diff --git a/src/structure/structure_props.ts b/src/structure/structure_props.ts
index 04cd480a1c55a08c95b696394cfef434fe1af771..aab453e1104dcc086434edcacad6dabacbc4ced8 100644
--- a/src/structure/structure_props.ts
+++ b/src/structure/structure_props.ts
@@ -65,7 +65,13 @@ export const loiAdmissiblesCloisons: { [key: string]: LoiDebit[] } = {
     ],
     SeuilRectangulaire: [
         LoiDebit.KIVI, LoiDebit.WeirSubmergedLarinier
-    ]
+    ],
+    SeuilTriangulaire: [
+        LoiDebit.TriangularWeirFree
+    ],
+    SeuilTriangulaireTrunc: [
+        LoiDebit.TriangularTruncWeirFree
+    ],
 };
 
 export const loiAdmissiblesDever: { [key: string]: LoiDebit[] } = {