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Pinghu Fizhao Holiday Hotel Construction Project: Deep Foundation Pit Construction Scheme Provincial Expert Review and Demonstration Meeting

2019-04-17 16:16:22 Zhejiang Huayang Construction Co., Ltd. Read

Project Overview:

   On April 15, 2019, Zhejiang Huayang Construction Co., Ltd., Pinghu Fitzhao Holiday Hotel Co., Ltd., Zhejiang Haibei Survey Co., Ltd., Zhejiang Huayue Design Co., Ltd., and Zhejiang Great Wall Engineering Supervision Co., Ltd. held the proposed Pinghu Provincial expert review and demonstration meeting on the deep foundation pit construction plan of the Fitzhao Holiday Hotel in Shenzhen City. The construction project is located on the north side of Yongxing Road, the west side of Xinxing 3rd Road, and the south side of Wushayang Port in Pinghu Economic Development Zone. The project is mainly composed of hotels, podiums, ancillary buildings, underground garages, etc., with a total land area of 20,000 square meters Meters, the total construction area is about 129,414.91 square meters.


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Main units of all parties:

     Construction unit:Pinghu Fitzhao Holiday Hotel Co., Ltd.

      Survey Inspecting unit:Zhejiang Haibei Survey Co., Ltd.

      Design unit:Zhejiang Huayue Design Co., Ltd.

      Supervision unit:Zhejiang Great Wall Engineering Supervision Co., Ltd.

      Construction unit:Zhejiang Huayang Construction Co., Ltd.

      Foundation pit support design unit:Zhejiang Haibei Survey Co., Ltd.

  The entire foundation pit is rectangular, with a total circumference of approximately 550.0 m and an area of approximately 15319.1 square meters. The basement on the north of the N axis is on the third floor, and the basement on the south of the N axis is on the second floor.

  This design uses a relative elevation system, 0.000 is equivalent to the Yellow Sea elevation 3.520m. The relative elevation of the natural ground is -0.90m (equivalent to 2.620m in the Yellow Sea). The engineering piles are bored piles, the basement floor elevation is -9.50m (-2 floors) /-12.00m (-3 floors), and the floor elevation is -10.00m (-2 floors) /-12.50m (-3 Floor), the elevation of the bottom of the platform is -10.65 (-2 floors) 1-13.15m (-3 floors). Comprehensively consider the design calculation to take the elevation of the bottom of the platform, and the excavation depth of the foundation pit design calculation is 9.75m (-2 floors) /12.25m (-3 floors).

  The height difference of pits in water collection wells, elevator shafts and other pits ranges from 1.00m to 1.70m. The specific distribution of the bearing platform, ground beams and water collection tanks is shown in the project foundation drawing. Overview of foundation pit enclosure design The foundation pit adopts SMW construction method pile + two internal support enclosures, in which the first support is reinforced concrete support, and the second support is assembled steel support. The safety level of this foundation pit project is designed according to grade foundation pit. The safety level of deep foundation pit construction is first class.

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