Patents Assigned to CCCC FIRST HARBOR ENGINEERING CO., LTD.
  • Patent number: 12215470
    Abstract: The present application provides a water replacement type storage field construction method, including the following steps: construction of a water-stop enclosure; construction of drainage after enclosing: after enclosing the water-stop enclosure, draining water in an enclosed range of the water-stop enclosure, exposing a pit, so as to form dry construction condition; construction of a stacking yard: under the dry construction condition, constructing the stacking yard on the pit, including constructing a lower low-level terrace and a higher high-level terrace; wherein the low-level terrace is lower than an average water level at an outer side of the water-stop enclosure, the high-level terrace is able to be used for walking a stacking-reclaiming device, and the stacking-reclaiming device is able to convey material to or from warehouses; and construction of the warehouses: constructing warehouses on the low-level terrace.
    Type: Grant
    Filed: May 3, 2024
    Date of Patent: February 4, 2025
    Assignee: CCCC FIRST HARBOR ENGINEERING CO., LTD.
    Inventors: Wei Pan, Yiyong Li, Zengjun Li, Fanli Meng, Naishu Zhang, Jinfang Hou, Chuang Du
  • Patent number: 12180668
    Abstract: Method for predicting a stability of a steel cylinder including: in response to the steel cylinder tilting toward a seaward side at an arbitrary rotation point, obtaining a safety factor for the steel cylinder tilting toward the seaward side by determining an anti-tilt moment and a tilt moment when the steel cylinder is tilted to the seaward side; under a same rotation point, in response to determining that the steel cylinder is rotated toward a land side, determining the safety factor for the steel cylinder tilting toward the land side; taking a smaller safety factor as the safety factor under the rotation point; re-selecting a new rotation point, determining a safety factor corresponding to the new rotation point, and taking a safety factor with a smallest value among all rotation points as a final safety factor; and generating, based on the final safety factor, an anti-tilt instruction.
    Type: Grant
    Filed: April 23, 2024
    Date of Patent: December 31, 2024
    Assignees: TIANJIN PORT ENGINEERING INSTITUTE CO., LTD. OF CCCC FIRST HARBOR ENGINEERING CO., LTD., CCCC FIRST HARBOR ENGINEERING CO., LTD., TIANJIN PORT ENGINEERING QUALITY TESTING CENTER CO., LTD.
    Inventors: Changyi Yu, Wei Pan, Yiyong Li, Naishou Zhang, Yonghua Cao, Aimin Liu, Changxi Yue, Xiaoqiang Kou, Zhijun Chen, Binbin Xu
  • Patent number: 12163305
    Abstract: The present application relates to an installation method for a closure joint of an immersed tunnel, and belongs to the technical field of closure joints; the installation method comprises the steps: establishing a first coordinate system; distributing feature points; installing the N+2 tube coupling; installing an N+1 tube coupling and pushing out a push-out segment; wherein, the first coordinate system is established at a tail end of an N+3 tube coupling, breakthrough points N+1S and N+1W are distributed at a head end and a tail end of a N+1 tube coupling respectively, breakthrough points DS and DW are distributed at a push-out segment, and breakthrough points N+2S and N+2W are distributed at a head end and a tail end of a N+2 tube coupling respectively; and coordinates of the breakthrough points DS, DW, N+1S, N+1W, N+2S, N+2W in the first coordinate system are calculated respectively; the installation method can improve the installation accuracy of the closure joint and is easy to operate.
    Type: Grant
    Filed: August 12, 2024
    Date of Patent: December 10, 2024
    Assignees: CCCC FIRST HARBOR ENGINEERING CO., LTD., NO. 2 ENGINEERING COMPANY LTD. OF CCCC FIRST HARBOR ENGINEERING COMPANY LTD.
    Inventors: Yiyong Li, Naishou Zhang, Yipin Cheng, Chao Zhang, Xuhong Suo, Zhanwei Han, Zhenjie Tao, Yongshuai Zhu, Bo Yu, Chuang Du
  • Publication number: 20240279899
    Abstract: Method for predicting a stability of a steel cylinder including: in response to the steel cylinder tilting toward a seaward side at an arbitrary rotation point, obtaining a safety factor for the steel cylinder tilting toward the seaward side by determining an anti-tilt moment and a tilt moment when the steel cylinder is tilted to the seaward side; under a same rotation point, in response to determining that the steel cylinder is rotated toward a land side, determining the safety factor for the steel cylinder tilting toward the land side; taking a smaller safety factor as the safety factor under the rotation point; re-selecting a new rotation point, determining a safety factor corresponding to the new rotation point, and taking a safety factor with a smallest value among all rotation points as a final safety factor; and generating, based on the final safety factor, an anti-tilt instruction.
    Type: Application
    Filed: April 23, 2024
    Publication date: August 22, 2024
    Applicants: TIANJIN PORT ENGINEERING INSTITUTE CO., LTD. OF CCCC FIRST HARBOR ENGINEERING CO., LTD., CCCC FIRST HARBOR ENGINEERING CO., LTD., TIANJIN PORT ENGINEERING QUALITY TESTING CENTER CO., LTD.
    Inventors: Changyi YU, Wei PAN, Yiyong LI, Naishou ZHANG, Yonghua CAO, Aimin LIU, Changxi YUE, Xiaoqiang KOU, Zhijun CHEN, Binbin XU
  • Patent number: 11821885
    Abstract: The disclosure discloses a test method for simulating sediment pollutant release under the effect of river channel erosion, which comprises preparing a test device, presetting a water depth and a flow velocity in a test water tank, and calculating a flow rate in the test water tank; paving the sediment in a sediment storage box, and covering an upper surface of the sediment with a water baffle; adding water into the test water tank until a preset water depth, starting a variable speed motor to drive a flow-making propeller to run to make the flow rate reach the required flow rate and keep the flow velocity constant; after the water flow becomes constant, the water baffle retracting to expose the surface of the sediment; opening sampling ports for layered sampling; measuring water; and respectively measuring concentration variation and vertical distribution features of sediment pollutant under different simulated power conditions.
    Type: Grant
    Filed: February 8, 2023
    Date of Patent: November 21, 2023
    Assignees: TIANJIN PORT ENGINEERING INSTITUTE CO., LTD. OF CCCC FIRST HARBOR ENGINEERING CO., LTD, CCCC FIRST HARBOR ENGINEERING CO., LTD., TIANJIN PORT ENGINEERING QUALITY TESTING CENTER CO., LTD., CHANGJIANG WUHAN WATERWAY ENGINEERING COMPANY
    Inventors: Zhichao Dong, Danzhong Liu, Jinfang Hou, Aimin Liu, Binbin Xu
  • Publication number: 20230184735
    Abstract: The disclosure discloses a test method for simulating sediment pollutant release under the effect of river channel erosion, which comprises preparing a test device, presetting a water depth and a flow velocity in a test water tank, and calculating a flow rate in the test water tank; paving the sediment in a sediment storage box, and covering an upper surface of the sediment with a water baffle; adding water into the test water tank until a preset water depth, starting a variable speed motor to drive a flow-making propeller to run to make the flow rate reach the required flow rate and keep the flow velocity constant; after the water flow becomes constant, the water baffle retracting to expose the surface of the sediment; opening sampling ports for layered sampling; measuring water; and respectively measuring concentration variation and vertical distribution features of sediment pollutant under different simulated power conditions.
    Type: Application
    Filed: February 8, 2023
    Publication date: June 15, 2023
    Applicants: TIANJIN PORT ENGINEERING INSTITUTE CO., LTD. OF CCCC FIRST HARBOR ENGINEERING CO., LTD., CCCC FIRST HARBOR ENGINEERING CO., LTD., TIANJIN PORT ENGINEERING QUALITY TESTING CENTER CO., LTD., CHANGJIANG WUHAN WATERWAY ENGINEERING COMPANY
    Inventors: Zhichao DONG, Danzhong LIU, Jinfang HOU, Aimin LIU, Binbin XU
  • Patent number: 11674283
    Abstract: The present application provides a semi-submersible immersed tube transportation and installation integrated ship and a construction process; the integrated ship includes: a deck structure; two floating structures, ballast water being able to be injected therein; and upper portions or top surfaces of the two floating structures are connected by the deck structure; and two support mechanisms, disposed on opposite sides of the two floating structures respectively; and each support mechanism is disposed at a lower portion or a bottom of the floating structure. The integrated ship can reduce the draught of the integrated ship carrying an immersed tube and realize the transportation requirements of shallow waterway.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: June 13, 2023
    Assignee: CCCC FIRST HARBOR ENGINEERING CO., LTD.
    Inventors: Yiyong Li, Naishou Zhang, Chuang Du, Zengjun Li, Yuanping Fu, Yuxi Feng, Jianning Zhang
  • Patent number: 11655608
    Abstract: The present application provides a water stopping device of suspension and sliding type, including: a water stop; a first end thereof is connected with a first joint segment and a second end thereof is connected with a second joint segment to form a water stopping cavity; at least one first rod; a first end thereof is connected with the first joint segment and a second end thereof is movably connected with the second joint segment; and at least one first hanging structure, connected with the water stop and the corresponding first rod, and slidably provided on the corresponding first rod. The water stopping device can be applied in joint construction of an immersed tunnel.
    Type: Grant
    Filed: December 6, 2022
    Date of Patent: May 23, 2023
    Assignee: CCCC FIRST HARBOR ENGINEERING CO., LTD.
    Inventors: Zengjun Li, Naishou Zhang, Wei Pan, Yiyong Li, Qiang Wang, Jinjin Ning, Chuang Du
  • Patent number: 10836459
    Abstract: A self-propelled integrated ship for transporting and installing immersed tubes of an underwater tunnel comprises a first ship body and a second ship body which are parallel with each other, a connection structure is arranged between the first ship body and the second ship body; the first ship body, the second ship body and the connection structure are provided with hauling and hoisting devices, a loading space is formed between the first ship body and the second ship body and below the connection structure; a to-be-installed member is arranged in the loading space and is connected with the ship; and the first ship body and the second ship body are provided with propelling power devices and positioning devices. The loading space is provided in a lower part of the integrated ship, and a member to be transported is placed in the loading space and floated in the water, so that most of the weight of the member is shared by buoyancy. The member is transported to a designated site and installed precisely.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: November 17, 2020
    Assignee: CCCC FIRST HARBOR ENGINEERING CO., LTD.
    Inventors: Yiyong Li, Qiang Guo, Zengjun Li
  • Patent number: 10781567
    Abstract: A foundation treatment method for piling a foundation structure by penetrating a hardpan layer, i.e., a Deep Slurry Mixing method, comprising following steps: disturbing, by a mechanical device, a location where the foundation structure is to be piled, so that the mechanical device penetrates the hardpan layer of a natural foundation; then injecting clay slurry into the hardpan layer of the natural foundation by a pumping device, an improved foundation is formed after mixing; and piling the foundation structure. The method can change soil property of the original natural foundation, break the hardpan layer, reduce piling resistance of the steel plate cylinder or similar foundation structure, reduce uneven force during the piling process and improve driveability.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: September 22, 2020
    Assignee: CCCC FIRST HARBOR ENGINEERING CO., LTD.
    Inventors: Yiyong Li, Naishou Zhang, Chao Gao, Zengjun Li, Bingchuan Guo
  • Patent number: 10689828
    Abstract: The present application discloses a dredging system for a pre-paved gravel foundation bed surface in open sea deep water, including a dredging mechanism, which includes a dredging suction head, a power component and a dredging pipeline, wherein the dredging suction head is connected with the dredging pipeline; the dredging pipeline is communicated with the power component; the dredging suction head includes at least one ridge surface suction port and at least one furrow suction port; the openings of all the furrow suction ports are lower than those of all the ridge surface suction ports; a lifting mechanism, which is connected with the dredging suction head and is used for lifting the dredging suction head to the gravel foundation bed surface; a moving mechanism, which is connected with the lifting mechanism and is used for driving the dredging suction head to move within a dredging range of the gravel foundation bed surface.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: June 23, 2020
    Assignees: Shanghai Zhenhua Heavy Industries Co., Ltd., No. 2 Engineering Co. of CCCC First Harbor Engineering Co., Ltd.
    Inventors: Ming Lin, Xuejun Wang, Gang Yin, Linlin Yuan, Faqiang Su, Hong Xiang, Bin Xie, Dejin Liu, Bo Meng, Wei Xu, Zengjun Li, Jianjun Zhang, Jinbao Liu, Xiangwei Zhang, Xiangrong Zhou, Mingxiang Wang, Hongbo Wei, Chunfeng Zhu, Ziyang Bi, Jiangwei Song, Zhenjie Tao, Ling Zhu