FUNCTION-RECOVERING ENERGY-DISSIPATING REINFORCED CONCRETE SHEAR WALL AND CONSTRUCTION METHOD THEREOF

    公开(公告)号:US20210372156A1

    公开(公告)日:2021-12-02

    申请号:US16342366

    申请日:2018-08-02

    Abstract: A function-recovering energy-dissipating reinforced concrete shear wall comprising a reinforced concrete shear wall body, common steel bars distributed in vertical direction within the reinforced concrete shear wall body, common steel bars distributed in horizontal direction within the reinforced concrete shear wall body, high-strength reinforcing materials arranged on left and right sides of the shear wall, and four dampers arranged in an X-shaped cross mode between a front reinforcement fabric and a rear reinforcement fabric that are formed by common steel bars distributed in vertical direction and common steel bars distributed in horizontal direction; a cylindrical piston rod having a hinge hole is arranged at the end portion of each damper.

    Method for segmentation of underground drainage pipeline defects based on full convolutional neural network

    公开(公告)号:US20210319265A1

    公开(公告)日:2021-10-14

    申请号:US17356533

    申请日:2021-06-24

    Abstract: A method for segmentation of underground drainage pipeline defects based on full convolutional neural network includes steps of: collecting a data set of the underground drainage pipeline defects; processing the data set of the underground drainage pipeline defects; optimizing with a semantic segmentation algorithm; adjusting model hyperparameters; training a model; verifying the model; and testing the model. The method adopts a deep learning algorithm, optimizes the FCN full convolutional neural network, develops a semantic segmentation method suitable for complex and similar defect characteristics of underground drainage pipelines, and adopts real underground drainage pipeline defect detection big data, thereby realizing pixel-level segmentation of the underground drainage pipeline defects and providing better robustness and generality. The detection accuracy and efficiency of the underground drainage pipeline defects are effectively improved.

    Shell-and-tube heat exchanger with distributed inlet-outlets

    公开(公告)号:US20170328642A1

    公开(公告)日:2017-11-16

    申请号:US15665719

    申请日:2017-08-01

    Abstract: A shell-and-tube heat exchanger with distributed inlet-outlets includes a shell, heat exchanging tubes, a tube plate, an outlet fluid distribution device and an inlet fluid distribution device. Each of the inlet and outlet fluid distribution devices includes a tube side connecting pipe and at least one bell-shaped tube. A fine end of the bell-shaped tube is connected with the tube side connecting pipe, the tube side connecting pipe passes through the tube plate, a magnifying sealing plate is installed at a magnifying end of the bell-shaped tube, the magnifying sealing plate has circular holes respectively corresponding to the heat exchanging tubes, the heat exchanging tubes are respectively installed within the circular holes of the magnifying sealing plate and communicated with an interior of the bell-shaped tube. The shell-and-tube heat exchanger is reasonable in design, strong in practicality and simple in preparation process, so that it has broad application prospects.

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