CIVIL ENGINEERING IN VIETNAM – CHALLENGES AND OPORTUNITES pps

CIVIL ENGINEERING IN VIETNAM –
CHALLENGES AND OPORTUNITES
Prof.Dr. Nguyen Truong Tien
f d f i i h l ( )
FF of ASEAN Academy of Engineering & Technology (AAET)
Vice President of Vietnam Engineers Register (VER) – VUSTA
Monitoring Committee (MC)
President VSSMGE
Deputy General Manager of Hancorp
Mobile: (+84)9 0340 5769
Email:
Vietnam has great demands in the development of
infrastructures, buildings, houses, factories and other type of
projects in difficult subsoil conditions and limited resources.
The engineering solution and new technology need to be
developed in foundation engineering and construction to
achieve
high
engineering
value,
by
increasing
the
quality
and
g
g g
y
g
q y
reducing the cost. This paper make the review and discussion

on the application and development of civil engineering and
technology in Vietnam. Achievements, innovations, lesson
learned as well as experiences from collapse and failure of
projects as well as challenges and oportunities in civil
engineering are presented, described
Vietnam
Macro Economic
• Area: 332 000 Km2
• Populations: 84 Millions
• Total GDP: 84 Billion USD
• GDP / Capita: 1000 USD
•
GDP Growth (
2009): 5
%
GDP Growth (
2009): 5
%
• Exchange Rate (2008):
17,714 VND per USD
• Total Number of Engineers :
More than 800 000
• Civil engineering
about 300000
Therefore it is necessary to develop and
adapt new engineering solution and
concrete technology in foundation and
construction for sustainable development

and for a better quality of life. Proposals
and
suggestions
on
the
above
subjects
are
made in this paper
Problem with the stability of
national highways and natural slopes
• Low quality of consulting services
• Severe natural and weather condition
Failure of Can Tho Bridge
Drilled hole position
and soil condition
Cantho Bridge
The temporary supports for construction (Axis 13-15)
Failure of temporary support due to the differential settxlement
(Report of National Committee 7-2008)
Steel supports: Steel column H350x350
Steel structure: The joint between columns and pile cap
is boltnut
The columns of the temporary supports
for construction (Axis 13-15)
1. Soft clay 2.Fine sand 3.Soft clay 4.Soft clay and organic soil
5.Fine sand 6.Clay
Soil condition under the foundation support system for the
temporary supports for construction
(Foundation pile : concrete pile 300x300 14 pile per

grillage Deepness about -37m)
Bridge pier (Axis 13-15 )
5 minutes before accident
on 26/9/2007
The temporary supports for
construction was collapsed
Research, Experience and
Warning accident
• The failure of Can Tho Bridge is caused by
different settlement between the principal piers
(13, 14, 15) and temporary supports for
construction. In the principal piers and the
bored pile to about 80 meters of depth is used,
in the temporary supports, driven pile of 37
meters
of
depth
are
used
However
during
the
meters
of
depth
are
used
.
However
during

the
construction, the temporary supports play the
role of principals piers. Those are supported
more load of concrete slabs
Lack of Expertise and code of Ethics
 Design and Standard
 Management and Projects
 Risk management
 Skill, knowledge of engineers
 New engineering solutions, technology and materials
 Corruption and Transparency
Institute of Social Science
HCM City
Pacific Project, HCM City
In Hanoi and Hochiminh cities, a lot of high
rise buildings are under construction. The
basements of 1 to 5 floors are excavated.
Failures and collapsed of nearby buildings are
occurred. The reasons of a failure are the
mistakes from soil investigation, design and
construction
of
diaphragm
wall
protection
of
construction
of
diaphragm
wall,

protection
of
water flow and soil movement as well as
management, quality control, quality assurance
and monitoring The consulting services in
many cases are not professional and lack of
ethic codes
Flooding, Climate change, severe natural conditions
• During the last 50 years, the average
temperature is increased C. Vietnam will be
one of 5 countries has serve impact due to the
rising of sea water level. If the sea water level
is
rising
1
m
flooding
will
occur
in
Red
and
is
rising
1
m,
flooding
will
occur
in

Red
and
Mekong Delta Rivers
Severe Weather Conditions
Surface water raises
up to 4m in flooding
area (11-2007)
Poor people and countries are more vulnerable to nature and
human induced disasters
Hazard x Vulnerability = Risk
(Nature or (Social, Economic,
Human Enviromental, Even
induced) political factors)
Climatology Population growth and Urbanization
Forecast Technology (EWS, Water
Forecast Technology (EWS, Water
Conservation Technologies)
Land use practices. Env. Degradation. Water use
Trends. Govt policiesEnv. Awarenes Capacity
(technical & institutional)
Tropical cyclones Tropical cyclone track
Flood in Ha Noi on 1/11/2008