Ultra-High-Performance Concrete (UHPC): A microstructural and particle packing investigation Jebakumar Jensika Rani, Thanka Jebarsan, Ramamurthy Dinesh Kumar, Narayanasamy Navaprakash Revista Materia, 2024 This study examines into optimizing the composition of dispersed cement systems to reduce inter-particle voids, thereby enhancing solidity and density. The investigated concrete mixtures contain micro silica, granular blast furnace slag that has been finely dispersed, superplasticizer Glenium 430, high-valence hardening accelerator, and two fine aggregate fractions: 10–15 mm granite crushed stone and Portland cement grade 53. Laser analysis was used to analyze the size and shape of the particles, and the structure of the cement block was investigated using X-ray phase analysis, thermographic analysis, and scanning microscopy. The optimized concrete’s compressive strength was evaluated at five and twenty-eight days; the results showed values of 52–74 MPa and 128–163 MPa, respectively, at cement utilization levels of 650–750 kg/m3. It was shown that the use of a bimodal clinker component and granulated blast-furnace slag blend was effective. Furthermore, there is empirical data suggesting confirms the optimal amounts of nanoscale additions, such as micro silica, required to get the most favorable outcomes.
A Constructive Analysis on Topology Optimization of Structural Beam Element Using Different Support Condition J. Jensika Rani Materials Research Proceedings, 2022 Topology Optimization (TO) is the method used for maximizing the performance of the system by optimizing material arrangement inside an appropriate topology design operation, for an appropriate set of loads, boundary restraints, and constraints. This helps in the reduction of the materials which in turn reduces the cost of materials. In the current scenario, the price of the ingredients of the traditional concrete is very high. The implementation of TO gives a good impact on the economy of construction, as the materials are optimally placed in the plane of load distribution as per various loading condition. The Evolutionary Structural optimization (ESO) is used for topology optimization. The main merits of implementing topology optimization are that the cost, as well as the weight of the structural member, becomes more effective. Customarily MATLAB software is used for analysis and designing the member. This method will highly useful for the society and the environment.
Nano Silica Particles as A Structural Build Up Agent for 3D Printing Cement Paste with Additional Accelerators V. Sabu Sam Materials Research Proceedings, 2022 3D printing also commonly known Additive manufacturing (AM) is the layering of materials by a computer to build 3D shapes of desired materials. It's very handy for prototyping and working with geometrically complicated materials. It was founded and developed in the 1980s, but it was a costly and demanding procedure at the time, with few uses. It became quiet relevant and inexpensive in the 2000 and a variety of applications which includes product development, component manufacturing, and tool manufacturing, plastic, aerospace engineering metalworking, Foot wear, dental and medical applications, and electronics. Even the household uses of 3D printers were happening. The construction sector also started using 3D technology and the systems used were called 3D printers for construction Computer-aided design, or CAD design, or the usage of a 3D scanner are both used to build a 3D model.
