CN210664571U - Mountain tunnel surrounding rock and lining temperature field and strain field testing system - Google Patents
Mountain tunnel surrounding rock and lining temperature field and strain field testing system Download PDFInfo
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- CN210664571U CN210664571U CN201921325898.4U CN201921325898U CN210664571U CN 210664571 U CN210664571 U CN 210664571U CN 201921325898 U CN201921325898 U CN 201921325898U CN 210664571 U CN210664571 U CN 210664571U
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Abstract
The utility model discloses a mountain tunnel country rock and lining cutting temperature field, strain field test system belongs to test technical field. The system comprises a temperature sensor, a strain sensor, a temperature acquisition module box, a strain acquisition module box and a data processor, wherein the temperature sensor is used for acquiring the temperature of a set position in a set section in a mountain tunnel, the strain sensor is used for acquiring the stress of the set position in the set section in the mountain tunnel, and the temperature acquisition module box is used for communicating with the temperature sensor and recording the temperature data acquired by the temperature sensor; the strain acquisition module box is used for communicating with the strain sensor and recording the stress data acquired by the strain sensor; the data processor is communicated with the temperature acquisition module box and the strain acquisition module box and processes the temperature data and the stress data to obtain a test result. The method can obtain the temperature-stress curve of surrounding rocks and linings of mountain tunnels, thereby being a precondition for understanding the freezing damage mechanism and the freezing damage classification of the tunnels.
Description
Technical Field
The utility model relates to a test technical field especially relates to a mountain tunnel country rock and lining cutting temperature field, strain field test system.
Background
Temperature and strain are the main physical quantities in heat transfer and are also important parameters for anti-freeze design. A cold region tunnel temperature field is a complex unstable heat conduction problem by researching the law that the surrounding rock and lining structure temperature changes along with time in the cold region tunnel engineering influence range, and understanding the distribution of the cold region tunnel surrounding rock and structure temperature field is a precondition for understanding the tunnel freezing injury mechanism and the freezing injury classification.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a mountain tunnel country rock and lining cutting temperature field, strain field test system, it can obtain the temperature-stress curve of mountain tunnel country rock and lining cutting to for understanding tunnel freeze injury mechanism and the categorised prerequisite of freeze injury, thereby be suitable for the practicality more.
In order to achieve the above object, the utility model provides a mountain tunnel country rock and lining cutting temperature field, strain field test system's technical scheme as follows:
the mountain tunnel surrounding rock and lining temperature field and strain field test system provided by the utility model comprises a temperature sensor, a strain sensor, a temperature acquisition module box, a strain acquisition module box and a data processor,
the temperature sensor is used for collecting the temperature of a set position in a set section in the mountain tunnel,
the strain sensor is used for collecting the stress of a set position in a set section in the mountain tunnel,
the temperature acquisition module box is used for communicating with the temperature sensor and recording temperature data acquired by the temperature sensor;
the strain acquisition module box is used for communicating with the strain sensor and recording stress data acquired by the strain sensor;
and the data processor is communicated with the temperature acquisition module box and the strain acquisition module box and processes the temperature data and the stress data to obtain a test result.
The utility model provides a mountain tunnel country rock and lining cutting temperature field, strain field test system still can adopt following technical measure to further realize.
Preferably, the set sections of the temperature sensor for acquiring the temperature data in the mountain tunnel comprise a first section 50m away from the exit port, a second section 150m away from the exit port, a third section 300m away from the exit port, a fourth section 400m away from the exit port, a fifth section 700m away from the exit port and a sixth section 1000m away from the exit port.
Preferably, the set position of the temperature sensor for acquiring the temperature data in the mountain tunnel comprises three temperature measuring holes respectively arranged on each section of the first section, the second section, the third section, the fourth section, the fifth section and the sixth section, wherein the temperature measuring holes at each section comprise a first position located at the vault of the mountain tunnel, a second position located at the left side of the road surface of the mountain tunnel and 5m away from the cable, and a third position located at the right side wall of the mountain tunnel and 4.2m away from the top surface of the cable trough.
Preferably, each set position of the temperature data is provided with 6 temperature sensors, and the temperature data respectively used for testing comprises temperature data at a hole opening, temperature data at a hole depth of 0.5m, temperature data at a hole depth of 1.5m, temperature data at a hole depth of 2.0m and temperature data at a hole depth of 3.0 m.
Preferably, the temperature sensor is attached to a wall of the tube having a diameter of 10mm and extends through the tube into the test hole.
Preferably, the set sections for acquiring stress data of the mountain tunnel by the strain sensor comprise a seventh section located at a distance of 5m from the hole, an eighth section located at a distance of 50m from the hole, a ninth section located at a distance of 100m from the hole, a tenth section located at a distance of 150m from the hole, an eleventh section located at a distance of 300m from the hole, a twelfth section located at a distance of 400m from the hole, a thirteenth section located at a distance of 700m from the hole and a fourteenth section located at a distance of 1000m from the hole in the tunnel,
the ninth cross section corresponds to the first cross section, the tenth cross section corresponds to the second cross section, the eleventh cross section corresponds to the third cross section, the twelfth cross section corresponds to the fourth cross section, the thirteenth cross section corresponds to the fifth cross section, and the fourteenth cross section corresponds to the sixth cross section.
Preferably, each set section of the stress data is provided with 7 strain test points, and the set positions of the 7 strain test points of each set section of the stress data respectively include:
a seventh test point 1.5m away from the upper part of the left cable trough;
a sixth test point which is 3m away from the seventh test point in a straight line;
a fifth test point which is 3m away from the sixth test point in a straight line;
a fourth test point which is 3m away from the fifth test point in a straight line;
a third test point which is 3m away from the fourth test point in a straight line;
the second test point is 3m away from the third test point in a straight line;
and the straight line distance from the second test point is 3 m.
Preferably, the temperature acquisition module box comprises a first temperature acquisition module box, a second temperature acquisition module box, a third temperature acquisition module box and a fourth temperature acquisition module box,
the first temperature acquisition module box is arranged on the left side of the 100m section of the tunnel;
the second temperature acquisition module box is arranged on the left side of the 350m section of the tunnel;
the third temperature acquisition module box is arranged on the left side of the fifth section;
the fourth temperature acquisition module box is arranged on the left side of the sixth section;
the temperature sensors arranged on the first section and the second section are connected to the first temperature acquisition module box;
the temperature sensors arranged on the third section and the fourth section are connected to the second temperature acquisition module box;
the temperature sensor arranged on the fifth section is connected to the third temperature acquisition module box;
and the temperature sensor arranged on the sixth section is connected to the fourth temperature acquisition module box.
Preferably, the strain acquisition module box comprises a first strain acquisition module box, a second strain acquisition module box, a third strain acquisition module box, a fourth strain acquisition module box, a fifth strain acquisition module box, a sixth strain acquisition module box, a seventh strain acquisition module box and an eighth strain acquisition module box,
the first strain acquisition module box is arranged on the left side of the seventh section;
the second strain acquisition module box is arranged on the left side of the eighth section;
the third strain acquisition module box is arranged on the left side of the ninth section;
the fourth strain acquisition module box is arranged on the left side of the tenth section;
the fifth strain acquisition module box is arranged on the left side of the eleventh section;
the sixth strain acquisition module box is arranged on the left side of the twelfth cross section;
the seventh strain acquisition module box is arranged on the left side of the thirteenth section;
the eighth strain acquisition module box is arranged on the left side of the fourteenth cross section;
they are connected with strain sensors of corresponding sections.
Use the utility model provides a mountain tunnel country rock and lining cutting temperature field, meet an emergency field test system, can gather corresponding temperature sensor's temperature data with the help of this temperature acquisition module case, gather corresponding strain sensor's stress data with the help of this meet an emergency acquisition module case, on this basis, according to temperature-time curve and stress-time curve, can use the time as the intermediary, obtain temperature-stress curve, under this condition, can be according to this temperature-stress curve, can obtain the relevance between temperature and the stress, thereby for understanding the tunnel freeze injury mechanism provide basic data.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic layout diagram of temperature sensors applied to a mountain tunnel surrounding rock and lining temperature field and strain field test system according to an embodiment of the present invention;
fig. 2 is a schematic layout diagram of strain sensors applied to a mountain tunnel surrounding rock and lining temperature field and strain field test system according to an embodiment of the present invention;
fig. 3 is a flow chart showing steps of a method for testing surrounding rocks, a lining temperature field and a strain field of a mountain tunnel according to an embodiment of the present invention.
Detailed Description
The utility model discloses a solve the problem that prior art exists, provide a mountain tunnel country rock and lining cutting temperature field, answer a strain field test system, it can obtain the temperature-stress curve of mountain tunnel country rock and lining cutting to for understanding tunnel freeze injury mechanism and the categorised prerequisite of freeze injury, thereby be suitable for the practicality more.
To further illustrate the technical means and effects of the present invention for achieving the objectives of the present invention, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments of the system and method for testing mountain tunnel surrounding rock and lining temperature field and strain field according to the present invention, and its specific embodiments, structures, features and effects. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, with the specific understanding that: both a and B may be included, a may be present alone, or B may be present alone, and any of the three cases can be provided.
Referring to fig. 1 and fig. 2, the embodiment of the utility model provides a mountain tunnel country rock and lining cutting temperature field, strain field test system include temperature sensor, strain sensor, temperature acquisition module case, strain acquisition module case and data processor. The temperature sensor is used for collecting the temperature of a set position in a set section in the mountain tunnel, the strain sensor is used for collecting the stress of the set position in the set section in the mountain tunnel, and the temperature collection module box is used for communicating with the temperature sensor and recording the temperature data collected by the temperature sensor; the strain acquisition module box is used for communicating with the strain sensor and recording the stress data acquired by the strain sensor; the data processor is communicated with the temperature acquisition module box and the strain acquisition module box and processes the temperature data and the stress data to obtain a test result.
Use the embodiment of the utility model provides a mountain tunnel country rock and lining cutting temperature field, meet an emergency field test system can gather corresponding temperature sensor's temperature data with the help of this temperature acquisition module case, the stress data with the help of this meet an emergency acquisition module case gathers corresponding strain sensor, on this basis, according to temperature-time curve and stress-time curve, can use the time as the intermediary, obtain temperature-stress curve, under this condition, can be according to this temperature-stress curve, can obtain the relevance between temperature and the stress, thereby for understanding the tunnel freeze injury mechanism provide basic data.
The set sections of the temperature sensor for acquiring the temperature data in the mountain tunnel comprise a first section 50m away from the outlet port, a second section 150m away from the outlet port, a third section 300m away from the outlet port, a fourth section 400m away from the outlet port, a fifth section 700m away from the outlet port and a sixth section 1000m away from the outlet port. In this case, since the distribution of each section is uniform, the temperature sensors can be conveniently arranged on each section, so that the measurement data for the temperature is richer.
The set position of temperature data in the mountain tunnel collected by the temperature sensor comprises three temperature measuring holes which are respectively arranged on each section of a first section, a second section, a third section, a fourth section, a fifth section and a sixth section, wherein the temperature measuring holes at each section comprise a first position located at the vault of the mountain tunnel, a second position located at the left side of the road surface of the mountain tunnel and 5m away from the cable, and a third position located at the right side wall of the mountain tunnel and 4.2m away from the top surface of the cable trough. In this case, since the number of temperature measurement holes provided in each cross section is large, the number of temperature data that can be acquired is also large, and more reliable data support can be provided for the analysis of the temperature data. For example, the average value of the temperature data measured by the temperature sensors of the three temperature measurement holes of the same cross section at the same time may be used as the temperature of the cross section at the time, or one maximum value may be removed, one minimum value may be removed, and the middle data may be used as the temperature data of the cross section at the time.
Wherein, the set position of every temperature data is provided with 6 temperature sensor, and the temperature data that they were used for the test respectively include the temperature data of orifice department, the temperature data of hole depth 0.5m department, the temperature data of hole depth 1.5m department, the temperature data of hole depth 2.0m department and the temperature data of hole depth 3.0m department. In this case, it is possible to understand temperature data in the case where the hole depths are different, thereby analyzing the relationship between the temperature and the hole depth.
Wherein, the temperature sensor is attached on the pipe wall with the diameter of 10mm and extends into the test hole through the pipe. In this case, the installation of the temperature sensor can be made more convenient.
The set sections of the stress data of the mountain tunnel acquired by the strain sensor comprise a seventh section located in the tunnel and located 5m away from an opening, an eighth section located 50m away from the opening, a ninth section located 100m away from the opening, a tenth section located 150m away from the opening, an eleventh section located 300m away from the opening, a twelfth section located 400m away from the opening, a thirteenth section located 700m away from the opening and a fourteenth section located 1000m away from the opening, wherein the ninth section corresponds to the first section, the tenth section corresponds to the second section, the eleventh section corresponds to the third section, the twelfth section corresponds to the fourth section, the thirteenth section corresponds to the fifth section, and the fourteenth section corresponds to the sixth section. In this case, since the distribution of each section is uniform, the strain sensors can be conveniently arranged on each section, so that the measurement data of the corresponding stress is richer.
Wherein, every stress data set for the section and be provided with 7 strain test points, every stress data set for the sectional 7 strain test points set for the position respectively including: a seventh test point 1.5m away from the upper part of the left cable trough; a sixth test point which is 3m away from the seventh test point in a straight line distance; a fifth test point which is 3m away from the sixth test point in a straight line; a fourth test point which is 3m away from the fifth test point in a straight line; a third test point with a straight line distance of 3m from the fourth test point; the straight line distance from the third test point is 3 m; and the straight line distance from the second test point is 3 m. In this case, because the number of the strain test points arranged on each section is large, the number of the stress data which can be acquired is also large, and more reliable data support can be provided for the analysis of the stress data. For example, the average value of the stress data of the section at the same moment measured by the strain sensors of the three strain test points of the same section can be used as the stress of the section at the moment, or a highest value can be removed, a lowest value can be removed, and the average value of the middle data can be used as the stress data of the section at the moment.
Wherein, the temperature acquisition module case includes first temperature acquisition module case, second temperature acquisition module case, third temperature acquisition module case and fourth temperature acquisition module case. The first temperature acquisition module box is arranged on the left side of the 100m section of the tunnel; the second temperature acquisition module box is arranged on the left side of the 350m section of the tunnel; the third temperature acquisition module box is arranged on the left side of the fifth section; the fourth temperature acquisition module box is arranged on the left side of the sixth section; the temperature sensors arranged on the first section and the second section are connected to the first temperature acquisition module box; the temperature sensors arranged on the third section and the fourth section are connected to the second temperature acquisition module box; the temperature sensor arranged on the fifth section is connected to the third temperature acquisition module box; and the temperature sensor arranged on the sixth section is connected to the fourth temperature acquisition module box. In this case, it is possible to make the arrangement more convenient for the first temperature collection module case, the second temperature collection module case, the third temperature collection module case, and the fourth temperature collection module case.
Wherein, the collection module case of meeting an emergency includes first collection module case of meeting an emergency, second collection module case of meeting an emergency, third collection module case of meeting an emergency, fourth collection module case of meeting an emergency, fifth collection module case of meeting an emergency, sixth collection module case of meeting an emergency, seventh collection module case of meeting an emergency and eighth collection module case of meeting an emergency. The first strain acquisition module box is arranged on the left side of the seventh section; the second strain acquisition module box is arranged on the left side of the eighth section; the third strain acquisition module box is arranged on the left side of the ninth section; the fourth strain acquisition module box is arranged on the left side of the tenth section; the fifth strain acquisition module box is arranged on the left side of the eleventh section; the sixth strain acquisition module box is arranged on the left side of the twelfth cross section; the seventh strain acquisition module box is arranged on the left side of the thirteenth section; the eighth strain acquisition module box is arranged on the left side of the fourteenth cross section; they are connected with strain sensors of corresponding sections. In this case, the strain acquisition module box is convenient to set, and the corresponding strain sensor data is convenient to acquire.
Referring to the attached drawing 3, the method for testing the mountain tunnel surrounding rock, lining temperature field and strain field testing system provided by the embodiment of the utility model comprises the following steps:
step S1: the temperature acquisition module box acquires temperature data from the corresponding temperature sensor at intervals of set time;
specifically, the temperature sensor acquires temperature data at a temperature measuring point in real time, and the temperature acquisition module box acquires the temperature data of the temperature sensor at intervals of set time. In the present embodiment, the set time is 1h, and in this case, the number of data acquired daily is 24, the number of data acquired yearly is 8760, the number of temperature data acquisition is moderate, and the number of data is also sufficient when used for data analysis, for each temperature measurement point.
Step S2: acquiring stress data from corresponding strain sensors at set time intervals by using a strain acquisition module box;
specifically, the strain sensor acquires stress data at a strain test point in real time, and the strain acquisition module box acquires the stress data of the strain sensor at intervals of set time. In the present embodiment, the set time is 1h, and in this case, the number of data acquired daily is 24, the number of data acquired yearly is 8760, the number of stress data acquisition is moderate, and the number of data is also sufficient when used for data analysis, for each strain test point. It should be noted that the time of acquiring the temperature data and the time of acquiring the stress data should correspond to each other, so that the temperature-stress curve can be obtained by taking time as an intermediate.
Step S3: the data processor draws a temperature-time curve according to the temperature data, wherein the abscissa of the temperature-time curve is time in h, and the ordinate of the temperature-time curve is temperature in h;
step S4: the data processor draws a stress-time curve according to the stress data, wherein the abscissa of the stress-time curve is time in h, and the ordinate of the stress-time curve is stress in h;
step S5: selecting temperature data corresponding to the selected moment from the temperature-time curve to obtain selected temperature data;
step S6: selecting stress data corresponding to the selected moment from the stress-time curve to obtain selected stress data, wherein the unit is N;
step S7: drawing a temperature-stress curve according to the selected temperature data and the selected stress data, wherein the abscissa of the temperature-stress curve is the temperature data, and the unit is; the ordinate of the temperature-stress curve is stress data in units of N; or the abscissa of the temperature-stress curve is stress data with the unit of N; the ordinate of the temperature-stress curve is temperature data, and the unit is;
step S8: and obtaining an expression of stress changing along with the temperature through fitting according to the temperature-stress curve.
Use the utility model provides a mountain tunnel country rock and lining cutting temperature field, meet an emergency field test system can gather corresponding temperature sensor's temperature data with the help of this temperature acquisition module case, the stress data with the help of this meet an emergency acquisition module case gathers corresponding strain sensor, on this basis, according to temperature-time curve and stress-time curve, can use the time as the intermediary, obtain temperature-stress curve, under this condition, can be according to this temperature-stress curve, can obtain the relevance between temperature and the stress, thereby for understanding the tunnel freeze injury mechanism provide basic data.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A mountain tunnel surrounding rock and lining temperature field and strain field test system is characterized by comprising a temperature sensor, a strain sensor, a temperature acquisition module box, a strain acquisition module box and a data processor,
the temperature sensor is used for collecting the temperature of a set position in a set section in the mountain tunnel,
the strain sensor is used for collecting the stress of a set position in a set section in the mountain tunnel,
the temperature acquisition module box is used for communicating with the temperature sensor and recording temperature data acquired by the temperature sensor;
the strain acquisition module box is used for communicating with the strain sensor and recording stress data acquired by the strain sensor;
and the data processor is communicated with the temperature acquisition module box and the strain acquisition module box and processes the temperature data and the stress data to obtain a test result.
2. The mountain tunnel surrounding rock and lining temperature field and strain field test system as claimed in claim 1, wherein the set section for the temperature sensor to collect temperature data in the mountain tunnel comprises a first section at a distance of 50m from the exit portal, a second section at a distance of 150m from the exit portal, a third section at a distance of 300m from the exit portal, a fourth section at a distance of 400m from the exit portal, a fifth section at a distance of 700m from the exit portal and a sixth section at a distance of 1000m from the exit portal.
3. The mountain tunnel surrounding rock and lining temperature field and strain field test system according to claim 2, wherein the set position for the temperature sensor to collect temperature data in the mountain tunnel comprises three temperature measurement holes respectively arranged on each of the first section, the second section, the third section, the fourth section, the fifth section and the sixth section, wherein the temperature measurement holes at each section comprise a first position at the vault of the mountain tunnel, a second position at the left side of the road surface of the mountain tunnel and 5m away from the cable, and a third position at the right side wall of the mountain tunnel and 4.2m away from the top surface of the cable trough.
4. The mountain tunnel surrounding rock and lining temperature field and strain field test system as claimed in claim 3, wherein each of the set positions of the temperature data is provided with 6 temperature sensors, and the temperature data for testing respectively comprises temperature data at a hole opening, temperature data at a hole depth of 0.5m, temperature data at a hole depth of 1.5m, temperature data at a hole depth of 2.0m and temperature data at a hole depth of 3.0 m.
5. The mountain tunnel surrounding rock and lining temperature field and strain field test system of claim 1, wherein the temperature sensor is attached to a pipe wall with a diameter of 10mm and extends into the test hole through the pipe.
6. The mountain tunnel surrounding rock and lining temperature field and strain field test system as claimed in claim 2, wherein the set sections for the strain sensors to acquire stress data of the mountain tunnel comprise a seventh section located at a distance of 5m from the opening, an eighth section located at a distance of 50m from the opening, a ninth section located at a distance of 100m from the opening, a tenth section located at a distance of 150m from the opening, an eleventh section located at a distance of 300m from the opening, a twelfth section located at a distance of 400m from the opening, a thirteenth section located at a distance of 700m from the opening and a fourteenth section located at a distance of 1000m from the opening,
the ninth cross section corresponds to the first cross section, the tenth cross section corresponds to the second cross section, the eleventh cross section corresponds to the third cross section, the twelfth cross section corresponds to the fourth cross section, the thirteenth cross section corresponds to the fifth cross section, and the fourteenth cross section corresponds to the sixth cross section.
7. The mountain tunnel surrounding rock and lining temperature field and strain field test system as claimed in claim 6, wherein 7 strain test points are provided for each set section of the stress data, and the positions of the 7 strain test points for each set section of the stress data respectively comprise:
a seventh test point 1.5m away from the upper part of the left cable trough;
a sixth test point which is 3m away from the seventh test point in a straight line;
a fifth test point which is 3m away from the sixth test point in a straight line;
a fourth test point which is 3m away from the fifth test point in a straight line;
a third test point which is 3m away from the fourth test point in a straight line;
the second test point is 3m away from the third test point in a straight line;
and the straight line distance from the second test point is 3 m.
8. The mountain tunnel surrounding rock and lining temperature field and strain field test system of claim 3, wherein the temperature acquisition module box comprises a first temperature acquisition module box, a second temperature acquisition module box, a third temperature acquisition module box and a fourth temperature acquisition module box,
the first temperature acquisition module box is arranged on the left side of the 100m section of the tunnel;
the second temperature acquisition module box is arranged on the left side of the 350m section of the tunnel;
the third temperature acquisition module box is arranged on the left side of the fifth section;
the fourth temperature acquisition module box is arranged on the left side of the sixth section;
the temperature sensors arranged on the first section and the second section are connected to the first temperature acquisition module box;
the temperature sensors arranged on the third section and the fourth section are connected to the second temperature acquisition module box;
the temperature sensor arranged on the fifth section is connected to the third temperature acquisition module box;
and the temperature sensor arranged on the sixth section is connected to the fourth temperature acquisition module box.
9. The mountain tunnel surrounding rock and lining temperature field, strain field test system of claim 6, wherein the strain acquisition module box comprises a first strain acquisition module box, a second strain acquisition module box, a third strain acquisition module box, a fourth strain acquisition module box, a fifth strain acquisition module box, a sixth strain acquisition module box, a seventh strain acquisition module box and an eighth strain acquisition module box,
the first strain acquisition module box is arranged on the left side of the seventh section;
the second strain acquisition module box is arranged on the left side of the eighth section;
the third strain acquisition module box is arranged on the left side of the ninth section;
the fourth strain acquisition module box is arranged on the left side of the tenth section;
the fifth strain acquisition module box is arranged on the left side of the eleventh section;
the sixth strain acquisition module box is arranged on the left side of the twelfth cross section;
the seventh strain acquisition module box is arranged on the left side of the thirteenth section;
the eighth strain acquisition module box is arranged on the left side of the fourteenth cross section;
they are connected with strain sensors of corresponding sections.
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| CN110514241A (en) * | 2019-08-15 | 2019-11-29 | 辽宁省交通规划设计院有限责任公司 | Mountain tunnel country rock and lining temperature field, strain field test macro and test method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110514241A (en) * | 2019-08-15 | 2019-11-29 | 辽宁省交通规划设计院有限责任公司 | Mountain tunnel country rock and lining temperature field, strain field test macro and test method |
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