|Category||Steel pipe||Smart Post|
|Strengths||1. Most workers are familiar with this product.
2. It is very convenient because normal steel pipes are cut and used.
|1. This product has standardized specifications as per a construction
2. Its constructability is 1.7-times faster than that of a steel pipe under normal compaction conditions.
3. It is very durable and can be reused. In addition, it has high support strength and hence can be firmly fixed.
4. It is easy to install on the normal ground.
|Weaknesses||1. Once it is used as a support pipe, it cannot be
2. If a construction site°Øs soils are firm, a corresponding installation time will be lengthened.
|1. Additional costs are incurred for separate materials other than steel
2. This product is unfamiliar to most workers.
A. Smart Post 1.5m-drilling
B. Short-tube pipe 2m-drilling
C. Drilling results
|Drilling depth||Time||mm/sec||Drilling depth||Time||mm/sec|
|Smart Post average||32.5||Steel pipe average||18.2|