Everything about B-OF05B Overflow Test (Damage repair - rock bags )
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
81;B-OF05B Overflow Test (Damage repair - rock bags );Other;;False;False;False;False;False;False;;;;;;IV;51.34202;4.23764;11.2;Landward side of the levee.;"X=140862.90m;
Y=225811.90m;";;;"The damage created during the B-OF05 test, was repaired with an infill of rock bags. Later, this 
area has been subject to further investigation. The description of the design, emplacement 
and performance of this damage repair solution is outside the scope of this report.";"Overflow was performed and it was found that animal burrows facilitated the flow of water under the cover layer, into the rock filled void.
To better understand the role of burrows in this setting, several activities have been performed  and have been separately reported in Hölscher et al. (2021). The main finding for the B-OF05(B)  test site was that the entry point of water inflow into the levee was situated near the side of  the road. The flowing of the water underground could be heard underneath the rock bags. At a later stage, the flow pathway was further investigated and was identified as a mole burrow 
which connects the surface to the sand core. Part of the burrow system was grouted and  excavated.";;;;;;;;;;False;False;False;


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