ISSN 2096-4498
CN 44-1745/U
Tunnel Construction ›› 2021, Vol. 41 ›› Issue (11): 1953-1963.DOI: 10.3973/j.issn.2096-4498.2021.11.010
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ZHUO Yue1, 2, LI Zhiguo 3, GAO Guangyi 1, 2, *
Online:
Published:
Abstract: 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) waterrich fault fracture zone/dense joint zone, and waterrich fine sand layer. The Chinese tunnel grouting technology has reached an international advanced level. With the construction and planning of the SichuanTibet railway and the straitcrossing tunnels, tunnel construction has further penetrated the once restricted areas of engineering geology and problems such as extremely highwater pressure, highpermeable strata, highground stress, highground temperature, and highactive 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.
Key words: tunnel with complex geologies, development of grouting technology, deep weathered groove, high ground temperature, high water pressure
CLC Number:
U 45
ZHUO Yue, LI Zhiguo, GAO Guangyi. Development Status and Prospect of Tunnel Grouting Technology[J]. Tunnel Construction, 2021, 41(11): 1953-1963.
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