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@article{186211,
        author = {Aditya Gajanan Waghmode and Ayush Amasiddha Hanamane and Abhishek Mahesh Shikarkhane and Saeedanwar Salim Inamdar and Sayali Pralhad Mane},
        title = {3D-Printed Modular Drainage & Cushion Units},
        journal = {International Journal of Innovative Research in Technology},
        year = {2025},
        volume = {12},
        number = {6},
        pages = {1408-1411},
        issn = {2349-6002},
        url = {https://ijirt.org/article?manuscript=186211},
        abstract = {Expansive soils, such as black cotton soil, present major challenges in civil engineering due to their high swelling and shrinkage behavior with moisture variations. These volume changes lead to severe foundation distress, uneven settlement, and structural cracking. Traditional stabilization methods using lime, cement, or chemical admixtures improve soil strength but are often timeconsuming, environmentally harmful, and limited in long-term performance. To address this, the present study proposes an innovative 3D-Printed Modular Drainage and Cushion Unit (3DMDCU) system designed to control moisture variation and improve load distribution beneath shallow foundations.  
The proposed system consists of lightweight, interlocking modular units fabricated using 3D printing technology. The modules integrate dual functionality: (1) a drainage network for controlled water flow and prevention of moisture accumulation, and (2) a cushion layer that redistributes stresses to minimize differential settlement. Smart materials, such as polymer composites and geosynthetic blends, are explored to enhance durability, permeability, and mechanical flexibility. By customizing unit geometry through parametric design, 3D printing enables optimization of hydraulic conductivity and compressive strength according to site conditions. 
Experimental evaluation will involve laboratory-scale testing of soil–module interaction under varying moisture conditions, comparing settlement and swelling characteristics with conventional foundations. Numerical modeling using FEM (Finite Element Method) will also be conducted to analyze stress distribution and water flow through the printed modules. This study aims to demonstrate that 3D-printed modular drainage and cushion units can offer a sustainable, reusable, and adaptable alternative to conventional soil stabilization methods. The integration of additive manufacturing and smart drainage concepts can significantly reduce maintenance costs, improve long-term stability, and contribute to resilient infrastructure in expansive soil regions.},
        keywords = {},
        month = {November},
        }