Evaluation of Static Pile Load Test Results of Ultimate Bearing Capacity by Interpreting Methods

in geotechnical engineering, foundation piles are ideal for deep foundations that cannot bear higher loads. This architectural expansion places a great deal of responsibility on the engineer to anticipate the appropriate load for the constructor. Unfortunately, calculations of the pile’s bearing capacity are not accessible. It has always been a source of concern for geotechnical engineers, as the structure’s safety depends on the pile’s bearing capacity and gives it a safe value. These research tests are previously known pile load test data from several locations in Nasiriyah to determine the ultimate load-carrying capacity using various interpreting methodologies. A database that was used to test the pile load for three different areas in Nasiriyah, southern Iraq: The Main Drain River Bridge Project, the Al-Eskan Interchange Project, and the Al-Hawra Hospital, as determined by analytical methods, as well as evaluating the final loading values resulting from the methods used, by ASTM D-1143, American and British Standard Code of Practice BS 800. The final capacity for the pile bearing is estimated using these approaches, which are depicted in the form of a graph-based on field data. Chin-Kondner and Brinch Hansen algorithms anticipate the highest failure load for all piles based on the comparison. On average, Chin–Kondner’s ultimate load is 22% higher than Hansen’s maximum load for the 22 pile load tests. Decourt and DeBeer, and Mazurkiewicz’s techniques yielded the closest average failure load. Buttler-Hoy approach yielded the smallest failure load.

LEXICAL AND PHRASEOLOGICAL PARADIGMATICS OF THE FRENCH LANGUAGE: MADELEINE DE PROUST

The article is devoted to the linguocultural analysis of the idiom madeleine de Proust in modern French. The analysis is based on lexicographic data, component analysis method and text semantic analysis. Using the method of linguocultural decoding they find out emotional and sensual, ethical, aesthetic informations; archetypal, mythological, religious, philosophical and scientific informations, which are the deep foundations of the meaning of a phraseological unit. In the unit madeleine de Proust , the basic types of information are religious and philosophical. The first is associated with the polysemantic inner form of the word Madeleine. It is a nominative name - it means the name of a flour product and a proper name - Madeleine was the name of the girl who invented this culinary dish; this word is associated with the images of Magdalen-sinner and St. Mary-Magdalene, which is reflected in the phraseological system of the French language; with proper name Saint-Jacques, which is used to describe the subject of the material world, and accompanies the writer’s life, the hero in the novel. The philosophical type of information is associated with Proust’s reflections, signs, philosophy, with the concepts of the voluntary and involuntary memory. And all these were pushed by the sensual-emotional information. The polysemous word madeleine in the semantic space of the literary text thanks to the talent of the writer, his emotional and sensual experiences, his stream of consciousness, expanded its meaning and became one of the components of the new language unit madeleine de Proust .

Building on ‘Hollow Land’ : Skill and Expertise in Foundation-Laying Practices in the Low Countries in the Fifteenth to the Seventeenth Centuries

Foundation-laying practices for marshy conditions have received comparatively little attention in architectural history; however, in the seventeenth century Netherlandish specialized skill and knowledge for the construction of pile foundations was recognized as being exceptional and garnered international esteem. Based on new archival material, this article provides insight into the rigorous processes of foundation design, and draws attention to its multidisciplinary nature. In addition, it sheds new light on the introduction of deep foundations, which was a major engineering innovation, providing greater stability because of the use of longer piles that reached the first solid layer deep below the surface. While Dutch expertise was directly related to the landscapes they inhabited, other factors that fostered innovation in foundation design are considered as well.

Early-Age Thermal-Shrinkage Cracking in Deep Foundations

With the growing rate of urbanisation, deep foundations are playing an ever-larger role in the development of cities, reaching deeper than before to fulfil the requirements of new constructions. While current European standards include design procedures for structural and geotechnical design, they lack provisions for massive deep foundations with regard to early-age thermal effects. This paper presents aspects of the phenomenon especially important for deep foundations and discusses normative requirements that influence their thermal behaviour. Further, the paper describes the methods and results of the research carried out in the United Kingdom on 1.50-m-thick diaphragm walls of a deep circular shaft. Shaft features are described, as well as the materials used. The measurements were carried out using vibrating wire strain gauges coupled with temperature readings. The results presented refer to one of the test panels concreted in January 2020. The temperature results are analysed together with the influence of work scheduling on the readings. Strain results that indicate contractive behaviour of the test panel are investigated together with the possible causes leading to such readings. Plans and directions for future research are discussed.

POTENTIAL OF PERSONALITY: HISTORICAL RETROSPECTIVE

The essence of personality potential is one of the important characteristics of understanding a person as an integral being, creating an individual space of personal aspirations and values. The origins of the problem under consideration in various forms are present in the philosophical reflections of many researchers and have a long history. Even Socrates, Plotinus, Cicero, Thomas Aquinas drew attention to the deep foundations and spiritual essence of man, to the presence of virtues in a state of potential stagnation, to the need for their development in order to achieve the ideal of perfection. N. Kuzansky, S. L. Frank, P. I. Tillich noted the presence of latent force unfolding in time in living beings, the rejection of the self and introduction into something higher, the correlation of the divine and the human, the interconnection of things and events, etc. The modern world actualizes the solution to the problem, creating conditions for a deeper understanding of the potential, consideration of its integrity and the essential foundations of maximum realization. The crisis in all spheres of human life, economic, political, social, requires a quantum leap in understanding the potential and building, on the basis of modern studies of the phenomenon, new projects for transforming reality. In this regard, understanding the historical aspect of studying the logic of the genesis of potential makes an invaluable contribution to solving this problem. Understanding the depth of philosophical thought in a historical retrospective about the origin, emergence and existence of potential will allow you to connect the past and the present, as well as qualitatively advance into the future.

A simplified 3D model for existing tunnel response to piles construction

The construction and loading of deep foundations (piles) of high-rise buildings causes a considerable effect in terms of stresses and deformation and requires assessing their impact on the response of adjacent tunnels to deformations, particularly for pile foundations, which are often constructed in locations very close to existing tunnels. The execution process for piles structures generates displacements, stresses, and forces, which are transferred through the piles’ soil surrounding a nearby existing tunnel. The research presented in this paper has led to a significantly improved understanding of pile-tunnel interaction problem. It is crucial for the analysis of the impact of the pile construction on an existing tunnel. The treated topic appears in a setting of an urban environment, where we construct numerous profound foundations, sometimes in contact or adjacent to a. In this paper, the response of the existing tunnel under constructed pile process is studied. Numerical modeling was carried out using Plaxis3D software in which the Mohr-Coulomb Model (MC) has been used for modeling, while the piles/ tunnels are modeled as a linear elastic material. Furthermore, a parametric study is conducted, and its cases are investigated. The displacements and the stresses generated on the tunnel lining decreases with the increase in relative distance between pile and tunnel (spacing), the location/length of the pile from the tunnel, the pile diameter, the number of piles. We have also identified two geometrical parameters of the tunnel: shape section and thickness lining which play a prominent role in the interaction between an existing tunnel and a new pile to excavate.

THE MECHANISM OF THE EFFECTS OF INCREASING THE LENGTH OF THE PILES UNDER LATERAL LOADS IN SAND

In many projects, piles are designed and installed as the ultimate solution in foundation construction, load transition to the resistant subsurface layers, providing lateral resistance, and overcoming the poor performance of surface soils. Pile design should be done with respect to structural consideration, the load-carrying capacity of the surface and surrounding soil, settlement, and constructional, technical and environmental problems. Pile group is a particular type of deep foundations which is mostly and widely utilized in coastal and offshore structures, and sustains vertical and lateral loads. Noting the lateral load exerted on the structure, the effect of loading on the behavior of pile should be analyzed using an appropriate method. In this article, a 4x4 pile group with piles of 100 cm diameter and 10, 15-m in length with center-to-center spacing of 3 times the diameter are modeled using the Plaxis 3D Foundation, which uses the finite element method, and the Mohr-Coulomb model, and the behavior of the piles driven in sand and subjected to loading is studied. Taking the results, the mechanism of the pile group behavior under vertical, lateral, adjacent structures loads and bending moment is calculated, and displacement in the x-direction, y-direction, and along the length, bending moment, and bearing capacity along the length of the pile have been obtained for each pile.

Alternative Systems and Materials for Splicing Prestressed-Precast Concrete Piles

The use of piles is a common method for establishing deep foundations for bridges where there is a top layer of weak soil. Among various types of pile and installation methods, driving prestressed-precast concrete piles (PPCP) is a durable and economical option compared with the alternatives. Also, since the method employs pile segments prefabricated in precast plants and delivered to the site for installation, it conforms to the principles of Accelerated Bridge Construction (ABC) and provides a rapid alternative to other methods. However, often because of limitations on shipping and transportation, the length of precast prestressed pile segments that can be delivered to the bridge site has to be reduced. Also, headroom limitations for pile driving may limit the length of pile segments such that establishing adequate resistance may not be achieved with one segment. Therefore, splicing of pile segments has to be performed at the site to produce longer lengths. A study carried out as part of research activities at the Accelerated Bridge Construction University Transportation Center (ABC-UTC) at Florida International University has reviewed various types of available pile splices and attempted to build on the experiences gathered for ABC connections to introduce an alternative configuration for splicing PPCP segments. Accordingly, a variation of grouted bar splice was introduced and designed to provide PPCPs with a time-effective, economical, and labor-friendly method of splicing. The proposed connection is completely new for connecting PPCP segments. Because many of PPCPs are driven in a marine environment, the application of corrosion-resistant material at the splice system is also emphasized. The paper summarizes these investigations. The results of this study show that the newly developed systems can provide the required strength in bending, tension, and compression with smaller sizes and numbers of bars. It also makes the installation faster and easier compared with the current methods.