A one-way slab is a reinforced concrete slab supported on two sides that resists loads in one direction. It is commonly used when spans are longer in one direction. Design involves calculating loads, selecting materials, determining thickness, and placing reinforcement. A one-way slab can be simply supported or include a cantilever. Key considerations are load requirements, span length, reinforcement, cover, and mix design. Design steps include analyzing loads, selecting thickness, calculating bending and shear, sizing reinforcement, and checking deflection.

1. Design of one way slab
Name:-Surajit Basak
Reg No:- 222570120130
Roll No:- 25701322111

2. Design Of one way slab
 A one-way slab is a type of reinforced concrete slab that is supported by beams on two
opposite sides. The term “one-way” refers to the main reinforcement bars running in
one direction only, while the slab resists the loads primarily in one direction. These
slabs are commonly used in buildings where the spans are longer in one direction than
the other, making it more economical to design the slab in a single direction.
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 Designing a one-way slab involves several steps, including calculating loads, selecting
appropriate materials, determining slab thickness, and placing reinforcement

3. Types of one way slab
 One-Way Slabs can be classified into two types:
 Simply Supported One-Way Slab
 Supported on two sides with one direction being shorter.
 Load is transferred to supports in the short direction.
 One-Way Slab with Cantilever
 Has a cantilever portion extending beyond the supporting beam or wall.

4. Design Considerations]
Before designing a one-way slab, the following factors need to be considered:
Load Requirements
Determine the expected live loads and dead loads the slab will carry.
Span Length
Measure the length of the slab span to determine the effective depth required.
Reinforcement
Decide on the type and quantity of reinforcement based on structural calculations.
Clear Cover
Ensure adequate clear cover for the reinforcement to prevent corrosion.
Concrete Mix Design
Choose an appropriate concrete mix for strength and durability.

5. Design Steps
1. Calculate Dead Load
- Include the self-weight of the slab and any fixed loads like walls or partitions.
- Apply appropriate unit weight of concrete and finishes.
2. Calculate Live Load
- Use relevant codes and standards to determine the live load requirements for the specific use of the
structure.
3. Determine Total Load
- Add the dead and live loads to find the total load acting on the slab.
4. Select Slab Thickness
- Use the total load and allowable deflection criteria to choose an appropriate slab thickness.

6. Design Steps (Continued)
5. Calculate Bending Moment and Shear Force
- Analyze the slab for the design moment and shear force at critical sections.
6. Design Reinforcement
- Use the calculated bending moment to determine the required amount of
reinforcement.
- Place reinforcement in the bottom of the slab for tension resistance.
7.Check for Deflection
- Verify that the slab’s deflection under the given loads is within permissible limits.

7. Design Example
 - Illustrate a design example for a simply supported one-way slab.
 - Show calculations for loads, bending moment, shear force, and
reinforcement details.

8. Reinforcement Details
 Provide typical reinforcement details for one-way slabs.
 - Include information on rebar sizes, spacing, and arrangement.

9. Construction Considerations
 - Important construction considerations for one-way slabs:
 - Proper formwork installation
 - Adequate curing of concrete
 - Quality control during the placement of reinforcement
 - Proper concrete pouring and finishing techniques

10. Conclusion
 Recap the key points of the presentation.
 - Emphasize the importance of following proper design and construction
practices for safe and durable one-way slabs.

11. Q&A
 Open the floor for questions from the audience.

12. Thank you
 - Express gratitude to the audience for their attention.
 - Provide contact information for further inquiries.

13. References
 List the sources used in the presentation for further reading.
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 Remember to present each slide clearly and concisely. Use visuals, diagrams,
and illustrations to aid in understanding the concepts better. Good luck with
your presentation on the design of one-way slabs!