for the calculation of sediments of Foundation slabs of large area. The authors analyzed the existing methods for determining the depth of the compressible thickness. The author suggests an original technique to determine the depth of compressible strata and settling of the Foundation. A test bench (tray) was developed and a laboratory test was performed. The results of an experimental study of the depth of compressible thickness under slab foundations are presented

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Berres, Stefan, and Raimund Bürger. "On gravity and centrifugal settling of polydisperse suspensions forming compressible sediments." International Journal of Solids and Structures 40, no. 19 (September 2003): 4965–87. http://dx.doi.org/10.1016/s0020-7683(03)00249-x.

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Tao, Gui Lan, Xiao Lin Shi, Chao Hua Jiang, Xing Guo Feng, and Liang Shu. "Experimental Study of Dredged Sediment Sample Analysis and Solidification in Waterway Regulation Engineering." Applied Mechanics and Materials 638-640 (September 2014): 1252–56. http://dx.doi.org/10.4028/www.scientific.net/amm.638-640.1252.

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How to treat dredged sediment is one of the main environmental problems and the recycling technique is the best way to deal with this problem. This paper deals with the feasibility of beach protection project alternative materials-dredged sand, applies cement and addition to solidify it. The components of dredged sediment and the physical properties were analyzed. Specimens with a designed mix ratio of the cement and dredged sediment were made by means of instant formation. The specimens were cured under standard condition and room temperature. The unconfined compressive strength of specimens

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Wang, Dong Xing, Rachid Zentar, and Nor Edine Abriak. "Strength and Swelling Properties of Solidified Dredged Materials." Advanced Materials Research 261-263 (May 2011): 812–15. http://dx.doi.org/10.4028/www.scientific.net/amr.261-263.812.

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In the context of sustainable development, traditional approaches such as ocean dumping and inland deposit are unsatisfactory for managing such large quantity of dredged marine sediments. The solidified sediments with cement as a new material for road construction are preferred to resolve the present issue for minimizing the impact to environment. Based on the basal characterization of dredged sediments, a series of tests, such as compaction tests, compressive strength and tensile strength tests and swell tests, are performed to explore the engineering properties of treated materials. The comp

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Poorahong, Hatairat, Nunthanis Wongvatana, Pitthaya Jamsawang, Kamolwan Lueprasert, Kullachai Tantayopin, and Xiao Bin Chen. "Unconfined Compressive and Splitting Tensile Strength of Dredged Sediments Stabilized with Cement and Fly Ash." Key Engineering Materials 856 (August 2020): 367–75. http://dx.doi.org/10.4028/www.scientific.net/kem.856.367.

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The main objective of this study is to investigate the mechanical properties of dredged sediments, which are considered as waste from the process of removing sediments from the bottom of a dam's reservoir. The dredged sediments with stabilization can to be reused as construction and building materials in civil engineering works. The mechanical tests included unconfined compressive strength (UCS) and splitting tensile strength (STS) to understand the behavior of the dredged sediments stabilized with ordinary portland cement (OPC) type I and fly ash (FA). The overall test results indicated that

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Shilts, W. W., M. Rappol, and A. Blais. "Evidence of late and postglacial seismic activity in the Témiscouata–Madawaska Valley, Quebec – New Brunswick, Canada." Canadian Journal of Earth Sciences 29, no. 5 (May 1, 1992): 1043–69. http://dx.doi.org/10.1139/e92-085.

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Three types of geological phenomena independently suggest that the Témiscouata–Madawaska Valley was affected by one or more seismic events following its deglaciation:(1) Subbottom acoustic profiling of Lac Témiscouata and Grand lac Squatec revealed disturbance of bottom sediments by mass transport processes in both lakes. Erosional truncation of preexisting, acoustically laminated sediments and accumulation of hummocky, chaotic deposits over older hummocky surfaces or laminated sequences both result from mass transport processes. Unidirectional mass flows from several points in these symmetric

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Koś, Karolina, and Eugeniusz Zawisza. "Stabilization of bottom sediments from Rzeszowski Reservoir." Annals of Warsaw University of Life Sciences, Land Reclamation 47, no. 2 (June 1, 2015): 127–37. http://dx.doi.org/10.1515/sggw-2015-0019.

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Abstract The paper presents results of stabilization of bottom sediments from Rzeszowski Reservoir. Based on the geotechnical characteristics of the tested sediments it was stated they do not fulfill all the criteria set for soils in earth embankments. Therefore, an attempt to improve their parameters was made by using two additives – cement and lime. An unconfined compressive strength, shear strength, bearing ratio and pH reaction were determined on samples after different time of curing. Based on the carried out tests it was stated that the obtained values of unconfined compressive strength

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Ma, Wen-Bo, Qiu-Hua Rao, Feng Xu, and Kang Feng. "Impact Compressive Creep Characteristics of Simulative Soil for Deep-Sea Sediment." Marine Georesources & Geotechnology 34, no. 4 (May 8, 2015): 356–64. http://dx.doi.org/10.1080/1064119x.2014.1003160.

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