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EXPERIMENTAL INVESTIGATION ON
REINFORCED BRICK
MASONRY
SYNOPSIS
• Abstract
• Introduction
• Scope & Objectives
• Literature Review
• Methodology
• Materials used
• Test
• Benefits of sawdust concrete
• Reference
ABSTRACT:
This Technical Notes provides a discussion of the proper methods of
constructing reinforced brick masonry. Materials used in reinforced brick masonry are
included Construction of brick masonry, placement of steel reinforcement and grouting
are addressed.in our project experimental investigation is going to be done to find out
the compression, shear and flexural behavior of RBM elements. The properties of
brick, steel and other materials are going to be studied . The economy of the RBM
elements than RCC Elements are going to be compared.
Introduction
• Reinforced brick masonry (RBM) is different from conventional brick Work in
many ways. The reinforcement is introduced in brick masonry to increase the
flexural properties .The RBM Elements are used instead of RCC Members for
economy purpose. Common examples of RBM elements are lintel beams, columns.
Reinforced brick walls subjected to eccentricity and moment (span more than 30
times the thickness of wall) and slabs. The different techniques are discussed with
particular emphasis on the concepts of grouting and the placement of
reinforcement.
Scope & Objectives
• To create RBM elements using brick, steel reinforcement and cement grout.
• To design cement grout of grade M20 with desirable workability
• To study the material properties
• To study the compression shear and flexural behaviour of RBM Elements
• To compare the economy and mechanical properties with RCC
Literature Review
Milad Alshebani and Sinha [2000] conducted tests on half -scale and plast brick
masonry specimens, subjected to cyclic biaxial compression in which the angles
between the principal stresses and the bed joint were limited to 90o and 0o . Masonry
under biaxial stress was representative of a number of walls subjected to in-plane loads
which mostly occur cyclically (e.g. seismic loads) thus inducing a cyclic biaxial stress
state in various regions of the masonry structural element. Failure of the specimens was
characterized by splitting at mid thickness of the bearing area.
Methodology
Properties of material
Casting of prisms
Casting of flexural beams
Testing of Specimen
Comparison and Discussion of results
Conclusion
Materials used
– Cement – Portland pozzolona cement, 53 Grade conforming
to IS: 12269-1987.
– Fine Aggregate - Locally available river sand confined Grading zone II of IS:
383-1970
– Water - Portable water as per IS 456-2000.
– Brick –first class brick of compressive strength 5 N/mm2
– Steel rod – Fe 415 As per IS 456-2000.
Mix Ratio
CEMENT SAND AGGREGATE
1 2.2 2.8
Test
TESTING OF CEMENT
Initial and final setting time of cement
TESTING OF FINE AND COARSE AGGREGATE
Sieve analysis of Fine and Coarse aggregate
TESTING OF FRESH CONCRETE
Slump cone test
Compaction factor test
Flow table test
Vee Bee Consistometer
TESTING OF HARDENED CONCRETE
Compressive strength
Split tensile strength
Flexural strength
Result
S. No Properties Test Results Requirements as
per IS 12269-1987
1 Normal consistency 28% --
2 Specific gravity 3.15 --
3 Initial setting time 30 min. Not less than 30
min.
4 Final setting time 600 min. Not more than 600
min.
Compressive Strength Test on Brick
S.No Load in kN Compressive strength
( load / area) N/mm2
1 110 5.5
2 98 4.9
3 105 5.25
Average 5.22
Water Absorption Test on Brick
S.No Weight of brick
before immersion
in water (W1) gms
Weight of brick
after 24 hours of
immersion (W2) gms
Water
absorption
%
1. 3250 3575 10
2. 3260 3651 12
3. 3270 3695 13
Average 11.66
Flexural Strength Test
S.NO LOAD IN KN FLEXURAL
STRENGTH PL/BD2
(N/mm2)
1. 10.4 2.15
2. 12.5 2.59
3. 13.5 2.80
Average 2.51
CONCLUSION
• The high strength bricks ,steel reinforcement and cement grout constituents may be
used as a reinforced brick elements
• The reinforced brick masonry May be used as Beam, column, slabs and reinforced
brick masonry
• The RBM is used for the elements subjected to lesser bending moment and
eccentricity
• RBM is more economical than RCC Elements
• The RBM may be used as walls subjected to eccentricity and walls having effective
span more than 30 times the thickness
• The RBM elements are less in weight and results in light weight structure
• The cement grout is made of M20 Concrete with good workability.
• The RBM elements are eco-friendly and doesn’t needs any weathering course for
the slabs
Reference
• R. Meli, S. Brzev, M. Astroza, T. Boen, F. Crisafulli, J. Dai, M. Farsi, T. Hart, A.
Mebarki, A.S. Moghadam, D. Quiun, M. Tomazevic, L. Yamin, Seismic Design
Guide for Low-Rise Confined Masonry Buildings, A Project Of The World Housing
Encyclopedia, EERI & IAEE, Committee Of International Experts, 2011.
• A. Triwiyono and A.S.B. Nugroho, Flexural Strength of Bataton Strengthened
Masonry Wall by Using Steel Reinforcement, Research Report (DIKS fund),
Faculty of Engineering Gadjah Mada University, 2011.
• H. Derakhshan, J.M. Ingham, M.C. Griffith Tri-linear Force-Displacement Models
Representative Of Out-Of-Plane Unreinforced Masonry Wall Behaviour,
11th Canadian Masonry Symposium, Toronto Ontario, May 31- June, 3 (2009)
• J. Vaculik, M. Griffith, N. Lam, J. Wilson, and E. Lumantarna, Cyclic Response Of
Unreinforced Clay Brick Masonry Walls. Australian Earthquake Engineering
Society Conference, Albury, Victoria, Australia, 2005.

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Experimental investigation on reinforced brick masonry.pptx

  • 2. SYNOPSIS • Abstract • Introduction • Scope & Objectives • Literature Review • Methodology • Materials used • Test • Benefits of sawdust concrete • Reference
  • 3. ABSTRACT: This Technical Notes provides a discussion of the proper methods of constructing reinforced brick masonry. Materials used in reinforced brick masonry are included Construction of brick masonry, placement of steel reinforcement and grouting are addressed.in our project experimental investigation is going to be done to find out the compression, shear and flexural behavior of RBM elements. The properties of brick, steel and other materials are going to be studied . The economy of the RBM elements than RCC Elements are going to be compared.
  • 4. Introduction • Reinforced brick masonry (RBM) is different from conventional brick Work in many ways. The reinforcement is introduced in brick masonry to increase the flexural properties .The RBM Elements are used instead of RCC Members for economy purpose. Common examples of RBM elements are lintel beams, columns. Reinforced brick walls subjected to eccentricity and moment (span more than 30 times the thickness of wall) and slabs. The different techniques are discussed with particular emphasis on the concepts of grouting and the placement of reinforcement.
  • 5. Scope & Objectives • To create RBM elements using brick, steel reinforcement and cement grout. • To design cement grout of grade M20 with desirable workability • To study the material properties • To study the compression shear and flexural behaviour of RBM Elements • To compare the economy and mechanical properties with RCC
  • 6. Literature Review Milad Alshebani and Sinha [2000] conducted tests on half -scale and plast brick masonry specimens, subjected to cyclic biaxial compression in which the angles between the principal stresses and the bed joint were limited to 90o and 0o . Masonry under biaxial stress was representative of a number of walls subjected to in-plane loads which mostly occur cyclically (e.g. seismic loads) thus inducing a cyclic biaxial stress state in various regions of the masonry structural element. Failure of the specimens was characterized by splitting at mid thickness of the bearing area.
  • 7. Methodology Properties of material Casting of prisms Casting of flexural beams Testing of Specimen Comparison and Discussion of results Conclusion
  • 8. Materials used – Cement – Portland pozzolona cement, 53 Grade conforming to IS: 12269-1987. – Fine Aggregate - Locally available river sand confined Grading zone II of IS: 383-1970 – Water - Portable water as per IS 456-2000. – Brick –first class brick of compressive strength 5 N/mm2 – Steel rod – Fe 415 As per IS 456-2000.
  • 9. Mix Ratio CEMENT SAND AGGREGATE 1 2.2 2.8
  • 10. Test TESTING OF CEMENT Initial and final setting time of cement TESTING OF FINE AND COARSE AGGREGATE Sieve analysis of Fine and Coarse aggregate TESTING OF FRESH CONCRETE Slump cone test Compaction factor test Flow table test Vee Bee Consistometer TESTING OF HARDENED CONCRETE Compressive strength Split tensile strength Flexural strength
  • 11. Result S. No Properties Test Results Requirements as per IS 12269-1987 1 Normal consistency 28% -- 2 Specific gravity 3.15 -- 3 Initial setting time 30 min. Not less than 30 min. 4 Final setting time 600 min. Not more than 600 min.
  • 12. Compressive Strength Test on Brick S.No Load in kN Compressive strength ( load / area) N/mm2 1 110 5.5 2 98 4.9 3 105 5.25 Average 5.22
  • 13. Water Absorption Test on Brick S.No Weight of brick before immersion in water (W1) gms Weight of brick after 24 hours of immersion (W2) gms Water absorption % 1. 3250 3575 10 2. 3260 3651 12 3. 3270 3695 13 Average 11.66
  • 14. Flexural Strength Test S.NO LOAD IN KN FLEXURAL STRENGTH PL/BD2 (N/mm2) 1. 10.4 2.15 2. 12.5 2.59 3. 13.5 2.80 Average 2.51
  • 15. CONCLUSION • The high strength bricks ,steel reinforcement and cement grout constituents may be used as a reinforced brick elements • The reinforced brick masonry May be used as Beam, column, slabs and reinforced brick masonry • The RBM is used for the elements subjected to lesser bending moment and eccentricity • RBM is more economical than RCC Elements • The RBM may be used as walls subjected to eccentricity and walls having effective span more than 30 times the thickness • The RBM elements are less in weight and results in light weight structure • The cement grout is made of M20 Concrete with good workability. • The RBM elements are eco-friendly and doesn’t needs any weathering course for the slabs
  • 16. Reference • R. Meli, S. Brzev, M. Astroza, T. Boen, F. Crisafulli, J. Dai, M. Farsi, T. Hart, A. Mebarki, A.S. Moghadam, D. Quiun, M. Tomazevic, L. Yamin, Seismic Design Guide for Low-Rise Confined Masonry Buildings, A Project Of The World Housing Encyclopedia, EERI & IAEE, Committee Of International Experts, 2011. • A. Triwiyono and A.S.B. Nugroho, Flexural Strength of Bataton Strengthened Masonry Wall by Using Steel Reinforcement, Research Report (DIKS fund), Faculty of Engineering Gadjah Mada University, 2011. • H. Derakhshan, J.M. Ingham, M.C. Griffith Tri-linear Force-Displacement Models Representative Of Out-Of-Plane Unreinforced Masonry Wall Behaviour, 11th Canadian Masonry Symposium, Toronto Ontario, May 31- June, 3 (2009)
  • 17. • J. Vaculik, M. Griffith, N. Lam, J. Wilson, and E. Lumantarna, Cyclic Response Of Unreinforced Clay Brick Masonry Walls. Australian Earthquake Engineering Society Conference, Albury, Victoria, Australia, 2005.