Everything about N-OF05C Overflow Test (Damage repair + RTM)
id;activity_name;activity_type;activity_descriptor;breaching;animal;erosion;temporary;levee_survey;prolonged;start_date;end_date;date_length_day;date_length_hour;date_other;levee_stretch;location_x;location_y;location_z;location_descriptor;location_other;objectif_important;objectif_knowledge;pre_condition;act_des;monitoring_process;monitoring_reasoning;limits;during_activity;post_activity;activity_result;results_conc;knowledge_desc;ref_links;wrk_1;wrk_2;wrk_3;key_info
69;N-OF05C Overflow Test (Damage repair + RTM);Strength test;;False;False;True;True;False;False;2021-11-17 08:00:00;2021-11-18 12:00:00;1;;4:30 hours of overflow;VI;51.34852;4.22893;12.0;Landward side of levee.;"Lambert '72 cooridnates:
X = 140257.8 m ; Y = 226535.6 m.";This test is part of a series of tests of emergency / temporary repair strategies.;How well does a recently installed geogrid or geotextile with hydroseeding applied, withstand overflow?;Repaired section, with 'reinforced turf mat' (geogrid and hydroseeding'). Vegetation has developed but is still sparse: clay soil is visible in between plants, so no dense vegetation (root) system has developed.;A total time of 4:30 hours of overflow in several episodes. Large-scale erosion of the soil under the grid was observed.;- Overhead cameras (4) - Acoustic water height sensors - Electromagnetic current velocity sensors - Discharge sensor (EM or acoustic);"Description of the hydraulic conditions of the overflow. The setup is described in Vercruysse et al. (2022): ""Design and application of an overflow generator."" (Ref WL2022R20_047_1)";;Large-scale erosion of the soil under the grid was observed.;Large-scale damage to the cover layer.;As long as the vegetation cover is not well developed, including a dense root system and completely covered  soil, the emergency repair does not give protection against overflow.;Factual data report: https://stowanl-my.sharepoint.com/:w:/g/personal/llhpp_stowa_nl/EX5yYnuJ-EBBjoKAxAwg8LkBef8ra9V_-GHjzbkz0Was8g?e=pyaUSq Annexes: https://stowanl-my.sharepoint.com/:w:/g/personal/llhpp_stowa_nl/EWIzoxIhxopCryc6744YgHYBBWr_0fhoGpJ_1pSy0_tM2w?e=pY8Hc6;An integration report will be added later (February 2023) as knowledge document.;under development;True;True;False;


All DATA concerning N-OF05C Overflow Test (Damage repair + RTM)
data_type;data_descripion;date_date;data_find;data_media;data_media_find
Timeseries;Timeseries of Discharge, Water Height and Current Velocity in different positions on the levee slope.;;https://stowanl-my.sharepoint.com/:f:/g/personal/llhpp_stowa_nl/EvlsCeZhq-tGqDmDAI2wo4cBrcGJ9nYKy5P_uSodtZ1bGg?e=BEExyQ;;
Photo imagery;2 portals with in total 4 cameras are used to take surface photographs of the levee slope at different times during and in between overflow activity. The surface images in between overflow blocks show damage and vegetation evolution.;;https://stowanl-my.sharepoint.com/:f:/g/personal/llhpp_stowa_nl/EjX8K2wG6XhApjxEr6h09yUBxwTYxWNDcmJ5psChD6Jmow?e=aiBXgU;;


All EQUIPMENTS concerning N-OF05C Overflow Test (Damage repair + RTM)
equip_type;equip_usage
Overflow generator.;"The setup is described in Vercruysse et al. (2022): ""Design and application of an overflow generator."" (Ref WL2022R20_047_1)"


All SENSORS concerning N-OF05C Overflow Test (Damage repair + RTM)
No sensors added