V.A. Aladinskiy – Ph. D. (Eng.), Professor, 

LTD «STC» (St. Petersburg)

E-mail: awa2810@yandex.ru 

V.F. Korotkov – Dr.Sc. (Eng.), Senior Research Scientist, Chief Civil Engineer of Projects,  LTD «STС» (St. Petersburg)

E-mail: diofant2912@mail.ru