{"id":31,"date":"2025-08-18T09:06:58","date_gmt":"2025-08-18T08:06:58","guid":{"rendered":"https:\/\/research-sites.cardiff.ac.uk\/earthchem\/?page_id=31"},"modified":"2026-06-19T13:25:22","modified_gmt":"2026-06-19T12:25:22","slug":"research","status":"publish","type":"page","link":"https:\/\/research-sites.cardiff.ac.uk\/earthcem\/research\/","title":{"rendered":"Research Framework"},"content":{"rendered":"

Developing Durable and Sustainable LC3 Systems<\/h2>\n

EARTHCEM investigates how locally available UK clay resources can be utilised to develop high-performance Limestone Calcined Clay Cement (LC3) systems for sustainable construction.<\/p>\n

The project seeks to establish scientific links between clay mineralogy, reactivity, hydration, microstructure, durability, and long-term performance. Through a combination of experimental investigation and sustainability assessment, EARTHCEM aims to support the wider adoption of low-carbon cement technologies.<\/p>\n

\"\"<\/figure>\n

Figure 1. EARTHCEM Research Framework illustrating the nine-stage pathway from UK clay resources to low-carbon cement guidelines.<\/em><\/p>\n

\n

Research Vision<\/h2>\n

The central research hypothesis of EARTHCEM is that the mineralogical characteristics of clay resources strongly influence the performance and durability of LC3 systems.<\/p>\n

The project investigates the complete pathway from raw materials to long-term infrastructure performance:<\/p>\n

The EARTHCEM Research Framework investigates the complete pathway from UK clay resources to durable and sustainable LC3 systems, linking raw material characteristics with long-term infrastructure performance.<\/p>\n

Understanding these relationships will help develop scientific guidelines for designing durable and low-carbon cement systems using locally available resources.<\/p>\n

\n

Research Objectives<\/h2>\n

EARTHCEM has six key objectives:<\/p>\n

    \n
  1. Characterise representative UK clay resources suitable for LC3 production.<\/li>\n
  2. Investigate the influence of clay mineralogy on thermal activation and reactivity.<\/li>\n
  3. Understand hydration mechanisms and microstructural development in LC3 systems.<\/li>\n
  4. Evaluate fresh and hardened performance of LC3-based materials.<\/li>\n
  5. Assess durability under aggressive environmental exposure conditions.<\/li>\n
  6. Develop service-life and sustainability assessment frameworks for LC3 applications.<\/li>\n<\/ol>\n
    \n

    WP1 \u2013 Clay Resources and Reactivity<\/h2>\n

    This work package focuses on identifying and characterising UK clay resources suitable for LC3 production.<\/p>\n

    Activities include:<\/p>\n

      \n
    • Mineralogical characterisation of clay deposits.<\/li>\n
    • Thermal activation and calcination studies.<\/li>\n
    • Assessment of reactive alumina availability.<\/li>\n
    • Evaluation of dissolution and reactivity behaviour.<\/li>\n<\/ul>\n

      The outcomes will provide a scientific understanding of how clay composition influences LC3 performance.<\/p>\n

      \n

      WP2 \u2013 Performance and Microstructure<\/h2>\n

      This work package investigates the engineering performance of LC3 systems.<\/p>\n

      Activities include:<\/p>\n

        \n
      • Mix design optimisation.<\/li>\n
      • Hydration studies.<\/li>\n
      • Mechanical performance assessment.<\/li>\n
      • Microstructural characterisation.<\/li>\n
      • Transport property evaluation.<\/li>\n<\/ul>\n

        The aim is to understand how clay characteristics influence the development of durable cementitious materials.<\/p>\n

        \n

        WP3 \u2013 Durability and Sustainability<\/h2>\n

        This work package evaluates the long-term performance and environmental benefits of LC3 systems.<\/p>\n

        Activities include:<\/p>\n

          \n
        • Chloride ingress assessment.<\/li>\n
        • Carbonation resistance evaluation.<\/li>\n
        • Service-life prediction.<\/li>\n
        • Life Cycle Assessment (LCA).<\/li>\n
        • Sustainability assessment.<\/li>\n<\/ul>\n

          The outcomes will support the development of low-carbon cement systems capable of delivering long service lives in demanding environments.<\/p>\n

          \n

          Research Methods<\/h2>\n

          EARTHCEM employs a range of advanced material characterisation and testing techniques, including:<\/p>\n

          Advanced Material Characterisation<\/h4>\n

          EARTHCEM uses a range of advanced analytical techniques to investigate the composition, reactivity, and microstructure of clay resources and LC3 systems. These methods help understand how material properties influence cement performance and long-term durability.<\/p>\n

          Performance and Durability Testing<\/h4>\n

          Laboratory testing is used to evaluate strength development, transport properties, and resistance to environmental exposure conditions relevant to infrastructure applications.<\/p>\n

          Sustainability Assessment<\/h4>\n

          Environmental performance is assessed through service-life modelling and life-cycle assessment approaches to evaluate the potential benefits of LC3 technologies.<\/p>\n

          \n

          Expected Research Outcomes<\/h2>\n

          EARTHCEM will generate new scientific knowledge on the utilisation of UK clay resources in LC3 systems and provide evidence to support the development of durable, low-carbon cement technologies.<\/p>\n

          The project aims to contribute to reducing the environmental impact of cement production while supporting the transition towards a more sustainable built environment.<\/p>\n

          The knowledge generated through EARTHCEM will support the wider implementation of LC3 technologies and contribute to the transition towards a low-carbon and resource-efficient construction sector.<\/p>\n","protected":false},"excerpt":{"rendered":"Developing Durable and Sustainable LC3 Systems EARTHCEM investigates how locally available UK clay resources can be utilised to develop high-performance Limestone Calcined Clay Cement (LC3) systems for sustainable construction. The […]","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"class_list":["post-31","page","type-page","status-publish","hentry"],"meta_box":[],"_links":{"self":[{"href":"https:\/\/research-sites.cardiff.ac.uk\/earthcem\/wp-json\/wp\/v2\/pages\/31","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/research-sites.cardiff.ac.uk\/earthcem\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/research-sites.cardiff.ac.uk\/earthcem\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/research-sites.cardiff.ac.uk\/earthcem\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/research-sites.cardiff.ac.uk\/earthcem\/wp-json\/wp\/v2\/comments?post=31"}],"version-history":[{"count":11,"href":"https:\/\/research-sites.cardiff.ac.uk\/earthcem\/wp-json\/wp\/v2\/pages\/31\/revisions"}],"predecessor-version":[{"id":199,"href":"https:\/\/research-sites.cardiff.ac.uk\/earthcem\/wp-json\/wp\/v2\/pages\/31\/revisions\/199"}],"wp:attachment":[{"href":"https:\/\/research-sites.cardiff.ac.uk\/earthcem\/wp-json\/wp\/v2\/media?parent=31"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/research-sites.cardiff.ac.uk\/earthcem\/wp-json\/wp\/v2\/categories?post=31"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}