the effet of machaine foundation on behaviour saturated sand

Stresses and pore water pressure induced by machine ...

Dec 01, 2017· The response and behavior of machine foundations resting on dry and saturated sand was investigated experimentally by Fattah et al. (2016). A physical model was manufactured to simulate steady state harmonic load applied on a footing resting on sandy soil at different operating frequencies.

Bender element tests in dry and saturated sand: Signal ...

Oct 01, 2015· 1. Introduction. It is well recognized that soil behavior is generally nonlinear and plastic in nature. However, at strain levels below 0.001%, the response of soil is usually assumed to be elastic and the corresponding shear modulus is referred to as the small strain shear modulus (G 0) or the maximum shear modulus.The small strain shear modulus of soil plays an important role in many ...

(PDF) Effect of Embedment Depth on Response of Machine ...

In this paper, a dynamic analysis of strip machine foundation is carried out. The foundation of multiple thicknesses is placed at different depths above a saturated sand with different states (i.e ...

Behaviour of machine foundations resting on saturated sand ...

Nov 01, 2018· This study aims to investigate the behaviours of machine foundations resting on sand granular tire rubber mixtures after saturation. Kerbala sand with two relative densities, 35% and 60%, and granular rubber of sizes 0.07 to 3 mm, resulting from hashing scrap tires into small pieces, were used. A harmonic vertical mode of vibration was applied using a mechanical oscillator fixed on a square ...

SOILS AND FOUNDATIONS - Public.Resource.Org

Jun 03, 2012· Soils and Foundations Chapter 3 Bangladesh National Building Code 2012 6‐155 CONSOLIDATION SETTLEMENT: A time dependent settlement resulting from gradual reduction of volume of saturated soils because of squeezing out of water from …

Effects of Soil Liquefaction on Pile Foundation and its ...

Pile foundations are likely to experience liquefaction and its effects on such foundation are in several forms or ways. Effects of liquefaction on pile foundation is discussed. Liquefaction is a phenomenon in which loose saturated soil such as loose sandy silts and loose sandy soils will strength substantially.

Evaluation of Liquefaction Potential in Saturated Sand ...

Drainage conditions are supposed to have significant influence on sand liquefaction behavior. An infiltration device was utilized in cyclic triaxial tests to reproduce different drainage conditions by altering dry density of the within silt. Permeability coefficient ratio (kp) was utilized for quantifying the drainage boundary effect. Cyclic triaxial tests were conducted on saturated Fujian ...

Vibration response of saturated sand - foundation system ...

Vibration response of saturated sand - foundation system dynamic;saturated soil;machine foundation;displacement; In this study, the response and behavior of machine foundations resting on dry and saturated sand was investigated experimentally. A physical model was manufactured to simulate steady state harmonic load applied on a footing resting on sandy soil at different operating …

EFFECT OF STRAIN HISTORY ON LIQUEFACTION OF SAND - TRID

the effect of strain history on the resistance to liquefaction is investigated here by means of triaxial and simple shear tests. the resistance of a saturated sand to liquefaction as measured in laboratory tests is very much influenced by the previous strain history. partial liquefaction which occurs at small shear strains greatly increases the ...

(PDF) Effect of Waste Human Hair Fibers on Shear Behavior ...

Behavior of Sand in Dry and Saturated ... is studied on dry and saturated sand and the effect of fiber length when varying the fiber ... same authors on use of HHF reinforcement for machine ...

Thermomechanical Behavior of Energy Pile Embedded in Sandy ...

The traditional energy pile (solid energy pile) has been implemented for decades. However, the design of different kinds of energy piles is still not well understood. In this study, a series of model tests were performed on an aluminum pipe energy pile (PEP) in dry sandy soil to investigate the thermal effects on the mechanical behaviors of pipe energy pile.

the effet of machaine foundation on behaviour saturated sand

Numerical Analysis of Machine Foundation Resting on Saturated The behavior of machine foundation on saturated porous The effect of foundation flexibility . Get Price; Eng. Tech. Journal Vol.32 Part (A) 1 2014. performance of machine foundation and the soil underneath.

Constitutive modeling of time-dependent stress–strain ...

Nov 30, 2011· Constitutive modeling of time-dependent stress–strain behaviour of saturated soils exhibiting both creep and swelling. Jian-Hua Yin, Fei Tong . Department of Civil and Structural Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China.

the effet of machaine foundation on behaviour saturated sand

Behaviour of saturated sand under different triaxial loading and ... · PDF . Behaviour of saturated sand... quick sand. ... the effet of machaine foundation on behaviour saturated sand 9.8 (Total: 10) 3432 Votes 6864 Comments Give e-mail to us. ...

machine behavior on a foundation of sand

the effet of machaine foundation on behaviour saturated sand. study, machine foundations on fully saturated sandy soil in different cases of soil densification (loose, medium and dense sand) are analyzed. harmonic dynamic load is considered.

PILE FOUNDATIONS IN LIQUEFIED AND LATERALLY …

A series of large-scale dynamic centrifuge model tests were performed to study the behavior of single piles and pile groups in a soil profile comprised of a nonliquefied crust spreading laterally over a loose saturated sand layer. Detailed ... 5.3.3 Effect of Liquefaction on Sand p-y Curves 5.3.4 Effect …

RESONANCE FREQUENCY OF MACHINE FOUNDATIONS …

study, machine foundations on fully saturated sandy soil in different cases of soil densification (loose, medium and dense sand) are analyzed. harmonic dynamic load is considered. A A parametric study is carried out to investigate the effect of several parameters including: the amplitude of the dynamic load and the frequency of the dynamic load.

the effet of machaine foundation on behaviour saturated sand

SOILS AND FOUNDATIONS - Public Resource Org. the effet of machaine foundation on behaviour saturated sand the effet of machaine foundation on behaviour Effect of Embedment Depth on Response of Machine In this paper a dynamic analysis of strip machine foundation is carried out above a saturated sand Contact Supplier Get price

Impact Induced Responses of Saturated and Dry Dense Sand ...

Impact Induced Responses of Saturated and Dry Dense Sand: 10.4018/IJGEE.2018070105: The present article includes an experimental study of the behavior of dry and saturated dense sandy soil under the action of a single impulsive load. Dry and

Behaviour of machine foundations resting on saturated sand ...

This study aims to investigate the behaviours of machine foundations resting on sand granular tire rubber mixtures after saturation. Kerbala sand with two relative densities, 35% and 60%, and granular rubber of sizes 0.07 to 3 mm, resulting from hashing scrap tires into small pieces, were used. A harmonic vertical mode of vibration was applied using a mechanical oscillator fixed on a square ...

(PDF) Effect of Embedment Depth on Response of Machine ...

Abstract In this paper, a dynamic analysis of stripmachine foundation is carried out. The foundation of multiple thicknesses is placed at different depths above a saturated sand with different states (i.e., loose, medium and dense), and vertical

EFFECTS OF SUPERIMPOSING CYCLIC SHEAR STRESS ON THE ...

The effects of superimposing cyclic shear stress on the undrained behavior of saturated sand under monotonic loading are identified and discussed. This stress-controlled cyclic shear stress is intended to represent the small seismic shaking persisting after the main strong shaking of an earthquake.

Effects of Compaction on Soil Properties - The Constructor

Effects of compaction on different properties of the soil are explained in this article. It is known that the soil becomes dense when it undergoes compaction. To facilitate easy compaction, some amount of water is added to the soil and the water content at which the maximum dry density of soil can be obtained is known as optimum moisture content .

Investigating the Effect of Particle Size on the ...

May 27, 2020· The inherent anisotropic behavior of sands and the grain size effects are studied in this paper. A series of undrained torsional shear tests with constant inclination angle (α°) and intermediate principle stress ratio (b) were conducted by hollow cylindrical torsional apparatus (HCTA) on four types of sand. This study furthers the knowledge on the dependency of steady states on anisotropy ...

Understanding the Behavior of a Pile Foundation in ...

on rainfall and infiltration data. In addition to studying the behavior of pile foundations in unsaturated soils a method is proposed for characterizing an unsaturated soil profile for a site based on reliability concepts using a sample shallow foundation design. The research is divided into two types of lateral loading on piles in unsaturated

Effect of temperature on the shear strength of soils and ...

Jan 29, 2016· In the present work, the shear behaviour of soils and the soil–concrete interface is investigated through direct shear tests at various temperatures. A conventional direct shear apparatus, equipped with a temperature control system, was used to test sand, clay, and the clay–concrete interface at various temperatures (5, 20, and 40 °C).

CHAPTER 6 PILE FOUNDATIONS - GlobalSecurity.org

FM 5-134 CHAPTER 6 PILE FOUNDATIONS Section I. GROUP BEHAVIOR 6-1. Group action. Piles are most effective when combined in groups or clusters. Combining piles in a group complicates

Morphological transitions for pore water and pore air ...

Water retention characteristics are important for modeling the mechanical and hydraulic behavior of partially saturated sand. It is well known that the soil water characteristic curve shows hysteresis during drying and wetting processes. For a better understanding of the water retention characteristics of partially saturated soil, a microscopic investigation of the morphological transitions ...

EFFECT OF SOIL VARIABILITY ON THE BEARING CAPACITY OF ...

soil. The bearing capacity of a foundation is defined as the load per unit area of the foundation at which the soil shear failure occurs (Terzaghi, 1943). Consider a footing resting on the surface of clay or sand. As the foundation load gradually increases, the settlement of the foundation also increases. At a certain

Dynamic Response of Saturated Soil - Foundation System ...

In this study, the response and behavior of machine foundations resting on dry and saturated sand was investigated experimentally. In order to investigate the response of soil and footing to steady state dynamic loading, a physical model was manufactured to simulate steady state harmonic load at different operating frequencies.

Effect of Embedment Depth on Response of Machine ...

Jul 26, 2015· In this paper, a dynamic analysis of strip machine foundation is carried out. The foundation of multiple thicknesses is placed at different depths above a saturated sand with different states (i.e., loose, medium and dense), and vertical harmonic excitation is applied with build up of the excess pore water pressure being considered. The dynamic analysis is performed numerically by …

TRIAXIAL TESTING OF FROZEN SAND

tested saturated sa"nd specimens at - 12°C under pressures of up to 7 MPa at a rate of 4.43 X 10- 5 s-J, and concluded that mechanical properties of frozen silica sand under confined conditions depend on cohesion of the ice matrix and sliding friction, particle reorientation, and dilatancy effects of sand grains.