{"id":3295,"date":"2022-09-19T07:29:49","date_gmt":"2022-09-19T06:29:49","guid":{"rendered":"https:\/\/roussesinfo.fr\/patrimoine\/?page_id=3295"},"modified":"2025-08-30T08:26:47","modified_gmt":"2025-08-30T07:26:47","slug":"reperes-de-nivellement","status":"publish","type":"page","link":"https:\/\/roussesinfo.fr\/patrimoine\/activites-en-relation-avec-les-transports\/reperes-de-nivellement\/","title":{"rendered":"Rep\u00e8res de nivellement"},"content":{"rendered":"

[et_pb_section fb_built=\u00a0\u00bb1″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_image=\u00a0\u00bbhttps:\/\/roussesinfo.fr\/patrimoine\/wp-content\/uploads\/2022\/08\/Textures-parcemin_01-scaled.jpg\u00a0\u00bb custom_padding=\u00a0\u00bb5px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row admin_label=\u00a0\u00bbFil arianne\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb width=\u00a0\u00bb95%\u00a0\u00bb max_width=\u00a0\u00bb1711px\u00a0\u00bb custom_padding=\u00a0\u00bb5px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb theme_builder_area=\u00a0\u00bbpost_content\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4″ _builder_version=\u00a0\u00bb4.25.2″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb theme_builder_area=\u00a0\u00bbpost_content\u00a0\u00bb][lwp_divi_breadcrumbs use_before_icon=\u00a0\u00bbon\u00a0\u00bb before_icon=\u00a0\u00bb||divi||400″ link_color=\u00a0\u00bb#E02B20″ separator_color=\u00a0\u00bb#0C71C3″ current_text_color=\u00a0\u00bb#000000″ admin_label=\u00a0\u00bbFil arianne\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.4″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb module_font=\u00a0\u00bbTimes New Roman|600|on||||||\u00a0\u00bb module_text_color=\u00a0\u00bb#000000″ module_font_size=\u00a0\u00bb19px\u00a0\u00bb custom_margin=\u00a0\u00bb2px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb theme_builder_area=\u00a0\u00bbpost_content\u00a0\u00bb][\/lwp_divi_breadcrumbs][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_padding=\u00a0\u00bb15px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n

Rep\u00e8res de nivellement<\/span><\/p>\n

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Un rep\u00e8re de nivellement est un point mat\u00e9rialis\u00e9 dont l\u2019altitude est d\u00e9termin\u00e9e avec\u00a0<\/em><\/strong>pr\u00e9cision<\/em><\/strong><\/a>. Il existe de nombreux types de\u00a0<\/em><\/strong>rep\u00e8res de nivellement<\/em><\/strong><\/a>, g\u00e9n\u00e9ralement m\u00e9talliques <\/em><\/strong><\/span><\/p>\n

Indications figurant sur les rep\u00e8res de nivellement\u00a0 :\u00a0 <\/em><\/strong><\/span>Certains\u00a0<\/em><\/strong>rep\u00e8res de nivellement<\/em><\/strong><\/a>\u00a0comportent des plaquettes o\u00f9 peuvent figurer un matricule ou une\u00a0<\/em><\/strong>altitude<\/em><\/strong><\/a>. Ces renseignements, s\u2019ils pr\u00e9sentent parfois un int\u00e9r\u00eat esth\u00e9tique et patrimonial, ne sont plus d\u2019actualit\u00e9 dans la plupart des cas. Pour conna\u00eetre le matricule et l\u2019altitude d\u2019un rep\u00e8re de nivellement, il est indispensable de consulter sa\u00a0<\/em><\/strong>fiche signal\u00e9tique<\/em><\/strong><\/a>.<\/b>
Une plaquette en aluminium est fix\u00e9e au centre des rep\u00e8res de type\u00a0m\u00e9daillon\u00a0dont l’altitude a \u00e9t\u00e9 d\u00e9termin\u00e9e ou contr\u00f4l\u00e9e r\u00e9cemment. Le matricule et l\u2019altitude exacte, sujets \u00e0 variations (renum\u00e9rotations, <\/b>d\u00e9pose repose<\/b><\/span><\/span>, etc.) n\u2019y sont plus indiqu\u00e9s. Seule est frapp\u00e9e l\u2019altitude arrondie au m\u00e8tre, dans un but d\u2019information d\u2019un public non technicien.<\/b>
Un rep\u00e8re qui n\u2019est pas muni de plaquette n\u2019est pas un rep\u00e8re abandonn\u00e9. Il est aussi utile qu\u2019un rep\u00e8re disposant d\u2019une plaquette et doit faire l\u2019objet des m\u00eames mesures de conservation.<\/b><\/em><\/span><\/p>\n

Voici un rep\u00e8re de nivellement r\u00e9cent de type m\u00e9daillon muni d’une plaquette altitudinale. L\u2019altitude d\u2019un rep\u00e8re de nivellement est susceptible d\u2019\u00e9voluer au cours du temps. Pour \u00e9viter de changer la plaquette altitudinale \u00e0 chaque op\u00e9ration de nivellement et inciter \u00e0 utiliser l\u2019altitude la plus \u00e0 jour, disponible sur la\u00a0<\/em><\/strong>fiche signal\u00e9tique<\/em><\/strong><\/a> du rep\u00e8re, l\u2019altitude marqu\u00e9e sur le rep\u00e8re est arrondie au m\u00e8tre.<\/em><\/strong>\u00a0<\/em><\/strong><\/span><\/p>\n

Voir les rep\u00e8res sur G\u00e9oportail<\/em><\/strong><\/span><\/a><\/p>\n

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