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Old April 18th, 2015, 10:17 AM   #1141
solarday
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Old April 19th, 2015, 01:10 AM   #1142
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Let the concrete casting begins =P
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Old April 19th, 2015, 01:16 AM   #1143
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A beautiful skyscraper for a beautiful city.
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Old April 21st, 2015, 04:26 PM   #1144
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Photo: Nikolay Ivanov
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Old April 24th, 2015, 08:55 PM   #1145
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Some interesting technical details.

Quote:
Originally Posted by CemenTT View Post
Concreting of the Bottom Plate of the Box-Shaped Foundation of the Lakhta Center Tower

On March 27, 2015 GUINNESS WORLD RECORDS adjudicator handed over a certificate for a new GUINNESS WORLD RECORDS title for largest continuous concrete pour to the directors of Lakhta Center, the company dealing with the project. The GUINNESS WORLD RECORDS title was established during the pouring of the lower slab of the foundation of Lakhta Center Tower which lasted from 8pm February 27 until 9pm March 1, 2015. 19,624.0 m (25,667.22 yd) concrete mix was laid in the foundation within 49 hour continuous concreting, which exceeds the existing GUINNESS WORLD RECORDS title at over three thousand cubic meters.

The Tower building of the Lakhta Center multifunctional complex is 462 m hight and comprises 86 aboveground and 3 underground floors. The underground floors have a shape of an equilateral pentagon in plan, and each side is 57.25 m long. The construction of the underground floors of the building forms the box-shaped foundation, comprising the 3.6 m thick bottom slab, the 2.0 m thick top plate, the central structural core 28.5 m in diameter and 10 vertical stiffening diaphragms with the total height of 16.6 m. The peculiar feature of the structural layout of the Tower building is the circular central structural core, which receives most of the vertical load (about 70% of all vertical loads on the building). As a result, a large proportion of the building weight is transferred onto a small section of the foundation within the limits of the central core. The box-shaped foundation leans through a concrete bed upon the pile foundation of 264 two-meter piles 55 and 65 m long and performs the function of even load distribution from the core of the tower onto the pile foundation.

The carried out calculations showed, that the bottom plate of the box-shaped foundation experiences a great stretching stress: axial tension 2300 t/m, and bending moment 2150 tm/m. The total volume of concrete in the box-shaped foundation is about 46 thousand m.

Proceeding from technological considerations, according to its construction sequence the whole structure is nominally divided into three parts:
phase one the bottom cast-insitu reinforced concrete raft of about 20.3 thousand m;
phase two the central part of the foundation of about 15.5 thousand m, comprising the cast-in-situ structures of reinforced concrete walls made from compressive strength class B80 concrete and reinforced concrete floor slab thickness of 0.40 m made from compressive strength class B60 concrete;
phase three the top cast-in-situ reinforced concrete slab thikness of 2.0 m and volume about 10.5 thousand m made from compressive strength class B80 concrete.

The bottom cast-in-situ pentagonal reinforced concrete slab of the boxshaped foundation rests on a reinforced concrete bed at the elevation of 21.250 m, the top of the slab at the level of 17.650 m. The slab is designed to be made from compressive strength class B60 concrete; water tightness grade W8 and frost resistance grade F150.

The bottom foundation slab is reinforced with the help of class A500C working reinforcement 32 mm in diameter. The reinforcement cage consists of 15 horizontal grids with 150 mm spacing of the rods, which are evenly distributed along the height of the slab. The distance between the horizontal grids heightwise ranges from 200 to 300 mm. The average consumption of reinforcement is 452 kg/m. The protective concrete cover 68 mm. An anti-shrinkage C-1 BP-1 grid with a 100 100 mm mesh is set in the protective concrete cover at a 25 mm distance from the slab surface.

tallbuildings.ru
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Old April 26th, 2015, 05:54 AM   #1146
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very organised and, big construction site
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Old April 26th, 2015, 07:56 PM   #1147
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very organised and, big construction site
Yes it looks so clean and tidy almost like a sim city render
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Old April 30th, 2015, 03:46 PM   #1148
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Old April 30th, 2015, 04:29 PM   #1149
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This tower has the potentials of becoming an international landmark!
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Old May 13th, 2015, 05:58 PM   #1150
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Hello!
Some official infographics about the project.


Observation Deck



Lifts of Complex


Tower Foundation



All Facilities of Complex



Others infographics translate in English?
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Old May 13th, 2015, 07:28 PM   #1151
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wonder why they left out the sears tower
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Old May 14th, 2015, 10:59 AM   #1152
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New render (competition announced for the design of the lettering)

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Old May 14th, 2015, 02:49 PM   #1153
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Old May 14th, 2015, 03:06 PM   #1154
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Quote:
Originally Posted by SkyLinePana View Post
wonder why they left out the sears tower
because then the diagram would include an American observation deck higher than Mother Russia
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Old May 14th, 2015, 04:23 PM   #1155
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Quote:
Originally Posted by GeoDude View Post
because then the diagram would include an American observation deck higher than Mother Russia
lol
really? I guess they just forgot to include it.
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Old May 14th, 2015, 05:13 PM   #1156
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then they also forgot about the Shanghai World Financial Center
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Old May 14th, 2015, 05:24 PM   #1157
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Last edited by solarday; May 14th, 2015 at 06:56 PM.
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Old May 15th, 2015, 03:06 AM   #1158
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little more relevant picture
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Old May 25th, 2015, 06:10 AM   #1159
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Quote:
Originally Posted by solarday View Post

~from russian forum
Looks like structure is starting to form upwards somewhat.
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Old May 25th, 2015, 05:35 PM   #1160
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Quote:
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then they also forgot about the Shanghai World Financial Center
And the 102 floor observation deck at the empire state building.
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