Secondary lining trolley end formwork and tunnel secondary lining trolley end formwork

Abstract

The invention discloses a secondary lining trolley end formwork and a tunnel secondary lining trolley end formwork. The end formwork comprises a supporting formwork, a lifting end formwork arranged on the supporting formwork, an elastic cushion block arranged above the lifting end formwork and a first water stop belt arranged above the elastic cushion block. During construction, the lifting end formwork is adjusted to be jacked so that the elastic cushion block can abut against the first water stop upwards, and then the first water stop can be tightly attached to the tunnel primary support; the end formwork further comprises a first concrete monitoring formwork arranged between the elastic cushion block and the lifting end formwork, and the first concrete monitoring formwork is used for automatically monitoring the pouring condition of concrete during construction. According to the secondary lining trolley end formwork, the concrete monitoring formwork is integrated, the concrete pouring condition can be accurately monitored in real time, constructors can conveniently check and know the concrete pouring condition in time, manual errors are reduced, the construction precision is improved, manual operation is reduced, and the construction efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of tunnel secondary lining construction, in particular to a secondary lining trolley end formwork and a tunnel secondary lining trolley end formwork, and more specifically to a monitoring technology for secondary lining pouring height and fullness. Background Art

[0002] During the construction of the secondary lining of the tunnel, it is very difficult to monitor the real-time pouring height of the tunnel secondary lining and the fullness of the vault in real time. This is mainly because the secondary lining construction has no observation surface due to the tunnel's primary support surface, secondary lining trolley, poured lining and closed end mold, so the poured concrete can only be constructed based on experience and feeling. Secondly, the secondary lining is a large-area thin shell construction with a thickness of 30-50cm, an inverted U-shaped surface, an area of ​​about 200 square meters, and one-time molding, which makes the construction very difficult. In actual construction, it is impossible to observe the real-time height of the secondary lining side wall concrete, resulting in asymmetric pouring. Due to inconsistent pressure, the trolley is offset and deformed, forming a large number of misalignments, resulting in the overall deviation of the overall contour surface of the secondary lining. Secondly, the fullness of the vault is also a big problem. Because the pouring is not full, it leads to hollow defects in the vault of the secondary lining, which then cracks, leaks water, and drops concrete blocks, threatening driving safety.

[0003] The only part that can be opened during the construction of the secondary lining is the secondary lining end formwork. Generally, the top formwork is opened during the concrete pouring process and light is used for observation. However, since the end formwork is assembled from a large number of small pieces, it needs to be reinforced in various ways to prevent accidents caused by concrete extrusion and bursting. Once opened, it is easy to loosen. Therefore, construction workers generally try not to open the formwork, and when the concrete is poured to the arch and reaches the formwork height, the end formwork cannot be opened to avoid concrete overflow.

[0004] Traditional end formwork usually adopts a plugging structure composed of wooden squares, steel pipes, and flip steel formwork. The construction efficiency is very low. It takes about 3 workers and 8 hours of work to assemble one plate and two linings. In order to improve work efficiency, patent CN108798726B discloses a composite rubber pole telescopic plugging plate mechanism and its use method, which replaces wooden squares with retractable composite rubber pole telescopic formwork, greatly improving the installation speed of the end formwork and the quality of the end concrete. Patent CN110080804B discloses a tunnel rapid lifting baffle, which further improves the installation speed of the end formwork. CN110080804B discloses a high molecular transparent plugging plate device for a tunnel secondary lining, wherein the baffle assembly is made of a high molecular composite material; the baffle assembly and the U-shaped support plate are both made of transparent materials; however, since the interior of the secondary lining is a narrow flat space structure and the interior is completely dark, the internal situation cannot be observed when there is no light inside, and concrete is a strong alkaline material that corrodes the plastic surface. After the plastic formwork is used 1-3 times, the surface smoothness and transparency are greatly reduced, and it is basically opaque, so the practicality is poor.

[0005] In summary, the main problems of the current traditional wooden formwork and the newly adopted fast lifting end formwork are as follows:

[0006] 1. Inaccurate detection: Most of the existing end formwork relies on manual detection of concrete pouring height, usually through visual observation or simple measuring tools to estimate. This method is prone to large errors, resulting in uneven concrete pouring height and affecting construction quality. For example, in tunnel and underground engineering construction, inaccurate side wall pouring height and vault fullness will affect the overall stability and safety of the structure.

[0007] 2. Lack of real-time monitoring: Traditional end formwork cannot display the pouring position and height of concrete in real time. Construction workers can only rely on experience and intuition to make judgments. This method is not scientific and rigorous enough to ensure that each pouring meets the design requirements. Especially in a complex construction environment, the inability to monitor the concrete pouring situation in real time will increase construction risks.

[0008] 3. Lack of automation function: Most of the end templates in the existing technology are static and passive, and fail to combine modern sensing technology and automatic control technology, resulting in a low degree of automation in the overall construction process. There is no support for automatic detection and display functions, low construction efficiency, and it is easy for human factors to cause fluctuations in construction quality. For example, the templates in the existing technology require manual adjustment and monitoring, and cannot achieve automated management and control, making it difficult to adapt to large-scale and high-precision construction requirements.

[0009] 4. It is inconsistent with the requirements for the increasing quality and efficiency of the secondary lining construction. The tunnel construction environment is harsh and the noise is very loud. The secondary lining trolley is more than 10 meters high, which is very inconvenient to get on and off. The pouring end where the concrete pump truck is located is more than 12 meters away from the open end where the end mold is located. The trolley frame structure is complicated, making it difficult for personnel to communicate by sight or sound.

[0010] 5. Impact on the quality of concrete pouring: The inconsistent pouring height of the secondary lining side wall will lead to inconsistent trolley floating, misalignment, and uneven pressure distribution when the tunnel structure is under stress, which will affect the stability of the entire structure, especially under the action of earthquakes or other external forces, and may destroy the overall structure. Incomplete pouring of the secondary lining arch will affect the strength of the tunnel structure and increase the workload of the later grouting. Excessive pouring will cause the end formwork to run and expand, causing the overall displacement of the secondary lining trolley, the scrapping of the entire secondary lining, and even damage to the secondary lining trolley.

[0011] At this stage, it is urgently necessary to develop a new type of secondary lining trolley end monitoring template to solve one or more of the above-mentioned technical problems, which can simply, conveniently and safely grasp the real-time height of concrete side wall pouring, whether the two sides are symmetrical (the railway tunnel acceptance specification requires that the height difference should not exceed 50cm), whether the arch is full, etc. Summary of the invention

[0012] The invention provides a secondary lining trolley end formwork and a tunnel secondary lining trolley end formwork.

[0013] To achieve the above-mentioned object, on the one hand, the present invention provides a second lining trolley end template, comprising: a support template, a lifting end template arranged on the support template, an elastic pad arranged above the lifting end template, and a first water stop arranged above the elastic pad; during construction, the lifting end template is adjusted to be lifted so that the elastic pad presses the first water stop upward, thereby making the first water stop and the tunnel primary support, thereby preventing the poured concrete from leaking;

[0014] The end template also includes a first concrete monitoring template arranged between the elastic pad and the lifting end template. During construction, the first concrete monitoring template is used to automatically monitor the pouring of concrete.

[0015] Optionally, a detection electrode is provided on the concrete contact surface of the first concrete monitoring template, and a first integrated control circuit module connected to the detection electrode is provided inside the first concrete monitoring template. When the detection electrode contacts the concrete, the detection electrode is turned on, and the first integrated control circuit module determines the current concrete pouring height based on the received detection electrode conduction signal.

[0016] Optionally, the detection electrode is a conductive metal rod or a conductive metal sheet.

[0017] Optionally, the first concrete monitoring template is further provided with a first signal transmitting module and a signal light connected to the first integrated control circuit module, the first signal transmitting module is used to transmit the detected current concrete pouring height to the receiving display device of the second lining trolley, and the first integrated control circuit module controls the signal light to be always on or flashing based on the received detection electrode conduction signal.

[0018] Optionally, when the detection electrode detects concrete, the first integrated control circuit module enters a concrete position display mode, and the signal light is always on or flashes. When the set display time is reached, the first integrated control circuit module automatically enters a power-saving standby mode, and the signal light turns off automatically. The concrete position display mode power of the first integrated control circuit module is less than 0.1W, and the power-saving standby power of the first integrated control circuit module is less than 0.04W.

[0019] Optionally, it also includes a second concrete monitoring template arranged in the elastic pad, the second concrete monitoring template includes a monitoring electrode and a second integrated control circuit module connected to the monitoring electrode, the monitoring electrode is arranged on the surface of the elastic pad, when the poured concrete reaches the tunnel vault, the monitoring electrode detects the concrete and then turns on, and the second integrated control circuit module determines the current pouring fullness of the concrete based on the received monitoring electrode conduction signal.

[0020] Optionally, the second concrete monitoring template also includes a second signal transmitting module and a prompt module connected to the second integrated control circuit module, the second signal transmitting module is used to transmit the detected current concrete pouring fullness to the receiving display device of the second lining trolley, and the second integrated control circuit module controls the prompt module to display based on the received monitoring electrode conduction signal.

[0021] Optionally, the end formwork further includes a fixed height adjustment pad, wherein the fixed height adjustment pad is located between the elastic pad and the first concrete monitoring formwork to meet the needs of different lining thicknesses.

[0022] Optionally, the end formwork further comprises a reinforcement grid arranged on the support formwork, and the reinforcement grid is located on a side of the lifting end formwork, the first concrete monitoring formwork and the elastic pad away from the concrete.

[0023] Optionally, the end formwork further comprises a second waterstop disposed on the supporting formwork, wherein the second waterstop is tightly attached to the reinforcing grid and the lifting end formwork to prevent leakage of poured concrete.

[0024] On the other hand, the present invention also provides a tunnel secondary lining trolley end mold, including at least one secondary lining trolley end head mold plate as described above.

[0025] The present invention has the following advantages:

[0026] The second lining trolley end template proposed in the present invention integrates a first concrete monitoring template, which can accurately monitor the pouring conditions (height, fullness) of concrete in real time, making it convenient for construction personnel to check and timely understand the concrete pouring conditions, reducing manual errors and improving construction accuracy; and standardizing the inspection process of concrete pouring to ensure that each pouring can meet the same quality standards, thereby improving the consistency and stability of construction quality; reducing manual operations and improving construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A cross-sectional schematic diagram of an end template of a secondary lining trolley according to an embodiment of the present invention;

[0028] Figure 2 It is a three-dimensional schematic diagram of a second lining trolley end template according to an embodiment of the present invention;

[0029] Figure 3 It is a schematic diagram of the appearance of a first concrete monitoring template in a second lining trolley end template according to an embodiment of the present invention;

[0030] Figure 4 It is a structural block diagram of a first concrete monitoring template in a second lining trolley end template according to an embodiment of the present invention;

[0031] Figure 5 It is a structural block diagram of a second concrete monitoring template in a second lining trolley end template according to an embodiment of the present invention;

[0032] Figure 6 This is a schematic diagram of the application of an end mold of a tunnel secondary lining trolley in an embodiment of the present invention.

[0033] Description of reference numerals:

[0034] Second lining trolley end formwork 1; supporting formwork 11; lifting end formwork 12; first concrete monitoring formwork 13; elastic pad 14; first waterstop 15; fixed height adjustment pad 16; reinforcement grid 17; second waterstop 18; tunnel primary support 2; concrete 3; receiving display device 4; tunnel second lining trolley end formwork 100. DETAILED DESCRIPTION

[0035] The following embodiments are used to illustrate the present invention, but are not used to limit the scope of the present invention. In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0036] The embodiment of the present invention provides a monitoring technology for the second lining trolley end template and the second lining concrete pouring height and fullness, and the specific implementation method is as follows:

[0037] Embodiment 1:

[0038] See also Figure 1-3 As shown, an embodiment of the present invention provides a second lining trolley end template 1, comprising: a support template 11, a lifting end template 12 arranged on the support template 11, an elastic pad 14 arranged above the lifting end template 12, and a first water stop 15 arranged above the elastic pad 14; during construction, the lifting end template 12 is adjusted to be lifted so that the elastic pad 14 presses the first water stop 15 upward, thereby making the first water stop 15 closely attached to the tunnel primary support 2, thereby preventing the poured concrete 3 from leaking;

[0039] The end formwork 1 further includes a first concrete monitoring formwork 13 disposed between the elastic pad 14 and the lifting end formwork 12. During construction, the first concrete monitoring formwork 13 is used to automatically monitor the pouring of concrete.

[0040] It should be noted that in order to achieve different lining thicknesses, the height of the elastic pad and the first concrete monitoring template can be adjusted to achieve a lining thickness requirement of 40cm-60cm. In this embodiment, the height of the elastic pad can be 4cm, the height of the first concrete monitoring template can be 18cm, and the height of the lifting end template can be 16cm. In this embodiment, the plugging requirement is achieved by adjusting the height of the lifting end template, wherein the lifting end template can be raised by 10cm, and the lifting of the adjustment block of the lifting end template ensures that the first water stop is tightly attached to the initial support of the tunnel without leakage.

[0041] In this embodiment, the supporting mold is a new type of composite steel mold, and its height can be 220mm.

[0042] Preferably, the first waterstop in this embodiment is a back-sticking waterstop.

[0043] In this embodiment, a first concrete monitoring template is added between the elastic pad and the lifting end template. During the construction process, the template can automatically monitor the pouring of concrete, for example, the pouring height of concrete.

[0044] Alternatively, see Figure 4 As shown, the contact concrete surface of the first concrete monitoring template 13 in the second lining trolley end template 1 of the embodiment of the present invention is provided with a detection electrode 131, and the first concrete monitoring template 13 is provided with a first integrated control circuit module 132 connected to the detection electrode 131. When the detection electrode 131 touches the concrete, the detection electrode 131 is turned on, and the first integrated control circuit module 132 determines the current concrete pouring height based on the received detection electrode conduction signal.

[0045] It should be noted that, in this embodiment, the first integrated control circuit module may be a single chip microcomputer control circuit.

[0046] Preferably, the detection electrode 131 in the second lining trolley end template 1 of the embodiment of the present invention is a conductive metal rod or a conductive metal sheet. Preferably, the detection electrode 131 in the second lining trolley end template 1 of the embodiment of the present invention is a screw. It should be noted that the detection electrode in this embodiment includes four screws, two in a group.

[0047] Optionally, the first concrete monitoring template 13 in the second lining trolley end template 1 of the embodiment of the present invention is also provided with a first signal transmitting module 133 and a signal light 134 connected to the first integrated control circuit module 132, the first signal transmitting module 133 is used to transmit the detected current concrete pouring height to the receiving display device 4 of the second lining trolley, and the first integrated control circuit module 132 controls the signal light 134 to be always on or flashing based on the received detection electrode conduction signal.

[0048] Optionally, in this embodiment, when the detection electrode detects concrete, the first integrated control circuit module 132 enters a concrete height display mode, and the signal light 134 is always on or flashing. When the set display time is reached, the first integrated control circuit module 132 enters a power-saving standby mode, and the signal light 134 automatically turns off. The concrete height display mode power of the first integrated control circuit module 132 is less than 0.1W, and the power-saving standby power of the first integrated control circuit module 132 is less than 0.04W.

[0049] It should be noted that, when the signal light is turned off, the first concrete monitoring template 13 enters a power-saving standby mode and waits to exit the power-saving standby mode when it is used for monitoring next time.

[0050] For details, see Figure 3 and Figure 4 As shown, Figure 3The left and right sides are equipped with the first integrated control circuit module (single chip microcomputer), signal light, positive and negative detection electrodes, and the middle position is the power supply and the first signal generation module. After the concrete contacts the positive and negative detection electrodes, the detection electrodes are turned on. After the first integrated control circuit module receives the electrode conduction signal, the control signal light is lit, always on or automatically flashing, and automatically turns off after a certain period of time (the prompt time (i.e., the closing time) can be freely set, for example: the factory default is 0.5-12 hours after automatic closing); the first signal transmission module transmits the current concrete pouring position to the receiving display device under the trolley of the second lining trolley, and the pouring position, time and other information can be seen on the display of the receiving display device.

[0051] In this embodiment, the first concrete monitoring template 13 is powered by a battery with a supply voltage of 3V-5V and a power less than 40mw. The battery can be embedded in the fixed height adjustment pad 16.

[0052] Optionally, the second lining trolley end template 1 of the embodiment of the present invention also includes a second concrete monitoring template arranged in the elastic pad 14, the second concrete monitoring template includes a monitoring electrode 131' and a second integrated control circuit module 132' connected to the monitoring electrode 131', the monitoring electrode 131' is arranged on the upper surface of the elastic pad 14, when the poured concrete reaches the tunnel vault, the monitoring electrode 131' is turned on, and the second integrated control circuit module 132' determines the current pouring fullness of the concrete based on the received monitoring electrode conduction signal.

[0053] Optionally, in this embodiment, after receiving the detection electrode conduction signal, the second integrated control circuit module 132' enters the concrete fullness display mode, and the signal light 134' is always on or flashing. When the set display time is reached, the second integrated control circuit module 132' enters the power-saving standby mode, and the signal light 134' automatically turns off. Among them, the concrete fullness display mode power of the second integrated control circuit module 132' is less than 0.1W, and the power-saving standby power is less than 0.04W.

[0054] It should be noted that, when the signal light is turned off, the second concrete monitoring template 14 enters the power-saving standby mode and waits to exit the power-saving standby mode when it is used for monitoring next time.

[0055] Optionally, the second concrete monitoring template in the second lining trolley end template 1 of the embodiment of the present invention also includes a second signal transmitting module 133' and a prompt module 134' connected to the second integrated control circuit module 132', the second signal transmitting module 133' is used to transmit the detected current concrete pouring fullness to the receiving display device 4 of the second lining trolley, and the second integrated control circuit module 132' controls the prompt module 134' to display based on the received monitoring electrode conduction signal.

[0056] It should be noted that, in this embodiment, the detection electrode for detecting the concrete pouring height is installed horizontally, and the monitoring electrode for detecting the pouring saturation (ie, the fullness of the vault) is installed up and down.

[0057] It should be noted that, in this embodiment, the second integrated control circuit module may be a single chip microcomputer control circuit.

[0058] In this embodiment, the technical solution of using electrode sensing (monitoring electrodes and detection electrodes) to monitor the concrete pouring height and pouring fullness is simple and effective, has low power consumption, and can be repeatedly used for a long time.

[0059] It should be noted that in this embodiment, a pressure sensor can also be used to monitor the pouring fullness. The pressure sensor can be installed on the push rod to prevent the pressure sensor from being damaged due to excessive pressure when full. Specifically, according to the actual on-site experimental results, the pressure value when the pressure value is full is set. When the actual pressure value detected by the pressure sensor is greater than or equal to the set pressure threshold, it is determined to be full. When the concrete reaches the arch, the theoretical thickness of the concrete is calculated based on the concrete pressure value, and compared with the actual thickness of the poured concrete, it can be determined whether the concrete is full. When it is monitored that the concrete pressure is too high, the light and / or sound display will start to remind the construction personnel that the pressure is too high, stop pouring and conduct inspections. At the same time, the overpressure time, pressure value, etc. can be transmitted to the receiving display device under the second lining trolley, and the above information can be viewed on the display screen of the receiving display device.

[0060] It should be noted that when the detected current concrete pouring height and fullness are transmitted to the receiving display device of the second lining trolley (specifically, the concrete pump truck position at the second lining construction end), the pouring situation at the open end can be seen at the closed end of the trolley.

[0061] Optionally, the second lining trolley end template 1 of the embodiment of the present invention further includes a fixed height adjustment pad 16, which is located between the elastic pad 14 and the first concrete monitoring template 13 for height adjustment to meet different lining thicknesses.

[0062] It should be noted that in this embodiment, in order to achieve different lining thicknesses, the heights of the elastic pads, the fixed height adjustment pads, and the first concrete monitoring template can be adjusted to achieve a lining thickness requirement of 40cm-60cm. In this embodiment, the height of the elastic pads can be 4cm, the height of the first concrete monitoring template can be 6cm, the fixed height adjustment pads can be 12cm, and the height of the lifting end template can be 16cm.

[0063] Optionally, the second lining trolley end formwork 1 of the embodiment of the present invention further includes a reinforcement grid 17 arranged on the support formwork 11, and the reinforcement grid 17 is located on the side of the lifting end formwork 12, the first concrete monitoring formwork 13 and the elastic pad 14 away from the concrete 3.

[0064] Optionally, the second lining trolley end formwork 1 of the embodiment of the present invention further includes a second waterstop 18 disposed on the support formwork 11 , and the second waterstop 18 is closely attached to the reinforcement grid 17 and the lifting end formwork 12 to prevent the poured concrete 3 from leaking.

[0065] It should be noted that the reinforcement grid in this embodiment can be a three-layer grid structure, and of course it can also be other numbers of layers, which is not specifically limited here.

[0066] Preferably, the second waterstop in this embodiment is an embedded waterstop.

[0067] To sum up, the second lining trolley end template of the embodiment of the present invention is integrated with the first concrete monitoring template, which can accurately monitor the pouring condition (height, fullness) of concrete in real time, making it convenient for construction personnel to check and understand the pouring condition of concrete in time, reducing manual errors and improving construction accuracy; and standardizing the inspection process of concrete pouring to ensure that each pouring can meet the same quality standards, thereby improving the consistency and stability of construction quality; reducing manual operations and improving construction efficiency.

[0068] Embodiment 2:

[0069] On the other hand, see Figure 6 As shown, an embodiment of the present invention further provides a tunnel secondary lining trolley end mold 100, comprising at least one secondary lining trolley end head mold plate 1 as described in the above-mentioned embodiment 1.

[0070] Specifically, in order to reduce costs, the tunnel secondary lining trolley end formwork of this embodiment can be provided with a secondary lining trolley end formwork 1 at the arch top to monitor the pouring fullness, and several secondary lining trolley end formworks 1 can be used at the arch waist and side walls to monitor the pouring height, and ordinary formworks (such as wooden formworks) are used at other positions.

[0071] Although the present invention has been described in detail above by general description and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made on the basis of the present invention. Therefore, these modifications or improvements made on the basis of not departing from the spirit of the present invention all belong to the scope of protection claimed by the present invention.

Claims

1. A second lining trolley end template, characterized in that: include: A support formwork, a lifting end formwork arranged on the support formwork, an elastic pad arranged above the lifting end formwork, and a first waterstop arranged above the elastic pad; during construction, the lifting end formwork is adjusted to be lifted so that the elastic pad presses the first waterstop upward, thereby making the first waterstop closely attached to the tunnel primary support, thereby preventing the poured concrete from leaking; The end template also includes a first concrete monitoring template arranged between the elastic pad and the lifting end template. During construction, the first concrete monitoring template is used to automatically monitor the pouring of concrete.

2. The second lining trolley end template according to claim 1 is characterized in that: A detection electrode is provided on the surface of the first concrete monitoring template that contacts concrete. A first integrated control circuit module connected to the detection electrode is provided inside the first concrete monitoring template. When the detection electrode contacts the concrete, the detection electrode is turned on. The first integrated control circuit module determines the current concrete pouring height based on the received detection electrode conduction signal.

3. The second lining trolley end template according to claim 2 is characterized in that: The detection electrode is a conductive metal rod or a conductive metal sheet.

4. The second lining trolley end template according to claim 2 is characterized in that: The first concrete monitoring template is also provided with a first signal transmitting module and a signal light connected to the first integrated control circuit module. The first signal transmitting module is used to transmit the detected current concrete pouring height to the receiving display device of the second lining trolley. The first integrated control circuit module controls the signal light to be always on or flashing based on the received detection electrode conduction signal.

5. The second lining trolley end template according to claim 4 is characterized in that: When the detection electrode detects concrete, the first integrated control circuit module enters a concrete position display mode, and the signal light is always on or flashes. When the set display time is reached, the first integrated control circuit module automatically enters a power-saving standby mode, and the signal light turns off automatically. The concrete position display mode power of the first integrated control circuit module is less than 0.1W, and the power-saving standby power of the first integrated control circuit module is less than 0.04W.

6. The second lining trolley end template according to claim 1 is characterized in that: It also includes a second concrete monitoring template arranged in the elastic pad, the second concrete monitoring template includes a monitoring electrode and a second integrated control circuit module connected to the monitoring electrode, the monitoring electrode is arranged on the surface of the elastic pad, when the poured concrete reaches the tunnel vault, the monitoring electrode detects the concrete and then turns on, and the second integrated control circuit module determines the current pouring fullness of the concrete based on the received monitoring electrode conduction signal.

7. The second lining trolley end template according to claim 6 is characterized in that: The second concrete monitoring template also includes a second signal transmitting module and a prompt module connected to the second integrated control circuit module, the second signal transmitting module is used to transmit the detected current concrete pouring fullness to the receiving display device of the second lining trolley, and the second integrated control circuit module controls the prompt module to display based on the received monitoring electrode conduction signal.

8. The secondary lining trolley end template according to any one of claims 1 to 7, characterized in that: The end formwork also includes a fixed height adjustment pad, which is located between the elastic pad and the first concrete monitoring formwork to meet the needs of different lining thicknesses.

9. The secondary lining trolley end template according to any one of claims 1 to 7, characterized in that: The end formwork also includes a reinforcement grid arranged on the support formwork, and the reinforcement grid is located on the side of the lifting end formwork, the first concrete monitoring formwork and the elastic pad away from the concrete.

10. The second lining trolley end template according to claim 9, characterized in that: The end formwork also includes a second waterstop disposed on the support formwork, and the second waterstop is closely attached to the reinforcement grid and the lifting end formwork to prevent leakage of poured concrete.

11. A tunnel secondary lining trolley end mold, characterized in that: It comprises at least one second lining trolley end template as described in any one of claims 1-9.

Images