diff --git a/src/prebarrage/pb_cloison.ts b/src/prebarrage/pb_cloison.ts
index 74009908ceee4383e57d6a3e91e8b9daab6d853a..72867e448a3ac70eab6a4654e38f93330309c84c 100644
--- a/src/prebarrage/pb_cloison.ts
+++ b/src/prebarrage/pb_cloison.ts
@@ -4,6 +4,7 @@ import { PreBarrage } from "./pre_barrage";
 import { ParallelStructureParams } from "../structure/parallel_structure_params";
 import { CalculatorType } from "../compute-node";
 import { Result } from "../util/result";
+import { LoiDebit, loiAdmissiblesOuvrages } from "../structure/structure_props";
 
 export class PbCloison extends ParallelStructure {
 
@@ -94,4 +95,8 @@ export class PbCloison extends ParallelStructure {
         }
         return minZDV;
     }
+
+    public getLoisAdmissibles(): { [key: string]: LoiDebit[]; } {
+        return loiAdmissiblesOuvrages; // @TODO loiAdmissiblesCloisons plutôt, mais penser à y intégrer Cunge80
+    }
 }
diff --git a/src/structure/structure.ts b/src/structure/structure.ts
index 1797f8a421bd09e531498eddd726b2ad5196f068..88a4aa89487c03d80e98525b474b15bd4ab8196a 100644
--- a/src/structure/structure.ts
+++ b/src/structure/structure.ts
@@ -5,7 +5,8 @@ import { Props } from "../props";
 import { Message, MessageCode } from "../util/message";
 import { Result } from "../util/result";
 import { StructureParams } from "./structure_params";
-import { LoiDebit } from "./structure_props";
+import { LoiDebit, StructureProperties } from "./structure_props";
+import { ParallelStructure } from "./parallel_structure";
 
 /**
  * Flow mode: weir or orifice flow
@@ -75,11 +76,14 @@ export abstract class Structure extends ChildNub {
 
     /** Returns Props object (observable set of key-values) associated to this Nub */
     public get properties(): Props {
-        // completes props with calcType and loiDebit if not already set
+        // completes props with calcType, structureType and loiDebit if not already set
         this._props.setPropValue("calcType", this.calcType);
         if (this._props.getPropValue("loiDebit") === undefined) {
             this._props.setPropValue("loiDebit", this._loiDebit);
         }
+        if (this._props.getPropValue("structureType") === undefined) {
+            this._props.setPropValue("structureType", StructureProperties.findCompatibleStructure(this._props.getPropValue("loiDebit"), this.parent as ParallelStructure));
+        }
         return this._props;
     }
 
diff --git a/src/structure/structure_props.ts b/src/structure/structure_props.ts
index 59794f0c0046c11f7175269e62c474bbdd5c42dc..3197ef4b5c891dd3e9f0b6a8b48017d639f07c4c 100644
--- a/src/structure/structure_props.ts
+++ b/src/structure/structure_props.ts
@@ -134,7 +134,7 @@ export class StructureProperties {
 
     /**
      * @return la 1ère valeur de StructureType compatible avec la loi de débit, dans le contexte
-     * du module de calcul parentNub
+     * du module de calcul parentNub @TODO la 1ère ? normalement il n'y en a qu'une !
      */
     public static findCompatibleStructure(loi: LoiDebit, parentNub: ParallelStructure): StructureType {
         const loisAdmissibles = parentNub.getLoisAdmissibles();