What does this research mean for the field?

In mid-rise mixed-use buildings, neither conventional beam-slab nor flat-slab systems are universally superior; flat slabs develop significantly higher hogging moments and shear forces but reduce formwork complexity, whereas conventional systems offer lower peak forces but higher mid-span sagging moments. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To systematically compare the structural performance, material consumption, and design parameters of conventional beam-slab and flat-slab systems on a critical floor of a mixed-use building.

September 2, 2026testaugustOpen Access

Analysis and Design of Critical Floor of Commercial and Residential Building Using Conventional Slab and Flat Slab Systems: A Comparative Study

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Authors

NSNinad Pradip Chougule, Dr. N. S. Bembade, Mr. Vijaykumar G. Sawant

Discussion

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Overview

Comparative modeling demonstrates distinct structural trade-offs between flat and conventional slab systems in a mixed-use building, highlighting context-dependent structural selection.

Key Points

To systematically compare the structural performance, material consumption, and design parameters of conventional beam-slab and flat-slab systems on a critical floor of a mixed-use building.
Constructed two 3D models in ETABS 21.0.0 using identical geometry, column layouts, gravity loads, and materials (M25 concrete, Fe 500 steel).
Evaluated the governing ultimate load combination 1.5(DL + LL) according to IS 456:2000, using design strips for the flat slab and a hierarchical load path for the conventional beam-slab system.
The flat-slab system produced a maximum hogging moment approximately 2.11 times higher and a maximum shear force approximately 2.63 times higher than the critical conventional beam, whereas the conventional system produced a substantially higher mid-span sagging moment.
Column axial loads varied by only 3.3%, and service deflections for the flat slab remained within code-specified limits.
The flat-slab alternative reduced concrete volume and eliminated beam formwork, but required significantly higher reinforcement steel compared to the conventional beam-slab system.

Cite This Study

Ninad Pradip Chougule, Dr. N. S. Bembade, Mr. Vijaykumar G. Sawant (2026) studied this question.

synapsesocial.com/papers/6a97e305c562ede874ec792a https://doi.org/10.5281/zenodo.22200045

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September 2, 2026testaugustOpen Access

Analysis and Design of Critical Floor of Commercial and Residential Building Using Conventional Slab and Flat Slab Systems: A Comparative Study

View Full Paper

Ask AI

Bookmark

Authors

NSNinad Pradip Chougule, Dr. N. S. Bembade, Mr. Vijaykumar G. Sawant

Discussion

Member takes

Overview

Comparative modeling demonstrates distinct structural trade-offs between flat and conventional slab systems in a mixed-use building, highlighting context-dependent structural selection.

Key Points

To systematically compare the structural performance, material consumption, and design parameters of conventional beam-slab and flat-slab systems on a critical floor of a mixed-use building.
Constructed two 3D models in ETABS 21.0.0 using identical geometry, column layouts, gravity loads, and materials (M25 concrete, Fe 500 steel).
Evaluated the governing ultimate load combination 1.5(DL + LL) according to IS 456:2000, using design strips for the flat slab and a hierarchical load path for the conventional beam-slab system.
The flat-slab system produced a maximum hogging moment approximately 2.11 times higher and a maximum shear force approximately 2.63 times higher than the critical conventional beam, whereas the conventional system produced a substantially higher mid-span sagging moment.
Column axial loads varied by only 3.3%, and service deflections for the flat slab remained within code-specified limits.
The flat-slab alternative reduced concrete volume and eliminated beam formwork, but required significantly higher reinforcement steel compared to the conventional beam-slab system.

Cite This Study

Ninad Pradip Chougule, Dr. N. S. Bembade, Mr. Vijaykumar G. Sawant (2026) studied this question.

synapsesocial.com/papers/6a97e305c562ede874ec792a https://doi.org/10.5281/zenodo.22200045

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