Cantilever bridge (original) (raw)

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جسر كابولي أو جسر ناتئ (بالإنجليزية: Cantilever bridge) هو أحد أنواع الجسور، يتم بناؤه باستخدام الكابول، وهياكل تمتد أفقيا إلى الفضاء، معتمدة على نهاية واحدة فقط. بالنسبة لجسور المشاة الصغيرة، قد يكون الكابول بشكل كمرات بسيطة، بينما في الجسور الناتئة الكبيرة، تم تصميمها للتعامل مع استخدام حركة مرورالطرق أو السكك الحديدية عبر دعامات مبنية من الصلب الإنشائي، أو عوارض مربعة مبنية من خرسانة مسبقة الإجهاد. كان الجسر الكابولي الجمالوني يشكل اختراقا هندسيا كبيرا عندما تم استخدامه عمليا لأول مرة، لأنه يمكن أن يمتد لمسافات أكثر من 460 م، كما يمكن أن يُشيد بسهولة في المعابر الصعبة بحكم الاستخدام القليل أو المعدوم للسقالات.

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dbo:abstract جسر كابولي أو جسر ناتئ (بالإنجليزية: Cantilever bridge) هو أحد أنواع الجسور، يتم بناؤه باستخدام الكابول، وهياكل تمتد أفقيا إلى الفضاء، معتمدة على نهاية واحدة فقط. بالنسبة لجسور المشاة الصغيرة، قد يكون الكابول بشكل كمرات بسيطة، بينما في الجسور الناتئة الكبيرة، تم تصميمها للتعامل مع استخدام حركة مرورالطرق أو السكك الحديدية عبر دعامات مبنية من الصلب الإنشائي، أو عوارض مربعة مبنية من خرسانة مسبقة الإجهاد. كان الجسر الكابولي الجمالوني يشكل اختراقا هندسيا كبيرا عندما تم استخدامه عمليا لأول مرة، لأنه يمكن أن يمتد لمسافات أكثر من 460 م، كما يمكن أن يُشيد بسهولة في المعابر الصعبة بحكم الاستخدام القليل أو المعدوم للسقالات. (ar) Un pont en mènsula (en anglès cantilever bridge) és un pont en el qual una o més bigues principals treballen com mènsula o voladís. Normalment, les grans estructures es construeixen per la tècnica de volats successius, mitjançant mènsules consecutives que es projecten en l'espai a partir de la mènsula prèvia. Els petits ponts de vianants poden construir amb bigues simples, però els ponts de major importància es construeixen amb grans estructures reticulades d'acer o bigues tipus calaix de formigó posttensatge, o mitjançant ponts penjants. (ca) Konzolový most je most, který je postaven pomocí konzol, což jsou nosníky, které vyčnívají horizontálně do prostoru, podepřené pouze na jednom konci. U malých mostů pro pěší to mohou být jednoduché trámy, ale velké mosty navrhované na silniční nebo železniční dopravu využívají nosníky postavené z konstrukční oceli nebo trámy z předpjatého betonu. Konzolový most s ocelovými nosníky znamenal při prvním zavedení do praxe velký přelom, protože dokáže překlenout velké vzdálenosti a je ho možné postavit jednoduše. (cs) Modilonpontoj aŭ kantilevraj pontoj estas konstruitaj uzante modilonajn aŭ kantilevrajn horizontalajn trabojn subtenitajn nur sur unu pinto. Plej modilonpontoj uzas paron de kontinuaj malfermoj kiuj etendas el malaj flankoj de subtenaj pilieroj por kuniĝi ĉe la centro de la baro kiun la ponto supertrapasas. Modilonpontoj estas konstruitaj uzante multe la samajn materialojn kaj teknikojn kiel trabopontoj. La diferenco estas je la agado de la fortoj tra la ponto. Kelkaj modilonpontoj havas ankaŭ pli malgrandan trabon konektante la du modilonojn, por atingi kroman forton. La plej granda modilonponto estas kun 549 m la Kebeka Ponto en Kebekio, Kanado. (eo) A cantilever bridge is a bridge built using structures that project horizontally into space, supported on only one end (called cantilevers). For small footbridges, the cantilevers may be simple beams; however, large cantilever bridges designed to handle road or rail traffic use trusses built from structural steel, or box girders built from prestressed concrete. The steel truss cantilever bridge was a major engineering breakthrough when first put into practice, as it can span distances of over 1,500 feet (460 m), and can be more easily constructed at difficult crossings by virtue of using little or no falsework. (en) Eine Auslegerbrücke (englisch cantilever bridge) ist eine Brücke, bei der Teile des Tragwerks als Kragträger (“Ausleger”) ausgeführt sind. Meistens bilden zwei gegeneinander gerichtete und an ihren Spitzen miteinander verbundene Ausleger die Mittelöffnung einer solchen Brücke. An dieser Stelle hat der Brückenaufbau seine geringste Höhe, während er am Beginn der Ausleger über den Flusspfeilern am höchsten ist. Bei der Gerberträgerbrücke ist zwischen den freien Enden der Ausleger ein separater Brückenträger (sogenannter Einhängeträger) gelenkig gelagert, wodurch eine größere Öffnungs-Breite erreichbar ist. Diese Konstruktion entspricht dem zweigelenkigen Gerberträger, der Erfindung Heinrich Gerbers, mit der er einen auf mehr als zwei Lagern liegenden Durchlaufträger in ein statisch bestimmtes Tragsystem umwandelte. Einfache Auslegerbrücken aus Holz mit aufgelegten Zwischen-Teilen (siehe nebenstehende Abbildung) gab es schon im Altertum. Im modernen Brückenbau kamen sie erst nach Gerbers Neuerfindung in der zweiten Hälfte des 19. Jahrhunderts zur Ausführung. Die aus den Ketten- und Seil-Hängebrücken hervorgegangenen und diesen ähnlich aussehenden massiven Stahlbrücken werden auch zu den Auslegerbrücken gezählt (kein Mittelgelenk, siehe nebenstehende Abbildung: Eiserner Steg in Frankfurt/Main). Zum ursprünglichen Ausleger als Stahlfachwerkträger kam später der Kastenträger aus Spannbeton hinzu. (de) Un puente en ménsula o cantílever es un puente en el cual una o más vigas principales trabajan como ménsula o voladizo. Normalmente, las grandes estructuras se construyen por la técnica de volados sucesivos, mediante ménsulas consecutivas que se proyectan en el espacio a partir de la ménsula previa. Los pequeños puentes peatonales pueden construirse con vigas simples, pero los puentes de mayor importancia se construyen con grandes estructuras reticuladas de acero o vigas tipo cajón de hormigón postensado, o mediante estructuras colgadas. (es) Hegal-zubia edo cantilever habe nagusi batek edo gehiagok mentsula edo hegal gisa lan egiten duten zubi bat da. Oinezkoentzako zubi txikiak habe sinpleekin eraiki daitezke, baina garrantzi handieneko zubiak altzairuzko egitura sareztatu handiekin edo hormigoi postentsatuzko tiradera moduko habeekin eraikitzen dituzte, edo zintzilik dauden egituren bidez. (eu) Un pont à poutres en porte-à-faux ou plus simplement pont cantilever (de l’anglais pour « porte-à-faux ») est un pont dont le tablier est constitué de poutres construites en porte-à-faux (ou, autrement dit, "en console" ou bien "par encorbellements successifs"), c'est-à-dire par des structures qui se projettent horizontalement dans l'espace, soutenues à une seule extrémité. Pour les petites passerelles, les porte-à-faux peuvent être de simples poutres. Les grands ponts en porte-à-faux, conçus pour gérer le trafic routier ou ferroviaire, utilisent des fermes en acier de construction ou des poutres-caissons en béton précontraint. Le pont en porte-à-faux en treillis d'acier a été une percée technique majeure. Il peut s'étendre sur des distances de plus de 500 m. Ce mode de construction a répondu à plusieurs contraintes pour construire un pont : * Franchir un obstacle, comme une rivière, ne permettant pas d'utiliser de cintre ni d'échafaudages s'appuyant au sol lors de la construction pour en limiter le coût de construction, et limiter les risques en cas de crues ; * Assurer la continuité d'un pont de plusieurs travées, pour limiter sa déformation dans le cas d'une construction métallique en treillis soumise à des charges lourdes dans le cas de ponts ferroviaires. (fr) カンチレバー橋(かんちればーきょう、英: cantilever bridge)は、連続桁にヒンジを用いて静定構造とした橋梁。ゲルバー橋(Gerber bridge)ともいう。 (ja) Een brug volgens het principe van de gerberligger of in het Engels cantilever bridge is een brugtype waarbij gebruikgemaakt wordt van een eenzijdige ophanging. Een voorbeeld dat tegenwoordig toegepast wordt is de uitbouwbrug. De simpelste vorm van de 'cantileverbrug' wordt gevormd door twee uitkragende liggers aan elke oever een, waarbij de armen elkaar in het midden, boven het water, ontmoeten. Bij een variant ontmoeten de armen van de uitkragende liggers elkaar niet, maar ondersteunen een middengedeelte bestaande uit een vakwerkligger zoals bij een gerberligger. Een duidelijk voorbeeld hiervan is de Forth Bridge in Edinburgh. (nl) Il ponte a sbalzo, detto anche a mensola, o in inglese a cantilever, è un tipo di ponte la cui struttura è basata sulle cosiddette travi a sbalzo. Una trave è definita a sbalzo quando è vincolata ad una sola estremità, costruendo, quindi, una campata unendone due poste alle estremità della struttura. (it) En konsolbro är en brotyp med fribärande strukturer, som skjuter ut från fästpunkter förankrade i marken. Vanligen byggs de utskjutande delarna parvis, så att de balanserar varandra och kan stå för sig själva under byggtiden. En konsolbro kan utformas som en balkbro eller ha stöd av ett fribärande fackverk. Snedkabelbroar byggs på ett liknande sätt men är inte fribärande utan hålls på plats av stag spända över brobanan. De betraktas därför inte som konsolbroar. Det svenska namnet konsolbro kommer av den byggtekniska termen konsol, som betecknar ett stöd som skjuter fram från en vägg för en hylla eller liknande. De engelska cantilever bridge och cantilever har samma betydelse. Ordet konsol kan också beteckna manöverbordet på en maskin (typ dator av äldre modell). Detta har ingenting med brotypen att göra. En berömd konsolbro med fackverk är Forthbron över Firth of Forth i Skottland. Den byggdes 1883–1890 och är registrerad som värdsarv sedan 2015. Huvuddelen av bron har tre förankringar med vardera två utskjutande delar. (sv)
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dbp:ancestorNames dbr:Beam_bridge dbr:Truss_bridge
dbp:carries Pedestrians, automobiles, trucks, light rail, heavy rail (en)
dbp:descendentNames dbr:Swing_bridge
dbp:design Medium (en)
dbp:falsework Very little to none (en)
dbp:imageTitle The Pierre Pflimlin Bridge is a balanced cantilever made of concrete, shown here under construction. (en)
dbp:material dbr:Prestressed_concrete dbr:Iron dbr:Structural_steel
dbp:movable No (en)
dbp:siblingNames None (en)
dbp:spanRange Medium (en)
dbp:typeName Cantilever bridge (en)
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dcterms:subject dbc:Bridges_by_structural_type dbc:Cantilever_bridges
gold:hypernym dbr:Bridge
rdf:type owl:Thing dbo:Bridge
rdfs:comment جسر كابولي أو جسر ناتئ (بالإنجليزية: Cantilever bridge) هو أحد أنواع الجسور، يتم بناؤه باستخدام الكابول، وهياكل تمتد أفقيا إلى الفضاء، معتمدة على نهاية واحدة فقط. بالنسبة لجسور المشاة الصغيرة، قد يكون الكابول بشكل كمرات بسيطة، بينما في الجسور الناتئة الكبيرة، تم تصميمها للتعامل مع استخدام حركة مرورالطرق أو السكك الحديدية عبر دعامات مبنية من الصلب الإنشائي، أو عوارض مربعة مبنية من خرسانة مسبقة الإجهاد. كان الجسر الكابولي الجمالوني يشكل اختراقا هندسيا كبيرا عندما تم استخدامه عمليا لأول مرة، لأنه يمكن أن يمتد لمسافات أكثر من 460 م، كما يمكن أن يُشيد بسهولة في المعابر الصعبة بحكم الاستخدام القليل أو المعدوم للسقالات. (ar) Un pont en mènsula (en anglès cantilever bridge) és un pont en el qual una o més bigues principals treballen com mènsula o voladís. Normalment, les grans estructures es construeixen per la tècnica de volats successius, mitjançant mènsules consecutives que es projecten en l'espai a partir de la mènsula prèvia. Els petits ponts de vianants poden construir amb bigues simples, però els ponts de major importància es construeixen amb grans estructures reticulades d'acer o bigues tipus calaix de formigó posttensatge, o mitjançant ponts penjants. (ca) Konzolový most je most, který je postaven pomocí konzol, což jsou nosníky, které vyčnívají horizontálně do prostoru, podepřené pouze na jednom konci. U malých mostů pro pěší to mohou být jednoduché trámy, ale velké mosty navrhované na silniční nebo železniční dopravu využívají nosníky postavené z konstrukční oceli nebo trámy z předpjatého betonu. Konzolový most s ocelovými nosníky znamenal při prvním zavedení do praxe velký přelom, protože dokáže překlenout velké vzdálenosti a je ho možné postavit jednoduše. (cs) Un puente en ménsula o cantílever es un puente en el cual una o más vigas principales trabajan como ménsula o voladizo. Normalmente, las grandes estructuras se construyen por la técnica de volados sucesivos, mediante ménsulas consecutivas que se proyectan en el espacio a partir de la ménsula previa. Los pequeños puentes peatonales pueden construirse con vigas simples, pero los puentes de mayor importancia se construyen con grandes estructuras reticuladas de acero o vigas tipo cajón de hormigón postensado, o mediante estructuras colgadas. (es) Hegal-zubia edo cantilever habe nagusi batek edo gehiagok mentsula edo hegal gisa lan egiten duten zubi bat da. Oinezkoentzako zubi txikiak habe sinpleekin eraiki daitezke, baina garrantzi handieneko zubiak altzairuzko egitura sareztatu handiekin edo hormigoi postentsatuzko tiradera moduko habeekin eraikitzen dituzte, edo zintzilik dauden egituren bidez. (eu) カンチレバー橋(かんちればーきょう、英: cantilever bridge)は、連続桁にヒンジを用いて静定構造とした橋梁。ゲルバー橋(Gerber bridge)ともいう。 (ja) Il ponte a sbalzo, detto anche a mensola, o in inglese a cantilever, è un tipo di ponte la cui struttura è basata sulle cosiddette travi a sbalzo. Una trave è definita a sbalzo quando è vincolata ad una sola estremità, costruendo, quindi, una campata unendone due poste alle estremità della struttura. (it) Eine Auslegerbrücke (englisch cantilever bridge) ist eine Brücke, bei der Teile des Tragwerks als Kragträger (“Ausleger”) ausgeführt sind. Meistens bilden zwei gegeneinander gerichtete und an ihren Spitzen miteinander verbundene Ausleger die Mittelöffnung einer solchen Brücke. An dieser Stelle hat der Brückenaufbau seine geringste Höhe, während er am Beginn der Ausleger über den Flusspfeilern am höchsten ist. Zum ursprünglichen Ausleger als Stahlfachwerkträger kam später der Kastenträger aus Spannbeton hinzu. (de) Modilonpontoj aŭ kantilevraj pontoj estas konstruitaj uzante modilonajn aŭ kantilevrajn horizontalajn trabojn subtenitajn nur sur unu pinto. Plej modilonpontoj uzas paron de kontinuaj malfermoj kiuj etendas el malaj flankoj de subtenaj pilieroj por kuniĝi ĉe la centro de la baro kiun la ponto supertrapasas. Modilonpontoj estas konstruitaj uzante multe la samajn materialojn kaj teknikojn kiel trabopontoj. La diferenco estas je la agado de la fortoj tra la ponto. Kelkaj modilonpontoj havas ankaŭ pli malgrandan trabon konektante la du modilonojn, por atingi kroman forton. (eo) A cantilever bridge is a bridge built using structures that project horizontally into space, supported on only one end (called cantilevers). For small footbridges, the cantilevers may be simple beams; however, large cantilever bridges designed to handle road or rail traffic use trusses built from structural steel, or box girders built from prestressed concrete. (en) Un pont à poutres en porte-à-faux ou plus simplement pont cantilever (de l’anglais pour « porte-à-faux ») est un pont dont le tablier est constitué de poutres construites en porte-à-faux (ou, autrement dit, "en console" ou bien "par encorbellements successifs"), c'est-à-dire par des structures qui se projettent horizontalement dans l'espace, soutenues à une seule extrémité. Le pont en porte-à-faux en treillis d'acier a été une percée technique majeure. Il peut s'étendre sur des distances de plus de 500 m. Ce mode de construction a répondu à plusieurs contraintes pour construire un pont : (fr) Een brug volgens het principe van de gerberligger of in het Engels cantilever bridge is een brugtype waarbij gebruikgemaakt wordt van een eenzijdige ophanging. Een voorbeeld dat tegenwoordig toegepast wordt is de uitbouwbrug. (nl) En konsolbro är en brotyp med fribärande strukturer, som skjuter ut från fästpunkter förankrade i marken. Vanligen byggs de utskjutande delarna parvis, så att de balanserar varandra och kan stå för sig själva under byggtiden. En konsolbro kan utformas som en balkbro eller ha stöd av ett fribärande fackverk. Snedkabelbroar byggs på ett liknande sätt men är inte fribärande utan hålls på plats av stag spända över brobanan. De betraktas därför inte som konsolbroar. (sv)
rdfs:label Cantilever bridge (en) جسر كابولي (ar) Pont en mènsula (ca) Konzolový most (cs) Auslegerbrücke (de) Modilonponto (eo) Hegal-zubi (eu) Puente en ménsula (es) Pont à poutres en porte-à-faux (fr) Ponte a sbalzo (it) カンチレバー橋 (ja) Cantileverbrug (nl) Konsolbro (sv)
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