[13] Abd Al-Kaream K 2013 The Dynamic Behavior of Machine Foundation on Saturated Sand M.Sc. Thesis Building and Constructio n Engineering Department Univ ersity of Technology, Iraq.
— CCPF provides innovative solutions to complex site conditions in deep water and reduces construction time and cost. Compared to conventional foundations, the CCPF may effectively minimize the length and embedment depth of the caisson and pile foundation, reducing construction complexity and risk [].Huang et al. [] and Zhong and …
— This paper discusses the techniques, methods of construction of stone columns, mechanisms of stone column behaviour under load and associated design philosophies. Dry -top -feed method process ...
— Design and Construction of Deep Foundation Systems and Retaining Structures in Urban Areas in Difficult ... in Frankfurt Clay is less than 8 m and in Berlin Sand is less than 12 m. 3. Large construction project close to underground infrastructures In the city centre of Frankfurt am Main, Germany, a large construction project with an area of ...
— In this paper, the stress-deformation behaviour of a concrete-face rockfill dam built on sand and gravel foundation is studied based on in situ monitoring results and finite-element analysis.
3. Any steam or hot air pipes, embedded in the foundation must be properly isolated. 4. The foundation must be protected from machine oil by means of acid-resisting coating or suitable chemical treatment. 5. Machine foundations should be taken to a level lower than the level of the foundations of adjoining buildings.
— Setup of Experiment. In the current work, a block resonance test setup is designed as per the guidelines prescribed in IS 5249 [], which majorly consists of a rigid RCC block foundation, mechanical oscillator, DC-operated motor, and speed control system, tachometer, accelerometer, and digital vibration metre.Two RCC square …
— In this study, the response and behavior of machine foundations resting on dry and saturated sand was investigated experimentally. In order to investigate the …
— In geotechnical engineering, several soils are considered problematic because of their undesirable behaviour. The characteristics of a soil depend on their origin and mode of formation, their composition, their mineralogy, the nature of their pore fluids, or their fabric [12, 47].Some of the most problematic geomaterials are the moisture …
— Designed semi-automatic sand sieving machine displayed a labour reduction cost of 66% leading to savings of Ksh. 39,600 per month. ... Sand used in foundation (Leal ... The machine is capable of ...
Design of Machine Foundation on Reinforced Sand - Free download as PDF File (.pdf), Text File (.txt) or read online for free. The document summarizes an experimental study …
— Research on the cyclic vertical loading problem for sand is particularly scarce, and most has been in commercial confidence. This research is conducted to study the experimental behavior of dry sandy …
— This study investigates the influence of using simple and advanced soil constitutive models on the behavior of a machine foundation resting on a sandy soil. …
— Natural particulate materials, such as sandy soil, are found everywhere and are essential to many engineering applications. Various fields, from civil engineering to materials science, require an …
— Since 1950's, significant research had been carried out on the soil-foundation system under machine-induced dynamic loading. The vertical vibration response of foundation resting on layered ...
— CFG pile (i.e., pile constructed by granular materials of cement, fly-ash and gravel) composite foundation is applied in subsoil treatment widely and successfully. In order to have a further study of this kind of subsoil treatment technology, the influencing factors and calculation methods of the vertical bearing capacity of single CFG pile and …
Semantic Scholar extracted view of "Handbook of machine foundations" by P. Srinivasulu et al. ... Improvement in manufacturing technology has provided machines of higher ratings with better tolerances and controlled behaviour. These machines give rise to ... The effect of the embedment depth of a circular footing resting on dry sand and ...
— Equipment; Attachments; Compaction; Know Your Compaction Facts. A solid understanding of soil types, as well as a firm grasp of the different types of machines and the applications they're ...
As a case study, machine foundations on fully saturated sandy soil in different cases of soil densification (loose, medium and dense sand) are analyzed. A harmonic dynamic load is …
Although the bearing capacity of sand foundations is affected by various factors, it is essentially related to stress characteristics. Their unique properties further augment the complexity of coral sand foundations (Bao et al., 2023; Feng et al., 2024; Qi et al., 2022).The abundance of corners and high roughness enhance particle interlocking (Ding …
— 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 …
— 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 ...
1 Building and Construction Engineering Department, University of Technology, Baghdad, Iraq the decrements in vertical displacements are also recorded for loose, medium and dense sand by 42, 36 and 18%, respectively. Keywords Machine foundation · Harmonic load · Finite elements·Elasticperfectlyplastic·Foundationembedment· Saturated soil 1 ...
— Replacing weak soils under machine foundations with strong soils, such as limestone, reduces soil settlement and the bearing area of the machine foundations …
— Machines powered by artificial intelligence increasingly mediate our social, cultural, economic and political interactions. Understanding the behaviour of artificial intelligence systems is ...
2. Foundation block should be structurally adequate to carry the loads. 3. The combined center of gravity (CG) of machine and foundation and the center of contact area (with the soil) should lie on the same vertical line as far as possible, and 4. Resonance should not occur. In case of machine foundations, the mass of soil, m s
FOUNDATIONS FOR DYNAMIC EQUIPMENT 351.3R-3 f i1, f i2 = dimensionless stiffness and damping functions for the i-th direction, piles f m = frequency of motion, Hz f n = system natural frequency (cycles per second) f o = operating speed, rpm G = dynamic shear modulus of the soil G ave = the average value of shear modulus of the soil over the pile …
— 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 ...
— The practice of using non-corrosive materials in the construction of pile foundations to withstand adverse environmental conditions is emerging. Lowry and Rayhani ( Citation 2024 ) presented FE modelling for simulating model load tests with piles made of hollow carbon-fibre reinforced and glass-fibre reinforced polymers, embedded in soft ...
details of the construction procedures such as equipment types, rebar cages, components and types of slurry, casing types, and other available construction methods can be referred to elsewhere (for example, Greer and Gardner, 1986; LCPC, 1986; and Reese and O'Neill, 1988). DESCRIPTION OF DRILLED SHAFTS AND DRILLING EQUIPMENT
— The strain, amplitude displacement, and stress of dry sand under a circular foundation were 41, 17, and 12% higher than that exhibited by square and rectangular foundations. ...
— The procedure for consolidated-undrained and drained tests corresponds to the conditions when the soil below the foundation level is sufficiently permeable to allow dissipation of excess pore-water pressure …
The Dynamic Behavior of Machine Foundation on Saturated Sand. University of Technology, Department of Building and Construction Engineering, Highways and Bridges Engineering Branch. M. Sc. Supervisor: Assist. Prof. Dr. Nahla M. Salim. 2013. 96 p. and Assist. ... with the problem concerning dynamic behavior of the foundation and the soil