Author

P N Ojha

Observed names: Ojha P N, Ojha P. N., P. N Ojha, P. N. OJHA, P. N. Ojha, P.N. Ojha, P.N. Ojha Ojha, Parmanand Ojha

Institution: National Council for Cement and Building Materials

Observed institutions: National Council for Cement and Building Materials, Deen Dayal Upadhyaya Gorakhpur University

ORCID: 0000-0003-1754-4488

Observed ORCID: 0000-0003-1754-4488

OpenAlex ID: A5005837728

Effect of CaCl2 on the hydration of tricalcium silicate

1981 · N. B. Singh, P. N. Ojha · Journal of Materials Science · 31

Lightweight geopolymer fly ash sand: an alternative to fine aggregate for concrete production

2021 · P N Ojha, Brijesh Singh, et al. · Research on Engineering Structures and Materials · 26

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Fracture behavior of plain and fiber-reinforced high strength concrete containing high strength steel fiber

2022 · P.N. Ojha, Pranay Singh, et al. · Research on Engineering Structures and Materials · 15

Optimization and evaluation of ultra high-performance concrete

2020 · P. N. Ojha, Piyush Mittal, et al. · Journal of Asian Concrete Federation · 14

High performance fiber reinforced concrete – for repair in spillways of concrete dams

2021 · P N Ojha, Amit Trivedi, et al. · Research on Engineering Structures and Materials · 10

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Studies on mechanical performance of treated and non-treated coarse recycled concrete aggregate and its performance in concrete-an Indian case study

2023 · P.N. Ojha Ojha, Puneet Kaura, et al. · Research on Engineering Structures and Materials · 9

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Effect of high ratio fly ash on roller compacted concrete for dam construction

2022 · P. N. Ojha, Brijesh Singh, et al. · Research on Engineering Structures and Materials · 9

Experimental investigation for the determination of stress-strain relationship for sintered flyash lightweight aggregate concrete

2025 · Brijesh Singh, Shamsher Bahadur Singh, et al. · Construction and Building Materials · 8

Short-term mechanical performance and flexural behavior of reinforced slag-fly ash-based geopolymer concrete beams in comparison to OPC-based concrete beams

2022 · P.N. Ojha, Brijesh Singh, et al. · Research on Engineering Structures and Materials · 8

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Experimental investigation on use of ferrochrome slag as an alternative to natural aggregates in concrete structures

2021 · P N Ojha, Abhishek Singh, et al. · Research on Engineering Structures and Materials · 8

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Crack detection and crack segmentation in concrete beams undergoing mode I fracture using computer vision and convolutional neural network

2023 · Pranay Singh, P.N. Ojha, et al. · Canadian Journal of Civil Engineering · 7

Studies on Portland Slag Cement Made Using Blast Furnace and Linz-Donawitz Slag

2023 · P. N. Ojha, Abhishek Singh, et al. · ACI Materials Journal · 7

Changes in Zeta Potential During Hydration of C 3 S With and Without CaCl 2 Additions

1981 · N. B. Singh, P. N. Ojha · Journal of the American Ceramic Society · 7

Mechanical Properties of Polypropylene Fiber Reinforced Concrete under Elevated Temperature

2021 · Vikas Patel, Brijesh Singh, et al. · Journal of Architectural Environment & Structural Engineering Research · 6

Mechanical and durability properties of cement mortar and concrete reinforced with glass micro fibre

2021 · P. N. Ojha, Abhishek Singh, et al. · Research on Engineering Structures and Materials · 6

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Pervious concrete, plastic concrete and controlled low strength material- a special applications concrete

2020 · Ojha P N, Suresh Kumar, et al. · Journal of Building Materials and Structures · 6

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Study on effect of fly ash and limestone powder on compressive strength of roller compacted concrete for dam construction

2022 · P N Ojha, Brijesh Singh, et al. · Journal of Asian Concrete Federation · 5

Empirical equations for prediction of split tensile and flexural strength of high strength concrete including effect of steel fiber

2022 · P.N. Ojha, Brijesh Singh, et al. · Research on Engineering Structures and Materials · 5

A case study on deterioration assessment and rehabilitation of fire damaged reinforced concrete structure

2021 · Ojha P N, Adarsh Kumar N S, et al. · Journal of Building Materials and Structures · 5

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Mechanical properties and fracture behavior of concrete made with sintered fly ash lightweight coarse aggregate and electric arc furnace slag as fine aggregate

2024 · Brijesh Singh, Shamsher Bahadur Singh, et al. · Research on Engineering Structures and Materials · 4

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Performance of High Volume Fly Ash Concrete in Structural Applications

2023 · Puneet Kaura, P N Ojha, et al. · Journal of Building Materials and Structures · 4

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Fracture behavior of slag & fly ash-based geopolymer concrete in comparison with opc-based conventional concrete, including the effect of steel and hybrid fibers

2023 · Pranay Singh, Brijesh Singh, et al. · Revista Ingeniería de Construcción · 4

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Ash Utilization Strategy in India—A Way Forward

2022 · P. N. Ojha, Brijesh Singh, et al. · Springer transactions in civil and environmental engineering · 4

Use of bottom ash as part replacement of sand for making concrete blocks

2021 · Satish Sharma, V V Arora, et al. · Journal of Building Materials and Structures · 4

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Evaluation of mechanical and durability properties of con- crete made with Indian bottom ash as replacement of fine ag- gregate

2020 · P. N. Ojha, Amit Trivedi, et al. · Journal of Asian Concrete Federation · 4

Works count: 48

Citation count: 244

H-index: 8

I10-index: 5