Seismoacoustic and acoustic-spectral diagnostics
Scheme of crosshole sounding of protection fences and grout curtains

Check and monitoring of condition of concrete slurry wall, jet-grouting and frozen soil fences by crosshole sounding method in underground construction

Conference paper: crosshole acoustic and ultrasonic sounding of artificial soil massifs from holes and embedded tubes
14 min read
Межскважинное акустическое просвечивание естественных грунтов до замораживания (ствол №841, Санкт-Петербург, 2017 г.)

Continuity control of frozen soil fences

Monitoring of frozen soil fences before driving, by crosshole acoustic raying
1 min read
Комплекс технических средств струйной цементации ОАО «Мостостроительный отряд №19»

Continuity control of soil-cement fences, massifs and piles

Control of soil-cement made by jet cementation, and of soil-cement piles of road foundations
1 min read
Устройство буронабивных свай (район Мамайка, г. Сочи, 2012 г.)

Continuity and length control of bored and precast piles

Monitoring of pile integrity, length, form and concrete strength class, and of concrete bridge bearings
1 min read
Аппаратурный комплекс АПЗ-1 при контроле укрепленных грунтов основания тоннеля (Сочи, 2019 г.)

Condition control of tunnel linings

Monitoring the lining condition and searching for voids under concrete slabs by probing
1 min read
map22009

Detection of blind ore bodies by crosshole acoustic raying

Tested between 1970 and 1990 at tens of USSR deposits, including Kochbulak, Uzudmurt and Karamken
1 min read