Assessment of the impact of a high-rise building on the stress-strain state of the foundation and structures of existing buildings in dense development
Article Sidebar
Main Article Content
Abstract
One of the most progressive problems of modern urban planning is the gradual decrease in areas suitable for construction, especially within the historical districts of cities. This prompts developers to increasingly develop sites in difficult engineering and geological conditions, which are often located within dense buildings.
Today, the construction of multifunctional residential complexes combines the construction of high-rise residential sections and commercial real estate buildings with multi-level parking lots, which are often located in close proximity to each other. Often, the sequence of construction of these buildings is stretched over years or even decades, for example, due to an unfavorable economic climate or the instability of the political situation in the country, which leads to the commissioning of only certain stages of construction. The subsequent resumption of construction work requires taking into account the mutual impact of new construction and observations of previously constructed buildings during the construction of new structures.
The execution of deep pits at the stage of laying the foundations of new buildings, as well as the substantial weight of high-rise buildings, causes a change in the stress-strain state of the adjacent soil massif, so designers face the task of determining the impact of such construction on the adjacent buildings.
This article presents the results of a study of the change in the stress-strain state of load-bearing structures and foundations an existing building, taking into account the mutual impact of an adjacent high-rise section of a residential complex.
The calculations were performed in two independent software systems Plaxis 3D and LIRA-FEM, in the spatial formulation of tasks, for a comprehensive assessment of the SSS of the system "soil base-foundation-superstructure".
The zone of impact of new construction on the adjacent buildings, the values and character of additional displacements of foundations of adjacent structures are determined. The regularities of changes in the calculated forces in piles are shown, which indicate a decrease in axial forces in piles up to two times at the interface with the foundations of the new building and an increase in the load on the piles of the central zone by up to 17%. The obtained results show a tendency to redistribute stresses in the foundation slab from the bearing zones to the span zones, as well as in the bearing vertical structures of the lower floor of the existing building.
Article Details
This work is licensed under a Creative Commons Attribution 4.0 International License.
Authors are published in this journal, agree to the following conditions:
Authors reserve the right to authorship of their work and transfer the journal the right of the first publication of this work under the terms of the Creative Commons Attribution License, which allows other persons to freely distribute published work with mandatory reference to authors original work and the first publication of work in this journal.
The authors have the right to enter into independent additional agreements on the non-exclusive dissemination of the work in the form in which it was published by this journal (for example, to post work in the electronic repository of the institution or to publish as part of a monograph), provided that the reference to the first publication of the work in this journal is maintained.
The journal's policy allows and encourages the authors to place the manuscript of the work on the Internet (for example, in the institutions' storehouses or on personal websites), both for presenting this manuscript to the editorial office and during its editorial processing, as this contributes to the creation of productive scientific discussion and positively affects the efficiency and dynamics of citing the published work (see The Effect of Open Access).
References
Основи та фундаменти споруд. Основні положення: ДБН В.2.1–10:2018. – [Чинний від 2019–01–01]. – К.: Мінрегіон України, 2018. – 36с.
Бойко І. П. Напружено-деформований стан ґрунтового масиву при побудові но-вих фундаментів поблизу існуючих буди-нків / І. П. Бойко, В. О. Сахаров // Основи і фундаменти : міжвідомчий науково-технічний збірник. – К.: КНУБА. – 2004. – Вип. 28. – С. 3–10.
Носенко В.С. Особливості проектування фундаментів суміжних висотних споруд / В. Носенко // Сучасні технології, матері-али і конструкції в будівництві: Науковий журнал. – В.: ВНТУ. – 2009. – Вип. 6, №1 – С.44-47.
Підлуцький В.Л. Формування напружено-деформованого стану основи при зведені комплексу висотних будинків / В. Підлу-цький // Основи та фундаменти: Науково-технічний збірник. – К.: КНУБА. – 2015. – Вип. 36. – С. 65-79.
Бойко І.П. Ідентифікація параметрів ґрун-ту на основі натурних випробувань паль. / І. Бойко, Л. Скочко, М. Хоронжевський // Основи та фундаменти: Науково-технічний збірник. – К.: КНУБА. – 2021. – Вип. 42. – С. 9-18.
Бойко І.П. Числове моделювання взаємо-дії бурової палі та основи з врахуванням дилатансії / І. Бойко, О.Кривенко, О. Гав-рилюк // Основи та фундаменти: Науко-во-технічний збірник. – К.: КНУБА. – 2023. – Вип. 46. – С. 9-16.
Boyko I.P. Finite element simulation of the loss of stable resistance in a foundation-soil system / I.P. Boyko, V.S. Boyandin, A.E. Delnik, A.L. Kozak, A.S. Sakharov // Archive of Applied Mechanics. № 62. – 1992. – р. 316-328.
Plaxis 3D CONNECT Edition V21.01. Reference manual, Bentley Systems & Delft University of Technology, The Netherlands, 2021, 600 p.
Osnovy ta fundamenty sporud. Osnovni polozhennya: DBN V.2.1–10:2018. (2019) Kyiv: Minregionbud Ukrayiny, 36 (in Ukrainian)
Boiko I.P., Sakharov V.O. (2004). Napru-zheno-deformovanyi stan gruntovoho masyvu pry prybudovi novykh fundamentiv pobly-zu isnuiuchykh budynkiv [Stress-strain state of the soil massif during the addi-tion of new foundations near existing build-ings]. Osnovy i fundamenty. Mizhvidomchyj naukovo-tekhnichnyj zbirnyk. K.: KNUBA, (28), 3-10 (in Ukrainian).
Nosenko V.S. (2009). Osoblyvosti proektu-vannia fundamentiv sumizhnykh vysotnykh sporud [Design features of the foundations of adjacent high-rise buildings] Suchasni tekhnolohii, materialy i konstruktsii v budivnytstvi: Naukovyi zhurnal. V.: VNTU, (6, №1), 44-47 (in Ukrainian).
Pidlutskyi V.L. (2005) Formuvannia napruzheno-deformovanoho stanu osnovy pry zvedeni kompleksu vysotnykh budynkiv [Formation of the stress-strain state of the base during the construction of a complex of high-rise buildings]. Osnovy ta fundamenty: Naukovo-tekhnichnyi zbirnyk. K.: KNUBA, (36), 65-79 (in Ukrainian).
Boyko I., Skochko L., Khoronzhevskyi M. (2021). Identifikatsia parametriv gryntiv na osnovi rezyltativ natyrnih vuprobyvan pal [Identification of soil parameters based on the results of field tests of piles]. Osnovu ta fundamenty: Naukovo-tekhnichnyj zbirnyk. K: KNUBA, (42), 9-18 (in Ukrainian).
Boyko I., Krivenko O., Gavryliuk, O. (2023). Chyslove modeliuvannia vzaiemodii burovoi pali ta osnovy z vrakhuvanniam dylatansii [Numerical simulation of interaction bored pile and soil mass with taking into account the dilatancy of the soil]. Bases and Foundations: Naukovo-tekhnichnyi zbirnyk. K: KNUBA, (46), 9-16 (in Ukrainian).
Boyko I.P., Boyandin V.S., Delnik A.E., Kozak A.L., Sakharov A.S. (1992). Finite element simulation of the loss of stable resistance in a foundation-soil system. Archive of Applied Mechanics, (62), 316-328.
Plaxis 3D CONNECT Edition V21.01. (2021). Reference manual, Bentley Systems & Delft University of Technology, The Netherlands, 600 p.