Open AccessPROBLEMS OF DESIGNING PILE FOUNDATIONS FOR EXPLOSIVE OBJECTS ON SEDIMENTAL SOILS IN A SEISMIC REGION
Author(s) -
V.V. Serbin,
O.B. Galay,
M.V. Galay,
Llc «Grunt»
Publication year - 2021
Language(s) - English
Resource type - Conference proceedings
DOI - 10.22227/978-5-7264-2875-8.2021.141-145
Subject(s) - explosive material , pile , decree , factory (object oriented programming) , soil water , geotechnical engineering , induced seismicity , mining engineering , engineering , geology , forensic engineering , civil engineering , archaeology , computer science , geography , soil science , programming language
By the decree of the Council of Ministers of the USSR in 1975in the Budennovsk city, Stavropol Territory, the construction of the world's largest Prikumsk plastics factory (now Stavrolen LLC of the PJSC LUKOIL) began. The construction and operation of the factory was complicated by collapsible loessal soils of type II soil conditions and a subsequent increase in seismicity up to 8 points. Explosive objects of the plant, without validation of a design, were first designed on driven reinforced concrete non-sulfate-resistant piles in the amount of about 20 thousand pieces. Testing of experimental piles with soaking of pits led to their failure. After that, the piles were lengthened by 3 m, their doubles were additionally hammered and the grillages were strengthened. Long-term trouble-free operation of the plant has shown the reliability of the decisions made. The problem of seismic resistance of pile foundations in collapsible and watered loessial soils remains unresolved.