If you need any explaination about this form contact ammar.aljer@univ-lille.fr

Activity Name:

1st grout excavation on the Prosperpolder levee

Activity Numbre:

59

Activity type

Survey

Involved Workpackage

Flood defences
Emergency response
Knowledge infrastructure

Objective

To compare the geometry of the excavated grout with geometry traits of the burrow system as shown in GPR scans of the same location.

Activity Brief descriptor

Concrete poured in a system of burrows made by small rodents was excavated manually to reveal the extent and geometry of the system on the levee body.

Linked to theme(s):

Breaching
Animal- & vegetation-induced anomalies
Erosion processes
Temporary levee repairs
Levee survey & monitoring technique
Prolonged collaboration

Activity Time

Start Date:

Oct. 8, 2021, 10 a.m.

End Date:

Oct. 8, 2021, 4:30 p.m.

Active time length:

Days:

1

Hours:

6.5

Other:

Location

Levee stretch:

IV

Coordinates/ Latitude (WGS):

51.340717

Coordinates/ Longitude (WGS):

4.239506

Coordinates/ Altitude (mTAW):

6.62

Descriptor:

The coordinates were extracted from Google Earth (3d view in decimal degrees).

Other references:

The grouting was applied in a barrow system close to the crest, and about 20m southeast from the starting point of the 1st animal barrows survey on the Prosperpolder levee.

Data

Data: 1

Data type: Report with supporting information about data collection and preliminary analysis
Description:
Date availability: None
Media avaliable: Pictures from execution of activity
Find media: Pictures from execution of activity

Relationships with other activities

Detaled information about the activity

Pre-conditions

Activity Descriptor

Equipments

this activity does not have equipments

Monitoring & Sensors

this activity does not have sensors

Limits

During Activity

Post-activity conditions

Immediate Results

Results /Conclusion

Infrastructure Knowledge

Other key information