Cohesion testing tool for granular aggregates - subjects sample under pressure in rectangular box with trapezoidal wings to controlled homogeneous traction
DE4417887A1
Stabilisation method for soft ground
DE4339846A1
Method of stabilising underground gallery arched roof
DE4333708A1
Prestressed ground anchor encased in a granulated material
DE4304816A1
Implement and method for stabilising and exploring soft subsoil
DE4241627A1
Shear wave coupling using freezing for investigating soft ground - involves freezing technique, torsion stimulators and tubular rods
DE4227326A1
Earth piercing appts. for soil treating method - or for mechanical, chemical, hydraulic or biological soil improvement
DE4210196A1
Compensation of vertical or horizontal underground movements - using mineral pastes, which are pressed into ground and disintegrate into ground-preserving minerals
DE4206204A1
Formwork in shape of truncated cone for excavations - with form frame consisting of pipework through which freezing medium is used to solidify ground for temporary work.
DE4125576A1
Pumping dry powder into soil for strengthening - using rigid or flexible hose to introduce chalk-based powder into soil as hose is withdrawn to both stiffen and dewater soil
DE4120201A1
Silo with vibrating discharge chute - has vibrators attached to chute to generate vibrations to prevent clogging
DE3905388A1
Method of constructing subterranean plane load-bearing structures
