适用于真三轴霍普金森压杆试验的水-力耦合加载装置及试验方法

• Format: Patent
• Language: Chinese
• Published: 18.02.2025
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

本发明公开了一种适用于真三轴霍普金森压杆试验的水-力耦合加载装置及试验方法，包括装置本体；装置本体为正六面密封腔体结构，装置本体的内腔中设置有制样架，放置于制样架上的试样位于装置本体的内腔中心，装置本体每个侧面的中部设置有与内腔连通的通孔，加压杆的一端穿过通孔与试样的外侧面抵接，另一端与霍普金森压杆抵接；装置本体的内腔与水压施加系统连通，水压施加系统根据设置于装置本体内腔、与试样等高的压力传感器采集的压力值对装置本体内部水压进行动态平衡控制；加压杆为套杆结构，外层隔水杆为空心杆，内层加压杆为实心杆，外层隔水杆与内层加压杆之间设置有海绵。本发明在考虑水深和围压耦合加载的条件下实现真三轴霍普金森压杆试验。 The invention discloses a water-force coupling loading device suitable for a true triaxial Hopkinson pressure bar test and a test method. The water-force coupling loading device comprises a device body, the device body is of a regular hexahedral sealed cavity structure, a sample preparation frame is arranged in an inner cavity of the device body, a sample placed on the sample preparation frame is located in the center of the inner cavity of the device body, a through hole communicated with the inner cavity is formed in the middle of each side face of the device body, and one end of a pressurizing rod penetrates through the through hole to abut against the outer side face of the sample. The other end of the spr