4. ENGINEERING GEOLOGY

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4. ENGINEERING GEOLOGY

- Map of load bearing capacity of soil base

- Engineering geological actual material map

- Map of engineering geological borehole logs

- Maps of urban geological investigation, maps of environmental geological investigation

2. Soil investigation for various civil engineering

- Geotechnical exploratory drilling up to 100m deep onshore and offshore.

- Standard penetration test and static cone penetration test.

- Vane shear test.

- Static plate load test and collapse load test in pit.

3. Soil treatment

- Excavation dewatering.

- Sand pile and prefabricated vertical drains with preloading.

- Pour pile and sonic test on pour piles.

4. Thematic studies

- Application of informatics technology in management and exploitation of engineering geological data.

Monitoring for horizontal deformation.

- Monitoring for pore pressure.

- Investigation, monitoring and determination of generation mechanism, driving forces and trigger factors causing landslides on slopes.

5. Special software

a) Geo- Slope Office V.5

- GEO-SLOPE OFFICE V.5 is a product of GEOSLOPE International –Canada. GEO-SLOPE OFFICE V.5 includes 6 packages:

- SEEP/W is a finite element software, used for modeling movement of water and distribution of pore pressure in porous media.

- SIGMA/W is a finite element software, used for analyzing stress-strain in soil and rock media, from simple linear deformation to complex non-linear effective stress elastic-plastic deformation.

- SLOPE/W is a finite element software, used for analyzing slope stability of a saturated and unsaturated soil and rock slope. SLOPE/W has application in the analysis and design for geotechnical, civil, and mining engineering projects.

- QUAKE/W is a geotechnical finite element software product for the dynamic analysis of earth structures subjected to earthquake shaking. It can also be used to compute the excess pore-water pressures that may be generated. Once the QUAKE/W analysis is complete, the resulting stresses and pore-water pressures can then be used in SLOPE/W to analyze the stability aspects of the problem.

- CTRAN/W is a finite element software product that can be used to model the movement of contaminants through porous materials such as soil and rock. The comprehensive formulation of CTRAN/W makes it possible to analyze problems varying from simple particle tracking in response to the movement of water, to complex processes involving diffusion, dispersion, adsorption

b) Plaxis V. 7.2

- Plaxis is a finite element package specifically intended for the analysis of deformation and stability in geotechnical engineering projects.

- Geotechnical applications require advanced constitutive models for the simulation of the non-linear and time-dependent behavior of soils.

- Since soil is a multi-phase material, special procedures are required to deal with hydrostatic and non-hydrostatic pore pressures in the soil.

- Plaxis is equipped with special features to deal with the numerous aspects of complex geotechnical structures.

c) RockWork

- Management of borehole data and input of geophisic, chemical, lithological, stratigraphical, water level, fracture and borehole parameters.

- Display various types of boring logs, stratigraphy, cross sections, fence sections and block schemes.

- Contains series of geological facilities for generating maps of isolines, mesh, block schemes, calculating volumes, hydrogeological and geochemical facilities...