This document describes a fibre reinforced concrete panel called "Sitaldevi Panel" created by Roman Man Shrestha. The panel aims to address the need for reconstruction and rehabilitation projects in Nepal after the 2015 earthquakes. It uses locally available materials like rice husk ash and human hair to improve the strength and ductility of concrete and prevent cracking. A business model and pricing analysis is presented, showing the panel provides advantages over traditional brick like lower emissions and easier installation. Comparisons to other building materials are provided. The creator thanks advisors and teachers for their support and hopes the panel can help address labor needs through its properties.
1. FIBRE REINFORCED CONCRETE PANEL
“SITALDEVI PANEL”
BY
Roman Man Shrestha(012-835)
Advisor
Asst. Prof. Ajay Khadka(Composition)
Prof. Dr Tek Raj Gyawali(Structure)
Prof. Sabitri Tripathi(Pandey)(Research in Hair)
3. WHY WE NEED SUCH PROJECT?
140.66 billion for the
post-earthquake
reconstruction and
rehabilitation
7 Province with
several
Development
Project
Think outside of Box Create some
opportunity for
migrated Labor
4. Let’s Review
• Properties of Plain Cement Concrete.
CONCRETE
Brittle in Nature
Microscopic Cracks/Shrinkage
Spalling of Concrete
6. WHY HAIR FIBER?
• Addition of Fiber to concrete can solve Problem of cracking, spalling etc.
• Makes more homogeneous and Isotropic and Transforms Brittle to more
Ductile material.
• Bumps of Hair help to lock cement Mortar and hair cords so that cracks can
be removed
• Hair have Keratin which is a proteins with long chain of Amino acids that
form a cycloskeleton in outer shell.
• As Nano size bumps help to lock cement mortar with hair cords which
prevent microscopic cracks.
WHY HAIR?, WHY IN NEPAL? FIBER
HISTORY
8. Why Rice Husk Fly Ash?
• Locally Available from Industries
• One ton of Paddy generates 200 kgs of Husk
• 200 kgs of Husk gives 50 kgs of Ash
• The ash contains 80~90% Silica (i.e.) 40 kgs silica per ton of paddy
• As silica gives strength to the cement due to the formation of
dicalcium and tricalcium silicates
19. Description Quantity Rate Total
Sitaldevi Prefab Panel
4”
82*14 298 3,42,104
Miscellaneous
(Transportation, Labor
etc.)
50,000
Total Rs 3,92,104
Price Calculation for Sitaldevi Prefab Panel 4”
Description Quantity Rate Total
Brick 9815 18 1,76,670
Cement (53.15+10.64)=63.79 915 58,367.85
Sand (260.
472+52.164)=312.636
(300cuft=Rs 25000) 26,053
Miscellaneous like Painting,
Labors, scaffolding etc.
- - 1,00,000
Total Rs 3,61,090
Price Calculation for Brickwork
Description Quantity Rate Total
local panel of
90mm=3.55”
76*15 450 5,13,000
Price Calculation for local panel of 90mm=3.55”
20. Product
Interlocking Hollow
Block Eco panel AAC Block Hair panel Normal Brick
Minimum compressive
strength 5.41 Mpa (800psi) 4.57Mpa 3Mpa 10Mpa 9.54Mpa
fire resistance Yes Yes Yes
Class
1(surface spread test) Yes
Finishing Not so good Crack in joint Level displacement
Use of hot glue and
compound Level management
Manpower Skilled skilled Skilled
Not so much skilled
needed. Skilled
Installation time Medium Short Long Short Long
Earthquake Resistance No Yes Yes Yes Normal Brick
Insulating
properties/Energy
Saving Medium High Medium High Medium
Dry Density 1600kg/m3 650kg/m3 750kg/m3 721kg/m3 1800kg/m3
Usability Maxm Wastes in re-use Re-usable Maxm Wastes in re-use Re-Usable Maxm Wastes in re-use
Thermal conductivity
KW -M/C 1 *not given 0.16
0.00035999999999999
9* 0.81
Availability 12 month 12 month 12 month 12 month seasonal
NO's of Item for
0.74635m3 and
73.25sqft
102nos(177.8*406.4*10
1.6) 4.88nos(2*7.5)sqft
27nos(660*204*204)8"
*8"*26" 5.23nos(2*7)sqft 537nos(230*110*55)
Rate Per piece Rs 55
Max'm High(75mm-Rs
390sqft) Per piece Rs 320
Moderate(60mm- Rs
150sqft) High per piece Rs 18
COMPARISION OF SUBSTITUTE PRODUCT
22. PESTLE ANALYSIS
• Fluctuation in Law and rules.
• Change in Bylaws and policy according to Coming states
POLTICAL
• Labor and Energy Cost
• Fluctuation in Price of Plants and Equipment and Construction Goods
ECONOMY
• Many Festivals and Holidays
• Local strike
SOCIAL
• Emerging Technologies
• New technology like Interlocking Brick, Polysporene Panel
TECHNOL
OGY
• 8hrs working Schedule
LEGAL
• CO2 emission of brick is 838.241gm and Panel is estimated to be
around 90 gm.
ENVIRON
MENTAL
23. Porter's Five Forces
- Many suppliers
- Many Alternatives
- for suppliers
- Able to change
- Able to substitute
- Low Barriers to Entry
- Too Expensive to Enter
the industry
- High Operating Cost
- Few Product
- Very large Orders
- Ability to
substitute
- Many substitutes
24. WHY SITALDEVI PANEL?
1. Energy-saving
2. Light weight
3.Easy to install
4. Environmental protection, as CO2 Emission is less
5. Area-saving: Compared by brick
6. Waterproof and damp-proof:
7. Fire-proof:
8. Sound-insulation
9.Saves Human Resources.
