LIST OF PUBLICATIONS

Szajna W.St. (2017) Soil – structure interaction: Interpretation of soil tests and numerical analysis of geotechnical problems, Polish Academy of Sciences, Warsaw. (in Polish).

Szajna W.St. (2017) Analysis of internal forces generated in soil-steel shell structure during backfilling process considering friction between the shell and the soil, [In:] Problems of foundation - subsoil interaction, Z. Meyer (ed.), West Pomeranian University of Technology, Szczecin: 117-127. (in Polish).

Szajna W.St. (2017) The influence of acceleration on the efficiency of sand compaction tests conducted on a vibrating table, Civil and Environmental Engineering Reports, 24 (1): 171-185.

Szajna W. (2017) The influence of an RC model on the bearing capacity of a shaft for microtunnelling, [In:] J. Bzówka, M. Łupieżowiec (eds) Analysis and experiences in geoengineering, Politechnika Śląska Press, Gliwice, 533-542. (in Polish).

Szajna W.St. (2017) Apparent inconsistency of the results of in-situ tests of sand, [In:] J. Bzówka, M. Łupieżowiec (eds) Analysis and experiences in geoengineering, Politechnika Śląska Press, Gliwice, 523-532. (in Polish).

Szajna W.St. (2016) Which soil classification system should be used in Poland after Eurocode 7 adoption?, Przegląd Geologiczny, 64 (2): 113-121. (in Polish).

Szajna W.St., Lechocka P. (2016) The influence of a laboratory testing method on the index of density of sand, Proc. of World Congress on Civil, Structural, and Environmental Engineering, March 30 – 31, 2016, Prague, Czech Republic: ICGRE 114-1 ÷ 114-6.

Szajna W.St., Lechocka P. (2016) Evaluation of tapping fork and vibrating table methods used for testing dry density of sand, Roads and Bridges, 15: 5-20.

Szajna W.St. (2015) Evaluation of the State of Sandy Soils on a Sinkhole Area with the use of Noninvasive (MASW) and Invasive (SDMT) Tests, Engng. Trans., 63 (1): 109-131.

Szajna W.St., Gontaszewska A. (2015) Shallow site investigation of Quaternary sands inside and in the vicinity of a sinkhole in the former lignite mining area in Zielona Góra (western Poland), Geological Quarterly, 59 (2): 347-357.

Szajna W.St., Kraiński A. (2015) The influence of roundness of sand particles on macroscopic critical strength of soil medium, International Conference on Continuous Media with Microstructure. Łagów 2-5.03.2015, Book of Abstracts, Publishing House of Poznań University of Technology: 73-74.

Szajna W.St. (2014) Numerical modelling of soil arching in a shallow backfill layer, Civil and Environmental Engineering Reports, 15 (4): 127-137.

Szajna W.St. (2014) Numerical modelling of the phenomenon of soil arching over a flexible soil-shell structure with a shallow layer of sand backfill, Proc. of 10th Sc. Conf. “Composite Structures”, Zielona Góra: 441-450 (in Polish).

Szajna W.St. (2013) Ultimate bearing capacity of a microtunnelling starting shaft loaded in undrained conditions, Proc. of  20th Int. Conf. on Computer Methods in Mechanics, Poznań 27-31.08.2013, Poznań University of Technology: MS13 09-10.

Szajna W.St. (2013) The influence of a type of contact between a microtunnelling starting shaft and subsoil on its ultimate bearing capacity, Budownictwo i Inżynieria Środowiska, 4 (1), Białystok: 79-86 (in Polish).

Szajna W.St. (2013) Application of noninvasive and invasive tests for identification of local areas of soil loosening , Proc. IV Sc. Conf. „The mechanics of heterogeneous media”, Zielona Góra – Łagów 6-9.06.2013, Book of Abstracts, Publishing House of The University of Zielona Góra: 67-68, (in Polish).

Szajna W.St., Malinowski P. (2012) Analysis of cylindrical microtunnelling working shaft, subjected to horizontal load, [In:] C. Madryas, B. Nienartowicz, A. Szot (eds) Underground Infrastructure of Urban Areas 2, Taylor & Francis, London: 271-279.

Szajna W.St. (2011) The internal forces in a soil-shell structure. Geotechnical aspects, Proc. of 9th Sc. Conf. “Composite Structures”, Zielona Góra: 283-292 (in Polish).

Szajna W.St. (2010) Application of CPTu in determination of soil parameters in slope stability analysis of deep excavations, Sc. Papers of Tech. Univ. of Zielona Góra, Vol. 139, Inżynieria Środowiska 19, Zielona Góra: 93-104 (in Polish).

Szajna W.St. (2010) The evaluation if effective strength parameters of heterogeneous soil by CPTu site investigations, Proc. III Sc. Conf. „The mechanics of heterogeneous media”, Zielona Góra – Łagów 4-6.06.2010, Book of Abstracts, Publishing House of The University of Zielona Góra: 75-76 (in Polish).

Szajna W.St. (2009) Soil site investigations. Static penetration tests CPTU, Budownictwo Lubuskie: Biuletyn Lubuskiej Izby Budownictwa, No 2: 17-19 (in Polish).

Szajna W. St. (2009) Stress paths in results interpretation of construction process modelling, Proc. of  XV National Conf. of Soil Mech. Geotech. Engrg., Bydgoszcz: 91-98 (in Polish).

Szajna W. St. (2009) Nonlinear problem of soil–structure interaction in plane strain conditions, Proc. of  18th Int. Conf. on Computer Methods in Mechanics, Zielona Góra 18-21.05.2009, The University of Zielona Góra Press: 459-460.

Szajna W. St. (2008) Numerical analysis of deformations of a buried flexible shell structure caused by soil compaction process, Proc. of 8th Sc. Conf. “Composite Structures”, Zielona Góra: 395-404 (in Polish).

Szajna W. St. (2007) Numerical analysis of slope stability during excavation in glacitectonically deformed soils, Proc. of  X Glacitectonic Symposium, Sc. Papers of Univ. of Zielona Góra, vol. 134, Envir. Eng. 14: 167-177 (in Polish).

Szajna W. St. (2007) Numerical model for the analysis of construction process of soil-steel culverts, Proc. of  I European Conf. on Buried Flexible Steel Structures, Rydzyna 23-23.05.2007, Archives of Institute of Civil Engrg., No.1:  215-223.

Szajna W. St. (2005) Numerical analysis of steel-reinforced concrete composite girders, Civil and Environmental Engineering Reports, 1: 261-272.

Cyrok G., Szajna W. St. (2004) Conception of a non-linear model of finite dimension subsoil, Proc. of 2nd Sc. Conf. “Soil Structure Interaction”, Białystok - Białowieża: 43-52 (in Polish).

Szajna W. St. (2002) Numerical model of steel-reinforced concrete composite girder, Proc. of 6th Sc. Conf. “Composite Structures”, Zielona Góra: 175-182 (in Polish).

Szajna W. St. (2001) Internal forces in reinforced concrete slabs resting on deformable subsoil in plain strain conditions, Proc. of XLVII Sc. Conf., Polish Academy of Sc., Opole-Krynica, vol.3: 279-286 (in Polish).

Szajna W. St. (1999) The elasto-plastic model of a wall-beam interface, Proc. of 5th Sc. Conf. “Composite Structures”, Zielona Góra: 227-236 (in Polish).

Cyrok G., Szajna W. St. (1997) Non-linear analysis of interaction of reinforced concrete tanks with subsoil, Proc. of XLIII Sc. Conf., Polish Academy of Sc., Poznań-Krynica, Vol. 8: 29-36 (in Polish).

Szajna W. St. (1997) An application of PCG method in soil-structure interaction problems, Proc. of XIII Polish Conf. Comp. Meth. in Mech. 5-8 May, Poznań, Vol 4: 1225-1232.

Cyrok G., Szajna W. St. (1997) Fortran 90 programming in FEM education, Proc. of XIII Polish Conf. Comp. Meth. in Mech. 5-8 May, Poznań, Vol 1: 301-307.

Cyrok G., Szajna W. (1993) Calculation of foundation beams with regarding of special features of concrete and adhesion forces, Proc. of XXXIX Sc. Conf., Polish Academy of Sc., Rzeszów-Krynica, Vol. 2: 51-58 (in Polish).

Cyrok G., Pierepiekarz D., Szajna W. (1992) Analysis of foundation mats with regard to frame superstructure stiffness, Proc. of XXXVIII Sc. Conf., Polish Academy of Sc., Łódź-Krynica, Vol. 1: 25-30 (in Polish).

Kaliszuk K., Szajna W. (1992) Microcomputer realisation of selected large scale structural mechanics problems, Sc. Papers of Tech. Univ. of Zielona Góra, vol. 96, Civ. Eng. 24: 41-47 (in Polish)

Szajna W., Cyrok G. (1990) Calculation of forces in steel column anchorages with regard to initial tension of foundation bolts. Proc. of XXXVI Sc. Conf., Polish Academy of Sc., Wrocław-Krynica, Vol. 3: 89-94 (in Polish).