Device and method for measuring true triaxial creep of geotechnical engineering test block
    21.
    发明授权
    Device and method for measuring true triaxial creep of geotechnical engineering test block 有权
    岩土工程试验块真三轴蠕变测量装置及方法

    公开(公告)号:US09551639B2

    公开(公告)日:2017-01-24

    申请号:US14780848

    申请日:2013-12-02

    CPC classification number: G01N3/08 G01N2203/0071 G01N2203/0256

    Abstract: Device and method for measuring true triaxial creep of a geotechnical engineering test block, including a supporting structure; the device includes four confining pressure-plates and upper-and-lower compression-plates forming an enclosed cavity for the test block; confining pressure-plates include two long confining pressure-plates and two short-confining pressure-plates, upper-and-lower compression-plates are rectangular top and bottom steel-plates, two L-shaped long confining pressure-plates bent towards the outer side lapped on two adjacent side faces of the bottom steel-plate, two L-shaped short-confining pressure-plates bent towards the outer side lapped on remaining two-side faces of the bottom steel-plate, and bottom ends of the short-confining pressure-plates are placed on the bottom steel-plate; top ends of long confining pressure-plates lapped on the top steel-plate, and top steel-plate leans against inner side faces of two short-confining pressure-plates; vertically pressure sensors corresponds to four confining pressure-plates and upper-and-lower compression-plates in the supporting structure, and grating shortrulers on pressure sensors.

    Abstract translation: 用于测量岩土工程试块的真实三轴蠕变的装置和方法,包括支撑结构; 该装置包括形成用于测试块的封闭空腔的四个围压压板和上下压缩板; 围压板包括两个长约束压板和两个短围压板,上下压板为矩形顶板和底钢板,两个L形长围压板朝向外侧弯曲 在底部钢板的两个相邻侧面上搭接的两个L形的短围压板相对于底板钢的剩余的两个侧面上的外侧弯曲, 围压压板放置在底钢板上; 在顶部钢板上堆叠的长围压板的顶端,顶部钢板抵靠两个短围压板的内侧面; 垂直压力传感器对应于支撑结构中的四个围压压板和上下压缩板,以及压力传感器上的光栅短路。

    Red mud-based sewage treatment agent and preparation method thereof, red mud-based ceramsite concrete and preparation method thereof, and applications

    公开(公告)号:US12220680B2

    公开(公告)日:2025-02-11

    申请号:US17283591

    申请日:2020-04-03

    Abstract: A red mud-based sewage treatment agent and a preparation method thereof, a red mud-based ceramsite concrete and a preparation method thereof, and applications, the agent including the following components: 80-90% of a solid waste complex after acidification treatment, 2-15% of an alkali activator, 0-1.0% of a water reducer, 0.5-2.0% of an ultrafine additive, and 1.0-5.0% of a treatment agent. The solid waste complex includes: at least one of red mud powder, blast furnace slag powder, fly ash, coal gangue powder and iron tailings powder. First, the red mud is modified to prepare an intermediate product, namely the red mud-based sewage treatment agent, which is used for absorption of pollutants in sewage and then used as a raw material again to prepare a final product, namely the red mud-based ceramsite concrete. Progressive comprehensive utilization of the red mud is realized, and adsorbed pollution factors can be sealed in the final product.

    Seismic source and wave detector integrated device and method for seismic wave exploration

    公开(公告)号:US11899145B2

    公开(公告)日:2024-02-13

    申请号:US17296855

    申请日:2020-11-04

    Abstract: A wave detector integrated device includes a support, protective shell and mode converter. The protective shell is installed on the support and rotates by the mode converter, and has a hollow cylindrical structure. A seismic source hammer is suspended at a protective shell central axis position. Electromagnetic accelerators are installed in a bus direction of the protective shell, and the seismic source hammer is connected with the electromagnetic accelerators. A drill bit type wireless transmission wave detector or standby flat bottom type wave detector is connected above the protective shell through a second telescopic rod having a driving device therein and driving the drill bit type wave detector to rotate. A power supply is installed inside the protective shell, and is connected with a current controller and circuit protection device. The current controller is respectively connected with the electromagnetic accelerators, drill bit type wave detector, driving device and mode converter.

    Sandbox test system and method for karst aquifer based on tracer-hydraulic tomography inversion

    公开(公告)号:US11237092B2

    公开(公告)日:2022-02-01

    申请号:US17253382

    申请日:2019-10-17

    Abstract: A sandbox test system and method for a karst aquifer based on tracer-hydraulic tomography inversion, including a visual sandbox apparatus, a karst conduit, a water flow control apparatus, a horizontal well, a data acquisition apparatus, and a data processing apparatus. The visual sandbox apparatus forms a sand layer packing space. The karst conduit is buried in a sand layer. The water flow control apparatus is a constant water head storage tank. A back plate is provided with a horizontal well mounting hole and tracer adding hole. The horizontal well is mounted in each horizontal well mounting hole. A monitoring well is connected to a seepage pressure sensor or an electrical conductivity sensor. A water injection and pumping well is connected to a peristaltic pump. The electrical conductivity sensor, seepage pressure sensor, and peristaltic pump connect to the data acquisition apparatus. The data acquisition apparatus connects to the data processing apparatus.

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