horizontal vibration of piles in saturated soil chinese

Researching on the Theory of Horizontal Vibration of the Pile in the ...

Before analyzing horizontal vibration of pile, choice a reasonable number of the radial layers of the inner soil and proper thickness of the inner soil, which is crucial. The more is the weakened degree of the inner soil, the stronger the fluctuations of horizontal vibration of pile are.

Dynamic Stress Responses to High-speed Moving Load on Elastic Saturated ...

Coupling the influence of horizontal moving load, the shear stress and horizontal stress are increasing apparently whilst the increasing magnitude of vertical stress is relatively low. This work aims to gain an insight into dynamic stress responses in saturated poroelastic subsoil subjected to high-speed moving loading by using an analytical ...

Abstract: The horizontal dynamic model of partially exposed floating pipe pile is established by the corresponding soil under pipe pile as virtual soil pipe pile, and the dynamic interactions between the soil around the pile and pipe pile, between pile core soil and pipe pile are described by the Winker spring-damper model. By solving the horizontal vibration of the soil around the pile and ...

Vertical vibration of an end bearing pile embedded in saturated soil ...

In this paper, vertical vibration of an end bearing pile embedded in a saturated soil layer is theoretically investigated. The pile is assumed to be vertical and can be dealt with one dimensional...

Applied Sciences | Free Full-Text | Slope Stability Analysis to ...

Assessment and analysis of soil slope stability is an important part of geotechnical engineering at all times. This paper examines the assessment of soil slope stability in fine-grained soils. The effect of change in shear strength (τ), shear stress (σ) and slope angle (β) on the factor of safety has been studied. It correlates shear strength with slope angle and shear stress by considering ...

Ground improvement to reduce the liquefaction potential around pile ...

vibrations of the earthquake an excess pore water pressure is created in saturated soils, the ground loses its shear strength and the granular structure breaks down. Apart from the loss of vertical bearing capacity of the piles within the liquefied soil, enormous horizontal forces can be exerted on

Coupled horizontal-rocking vibration of partially embedded pile groups ...

First, a simplified method to determine the horizontal-rocking impedance of the pile group with dynamic Winkler model is proposed and verified by comparison against some published accurate solutions. Second, a lateral vibration equation for the wind turbine structures is derived with the consideration of the foundation impedance.

Bearing Capacity of Tubular Piles (Without Tip) Driven by Vibration in ...

Results are presented of loading tests (vertical and horizontal loads) carried out on two real reinforced concrete piles, 1,6 M in diameter driven 15,5 and 23,5 M in saturated alluvial soil. It is shown that it is possible during the last stages of driving, to adopt a driving speed higher than that recommended in snip III-9-74 regulations.

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Laterally Loaded Piles. Pile-Driving Formulas. Pile Capacity for Vibration-Driven Piles. Wave Equation Analysis. Negative Skin Friction. Group Piles. Group Efficiency. Ultimate Capacity of Group Piles in Saturated Clay. Elastic Settlement of Group Piles. ... Walls Penetrating Clay. Cantilever Sheet Piles Penetrating Sandy Soil—A Simplified ...

Horizontal dynamic response of pile in unsaturated soil considering its ...

Feb 1, 2022Furthermore, Zheng et al. (2016) and Ding et al. (2017) extended the horizontal vibration problems of pile in saturated soil to the cases of large-diameter pipe pile. The above research results greatly promote the development of the horizontal vibration theory of pile foundation.

Seismic response of pile-soil-structure in coral sand under different ...

Research on p-y curves of soil-pile interaction in saturated sand foundation in weakened state [J]. Rock and Soil Mechanics, 2020, 41(7): 2252-2260. ... Study of horizontal bearing capacity of bucket foundation on saturated soft clay ground[J ... Vertical vibration of pile in saturated viscoelastic soil layer considering transversal effects[J ...

Dynamical characteristics of piles in liquefied soil under horizontal ...

Dynamical characteristics of piles in liquefied soil under horizontal vibration March 2017 Yantu Gongcheng Xuebao/Chinese Journal of Geotechnical Engineering 39(3):573-580

A theoretical analysis of vertical dynamic response of large ... - DeepDyve

Considering the viscous damping of the soil and soil-pile vertical coupled vibration, a computational model of large-diameter pipe pile in layered soil was established. The analytical solution in frequency domain was derived by Laplace transformation method. The responses in time domain were obtained by inverse Fourier transformation. The results of the analytical solution proposed agree well ...

Geotechnical Special Publication No. 240 a S Dynamics Foundation ...

Research on the Horizontal Ultimate Bearing Capacity of Suction Bucket Foundation in Saturated Sand Ground 241 Shucheng Jin, Yongtao Zhang, and Zhengzhong Qiu Experimental Study on Factors Influencing Isolation Effects of Isolation Piles Subjected to Surcharge Load 252 Mingxing Zhu, Ruxia Zhou, and Weiming Gong

Seismic behavior of soil-pile-structure interaction with a modified ...

The Desai thin-layer interface element is widely utilized in the simulation of interaction between piles and soil under seismic load. ... The soil damping ratio is assumed to be 0.09. Two horizontal cosine acceleration time histories A x ... Yang, X. Dynamic interaction of saturated soil-pile-structure system under seismic loading. Rock Soil ...

Publications - Warwick

Dynamic impedances and free-field vibration analysis of pile groups in saturated ground. Journal of Sound and Vibrations. 2014, 333(16): 3709-3731. (Impactor Factor: 2.300)

Stability Analysis of Surrounding Rock Based on QGA-SVM

Researching on the Theory of Horizontal Vibration of the Pile in the Radial Inhomogeneous Viscoelastic Saturated Soil p.180. Stability Analysis of Soil Slope Using Discontinuity Layout Optimization ... Lewen Zhang, Daohong Qiu, Shucai Li and Deyong Zhang: Rock and Soil Mechanics. Vol. 32 (2011), P171, (In Chinese). [2] C. Cortes, V. Vapnik ...

Question is ⇒ The compression resulting from a long term static load ...

⇒ Degree of saturation of a natural soil deposit having water content 15%, specific gravity 2.50 and void ratio 0.5, is. 50% 60% 75% 80% ⇒ Pick up the correct statement from the following: The void space between the soil grains, is filled partly with air and partly with water In perfectly saturated soil, the voids are completely filled with water

Chinese Journal of Underground Space and Engineering - cqu.edu.cn

Excess Pore Water Pressure Caused by Driving Pile in K o Consolidated Saturated Soils: ... A Computational Method of Long-term Settlement for Pile Groups in Layered Soft Soil Based on Burgers Model: ... Settlement Prediction of Hole Shape in Horizontal Directional Drilling and Reaming:

Ground Liquefaction and Deformation Analysis of ... - CyberLeninka

Table 4 shows the horizontal and vertical directions at different representative monitoring point earthquake residual deformation size, it can be seen, when the peak acceleration is 0.10g, the deformation in the horizontal direction is 0.21-0.24m, vertical displacement as 0.06-0.08m; when peak acceleration is 0.15g, the deformation in the ...

Vertical bearing capacity of a pile-liquefiable sandy soil foundation ...

Kutter B L. [ 2] carried out dynamic centrifugal tests on horizontally loaded piles in saturated, medium-dense sand and determined that the vibration frequency and pile-soil gap are the main factors influencing the dynamic p-y curves of pile foundations.

Question is ⇒ The porosity of the soil sample stated in Q. No. 213, is ...

⇒ According to Atterberg, the soil is said to be of medium plasticity if the plasticity index PI is 0 PI 7 7 17 PI>27 ⇒ C. I. piles are not suitable for Vibration resistance Heavy vertical loads Both (A) and (B) None of these ⇒ The ratio of the weight of water to the weight of solids in a given mass of soil, is known. porosity specific ...

Analysis of three-dimensional dynamic response of a circular lining ...

Aug 19, 2022Abstract: Three-dimensional dynamic response of a circular lining tunnel surrounded by a full-space saturated soil to a harmonic point load acting in the radial direction is investigated. The lining is modeled as a cylindrical shell of infinite length; and the soil is modeled as a saturated poroelastic medium using Biot's theory.

TB 10035-2018: PDF in English. - Chinese Standard

construction period control of deep thick soft soil foundation. 3 When the high-sensitivity soft soil has thixotropy, construction vibration and disturbance will cause the strength of the soft soil to be seriously reduced, affecting the stability, deformation, or safe use of existing projects around the construction period.

Recent Advances in Environmental Vibration - Proceedings of 6th ...

Recent Advances in Environmental Vibration - Proceedings of 6th International Symposium on Environmental Vibration, With the development of infrastructure construction, environmental vibrations have become a major concern that influences the quality of life in modern society. The environmental vibrations are cau,All books from China,especially scientific and academic books,export Chinese and ...

Several rows of piles as barriers to isolate shear waves in saturated ...

In this paper, the SV waves that cause the vertical vibration of the ground are taken as example, the isolation of SV waves by several rows of piles in saturated soils is studied, and the factors that influence the isolation effectiveness are analyzed. 2. Wave functions of the saturated soils

ModelTestontheVibrationReductionCharacteristicsofa ...

yang et al. [9] investigated the seismic response of a super- structure—a rigid-pile composite foundation system in a saturated-softsoilsiteunderseismicforces—byconducting centrifuge-shaking table tests. ey discovered that the sandcushionbetweenthefoundationandtheraftservedto dissipate the upward-propagating seismic forces, and the cushion's .

Torsional Vibration of a Pile in Transversely Isotropic Saturated Soil ...

Abstract The torsional dynamic response of a pile embedded in transversely isotropic saturated soil is investigated while allowing for the construction of disturbance effect. The dynamic governing equations of soil are established based on Biot's poroelastic theory.

Inverse design of layered periodic wave barriers based on deep learning ...

Meng, Q, Shi, Z. Vibration isolation of plane waves by periodic pipe pile barriers in saturated soil. J Aerosp Eng 2019 ; 32: 04018114 . Google Scholar | Crossref

Applied Sciences | Free Full-Text | Research on the Analytical ...

An analytical conversion method was developed for the self-balanced test results of monopile bearing capacity in layered soils to realize the better applicability of the self-balanced test theory for the bearing capacity test of foundation piles. To the additional settlement of the lower pile bottom brought on by the negative friction of the upper pile soil during the loading process in ...

Probabilistic seismic response analysis of coastal highway bridges ...

Coastal highway bridges are usually supported by pile foundations that are submerged in water and embedded into saturated soils. Such sites have been reported susceptible to scour hazard and probably liquefied under strong earthquakes. Existing studies on seismic response analyses of such bridges often ignore the influence of water-induced hydrodynamic effect.

OSHA Technical Manual (OTM) - Section V: Chapter 2 | Occupational ...

The type of soil determines the horizontal to vertical ratio of the benched side. As a general rule, the bottom vertical height of the trench must not exceed 4 ft (1.2 m) for the first bench. Subsequent benches may be up to a maximum of 5 ft (1.5 m) vertical in Type A soil and 4 ft (1.2 m) in Type B soil to a total trench depth of 20 ft (6.0 m).

Proceedings of China-Europe Conference on Geotechnical Engineering

This book compiles the second part of contributions to the China-Europe Conference on Geotechnical Engineering held 13.-16. August 2018 in Vienna, Austria. About 400 papers from 35 countries cover virtually all areas of geotechnical engineering and make this conference a truly international event. The contributions are grouped into thirteen special sessions and provide an overview of the ...

Soil-pile interaction in the pile vertical vibration based on ...

(4) The pile and fictitious soil pile are perfectly elastic and vertical with a uniform circular cross-section and have perfect contact with the surrounding soil during vibration. 2.2. Governing Equations of Soil-Pile System. The axisymmetric problem of vertical harmonic oscillations in linearly elastic soil is taken into account in this paper.

Soil-pile interaction in the pile vertical vibration based on ...

(3) The soil-pile system is subjected to small deformations and strains during vibration. (4) The pile and fictitious soil pile are perfectly elastic and vertical with a uniform circular cross-section and have perfect contact with the surrounding soil during vibration. 2.2. Governing Equations of Soil-Pile System.

Lateral and Uplift Static Load Tests of Precast Concrete Pile

The soil was removed before these piles were placed in the required location. The horizontal and vertical movements of these piles under cycling loading and progressive loading were investigated through static load tests. Furthermore, six pairs of vibration wire strain gauges were welded

Analytical solution for dynamic response of offshore large-diameter ...

Analytical solution for dynamic response of offshore large-diameter pipe piles subjected to horizontal dynamic loads ZHENG Chang-jie 1,2, LIN Hao 1,2, CAO Guang-wei 3, DING Xuan-ming 3, LUAN Lu-bao 4 1. School of Civil Engineering, Fujian University of Technology, Fuzhou 350118, China; 2.

LIU Linchao, YAN Qifang, YAN Pan. Horizontal vibration of pipe pile groups in saturated soil considering three-dimensional wave effects[J]. Rock and Soil Mechanics, 2017, 38(10):2817-2825. [6],,.[J].,2015, 34(13):127-132.

Frontiers | Failure Mechanism and Dynamic Response Characteristics of ...

According to the liquefaction standard proposed by Wang et al. (2000) and the requirements of saturation in the Standard for Building Construction in Collapsible Loess Regions (GB 50025-2018), loess was considered to be saturated when its saturation reached more than 80% after soaking and before collapsing. The completed model is shown in Figure 2.

Shaking Table Tests and Numerical Analysis on the Seismic ... - IIETA

The reason for the middle of the pile to have the smallest strain is as follows: the bottom of the pile has a large strain, because it is fixed in the cave and subject to a relatively large seismic impact; the upper part of the pile also has a large strain, due to the large inertia force from the violent movements of the soil in the upper part ...