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Concretes and mortars recycled with water treatment sludge and construction and demolition rubble

Sales, Almir; SOUZA, Francis Rodrigues de
Fonte: ELSEVIER SCI LTD Publicador: ELSEVIER SCI LTD
Tipo: Artigo de Revista Científica
ENG
Relevância na Pesquisa
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There are about 7500 water treatment plants in Brazil. The wastes these plants generate in their decantation tanks and filters are discharged directly into the same brooks and rivers that supply water for treatment. Another serious environmental problem is the unregulated disposal of construction and demolition rubble, which increases the expenditure of public resources by degrading the urban environment and contributing to aggravate flooding and the proliferation of vectors harmful to public health. In this study, an evaluation was made of the possibility of recycling water treatment sludge in construction and demolition waste recycling plants. The axial compressive strength and water absorption of concretes and mortars produced with the exclusive and joint addition of these two types of waste was also determined. The ecoefficiency of this recycling was evaluated by determining the concentration of aluminum in the leached extract resulting from the solubilization of the recycled products. The production of concretes and mortars with the joint addition of water treatment sludge and recycled concrete rubble aggregates proved to be a viable recycling alternative from the standpoint of axial compression strength, modulus of elasticity...

Performance evaluation of dual-flush WC cistern in a multifamily building in Brazil

OLIVEIRA, L. H.; GONCALVES, O. M.; UCHIDA, C.
Fonte: SAGE PUBLICATIONS LTD Publicador: SAGE PUBLICATIONS LTD
Tipo: Artigo de Revista Científica
ENG
Relevância na Pesquisa
576.72344%
The performance assessment as to water consumption in WC cisterns has contributed to the development of flushing system technologies, which allow smaller flushing volumes. The purpose of this work is to assess the performance of the the low water consumption requirement of WC cisterns with dual flushing system (6/3L), when compared to 6L flushing volume WC cisterns in multifamily buildings. The research methodology consisted of a case study in a multifamily residential building with submetering system, by monitoring the total water consumption and the two flushing systems using water meters installed in WC cisterns. By means of a mathematical model, a comparison of the design flowrate in the main branch was carried out considering the two types of WC cisterns. The results indicated that the water consumption in the 6L WC cistern was 20% in relation to the total domestic consumption, whereas the water consumption observed in the dual-flush WC cistern (6/3L) was 16%. The dual flushing system (6/3L) presented about 18% consumption reduction impact as compared to the 6 L system. The design flowrate values in the main branch, obtained by the mathematical model, were 0.35 L/s for systems with 6 L WC cistern and 0.34 L/s with dual-flush WC cistern (6/3 L)...

Comparison between detailed model simulation and artificial neural network for forecasting building energy consumption

HERNANDEZ NETO, Alberto; FIORELLI, Flavio Augusto Sanzovo
Fonte: ELSEVIER SCIENCE SA Publicador: ELSEVIER SCIENCE SA
Tipo: Artigo de Revista Científica
ENG
Relevância na Pesquisa
585.40445%
There are several ways to attempt to model a building and its heat gains from external sources as well as internal ones in order to evaluate a proper operation, audit retrofit actions, and forecast energy consumption. Different techniques, varying from simple regression to models that are based on physical principles, can be used for simulation. A frequent hypothesis for all these models is that the input variables should be based on realistic data when they are available, otherwise the evaluation of energy consumption might be highly under or over estimated. In this paper, a comparison is made between a simple model based on artificial neural network (ANN) and a model that is based on physical principles (EnergyPlus) as an auditing and predicting tool in order to forecast building energy consumption. The Administration Building of the University of Sao Paulo is used as a case study. The building energy consumption profiles are collected as well as the campus meteorological data. Results show that both models are suitable for energy consumption forecast. Additionally, a parametric analysis is carried out for the considered building on EnergyPlus in order to evaluate the influence of several parameters such as the building profile occupation and weather data on such forecasting. (C) 2008 Elsevier B.V. All rights reserved.

On the classification of mixed construction and demolition waste aggregate by porosity and its impact on the mechanical performance of concrete

Angulo, Sérgio Cirelli; Carrijo, Priscila Meireles; Figueiredo, Antonio Domingues de; Chaves, Arthur Pinto; John, Vanderley Moacyr
Fonte: SPRINGER Publicador: SPRINGER
Tipo: Artigo de Revista Científica
ENG
Relevância na Pesquisa
577.74953%
The properties of recycled aggregate produced from mixed (masonry and concrete) construction and demolition (C&D) waste are highly variable, and this restricts the use of such aggregate in structural concrete production. The development of classification techniques capable of reducing this variability is instrumental for quality control purposes and the production of high quality C&D aggregate. This paper investigates how the classification of C&D mixed coarse aggregate according to porosity influences the mechanical performance of concrete. Concretes using a variety of C&D aggregate porosity classes and different water/cement ratios were produced and the mechanical properties measured. For concretes produced with constant volume fractions of water, cement, natural sand and coarse aggregate from recycled mixed C&D waste, the compressive strength and Young modulus are direct exponential functions of the aggregate porosity. Sink and float technique is a simple laboratory density separation tool that facilitates the separation of cement particles with lower porosity, a difficult task when done only by visual sorting. For this experiment, separation using a 2.2 kg/dmA(3) suspension produced recycled aggregate (porosity less than 17%) which yielded good performance in concrete production. Industrial gravity separators may lead to the production of high quality recycled aggregate from mixed C&D waste for structural concrete applications.; FINEP (Fundo Verde e Amarelo/Habitare); SINDUSCON-SP; FAPESP; CNPq; CAPES

Laboratory evaluation of recycled construction and demolition waste for pavements

Leite, Fabiana da Conceição; Motta, Rosângela dos Santos; Vasconcelos, Kamilla Lima; Bernucci, Liedi Legi Bariani
Fonte: ELSEVIER SCI LTD Publicador: ELSEVIER SCI LTD
Tipo: Artigo de Revista Científica
ENG
Relevância na Pesquisa
579.45773%
The wide production of construction and demolition waste and its illegal deposition are serious current problems in Brazil. This research proposes to evaluate the feasibility of using aggregate from recycled construction and demolition waste (RCDW) in pavement applications. A laboratory program was conducted by geotechnical characterization, bearing capacity and repeated load triaxial tests. The results show that the composition and the compactive effort influence on the physical characteristics of the RCDW aggregate. The compaction process has promoted a partial crushing and breakage of RCDW particles, changing the grain-size distribution and increasing the percentage of cubic grains. This physical change contributes to a better densification of the RCDW aggregate and consequently an improvement in bearing capacity, resilient modulus and resistance to permanent deformation. The results have shown that the RCDW aggregate may be utilized as coarse base and sub-base layer for low-volume roads. (C) 2010 Elsevier Ltd. All rights reserved.; FAPESP (Fundacao de Amparo a Pesquisa do Estado de Sao Paulo); CNPq (Conselho Nacional de Desenvolvimento Cientifico e Tecnologico)

Legado da tecnologia construtiva de imigrantes italianos ao patrimônio arquitetônico de Pelotas; Legacy of building technology’ italians immigrants to Pelotas’ architectural patrimony

Peres, Rosilena Martins
Fonte: Universidade Federal do Rio Grande do Sul Publicador: Universidade Federal do Rio Grande do Sul
Tipo: Tese de Doutorado Formato: application/pdf
POR
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593.7114%
Este trabalho apresenta a investigação das técnicas construtivas empregadas nas obras de construtores italianos ou seus descendentes no final do século XIX e início do século XX em Pelotas – cidade da zona sul do Brasil. O crescimento da economia industrial propiciado pela produção do charque e o conseqüente desenvolvimento urbano do município neste período da sua história impulsionaram o movimento migratório de profissionais europeus tanto da área técnica como artística. Entre muitos imigrantes, trabalharam arquitetos, escultores, construtores e artífices provenientes da Itália na construção dos principais prédios da cidade, fossem eles públicos ou privados, cujos procedimentos construtivos não se encontram em documentos ou registros bibliográficos. Sabendo-se que o desenvolvimento econômico e social de uma comunidade não dispensa a valorização de sua história, cujo patrimônio arquitetônico se inclui, e depois de transcorrido mais de um século do início da execução destas obras, é inegável a necessidade de conservação, manutenção ou restauração destas construções. Os resultados da investigação, bem como as descrições e comparações com a tecnologia construtiva difundida neste período no país origem dos profissionais...

Sustainability and functional assessment of a mixed building technology solution

Bragança, L.; Almeida, Manuela Guedes de
Fonte: Int. Assoc. for Housing Science Publicador: Int. Assoc. for Housing Science
Tipo: Artigo de Revista Científica
Publicado em //2004 ENG
Relevância na Pesquisa
587.04754%
Most of the new construction solutions arise from the feeling that something should be done in order to answer current society concerns: reduction of energy consumption, minimization of pollution, etc. The aim of this paper is to evaluate the potentialities of a MBT – “Mixed Building Technology” solution. This solution was evaluated under the thermal, acoustic and natural lightning performance, and economical/environmental analysis.

Case study : comparison between the acoustic performance of a mixed building technology building and a conventional building

Bragança, L.; Patrício, Jorge
Fonte: Multi-Science Publishing Co Lda Publicador: Multi-Science Publishing Co Lda
Tipo: Artigo de Revista Científica
Publicado em //2004 ENG
Relevância na Pesquisa
703.4057%
The objective of this work is to compare the acoustical performance of MBT (Mixed Building Technology) constructions and conventional buildings. The sound insulation performance of a MBT construction was assessed by tests done in situ. The results were compared with similar data from earlier measurements undertaken by the Building Physics Laboratory of the University of Minho in Portugal, and from simplified prediction methods. The building where this comparison was done is a 3-storey building. The first 2 storeys were refurbished using conventional construction methods, but the 3rd storey was built using MBT methods, characterised by using lightweight materials, with high thermal insulation, and large fenestration areas. Based on the work undertaken, some conclusions and proposals for further work are presented.

Phase changing materials in building elements

Ermolli, Sergio Russo; Koukkari, Heli; Bragança, L.
Fonte: University of Malta Publicador: University of Malta
Tipo: Conferência ou Objeto de Conferência
Publicado em //2011 ENG
Relevância na Pesquisa
590.69535%
New technologies in building construction and services are needed in order to reduce the big energy consumption in the building stock from which a major part goes for controlling of indoor climate. On the other hand, performance requirements are growing higher because of both more severe regulations and higher comfort requirements by the users – the wide use of air conditioning systems, also in houses, is just an example of this trend. Integration during the design phase among Architecture, Building Technology and Services is thus much recommended to obtain a more sophisticated “living-environment”, using relatively simple strategies and avoiding extra-costs. It is possible to tackle the problem of energy consumption with stratified lightweight skins and layers, high performance materials and integration of installations, like heat pumps for example or wind turbines, and enhancing the use of renewable energy sources by using devices like solar photovoltaic panels or solar thermal exchanger or simply by preferring natural ventilation and natural shading or re-interpreting low processing materials and using them in a clever way.; COST; European Science Foundation

Strategies for mitigating adverse environmental impacts due to structural building materials

Chaturvedi, Swati, 1976-
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 93 leaves; 5486898 bytes; 5486705 bytes; application/pdf; application/pdf
ENG
Relevância na Pesquisa
587.78508%
This thesis assesses the problem of adverse environmental impacts due to the use of Portland cement and structural steel in the construction industry. The thesis outlines three technology and policy strategies to mitigate these impacts: 1. Reduce consumption; 2. Select materials to minimize impacts; and 3. Explore alternative new materials that have lesser impacts. The main findings and recommendations in each of these areas are as follows: Reduce Consumption: While absolute consumption of materials will grow with a growing population, recycling and reuse of structural members can reduce use of virgin material. Since recycling is already widely practiced, reuse of structural members is the primary means of further reducing consumption. Barriers to reuse can be eliminated by establishing design standards and regulations for reuse of structural sections, and creating functioning markets for re-useable sections. Select materials to minimize impacts: While designers are keen to select materials with minimum impacts, they do not have appropriate education or tools for the purpose. Standardization and simplification of Life Cycle Assessment (LCA) tools, and education of designers are identified as the main areas for improvement. The main recommendations are: i) standardize LCA tools; reduce the number of impact categories...

Projects, management, and protean times : engineering enterprise in the United States, 1870-1960; Engineering enterprise in the United States, 1870-1960

Pinney, Benjamin W
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 338 p.; 37570178 bytes; 37569936 bytes; application/pdf; application/pdf
ENG
Relevância na Pesquisa
495.74125%
In this dissertation, I trace methods for organizing skilled workers engaged in creative, limited-term projects in the United States between the nineteenth century and the 1950s. Examining eras of system building in technical fields-civil engineering in the nineteenth century, laboratory administration in the 1910s and 1920s, aircraft design in the 1930s, and electronics in the 1950s-I show that recent discourse on the management of innovation and change is a manifestation of a cyclically recurring conversation. This story complicates prevalent views of management theory and practice before World War II by recovering a thread obscured by emphasis on the organization of integrated, divisional companies and operative labor within them. Applying ideas from recent work in organization studies to distill common aspects of the management problems and labor processes individuals have confronted and theorized, I find common patterns: managers of construction firms, engineering departments, and research laboratories have again and again theorized the fast-moving, knowledge-intensive, relational organization, doing so long before these terms were available. Such thinking has been driven both by practical needs and because external pressures have forced explanation of seemingly uncontrolled...

Building skills : a construction trades training facility for the eastern Canadian Arctic; Construction trades training facility for the eastern Canadian Arctic

Roszler, Sarah Katherine, 1977-
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 204 leaves; 10913711 bytes; 10940894 bytes; application/pdf; application/pdf
ENG
Relevância na Pesquisa
501.39383%
On April 1, 1999, the Inuit of the Eastern Canadian Arctic achieved sovereignty over a new territory, Nunavut, envisioning economic self-reliance, political self-determination, and renewal of confidence in Inuit community. Life in Nunavut, however, remains circumscribed by adversities: poverty, crowded houses, and long winters. Both government and industry are constrained by inexperienced administration and insufficient budgets. Perhaps no sector is as challenged as the construction industry, caught between the vast demand of a housing crisis and the extreme cost of importing labor. The territory must invest in building skills to reduce the cost of housing. Trades training in the Eastern Arctic will have political, cultural, and economic significance for a community long dependent on remote governments and migrant workers. Moreover, local tradesmen will be indispensable to an affordable construction strategy for community buildings serving a population expanding at twice the national rate. Over the course of fifty years of permanent settlement in Nunavut, no construction system has yet been devised for civic spaces that respond to its social, physical, and logistical conditions.; by Sarah Katherine Roszler.; Thesis (M.C.P.)--Massachusetts Institute of Technology...

Structure finance for hybrid infrastructure models : the application of project finance into public-private partnerships for the construction and operation of infrastructure

Patramanis, Theodoros
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 106 p.; 5281742 bytes; 5286124 bytes; application/pdf; application/pdf
ENG
Relevância na Pesquisa
593.5563%
This thesis studies the application of project finance as the most efficient financing method for the construction and operation of infrastructure projects such as motorways, airports, power plants, pipelines, wastewater/sewage plants, dams, landline or cellular networks, and natural resources mines. These are large-scale, complex, and capital-intensive engineering systems, which until recently, were developed and operated either by the public or the private sector. The latest model for the construction and operation of an infrastructure project is Public-Private Partnerships ("PPP"), a hybrid structure that is becoming widespread. PPP employ private companies to construct and then operate infrastructure assets, which historically have been financed with public resources and operated on a not-for-profit basis. Through PPP agreements such as concessions, governments shift construction and operating risks to the private sector, which is usually more efficient in building and then running the assets. Project finance is a large and rapidly growing subfield of finance, yet one where academic theory and research distantly lag current practice. Project finance relies on private capital sources for financing the PPP infrastructure project...

Comparison of environmental impacts of steel and concrete as building materials using the Life Cycle Assessment method

Johnson, Timothy Werner
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 155 p.; 8760970 bytes; 8767492 bytes; application/pdf; application/pdf
ENG
Relevância na Pesquisa
510.6399%
In the United States, the construction industry accounts for almost 75% of total raw material used. This is an obvious drain on natural resources and has a major impact on the surrounding environment. Construction materials are also responsible for a relatively large portion of the global CO2 emissions. The commercial construction industry is dominated by the use of steel and in-situ concrete as building materials. It is intuitive then, to state that these two materials and their respective production flows have a significant impact on the environment, simply because of the amount of material being produced and consumed in the building industry today. In addition, due to drastic increases in energy prices and potential shortages in the future, the amount of energy consumed in the production of construction materials (embodied energy) and the amount of energy used over a projected life span (operational energy) are becoming increasingly more important to builders, designers, and owners of buildings. The growing trend in the United States, and elsewhere in the world, is towards eco-friendly design. In the last several years, the concrete and steel industries have spent significant resources to promote their material as the optimum solution for sustainable building design.; (cont.) Because natural resource consumption...

The design and construction of interactive architectural environments : the digital mile, Zaragoza, Spain; Digital mile, Zaragoza, Spain

Chai, Shutsu K. (Shutsu Kindness)
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 117 p.
ENG
Relevância na Pesquisa
502.00457%
As a part of a master plan for the Digital Mile, a park in Zaragoza, Spain, this thesis will undertake the mechanical design and construction of a responsive and rearrangeable system of walls and doors for increasing the flexibility of the "edge" between open space and a new museum building. In order to study this question, this thesis builds on a previous planning thesis and the prescribed architectural forms as a basis for investigation of potential construction materials and joint technologies. Through this study, a design will emerge for this unique system that allows space to expand and contract and the building edge to become porous or sealed, responding to the demands for different activities and situations. Construction materials and mechanisms will be studied based on the functional requirements of the system. These investigations will lead to recommendations for mechanical means to achieve the prescribed architectural and performance specifications. It is anticipated that this new building-edge will support a wider variety of activities and in this way enhance the livability and usability of public space. Beyond the physical design, this thesis will also demonstrate the ability of interdisciplinary work to enrich the design process.; by Shutsu K. Chai.; Thesis (S.B.)--Massachusetts Institute of Technology...

Anthills built to order : automating construction with artificial swarms

Werfel, Justin (Justin Keith), 1977-
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 116 leaves
ENG
Relevância na Pesquisa
504.84258%
Social insects build large, complex structures, which emerge through the collective actions of many simple agents acting with no centralized control or preplanning. These natural systems motivate investigating the use of artificial swarms to automate construction or fabrication. The goal is to be able to take an unspecified number of simple robots and a supply of building material, give the system a high-level specification for any arbitrary structure desired, and have a guarantee that it will produce that structure without further intervention. In this thesis I describe such a distributed system for automating construction, in which autonomous mobile robots collectively build user-specified structures from square building blocks. The approach preserves many desirable features of the natural systems, such as considerable parallelism and robustness to factors like robot loss and variable order or timing of actions. Further, unlike insect colonies, it can build particular desired structures according to a high-level design provided by the user. Robots in this system act without explicit communication or cooperation, instead using the partially completed structure to coordinate their actions.; (cont.) This mechanism is analogous to that of stigmergy used by social insects...

Building Information Modeling : value for real estate developers and owners; BIM : value for real estate developers and owners

Clason, John C. (John Charles)
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 56 p.
ENG
Relevância na Pesquisa
498.22324%
The Architecture, Engineering, and Construction industry severely lags behind the manufacturing industry in terms of efficiency and productivity growth. This lag is a result of the fragmented nature of the industry and its resistance to adopting innovative technologies and processes that enable collaboration and efficiency. Building Information Modeling (BIM) is one of these innovations. Since building owners ultimately absorb every cost associated with a building project, they are in the best position to lead the AEC industry into an era of increased productivity through the adoption of collaborative practices and technologies such as BIM. However, owners cannot be expected to venture down this path unless they are aware of the potential value that the proper use of BIM can create for them. Therefore, this paper provides evidence of the value created for owners and developers by the use of BIM, and conveys that evidence in a framework that follows the actual phases and tasks of a real development project. Those phases are as follows: Market Research, Feasibility Analysis, Design, Construction, and Operations. In addition to actual examples of value creation, theoretical examples of future applications are discussed. The value created for owners and developers by implementing BIM on their projects is manifested primarily in the form of improved design quality and savings in time and money.; by John C. Clason.; Thesis (S.M. in Real Estate Development)--Massachusetts Institute of Technology...

Construction design as a process for flow : applying lean principles to construction design

Soto, Leticia, S.M. Massachusetts Institute of Technology
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 111 p.
ENG
Relevância na Pesquisa
501.26754%
Delays and cost overruns are the rule rather than the exception in the construction industry. Design changes due to lack of constructability late in the construction phase generating costly ripple effect which create delay and disruption throughout the entire organization, are the largest contributors to the stated rule. In the building construction industry, of increased competitiveness, demand from many companies continued effort to develop new methods and tools, in which the design for quality, cost, construability and reliability play an important role. The planning and management of building design has historically focused upon traditional methods of planning such as Critical Path Method (CPM). Little effort is made to understand the complexities of the design process; instead design managers focus on allocating work packages where the planned output is a set of deliverables. This current design method forces design teams to manage their work on a discipline basis, each working on achieving their deliverable as dictated by the design program with little regard of the relationship with other disciplines and organizations. In addition, because Architect and Engineering firms view design and construction as two separate independent phases of work in project it makes it difficult to verify constructability in a design and create flow in the overall process. The goal of this study is to look at how aligning interests...

O processo de construção social da tecnologia : o caso do projeto habitacional Jardim dos Lirios; The Process of Social Construction of Technology : the case of the Habitacional project of Jardim dos Lirios

Rebeca Buzzo Fertrin
Fonte: Biblioteca Digital da Unicamp Publicador: Biblioteca Digital da Unicamp
Tipo: Dissertação de Mestrado Formato: application/pdf
Publicado em 11/03/2008 PT
Relevância na Pesquisa
590.8813%
Os programas habitacionais brasileiros, embora apresentem facilidades às famílias de baixa renda, tendem a excluir os futuros moradores da participação nas decisões sobre sua própria casa. O projeto da casa popular ou "habitação social" apresenta uma arquitetura padrão e fechada que não leva em consideração as necessidades individuais das famílias moradoras, gerando frustrações com relação ao produto final. Os futuros moradores, excluídos da fase de elaboração do desenho de suas casas, acabam encarando uma segunda luta pela moradia adequada: a adaptação da casa padrão de forma a transformá-la em uma moradia que realmente atenda às necessidades de sua família. No entanto, o processo de transformação das casas populares passa a ser uma batalha individual para essas famílias, sem o apoio do Estado. O presente trabalho analisa o processo de planejamento, negociação, construção e transformação de casas populares em um Projeto Habitacional brasileiro, destacando a participação das famílias mutirantes - futuros moradores - nesses processos. Utiliza-se o referencial teórico do Construtivismo Social da Tecnologia, com destaque para as relações entre gêneros. Desta forma, alguns aspectos foram observados...

Opportunities for building design and construction resulting from local resources

Weathers, Thomas A. (Thomas Anthony)
Fonte: Massachusetts Institute of Technology Publicador: Massachusetts Institute of Technology
Tipo: Tese de Doutorado Formato: 51 p.
ENG
Relevância na Pesquisa
498.22324%
Current and future generations of architects must learn to operate effectively in an era of unprecedented resource constraints if they want to achieve their design intentions. This thesis addresses the architect's role in resource consumption. Specifically, it explores the potential for design and construction constrained to local resources. This research encompasses the following questions:What are the material resources local to MIT? What are the architectural and logistical limitations of using those resources in buildings? How might this research shape a building at MIT? By auditing local resources and industries, this thesis highlights unique opportunities for an architect to mobilize sustainable materials for MIT's growth. The subsequent design exercise transforms this knowledge into building strategies responsive to material and energy constraints. This new building serves to increase the density of MIT's east campus, developing underutilized lots on the edge of a future quad and rehabilitating a condemned structure. A framework of fixed and fluid components allows for sustainable adaptation, creating a flexible environment sought by emerging interdisciplinary groups.; by Thomas A. Weathers.; Thesis (M. Arch.)--Massachusetts Institute of Technology...