Slav ,of Judgment Pending Appeal: Avoid the Appeal-Bond Trap
Rat trap bond
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Transcript of Rat trap bond
![Page 1: Rat trap bond](https://reader035.fdocuments.us/reader035/viewer/2022062522/58abe9c71a28ab504e8b50f1/html5/thumbnails/1.jpg)
Estimation Of Rat-trap Bond
“Economical solutions to all brick masonry walls”
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Masonry ??
“masonry means work done by masons”
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Basic Terms in Masonry
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Conventional Bonds Using in India
Flemish Bond English Bond
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Proposed Bond
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Why go for Rat-trap bond ?
1. Economical 2.Thermal Insulation
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Why go for Rat-trap bond ?
3. Light weight 4. Earthquake resistance
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Why go for Rat-trap bond ?
5. Sound proof 6. Fire resistance
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Why go for Rat-trap bond ?
7. Environmental Friendly 8. Energy Saving
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Estimation
1. Strength
S.No. Description Brick Strength () Initial Crack Ultimate
Load (kN) Stress () Load (kN) Stress ()
1. Rat-trap Bond 5.6914 204 1.166 252 1.642
2. Conventional Bond 5.6914 208 1.152 285 1.698
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2. Material Saving ( for 1)
S.No. Description Bricks Quantity of Sand (for 1:6 mix) Quantity of Cement (for 1:6 mix)
1 Rat-trap Bond 84 0.0295 0.142 bags
2 Conventional Bond 100 0.0641 0.308 bags
• 16% of bricks are less used.• 54% of sand is less used.• 57% of cement is less used.
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We are still working on the model…
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