DESIGN OF FOUNDATION STRENGTHENING WITH PILES FOR THE RECONSTRUCTION OF BUILDINGS ON CLAY SOILS
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Abstract
The paper presents the main stages of designing the strengthening of shallow foundations with piles made in clay soil (injection and bored-injection) for reconstructed buildings. Such foundations are often called combined foundations. The basic methods for installing these piles as part of reinforced foundations are presented, including injection cylindrical piles, bored-injection cylindrical piles of Titan and Atlant types, and bored-injection conical piles. The methodology of foundation strengthening design with the use of such piles is discussed. As a result of investigations of soil properties, lithologic structure of the base and other parameters the procedure of evaluation of soil conditions of construction sites is shown. The data on assessment of technical condition of bases and foundations of reconstructed buildings are presented. The article presents the main results of tests of injection piles, provides guidelines for determining their load-bearing capacity. It provides information on verification calculations performed while designing foundations reinforced by injection (bored-injection) piles, including the determination of the design resistance of the compacted soil of the base. An engineering method for calculating the settlement of reinforced foundations with injected, bored-injected piles in clay soils, which can be used in the design practice of reconstructed buildings, has been presented. The method allows accounting for the displacement (settlement) of the soil due to its weakening in the places of wells for the piles and data on the change in the stress state of the base under the bottom of the slab part of the foundation
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References
Polishchuk A. I., Petuhov A. A., Semyonov I. V. Usilenie fundamentov in"ekcionnymi svayami pri rekonstrukcii zdanij [Strengthening foundations with injection piles during reconstruction of buildings] 2-nd edition, added. M.: Publishing house ASV, 2023. 212 p. м
Polishchuk A. I., Semyonov I. V.Raschet osadki kombinirovannogo fundamenta dlya rekonstruiruemogo zdaniya v glinistyh gruntah [Calculation of the set-tlement of a combined foundation for a reconstructed building in clay soils] Osnovaniya, fundamenty i mekhanika gruntov. 2022, No 6, pp.7-11.
Polishchuk A. I., Gerasimov O. V., Petukhov A. A., Andriyenko YU. B., Nuykin S. S. Sposob ustroystva in"yektsionnoy svai [Method for the de-vice of injection piles]. Patent Rossiiskaia Federatsiia no. 2238366 (2014).
Bruce, D.A., Bruce, M.E.C., and Traylor, R.P. (1999). «High Capacity Mi-cropiles – Basic Principals and Case Histories» GeoEngineering for Underground Fa-cilities.Proc. of the 3rd National Confer-ence of the Geo-Institute of the American So-ciety of Civil Engineers. Geotechnical Special Publication No. 90, Urbana-Champaign, IL, June 13-17, pp. 188-199.
Jeon, S., and Kulhawy, F.H. (2002). «Evaluation of axial compression be-havior of micropiles» Proceeding of a Specialty Conference – Foundation and ground improvement, Blacksburg VI, ASCE, pp. 460-471.
CHernyavskij D. A. Ocenka vliyaniya prochnostnyh harakteristik glinistyh gruntov na nesushchuyu sposobnost' odinochnyh konicheskih buroin"ekcionnyh svaj [Assessment of the influence of the strength characteristics of clay soils on the bearing capacity of single conical drilled injection piles] Vestnik PNIPU. Stroitel'stvo i arhitektura, 2018, No 4, pp.69-79. DOI: 10.15593/2224-9826/2018.4.07.
Mangushev R. A., Gotman A. L., Znamenskij V. V., Ponomarev A. B. Svai i svajnye fundamenty. Konstrukcii, proektirovanie i tekhnologii [Piles and pile foundations. Structures, design and technology] M.: Publishing house ASV, 2018, 320 p.
Tarasov A.A. Razvitiye metodov raschota in"yektsionnykh svay v slabykh glinistykh gruntakh dlya fundamentov rekonstruiruyemykh zdaniy [Development of methods for calculating injection piles in weak clay soils for the foundations of reconstructed buildings]: avtoref. dis. … cand. tech. sc. Tomsk, 2015, 23 p.
Directory geotechnics. Bases, foundations and underground structures. 3rd ed. Eds. V.A. Ilichev, R.A. Mangushev. Moscow, ASV, 2023, 1084 p.
Petuhov A. A. Sovershenstvovanie sposoba ustrojstva in"ekcionnyh svaj v slabyh glinistyh gruntah dlya uslovij rekonstrukcii zdanij [Improving the meth-od of installing injection piles in weak clay soils for building reconstruction con-ditions]: avtoref. dis. … cand. tech. sc. Tomsk, 2006, 23 p.
Zakharov M. S., Mangushev R. A. Inzhenerno-geologicheskiye i inzhenerno-geotekhnicheskiye izyskaniya v stroitel'stve [Engineering-geological and engineering-geotechnical surveys in con-struction] Edited by R. A. Mangushev. Moscow, Saint-Peterburg : Publishing ASV, 2014, 176 p.
Zemlianskii A. A. Obsledovanie i ispytanie zdanii i sooruzhenii [Inspection and testing of buildings and structures] M.: Publishing house ASV, 2002, 240 p.
Plevkov V. S., Mal'ganov A. I., Baldin I. V. Otsenka tekhnicheskogo sostoyaniya, vosstanovleniye i usileniye stroitel'nykh konstruktsiy inzhenernykh sooruzheniy: uchebnoye posobiye [Assessment of the technical condition, restoration and strengthening of building structures of en-gineering structures] / Edited by V. S. Plevkov. 2-nd edition, remastered and added. Moscow: Publishing ASV, 2014, 328 p.
Polishchuk A. I., Semyonov I. V., Demchenko V. A. Main reasons for strengthening foundations and base soil stabilizations of used buildings. Journal of Physics: Conference Series : 2, Perm, 26–28 may 2021. Perm, 2021. P. 012029. – DOI 10.1088/1742-6596/1928/1/012029. – EDN QJREFB.
Gotman A. L. Svai i svaynyye fundamenty. Izbrannyye Trudy [Piles and pile foundations. Selected works: mono-graph] Ufa : IDPO UGNTU, 2015, 384 p.
Pronozin, YA. A., Samokhvalov M. A. Raschet vzaimodeystviya buroin"yektsionnykh svay s gruntovym osnovaniyem [Calculation of the interac-tion of bore-injection piles with a soil foundation] Osnovaniya, fundamenty i mekhanika gruntov. 2018, No 2, pp. 14-17.
Filippovich A. A. Vzaimodejstvie lentochnyh fundamentov rekonstruiruemyh zdanij s glinistym gruntom osnovaniya pri ih usilenii in"ekcionnymi svayami [Interaction of strip foundations of reconstructed build-ings with clay foundation soil when they are reinforced with injection piles]: avtoref. dis. … cand. tech. sc. Volgograd, 2014, 23 p.
Konovalov P. A., Konovalov V. P. Osnovaniya i fundamenty rekonstruiruemyh zdanij [Foundations and foundations of reconstructed buildings] M.: Publishing house ASV, 2011, 384 p.
Polishchuk A. I. Razrabotka metoda rascheta osadki odinochnoj in"ekcionnoj svai v glinistyh gruntah [Development of a method for calculating the settlement of a single injection pile in clayey soils]. IV Mezhdunarodnaya nauchno-prakticheskaya molodezhnaya konferenciya po geotekhnike : sbornik materialov, Tyumen', 28–30 September 2018. Tyumen', Tyumen Industrial Uni-versity, 2018, pp. 67-69. – EDN XZPKYP
Polishchuk A. I., Nikitina N. S., Petukhov A. A., Semyonov I. V. Strengthening of the Foundations of Renovated Buildings With Injection Piles. International Journal for Computational Civil and Structural Engineering. 2021, Vol. 17, No. 1, pp. 75-86. DOI 10.22337/2587-9618-2021-17-1-75-86. – EDN RCSPAE.
Malyshev M. V., Nikitina N. S. Raschet osadok fundamentov pri nelinejnoj zavisimosti mezhdu napryazheniyami i deformaciyami v gruntah [Calculation of foundation settlements with a nonlinear relationship between stresses and defor-mations in soils] Osnovaniya, fundamenty i mekhanika gruntov. 1982, No 2, pp.21-24.
Nikitina N.S., Kravchenko D.A., Remizova N.V. Sravnitel'nyj analiz metodov vozvedeniya fundamentov na prosadochnyh gruntah [Comparative anal-ysis of methods for constructing founda-tions on subsidence soils] Vestnik MGSU. 2025, Vol. 20, No 3.
Polishchuk A. I., Marinichev M. B. Osnovaniya i fundamenty, podzemnye sooruzheniya [Foundations and bases, un-derground structures] Krasnodar, Kuban State Agrarian University, 2024. 612 p.
Maksimov F. A. Sovershenstvovanie konstrukcii i metodov rascheta vintovyh dvuhlopastnyh svaj v glinistyh gruntah [Improving the design and calculation methods of screw two-blade piles in clay soils]: avtoref. dis. … cand. tech. sc. Vol-gograd, 2018, 24 p.
Polishchuk A. I., CHernyavskij D. A., Solonov G. G. Osobennosti ustrojstva buroin"ekcionnyh konicheskih svaj v glinistyh gruntah [Features of the device of bored conical piles in clay soils]. Sbornik statej po materialam konferencii, posvyashchennoj 50-letiyu arhitekturno-stroitel'nogo fakul'teta, posvyashchennoj 50-letiyu arhitekturno-stroitel'nogo fakul'teta, 28 March 2024. Krasnodar, Kuban State Agrarian University, 2024, pp. 97-101. – EDN DUYBFA