CN112160319B - Self-adjusting bolt device and method for reinforcement of layered wading rock mass in wading zone - Google Patents

Self-adjusting bolt device and method for reinforcement of layered wading rock mass in wading zone Download PDF

Info

Publication number
CN112160319B
CN112160319B CN202011103574.3A CN202011103574A CN112160319B CN 112160319 B CN112160319 B CN 112160319B CN 202011103574 A CN202011103574 A CN 202011103574A CN 112160319 B CN112160319 B CN 112160319B
Authority
CN
China
Prior art keywords
rock mass
stress
foaming agent
water content
wading
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202011103574.3A
Other languages
Chinese (zh)
Other versions
CN112160319A (en
Inventor
孙钱程
刘圣
徐晓
柳世增
徐志华
阮航
危灿
张国栋
何钰铭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Three Gorges University CTGU
Original Assignee
China Three Gorges University CTGU
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Three Gorges University CTGU filed Critical China Three Gorges University CTGU
Priority to CN202011103574.3A priority Critical patent/CN112160319B/en
Publication of CN112160319A publication Critical patent/CN112160319A/en
Application granted granted Critical
Publication of CN112160319B publication Critical patent/CN112160319B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74Means for anchoring structural elements or bulkheads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

本发明公开了用于消落带层状涉水岩体加固的自调节锚杆装置及方法,锚杆上套装有用于对其施加张拉力的应力调节托盘,所述锚杆上加工有外螺纹,所述外螺纹上缠绕有用于输送发泡剂的发泡剂输送管,所述发泡剂输送管上设置有用于释放出发泡剂的发泡剂喷发口;所述外螺纹上缠绕有光纤,所述锚杆上粘贴有用于监测锚杆与岩体之间应力的应力应变传感器和用于监测锚杆与岩体间隙含水率的含水量检测传感器;所述应力应变传感器通过光纤与设备控制端相连,所述含水量检测传感器通过信号线与设备控制端相连。此锚杆能够对锚杆与岩体之间的应力进行实时监测,并获取岩体破坏的方式,及时对失去中间薄层的相邻岩体间进行填补。

Figure 202011103574

The invention discloses a self-adjusting bolt device and a method for reinforcing a layered wading rock mass in a wading zone. The bolt is sleeved with a stress-adjusting tray for applying tension force to it, and the bolt is machined with external threads. , the outer thread is wound with a foaming agent conveying pipe for conveying the foaming agent, and the foaming agent conveying pipe is provided with a foaming agent ejection port for releasing the foaming agent; the outer thread is wound with an optical fiber , the anchor rod is pasted with a stress-strain sensor for monitoring the stress between the anchor rod and the rock mass and a water content detection sensor for monitoring the water content of the gap between the anchor rod and the rock mass; the stress-strain sensor is controlled by optical fibers and equipment The water content detection sensor is connected to the control end of the device through a signal line. This bolt can monitor the stress between the bolt and the rock mass in real time, obtain the way of the rock mass failure, and fill in the adjacent rock mass that loses the middle thin layer in time.

Figure 202011103574

Description

Self-adjusting anchor rod device and method for reinforcing laminar wading rock body of falling zone
Technical Field
The invention belongs to the technical field of construction of a rock bolt of a hydro-fluctuation belt, and particularly relates to a self-adjusting anchor rod device and a method for reinforcing a laminar wading rock of the hydro-fluctuation belt.
Background
The functions of shipping, flood control and power generation are fully exerted since the operation of the three gorges project, and huge economic benefits are brought. In the operation process, the method also faces more engineering rock mass problems, wherein the most serious problem is the safety and stability of the rock mass at the hydro-fluctuation belt. The water level of the three gorges reservoir area can periodically change along with the alternation of seasons to form a hydro-fluctuation belt with the height of about 30m, and rock masses in the hydro-fluctuation belt undergo periodic alternation of dryness and humidity, so that damage is easily accumulated, and the safety problem of the rock masses is caused. And because the span of reservoir areas is large, rock mass structures in the hydro-fluctuation belt are also complex and various, and the stratosphere rock mass with the same trend is one of the more common structures. When the rock mass undergoes periodic alternation of dryness and wetness, the interpass cementation is weakened along with the alternation of dryness and wetness, so that the lamellar rock mass gradually breaks away from a bank slope to form local interpass void. Lose the adjacent rock mass of middle lamina on the one hand and water contact area grow when the water level rises, lose on the one hand and depend on the ability, thereby easily take place to drop and influence rock mass stability.
The anchor rod is used as a common rock mass reinforcing means and is widely applied to the prevention and control engineering of various engineering rock masses. Current traditional stock, the structure of accessible adjustment stock strengthens frictional force between stock and rock mass on the one hand, or adjusts the cementing material between stock and rock mass and strengthens the adhesion between stock and rock mass, and then reaches and strengthens the anchor effect. However, when the rock body cracks or falls off after being reinforced, the safety and stability of the rock body cannot be effectively protected, and the long-term safety and stability of the offset zone is realized.
On the other hand accessible carries out stress monitoring to the stock and comes the early warning, carries out stress monitoring to the stock and generally uses the fiber grating, can implant fiber into the fiber reinforced resin stock, also can lay the fiber grating with the stock surface, be under construction together with the stock. The stress change of the anchor rod is monitored and early warning is given out, but the defects of single function, short acting timeliness and the like exist.
Disclosure of Invention
The invention aims to provide a self-adjusting anchor rod device and a method for reinforcing a water-wading rock body in a falling zone layer, wherein the anchor rod can monitor the stress between the anchor rod and the rock body in real time, acquire a rock body damage mode and fill the space between adjacent rock bodies without middle thin layers in time so as to fulfill the aim of reinforcing the rock body and ensure the safety and stability of the rock body.
In order to achieve the technical features, the invention is realized as follows: the self-adjusting anchor rod device for reinforcing the laminar wading rock body of the falling zone comprises an anchor rod, wherein a stress adjusting tray for applying tensile force to the anchor rod is sleeved on the anchor rod, an external thread is processed on the anchor rod, a foaming agent conveying pipe for conveying a foaming agent is wound on the external thread, and a foaming agent spraying opening for releasing the foaming agent is formed in the foaming agent conveying pipe; the external thread is wound with optical fibers, and the anchor rod is adhered with a stress-strain sensor for monitoring the stress between the anchor rod and the rock mass and a water content detection sensor for monitoring the water content of the gap between the anchor rod and the rock mass; the stress strain sensor is connected with the equipment control end through an optical fiber, and the water content detection sensor is connected with the equipment control end through a signal line.
The inlet of the foaming agent conveying pipe is connected with a foaming agent storage and spraying device, and the foaming agent storage and spraying device is connected with an equipment control end for controlling the opening of the foaming agent storage and spraying device.
When anchoring, the stress adjustment tray contacts with the rock mass surface and provides anchoring pressure, and after receiving the equipment control end signal, adjusts anchoring pressure.
An installation groove is formed in one end, located at the stress adjusting tray, of the anchor rod, and the ends of the foaming agent conveying pipe, the signal wire and the optical fiber penetrate through the installation groove and then are connected with the control end of the equipment; the foaming agent conveying pipe, the signal wire and the optical fiber are all made of high-strength resin materials as protective layers.
The foaming agent eruption ports on the external threads in the same circle are uniformly distributed in four directions.
The stress strain sensor and the water content detection sensor are adhered to the outer surface of the anchor rod through high-strength resin.
The method for reinforcing the laminar wading rock body of the falling zone by adopting the self-adjusting anchor rod device comprises the following steps:
the method comprises the following steps: installing a self-adjusting anchor rod device at the position of the hydro-fluctuation belt, and applying initial stress to the anchor rod through the stress adjusting tray;
step two: the method comprises the following steps that (1) the falling zone stratified rock body is degraded under the action of reservoir water, the interlayer cementing force is reduced, so that a local stratified rock body is separated from a matrix, the separated block body is reduced by environmental stress, the stress change of the periphery of an anchor rod body is monitored in real time through a stress-strain sensor, the detected data are transmitted to an equipment control end, and the position of the stratum body with the tendency to generate the interlayer cementing change is judged; monitoring the water content between the anchor rod and the layer in real time through a water content detection sensor, and transmitting the detected data to an equipment control end;
step three: the equipment control end judges whether the rock mass where the anchor rod is located is a rock mass crack or rock stratum falls off according to the received data; if the stress is monitored to be continuously reduced, the crack is a rock body gap; if the stress is monitored to change suddenly and greatly, the rock stratum falls off;
step four: if the laminar rock body cracks are monitored in the third step, the control end of the device controls the foaming agent storage and spraying device to be opened, the foaming agent storage and spraying device sprays the foaming agent, the foaming agent is sprayed out from a foaming agent spraying opening through a foaming agent conveying pipe, the position where the rock body cracks occur is filled, and interlayer cementation is enhanced;
step five: after the interlayer rock mass cracks are filled, the stress of the interlayer rock mass is increased, the stress strain sensor detects the stress rise, and the stress information is sent to the equipment control end;
step six: after receiving the stress rising information, the equipment control end controls the stress adjusting tray to increase the stress of the supporting tray, so that the supporting tray is anchored on the rock mass, and the safety of the rock mass is protected;
step seven: if the rock stratum is monitored to fall off in the third step, the equipment control end controls the stress adjusting tray to release the stress of the tray, the pressure of the tray on the rock mass is reduced, and the safety of the rock mass is protected;
step eight: when the stress of the stress adjusting tray is reduced, the equipment control end controls the foaming agent storage and spraying device to spray the foaming agent;
step nine: after the foaming agent is filled in the step eight, if the rock body where the anchor rod is located is above the water level, the crack water between rock body layers cannot be evaporated due to the isolation of the foaming agent, so that the water content of the rock body is increased, is detected by a water content detection sensor and is transmitted back to the equipment control end;
step ten: after the equipment control end receives the increase of the water content, judging that the cavity at the rock mass falling part is filled completely, and controlling the foaming agent storage and spraying device to stop spraying to finish repairing;
step eleven: after the foaming agent is filled in the step eight, if the anchor rod is positioned below the water surface, the water content is reduced due to the fact that the foaming agent is filled into the empty layer to separate water, the water content is detected by a water content detection sensor and is transmitted back to the equipment control end;
step twelve: and after the equipment control end receives the reduction of the water content, judging that the cavity at the rock mass falling part is filled completely, controlling the foaming agent storage and spraying device to stop spraying, and completing the repair.
The invention has the following beneficial effects:
1. this stock can carry out real-time supervision to the stress between stock and the rock mass to acquire the mode that the rock mass destroys, in time fill between the adjacent rock mass of thin layer in the middle of losing, with the purpose that reaches the reinforced rock mass, guaranteed the safety and stability nature of rock mass.
2. Through foretell foaming agent storage eruption device, can be when needs are filled, automatic control foaming agent storage eruption device spouts the foaming agent to carry the foaming agent conveyer pipe, and then carry the foaming agent to the rock mass crack through the foaming agent conveyer pipe, and then play the purpose of reinforcing the rock mass.
3. Through foretell stress adjustment tray can be through rotatory, and then increase the anchor power between stock and the rock mass.
4. The installation groove is convenient for various pipelines to pass through, and further ensures the normal pressure application of the stress adjusting tray.
5. Through hole site arrangement mode, guaranteed that in the filling process, the foamer can be along the stock with four directions blowout in circle, and then guaranteed the filling effect.
6. Through the arrangement mode, the structural strength of the stress strain sensor and the water content detection sensor is enhanced.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of the invention.
FIG. 3 is an enlarged view of a portion A of FIG. 1 according to the present invention.
Fig. 4 is a partial enlarged view of B of fig. 2 according to the present invention.
Fig. 5 is a view showing the actual installation of the anchor rod of the present invention.
FIG. 6 is a flow chart of a consolidation method of the present invention.
In the figure: the device comprises an equipment control end 1, a foaming agent storage and spraying device 2, a stress adjusting tray 3, a foaming agent spraying opening 4, a foaming agent conveying pipe 5, an optical fiber 6, an anchor rod 7, a stress strain sensor 8, a water content detection sensor 9, an external thread 10, an installation groove 11 and a signal line 12.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-6, the self-adjusting anchor rod device for reinforcing the waterlogged rock body with the falling zone comprises an anchor rod 7, wherein a stress adjusting tray 3 for applying tensile force to the anchor rod 7 is sleeved on the anchor rod 7, an external thread 10 is processed on the anchor rod 7, a foaming agent conveying pipe 5 for conveying a foaming agent is wound on the external thread 10, and a foaming agent spraying opening 4 for releasing the foaming agent is formed in the foaming agent conveying pipe 5; the external thread 10 is wound with an optical fiber 6, and the anchor rod 7 is adhered with a stress-strain sensor 8 for monitoring the stress between the anchor rod and the rock mass and a water content detection sensor 9 for monitoring the water content of the gap between the anchor rod and the rock mass; the stress strain sensor 8 is connected with the equipment control end 1 through an optical fiber 6, and the water content detection sensor 9 is connected with the equipment control end 1 through a signal wire 12. Through adopting foretell self-interacting stock device, can carry out real-time supervision to the stress between stock and the rock mass to acquire the mode that the rock mass destroys, in time fill between the adjacent rock mass of thin layer in the middle of losing, with the purpose that reaches the consolidated rock mass, guaranteed the safety and stability of rock mass.
Further, the inlet of the foaming agent conveying pipe 5 is connected with a foaming agent storage and spraying device 2, and the foaming agent storage and spraying device 2 is connected with an equipment control end 1 for controlling the opening of the foaming agent storage and spraying device. By the foaming agent storage and spraying device 2, when the foaming agent is required to be filled, the foaming agent storage and spraying device 2 is automatically controlled to spray the foaming agent and convey the foaming agent to the foaming agent conveying pipe 5, and then the foaming agent is conveyed to the rock body cracks through the foaming agent conveying pipe 5, so that the aim of reinforcing the rock body is fulfilled.
Further, the stress adjustment tray 3 is in contact with the rock surface and provides an anchoring pressure when anchoring. Through foretell stress adjustment tray 3 can be through rotatory, and then increase the anchor power between stock and the rock mass.
Furthermore, an installation groove 11 is formed in one end, located at the stress adjusting tray 3, of the anchor rod 7, and the ends of the foaming agent conveying pipe 5, the signal wire 12 and the optical fiber 6 penetrate through the installation groove 11 and then are connected with the equipment control end 1; the blowing agent delivery tube 5, the signal line 12, and the optical fiber 6 are all made of a high-strength resin material as a protective layer. The installation groove 11 is convenient for various pipelines to pass through, thereby ensuring the normal pressure of the stress adjusting tray 3.
Furthermore, the foaming agent eruption ports 4 on the same circle of external threads 10 are uniformly distributed in four directions. Through hole site arrangement mode, guaranteed that in the filling process, the foamer can be along the stock with four directions blowout in circle, and then guaranteed the filling effect.
Further, the stress-strain sensor 8 and the water content detection sensor 9 are adhered to the outer surface of the anchor rod 7 by high-strength resin. By the above arrangement, the structural strength of the stress-strain sensor 8 and the water content detection sensor 9 is enhanced.
Example 2:
referring to fig. 6, the method for reinforcing the rock mass of the hydro-fluctuation belt by using the self-adjusting anchor rod device comprises the following steps:
the method comprises the following steps: installing a self-adjusting anchor rod device at the position of the hydro-fluctuation belt, and applying initial stress to the anchor rod 7 through the stress adjusting tray 3;
step two: erosion of rock masses in the falling zone is caused under the action of reservoir water lifting, cementation between rock mass layers is weakened, stress change of rock masses around the anchor rod 7 is monitored in real time through the stress strain sensor 8, detected data are transmitted to the equipment control end 1, and the position of the settlement change of the rock masses along the dip zone is judged; monitoring the water content between the anchor rod 7 and the layer in real time through a water content detection sensor 9, and transmitting the detected data to the equipment control end 1;
step three: the equipment control end 1 judges whether the rock body where the anchor rod 7 is located is a rock body crack or rock stratum falls off according to the received data; if the stress is monitored to be continuously reduced, the crack is a rock body gap; if the stress is monitored to change suddenly and greatly, the rock stratum falls off;
step four: if the laminar rock mass cracks are monitored in the third step, the equipment control end 1 controls the foaming agent storage and spraying device 2 to be opened, the foaming agent storage and spraying device 2 sprays the foaming agent, the foaming agent is sprayed out from the foaming agent spraying opening 4 through the foaming agent conveying pipe 5, the position where the rock mass cracks occur is filled, and interlayer cementation is enhanced;
step five: after the interlayer rock mass cracks are filled, the stress of the interlayer rock mass is increased, the stress strain sensor 8 detects the stress rise, and the stress information is sent to the equipment control end 1;
step six: after receiving the stress rising information, the equipment control end 1 controls the stress adjusting tray 3 to increase the stress of the supporting tray, so that the supporting tray is anchored on the rock mass, and the safety of the rock mass is protected;
step seven: if the rock stratum is monitored to fall off in the third step, the equipment control end 1 controls the stress adjusting tray 3 to release the tray stress, so that the pressure of the tray on the rock mass is reduced, and the safety of the rock mass is protected;
step eight: when the stress of the stress adjusting tray 3 is reduced, the equipment control end 1 controls the foaming agent storing and spraying device 2 to spray the foaming agent;
step nine: after the foaming agent is filled in the step eight, if the rock mass of the anchor rod 7 is above the water level, the crack water between rock mass layers cannot be evaporated due to the isolation of the foaming agent, so that the water content of the rock mass is increased, is detected by the water content detection sensor 9 and is transmitted back to the equipment control end 1;
step ten: when the equipment control end 1 receives the increase of the water content, the cavity filling at the rock mass falling part is judged to be finished, and the foaming agent storage and spraying device 2 is controlled to stop spraying and finish the repairing;
step eleven: after the foaming agent is filled in the step eight, if the anchor rod 7 is positioned below the water surface, the water content is reduced due to the fact that the foaming agent is filled into the empty layer to separate water, the water content is detected by the water content detection sensor 9 and is transmitted back to the equipment control end 1;
step twelve: and after the equipment control end 1 receives the reduction of the water content, judging that the cavity at the rock mass falling part is filled completely, and controlling the foaming agent storage and spraying device 2 to stop spraying to finish repairing.

Claims (5)

1.用于消落带层状涉水岩体加固的自调节锚杆装置,其特征在于:它包括锚杆(7),所述锚杆(7)上套装有用于对其施加张拉力的应力调节托盘(3),所述锚杆(7)上加工有外螺纹(10),所述外螺纹(10)上缠绕有用于输送发泡剂的发泡剂输送管(5),所述发泡剂输送管(5)上设置有用于释放出发泡剂的发泡剂喷发口(4);所述外螺纹(10)上缠绕有光纤(6),所述锚杆(7)上粘贴有用于监测锚杆与岩体之间应力的应力应变传感器(8)和用于监测锚杆与岩体间隙含水率的含水量检测传感器(9);所述应力应变传感器(8)通过光纤(6)与设备控制端(1)相连,所述含水量检测传感器(9)通过信号线(12)与设备控制端(1)相连;1. The self-adjusting bolt device used for the reinforcement of layered wading rock mass in the wading zone is characterized in that: it comprises a bolt (7), and the bolt (7) is covered with a bolt for applying tension force to it. A stress-adjusting tray (3), an external thread (10) is processed on the anchor rod (7), and a foaming agent conveying pipe (5) for conveying a foaming agent is wound on the external thread (10), and the The foaming agent delivery pipe (5) is provided with a foaming agent ejection port (4) for releasing the foaming agent; the outer thread (10) is wound with an optical fiber (6), and the anchor rod (7) is pasted on the There is a stress-strain sensor (8) for monitoring the stress between the bolt and the rock mass, and a water content detection sensor (9) for monitoring the water content in the gap between the bolt and the rock mass; the stress-strain sensor (8) is connected through an optical fiber ( 6) Connected to the equipment control terminal (1), the water content detection sensor (9) is connected to the equipment control terminal (1) through the signal line (12); 所述发泡剂输送管(5)的进口与发泡剂储存喷发装置(2)相连,所述发泡剂储存喷发装置(2)与用于控制其开启的设备控制端(1)相连;The inlet of the foaming agent conveying pipe (5) is connected with the foaming agent storage and spray device (2), and the foaming agent storage and spray device (2) is connected with the equipment control end (1) for controlling its opening; 锚固时,所述应力调节托盘(3)与岩体表面接触并提供锚固压力,且在收到设备控制端(1)信号后,调节锚固压力。During anchoring, the stress adjusting tray (3) is in contact with the rock mass surface and provides anchoring pressure, and after receiving the signal from the equipment control end (1), the anchoring pressure is adjusted. 2.根据权利要求1所述的用于消落带层状涉水岩体加固的自调节锚杆装置,其特征在于:所述锚杆(7)上并位于应力调节托盘(3)所在一端开设有安装槽(11),所述发泡剂输送管(5)、信号线(12)和光纤(6)的端头都穿过安装槽(11)之后与设备控制端(1)相连;所述发泡剂输送管(5)、信号线(12)和光纤(6)都用高强度树脂材料作为保护层。2 . The self-adjusting bolt device for the reinforcement of layered wading rock mass in the wading zone according to claim 1 , wherein the bolt ( 7 ) is located at the end where the stress adjustment tray ( 3 ) is located. 3 . An installation groove (11) is provided, and the ends of the foaming agent conveying pipe (5), the signal line (12) and the optical fiber (6) all pass through the installation groove (11) and are connected to the equipment control end (1); The foaming agent delivery pipe (5), the signal line (12) and the optical fiber (6) are all made of high-strength resin material as a protective layer. 3.根据权利要求1所述的用于消落带层状涉水岩体加固的自调节锚杆装置,其特征在于:位于同一圈的外螺纹(10)上的发泡剂喷发口(4)呈四个方向均布。3. The self-adjusting bolt device for the reinforcement of layered wading rock mass in the wading zone according to claim 1, characterized in that: the blowing agent ejection port (4) located on the outer thread (10) of the same circle ) are evenly distributed in all four directions. 4.根据权利要求1所述的用于消落带层状涉水岩体加固的自调节锚杆装置,其特征在于:所述应力应变传感器(8)和含水量检测传感器(9)通过高强度树脂粘贴在锚杆(7)的外表面。4. The self-adjusting bolt device for the reinforcement of layered wading rock mass in the wading zone according to claim 1, characterized in that: the stress and strain sensor (8) and the water content detection sensor (9) pass through high The strength resin is glued to the outer surface of the bolt (7). 5.采用权利要求1-4任意一项所述自调节锚杆装置进行消落带层状涉水岩体加固的方法,其特征在于,包括以下步骤:5. The method for reinforcing the wading zone layered wading rock mass using the self-adjusting bolt device described in any one of claims 1-4, wherein the method comprises the following steps: 步骤一:在消落带处安装自调节锚杆装置,并通过应力调节托盘(3)对锚杆(7)施加初始应力;Step 1: Install the self-adjusting bolt device at the undulation zone, and apply initial stress to the bolt (7) through the stress adjustment tray (3); 步骤二:消落带层状岩体在库水作用下发生劣化,层间胶结力降低,导致局部层状岩体脱离母体,脱离的块体受到环境应力降低,通过应力应变传感器(8)实时监测锚杆(7)杆体周边的应力变化,将检测到的数据传输到设备控制端(1),判断顺倾向层状岩体发生层间胶结变化的位置;通过含水量检测传感器(9)实时监测锚杆(7)与层间的含水量,并将检测到的数据传输到设备控制端(1);Step 2: The layered rock mass in the ebb and flow zone is deteriorated under the action of the reservoir water, and the interlayer cementation force is reduced, resulting in the local layered rock mass detaching from the parent body, and the detached block is reduced by the environmental stress. Real-time through the stress and strain sensor (8) Monitor the stress changes around the rod body of the bolt (7), transmit the detected data to the equipment control terminal (1), and determine the position of the interlayer cementation change in the oriented layered rock mass; real-time through the water content detection sensor (9) Monitor the water content between the anchor rod (7) and the layer, and transmit the detected data to the equipment control terminal (1); 步骤三:设备控制端(1)根据所接收的数据,判断锚杆(7)所处岩体为岩体裂隙或者岩层脱落;如果监测到应力持续变小,则为岩体缝隙;如果监测到应力突然变化较大时,则为岩层脱落;Step 3: According to the received data, the equipment control terminal (1) judges that the rock mass where the anchor rod (7) is located is a rock mass crack or the rock layer falls off; if the monitored stress continues to decrease, it is a rock mass crack; When the stress suddenly changes greatly, the rock layer falls off; 步骤四:如果步骤三中监测到层状岩体裂隙,则设备控制端(1)控制发泡剂储存喷发装置(2)开启,则发泡剂储存喷发装置(2)喷出发泡剂,发泡剂通过发泡剂输送管(5)从发泡剂喷发口(4)喷出,对发生岩体裂隙的位置进行填充,加强层间胶结;Step 4: If the layered rock mass fissure is detected in step 3, the equipment control end (1) controls the foaming agent storage and eruption device (2) to open, and the foaming agent storage and eruption device (2) sprays the foaming agent, The foaming agent is sprayed from the foaming agent outlet (4) through the foaming agent conveying pipe (5) to fill the position where the rock mass crack occurs, and strengthen the interlayer cementation; 步骤五:当层间岩体裂隙填充满后,层间岩体应力增加,应力应变传感器(8)检测到应力回升,将应力信息发送到设备控制端(1);Step 5: When the fractures of the interlayer rock mass are filled, the stress of the interlayer rock mass increases, the stress strain sensor (8) detects that the stress rises, and sends the stress information to the equipment control terminal (1); 步骤六:设备控制端(1)收到应力回升信息后,控制应力调节托盘(3),增加支撑托盘应力,使支撑托盘锚固到岩体上,保护岩体安全;Step 6: After receiving the stress recovery information, the equipment control end (1) controls the stress adjustment tray (3) to increase the stress of the support tray, so that the support tray is anchored to the rock mass to protect the rock mass; 步骤七:如果步骤三中监测到岩层脱落,设备控制端(1)控制应力调节托盘(3)释放托盘应力,减小托盘对岩体的压力,保护岩体安全;Step 7: If the rock layer is detected in step 3, the equipment control end (1) controls the stress adjustment tray (3) to release the tray stress, reduce the pressure of the tray on the rock mass, and protect the rock mass safety; 步骤八:当应力调节托盘(3)应力减小后,设备控制端(1)控制发泡剂储存喷发装置(2)喷发发泡剂;Step 8: When the stress of the stress adjusting tray (3) is reduced, the equipment control end (1) controls the foaming agent storage and spraying device (2) to spray the foaming agent; 步骤九:待步骤八中发泡剂填充完成之后,此时如果锚杆(7)所处岩体处于水面以上时,由于发泡剂隔离导致岩体层间裂隙水无法蒸发,致使岩体含水量增加,被含水量检测传感器(9)检测到,并传回设备控制端(1);Step 9: After the filling of the foaming agent in Step 8 is completed, if the rock mass where the anchor rod (7) is located is above the water surface, the fissure water between the rock mass layers cannot be evaporated due to the isolation of the foaming agent, resulting in the rock mass containing The increase of water content is detected by the water content detection sensor (9), and sent back to the equipment control terminal (1); 步骤十:当设备控制端(1)收到含水量增加后,判断为岩体脱落处空洞填充完成,并控制发泡剂储存喷发装置(2)停止喷发,修补完成;Step 10: When the control end of the equipment (1) receives the increase in water content, it is judged that the filling of the cavity where the rock mass falls off is completed, and the foaming agent storage and eruption device (2) is controlled to stop the eruption, and the repair is completed; 步骤十一:待步骤八中发泡剂填充完成之后,此时如果锚杆(7)位于水面以下时,由于发泡剂填充空层隔离水,导致含水量降低,被含水量检测传感器(9)检测到,并传回设备控制端(1);Step 11: After the filling of the foaming agent in Step 8 is completed, if the anchor rod (7) is located below the water surface, the water content is reduced because the foaming agent fills the empty layer to isolate the water, and is detected by the water content detection sensor (9). ) detected and sent back to the device control terminal (1); 步骤十二:当设备控制端(1)收到含水量降低后,判断为岩体脱落处空洞填充完成,并控制发泡剂储存喷发装置(2)停止喷发,修补完成。Step 12: When the control end (1) of the equipment receives the decrease in water content, it is judged that the filling of the cavity where the rock mass falls off is completed, and the foaming agent storage and eruption device (2) is controlled to stop the eruption, and the repair is completed.
CN202011103574.3A 2020-10-15 2020-10-15 Self-adjusting bolt device and method for reinforcement of layered wading rock mass in wading zone Active CN112160319B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011103574.3A CN112160319B (en) 2020-10-15 2020-10-15 Self-adjusting bolt device and method for reinforcement of layered wading rock mass in wading zone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011103574.3A CN112160319B (en) 2020-10-15 2020-10-15 Self-adjusting bolt device and method for reinforcement of layered wading rock mass in wading zone

Publications (2)

Publication Number Publication Date
CN112160319A CN112160319A (en) 2021-01-01
CN112160319B true CN112160319B (en) 2021-08-31

Family

ID=73867089

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011103574.3A Active CN112160319B (en) 2020-10-15 2020-10-15 Self-adjusting bolt device and method for reinforcement of layered wading rock mass in wading zone

Country Status (1)

Country Link
CN (1) CN112160319B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114858322B (en) * 2022-03-22 2024-04-30 山东道宽智能科技有限公司 Waterproof mining optical fiber anchor rod stress sensor based on 5G fusion technology

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027656A1 (en) * 1979-10-23 1981-04-29 Fin Est S.P.A. An apparatus for automatically sensing and transmitting the displacement of the end of a strand or cable
CN106247965A (en) * 2016-07-15 2016-12-21 东南大学 Tunnel surrounding monitoring method based on multifunctional intellectual anchor pole
CN206635826U (en) * 2017-03-22 2017-11-14 三峡大学 A kind of side slope ess-strain monitoring device based on fibre optical sensor
CN107503361A (en) * 2017-08-08 2017-12-22 临沂大学 A kind of rock slope with along layer near cut soft layer stress monitoring and surrounding rock consolidation method
CN109441507A (en) * 2018-11-26 2019-03-08 山东科技大学 A kind of secondary supporting grouted anchor bar with adaptation function
CN209483400U (en) * 2019-01-15 2019-10-11 泰安铭源节能科技有限公司 A kind of intelligent grouting cable anchor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027656A1 (en) * 1979-10-23 1981-04-29 Fin Est S.P.A. An apparatus for automatically sensing and transmitting the displacement of the end of a strand or cable
CN106247965A (en) * 2016-07-15 2016-12-21 东南大学 Tunnel surrounding monitoring method based on multifunctional intellectual anchor pole
CN206635826U (en) * 2017-03-22 2017-11-14 三峡大学 A kind of side slope ess-strain monitoring device based on fibre optical sensor
CN107503361A (en) * 2017-08-08 2017-12-22 临沂大学 A kind of rock slope with along layer near cut soft layer stress monitoring and surrounding rock consolidation method
CN109441507A (en) * 2018-11-26 2019-03-08 山东科技大学 A kind of secondary supporting grouted anchor bar with adaptation function
CN209483400U (en) * 2019-01-15 2019-10-11 泰安铭源节能科技有限公司 A kind of intelligent grouting cable anchor

Also Published As

Publication number Publication date
CN112160319A (en) 2021-01-01

Similar Documents

Publication Publication Date Title
CN213926249U (en) An anchor rod that adjusts anchoring based on changes in water content and stress
CN112160319B (en) Self-adjusting bolt device and method for reinforcement of layered wading rock mass in wading zone
US5657595A (en) Fabric reinforced beam and column connections
CN110230511B (en) Anchor injection device for venting of common bolt and method of using the same
CN108252726B (en) Device for preventing tunnel secondary lining vault from emptying and construction method thereof
CN105445168A (en) Simulation test device and method for pore water pressure of asphalt pavement
CN106639355A (en) Reinforced concrete beam structure
CN101509386A (en) Composite support anchor rod and construction method thereof
CN113153396B (en) Hole sealing, grouting and water plugging reinforcing method for anchor cable holes in roadway water spraying area
CN113027470B (en) A shield machine grouting system and a shield machine grouting control method
CN112982369B (en) Grouting device and grouting method for controlling high-speed railway subgrade settlement
CN103696787B (en) Rebar steel high-pressure grouting bolt and its supporting method for roadway reinforcement
CN105134249B (en) The big gradual method for protecting support in relaxation zone tunnel of mine
CN110513124B (en) A mosaic grouting pipe network support structure for high stress layered unloading fractured rock mass roadway
CN103526953B (en) The roof panel processing method that bearing capacity is inadequate
CN112177632B (en) A device and method for directly applying secondary lining support to a tunnel
CN210052063U (en) High-pressure gas storage reinforcement simulation test device capable of intelligent monitoring
JP2002235444A (en) Repairing execution method for concrete structure
CN111519631A (en) A kind of repairing structure of foundation pit support and its repairing method
CN215633066U (en) Lateral expansion device for surrounding rock support
CN113123805B (en) Novel supporting method for coping with rock burst and net-knitting equipment
CN214939336U (en) Vertical prestress finish rolling deformed steel bar circulating grouting device for continuous beam
CN109468943A (en) Vertical prestressed steel bar anti-ejection system with anti-seismic function and construction method thereof
CN111333359B (en) Concrete self-repairing system with self-adaptive seal heads
CN205908296U (en) Reduce country rock reinforcerment system of rock burst harm

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
OL01 Intention to license declared
OL01 Intention to license declared