SK Lao Dam Damaged Collapse Mystery Is not Design there any problem? 1
2018.08.19 Reporter Isonno
Were you supervising the auxiliary dam or not.
Industry officials are not exactly the possibility of poor design due
Industry officials are not exactly the possibility of poor design due
to different sounds, they do not reach the maximum flood volume.
Minority opinion is that there are almost no domestic dam design experts
Minority opinion is that there are almost no domestic dam design experts
and constructors.
Possibility of design change request and supervision problem emerged.
The supplementary dam is the main structure contract to be supervised.
Possibility of design change request and supervision problem emerged.
The supplementary dam is the main structure contract to be supervised.
While causing the collapse of the Laos dam as a cause of the collapse
of natural disasters due to force majeure natural disasters
and human disasters due to insufficient construction,
'If it is the cause of human disasters it is a natural disaster caused
by force majestic natural disasters and cause of Laos dam collapse
While the assertions of human disasters due
to insufficient construction are intermingled
'Give the educated guess that it is the cause of human disaster,
and another possibility is a design'
which is the departure stage of construction work.
Assuming that the design drawings themselves were made
so that safety could not be guaranteed,
it can be presumed that even
if the constructor SK construction side proceeded
with construction more faithfully it could not prevent the dam collapse.
Of course, SK construction has the ultimate responsibility for dam construction,
Of course, SK construction has the ultimate responsibility for dam construction,
and there is no big difference in the location of responsibility.
Still, raising the possibility that there is a problem
in the implementation design after the accident
I can hardly hear experts' voices.
I can hardly hear experts' voices.
Not so much industry experts are responsible for the cause
of the accident, not a design problem,
placing a lot of responsibility on construction defects.
Although be permanently stationed surveillance has been given an opinion
that the superintendence department
of general large civil engineering works is not responsible,
be permanently stationed superintendence can not be found,
in case of poor construction,
superintendence is Also responsible for the accident.
Specialists in construction engineering, civil engineering professors, representatives
of dam development companies,
construction and supervision industry officials unanimously
"The possibility of dam collapse due
"The possibility of dam collapse due
to insufficient design is extremely unusual case".
We will not look directly at the design drawing of the implementation,
will not produce the result of the accident cause, on the premise
of a careful position,
"Looking at only the situation so far,
"Looking at only the situation so far,
construction and supervision problems
are more likely to cause accidents than implementation design."
"It was confirmed that precipitation amount and flood volume
at that time did not reach the maximum design value" in particular.
① Is it natural disaster or human disaster
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② Was there no design problem
... 'auxiliary dam' Omitted was also supervised objects.
③ Has the dam construction and construction capacity been sufficient.
④ Is it possible to claim insurance.
③ Has the dam construction and construction capacity been sufficient.
④ Is it possible to claim insurance.
Dam construction industry officials have made an opinion that the possibility
of poor design is not big cause of Lao Dam accident cause.
Design industry, inadequate design is impossible。
The accident occurred Xepian-Xe Nam Noy Dam Participants
The accident occurred Xepian-Xe Nam Noy Dam Participants
in the construction engineering company
"Sam An" who participated in the dam design bid for
the hydropower station talked in a tone of confidence
that there was no problem in the implementation design process.
This official,
Assertively saying,
Assertively saying,
"There is absolutely no mind to collapse while designing the dam",
"If the conclusion comes up with" human disaster ",
the construction problem will be a direct cause of collapse I will.
The height of the top of all of the dams and sub-dams is the same,
The height of the top of all of the dams and sub-dams is the same,
but only one sub-dam has settled, and the water overflowed.
I think that there is a problem in the broken dam by all means.
Generally, if the degree of dam rises, it will release the subsidiary canal,
Generally, if the degree of dam rises, it will release the subsidiary canal,
but when designing the dam,
the water will overflow even if placing about 2 to 3 m
(placing a margin higher than the plan high water level)
There is no other thing to doubt construction and operation management
that the accident happened.
We asked the design work of the dam from
We asked the design work of the dam from
the SK construction through bidding and carefully expressed
the opinion that the design of the drawing design engineering side
who actually implemented the implementation design had no problem. "
Design drawing engineering officials
"Basically, design with various data.
Even in the design process, construction comes in after various verifications.
Currently, because the cause of the accident is being investigated,
"Basically, design with various data.
Even in the design process, construction comes in after various verifications.
Currently, because the cause of the accident is being investigated,
it is difficult to tell you a detailed story,
"while carefully speaking, the design clunged the position
which was done as usual.
"Took charge of implementation design
I tried to contact(Co., Ltd.) Yushin(維新 )side several times,
I tried to contact(Co., Ltd.) Yushin(維新 )side several times,
but did not respond to the interview. "
The Government of Laos judges the cause
of SK construction aid dam as a human disaster.
Civil engineers etc. Possibility of poor design The same words as low
Civil engineers and others showed similar opinion.
Isu Gonsoul professor of large civil engineering department
Civil engineers etc. Possibility of poor design The same words as low
Civil engineers and others showed similar opinion.
Isu Gonsoul professor of large civil engineering department
"It is difficult to make a superficial judgment only for serious cases
that this accident will affect national creditworthiness.
The drawing of Yushin who participated
The drawing of Yushin who participated
in the design received high evaluation in both industries.
Although there is no possibility at all, it is not a design problem
Although there is no possibility at all, it is not a design problem
and the possibility of defective construction is high.
In fact, I know that SK Construction left all construction
In fact, I know that SK Construction left all construction
to a subcontractor (Sam Hoong(三換（サムホヮン）企業)) company
and managed and supervised, but this manufacturer already knows
that in June last year, together with most equipment on site I withdrew.
Although it seems that SK construction had already confirmed
Although it seems that SK construction had already confirmed
the settlement phenomenon before the accident and recognized
the possibility of a major accident, the equipment and personnel
who collected the accident might not have been suitable ",
the possibility of accident by design It is not big.
Mun Young Il Seoul municipal large civil engineering work Professor
of each department,
"It is difficult to mention the location of responsibility
"It is difficult to mention the location of responsibility
in the situation under investigation of the cause of the current accident.
The possibility of an accident caused by design is not large.
When designing the dam, we examined the accident data
The possibility of an accident caused by design is not large.
When designing the dam, we examined the accident data
to reflect the maximum possible precipitation
(PMP · Probable Maximum Precipitation) and the maximum possible flood volume
(PMF · Probable Maximum Flood), and as a result,
the precipitation and the flood volume are all maximized
We did not reach the value. "
"At the time of the accident,
it is impossible to pass responsibility
to design just not to exceed PMP and PMF
It is very difficult to make the cause of accidents natural disaster
It is very difficult to make the cause of accidents natural disaster
if we look at current situation only. "
However,
some experts in the dam construction industry point out design problems
from different angles.
C, Mr. Dam design expert
"In the domestic, we did not build a dam for a long time.
So there were few designers specialized in dams and dedicated
to training the young.
Besides, there is a possibility that the constructor
Besides, there is a possibility that the constructor
who ordered the design intervened in the elements of the design
and tried to reduce the design and construction expenses) "
and did not eliminate the possibility of defective design.
Dohwa engineering side said,
"Design through diverse data and various verification processes",
but refrained the words against the cause of the Lao Dam accident.
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