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From Ruins to Resilience

Study:

MSc Architecture

Students:

Thor Møller Toussaint, Frederik Sejling Nielsen and Victor Rosenkilde Jørgensen

From Ruins to Resilience: Sustainable Design Approaches for Post-Conflict and Disaster-Damaged Concrete Housing

From Ruins to Resilience

Study:

MSc Architecture

Students:

Thor Møller Toussaint, Frederik Sejling Nielsen and Victor Rosenkilde Jørgensen

In an era of accelerating climate change, global population growth fuels rapid urban expansion, placing immense strain on natural resources. Here, the construction industry alone accounts for approximately 38% percent of global CO2 emissions, making it one of the largest contributors to climate change. A significant share of these emissions comes from concrete, which is the world’s second mostt consumed material after water. Each year, around 30 billion tonnes, or 14 billion cubic meters, of structural concrete are produced globally. This equates to building approximately 280,000 Sydney Opera Houses yearly. As a highly energy-intensive material, concrete carries significant embodied carbon in every structure built. 
 
In conflict and disaster-affected regions, many of these concrete structures are heavily damaged long before reaching their intended lifespan. Post-disaster demolition of these damaged buildings wastes both the remaining material and environmental potential as embodied emissions are never fully offset. This raises a pressing need to rethink how damaged buildings might be salvaged, particularly in vulnerable regions facing recurring destruction. 
 
This thesis explores these challenges through  the case of an old soviet-era residential block in north eastern Ukraine. Situated in the district of Saltivka in Kharkiv, Block 82 (Блок 82) was bombarded during the Battle of Kharkiv in 2022. Here, this project investigates how post-conflict concrete housing, often considered obsolete, can be systematically analyzed, reimagined and renovated. The final design transforms what remains, neither erasing the past nor idealizing it. Rubble from the ruins is reused as aggregate in new concrete and as urban furniture, while adaptable layouts as well as improved daylight and thermal strategies ensure an contemporary standard of living. The project demonstrates that, when approached holistically, salvaging damaged concrete housing can reduce emissions, conserve resources, and not least create a new form of architecture rooted in resilience, place and memory. 

Dansk

I en tid med accelererende klimaforandringer driver den globale befolkningstilvækst en hastig byudvidelse, hvilket lægger et enormt pres på naturens ressourcer. Byggebranchen alene står for cirka 38 % af de globale CO₂-udledninger og er dermed en af de største bidragydere til klimaforandringer. En betydelig andel af disse udledninger stammer fra beton, som er verdens næstmest anvendte materiale – kun overgået af vand. Hvert år produceres der globalt omkring 30 milliarder ton, svarende til 14 milliarder kubikmeter, konstruktionsbeton. Det svarer til at bygge cirka 280.000 Sydney Opera Huse om året. Som et yderst energikrævende materiale bærer beton en stor mængde indlejret CO₂ i hver eneste konstruktion, der opføres. 

I konflikt- og katastroferamte områder bliver mange af disse betonstrukturer alvorligt beskadiget længe før, de når deres forventede levetid. Nedrivning af beskadigede bygninger efter katastrofer medfører et stort spild af både materialer og miljømæssigt potentiale, da de indlejrede emissioner aldrig bliver opvejet. Dette skaber et presserende behov for at gentænke, hvordan skadede bygninger kan reddes – især i sårbare regioner, der er udsat for gentagen ødelæggelse. 

Denne afhandling undersøger disse udfordringer gennem et konkret eksempel: en boligblok fra sovjettiden i det nordøstlige Ukraine. Beliggende i bydelen Saltivka i Kharkiv, blev Blok 82 (Блок 82) bombet under Slaget om Kharkiv i 2022. Her undersøger projektet, hvordan betonelementbyggeri efter konflikt – ofte anset som udtjent – systematisk kan analyseres, gentænkes og renoveres. Det endelige design forvandler det, der står tilbage, uden at udslette fortiden eller idealisere den. Murbrokker fra ruinerne genanvendes som tilslag i ny beton og som byinventar, mens fleksible planløsninger, bedre dagslysforhold og termiske strategier sikrer en nutidig boligstandard. Projektet viser, at hvis man arbejder holistisk, kan man – ved at redde beskadigede betonbyggerier – reducere udledninger, bevare ressourcer og ikke mindst skabe en ny form for arkitektur, som er forankret i robusthed, sted og hukommelse.