Design for Torsion
- Introduction
- Types of Torsion
- Torsion in plain concrete members
- Torsion in reinforced concrete members
- Combined shear and torsion
- ACI code provisions for torsion design
Introduction
1
Introduction
Types of Torsion
Primary or
Design of Two-Way Floor
Slab System
Comparison of One-way and
Two-way slab behavior
One-way slabs carry
load in one direction.
Two-way slabs carry
load in two directions.
1
Comparison of One-way and
Two-way slab behavior
One-way and two-way
slab action ca
HOME ASSIGNMENT
For the 24 ft span simply supported beam (1224 Cross section) shown,
determine the maximum stresses at mid-span section due to its own weight
and the following cases of loading and prestressing:
1. A uniform live load of 900 lb/ft.
2. A un
Reinforced Concrete Design I (CE-304)
Dr Tehmina Ayub
ASSIGNMENT NO. 01
Problem N0. 01
Determine the design moment strength of the sections given in the following table, knowing that
fc = 4,000 psi fy = 60 ksi (Answers are given in the right column. Mn =
Design of Flat Plate
Seat No. _
Section: _
Design the panels of a flat slab of size given below c/c as shown, if it carries Partition
= 20 psf, Live Load = 70 psf [Assume: fc = 3 ksi, fy = 50 ksi].
Last
digit of
seat
Number
0
1
2
3
4
5
6
7
8
9
Panel Size
LIVE LOADS ON BUILDINGS
Occupancy or use
Live
load
psf
Occupancy or use
Apartments (see residential)
Armories and drill rooms
Assembly areas and theatres
Fixed seats
Lobbies
Movable seats
Platforms (assembly)
Stage floors
Balconies (exterior)
On one and t
EXAMPLE 7.1
ANALYSIS AND DESIGN FOR TORSION 255
5. Check that the minimum transverse reinforcement requirements are met for both
torsion and shear. These include the maximum spacing, as described in Sections
7.5e and 4.5d, and minimum area, as given in Eq
Prestressed Concrete Structures
Subject: Reinforced Concrete Design-II (CE-405)
Dr Tehmina Ayub
LOSSES IN PRESTRESS (PART I)
This section covers the following topics.
Introduction to prestress losses
Elastic Shortening
The relevant notations are explain