技术领域technical field
本发明属于海洋工程技术领域，特别涉及一种波流载荷数据采集装置及方法。The invention belongs to the technical field of marine engineering, and in particular relates to a wave and current load data acquisition device and method.
背景技术Background technique
在海洋工程建设中，海域环境十分恶劣，经常同时受到台风、海浪、海流、海冰、潮汐以及地震等的作用。海上自升式平台的稳定性、环境适应性要求更高，其结构复杂、造价昂贵，外部载荷及结构强度标准很难精确确定。海浪和海流载荷是海上结构物的控制载荷，对工程的造价、安全度及寿命起着非常重要的作用。因此，准确的波流载荷计算和合理的强度评估在自升式平台设计阶段尤为重要。In the construction of marine engineering, the sea environment is very harsh, often affected by typhoons, waves, currents, sea ice, tides and earthquakes at the same time. Offshore jack-up platforms have higher requirements for stability and environmental adaptability, their structures are complex and expensive, and it is difficult to accurately determine the external load and structural strength standards. Wave and current loads are the control loads of offshore structures, which play a very important role in the cost, safety and life of the project. Therefore, accurate wave and current load calculation and reasonable strength assessment are particularly important in the design stage of jack-up platforms.
常规波流载荷实验中，主要采用的均是单片式应力应变片采集方法，因受实验过程中的诸多因素影响，导致采集到的实验数据误差较大，且为保证实验要求需进行大量的重复性验证试验，人力物力浪费严重。并且在实验过程中受拖车设备振动，波流耦合下的涡旋释放影响以及其他各类环境噪声的影响，会导致单片式应力应变片采集到的实验数据存在较大的误差。本发明提出了一种可准确采集自升式平台波流载荷实验数据的方法，为不同规格的自升式海洋平台波流载荷实验的数据采集提供了方法指导，具有重要的理论意义和工程应用价值。In the conventional wave-current load experiment, the single-piece stress-strain gauge acquisition method is mainly used. Due to the influence of many factors in the experiment process, the error of the collected experimental data is relatively large, and a large number of experiments are required to ensure the experimental requirements. Repeated verification test, a serious waste of manpower and material resources. Moreover, during the experiment, the vibration of the trailer equipment, the influence of the vortex release under the wave-current coupling, and the influence of various other environmental noises will lead to large errors in the experimental data collected by the single-piece stress strain gauge. The present invention proposes a method for accurately collecting experimental data of wave and current loads on self-elevating platforms, provides method guidance for data collection of wave and current load experiments on self-elevating offshore platforms of different specifications, and has important theoretical significance and engineering applications value.
发明内容Contents of the invention
本发明的目的是：提供一种自升式平台波流载荷实验数据采集装置及方法，提高了波流载荷实验数据采集的精度，解决了目前波流载荷实验中实验数据误差大，人力物力浪费等问题。The purpose of the present invention is: to provide a jack-up platform wave current load experiment data acquisition device and method, which improves the accuracy of wave current load experiment data acquisition, and solves the large error of experimental data in the current wave current load experiment and the waste of manpower and material resources And other issues.
本发明的技术方案是：一种自升式平台波流载荷实验数据采集装置，它包括：水池(1)、自升式平台桩腿(2)、应力应变片组(3)、三轴振动加速度传感器(4)、声发射传感器组(5)、波高传感器(6)、数据采集设备(7)、数据处理显示设备(8)；The technical solution of the present invention is: a jack-up platform wave and current load experiment data acquisition device, which includes: a pool (1), jack-up platform legs (2), stress strain gauge group (3), three-axis vibration Acceleration sensor (4), acoustic emission sensor group (5), wave height sensor (6), data acquisition device (7), data processing display device (8);
所述水池(1)用于模拟产生海浪、海流等海洋波流载荷环境；The pool (1) is used to simulate ocean wave and current load environments such as ocean waves and currents;
所述自升式平台桩腿(2)放置于水池中，用于模拟海洋中的各类平台桩腿，并可在外部作用力下在所述水池(1)中水平多方向运动；The legs (2) of the self-elevating platform are placed in a pool for simulating various platform legs in the ocean, and can move horizontally in multiple directions in the pool (1) under external forces;
所述应力应变片组(3)固定在所述自升式平台桩腿(2)的测力杆表面，用于测量实验过程中所述自升式平台桩腿(2)所受到的环境载荷信号，并将组内单个应力应变片所采集的环境载荷信号，分别发送给所述数据采集设备(7)；The stress strain gauge group (3) is fixed on the surface of the load cell of the self-elevating platform leg (2) for measuring the environmental load suffered by the self-elevating platform leg (2) during the experiment signal, and the environmental load signal collected by a single stress strain gauge in the group is sent to the data acquisition device (7);
所述三轴振动加速度传感器(4)固定在所述自升式平台桩腿(2)的测力杆底部位置，用于测量实验过程中所述自升式平台桩腿(2)的振动加速度时域响应，并将所采集的时域响应信号发送给所述数据采集设备(7)；The three-axis vibration acceleration sensor (4) is fixed at the bottom position of the load cell of the self-elevating platform leg (2), and is used to measure the vibration acceleration of the self-elevating platform leg (2) during the experiment Time domain response, and the collected time domain response signal is sent to the data acquisition device (7);
所述声发射传感器组(5)固定在所述自升式平台桩腿(2)的上表面，用于采集实验过程中的环境噪声信号，为后期数据降噪处理提供支持，并将所采集的环境噪声信号发送给所述数据采集设备(7)；The acoustic emission sensor group (5) is fixed on the upper surface of the jack-up platform leg (2), and is used to collect environmental noise signals during the experiment, provide support for later data noise reduction processing, and collect the collected The environmental noise signal sent to the data acquisition device (7);
所述波高传感器(6)固定于水池中，并与所述自升式平台桩腿(2)平行，用于采集测量实验过程中的适时波高信号，并将所采集的波高信号发送给所述数据采集设备(7)；The wave height sensor (6) is fixed in the pool and parallel to the legs of the jack-up platform (2), and is used to collect timely wave height signals during the measurement experiment, and send the collected wave height signals to the Data acquisition equipment (7);
所述数据采集设备(7)用于收集所述应力应变片组(3)的单个应力应变片传送的环境载荷数据信号，所述三轴振动加速度传感器(4)传送的时域响应信号，所述声发射传感器组(5)的单个声发射传感器传送的环境噪声信号，所述波高传感器(6)传送的波高信号，并将这些信号转换成适应所述数据处理显示设备(8)的格式，发送给所述数据处理显示设备(8)；The data acquisition device (7) is used to collect the environmental load data signal transmitted by a single stress strain gauge of the stress strain gauge group (3), the time domain response signal transmitted by the three-axis vibration acceleration sensor (4), and the The environmental noise signal transmitted by a single acoustic emission sensor of the acoustic emission sensor group (5), the wave height signal transmitted by the wave height sensor (6), and convert these signals into a format suitable for the data processing display device (8), Send to the data processing display device (8);
所述数据处理显示设备(8)用于将所述数据采集设备(7)传送的经过处理后的环境载荷数据信号数据、时域响应信号数据、环境噪声信号数据、波高信号数据，进一步处理后，显示出来。The data processing and display device (8) is used to further process the processed environmental load data signal data, time domain response signal data, environmental noise signal data, and wave height signal data transmitted by the data acquisition device (7). ,display.
更进一步地，所述应力应变片组(3)包括3组应力应变片，每组应力应变片之间的垂向间距不相等，每组应力应变片有两个应力应变片组成，两个应力应变片采用90度半桥式贴片法固定。Furthermore, the stress strain gauge group (3) includes 3 sets of stress strain gauges, the vertical spacing between each set of stress strain gauges is unequal, each set of stress strain gauges consists of two stress strain gauges, and the two stress strain gauges The strain gauges are fixed by the 90-degree half-bridge patch method.
更进一步地，所述应力应变片组(3)中的应力应变片固定前去除所述自升式平台桩腿(2)的测力杆表面的油污及铁屑，固定后做防水处理。Furthermore, before the stress strain gauges in the stress strain gauge group (3) are fixed, oil stains and iron filings on the surface of the force measuring rod of the jack-up platform leg (2) are removed, and waterproof treatment is performed after fixing.
更进一步地，所述声发射传感器组(5)固定在所述自升式平台桩腿(2)上表面时，在所述声发射传感器组(5)的发射传感器与所述自升式平台桩腿(2)上表面之间，填充耦合剂；Further, when the acoustic emission sensor group (5) is fixed on the upper surface of the self-elevating platform leg (2), when the emission sensor of the acoustic emission sensor group (5) and the self-elevating platform Between the upper surfaces of the pile legs (2), fill with couplant;
更进一步地，所述数据处理显示设备(8)将所述数据采集设备(7)传送的声发射传感器组(5)传送的多个环境噪声信号数据进行完整采集输出，得到最终完整有效的环境噪声信号数据。Furthermore, the data processing and display device (8) completes the collection and output of multiple environmental noise signal data transmitted by the acoustic emission sensor group (5) transmitted by the data acquisition device (7) to obtain a final complete and effective environmental noisy signal data.
更进一步地，所述数据处理显示设备(8)将所述数据采集设备(7)传送的应力应变片组(3)传送的多个环境载荷数据信号，分别根据3组应力应变片之间的距离ΔL1、ΔL2和ΔL1+ΔL2，在同一次实验中计算出三组不同实验结果，得到最终有效的三个不同的环境载荷信号数据。Furthermore, the data processing display device (8) transmits the multiple environmental load data signals transmitted by the stress strain gauge group (3) transmitted by the data acquisition device (7), respectively according to the three groups of stress strain gauges. For the distances ΔL1, ΔL2 and ΔL1+ΔL2, three sets of different experimental results are calculated in the same experiment, and three different final effective environmental load signal data are obtained.
一种使用权利要求1所述的一种自升式平台波流载荷实验数据采集装置的方法，其特征在于，它包括以下步骤：A method for using a kind of self-elevating platform wave current load experiment data acquisition device described in claim 1, it is characterized in that, it comprises the following steps:
在水池中模拟产生海浪、海流、海洋波流载荷环境；Simulate the generation of ocean waves, ocean currents, and ocean wave current load environments in the pool;
将自升式平台桩腿放置在水池中，自升式平台桩腿可在外部作用力下在水池中水平多方向运动；Place the legs of the jack-up platform in the pool, and the legs of the jack-up platform can move horizontally in multiple directions in the pool under external forces;
将应力应变片组固定在自升式平台桩腿的测力杆的表面；Fix the stress strain gauge group on the surface of the load cell of the jack-up platform leg;
将三轴振动加速度传感器固定在自升式平台桩腿的测力杆底部位置；Fix the three-axis vibration acceleration sensor at the bottom of the load cell of the jack-up platform leg;
将声发射传感器组固定在自升式平台桩腿上表面；Fix the acoustic emission sensor group on the upper surface of the jack-up platform leg;
将波高传感器固定于水池中，并与自升式平台桩腿平行；Fix the wave height sensor in the pool and make it parallel to the legs of the jack-up platform;
应力应变片组将所采集的环境载荷信号，发送给数据采集设备；The stress strain gauge group sends the collected environmental load signal to the data collection device;
三轴振动加速度传感器将所采集的振动加速度时域响应信号，发送给数据采集设备；The three-axis vibration acceleration sensor sends the collected vibration acceleration time domain response signal to the data acquisition device;
声发射传感器组将采集到的环境噪声信号，发送给所述数据采集设备；The acoustic emission sensor group sends the collected environmental noise signal to the data collection device;
数据采集设备将收集的应力应变片组传送的环境载荷数据信号、三轴振动加速度传感器传送的时域响应信号、声发射传感器组传送的环境噪声信号、波高传感器传送的波高信号，转换成适应所述数据处理显示装置的格式，发送给所述数据处理显示设备；The data acquisition equipment converts the collected environmental load data signal transmitted by the stress strain gauge group, the time domain response signal transmitted by the three-axis vibration acceleration sensor, the environmental noise signal transmitted by the acoustic emission sensor group, and the wave height signal transmitted by the wave height sensor into suitable The format of the data processing and display device is sent to the data processing and display device;
数据处理显示设备将数据采集设备传送的经过处理后的环境载荷数据信号数据、时域响应信号数据、环境噪声信号数据、波高数据信号数据，进一步处理后，显示出来。The data processing display device displays the processed environmental load data signal data, time domain response signal data, environmental noise signal data, and wave height data signal data transmitted by the data acquisition device after further processing.
更进一步地，数据处理显示设备将所述数据采集设备传送的声发射传感器组传送的多个环境噪声信号数据进行完整采集输出，得到最终完整有效的环境噪声信号数据，为后期针对应力应变组采集到的环境载荷数据信号进行降噪处理。Furthermore, the data processing display device completes the collection and output of multiple environmental noise signal data transmitted by the acoustic emission sensor group transmitted by the data acquisition device, and obtains the final complete and effective environmental noise signal data, which is used for the later acquisition of stress and strain groups. The received environmental load data signal is subjected to noise reduction processing.
更进一步地，数据处理显示设备将所述数据采集设备传送的应力应变片组传送的多个环境载荷数据信号，分别根据3组应力应变片之间的距离ΔL1、ΔL2和ΔL1+ΔL2，在同一次实验中计算出三组不同实验结果，得到最终有效的三个不同的环境载荷信号数据。Furthermore, the data processing and display device transfers the multiple environmental load data signals transmitted by the stress strain gauge group transmitted by the data acquisition device, according to the distances ΔL1, ΔL2 and ΔL1+ΔL2 between the three sets of stress strain gauges respectively, in the same Three sets of different experimental results were calculated in this experiment, and three different final effective environmental load signal data were obtained.
本发明采用同时布置多个传感器布置方式，在一次实验即可得到多组实验结果值，且多个实验结果可以相互验证，在保证实验结果可靠性的基础上极大地减小了实验工作量，可以很好地保证各传感器的同步采集问题，将实验过程中的所有环境数据一次完整的采集下来，大大提高了波流载荷实验数据采集的精度，解决了目前波流载荷实验中实验数据误差大，人力物力浪费等问题。The present invention adopts the method of arranging multiple sensors at the same time, so that multiple sets of experimental result values can be obtained in one experiment, and multiple experimental results can be mutually verified, which greatly reduces the experimental workload on the basis of ensuring the reliability of the experimental results. It can well ensure the synchronous acquisition of each sensor, and collect all the environmental data in the experiment process at one time, which greatly improves the accuracy of data acquisition in wave and current load experiments, and solves the problem of large experimental data errors in current wave and current load experiments. , Waste of manpower and material resources.
附图说明Description of drawings
图1为本发明系统组成示意图。Fig. 1 is a schematic diagram of the composition of the system of the present invention.
具体实施方式detailed description
实施例1：参加图1，一种自升式平台波流载荷实验数据采集装置，它包括：水池(1)、自升式平台桩腿(2)、应力应变片组(3)、三轴振动加速度传感器(4)、声发射传感器组(5)、波高传感器(6)、数据采集设备(7)、数据处理显示设备(8)。Embodiment 1: Refer to Fig. 1, a kind of jack-up platform wave-current load experiment data acquisition device, it comprises: pool (1), jack-up platform leg (2), stress strain gage group (3), triaxial A vibration acceleration sensor (4), an acoustic emission sensor group (5), a wave height sensor (6), a data acquisition device (7), and a data processing display device (8).
所述水池(1)用于模拟产生海浪、海流等海洋波流载荷环境。The water pool (1) is used for simulating ocean wave and current load environments such as ocean waves and ocean currents.
所述自升式平台桩腿(2)放置于水池中，用于模拟海洋中的各类平台桩腿，并可在外部作用力下在所述水池(1)中水平多方向运动。The self-elevating platform legs (2) are placed in a pool for simulating various platform legs in the ocean, and can move horizontally in multiple directions in the pool (1) under external forces.
所述应力应变片组(3)固定在所述自升式平台桩腿(2)的测力杆表面，用于测量实验过程中所述自升式平台桩腿(2)所受到的环境载荷信号，并将组内单个应力应变片所采集的环境载荷信号，分别发送给所述数据采集设备(7)；所述应力应变片组(3)包括3组应力应变片，每组应力应变片之间的垂向间距不相等，每组应力应变片有两个应力应变片组成，两个应力应变片采用90度半桥式贴片法固定；所述应力应变片组(3)中的应力应变片固定前去除所述自升式平台桩腿(2)的测力杆表面的油污及铁屑，固定后做防水处理。The stress strain gauge group (3) is fixed on the surface of the load cell of the self-elevating platform leg (2) for measuring the environmental load suffered by the self-elevating platform leg (2) during the experiment signal, and the environmental load signal collected by a single stress strain gauge in the group is sent to the data acquisition device (7) respectively; the stress strain gauge group (3) includes 3 groups of stress strain gauges, each group of stress strain gauges The vertical spacing between them is not equal, and each group of stress strain gauges consists of two stress strain gauges, and the two stress strain gauges are fixed by a 90-degree half-bridge patch method; the stress in the stress strain gauge group (3) Before the strain gauge is fixed, the oil and iron filings on the surface of the force measuring rod of the jack-up platform leg (2) are removed, and waterproof treatment is performed after the strain gauge is fixed.
所述三轴振动加速度传感器(4)固定在所述自升式平台桩腿(2)的测力杆底部位置，用于测量实验过程中所述自升式平台桩腿(2)的振动加速度时域响应，并将所采集的时域响应信号发送给所述数据采集设备(7)。The three-axis vibration acceleration sensor (4) is fixed at the bottom position of the load cell of the self-elevating platform leg (2), and is used to measure the vibration acceleration of the self-elevating platform leg (2) during the experiment time domain response, and send the collected time domain response signal to the data collection device (7).
所述声发射传感器组(5)固定在所述自升式平台桩腿(2)的上表面，用于采集实验过程中的环境噪声信号，为后期数据降噪处理提供支持，并将所采集的环境噪声信号发送给所述数据采集设备(7)；所述声发射传感器组(5)固定在所述自升式平台桩腿(2)上表面时，在所述声发射传感器组(5)的发射传感器与所述自升式平台桩腿(2)上表面之间，填充耦合剂。The acoustic emission sensor group (5) is fixed on the upper surface of the jack-up platform leg (2), and is used to collect environmental noise signals during the experiment, provide support for later data noise reduction processing, and collect the collected The environmental noise signal of the ambient noise is sent to the data acquisition device (7); when the acoustic emission sensor group (5) is fixed on the upper surface of the self-elevating platform leg (2), when the acoustic emission sensor group (5) ) between the launch sensor and the upper surface of the self-elevating platform leg (2), fill with couplant.
所述波高传感器(6)固定于水池中，并与所述自升式平台桩腿(2)平行，用于采集测量实验过程中的适时波高信号，并将所采集的波高信号发送给所述数据采集设备(7)。The wave height sensor (6) is fixed in the pool and parallel to the legs of the jack-up platform (2), and is used to collect timely wave height signals during the measurement experiment, and send the collected wave height signals to the Data acquisition equipment (7).
所述数据采集设备(7)用于收集所述应力应变片组(3)的单个应力应变片传送的环境载荷数据信号，所述三轴振动加速度传感器(4)传送的时域响应信号，所述声发射传感器组(5)的单个声发射传感器传送的环境噪声信号，所述波高传感器(6)传送的波高信号，并将这些信号转换成适应所述数据处理显示设备(8)的格式，发送给所述数据处理显示设备(8)。The data acquisition device (7) is used to collect the environmental load data signal transmitted by a single stress strain gauge of the stress strain gauge group (3), the time domain response signal transmitted by the three-axis vibration acceleration sensor (4), and the The environmental noise signal transmitted by a single acoustic emission sensor of the acoustic emission sensor group (5), the wave height signal transmitted by the wave height sensor (6), and convert these signals into a format suitable for the data processing display device (8), Send to the data processing display device (8).
所述数据处理显示设备(8)用于将所述数据采集设备(7)传送的经过处理后的环境载荷数据信号数据、时域响应信号数据、环境噪声信号数据、波高信号数据，进一步处理后，显示出来。所述数据处理显示设备(8)将所述数据采集设备(7)传送的声发射传感器组(5)传送的多个环境噪声信号数据进行完整采集输出，得到最终完整有效的环境噪声信号数据。所述数据处理显示设备(8)将所述数据采集设备(7)传送的应力应变片组(3)传送的多个环境载荷数据信号，分别根据3组应力应变片之间的距离ΔL1、ΔL2和ΔL1+ΔL2，在同一次实验中计算出三组不同实验结果，得到最终有效的三个不同的环境载荷信号数据。The data processing and display device (8) is used to further process the processed environmental load data signal data, time domain response signal data, environmental noise signal data, and wave height signal data transmitted by the data acquisition device (7). ,display. The data processing and display device (8) collects and outputs a plurality of environmental noise signal data transmitted by the acoustic emission sensor group (5) transmitted by the data acquisition device (7) in a complete manner to obtain final complete and effective environmental noise signal data. The data processing display device (8) transmits a plurality of environmental load data signals transmitted by the stress strain gauge group (3) transmitted by the data acquisition device (7), respectively according to the distances ΔL1 and ΔL2 between the three groups of stress strain gauges and ΔL1+ΔL2, three sets of different experimental results are calculated in the same experiment, and three different final effective environmental load signal data are obtained.
实施例2：一种自升式平台波流载荷实验数据采集方法，它包括以下步骤：Embodiment 2: a kind of jack-up platform wave current load experiment data acquisition method, it comprises the following steps:
在水池中模拟产生海浪、海流、海洋波流载荷环境；Simulate the generation of ocean waves, ocean currents, and ocean wave current load environments in the pool;
将自升式平台固定在水池上方的拖车上；Secure the jack-up platform to the trailer above the pool;
将应力应变片组固定在自升式平台的测力杆的表面；Fix the stress strain gauge group on the surface of the load cell of the self-elevating platform;
将三轴振动加速度传感器固定在自升式平台的测力杆底部位置；Fix the three-axis vibration acceleration sensor at the bottom of the force measuring rod of the self-elevating platform;
将声发射传感器组固定在自升式平台的桩腿上表面；Fix the acoustic emission sensor group on the upper surface of the leg of the jack-up platform;
将波高传感器固定于水池中，并与自升式平台的桩腿平行；Fix the wave height sensor in the pool and parallel to the legs of the jack-up platform;
应力应变片组将所采集的环境载荷信号，发送给数据采集设备；The stress strain gauge group sends the collected environmental load signal to the data collection device;
三轴振动加速度传感器将所采集的振动加速度时域响应信号，发送给数据采集设备；The three-axis vibration acceleration sensor sends the collected vibration acceleration time domain response signal to the data acquisition device;
声发射传感器组将采集到的环境噪声信号，发送给所述数据采集设备。The acoustic emission sensor group sends the collected environmental noise signal to the data collection device.
数据采集设备将收集的应力应变片组传送的环境载荷数据信号、三轴振动加速度传感器传送的时域响应信号、声发射传感器组传送的环境噪声信号、波高传感器传送的波高信号，转换成适应所述数据处理显示设备的格式，发送给所述数据处理显示设备。The data acquisition equipment converts the collected environmental load data signal transmitted by the stress strain gauge group, the time domain response signal transmitted by the three-axis vibration acceleration sensor, the environmental noise signal transmitted by the acoustic emission sensor group, and the wave height signal transmitted by the wave height sensor into suitable The format of the data processing and display device is sent to the data processing and display device.
数据处理显示设备将数据采集设备传送的经过处理后的环境载荷数据信号数据、时域响应信号数据、环境噪声信号数据、波高数据信号数据，进一步处理后，显示出来。The data processing display device displays the processed environmental load data signal data, time domain response signal data, environmental noise signal data, and wave height data signal data transmitted by the data acquisition device after further processing.
数据处理显示设备将所述数据采集设备传送的声发射传感器组传送的多个环境噪声信号数据进行完整采集输出，得到最终完整有效的环境噪声信号数据，为后期针对应力应变组采集到的环境载荷数据信号进行降噪处理。The data processing display device completes the collection and output of multiple environmental noise signal data transmitted by the acoustic emission sensor group transmitted by the data acquisition device, and obtains the final complete and effective environmental noise signal data, which is the environmental load collected for the stress and strain group in the later stage. The data signal is subjected to noise reduction processing.
数据处理显示设备将所述数据采集设备传送的应力应变片组传送的多个环境载荷数据信号，分别根据3组应力应变片之间的距离ΔL1、ΔL2和ΔL1+ΔL2，在同一次实验中计算出三组不同实验结果，得到最终有效的三个不同的环境载荷信号数据。The data processing display device calculates the multiple environmental load data signals transmitted by the stress strain gauge group transmitted by the data acquisition equipment according to the distances ΔL1, ΔL2 and ΔL1+ΔL2 between the three sets of stress strain gauges in the same experiment. Three sets of different experimental results were obtained to obtain the final effective three different environmental load signal data.
| Application Number | Priority Date | Filing Date | Title |
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| CN201610158019.8ACN105588612B (en) | 2016-03-18 | 2016-03-18 | A kind of jack-up unit wave loadings experimental data collector and method |
| Application Number | Priority Date | Filing Date | Title |
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| CN201610158019.8ACN105588612B (en) | 2016-03-18 | 2016-03-18 | A kind of jack-up unit wave loadings experimental data collector and method |
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| CN201610158019.8AActiveCN105588612B (en) | 2016-03-18 | 2016-03-18 | A kind of jack-up unit wave loadings experimental data collector and method |
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