Inertia force effect on longitudinal vibrations of underground pipelines Barna Rahkmankulova, Sayibdjan Mirzaev, Sharafidin Aynakulov, Rakhmatjon Khusainov and Saparboy Khusainov E3S Web Conf., 264 (2021) 01007 Published online: 02 June 2021 DOI: 10.1051/e3sconf/202126401007