Abstract
This article considers the alternative of the reinforcement of ground basements of historical monuments in the Central Asia with reduced impact geotechnics. Reduced impact geotechnics are job practices which do not interfere with the existing basement structure of buildings and minimize the impact on a ground base, which may degrade the basement condition during the works. To the reduced impact geotechnics the authors refer high-pressure directional injection method and foundation perimeter reinforcement. Reinforcement of a ground foundation by high-pressure directional injecting consists in pressurized feeding of a cement-sand mortar into a ground foundation which increases structural strength of the ground. After the cement-sand mortar is hardened, tough incompressible inclusion form and helps to reinforce the ground. As a result, the foundation becomes geocomposite, obtains better load-bearing capacity and lower deformability. Injection works may be performed both with simple tools like a plaster pump and another common equipment. Perimeter reinforcement consists in introducing separate vertical reinforcing members or a number of hard inclusions into the ground along a perimeter of a shallow basement. As a result, a certain kind of a die block is formed in a foundation and ground condition under the basement head towards compressive. Reinforcing members may be formed by injection of a movable composite. The landmarks of such technologies are the possibility if working in constrained environment (basement of buildings, compact planning), low equipment cost, technological simplicity, low prime cost and high reliability of works.
