In the 18th century Teheran was a garden city with four neighbourhoods with a small bazar surrounded by Tahmasbi wall. However, in 200 years the city has been expanded to a huge metropolis with 9 million population. The expansion and constructions concentrated on the boarders of the city were so radical and inept that the garden city (old city center) now have been left in a devastated situation facing with numerous ecological and urban issues. It seems that the ever-lasting true answer to the improvement of Tehran have always been expanding the borders and growth the physical mass to every direction out side the city. Moreover, the effects of wrong policies taken by regimes parallel to the industrialization and modernisation boom leads to the growth of continues highways which are halting the other local, urban and territorial continues infrastructures to perform in Tehran. As the result not only these highways are cutting the city in separate pieces, but they give the citizens the possible means to go further and further out side the city center. There have been some restoration projects of historic buildings in the old city center but why all these direct interventions have not been successful for the re-habitation of old city center? How the Historic city center will be pictured in the next generation of citizens in Tehran? The future of the past is the term to underline the importance of understanding and examining the existing situation (now) which is the result of the past and try to set a ground to address a future based on all the observations. The research starts with an insight on four main characteristics of the city in the terms of geography, morphological typology, society and history in order to find a possible scenario to redefine the historic center in Tehran. We consider the territorial and urban infrastructures with the high potentiality with the aim of connecting the city center to the east peripheral green landscape in Tehran, it gave us the opportunity to apply the Insertion of a green corridor by considering Baharestan district as the transitional stage between the old city and the newer city layers and then to Sorthehhesar peripherial landscape on the east of Tehran. In the next stage the aim of consolidating the inserted green corridor had been achieved by first, Marking the landmarks in Baharestan and defining four armatures as cultural, political, educational and ecological. Second, proposing an ecological green linkage system that connects the ecological armature in Baharestan district to the green corridor that had been determined in the territorial scale and finally expanding the natural park (Sorthehhesar) on the east border of the city. the architecture project peruses all the intension we had in the process of insertion and consolidation of the green corridor so the plan shaped with the directions emphasizing the entrances to the old bazar of Tehran to improve the porosity and continuity between the transitional stage (Baharestan and its landmarks) and old city center.
Nel XVIII secolo Teheran era una città giardino con quattro quartieri con un piccolo bazar circondato da mura di Tahmasbi. Tuttavia, in 200 anni la città è stata estesa a una grande metropoli con 9 milioni di abitanti. L'espansione e le costruzioni concentrate sui pensionanti della città erano così radicali e inetti che la città giardino (centro storico) ora è stata lasciata in una situazione devastante di fronte a numerose questioni ecologiche e urbane. Sembra che la vera e duratura risposta al miglioramento di Teheran abbia sempre ampliato i confini e incrementato la massa fisica in ogni direzione fuori dalla città. Inoltre, gli effetti di politiche sbagliate prese da regimi paralleli al boom di industrializzazione e modernizzazione portano alla crescita di autostrade continue che stanno bloccando le altre infrastrutture locali, urbane e territoriali che continuano a funzionare a Teheran. Come risultato, non solo queste autostrade stanno tagliando la città in pezzi separati, ma danno ai cittadini i mezzi possibili per andare sempre più lontano dal centro della città. Ci sono stati progetti di restauro di edifici storici nel centro storico della città, ma perché tutti questi interventi diretti non hanno avuto successo nella riqualificazione del centro storico? In che modo il centro storico sarà ritratto nella prossima generazione di cittadini a Teheran? Il futuro del passato è il termine per interlineare l'importanza di comprendere ed esaminare la situazione esistente (ora) che è il risultato del passato e cercare di stabilire un terreno per affrontare un futuro basato su tutte le osservazioni. La ricerca inizia con un'intuizione attraverso quattro caratteristiche principali della città in termini di geografia, tipologia morfologica, società e storia, al fine di trovare un possibile scenario per ridefinire il centro storico di Teheran. Consideriamo le infrastrutture territoriali e urbane con l'alta potenzialità di collegare il centro città alle aree verdi periferiche a est di Teheran, ci ha dato l'opportunità di applicare l'inserimento di un corridoio verde considerando il distretto di Baharestan come la fase di transizione tra la città vecchia e gli strati più recenti della città e poi nell'area Smokechaser Green a est di Teheran. Nella fase successiva l'obiettivo di consolidare il corridoio verde inserito era stato raggiunto prima, segnando i punti di riferimento a Baharestan e evidenziando quattro armature come culturali, politiche, educative ed ecologiche. In secondo luogo, la definizione di un sistema ecologico di collegamento verde che collega l'armatura ecologica nel distretto di Baharestan al corridoio verde che era stato determinato nella scala territoriale e infine espandendo il parco naturale (Smokechaser) sul confine est della città. il progetto di architettura pertiene tutte le intenzioni che abbiamo avuto nel processo di inserimento e consolidamento del corridoio verde, così il piano ha modellato le direzioni sottolineando gli ingressi al vecchio bazar di Teheran per migliorare la porosità e la continuità tra la fase di transizione (Baharestan e il suo punti di riferimento) e il centro storico.
The future of the past. Regeneration of historic centers through the insersion and consolidation of the ecological corridor. In the case of Baharestan district
MOLAEI, ARASH
2017/2018
Abstract
In the 18th century Teheran was a garden city with four neighbourhoods with a small bazar surrounded by Tahmasbi wall. However, in 200 years the city has been expanded to a huge metropolis with 9 million population. The expansion and constructions concentrated on the boarders of the city were so radical and inept that the garden city (old city center) now have been left in a devastated situation facing with numerous ecological and urban issues. It seems that the ever-lasting true answer to the improvement of Tehran have always been expanding the borders and growth the physical mass to every direction out side the city. Moreover, the effects of wrong policies taken by regimes parallel to the industrialization and modernisation boom leads to the growth of continues highways which are halting the other local, urban and territorial continues infrastructures to perform in Tehran. As the result not only these highways are cutting the city in separate pieces, but they give the citizens the possible means to go further and further out side the city center. There have been some restoration projects of historic buildings in the old city center but why all these direct interventions have not been successful for the re-habitation of old city center? How the Historic city center will be pictured in the next generation of citizens in Tehran? The future of the past is the term to underline the importance of understanding and examining the existing situation (now) which is the result of the past and try to set a ground to address a future based on all the observations. The research starts with an insight on four main characteristics of the city in the terms of geography, morphological typology, society and history in order to find a possible scenario to redefine the historic center in Tehran. We consider the territorial and urban infrastructures with the high potentiality with the aim of connecting the city center to the east peripheral green landscape in Tehran, it gave us the opportunity to apply the Insertion of a green corridor by considering Baharestan district as the transitional stage between the old city and the newer city layers and then to Sorthehhesar peripherial landscape on the east of Tehran. In the next stage the aim of consolidating the inserted green corridor had been achieved by first, Marking the landmarks in Baharestan and defining four armatures as cultural, political, educational and ecological. Second, proposing an ecological green linkage system that connects the ecological armature in Baharestan district to the green corridor that had been determined in the territorial scale and finally expanding the natural park (Sorthehhesar) on the east border of the city. the architecture project peruses all the intension we had in the process of insertion and consolidation of the green corridor so the plan shaped with the directions emphasizing the entrances to the old bazar of Tehran to improve the porosity and continuity between the transitional stage (Baharestan and its landmarks) and old city center.| File | Dimensione | Formato | |
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https://hdl.handle.net/10589/145447