CN203383854U - Buffering system for solving problem of tunnel local sudden water burst - Google Patents
Buffering system for solving problem of tunnel local sudden water burst Download PDFInfo
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- CN203383854U CN203383854U CN201320457952.7U CN201320457952U CN203383854U CN 203383854 U CN203383854 U CN 203383854U CN 201320457952 U CN201320457952 U CN 201320457952U CN 203383854 U CN203383854 U CN 203383854U
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- 230000003139 buffering effect Effects 0.000 title 1
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Abstract
本实用新型公开了一种用于解决隧道局部突发涌水的缓冲系统,所述隧道内的积水通过中心沟排出至隧道外,所述隧道外侧的突发涌水区域设置有集水池,所述集水池外侧设有缓冲池,所述集水池与所述缓冲池之间通过泄水通道连接,所述缓冲池与所述中心沟之间通过排水管连接,所述排水管上安装有阀门,所述缓冲池内设有排水泵,所述排水泵的出水口与所述排水管的入水口连接。本实用新型利用缓冲池的临时屯水功能实现隧道局部突发涌水的及时收集和排放,避免涌水区域的水渗透到地面,减缓了涌水对隧道壁的冲击和挤压,起到安全泄压作用,利于隧道安全;本缓冲系统可设于隧道内任何涌水区域,建设和使用都很方便。
The utility model discloses a buffer system for solving the local sudden water gushing of a tunnel. The accumulated water in the tunnel is discharged to the outside of the tunnel through a central ditch, and a water collection pool is arranged in the sudden water gushing area outside the tunnel. A buffer pool is provided on the outside of the pool, and the pool is connected to the buffer pool through a drainage channel, and the buffer pool is connected to the central ditch through a drain pipe, and a valve is installed on the drain pipe. A drainage pump is arranged in the buffer pool, and the water outlet of the drainage pump is connected with the water inlet of the drainage pipe. The utility model utilizes the temporary water retention function of the buffer pool to realize the timely collection and discharge of local burst water in the tunnel, avoiding the water in the gushing area from seeping into the ground, slowing down the impact and extrusion of the gushing water on the tunnel wall, and playing the role of safe pressure relief , which is beneficial to the safety of the tunnel; the buffer system can be installed in any water gushing area in the tunnel, and it is very convenient to construct and use.
Description
技术领域technical field
本实用新型涉及一种隧道内的辅助排水系统,尤其涉及一种用于解决隧道局部突发涌水的缓冲系统。The utility model relates to an auxiliary drainage system in a tunnel, in particular to a buffer system for solving the local sudden water gushing in the tunnel.
背景技术Background technique
由于隧道构筑于地表之下,地层岩溶中的涌水时刻对隧道进行侵蚀,造成隧道的渗漏水。隧道的渗漏水不仅极大降低隧道内各种设施的使用寿命和功能,同时对于隧道安全行车的运营环境造成极大影响,为保障隧道安全及正常运营,需做好隧道的防排水。在地表突降暴雨等引起隧道局部突发涌水的区域,如隧道内排水能力不足易导致隧道内出现积水,此外,如局部突发涌水不能及时排走,隧道围岩外的水压也会对隧道结构造成很大压力,对于隧道结构安全及正常运营带来隐患。Since the tunnel is built under the surface, the water gushing in the stratum karst erodes the tunnel all the time, causing water leakage in the tunnel. Leakage in the tunnel not only greatly reduces the service life and functions of various facilities in the tunnel, but also has a great impact on the operating environment for safe driving in the tunnel. In order to ensure the safety and normal operation of the tunnel, it is necessary to do a good job in waterproofing and drainage of the tunnel. In the area where the sudden torrential rain on the surface causes the local sudden water gushing of the tunnel, if the drainage capacity in the tunnel is insufficient, it will easily lead to water accumulation in the tunnel. In addition, if the local sudden water gushing cannot be drained in time, the water pressure outside the tunnel surrounding rock will also increase. It puts a lot of pressure on the tunnel structure and brings hidden dangers to the safety and normal operation of the tunnel structure.
在现有隧道的排水设计中,针对于隧道常规涌水,采用环向排水盲管、纵向排水管、横向排水管、中心排水沟(下称中心沟)构成的系统来解决隧道排水问题。涌水的流程为:围岩→环向排水盲管→纵向排水管→横向排水盲管→中心沟→洞外出水口,每隔一定距离沿洞周环向铺设环向排水盲管,环向排水盲管下端与纵向排水管相连,纵向排水管每隔10-20m留有一出水口,通过横向排水管与纵向排水管和中心沟相连,经中心沟排出;围岩渗水进入环向排水盲管,纵向排水管汇集环向排水盲管的水,通过横向排水管排入中心沟,中心沟的水最后通过洞外排出口排出。“环向排水盲管—纵向排水管—横向排水管—中心沟”组成的这一系统可以解决隧道运营期间的常规涌水问题。In the drainage design of existing tunnels, a system consisting of circular drainage blind pipes, longitudinal drainage pipes, horizontal drainage pipes, and central drainage ditch (hereinafter referred to as the central ditch) is used to solve the tunnel drainage problem for conventional water gushing in the tunnel. The flow of water gushing is: surrounding rock→circular drainage blind pipe→longitudinal drainage pipe→horizontal drainage blind pipe→central ditch→water outlet outside the cave. The lower end of the pipe is connected with the vertical drainage pipe, and there is a water outlet every 10-20m in the vertical drainage pipe. The drainage pipe collects the water from the circular drainage blind pipe, and discharges into the central ditch through the horizontal drainage pipe, and the water in the central ditch is finally discharged through the outlet outside the cave. The system composed of "circumferential drainage blind pipe-longitudinal drainage pipe-horizontal drainage pipe-central ditch" can solve the conventional water gushing problem during tunnel operation.
针对地表突降暴雨等引起隧道局部突发涌水,一方面,隧道围岩外的涌水水压会对隧道结构造成很大的压力,这是现有隧道设计中未成考虑的,另一方面,由于局部突发涌水,由环向排水盲管收集的涌水量会增加,汇入中心沟的涌水量会增加,这会在某种程度上增加中心沟的排水压力,易造成中心沟排水能力不足,当隧道涌水通过中心沟溢流至隧道表面,这就对于隧道内的各种设施使用和行车安全带来一定的安全隐患,现有的隧道设计中同样未能考虑到此种情况的出现。Aiming at sudden local water gushing in the tunnel caused by sudden torrential rain on the surface, on the one hand, the water pressure outside the surrounding rock of the tunnel will cause a lot of pressure on the tunnel structure, which has not been considered in the existing tunnel design. On the other hand, due to In case of local sudden water gushing, the amount of water gushing collected by the circular drainage blind pipe will increase, and the amount of water gushing into the central ditch will increase, which will increase the drainage pressure of the central ditch to a certain extent, which will easily lead to insufficient drainage capacity of the central ditch. When the tunnel water overflows to the surface of the tunnel through the central ditch, it brings certain safety hazards to the use of various facilities in the tunnel and driving safety. The existing tunnel design also fails to take this situation into consideration.
实用新型内容Utility model content
本实用新型的目的就在于为了解决上述问题而提供一种用于解决隧道局部突发涌水的缓冲系统。The purpose of the utility model is to provide a buffer system for solving the local sudden water gushing of the tunnel in order to solve the above problems.
为了达到上述目的,本实用新型采用了以下技术方案:In order to achieve the above object, the utility model adopts the following technical solutions:
本实用新型所述用于解决隧道局部突发涌水的缓冲系统,所述隧道内的积水通过中心沟排出至隧道外,所述隧道外侧的突发涌水区域(隧道在施工勘察阶段,突发涌水区域即能确定,突发涌水流量根据实际勘测确定)设置有集水池,所述集水池外侧设有缓冲池,所述集水池与所述缓冲池之间通过泄水通道连接,所述缓冲池与所述中心沟之间通过排水管连接,所述排水管上安装有阀门,所述缓冲池内设有排水泵,所述排水泵的出水口与所述排水管的入水口连接。突发涌水区域只要出现涌水,则在其涌水压力作用下通过泄水通道流入缓冲池,实现即时排水;涌水后,缓冲池内的水由排水管直接排入中心沟,为下次涌水作准备。The utility model is used to solve the buffer system for local sudden water gushing in the tunnel. The accumulated water in the tunnel is discharged to the outside of the tunnel through the central ditch, and the sudden water gushing area outside the tunnel (the tunnel is in the construction investigation stage, the sudden The gushing area can be determined, and the sudden gushing flow rate is determined according to the actual survey). It is connected with the central ditch through a drainage pipe, and a valve is installed on the drainage pipe. A drainage pump is arranged in the buffer pool, and the water outlet of the drainage pump is connected with the water inlet of the drainage pipe. As long as water gushing occurs in the sudden water gushing area, it will flow into the buffer pool through the drainage channel under the gushing water pressure to realize immediate drainage; after the water gushing, the water in the buffer pool will be directly discharged into the central ditch through the drain pipe to prepare for the next water gushing.
为了实现自动控制,所述阀门为电控阀门,所述中心沟内与所述缓冲池对应位置的区域内安装有水位检测仪,所述缓冲池内的顶部和底部分别安装有顶部水位传感器和底部水位传感器,所述水位检测仪的信号输出端、所述顶部水位传感器的信号输出端和所述底部水位传感器的信号输出端分别与控制器的信号输入端连接,所述控制器的控制输出端分别与所述电控阀门的控制输入端和所述排水泵的控制输入端连接。In order to realize automatic control, the valve is an electric control valve, a water level detector is installed in the area corresponding to the buffer pool in the central ditch, and a top water level sensor and a bottom water level sensor are respectively installed on the top and bottom of the buffer pool. Water level sensor, the signal output end of the water level detector, the signal output end of the top water level sensor and the signal output end of the bottom water level sensor are respectively connected with the signal input end of the controller, and the control output end of the controller They are respectively connected with the control input end of the electric control valve and the control input end of the drainage pump.
本实用新型的有益效果在于:The beneficial effects of the utility model are:
本实用新型利用缓冲池的临时屯水功能实现隧道局部突发涌水的及时收集,避免涌水区域的水渗透到地面,减缓了涌水对隧道壁的冲击和挤压,起到泄压作用,同时,当部分突发涌水泄入缓冲池时,隧道内中心沟的水量也会减少,保障了中心沟排水的安全;涌水后,根据中心沟内的水高,通过排水管实现分时安全排放,最终实现安全泄压,利于隧道安全;本缓冲系统可设于隧道内任何涌水区域,建设和使用都很方便。The utility model utilizes the temporary water storage function of the buffer pool to realize the timely collection of local sudden water gushing in the tunnel, avoiding the water in the gushing area from seeping into the ground, slowing down the impact and extrusion of the gushing water on the tunnel wall, and playing the role of pressure relief. At the same time, When part of the sudden water gushing leaks into the buffer pool, the water volume in the central ditch in the tunnel will also decrease, ensuring the safety of drainage in the central ditch. Realize safe pressure relief, which is beneficial to the safety of the tunnel; this buffer system can be installed in any water gushing area in the tunnel, and it is very convenient to construct and use.
附图说明Description of drawings
图1是本实用新型所述缓冲系统的俯视结构示意图;Fig. 1 is the top view structural representation of buffer system described in the utility model;
图2是图1中C-C方向的断面结构放大示意图。Fig. 2 is an enlarged schematic diagram of the cross-sectional structure along the C-C direction in Fig. 1 .
具体实施方式Detailed ways
下面结合附图对本实用新型作进一步具体描述:Below in conjunction with accompanying drawing, the utility model is described in further detail:
如图1和图2所示,本实用新型所述缓冲系统应用于隧道排水系统,在隧道排水系统中,环向排水盲管(图中未示出)将水排入纵向排水管1,纵向排水管1的水依次汇入横向排水管(图中未示出),横向排水管的流量依次汇入中心沟2,中心沟2内的水排出到隧道外。图1中,断面A为隧道人字坡排水起点,断面B为泄水洞起点。As shown in Figure 1 and Figure 2, the buffer system described in the utility model is applied to the tunnel drainage system. In the tunnel drainage system, the circular drainage blind pipe (not shown in the figure) discharges water into the
如图1和图2所示,本实用新型所述缓冲系统中,隧道外侧的突发涌水区域Z(隧道在施工勘察阶段,突发涌水区域Z即能确定,突发涌水流量根据实际勘测确定)设置有集水池3,集水池3的外侧设有缓冲池5,集水池3与缓冲池6之间通过泄水通道4连接,缓冲池5与中心沟2之间通过排水管8连接,排水管8上安装有阀门9,缓冲池5内设有排水泵11,排水泵11的出水口与排水管8的入水口连接。突发涌水区域Z只要出现涌水,则在其涌水压力作用下通过泄水通道4流入缓冲池5,实现即时排水;涌水后,缓冲池5内的水由排水管8直接排入中心沟2,为下次涌水作准备。As shown in Figure 1 and Figure 2, in the buffer system of the present invention, the sudden water gushing area Z outside the tunnel (the tunnel is in the construction survey stage, the sudden water gushing area Z can be determined, and the sudden water gushing flow rate is determined according to the actual survey ) is provided with a
根据实际应用情况,对阀门9和排水泵11的控制分为手动控制和自动控制两种,若为手动控制,阀门9和排水泵11则采用手动阀门和手控排水泵;若采用自动控制,阀门9和排水泵11则采用电控阀门和电控排水泵,且还需增加水位检测仪7、顶部水位传感器10、底部水位传感器12和控制器(图中未示出),用于检测水位的水位检测仪7安装于中心沟2内与缓冲池5对应位置的区域内,顶部水位传感器10和底部水位传感器12分别安装于缓冲池5内的顶部和底部,水位检测仪7的信号输出端、顶部水位传感器10的信号输出端和底部水位传感器12的信号输出端分别与控制器的信号输入端连接,控制器的控制输出端分别与阀门9的控制输入端和排水泵11的控制输入端连接。According to actual application conditions, the control of
结合图1和图2,本实用新型所述缓冲系统采用以下方法控制:设中心沟2的高度为h,当中心沟2内与缓冲池5对应位置的水高为0.8h以上时,关闭排水泵11和排水管8上的阀门9;当中心沟2内与缓冲池5对应位置的水高为0.3h~0.8h时,如果预计下段时间上游水量不会增加,则开启排水泵11和排水管8上的阀门9,如果预计下段时间上游水量会增加,则关闭排水泵11和排水管8上的阀门9;当中心沟2内与缓冲池5对应位置的水高为0.3h以下时,开启排水泵11和排水管8上的阀门9,直至缓冲池5内的水排完,再关闭排水泵11和排水管8上的阀门9。上述控制方法对每一个缓冲单元(包括与突发涌水区域Z对应的集水池3、泄水通道4、缓冲池5、排水泵11、排水管8和阀门9,本例中为一个缓冲单元,实际应用中有多个缓冲单元)均适用。具体的控制过程中,可以采用上述的手动或自动控制,具体过程不再赘述。In conjunction with Fig. 1 and Fig. 2, the buffer system described in the utility model is controlled by the following method: set the height of the
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Cited By (6)
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CN103382853A (en) * | 2013-07-30 | 2013-11-06 | 西南交通大学 | Buffer system for draining local burst gushing water of tunnel and control method |
CN108194145A (en) * | 2018-03-15 | 2018-06-22 | 中国矿业大学(北京) | Mine water disaster alarm system based on infrared image |
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CN103382853A (en) * | 2013-07-30 | 2013-11-06 | 西南交通大学 | Buffer system for draining local burst gushing water of tunnel and control method |
CN103382853B (en) * | 2013-07-30 | 2015-07-15 | 西南交通大学 | Buffer system for draining local burst gushing water of tunnel and control method |
CN108223008A (en) * | 2018-03-02 | 2018-06-29 | 中铁第六勘察设计院集团有限公司 | A kind of buried Underwater Traffic Tunnel wastewater disposal basin dischargeable capacity optimization structure of Mining Method |
CN108194145A (en) * | 2018-03-15 | 2018-06-22 | 中国矿业大学(北京) | Mine water disaster alarm system based on infrared image |
CN108252741A (en) * | 2018-03-15 | 2018-07-06 | 中国矿业大学(北京) | Coal working face floods alarm system based on infrared image |
CN108457699A (en) * | 2018-03-15 | 2018-08-28 | 中国矿业大学(北京) | Driving face floods alarm system based on infrared image |
CN108457699B (en) * | 2018-03-15 | 2023-04-18 | 中国矿业大学(北京) | Tunneling working face flood alarm system based on infrared images |
CN108194145B (en) * | 2018-03-15 | 2023-04-18 | 中国矿业大学(北京) | Mine flood alarm system based on infrared image |
CN108252741B (en) * | 2018-03-15 | 2023-04-18 | 中国矿业大学(北京) | Coal face flood alarm system based on infrared image |
CN112050998A (en) * | 2020-09-18 | 2020-12-08 | 辽宁工程技术大学 | A tunnel construction model test device |
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