物理力学实验模拟是研究煤与瓦斯突出机理和发育规律的重要技术方法之一。研发一种新型煤与瓦斯突出模拟系统，旨在借助现有先进监测技术和装备，结合具体瓦斯地质模拟条件，开发出先进的实验设计方案，实现复杂场景下的煤与瓦斯突出现象模拟，助推煤与瓦斯突出机理研究。本模拟系统由应力加载子系统、实验箱体子系统、动力牵引子系统、气压控制子系统、诱突装备子系统、模拟巷道子系统和测控子系统7部分构成，在各个子系统设计过程中都不同程度地实现了技术方法提升，整个系统形成了标志性创新成果。模拟系统有如下特点：① 完善了三轴同步连续非均匀加载技术装备的高载荷加/卸载功能。试件加载由X、Y和Z方向的10个独立压头完成，试件尺寸为400 mm×400 mm×1200 mm，载荷强度最大25 MPa，最大密闭气压6.0 MPa，上述10个压头中的任意个体可根据指令独立或同步完成行程内的加/卸载任务，并实现了水平应力分层加卸载。② 形成了系统制样、装样、密封、加载一体化工艺。实验箱体为新型分体式结构，由动力牵引系统辅助实验箱体完成试件成型、应力加载和模拟材料搬运，且箱体结构平移量控制精准。③ 集成多种诱突技术于同一模拟平台，完成了包括箱体、突出窗口等多项技术装备功能创新，完成了动力诱突、二级爆破片联动诱突、变径钻进诱突等多种诱突技术及装备研制，且在动力诱突和变径钻进诱突技术装备上实现了原始创新，并经过了实验模拟验证。④ 实现了关键装置结构体的设计创新。双层钢板箱体缓解了同步加载的应力集中并提高箱体结构气密性，突出口的内腔设计提高了诱突效率，模拟巷道端头结构与管道“软包硬”结构设计提高了系统安全性，变径钻头结构实现了Rouleauxs triangle理论的工程化应用。⑤ 多元信息监测及数据融合实现了模拟测试的精准化。采用了先进的数据采集系统(应力、气压、温度等数据)和包括声发射、高速摄像机等监控技术装备，实现了煤与瓦斯突出的多元数据精准监测。⑥ 工程案例模拟证实了系统应用的可靠性。通过平煤“3·22”突出案例模拟，完成了系统功能的整体检验，并发现了突出过程中断层构造对地应力、气体压力和温度的影响规律，证实了本物理力学模拟系统性能可靠，可为煤与瓦斯突出机理研究提供平台支撑作用。

A physical mechanics simulation experiment is one of the important technical methods to study the inoculation mechanism and development laws of coal and gas outburst. A new type of coal and gas outburst simulation system has been developed, aiming at developing an advanced experimental design scheme with the help of existing advanced monitoring technology, combined with specific gas geology conditions, to realize the simulation of coal and gas outburst phenomenon in complex scenes, and to promote the study of coal and gas outburst mechanism. The physical mechanics simulation system consists of following seven parts: stress loading subsystem, test chamber subsystem, power traction subsystem, gas pressure control subsystem, induced equipment subsystem, simulated roadway subsystem, and measurement and control subsystem. The design of each subsystem has been improved to different degrees, and the whole system has formed a landmark innovation. The simulation system has the following characteristics: ① the high load loading and unloading function of the three-axis synchronous continuous non-uniform loading technical equipment is improved. The specimen loading is done by 10 independent indenters in X, Y, and Z directions. The size of the experimental chamber is 400 mm × 400 mm × 1200 mm, the maximum load strength is 25 MPa, and the maximum closed gas pressure is 6.0 MPa. Each of the above 10 indenters can operate asynchronously or synchronously for loading or unloading tasks according to instructions, and horizontal stress loading and unloading layered processing function is implemented. ② An integrated process of systematic sample preparation, sample packing, sealing, and loading has been formed completely. The experimental chamber is designed as a new type of split structure, and the dynamic traction system is used to assist the experimental chamber to complete the molding, stress loading and material handling, and the translation amount of the chamber structure is controlled accurately. ③ The four kinds of technologies for inducing coal and gas outburst are integrated and applied in the same simulation platform, and some equipment functional innovations are realized, such as the test chamber, the pressure relief window, etc. Many kinds of technology and equipment have been successfully developed, as original innovation products, the dynamic technology and the drilling equipment have been verified by the experimental simulation. ④ The design innovation of key device structure is realized. The problems of stress concentration and high pressure gas leakage under synchronous loading are solved by the design of double-layer steel plate chamber structure. The experimental efficiency is improved by the structural optimization of the launching cavity, the safety of the simulation system is significantly improved by the design of the pipe end structure, a combination of soft and hard material pipe structure, and the variable diameter drilling technology has achieved the engineering application of the Rouleauxs triangle theory. ⑤ Simulation test precision is generated by multivariate information. Advanced data acquisition systems (stress, gas pressure, temperature, etc.) and monitoring technology equipment including acoustic emission and high-speed cameras are used to achieve multi-data monitoring of coal and gas outburst. ⑥ The reliability of the experimental system has been verified by laboratory simulation. Through the case simulation of the “3·22 accident in Pingdingshan”, the overall test of the system function is completed, and the influence law of fault structure on in-situ stress, gas pressure and temperature in the process of coal and gas outburst is discovered in a new way. It is proved that the physical mechanics simulation system is reliable and could provide a platform to support the research on the coal and gas outburst mechanism.