CN113389573A - Tunnel informatization construction method - Google Patents
Tunnel informatization construction method Download PDFInfo
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- CN113389573A CN113389573A CN202110765566.3A CN202110765566A CN113389573A CN 113389573 A CN113389573 A CN 113389573A CN 202110765566 A CN202110765566 A CN 202110765566A CN 113389573 A CN113389573 A CN 113389573A
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- 238000010276 construction Methods 0.000 title claims abstract description 71
- 238000012544 monitoring process Methods 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims description 38
- 238000009415 formwork Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 5
- 230000005641 tunneling Effects 0.000 claims 2
- 230000007547 defect Effects 0.000 abstract description 2
- 239000013589 supplement Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses an information construction method of a tunnel, wherein a plurality of construction monitoring units are arranged on the outer side of a tunnel lining template; after filling, acquiring information of a cavity in the concrete through a construction monitoring unit, and judging whether the cavity influencing the concrete structure exists in the concrete or not based on the information of the cavity in the concrete; concrete is filled in a working window close to the cavity on the tunnel lining template, so that the cavity influencing the concrete structure is eliminated; the method can detect whether the cavity exists in the concrete and whether the cavity influences the structural strength of the lining concrete layer in the process of pouring the tunnel lining concrete, can supplement and fill the concrete in time to make up the defect, and ensures the quality of the pouring construction of the tunnel lining concrete.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to an information construction method for a tunnel.
Background
Tunnel lining refers to a permanent structure that supports and maintains the long-term stability and durability of a tunnel. The function is as follows: supporting and maintaining the stability of the tunnel; the space required by the train operation is kept; preventing the weathering of the surrounding rock; relieving the influence of underground water, etc. Therefore, the tunnel lining must have sufficient strength, durability, and certain resistance to freezing, permeability, and erosion.
As shown in fig. 1, which is a construction schematic diagram of tunnel lining concrete pouring in the prior art, a plurality of tunnel lining templates 102 are supported by template supports 101 to form an arch structure, and a gap is formed between the tunnel lining template 102 and the inner wall of a tunnel, as shown in fig. 2, a plurality of working windows 103 are arranged on the tunnel lining templates 102, and concrete is poured into the working windows 103; the tunnel lining concrete is cast with a large thickness, so that a cavity is easily formed in the cast concrete, and the structural strength of the lining concrete layer can be influenced by the large cavity.
Disclosure of Invention
The invention provides an information construction method for a tunnel, which solves the technical problem that a large cavity is formed in lining concrete pouring.
According to one aspect of the invention, an information construction method for a tunnel is provided, which comprises the following steps:
s1, arranging a plurality of construction monitoring units on the outer side of the tunnel lining template;
the construction monitoring unit is used for detecting a cavity existing in concrete filled between the tunnel lining template and the inner wall of the tunnel, and comprises a columnar supporting body connected with the tunnel lining template, and a plurality of distance detection units are distributed on the columnar supporting body; the distance detection unit can measure the distance between the columnar support body and the inner wall of the cavity of the concrete when the columnar support body is partially or completely positioned in the cavity of the concrete; the two distance detection units symmetrically arranged on the two sides of the columnar support body respectively measure the distance between the columnar support body and the inner wall of the concrete cavity, and the width of the concrete cavity is the sum of the distances between the columnar support body and the inner wall of the concrete cavity measured by the two distance detection units;
the two distance detection units symmetrically arranged on two sides of the columnar support body form a group, and each group of distance detection units can detect the width of the concrete cavity corresponding to one direction on one plane;
the multiple groups of distance detection units on the same plane are an equal-height set, and the columnar support body is provided with a plurality of equal-height set distance detection units along the long side direction of the columnar support body;
s2, filling concrete between the tunnel lining formwork and the inner wall of the tunnel;
s3, acquiring the information of the cavity in the concrete through the construction monitoring unit after filling, and judging whether the cavity influencing the concrete structure exists in the concrete or not based on the information of the cavity in the concrete;
as a method for judging whether there is a cavity in concrete that affects a concrete structure based on information of the cavity in concrete, the following two conditions are preset: the first condition is that the width of the concrete cavity detected by more than one group of distance detection units exceeds a first width threshold value;
the second condition is that the width of the concrete cavity measured by more than one group of distance detection units in N adjacent equal-height sets on more than one construction monitoring unit exceeds a first width threshold value;
judging whether a first condition and/or a second condition is met, and if the first condition and/or the second condition is met, indicating that a cavity influencing the concrete structure exists;
if neither the first condition nor the second condition is met, indicating that no cavity affecting the concrete structure exists;
s4, if a cavity influencing the concrete structure exists, positioning the position of the cavity;
the method for positioning the cavity position comprises the following steps:
and determining construction monitoring units to which more than one group of distance detection units with the detected width of the concrete cavity exceeding a first width threshold belong, and positioning the installation positions of the construction monitoring units on the tunnel lining template as cavity positions.
Determining that the construction monitoring units with the widths of the concrete cavities measured by more than one group of distance detection units in the N adjacent equal-height sets exceed a second width threshold value are used as cavity positions at the installation positions of the tunnel lining templates
And S5, filling concrete through the working window close to the cavity on the tunnel lining template, and eliminating the cavity influencing the concrete structure.
Further, steps S3-S5 are iteratively performed after step S5 until there is no cavity affecting the concrete structure.
Furthermore, a base is connected to the columnar supporting body of the construction monitoring unit, a hole in threaded fit with the base is formed in the tunnel lining formwork, and the base is detachably connected with the tunnel lining formwork.
The construction monitoring unit is disassembled after step S5.
The invention has the beneficial effects that:
the method can detect whether the cavity exists in the concrete and whether the cavity influences the structural strength of the lining concrete layer in the process of pouring the tunnel lining concrete, can supplement and fill the concrete in time to make up the defect, and ensures the quality of the pouring construction of the tunnel lining concrete.
Drawings
FIG. 1 is a schematic representation of a prior art construction of a tunnel lining concrete placement;
FIG. 2 is a schematic illustration of a plurality of prior art tunnel lining forms;
FIG. 3 is a flowchart of a method for information-based construction of a tunnel according to an embodiment of the present invention;
FIG. 4 is a schematic layout of a construction monitoring unit prior to construction according to an embodiment of the present invention;
FIG. 5 is a schematic illustration of a construction monitoring unit in concrete after construction of an embodiment of the present invention;
FIG. 6 is an enlarged view at A of FIG. 5;
FIG. 7 is a schematic structural diagram of a construction monitoring unit employing a distance detection unit according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a construction monitoring unit using a current-carrying column according to an embodiment of the present invention.
In the figure: the construction monitoring device comprises a formwork support 101, a tunnel lining formwork 102, a working window 103, a construction monitoring unit 200, a columnar support body 201, a distance detection unit 202, a power-on column 203, a positive terminal 204 and a secondary terminal 205.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It should be understood that these embodiments are discussed only to enable those skilled in the art to better understand and thereby implement the subject matter described herein, and are not intended to limit the scope, applicability, or examples set forth in the claims. Changes may be made in the function and arrangement of elements discussed without departing from the scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as needed. In addition, features described with respect to some examples may also be combined in other examples.
As shown in fig. 3, an information construction method for a tunnel includes the following steps:
s1, arranging a plurality of construction monitoring units 200 on the outer side of the tunnel lining form 102;
the construction monitoring unit 200 is used for detecting a cavity existing in concrete filled between the tunnel lining formwork 102 and the inner wall of the tunnel;
as shown in fig. 4-7, in the embodiment of the present invention, a specific construction monitoring unit 200 is provided, which includes a cylindrical supporting body 201 connected to a tunnel lining form 102, a plurality of distance detecting units 202 are distributed on the cylindrical supporting body 201, and the distance detecting units 202 can measure the distance between the cylindrical supporting body 201 and the inner wall of the cavity of the concrete when the cylindrical supporting body 201 is partially or completely located in the cavity of the concrete;
two distance detection units 202 symmetrically arranged on two sides of the columnar support 201 are in a group, each group of distance detection units 202 can detect the width of the corresponding concrete cavity in one direction on one plane, as shown in fig. 6, the two distance detection units 202 in a group respectively measure the distance Q, Z between the columnar support 201 and the inner wall of the concrete cavity, and the width D of the concrete cavity is Q + Z;
the plurality of groups of distance detection units 202 on the same plane are an equal-height set, and the columnar support body 201 is provided with a plurality of equal-height set distance detection units 202 along the long side direction thereof;
the distance detection unit 202 in the above embodiment employs an infrared distance measurement sensor or a laser distance measurement sensor;
as shown in fig. 8, another specific construction monitoring unit 200 is provided in the embodiment of the present invention, and includes a cylindrical support 201 connected to the tunnel lining form 102, a plurality of pairs of power-on columns 203 disposed perpendicular to the cylindrical support 201 are distributed on the cylindrical support 201, two power-on columns 203 of each pair of power-on columns 203 are symmetrically disposed on two sides of the cylindrical support 201, one end of the two power-on columns 203 of each pair of power-on columns 203, which is far away from the cylindrical support 201, is respectively provided with a positive terminal 204 and a secondary terminal 205, and a current loop is formed when the positive terminal 204 is conducted with the secondary terminal 205.
The electrified post 203 is set to be a preset length, if both the positive terminal 204 and the secondary terminal 205 on the electrified post 203 contact with concrete, a current loop is formed through the conduction of the concrete, and if any one end is positioned in the cavity and does not contact with the concrete, the current loop cannot be formed;
the materials of the power-on column 203 and the column-shaped support 201 are both insulating materials, and the materials of the positive terminal 204 and the secondary terminal 205 are conductive materials. The centers of the columnar support 201 and the energizing column 203 are provided with holes for passing wires, which connect the positive terminal 204 and the secondary terminal 205.
Similarly, the plurality of groups of the current-carrying columns 203 on the same plane are an equal-height set, and the columnar support 201 is provided with a plurality of equal-height set current-carrying columns 203 along the long side direction thereof;
s2, filling concrete between the tunnel lining template 102 and the inner wall of the tunnel;
s3, acquiring the information of the cavity in the concrete through the construction monitoring unit 200 after the filling is finished, and judging whether the cavity influencing the concrete structure exists in the concrete or not based on the information of the cavity in the concrete;
as a method for judging whether there is a cavity in concrete that affects a concrete structure based on information of the cavity in concrete, the following two conditions are preset: the first condition is that the width of the concrete cavity detected by more than one group of distance detection units 202 exceeds a first width threshold;
the second condition is that the width of the concrete cavity measured by more than one group of distance detection units 202 in N adjacent equal-height sets on more than one construction monitoring unit 200 exceeds a second width threshold, wherein N is more than or equal to 3;
the second width threshold is smaller than the first width threshold, although the width of the cavity is not detected to exceed the second width threshold, a plurality of cavities which are detected by the distance detection unit 202 to exceed the second width threshold exist along the longitudinal direction of the columnar support 201, which indicates that cavities which are distributed in the longitudinal direction and affect the concrete structure exist;
judging whether a first condition and/or a second condition is met, and if the first condition and/or the second condition is met, indicating that a cavity influencing the concrete structure exists;
if neither the first condition nor the second condition is met, indicating that no cavity affecting the concrete structure exists;
as another method for judging whether there is a cavity in concrete that affects a concrete structure based on information on the cavity in concrete, the following two conditions are preset: the third condition is that the positive terminal 204 and the secondary terminal 205 of the one or more pairs of the current-carrying posts 203 are not connected to form a loop;
the fourth condition is that the positive terminal 204 and the secondary terminal 205 of more than one pair of the electrified columns 203 in N adjacent equal-height sets on one construction monitoring unit 200 are not communicated to form a loop;
judging whether a third condition and/or a fourth condition is met, and if the third condition and/or the fourth condition is met, indicating that a cavity influencing the concrete structure exists;
if the third condition and the fourth condition are not satisfied, indicating that no cavity affecting the concrete structure exists;
s4, if a cavity influencing the concrete structure exists, positioning the position of the cavity;
as a method of locating a cavity location, comprising:
determining construction monitoring units 200 to which more than one group of distance detection units 202 with the detected width of the concrete cavity exceeding a first width threshold belong, and positioning the installation positions of the construction monitoring units 200 on the tunnel lining formwork 102 as cavity positions;
determining that the installation position of the construction monitoring unit 200, which is in the tunnel lining template 102 and has more than one group of width of the concrete cavity measured by the distance detection unit 202 in the N adjacent equal-height sets and exceeds a first width threshold value, is used as a cavity position;
as another method for locating the position of the cavity, the method comprises the following steps:
determining a construction monitoring unit 200 to which a power-on column 203 which is not communicated to form a loop belongs, and positioning the installation position of the construction monitoring unit 200 on the tunnel lining formwork 102 as a cavity position;
determining that the installation position of the construction monitoring unit 200, in which more than one pair of positive terminals 204 and secondary terminals 205 of the electrified columns 203 exist in N adjacent equal-height sets and are not communicated to form a loop, at the tunnel lining formwork 102 is used as a cavity position;
and S5, filling concrete through the working window 103 on the tunnel lining formwork 102 close to the cavity position, and eliminating the cavity influencing the concrete structure.
Steps S3-S5 may be iteratively performed after step S5 until there is no cavity affecting the concrete structure.
By the method, the cavity inside the concrete can be detected in real time during pouring of the tunnel lining concrete, the influence on the cavity of the concrete structure can be eliminated in time, and the quality of tunnel lining concrete pouring construction is ensured.
As for the construction monitoring unit 200 adopting the distance detection unit 202, a large number of sensor devices are required to be applied, so that the cost is high, but the detection accuracy is high, and the problem of micro-cavity interference cannot occur in the distance measurement mode, as the mode, the construction monitoring unit 200 is set into a structure detachably connected with the tunnel lining formwork 102, specifically, a columnar support body 201 of the construction monitoring unit 200 is connected with a base, a hole matched with the base in a threaded manner is arranged on the tunnel lining formwork 102, the construction monitoring unit 200 is installed in a threaded manner, the construction monitoring unit 200 is detached and pulled out through threads after the pouring is finished, and then the hole of the tunnel lining formwork 102 is sealed through a cover plate;
for the construction monitoring unit 200 adopting the electrified column, due to simple structure and low cost, the tunnel lining template 102 can be connected by adopting temporary fixing modes such as gluing and the like, lead holes are reserved on the tunnel lining template 102, the leads are cut off after the concrete is solidified and are kept in the concrete, and the construction monitoring unit can also play a role in reinforcing the framework in the concrete.
The embodiments of the present invention have been described with reference to the drawings, but the present invention is not limited to the above-mentioned specific embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention and the protection scope of the claims.
Claims (9)
1. An information construction method for a tunnel is characterized by comprising the following steps:
s1, arranging a plurality of construction monitoring units on the outer side of the tunnel lining template;
the construction monitoring unit is used for detecting a cavity existing in concrete filled between the tunnel lining template and the inner wall of the tunnel, and comprises a columnar supporting body connected with the tunnel lining template, and a plurality of distance detection units are distributed on the columnar supporting body;
the two distance detection units symmetrically arranged on two sides of the columnar support body form a group, and each group of distance detection units can detect the width of the concrete cavity corresponding to one direction on one plane;
the multiple groups of distance detection units on the same plane are an equal-height set, and the columnar support body is provided with a plurality of equal-height set distance detection units along the long side direction of the columnar support body;
s2, filling concrete between the tunnel lining formwork and the inner wall of the tunnel;
s3, acquiring the information of the cavity in the concrete through the construction monitoring unit after filling, and judging whether the cavity influencing the concrete structure exists in the concrete or not based on the information of the cavity in the concrete;
as a method for judging whether there is a cavity in concrete that affects a concrete structure based on information of the cavity in concrete, the following two conditions are preset: the first condition is that the width of the concrete cavity detected by more than one group of distance detection units exceeds a first width threshold value;
the second condition is that the width of the concrete cavity measured by more than one group of distance detection units in N adjacent equal-height sets on more than one construction monitoring unit exceeds a first width threshold value;
judging whether a first condition and/or a second condition is met, and if the first condition and/or the second condition is met, indicating that a cavity influencing the concrete structure exists;
if neither the first condition nor the second condition is met, indicating that no cavity affecting the concrete structure exists;
s4, if a cavity influencing the concrete structure exists, positioning the position of the cavity;
and S5, filling concrete through the working window close to the cavity on the tunnel lining template, and eliminating the cavity influencing the concrete structure.
2. The information-based construction method for the tunnel according to claim 1, wherein the distance detection unit is capable of measuring the distance between the columnar support and the inner wall of the cavity of the concrete when the columnar support is partially or completely located in the cavity of the concrete.
3. The information-based construction method for the tunnel according to claim 1, wherein the two distance detecting units symmetrically arranged at two sides of the columnar supporting body respectively measure the distance between the columnar supporting body and the inner wall of the concrete cavity, and the width of the concrete cavity is the sum of the distances between the columnar supporting body and the inner wall of the concrete cavity measured by the two distance detecting units.
4. The information-based construction method for the tunnel according to claim 1, wherein the distance detection unit adopts an infrared distance measurement sensor or a laser distance measurement sensor.
5. The tunneling informatization construction method according to claim 1, wherein the steps S3-S5 are iteratively performed after the step S5 until there is no cavity affecting the concrete structure.
6. The information-based construction method for the tunnel according to claim 1, wherein the method for locating the cavity position in the step S4 comprises:
and determining construction monitoring units to which more than one group of distance detection units with the detected width of the concrete cavity exceeding a first width threshold belong, and positioning the installation positions of the construction monitoring units on the tunnel lining template as cavity positions.
7. The information-based construction method for the tunnel according to claim 1, wherein the method for locating the cavity position in the step S4 comprises:
and determining that the installation position of the construction monitoring unit, which is measured by more than one group of distance detection units and has the width of the concrete cavity exceeding a second width threshold value, in the tunnel lining template in the N adjacent equal-height sets is used as the cavity position.
8. The information-based construction method for the tunnel according to claim 1, wherein the column-shaped supporting body of the construction monitoring unit is connected with a base, holes which are in threaded fit with the base are formed in the tunnel lining formwork, and the base is detachably connected with the tunnel lining formwork.
9. The information tunneling construction method according to claim 8, wherein the construction monitoring unit is disassembled after step S5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110765566.3A CN113389573B (en) | 2021-07-07 | 2021-07-07 | Tunnel informatization construction method |
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| CN202110765566.3A CN113389573B (en) | 2021-07-07 | 2021-07-07 | Tunnel informatization construction method |
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| CN113389573B CN113389573B (en) | 2023-07-14 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106327731A (en) * | 2016-10-19 | 2017-01-11 | 中铁隧道集团第五建筑有限公司 | Anti-void monitor for tunnel lining concrete vault |
| CN108166998A (en) * | 2017-12-27 | 2018-06-15 | 苏交科集团股份有限公司 | A kind of tunnel-liner support structure and its construction method |
| CN110080807A (en) * | 2019-06-03 | 2019-08-02 | 北京市市政四建设工程有限责任公司 | A kind of lining of tunneling Subway Tunnel big cross section stop line two new type formwork trolley |
| CN111396083A (en) * | 2019-09-29 | 2020-07-10 | 中铁隧道局集团有限公司 | Tunnel lining strip pressing mold pouring process and monitoring method for lining concrete pressure and full state thereof |
| CN111577328A (en) * | 2020-04-29 | 2020-08-25 | 中铁十二局集团有限公司 | Tunnel lining anti-void construction method |
-
2021
- 2021-07-07 CN CN202110765566.3A patent/CN113389573B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106327731A (en) * | 2016-10-19 | 2017-01-11 | 中铁隧道集团第五建筑有限公司 | Anti-void monitor for tunnel lining concrete vault |
| CN108166998A (en) * | 2017-12-27 | 2018-06-15 | 苏交科集团股份有限公司 | A kind of tunnel-liner support structure and its construction method |
| CN110080807A (en) * | 2019-06-03 | 2019-08-02 | 北京市市政四建设工程有限责任公司 | A kind of lining of tunneling Subway Tunnel big cross section stop line two new type formwork trolley |
| CN111396083A (en) * | 2019-09-29 | 2020-07-10 | 中铁隧道局集团有限公司 | Tunnel lining strip pressing mold pouring process and monitoring method for lining concrete pressure and full state thereof |
| CN111577328A (en) * | 2020-04-29 | 2020-08-25 | 中铁十二局集团有限公司 | Tunnel lining anti-void construction method |
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