CONCRETE
Analysis as to original concrete
Materials: Plain concrete + Steel plate
- Instability of durability (Strength)
- Frequent fault about horizontality and flatness from base frame occurs
- Vulnerable to defect due to corrosion on steel plate
- In case of big and expensive water tank, accumulated weight on top of slab increase due to concrete base
Method to construct: Mold → Pouring concrete → Curing → Mortar plastering → Curing
- Construction period to install base concrete: over 30days / 500 ton
- Tight schedule for construction period is required, frequent quality defect occurs
- Excessive cost for construction is needed, it is ineffective.
WATER TANK
CONCERN AS TO BASE FRAME OF WATER TANK
Difficult to keep 100% horizontality and flatness for base frame
→ Even if a little tiny bit of horizontality is needed, this system can keep finest horizontality and flatness.
Corrosion occurs due to failure for horizontality from concrete
→ Because it has a function to keep horizontal, it doesn’t need to use pieces of iron and it utilizes materials based on corrosion resistance.
30days for construction is needed against tight construction schedule.
→ With just 1 day, 1000ton water tank could be installed.
Too much expense for dry construction method is needed.
→ It makes construction cost decreased with 30% in average
Accumulated weight on roof is increased due to water tank base frame.
→Thanks to dry construction method, weight lightening is possible and reduced construction cost is expected.
