CN103591915A - Early warning system for monitoring deep hole tension type multipoint displacement and construction method - Google Patents
Early warning system for monitoring deep hole tension type multipoint displacement and construction method Download PDFInfo
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- CN103591915A CN103591915A CN201310606728.4A CN201310606728A CN103591915A CN 103591915 A CN103591915 A CN 103591915A CN 201310606728 A CN201310606728 A CN 201310606728A CN 103591915 A CN103591915 A CN 103591915A
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- 238000010276 construction Methods 0.000 title claims abstract description 14
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- 238000000034 method Methods 0.000 claims description 7
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Abstract
An early warning system for monitoring deep hole tension type multipoint displacement and a construction method belong to the field of safety early warning for rock stratum deformation displacement monitoring. The system is composed of an anchor head, a steel wire tensioning wire, a displacement data acquisition instrument concentrating disc, a solar storage battery, a wireless signal emitting device, a computer data processing terminal and an early warning system. When rock stratum sedimentation happens, data acquisition can be conducted on displacement increment through the displacement data acquisition instrument on the displacement data acquisition instrument concentrating disc. Acquired data are transmitted to a computer data processing terminal through the wireless signal emitting device, and the data are fed back to the early warning system after being processed. The early warning system can transmit an early warning result to a mobile phone through a wireless network to achieve the aim of safety monitoring and early warning. The early warning system for monitoring the deep hole tension type multipoint displacement and the construction method are used for monitoring the displacement increment of a rock body along the axial direction of drill holes, at most twenty monitoring points can be arranged in each drill hole, the largest drill hole depth can reach 600m, and the early warning system for monitoring the deep hole tension type multipoint displacement and the construction method are particularly applied to monitoring early warning of ground surface settlement induced by large underground excavation engineering of coal mining and the like.
Description
Technical field
The invention belongs to rock deformation displacement monitoring safe early warning field, a kind of deep hole stretching type multi-point displacement monitor and early warning system and construction method are provided.
Background technology
Mine deep mining causes goaf that superincumbent stratum original equilibrium stress is destroyed, under deadweight condition, form for a long time fracture bending, be caving, rock stratum produces displacement until ground settlement is caused on earth's surface, makes earth's surface structure (building) build thing and damages and a series of safety problem.For the exploitation of these deep mineral resources, cause strata displacement and surface subsidence and the problem of bringing thereof, particularly pay close attention in the industry, ground settlement and the disaster alarm key of caving in are to grasp strata displacement data.Therefore, for researching and solving, deep strata movement is lured ground settlement into and the disaster alarm problem of caving in, and obtains rock stratum internal displacement data intuitively and seems particularly important.
Summary of the invention
The object of the invention is in order to monitor rock stratum and ground settlement displacement data, solved that deep mining superincumbent stratum moves, ground settlement and the early warning difficult problem of caving in.
The maximum monitoring of the deep hole stretching type multi-point displacement monitor and early warning system provided by the invention degree of depth can reach 600m, whole deep hole multi-point displacement monitor and early warning system comprises following part: anchor head 1, steel wire stretching line 2, pressure-bearing spring 3, displacement data Acquisition Instrument is concentrated dish 4, displacement data Acquisition Instrument 5, wireless signal transmitting device 6, wireless signal receiver 7, analog to digital converter 8, computing machine 9, warning device 10, industry modem11, mobile phone 12, GPS orientator 13, solar storage battery 14, solar panel 15, cast concrete 16, communication cable 17, feeder cable 18, displacement data Acquisition Instrument is concentrated displacement data Acquisition Instrument 5 energy rock stratum, Real-time Collection deep and the ground settlement displacements on dish 4, the displacement data gathering is wirelessly transmitted to wireless signal receiver 7 by wireless signal transmitting device 6, through analog to digital converter 8, carry out analog to digital conversion, data as calculated machine 9 feed back to warning device 10 after processing and carry out early warning, and early warning result is sent to mobile phone 12 in time by industrial modem11.
Described anchor head 1 is for to be comprised of three heat treated anchor flukes of the process by tensioned.The number of anchor head 1 can reach at most 20, each anchor head 1 is uniformly distributed and is fixed in boring according to drilling depth, the weight of each anchor head 1 is 300g, by the anchor point of anchor head 1 appointment in weight is installed to boring, upwards draw steel wire stretching line 2, anchor head 1 anchor fluke is fixed on hole wall, steel wire stretching line 2 is fixed on displacement data Acquisition Instrument 5.
Described steel wire stretching line 2 diameters are 0.5mm, length is according to drilling depth requirement, maximum can reach 600 meters, possess lightweight, high strength, the feature such as distortion is little, plasticity is low, be distributed in specified design position in boring, every steel wire stretching line 2 one end connect an anchor head 1, and the other end is connecting displacement data Acquisition Instrument 5, steel wire stretching line 2, in tensioned state, keeps certain Chang Zhangli.
Described displacement data Acquisition Instrument 5 is arranged in displacement data Acquisition Instrument and concentrates on dish 4, and it is to determine that according to anchor head 1 number diameter dimension scope is the steel disc of 500mm-700mm that displacement data Acquisition Instrument is concentrated dish 4, and thickness is 5mm.Displacement data Acquisition Instrument concentrates dish 4 to be comprised of displacement data Acquisition Instrument 5, GPS orientator 13 etc.Displacement data Acquisition Instrument 5 is connected with wireless signal transmitting device 6, and each displacement data Acquisition Instrument 5 is all connected with wireless signal transmitting device 6 by communication cable 17.Displacement data Acquisition Instrument 5 gathers monitoring point, rock stratum displacement incremental data, and the data that collect transfer to computer data processing terminal through wireless signal transmitting device 6.Data are after machine is processed, analyzed as calculated, while reaching early warning value, by radio, data are sent to mobile phone 12 in the mode of short message.The change in displacement that GPS orientator 13 energy displacement monitoring data collecting instruments concentrate dish 4 to occur because of strata movement.Solar storage battery 14 guarantees the energy requirement of the concentrated dish 4 of displacement data Acquisition Instrument, GPS orientator 13 and wireless signal transmitting device 6.
Described computer data processing terminal comprises wireless signal receiver 7, analog to digital converter 8, computing machine 9, after processing the correlation displacement data that receive, directly feeds back to early warning system.
Described early warning system is data processing early warning software, warning device 10, industrial modem11, mobile phone 12, early warning system receives the displacement increment data from computer data processing terminal, if these data exceed the early warning value setting, there is early warning, and early warning information is sent to mobile phone 12.After warning device 10 produces warning message, corresponding treatment measures are made in the excessive displacement that staff can produce institute's monitoring location rock stratum in time.
A kind of deep hole stretching type multi-point displacement monitor and early warning system construction method provided by the invention comprises the steps:
(1) determine monitored area and hardened ground: determine the region that will monitor strata movement distortion, according to topographic condition, determine the position of boring, then the bore position in appointment carries out hardened ground so that the concentrated dish 4 of displacement data Acquisition Instrument, solar storage battery 14 etc. are installed;
(2) boring excavation: according to the degree of depth of the Depth determination boring of monitored area, thereby determine anchor head 1 quantity; According to anchor head 1 quantity, determine the diameter of boring and the diameter that displacement data Acquisition Instrument is concentrated dish 4; After the degree of depth of boring and diameter are determined, use rig at the position of appointment drilling; While drilling, drilling depth maximal value is no more than 600m, and drill hole inclination can not surpass 1%;
(3) hole flushing: accomplish fluently after boring, because leaving rock nitre and mud impurity in hole, carry out hole flushing with clear water, the impurity in hole is cleaned up, can arrive smoothly assigned address while making to transfer anchor head 1;
(4) anchor head 1 and steel wire stretching line 2 are installed: the formation condition disclosing according to scene boring is determined anchor point position; According to design, start to install anchor head 1, anchor head 1 is comprised of three heat treated anchor flukes of process by tensioned, anchor head 1 bottom connect a heavily about 2Kg from weight, anchor head 1 top is connected on the graduated steel wire stretching line 2 of mark; By transferring from weight and steel wire stretching alignment, then taut wire stretch-draw line 2 opens the spring on anchor fluke, and anchor fluke anchors to assigned address; Until anchor head 1, anchor to after assigned address, steel wire stretching line 2 is temporary fixed, after all anchor heads fix, successively steel wire stretching line 2 is connected on displacement data Acquisition Instrument 5; When deep hole anchor head is installed, drilling depth is than the dark 1m of innermost anchor head;
(5) displacement data Acquisition Instrument concentrates dish 4 install and fix: it is to determine according to the number of anchor head 1 steel disc that diameter dimension D scope is 500mm-700mm that displacement data Acquisition Instrument is concentrated dish 4, and thickness is 5mm; Displacement data Acquisition Instrument concentrates dish 4 to be fixed on the ground of having hardened by cast concrete 16 and pressure-bearing spring 3; That pressure-bearing spring 3 has is lightweight, high strength, distortion is little, plasticity is low feature, and Chang Zhangli is provided, and can guarantee that displacement data Acquisition Instrument concentrates dish 4 that large distortion does not occur; According to anchor head 1 number, displacement data Acquisition Instrument 5 is installed, the displacement data Acquisition Instrument 5 of each anchor head 1 correspondence is fixed on the concentrated dish 4 of displacement data Acquisition Instrument entirely, and the corresponding steel wire stretching line 2 of each anchor head 1 is hinged on corresponding displacement data Acquisition Instrument 5;
(6) GPS orientator 13, wireless signal transmitting device 6 and solar storage battery 14 are installed: GPS orientator 13 is arranged on to displacement data Acquisition Instrument and concentrates on dish 4, and wireless signal transmitting device 6 and solar storage battery 14 are installed; Wireless signal data sending apparatus 6 is connected with displacement data Acquisition Instrument 5 by communication cable 17, data can be read by wireless signal transmitting device 6 and be emitted to computer data processing terminal in the mode of wireless signal; Meanwhile, connect all displacement data Acquisition Instrument 5, GPS orientator 13 and wireless signal transmitting device 6, and debug by feeder cable 18, assurance displacement is counted Acquisition Instrument 5, wireless signal transmitting device 6 and GPS orientator 13 and can be worked; GPS orientator 13 is mainly that Real-Time Monitoring displacement data Acquisition Instrument concentrates dish because moving the displacement producing in stratum;
(7) computer data processing terminal installation and adjustment: wireless signal receiver 7 is installed, for guaranteeing that wireless signal receiver 7 can receive the signal of wireless signal transmitting device 6 transmittings, must guarantee that wireless signal receiver 7 and the distance at wireless signal transmitting device 6 intervals are no more than 2km; By communication cable 17, successively wireless signal receiver 7, analog to digital converter 8, computing machine 9 are connected, after installing, debug;
(8) installation and adjustment of early warning system: SMS alarm software is arranged on computing machine 9, alarm rule and correlation parameter are set, warning device 10 is directly connected with computing machine 9, industry modem11 is connected to warning device 10, the SMS alarm software being arranged on computing machine 9 can be processed the Monitoring Data of Real-time Collection, analyze, and on computing machine 9, shows and drawing data curve; If displacement data reaches the displacement early warning value that software arranges, warning device 10 will start, and industrial modem11 sends to warning message on managerial personnel's mobile phone 12, facilitate managerial personnel to understand in time and process alarm condition.
The present invention accurately automatic monitoring measures deep rock mass along the change in displacement of borehole axial, particularly Large Underground goaf superincumbent stratum change in displacement and ground settlement data, and reach monitoring, the degree of collecting data, feedback information robotization is accurately reliable.
Accompanying drawing explanation
Fig. 1 is deep hole stretching type multi-point displacement monitoring system figure of the present invention.
Fig. 2 is deep hole stretching type multi-point displacement monitor and early warning system network structure of the present invention.
Fig. 3 is that displacement data Acquisition Instrument of the present invention is concentrated dish figure.
In figure: 1-anchor head; 2-steel wire stretching line; 3-pressure-bearing spring; 4-displacement data Acquisition Instrument is concentrated dish; 5-displacement data Acquisition Instrument; 6-wireless signal transmitting device; 7-wireless signal receiver; 8-analog to digital converter; 9-computing machine; 10-warning device; 11-industrial modem; 12-mobile phone; 13-GPS orientator; 14-solar storage battery; 15-solar panel; 16-cast concrete; 17-communication cable; 18-feeder cable.
Embodiment
For further describing the present invention, below in conjunction with accompanying drawing, deep hole stretching type multi-point displacement early warning system structure of the present invention is described further.In conjunction with diagram, be below the idiographic flow that this deep hole stretching type multi-point displacement early warning system is installed:
(1) determine monitored area and hardened ground: determine the region that will monitor strata movement distortion, according to topographic condition, determine the position of boring, then the bore position in appointment carries out hardened ground so that the concentrated dish 4 of displacement data Acquisition Instrument, solar storage battery 14 etc. are installed;
(2) boring excavation: as shown in Figure 1,3, according to the degree of depth L of the Depth determination boring of monitored area, thereby determine anchor head 1 quantity N; According to anchor head 1 quantity N, determine the diameter d of boring and the diameter D that displacement data Acquisition Instrument is concentrated dish 4; After the degree of depth L of boring and diameter d are determined, use rig at the position of appointment drilling; While drilling, drilling depth L maximal value is no more than 600m, and drill hole inclination can not surpass 1%;
(3) hole flushing: accomplish fluently after boring, because leaving rock nitre and mud impurity in hole, carry out hole flushing with clear water, the impurity in hole is cleaned up, can arrive smoothly assigned address while making to transfer anchor head 1;
(4) anchor head 1 and steel wire stretching line 2 are installed: the formation condition disclosing according to scene boring is determined anchor point position; According to design, start to install anchor head 1, anchor head 1 is comprised of three heat treated anchor flukes of process by tensioned, anchor head 1 bottom connect a heavily about 2Kg from weight, anchor head 1 top is connected on the graduated steel wire stretching line 2 of mark; By transferring from weight and steel wire stretching alignment, then taut wire stretch-draw line 2 opens the spring on anchor fluke, and anchor fluke anchors to assigned address; Until anchor head 1, anchor to after assigned address, steel wire stretching line 2 is temporary fixed, after all anchor heads fix, successively steel wire stretching line 2 is connected on displacement data Acquisition Instrument 5; When deep hole anchor head is installed, drilling depth is than the dark 1m of innermost anchor head;
(5) displacement data Acquisition Instrument concentrates dish 4 install and fix: as shown in Figure 3, it is to determine according to anchor head 1 number the steel disc that diameter dimension D scope is 500mm-700mm that displacement data Acquisition Instrument is concentrated dish 4, and thickness is 5mm; Displacement data Acquisition Instrument concentrates dish 4 to be fixed on the ground of having hardened by cast concrete 16 and pressure-bearing spring 3; That pressure-bearing spring 3 has is lightweight, high strength, distortion is little, plasticity is low feature, and Chang Zhangli is provided, and can guarantee that displacement data Acquisition Instrument concentrates dish 4 that large distortion does not occur; According to anchor head 1 number, displacement data Acquisition Instrument 5 is installed, the displacement data Acquisition Instrument 5 of each anchor head 1 correspondence is fixed on the concentrated dish 4 of displacement data Acquisition Instrument entirely, and the corresponding steel wire stretching line 2 of each anchor head 1 is hinged on corresponding displacement data Acquisition Instrument 5;
(6) GPS orientator 13, wireless signal transmitting device 6 and solar storage battery 14 are installed: GPS orientator 13 is arranged on to displacement data Acquisition Instrument and concentrates on dish 4, and wireless signal transmitting device 6 and solar storage battery 14 are installed; Wireless signal data sending apparatus 6 is connected with displacement data Acquisition Instrument 5 by communication cable 17, data can be read by wireless signal transmitting device 6 and be emitted to computer data processing terminal in the mode of wireless signal; Meanwhile, connect all displacement data Acquisition Instrument 5, GPS orientator 13 and wireless signal transmitting device 6, and debug by feeder cable 18, assurance displacement is counted Acquisition Instrument 5, wireless signal transmitting device 6 and GPS orientator 13 and can be worked; GPS orientator 13 is mainly that Real-Time Monitoring displacement data Acquisition Instrument concentrates dish because moving the displacement producing in stratum;
(7) installation and adjustment of computer data processing terminal: wireless signal receiver 7 is installed, for guaranteeing that wireless signal receiver 7 can receive the signal of wireless signal transmitting device 6 transmittings, must guarantee that wireless signal receiver 7 and the distance at wireless signal transmitting device 6 intervals are no more than 2km; By communication cable 17, successively wireless signal receiver 7, analog to digital converter 8, computing machine 9 are connected, after installing, debug;
(8) installation and adjustment of early warning system: SMS alarm software is arranged on computing machine 9, alarm rule and correlation parameter are set, warning device 10 is directly connected with computing machine 9, industry modem11 is connected to warning device 10, the SMS alarm software being arranged on computing machine 9 can be processed the Monitoring Data of Real-time Collection, analyze, and on computing machine 9, shows and drawing data curve; If displacement data reaches the displacement early warning value that software arranges, warning device 10 will start, and industrial modem11 sends to warning message on managerial personnel's mobile phone 12, facilitate managerial personnel to understand in time and process alarm condition.
Claims (6)
1. a deep hole stretching type multi-point displacement monitor and early warning system and construction method, it is characterized in that: comprise following part: anchor head (1), steel wire stretching line (2), pressure-bearing spring (3), displacement data Acquisition Instrument is concentrated dish (4), displacement data Acquisition Instrument (5), wireless signal transmitting device (6), wireless signal receiver (7), analog to digital converter (8), computing machine (9), warning device (10), industry modem(11), mobile phone (12), GPS orientator (13), solar storage battery (14), solar panel (15), cast concrete (16), communication cable (17), feeder cable (18), anchor head (1) is evenly anchored in boring, anchor head (1) is connected to measuring point displacement data collecting instrument through steel wire stretching line (2) and concentrates on the displacement data Acquisition Instrument (5) in dish (4), displacement increment is wirelessly transmitted to wireless signal receiver (7) by displacement data Acquisition Instrument (5) by wireless signal transmitting device (6), through analog to digital converter (8), carry out analog to digital conversion, data as calculated machine (9) feed back to warning device (10) after processing and carry out early warning, early warning result by industrial modem(11) send in time mobile phone (12).
2. a kind of deep hole stretching type multi-point displacement monitor and early warning system as claimed in claim 1 and construction method, it is characterized in that: anchor head (1) is comprised of three heat treated anchor flukes of the process by tensioned, be connected to steel wire stretching line (2) upper, on earth's surface, steel wire stretching line (2) be hinged on displacement data Acquisition Instrument (5).
3. a kind of deep hole stretching type multi-point displacement monitor and early warning system as claimed in claim 1 and construction method, is characterized in that: its range of deep hole stretching type multi-point displacement monitor and early warning system is divided into Three Estate, is respectively 0-2m, 0-5m, 0-10m; Resolution is 0.5mm, and fitting depth is 0～600m, and anchor head number is 1～20; According to the confirmable bore diameter scope of anchor head number, be 100-300mm, anchor head length 110-330mm, anchor head weight 300g; According to the confirmable displacement data Acquisition Instrument of anchor head number, concentrating the scope of dish (4) diameter is 500-700mm, and weight is 20kg, steel wire stretching linear diameter 0.5mm, and length is 10-600 rice according to boring length.
4. a kind of deep hole stretching type multi-point displacement monitor and early warning system as claimed in claim 1 and construction method, it is characterized in that: displacement data Acquisition Instrument (5) is fixed on displacement data Acquisition Instrument and concentrates dish (4) upper, and displacement data Acquisition Instrument concentrates dish (4) to be comprised of displacement data Acquisition Instrument (5) and GPS orientator (13).
5. a kind of deep hole stretching type multi-point displacement monitor and early warning system as claimed in claim 1 and construction method, it is characterized in that: computer data processing terminal comprises wireless signal receiver (7), analog to digital converter (8), computing machine (9), early warning system comprises data processing early warning software, warning device (10), industrial modem(11), mobile phone (12).
6. a kind of deep hole stretching type multi-point displacement monitor and early warning system as claimed in claim 1 and construction method, is characterized in that: described construction method comprises the steps:
(1) determine monitored area and hardened ground: determine the region that will monitor strata movement distortion, according to topographic condition, determine the position of boring, then the bore position in appointment carries out hardened ground so that the concentrated dish of displacement data Acquisition Instrument (4) and solar storage battery (14) are installed;
(2) boring excavation: according to the degree of depth of the Depth determination boring of monitored area, thereby determine anchor head (1) quantity; According to anchor head (1) quantity, determine the diameter of boring and the diameter that displacement data Acquisition Instrument is concentrated dish (4); After the degree of depth of boring and diameter are determined, use rig at the position of appointment drilling; While drilling, drilling depth maximal value is no more than 600m, and drill hole inclination can not surpass 1%;
(3) hole flushing: accomplish fluently after boring, because leaving rock nitre and mud impurity in hole, carry out hole flushing with clear water, the impurity in hole is cleaned up, can arrive smoothly assigned address while making to transfer anchor head (1);
(4) anchor head (1) and steel wire stretching line (2) are installed: the formation condition disclosing according to scene boring is determined anchor point position; According to design, start to install anchor head (1), anchor head (1) is comprised of three heat treated anchor flukes of process by tensioned, anchor head (1) bottom connect a heavily about 2Kg from weight, anchor head (1) top is connected on the graduated steel wire stretching line of mark (2); By transferring from weight and steel wire stretching alignment, then taut wire stretch-draw line (2) opens the spring on anchor fluke, and anchor fluke anchors to assigned address; Until anchor head (1), anchor to after assigned address, steel wire stretching line (2) is temporary fixed, after all anchor heads fix, successively steel wire stretching line (2) is connected on displacement data Acquisition Instrument (5); When deep hole anchor head is installed, drilling depth is than the dark 1m of innermost anchor head;
(5) displacement data Acquisition Instrument concentrates dish (4) install and fix: it is to determine that according to the number of anchor head (1) diameter dimension scope is the steel disc of 500mm-700mm that displacement data Acquisition Instrument is concentrated dish (4), and thickness is 5mm; Displacement data Acquisition Instrument concentrates dish (4) to be fixed on the ground of having hardened by cast concrete (16) and pressure-bearing spring (3); That pressure-bearing spring (3) has is lightweight, high strength, distortion is little, plasticity is low feature, and Chang Zhangli is provided, and can guarantee that displacement data Acquisition Instrument concentrates dish (4) that large distortion does not occur; According to anchor head (1) number, displacement data Acquisition Instrument (5) is installed, make the displacement data Acquisition Instrument (5) that each anchor head (1) is corresponding entirely be fixed on the concentrated dish of displacement data Acquisition Instrument (4) above, and the corresponding steel wire stretching line of each anchor head (1) (2) is hinged on corresponding displacement data Acquisition Instrument (5);
(6) GPS orientator (13), wireless signal transmitting device (6) and solar storage battery (14) are installed: GPS orientator (13) is arranged on to displacement data Acquisition Instrument and concentrates dish (4) upper, and wireless signal transmitting device (6) and solar storage battery (14) are installed; Wireless signal data sending apparatus (6) is connected with displacement data Acquisition Instrument (5) by communication cable (17), makes data by wireless signal transmitting device (6), to be read and to launch in the mode of wireless signal, to computer data processing terminal; Simultaneously, by feeder cable (18), connect all displacement data Acquisition Instruments (5), GPS orientator (13) and wireless signal transmitting device (6), and debug, assurance displacement is counted Acquisition Instrument (5), wireless signal transmitting device (6) and GPS orientator (13) and can be worked;
(7) computer data processing terminal installation and adjustment: wireless signal receiver (7) is installed, for guaranteeing that wireless signal receiver (7) can receive the signal of wireless signal transmitting device (6) transmitting, must guarantee that wireless signal receiver (7) and the distance at wireless signal transmitting device (6) interval are no more than 2km; By communication cable (17), successively wireless signal receiver (7), analog to digital converter (8), computing machine (9) are connected, after installing, debug;
(8) installation and adjustment of early warning system: SMS alarm software is arranged on computing machine (9), alarm rule and correlation parameter are set, warning device (10) is directly connected with computing machine (9), industry modem(11) be connected to warning device (10), the SMS alarm software being arranged on computing machine (9) can be processed the Monitoring Data of Real-time Collection, analyze, at the upper also drawing data curve that shows of computing machine (9); If displacement data reaches the displacement early warning value that software arranges, warning device (10) will start, industrial modem(11) that warning message is sent to managerial personnel's mobile phone (12) is upper, facilitates managerial personnel's understanding in time and processing alarm condition.
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