diff --git a/src/app/components/param-field-line/param-field-line.component.html b/src/app/components/param-field-line/param-field-line.component.html
index b504852524f154d58adcfce7ab77d1030ab30036..67f7218c1d5b7d14bcf1aae3313ed8358b8cfa31 100644
--- a/src/app/components/param-field-line/param-field-line.component.html
+++ b/src/app/components/param-field-line/param-field-line.component.html
@@ -27,6 +27,12 @@
             value="cal" (click)="onRadioClick('cal')" [checked]=radioCalCheck [disabled]=isDisabled id="radio_cal">
             {{uitextParamCalculer}}
         </label>
+
+        <!-- radio "lié" -->
+        <label *ngIf="hasRadioLink()" class="{{radioLinkClass}} h-75 px-3 py-3" [(ngModel)]="radioModel" mdbRadio="Right" name="radio_param_{{symbol}}"
+            value="link" (click)="onRadioClick('link')" [checked]=radioLinkCheck [disabled]=isDisabled id="radio_link">
+            {{uitextParamLie}}
+        </label>
     </div>
 </div>
 
diff --git a/src/app/components/param-field-line/param-field-line.component.ts b/src/app/components/param-field-line/param-field-line.component.ts
index d43df61f3c4f4a7bd72b86cee476ccf4f992d039..68df687f38b75fc745a27517f4a981572fca2e30 100644
--- a/src/app/components/param-field-line/param-field-line.component.ts
+++ b/src/app/components/param-field-line/param-field-line.component.ts
@@ -5,6 +5,7 @@ import { NgParameter, ParamRadioConfig } from "../../formulaire/ngparam";
 import { NgParamInputComponent } from "../ngparam-input/ngparam-input.component";
 import { ServiceFactory } from "../../services/service-factory";
 import { ParamValueMode } from "jalhyd";
+import { FormulaireService } from "../../services/formulaire/formulaire.service";
 
 @Component({
     selector: "param-field-line",
@@ -51,8 +52,11 @@ export class ParamFieldLineComponent implements OnChanges {
 
     private intlService: InternationalisationService;
 
+    private _formService: FormulaireService;
+
     constructor() {
         this.intlService = ServiceFactory.instance.internationalisationService;
+        this._formService = ServiceFactory.instance.formulaireService;
         this.onValid = new EventEmitter();
         this.inputChange = new EventEmitter();
     }
@@ -78,6 +82,10 @@ export class ParamFieldLineComponent implements OnChanges {
         return this.intlService.localizeText("INFO_PARAMFIELD_PARAMCALCULER");
     }
 
+    private get uitextParamLie() {
+        return this.intlService.localizeText("INFO_PARAMFIELD_PARAMLIE");
+    }
+
     /**
      * Parameter symbol (Q, Ks, B, ...) input attribute
      */
@@ -125,6 +133,13 @@ export class ParamFieldLineComponent implements OnChanges {
         }
     }
 
+    /**
+    * calcule la présence du radio "paramètre lié" (importé d'une autre calculette)
+    */
+    private hasRadioLink(): boolean {
+        return this._formService.formulaires.length > 1;
+    }
+
     /**
     * calcule l'état du radio "paramètre fixé"
     */
@@ -148,6 +163,15 @@ export class ParamFieldLineComponent implements OnChanges {
         return undefined;
     }
 
+    /**
+    * calcule l'état du radio "paramètre lié"
+    */
+    private get radioLinkCheck(): string {
+        if (this._param.radioState == ParamRadioConfig.LINK)
+            return "checked";
+        return undefined;
+    }
+
     /**
      * retourne l'état du radio "paramètre fixé" sous forme booléenne
      */
@@ -185,6 +209,10 @@ export class ParamFieldLineComponent implements OnChanges {
             case "cal":
                 this._param.valueMode = ParamValueMode.CALCUL;
                 break;
+
+            case "link":
+                this._param.valueMode = ParamValueMode.LINK;
+                break;
         }
 
         this.onRadio.emit({
@@ -240,6 +268,15 @@ export class ParamFieldLineComponent implements OnChanges {
         return "";
     }
 
+    /**
+     * classe du radio "lié"
+     */
+    private get radioLinkClass(): string {
+        if (this.on)
+            return this.radioLinkCheck == undefined ? this.offClass : this.onClass;
+        return "";
+    }
+
     /**
      * validité des saisies du composant
      */
diff --git a/src/app/formulaire/ngparam.ts b/src/app/formulaire/ngparam.ts
index 552594bc42c3db2db734a7d87c08b1c3fa49f523..aabda4d6525e709f8cd83384fec38c9fa04e1c78 100644
--- a/src/app/formulaire/ngparam.ts
+++ b/src/app/formulaire/ngparam.ts
@@ -24,7 +24,12 @@ export enum ParamRadioConfig {
     /**
      * boutons radio "paramètre fixé", "paramètre à varier" et "paramètre à calculer"
      */
-    CAL
+    CAL,
+
+    /**
+     * boutons radio "paramètre fixé", "paramètre à varier" et "paramètre à calculer", "paramètre lié"
+     */
+    LINK
 };
 
 /**
@@ -80,6 +85,9 @@ export class NgParameter extends InputField {
 
             case ParamValueMode.CALCUL:
                 return ParamRadioConfig.CAL;
+
+            case ParamValueMode.LINK:
+                return ParamRadioConfig.LINK;
         }
     }
 
diff --git a/src/locale/error_messages.en.json b/src/locale/error_messages.en.json
index f010427d9b99184f4cb50a6616c3fb84cfa07578..985191346b4255111ce457b26b637751507cef37 100644
--- a/src/locale/error_messages.en.json
+++ b/src/locale/error_messages.en.json
@@ -33,6 +33,7 @@
     "INFO_PARAMFIELD_PARAMFIXE": "Fixed",
     "INFO_PARAMFIELD_PARAMVARIER": "Vary",
     "INFO_PARAMFIELD_PARAMCALCULER": "Calculate",
+    "INFO_PARAMFIELD_PARAMLIE": "Link",
     "INFO_PARAMFIELD_VALEURMINI": "From minimum value",
     "INFO_PARAMFIELD_VALEURMAXI": "to maximum value",
     "INFO_PARAMFIELD_PASVARIATION": "with a variation step of:",
diff --git a/src/locale/error_messages.fr.json b/src/locale/error_messages.fr.json
index 69c3b8f87818a462c62e51496a1492691a69e19f..4f7493d23d40be7cb8fc2faf3ae577e2c0b2f2c1 100644
--- a/src/locale/error_messages.fr.json
+++ b/src/locale/error_messages.fr.json
@@ -39,6 +39,7 @@
     "INFO_PARAMFIELD_PARAMFIXE": "fixé",
     "INFO_PARAMFIELD_PARAMVARIER": "varier",
     "INFO_PARAMFIELD_PARAMCALCULER": "calculer",
+    "INFO_PARAMFIELD_PARAMLIE": "lié",
     "INFO_PARAMFIELD_VALEURMINI": "De la valeur minimum",
     "INFO_PARAMFIELD_VALEURMAXI": "à la valeur maximum",
     "INFO_PARAMFIELD_PASVARIATION": "avec un pas de&nbsp;:",