Case Study

These case studies highlight how GeoSitter's monitoring instruments, data management software and hydraulic jacks for pile load test excel in a number of projects.

Deep Foundation Pit Monitoring

GeoSitter has nearly 20 years of experience in structural health monitoring with technologies such as Internet of Things (loT) infrastructure, cloud computing, local area networks/communication networks, etc. It established an intelligent excavation online monitoring system, enabling real-time monitoring at excavation construction sites. The monitoring system, based on the cloud computing service center, can accommodate data from tens of thousands of structures such as bridges, tunnels, and slopes, forming a regional structural health monitoring platform. This platform enables unified monitoring and management of all structures within the region. 


Deep Foundation Pit Monitoring
Monitoring Items

Monitoring Items

Monitoring Parameters

Monitoring Instruments

Monitoring Position

Deformation Monitoring

Horizontal Displacement of the Top of Retaining Wall

Total Station

Top of Retaining Wall

Vertical Displacement of the Top of Retaining Wall

Total Station, Level Meter

Top of Retaining Wall

Deep Layer's Horizontal Displacement

Inclinometer

Retaining Structure and Surrounding Soil Body

Vertical Displacement of Columns

Total Station, Level Meter

Pit Columns

Stress/Strain Monitoring

Support Internal Force

Strain Gauge, Axial Force Gauge

Pit's Supporting Column

Column's Internal Force

Rebar Strain Gauge

Pit's Steel Columns

Anchor Rod's Internal Force

Anchor Loadcell

Pit's Surrounding

Soil Body's Internal Force

Rebar Strain Gauge

Pit's Surrounding

Retaining Wall's Internal Force

Rebar Strain Gauge

Pit's Retaining Wall

Environment Monitoring

Surrounding Ground Surface Vertical Displacement

Total Station

Surrounding Ground Surface

Surrounding Buildings' Vertical Displacement

Hydrostatic Level Meter

Surrounding Buildings

Surrounding Buildings' Inclination

Tilt Meter

Surrounding Buildings

Surrounding Buildings' Horizontal Displacement

Total Station

Surrounding Buildings

Surrounding Buildings and Surface Cracks

Crack Meter

Surrounding Buildings and Ground  Surface

Surrounding Pipeline Deformation

Total Station

Surrounding Pipelines

Underground Water Level

Pore Water Pressure Gauge, Water Level Meter

Pit's Surrounding


Early Warning Analysis System

GeoSitter Monitoring Data Platfomm enhances the safety of projects in various cases with the advantages: 

  • Developed by Engineering Experts 

  • Compatible with Other Instruments and Software

  • Data Can Be Easily and Intelligently Managed

  • Features Highly Customizable Options

link-to-data-platform
Related Monitoring Instruments
  • INCLINO-ROBOT-IRA
  • GROUND WATER LEVEL METER
  • SHAPE ACCEL ARRAYS (SAA)
INCLINO-ROBOT-IRA

The Inclino_Robot_IRA inclinometer offers precise angle measurements for monitoring and controlling tilt and inclination in pile foundations, slopes, tunnel, structural heath, dam, etc. 

ModelIRA-30

Operating Temperature

-10~60℃

Measuring Range

±30°

Size

295mm × 275mm × 233mm

Resolution

0.02mm/500mm

Instrument Weight

24kg

Accuracy

0.25mm/m

Instrument Wheelbase

500mm

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GROUND WATER LEVEL METER

The ground water level meter is a state-of-the-art instrument designed for accurate measurement of groundwater levels and subsurface water pressure changes. 

Model

GS-GLMI03

Collection Method

Lora/NB wireless collection

Pressure Range

-0.1 to 60 MPa

Wide Temperature Operation

-35 to 75°C

Accuracy Level

0.1%

Calibration Method

485 communication multi-point calibration

Pressure Overload

Overload less than 20%

Protection Level

IP68

Power Supply Mode

3.5V to 12V

Battery Capacity

9000 mAh

Emission Current

<130 mA

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SHAPE ACCEL ARRAYS (SAA)

The shape accel arrays is an advanced instrument designed to measure ground and structural deformations with high precision and reliability. 

Model

GS-SA01

Tensile Guarantee

550 kgf

Working Method

Micro-Electro-Mechanical System (MEMS) acceleration

Waterproof Guarantee

200m underwater (2MPa)

Operating Environment

-40~60°C (humidity 95%)

Angle Range

0~360°

Magnetic Field Interference

No impact

Measurement Accuracy

±0.002° (0.0006 in) (0.02 mm @ 500 mm)

±0.005° (0.0014 in) (0.05 mm @ 500 mm)

±0.012° (0.003 in) (0.1 mm @ 500 mm)

Electric Field Interference

No impact

Deformation Trajectory

Real-time playback of deformation trajectory

Length

Single section: 0.3m, 0.5m, or 1m (optional)

Maximum Bending Angle at Segment Connection

180°

Sensor Length

Customizable

Anti-Twist Correction Accuracy

Better than ±1° / Better than ±1.2° / Better than ±1.8°

Electrical Power Consumption

DC 12V 3.2mA/node

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