FLATGEO Consulting Co., Ltd.

List of Standards

List of Standards

The list of standards (ASTM, BS and TCVN) which are commonly used in...

Holiday calendar in 2018

Holiday calendar in 2018

Date Number of days off 2017  New Year's...

Standard Penetration Test

Standard Penetration Test

Standard penetration test (SPT) is one of the most common in situ testing...

Precision or Accuracy ???

Precision or Accuracy ???

When working with technical documents, readers are often deal with specific...

Bulk Density

Bulk Density

1. Definition: A bulk density of a soil sample is defined as a mass per...

Compaction Test

Compaction Test

1. Definition: The bulk density or dry density of soils is not a constant...

Warning on Webpage Content Stealing

Warning on Webpage Content Stealing

On February 27, 2014, flatGEO Consulting Co. accessed to a webpage on...

Datalogger for Oedometers

Datalogger for Oedometers

After a four-month-trial period, flatGEO has finished a datalogger system for...

  • List of Standards

    List of Standards

    July 18, 2011
  • Holiday calendar in 2018

    Holiday calendar in 2018

    October 2, 2011
  • Standard Penetration Test

    Standard Penetration Test

    December 12, 2011
  • Precision or Accuracy ???

    Precision or Accuracy ???

    January 7, 2012
  • Bulk Density

    Bulk Density

    February 20, 2012
  • Compaction Test

    Compaction Test

    March 7, 2012
  • Warning on Webpage Content Stealing

    Warning on Webpage Content Stealing

    February 27, 2014
  • Datalogger for Oedometers

    Datalogger for Oedometers

    July 21, 2015
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DataAcquisitionAfter a four-month-trial period, flatGEO has finished a datalogger system for consolidation tests on oedometer systems made by Nanjing Soil Instrument company in China.

The flatGEO-datalogger system uses displacement transducers produced by Novotechnik (Germany) with following technical specifications:

flatGEO Consulting Co. is implementing an inventory map of geotechnical investigation points using Google Maps service. This map will facilitate the data query and the data availability for a proposed investigation site.

All data points on this map are used the coordinate system of WGS84 with UTM projection. Data points using another coordinate system should be transformed to the WGS84/UTM system.

Click here to view the inventory map.

Research

Not only doing business to satisfy the demand of geotechnical investigation for the construction works, but flatGEO Consulting Co., Ltd. also pays attention to the research activities.

Some major research topics are:

1. Set up a geotechnical database of Hochiminh city

GeoDB

2. Application of geostatistics for geotechnical and hydrogeological properties

Variogram

3. Application 3D modelling for geotechnical properties

3Dstrata

In 2011, Nguyễn Thanh Danh (The Central University of Construction, Phú Yên province) successfully defended his Master of Science thesis in Geological Engineering with the topic "Application of Geostatistics for Geological Structure Modelling at District 1, Ho Chi Minh City".

MSc.Nguyễn Thanh Danh cooperated with flatGEO Consulting Co., Ltd. to apply geostatistics, especially, Kriging methods to interpolate continuous surfaces of geotechnical units using an open-source software SGeMS (Stanford Geostatistical Modelling Software) to set up a 3D model for geological structures at District 1, Ho Chi Minh city.

This approach could be applied for other districts at Ho Chi Minh city or other provinces.

 

3D_2a 3D_2b
3D model for geological structure at Dist.1, HCMC Some vertical cros-sections at the east-west direction

In 2011, Nguyễn Thanh Sơn (Tuy Hoa Industrial College, Phu Yen province) successfully defended his Master of Science thesis in Gelogical Engineering with the topic "Evaluation of Rock Slope Stability and Landslide Susceptibility Mapping for An Linh Commune, Tuy An District, Phu Yen Province".

MSc. Nguyễn Thanh Sơn cooperated with flatGEOConsulting Co., Ltd. in order to apply Bayesian conditional probability method together with GIS tools for landslide susceptibility mapping for  An Linh commune, Tuy An district, Phu Yen province.

Map of landslide susceptibility is presented in figures below.

AnLinh pvung_truot
Location of An Linh commune Landslide susceptibility map