 |
01. |
Poor Value Perception |
|
02. |
Poor Safety Awareness |
|
03. |
Ignorance |
|
04. |
Insufficient Knowledge |
|
05. |
Insufficient Analysis or Research |
|
06. |
Insufficient Prior Research |
|
07. |
Planning and Design |
|
08. |
Poor Planning |
|
09. |
Usage |
|
10. |
Operation/Use |
|
11. |
Bad Event |
|
12. |
Chemical Phenomenon |
|
|
|
Impossibility to cast concrete by use of high-performance AE ( Air Entrained ) water reducing agent under the freezing point.
|
|
