Page 37 - World Of Nurol Magazine-26

according to assumptions called return describe that; we embed a reinforced first was the incrementally launching
period to which the static calculators concrete apartment with a size of 8 x 21 with the push method. We solved 1,123
have a better command of. There are meters, up to 22 meter down into the meter section of the bridge deck, by the “Success had
return periods for 150 years, 1000 ground. This was done with the method method of incrementally launching with four steps.
years and 2 thousand 475 years. That of filling the holes dug at the required the push method. It was very difficult to Dreaming,
means; an earthquake with occurrence width same as the pile structures. This do that upward with 3.5 % inclination.
possibility of every 150 years, with method is commonly used, especially in At the juncture with the bridge, owing believing,
occurrence possibility of every 1000 the Far East countries in the world those to the deck route is flattened by leaving working
years and with occurrence possibility are accustomed to earthquakes. radius, we could not perform the last two hard and
of every 2 thousand 475 years, Of span with the incrementally launching,
course there is no record for an On this reinforced foundation, we are tied so, eventually we choose the heavy share. The
earthquake with occurrence possibility with a embedded anchorage structure, lifting method that is the second critical item I have
of 2 thousand 475 years. Moreover, and the structure is fully welded from its construction technique. to explain
the theories of earthquake return steel piers. There is no fixed connection
period for 1000 years and 2 thousand between the pier and bridge deck, there As far as we know, a world mostly was
475 years are available in the design are seismic isolation equipment such as record was broken in the to share.
criteria in 10 years. If this bridge has lead rubber bearings spherical bearings project. Would you explain
been constructed 15 years ago, that and hydraulic dampers. In this sense, the “manufacturing, joining No success
maybe would have been made for an South Approach Viaduct will be the and driving processes? is possible
earthquake for 150 years. most technologic bridge in Turkey. without
The structure consists of 32 thousand sharing. We
We are constructing this bridge Can we get information 500 tons of steel, including the footing,
for 99 years lifetime and design so about the difficulties you The production of this steel structure was overcome
as to withstand for an earthquake have encountered, used designed with the orthotropic section, every
with occurrence possibility of materials and their sizes, by separating first to modular parts and difficulty
2 thousand 475 years, along 99 during the construction of then to the sub component parts that
years. The structure does not collapse viaduct? can be transported by land from the we’ve
even under the worst conditions. production facility. All of the steel plates encountered
In the earthquake with occurrence The biggest arduousness is not having have been imported from Italy and only by believing
possibility of 2 thousand 475 years, a similar example of this viaduct in for raw material transfer, thousands of
failure of individual components may the world. The route had been offset TIR transportation were used. All designed these items
occur to closure of the traffic, on the with a 2 thousand meter radius in panels were unique and therefore the from the
other hand, in the possibility of an order to be in harmony the natural needed sub-components were requiring a moment we
earthquake for 1000 years, there is a structure of the Hersek peninsula wild comprehensive manufacturing and logistics
design that withstands and durable life that provides breathing-space for planning so as they have to be supplied started the
against to the said earthquake that migratory birds at Hersek Lake. when needed. construction
enables repair works without closing of the
traffic. In the earthquake for 150 years We had to develop very fast solutions. This planning was started by determining
our bridge by no way been affected. For this purpose we chose two critical the point where every steel plate project.”
construction techniques with our purchased would be used, the production
The South Approaching Taiwanese design firm Wiecon. The was planned.
Viaduct is very close to the
North Anatolian Fault that
is one of the world’s activist
seismic regions. What are
the precautions taken in
this regard?

Being so close to the North Anatolian
Fault, was one of the most tough
side. The Gölcük earthquake in
1999, gave a lot of lessons to the
construction sector. One of these most
important lessons was the demolition
of the structures due to the structures
on the piles which were subjected to
individual fragmentation due to the
piles were independent from each
other. During the bidding period, as a
consequence of additional soil surveys
we have that done at each corner of
foundations on which each leg would
be lodged, we made the foundation
structure that looks like pile, with
diaphragm base, which is integrated
with each other as bearing structure.
This is the first time in Turkey was Erol BUYURGAN, Semih KAYAALP, Melih KAYAALP, Gürhan ÇARMIKLI, Oğuzhan ÇARMIKLI ,
applied in this project. If we roughly M. Oğuz ÇARMIKLI, K. Yavuz BATUM, Bülent ERDOĞAN, Levan VARSHALOMIDZE
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