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TRANSCRIPT
CHAPTER 8: HOLLOW BLOCK SLABS
CONTENTS
Hollow and ribbed slabs
Introduction to hollow block slabs
Design of one way HB slabs
Design of two way HB slabs
Design of beams carrying HB slabs
Chapter 8 Problems
HOLLOW AND RIBBED SLABS
Hollow core
Ribbed slab
Hollow block
Waffle slab
INTRODUCTION TO HOLLOW BLOCK SLABS
Components:
1- Solid slab
2- Ribs
3- Blocks
4- Solid part
INTRODUCTION TO HOLLOW BLOCK SLABS
Types:
1- One way
2- Two way
3- Cantilever
DESIGN OF ONE WAY HB SLABS
Choosing of thickness
Calculation of loads
DESIGN OF ONE WAY HB SLABS
Taking a 1m strip
DESIGN OF ONE WAY HB SLABS
Design against moment
DESIGN OF ONE WAY HB SLABS
Solid part
DESIGN OF ONE WAY HB SLABS
Details of RFT
DESIGN OF ONE WAY HB SLABS
Condition
DESIGN OF TWO WAY HB SLABS
Choosing of thickness
DESIGN OF TWO WAY HB SLABS
Calculation of loads
DESIGN OF TWO WAY HB SLABS
Rectangularity
DESIGN OF TWO WAY HB SLABS
Taking 1m strips at the two directions
DESIGN OF TWO WAY HB SLABS
Design against moment
DESIGN OF TWO WAY HB SLABS
Solid part
DESIGN OF TWO WAY HB SLABS
Details of RFT
DESIGN OF TWO WAY HB SLABS
Load calculation
DESIGN OF BEAMS CARRYING HB SLABS
Projected beam
DESIGN OF BEAMS CARRYING HB SLABS
Embedded (Hidden) beam
DESIGN OF BEAMS CARRYING HB SLABS
CHAPTER 8 PROBLEMS
(1) Design the one way
hollow blocks slabs
shown in figure.
Use Fcu=25 N/mm2,
Fy=360 N/mm2,
F.C.=1.5 KN/m2,
L.L.=2 KN/m2.
CHAPTER 8 PROBLEMS
(2) Design the shown
slabs S1 & S2 and
draw details of RFT.
Use Fcu=25 N/mm2,
Fy=360 N/mm2,
F.C.=1.5 KN/m2,
L.L.=2 KN/m2.
REFERENCES
Design of R.C. Structures, Eng. Ahmed Gamal Abdel Gawad.
Lectures in Reinforced Concrete, Eng. Yasser Elleathy.
Design of Reinforced concrete, Dr. Magdy A. Tayel.
Design of Reinforced Concrete Structure II, D. Mashhour A. Ghoneim.
Reinforced Concrete, Dr. Nasr Younis.
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