The purpose of this work is to establish character and causes of the main deteriorations and defects of Lithuanian earth dams
(due to environmental impact) on the basis of 2002-2009 performed field investigations and to estimate changes of the technical state of dams in comparison with results of field investigation executed in 1997.
In order to investigate the effect of horizontal drain on the earth dam
, a sample dam is analyzed once with a horizontal drain upstream and once again horizontal, non- drain for water rapid drawdown and shear stresses of these dams are compared.
Measuring, controlling and investigating of pore water pressure have significant importance in different stages of earth dam
life (construction and operation) .
Case histories on two major USACE earth dam
seismic rehabilitation projects are provided.
Tenders are invited for Improvement to approach road renovation of longitudinal and cross drains of main earth dam
, dyke I II and III of Balimela Dam Project under Dam and Rehabilitation and Improvement Project DRIP for the year 2015 16
with clay core, homogeneous dams, rock fill dams, arch dams and etc.
Most of dams are earth dams
with drop-in let spillway and do not serve the flood mitigation, which importance is obvious now.
Looking first at the work and then at the machines, they consider such aspects as surveys and measurements, ponds and earth dams
, costs and management, revolving shovels and excavators, tractors and bulldozers, and compressors and drills.
AaAaAa The project also provides for constructing 11 earth dams
to preserve ground water and protect certain centers against the risk of flooding.
Exploration drilling - Overburden stripping - Loading and hauling - Mine management services - Rehabilitation of mine sites - Construction of slimes & tailings dams, earth wall reservoirs and earth dams
- Construction and maintenance of roads
Prevention of tunnel erosion or 'piping' in earth dams
built with dispersive clays has involved a combination of approaches including; chemical amelioration, controlled compaction, and sand filters.
5m concessionary loan, some 89% of the total cost, is helping to finance the construction of small earth dams
and dykes to improve natural drainage in the area which is partly under mangrove swamps.
Our programme includes constructing earth dams
, pans, wells and springs.
Housner of the California Institute of Technology in Pasadena, it's particularly important because of its potential effect on critical structures like nuclear power plants and large earth dams
The Company has engaged in big volume earthworks and rock excavation, tunnel driving and lining, construction of roads and bridges, earth dams
and water systems, land development and mass housing, among others.