Week 01 - Basic Intro: Codes, Inputs, software
- In this session, you will learn about
- Precast concrete structures are distinguished from cast-in-place structures by their essential differences.
- Structural design of G+15 precast building
- Inputs required
- Architectural plan of the buildings
- Location of the building
- Usage of the building
- Substructure Information (soil capacity, subgrade modulus)
- Slight brief about the structural codes to be used IS 456, IS 1893, IS 13920, IS 15916, PCI reference
- Slight brief about the software to be used during the course
Week 02 - Concept Design
- In this session, you will learn
- At a different level, work with the architectural plan and prepare the structural framing.
- Recognize and establish the building's vertical load path.
- Understand and establish the building's lateral load resisting system/stability system.
- Understanding the structure's grounding of forces
- Freeze the building's structural system's quality.
- Prepare the structural frame drawings for all levels in order to prepare the analytical model.
Week 03 - Concept Design - Precast
- In this session, you will learn about
- Breaking down the structural parts into precast members that are possible
- Understanding the fundamentals of various precast elements
- The size criteria for various precast members
- An overview of the different types of precast elements
- Developing new structural plans in accordance with the precast structural scheme
- Developing some rudimentary connection sketches at this stage
Week 04 - Force Calculation
- In this session, you will learn about
- Identifying all the forces considered for the analysis
- Calculation of all the forces
- The calculation for wind, snow, & earthquake loads
- Basic understanding of IS 1893 (Static & Dynamic method)
- Hand calculations showing seismic base shear
- Additional stages to be taken for precast members: demolding, transportation, and erection
Week 05 - Load combinations, Strength & Serviceability parameters, Progressive collapse
- In this session, you will learn
- Load combination as per IS 456 & IS 1893
- Strength parameters for precast members
- Serviceability parameters & checks for precast building
- Introduction to Progressive collapse
- Progressive collapse prevention system for the building
- Introduction to horizontal & vertical ties
Week 06 - Analytical model of the precast building in ETABS
- In this session, you will learn
- Setting up the analytical model
- The geometry of the analytical model as per framing plans
- Preliminary sizing of the structural members
- Section properties of the structural members
- Support parameters, connection parameters, and mass source
- DBR preparation
Week 07 - Analytical model – Loading, connection parameters, foundation properties, and seismic inputs
- In this session, you will learn
- Load application on the analytical model
- Seismic load application on the analytical model
- Wind load application
- Mass source
- Load combination
- Limit state of strength & serviceability
Week 08 - Behavior of the analytical model
- In this session, you will learn
- Checking the behaviour of the analytical model
- The deflected shape under various load cases (dead, lateral)
- Base reactions & uplifts
- Story drifts & deflections
- Connection forces in FEM design
- The mode shapes & governing modes
- The mode participation factors
- Preliminary system run design of the members
Week 09 - Foundation design of the building & Precast element design
- In this session, you will learn about
- Detailed analysis for base reaction forces
- Based on base reactions and soil qualities, a form of foundation is suggested
- Create a foundation utilising SAFE and a raft reinforcement design
- Additional checks for the foundation
- Verifying the initially assumed sizes of the members
- Detailed design of the precast elements
- Design for reinforcement precast slabs (solid slabs, Hollow core slabs)
- Design for precast reinforced beams & Columns
- Design for precast concrete walls
Week 10 - Design of various precast elements
- In this session, you will learn
- Additional inspections will be carried out during the lifting and transportation stages
- Other design stages require connection and strengthening
- Information on many sorts of structural elements in general
- Slabs with hollow cores, filigree slabs, and balcony slabs, as well as their connections
- Introduction to Prestressed structural members
- Types of precast walls
- Sandwich walls
- Double walls
- Battery walls
- Cavity walls
Week 11 - Design of precast connections
- In this session, you will learn about
- Identifying & computing connection forces from the analytical model
- Schematic design of a precast connection
- Connection sketches
- Detailed connection design for various connections
- Wall – Wall horizontal
- Wall – Wall vertical
- Wall – Foundation
- Wall – Slabs
- Beam – Slab
- Beam – Column connections
- Balcony slab – Beam connection
- General information about various types of connections
Week 12 - Diaphragm design and Robustness
- In this session, you will learn
- Design for the semi-rigid diaphragm of the precast deck
- Cast on-site reinforcement required for diaphragm action
- Details for cast-on-site reinforcing are being prepared
- Robustness system of the building
- Provision of horizontal and vertical ties in the building
- Computing Tie forces
- Changed connection forces