首页|小净距隧道爆破振动影响分析与工法优化

小净距隧道爆破振动影响分析与工法优化

扫码查看
为了降低小净距隧道爆破振动对衬砌结构的影响,提高施工效率与安全性,本文首先介绍了工程概况,随后采用二维和三维有限元方法,分别分析了小净距隧道爆破振动对衬砌的横向和纵向影响.研究结果表明,爆破振动对衬砌结构产生明显应力波动,且净距越小,影响越显著.基于此,本文提出了针对性的工法优化措施,包括调整爆破参数、优化掘进顺序等.这些优化策略旨在有效控制爆破振动影响,为小净距隧道的施工提供科学依据和技术支持.
Analysis of the Impact of Blasting Vibration on Small Distance Tunnels and Optimization of Construction Methods
In order to reduce the impact of blasting vibration on the lining structure of small clearance tunnels,improve construction efficiency and safety,this article first introduces the engineering overview,and then uses two-dimensional and three-dimensional finite element methods to analyze the transverse and longitudinal effects of blasting vibration on the lining of small clearance tunnels.The research results indicate that blasting vibration produces significant stress fluctuations on the lining structure,and the smaller the net distance,the more significant the impact.Based on this,this article proposes targeted optimization measures for construction methods,including adjusting blasting parameters,optimizing excavation sequence,etc.These optimization strategies aim to effectively control the impact of blasting vibration and provide scientific basis and technical support for the construction of small clearance tunnels.

small net distancetunnelblastingvibrationoptimization of construction methods

张阳

展开 >

中铁十二局集团铁路养护工程有限公司,四川成都

小净距 隧道 爆破 振动 工法优化

2024

科学技术创新
黑龙江省科普事业中心

科学技术创新

影响因子:0.842
ISSN:1673-1328
年,卷(期):2024.(22)