The third project management department of Kunming Rail Transit Line 2 phase II construction general contracting project

The foundation pit of No

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2) There are 396 SMW construction method piles for the auxiliary enclosure structure of Liujia station, with a total of 396 open piles, with a completion rate of 100%

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10) The third concrete support of the main structure of Baofeng village station is 67 in total, 67 in total, with a completion rate of 100%

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1 wind Pavilion and entrance and exit d), of which 0 were completed today and 68 were opened, with a completion rate of 41.0%

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6) There are 190 uplift piles for the main enclosure structure of baofengcun station, with a total of 190 piles, with a completion rate of 100%

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Implementation of Risk Engineering 1

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1 wind Pavilion of the auxiliary enclosure structure of gongjiacun station (No

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The deepest foundation pit is 11.89m

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B entrance and exit and No

. Lifting Foot Anchor

7) There are 76 dewatering wells in the main structure of baofengcun station, with a completion rate of 100%

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5) The earth excavation of the foundation pit of the auxiliary structure of Baofeng village station is 9400 m3, with a total of 8600 m3 (including 4200 m3 for entrance C, 3900 m3 for entrance D and 500 m3 for fire pump house), with a completion rate of 91.5%

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3) There are 269 isolation piles for the main enclosure structure of Baofeng village station, with a total of 269 open piles, with a completion rate of 100%

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At present, the excavation has been completed, with a total excavation of 3900 m3

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13) The fourth steel support of the main structure of Baofeng village station is 36 in total, with a completion rate of 100%

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The soil layers within the excavation depth of the foundation pit include quaternary artificial fill, 2-2 peat soil, 3-3 silty clay, 4-3 silty soil, etc

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The maximum depth of the foundation pit is 12.28m

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The excavation of the deep foundation pit of the fire pump house of the auxiliary structure of Baofeng village station belongs to class II risk

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3) There are 34 steel supports for the first auxiliary structure of Baofeng village station, including 28 open ones (including 15 at entrance C and 13 at entrance d), with a completion rate of 82.3%

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5

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4) There are 161 underground diaphragm walls of the main enclosure structure of baofengcun station, with a completion rate of 100%

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The deepest foundation pit is 11.37m

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2 wind Pavilion of the auxiliary structure of Liujia station: the excavation was started on April 20, 2021

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The maximum depth of the foundation pit is 7.973m

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02 risk control 1 risk situation in the implementation cycle   1

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3 risk engineering deformation index   1

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5) There are 134 lattice columns in the main enclosure structure of Baofeng village station, with a completion rate of 100%

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     Daily report of the third project management department of Kunming Metro Line 2 phase II general contracting project on August 31, 2021   Tuesday   Qing 01 project overview 1

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14) The total earthwork excavation of the main structure of Baofeng village station is 243368m ³, Kailei 243368m ³, The completion rate is 100%

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2

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The excavation of the deep foundation pit of No

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12) The third steel support of the main structure of Baofeng village station is 18 in total, with a completion rate of 100%

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2) There are 6814 pieces of foundation reinforcement for the main enclosure structure of baofengcun station, with a completion rate of 100%

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The base is mainly located in peat soil layer

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The foundation pit is protected by SMW construction method pile

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Auxiliary structure of the Convention and Exhibition Center Station 1) there are 4818 triaxial mixing piles for the auxiliary enclosure of the Convention and Exhibition Center Station, with a completion rate of 100%

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Foundation pit of auxiliary structure fire pump house of Baofeng Village Station: preparation stage before excavation

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3) there are 834 bite piles in total and 834 in total, with a completion rate of 100%

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The soil layers within the excavation depth of the foundation pit include quaternary artificial fill, 2-2 peat soil, 3-3 silty clay, 4-3 silty soil, etc

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4

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4) The earth excavation of the foundation pit of the ancillary structure of the Convention and Exhibition Center station is 83184m in total ³, Kailei 83184m ³, The completion rate is 100%

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Auxiliary structure of Liujia station 1) there are 207 uplift piles in total for auxiliary enclosure structure of Liujia station, with a completion rate of 100%

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4

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4

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1 wind pavilion has been completed), with a completion rate of 59.4%

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2) There are 45 uplift piles for the auxiliary enclosure structure of Baofeng village station, with a total of 45 piles (including 22 at entrance C, 17 at entrance D and 6 at fire pump house), with a completion rate of 100%

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3

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1 wind Pavilion of auxiliary structure of Liujia station: the excavation was started on May 1, 2021

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The excavation of deep foundation pit at the entrance and exit of Annex C of Baofeng village station belongs to class II risk

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The foundation pit is protected by SMW construction method pile

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5) The earth excavation of auxiliary structures of Liujia station is 25258m in total ³, Kailei 25258m ³, The completion rate is 100%

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The base is mainly located in peat soil layer

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1 wind Pavilion of the auxiliary structure of Liujia station belongs to class II risk

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4) The second steel support of the auxiliary structure of Liujia station is 40 in total, with a completion rate of 100%

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The soil layers within the excavation depth range of foundation pit include 3-3 peat soil and 5-2 silty sand

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2

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The soil layers within the excavation depth of the foundation pit include 3-3 peat soil and 5-2 silty sand

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Foundation pit at entrance and exit of auxiliary structure C of Baofeng Village Station: there is no deformation index at present.

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1 wind Pavilion and D entrance and exit), and there are 79 in total (No

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2

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2) The three-axis base reinforcement of No

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The foundation pit at the entrance and exit of ancillary structure d of Baofeng Village Station: the excavation was started on July 19, 2021

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2) There are 97 diaphragm walls in total and 97 in total, with a completion rate of 100%

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1 wind Pavilion of the auxiliary enclosure structure of gongjiacun station is 275 in total, with a completion rate of 100%

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5

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the base is mainly located in peat soil layer, and the foundation pit is protected by bite pile

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2 wind Pavilion belongs to class II risk

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11) There are 18 second steel supports for the main structure of Baofeng village station, with a completion rate of 100%

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8) The first concrete support of the main structure of Baofeng village station is 77 in total, with a completion rate of 100%

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5

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At present, the excavation has been completed, with a total excavation of 4200 m3

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4) There are 32 steel supports for the second auxiliary structure of baofengcun station, with a total of 26 open (including 14 at entrance and exit C), with a completion rate of 81.3%

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Auxiliary structure of Baofeng Village Station 1) there are 278 bite piles for auxiliary enclosure structure of Baofeng village station, with a total of 278 open piles (118 at entrance C, 101 at entrance D and 59 at fire pump house), with a completion rate of 100%

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3) There are 77 steel supports for the first auxiliary structure of Liujia station, with a completion rate of 100%

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3) There are 166 SMW construction method piles for No

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Auxiliary structure of gongjiacun station 1) there are 133 triaxial cement soil mixing piles for the auxiliary enclosure structure of gongjiacun station (No

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9) The second concrete support of the main structure of Baofeng village station is 67 in total, with a completion rate of 100%

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the base is mainly located in the silty soil layer, and the foundation pit is protected by bite piles

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The excavation of deep foundation pit at the entrance and exit of ancillary structure d of Baofeng village station belongs to class II risk

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The maximum depth of the foundation pit is 10.659m

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The excavation of deep foundation pit at the entrance and exit of auxiliary structure B of Liujia station and No

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At present, the excavation has been completed, with a cumulative excavation of 9800 m3

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Foundation pit of No

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The soil layers within the excavation depth range of foundation pit include quaternary artificial fill, 2-2 peat soil, 3-3 silty clay, 4-3 silty soil, etc

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3

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Main structure of Baofeng Village Station 1) there are 1010 pieces of groove wall reinforcement of main enclosure structure of Baofeng village station, and 1010 pieces have been opened, with a completion rate of 100%

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2

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Foundation pit at the entrance and exit of auxiliary structure C of Baofeng Village Station: the excavation was started on July 6, 2021

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The base is mainly located in peat soil layer, and the foundation pit is protected by bite pile

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15) There are 14 sections in total for the bottom plate construction of the main structure of baofengcun station, including 14 sections in Kailei, with a completion rate of 100%; There are 14 sections in the middle plate, including 14 sections, with a completion rate of 100%; There are 14 roof sections in total, including 14 sections, with a completion rate of 100%; There are 14 sections of the side wall on the second floor of the basement, and 14 sections have been completed in total, with a completion rate of 100%; There are 14 sections of the side wall on the first basement floor, and 14 sections have been completed in total, with a completion rate of 100%

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At present, the excavation has been completed, with a total excavation of 8000 m3

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