摘要
以泉州至南宁高速公路吉安至莲花钟家山隧道段塌方区域为研究对象,调查隧道突水补给源。使用荧光素钠、荧光增白剂和罗丹明3种不同性质的示踪剂,在测区20km2范围内,布置投放点4个、接收点3个,进行地下水示踪试验。结果显示:断层F3经过隧洞处为风化破碎带,风化破碎岩带导水,是隧洞进洞口突水的一个通道;断层F2导水性良好,也是进洞口塌陷的一个充水通道。
Taking the collapse zone in Ji ＇an-Lianhua Zhongjia Mountain Tunnel section of Quanzhou-Nanning highway as the research object,this thesis studies the replenishment source of tunnel water inrush. Groundwater tracer test is conducted in 20 km2 range of test area,by setting 4 drop points and 3 receiving points with the use of 3 different tracers： fluorescein sodium,fluorescent whitening agent,and rhodamine. The results are as follows： fault F3,which guides water through the tunnel for weathered broken zone and weathered broken rock zone,is a channel for water inrush into the tunnel entrance; fault F2 is of good water conductivity,and is also a water channel for the tunnel entrance collapse zone.
出处
《环境影响评价》
2015年第2期66-69,78,共5页
Environmental Impact Assessment
关键词
岩溶裂隙水
地下水示踪
断层导水性
补给源
示踪剂
the karst fissure water
groundwater tracer test
fault conductivity
replenishment source
tracer
