总结隧道注浆技术近年来的发展现状： 1）隧道注浆技术随工程建设向更深、更长、更快发展，其重要性不断提升，应用场景已由过去的岩层堵水和地层改良扩展至工程抢险、病害治理、瓦斯防控、保温隔热等领域； 2）注浆理论、材料、设备和效果检查方法有较大突破，促进了隧道注浆技术的发展，实现了高效可控注浆； 3）隧道注浆技术克服了多种极困难地层对施工的限制，如水下风化槽、（高压）富水断层破碎带/密集节理带、富水粉细砂层等，我国隧道注浆技术处于国际先进水平。随着川藏铁路、海峡隧道的建设和规划，隧道建设进一步深入曾经的工程地质禁区，极高水压、强渗透地层、高地应力、高地温、高活跃断层等问题愈加突出，进一步深化研究注浆理论、创新优化注浆工艺、研发配制注浆材料、定制配套钻注设备、量化判定注浆效果等必将推动隧道注浆技术持续发展。

The development status of tunnel grouting technology recently is summarized as follows. (1) Tunnel grouting technology develops rapidly with engineering construction, and its relevance continuously increases. The application scenarios have extended from water blocking and ground improvement to engineering emergency rescue, disease control, gas prevention and control, thermal insulation, etc. (2) Significant breakthroughs have been made in grouting theory, materials, equipment, and effect inspection methods, thereby promoting the development of tunnel grouting technology and realizing highly efficient and controllable grouting. (3) The tunnel grouting technology has overcome the construction limitations of various extremely complex strata, such as underwater weathered groove, (high pressure) waterrich fault fracture zone/dense joint zone, and waterrich fine sand layer. The Chinese tunnel grouting technology has reached an international advanced level. With the construction and planning of the SichuanTibet railway and the straitcrossing tunnels, tunnel construction has further penetrated the once restricted areas of engineering geology and problems such as extremely highwater pressure, highpermeable strata, highground stress, highground temperature, and highactive faults are becoming prominent. Thus, further deepening of grouting theory study, innovation and optimization of grouting technology, research and development of new grouting materials, customized matching drilling equipment, and quantitative determination of grouting effect are required to promote the continuous development of tunnel grouting technology.