Floyd Rey Plando

@google.com

Department of Chemical, Environmental and Materials Engineering
Universidad de Jaén

Floyd Rey Plando


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https://researchid.co/frpplando0528

EDUCATION

I finished my PhD in Physics at the Ateneo de Manila University, Quezon City, Philippines. During my PhD, I worked on various properties of self-compacting concrete using rice husk ash.

RESEARCH, TEACHING, or OTHER INTERESTS

Materials Science, Civil and Structural Engineering, Chemistry, Mechanics of Materials
7

Scopus Publications

58

Scholar Citations

3

Scholar h-index

3

Scholar i10-index

Scopus Publications

  • Evaluation of Engineering students’ translation skills in Newton’s laws of motion using Newman’s error analysis
    Felicia Katerina Pasno, Floyd Rey Plando
    Multidisciplinary Science Journal, 2025
    This study evaluated the translation skills of students across Newton’s laws of motion representations through a standardized diagnostic test. One of the objectives of this study is to provide significant insights to science educators seeking to improve the quality of physics teaching. This will guide the development of effective teaching strategies or a study guide that could improve students’ comprehension and application of scientific concepts. The study employed purposive sampling, with a total of 178 respondents who were engineering students from different programs. The study’s findings can provide insights into respondents’ proficiency in interpreting Newton’s laws of motion across various forms of representation. A quantitative approach using statistical analysis of diagnostic exam results, graded with a specialized rubric, was employed. The results showed that students excelled in solving problems involving diagrams but struggled with equations and textual descriptions. Newman’s error analysis is a method used to examine the mistakes made by participants in solving mathematical problems. These errors can be classified into different categories, such as reading, comprehension, transformation, process skills, and encoding errors. Newman’s error analysis identified transformation errors as the participants’ most frequent mistakes, followed by encoding and process skills errors. Furthermore, two-way ANOVA analysis revealed significant effects of year-level and program of study on test scores of respondents, indicating that as student progress to higher-level physics courses, their understanding and application of Newton’s laws of motion also improves. This study makes a valuable contribution to the field of physics education by highlighting the importance of translation skills, aiming to improve teaching methods for better comprehension of scientific principles.
  • Multicollinearity assessment for estimating models on self-compacting concrete using rheological properties
    Floyd Rey P. Plando, Daryl Bryan S. Forel
    Iop Conference Series Earth and Environmental Science, 2025
    This paper presents experimental values of rheological and strength performances based on mixture optimization of self-compacting concrete (SCC). Pairwise matrix reveals multicollinearity in assessing the predictor variables with each other, with at least four pairwise having very strong correlation, and two having moderate correlation. Iteration of the “choose, fit, assess, and use” framework is done to create linear regression models, and to check the best fit model. Then, four equation models are built and statistically processed to check their t-value, p-value, and variance inflation factor. Results from this quantitative assessment identify an empirical model in predicting the compressive strength of the SCC. This theoretically relates the strength of the hardened samples to the rheology of the fresh samples.
  • Assessment of compressive strength, microstructure, thermal, and radiation shielding properties of Taal volcanic ash-based geopolymer mortar
    Floyd Rey P. Plando, Myris V. Supnad, Joel T. Maquiling
    Journal of Building Engineering, 2025
  • A mix-design development of self-compacting concrete in achieving structural durability
    Floyd Rey P. Plando
    Journal of Physics Conference Series, 2025
    Self-compacting concrete (SCC) is a custom-blend formulation that does not require vibration or compaction before curing because it readily flows in every corner of a mould or formwork. Compared to conventional cement-based concrete, the workability of fresh SCC is defined by high filling capacity, obstruction-passing capability, and resistance to aggregate separation. Moreover, hardened SCC provides better mechanical properties which are required in earth retaining systems, retrofitting constructions, and column formworks. Experimental tests suggest that SCC mixed with rice husk ash (RHA) provides good compaction and high flowability with improved compressive strength and durability as it hardens. This present work highlights the implementation of mix proportions modified for RHA-SCC, combining fresh and hardened RHA-SCC properties in one nomogram adapted from Monteiro et al.’s study. The nomogram is developed using experimental data from 15 mixture designs of RHA-SCC. The adapted method is rooted on three classical ideas―Abram’s law for cured SCC, Lyse’s law for pre-hardened SCC, and Molinari’s law for cement-like contents. Results are compared to different strength-based mix-design studies with cement- and cement-like materials to discuss further the advantages and limitations of the present mix-design development. Also, a durability test via seawater immersion of the 28-day cured samples is done to determine the mass loss and relative strength after 30 cycles. This study aims to further improve the adapted method by comparing it to various mix designs, evaluating the long-term durability of RHA-SCC samples, and achieving adequate mechanical properties with low water demand. Lastly, the partial substitution of RHA produces a sustainable SCC and contributes to the circular economy.
  • Construction potential of rice husk ash as eco-friendly cementitious material in a low-water demand for self-compacting concrete
    Floyd Rey P. Plando, Joel T. Maquiling
    Construction and Building Materials, 2024
  • Microstructural characterizations and radiation shielding quantities of rice husk ash-based self-compacting concrete and its precursors
    Floyd Rey P. Plando, Mon Bryan Z. Gili, Joel T. Maquiling
    Radiation Physics and Chemistry, 2023
    This paper investigates the microstructural, chemical, and radiation shielding characteristics of rice husk ash-based self-compacting concrete (RHA-SCC) and its precursors – rice husk ash (RHA) and ordinary Portland cement (OPC). Several radiation attenuation parameters of RHA-SCC, RHA, and OPC have been studied using EpiXS. Characterizations of these samples using FTIR, XRD, and SEM were also employed for chemical bonds, mineral phase, and morphological analysis, respectively. The XCOM data library was utilized to obtain mass attenuation coefficients (MAC) and related to EPICS2017 and EPDL97 data. From the results, prominent interaction mechanisms for RHA-SCC were photoelectric absorption, incoherent scattering, and pair production in the nuclear field. Both the mean free path (MFP) and half-value layer (HVL) values agreed to this sequence: OPC > RHA > RHA-SCC. The Zeff values recorded for high-photon energies were 13.95, 13.20, and 10.85 for RHA-SCC, RHA, and OPC, respectively. While maximum Neff was estimated at the low-energy region with values of 4.68, 4.70, and 3.89 electrons·g−1 for RHA-SCC, RHA, and OPC. Both buildup factors were highly affected by the presence of higher Z elements contained in RHA-SCC, reaching up to 200 keV at 40 MFP. For intermediate and higher-energy levels, the MAC values established this order: RHA-SCC > OPC > RHA, with the lowest deviation of 0–0.21% for EPICS2017-EPDL97 tandem. Overall, RHA-SCC has better shielding effects compared to its precursors and can cost-effectively be used as an additive in preparing radiation shielding concrete.
  • MICROSTRUCTURAL CHARACTERIZATIONS AND STRENGTH DEVELOPMENT OF SELF-COMPACTING CONCRETE USING RICE HUSK ASH
    Romanian Journal of Physics, 2023

RECENT SCHOLAR PUBLICATIONS

  • Multicollinearity assessment for estimating models on self-compacting concrete using rheological properties
    FRP Plando, DBS Forel
    IOP Conference Series: Earth and Environmental Science 1541 (1), 012003 , 2025
    2025.0
  • A mix-design development of self-compacting concrete in achieving structural durability
    FRP Plando
    Journal of Physics: Conference Series 3061 (1), 012030 , 2025
    2025.0
  • Assessment of compressive strength, microstructure, thermal, and radiation shielding properties of Taal volcanic ash-based geopolymer mortar
    FRP Plando, MV Supnad, JT Maquiling
    Journal of Building Engineering 99, 111572 , 2025
    2025.0
    Citations: 10
  • Construction potential of rice husk ash as eco-friendly cementitious material in a low-water demand for self-compacting concrete
    FRP Plando, JT Maquiling
    Construction and Building Materials 418, 135407 , 2024
    2024.0
    Citations: 23
  • The Influence of Rice Husk Ash in achieving Durable and Sustainable Self-Compacting Concrete in a Mix-Design Development
    FR Plando, JT Maquiling
    AGU Fall Meeting Abstracts 2023, SY03-1 , 2023
    2023.0
  • Microstructural characterizations and radiation shielding quantities of rice husk ash-based self-compacting concrete and its precursors
    FRP Plando, MBZ Gili, JT Maquiling
    Radiation Physics and Chemistry 208, 110916 , 2023
    2023.0
    Citations: 22
  • On the Various Properties of Self-Compacting Concrete Using Rice Husk Ash
    FRP Plando
    2023.0
  • Microstructural Characterizations and Strength Development of Self-Compacting Concrete Using Rice Husk Ash
    FRP Plando, JT Maquiling
    2023.0
    Citations: 2
  • Spectral-Temporal Variations of Aerosol Ångström Exponent Over Manila, Philippines
    FRP Plando, RM Castilla, EA Vallar, MCD Galvez
    Advanced Science Letters 23 (2), 1456-1460 , 2017
    2017.0
    Citations: 1
  • Analysis of aerosol optical depth, total ozone column and precipitable water retrieved from microtops-II ozonemeter over Manila, Philippines
    FRP Plando
    2016.0
  • Characterization of columnar water vapor measurements and its comparison with model estimates and surface meteorological parameters Over Manila, Philippines (14.567° N, 120.980° E)
    RM Castilla, FRP Plando, EA Vallar, MCD Galvez, VR Morris
    35th Asian Conference on Remote Sensing 2014: Sensing for Reintegration of … , 2014
    2014.0
  • Microstructural Characterizations and Radiation Shielding Quantities of Rice Husk Ash-Based Alkali-Activated Self-Compacting Concrete and its Precursors
    FRP Plando, MB Gili, J Maquiling
    Available at SSRN 4361294 , 0

MOST CITED SCHOLAR PUBLICATIONS

  • Construction potential of rice husk ash as eco-friendly cementitious material in a low-water demand for self-compacting concrete
    FRP Plando, JT Maquiling
    Construction and Building Materials 418, 135407 , 2024
    2024.0
    Citations: 23
  • Microstructural characterizations and radiation shielding quantities of rice husk ash-based self-compacting concrete and its precursors
    FRP Plando, MBZ Gili, JT Maquiling
    Radiation Physics and Chemistry 208, 110916 , 2023
    2023.0
    Citations: 22
  • Assessment of compressive strength, microstructure, thermal, and radiation shielding properties of Taal volcanic ash-based geopolymer mortar
    FRP Plando, MV Supnad, JT Maquiling
    Journal of Building Engineering 99, 111572 , 2025
    2025.0
    Citations: 10
  • Microstructural Characterizations and Strength Development of Self-Compacting Concrete Using Rice Husk Ash
    FRP Plando, JT Maquiling
    2023.0
    Citations: 2
  • Spectral-Temporal Variations of Aerosol Ångström Exponent Over Manila, Philippines
    FRP Plando, RM Castilla, EA Vallar, MCD Galvez
    Advanced Science Letters 23 (2), 1456-1460 , 2017
    2017.0
    Citations: 1
  • Multicollinearity assessment for estimating models on self-compacting concrete using rheological properties
    FRP Plando, DBS Forel
    IOP Conference Series: Earth and Environmental Science 1541 (1), 012003 , 2025
    2025.0
  • A mix-design development of self-compacting concrete in achieving structural durability
    FRP Plando
    Journal of Physics: Conference Series 3061 (1), 012030 , 2025
    2025.0
  • The Influence of Rice Husk Ash in achieving Durable and Sustainable Self-Compacting Concrete in a Mix-Design Development
    FR Plando, JT Maquiling
    AGU Fall Meeting Abstracts 2023, SY03-1 , 2023
    2023.0
  • On the Various Properties of Self-Compacting Concrete Using Rice Husk Ash
    FRP Plando
    2023.0
  • Analysis of aerosol optical depth, total ozone column and precipitable water retrieved from microtops-II ozonemeter over Manila, Philippines
    FRP Plando
    2016.0
  • Characterization of columnar water vapor measurements and its comparison with model estimates and surface meteorological parameters Over Manila, Philippines (14.567° N, 120.980° E)
    RM Castilla, FRP Plando, EA Vallar, MCD Galvez, VR Morris
    35th Asian Conference on Remote Sensing 2014: Sensing for Reintegration of … , 2014
    2014.0
  • Microstructural Characterizations and Radiation Shielding Quantities of Rice Husk Ash-Based Alkali-Activated Self-Compacting Concrete and its Precursors
    FRP Plando, MB Gili, J Maquiling
    Available at SSRN 4361294 , 0