{"id":20040,"date":"2025-02-01T10:17:44","date_gmt":"2025-02-01T10:17:44","guid":{"rendered":"http:\/\/141.23.68.248\/wp\/?page_id=20040"},"modified":"2025-02-10T12:30:03","modified_gmt":"2025-02-10T12:30:03","slug":"4-life-cycle-analysis-2","status":"publish","type":"page","link":"http:\/\/141.23.68.248\/wp\/?page_id=20040","title":{"rendered":"4. Life Cycle Inventory and Analysis of Integrated Civil Systems"},"content":{"rendered":"

Goal and Scope Definition<\/strong><\/h4>\n

The focus of the\u00a0Life Cycle Inventory (LCI) and Analysis\u00a0of the integrated\u00a0one-story and multi-story residential buildings in this study is on the environmental and economic impacts of the systems throughout their life cycle. This analysis aims to quantify\u00a0resource consumption, emissions, and energy usage\u00a0associated with the construction, operation, maintenance, and repair activities of the integrated system. By understanding these factors, we\u00a0aim to\u00a0develop optimized maintenance strategies that minimize environmental impact while ensuring long-term serviceability.<\/p>\n

The\u00a0scope\u00a0of this study includes the entire\u00a0life cycle of the integrated building system, from raw material extraction to maintenance and repair activities. As depicted in\u00a0Figure 1, the system boundary encompasses multiple stages:<\/p>\n

    \n
  1. Raw Material Extraction and Processing:\u00a0The production of concrete, steel, and reinforcement materials used in construction.<\/li>\n
  2. Fabrication and Construction:\u00a0The transformation of raw materials into building components and the assembly of structures within an urban complex.<\/li>\n
  3. Maintenance and repairs:\u00a0The use and maintenance of the one-story and multi-story buildings, including periodic repairs and system upgrades.<\/li>\n
  4. Emissions and Energy Consumption:\u00a0Environmental impacts such as\u00a0CO\u2082, NO\u2093, and SO\u2082\u00a0emissions, along with overall energy usage throughout the building life cycle.<\/li>\n
  5. Economic Costs:\u00a0The financial implications of material production, energy consumption, and maintenance interventions.<\/li>\n<\/ol>\n

    for our integrated system we\u00a0follow a\u00a0cradle-to-operation\u00a0approach, meaning it includes all processes\u00a0from raw material extraction to long-term maintenance\u00a0but does not consider demolition and disposal.<\/p>\n

    \"influential-factors-on-cash-flow-7\"<\/a><\/p>\n

    Figure\u00a01.<\/p>\n

    \u00a0Life-Cycle Inventory of Materials<\/strong><\/p>\n

    The table 1 categorizes materials based on their scope in construction, including RC (Reinforced Concrete for the first system), PRC+RC (Precast & Reinforced Concrete), RCO (Reinforced Concrete for the second system), Steel Joist, RC Joist, and Block type. Each entry provides the following information:<\/p>\n