CN110043279B - Tunnel mould spraying concrete support construction device and method - Google Patents
Tunnel mould spraying concrete support construction device and method Download PDFInfo
- Publication number
- CN110043279B CN110043279B CN201910371925.XA CN201910371925A CN110043279B CN 110043279 B CN110043279 B CN 110043279B CN 201910371925 A CN201910371925 A CN 201910371925A CN 110043279 B CN110043279 B CN 110043279B
- Authority
- CN
- China
- Prior art keywords
- tunnel
- template
- concrete
- steel
- construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 98
- 238000010276 construction Methods 0.000 title claims abstract description 75
- 238000005507 spraying Methods 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 117
- 239000010959 steel Substances 0.000 claims abstract description 117
- 230000008093 supporting effect Effects 0.000 claims abstract description 50
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000007547 defect Effects 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000005641 tunneling Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 1
- 239000011378 shotcrete Substances 0.000 description 9
- 238000004873 anchoring Methods 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a tunnel mould spraying concrete supporting construction device and a method, wherein the device comprises a steel supporting structure for supporting and fixing the whole device, the steel supporting structure is anchored on the inner wall of a tunnel through an anchor rod, a template for mould spraying concrete forming is fixedly arranged on the steel supporting structure, and the template is arranged along the inside of the tunnel and sequentially from bottom to top; the template is detachably connected with the steel support structure through a steel mould clamp; a bottom sealing template for sealing the bottom of the template is arranged between the template at the bottommost layer and the inner wall of the tunnel, and an end sealing template for sealing the side end opening of the template is arranged between the side end face of the template and the inner wall of the tunnel. The supporting construction device is simple in structure, convenient to use and controllable in quality, meets the passing requirements, can effectively improve the tunnel mould spraying concrete construction environment, improves the mould spraying efficiency and quality, and reduces the construction cost.
Description
Technical Field
The invention relates to the technical field of tunnel support, and mainly provides a construction device and a construction method for tunnel spray concrete support operation.
Background
At present, tunnel shotcrete is strutted and is adopted concrete sprayer direct operation mode generally, can in time seal the country rock to the layering is spouted to design thickness by several times, in order to reach the support purpose. However, the spraying concrete supporting operation mode in the prior art has the following prominent defects and shortcomings:
The method is limited by the operation mode and the spraying equipment, larger dust appears during operation, and certain influence is brought to the working environment and operators, so that even if advanced wet spraying equipment is adopted, the environmental conditions cannot be changed substantially.
Secondly, the rebound rate is too high in the concrete spraying operation, and is generally higher than 30%, and especially the concrete spraying rebound at the vault part is higher, so that more concrete materials are wasted, and the engineering cost is increased.
Thirdly, the operation efficiency of concrete spraying is low, when the concrete spraying thickness is large, the design thickness can be achieved only by multiple times and multiple layers of implementation, more working procedure time is occupied, and the tunnel construction speed is restricted to a certain extent.
Fourthly, the influence of tunnel excavation quality is limited, the sprayed concrete thickness is uneven, the concrete surface is uneven, and the supporting effect is influenced; especially for tunnels taking sprayed concrete as permanent support, the engineering image is also affected to a certain extent.
Fifth, the quality of the sprayed concrete is unstable, the thickness is uneven, the strength does not reach the standard, the surface is uneven, etc., which is a common problem in the operation of spraying concrete. After the tunnel runs for a period of time, the conditions of cracking, falling, peeling and the like are more common, and some tunnels even collapse; the situation is more obvious when the surrounding rock condition is worse.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a tunnel mould spraying concrete support construction device and method, which are simple in structure, convenient to use and controllable in quality, meet the traffic requirements, effectively improve the tunnel spraying concrete support construction environment, improve the spraying concrete efficiency and quality and reduce the construction cost.
In order to achieve the technical characteristics, the aim of the invention is realized in the following way: the tunnel mould spraying concrete supporting construction device comprises a steel supporting structure for supporting and fixing the whole device, wherein the steel supporting structure is anchored on the inner wall of a tunnel through an anchor rod, a template for mould spraying concrete forming is fixedly arranged on the steel supporting structure, and the template is arranged along the inside of the tunnel and is sequentially arranged from bottom to top; the template is detachably connected with the steel support structure through a steel mould clamp; a bottom sealing template for sealing the bottom of the template is arranged between the template at the bottommost layer and the inner wall of the tunnel, and an end sealing template for sealing the side end opening of the template is arranged between the side end face of the template and the inner wall of the tunnel.
The steel support structure comprises arc-shaped support channel steel arranged along the arc-shaped section of the tunnel, connecting holes matched with the anchoring rods are formed in the arc-shaped support channel steel, the arc-shaped support channel steel is fixed on the inner wall of the tunnel through the anchoring rods, and the plurality of sections of arc-shaped support channel steel are fixedly connected through bolts; every 3~5 pin of steel bearing structure is a set of, and every pin is independent, and the turnover is used around.
The anchor rod adopts an original supporting anchor rod adopting tunnel supporting, and a bolt is welded on the supporting anchor rod and fixedly connected with the steel supporting structure.
The templates adopt common shaping steel templates, and templates with different widths and lengths are selected according to the section size of the tunnel; the templates are divided into a left group and a right group, and 3-5 blocks of each group are alternately used.
For a full-circle tunnel constructed by a TBM tunneling machine, a construction track is paved on a bottom arch, and a set of mould spraying concrete supporting trolley structure is adopted.
The construction method of the tunnel mould spraying concrete support construction device comprises the following steps,
Step 1: manufacturing a steel support structure;
step 2: installing a steel support structure;
Step3: installing a template;
step4: spraying concrete for construction;
step 5: dismantling and moving the steel support structure and the template;
Step 6: and (5) eliminating defects and curing the mould spraying concrete.
The specific operation in the step 1 is that arc-shaped supporting channel steel is manufactured in sections according to design requirements in a manufacturing workshop, preassembled with a template, and section-numbered after acceptance inspection is qualified; the arc-shaped supporting channel steel adopts 12-20 channel steel, and steel grids can be adopted for large-section tunnels;
In the step 2, the concrete operation is that firstly, the mounting positions are accurately marked on the two sides of a tunnel, the existing anchor rods are utilized as much as possible, if the existing anchor rods cannot be fully utilized or are not utilized, stress anchor bars can be rebuckly arranged according to the measuring positions, the steel support structure is fixed on the anchor rods, and certain template mounting and dismounting allowance is considered for the intervals of the steel support structure;
The concrete operation in the step 3 is that after the steel support structure is installed in place, the installation of the bottom sealing template is completed, and the end sealing template is installed between the bottom end of the steel support structure and the tunnel.
The concrete operation in the step 4 is that after equipment is in place, materials are in place and personnel are on duty fully completed, concrete spraying is started, concrete is sprayed into the installed templates by utilizing a wet concrete sprayer, concrete spraying is started from feet at two sides of a tunnel, the process is strictly carried out according to layering and gradual spraying of the templates, then a bottom template is quickly removed and turned to the upper part, and then the next layer of template spraying construction is continued; so that the concrete spraying construction is completed gradually and circularly from bottom to top; when the construction is carried out to the vault capping part, the construction is convenient, and concrete spraying blocking can be directly adopted;
The two sides of the tunnel of one spraying concrete device are sprayed alternately, and when the engineering quantity is large and the strength requirement is high, the two devices can be synchronously carried out from the two sides of the tunnel.
The concrete operation in the step 5 is that after one circulation mould spraying concrete is finished, the template is removed firstly, then the steel support structure is removed, and then the steel support structure is gradually transferred to the next circulation construction; in order to ensure continuous construction of concrete, the working procedures of mounting the steel support structure and the templates, and the like can be performed in advance, and when the previous cycle operation is completed, the next cycle operation can be immediately carried out; when using permanent steel support, the construction cycle and the section length should be matched with the excavation supporting process.
The concrete operation in the step 6 is that after the steel support structure and the template are removed, the defects are eliminated in time, and then the sprayed concrete is cured by spraying water mist.
The invention has the following beneficial effects:
1. the steel support structure adopts a steel structure or utilizes permanent support, the template adopts a standard shaping steel template, the manufacture, the installation and the movement are convenient, each cycle of construction is completed, the steel support structure can move to the next bin in a faster time, the turnover use can be realized, and the cost is low.
2. The wet concrete spraying operation mode is adopted, the concrete is directly sprayed into the template, the operation is convenient, the control is easy, the concrete can be fully utilized, the rebound is hardly generated, the concrete cost is greatly saved, the dust is effectively controlled, and the operation environment is good.
3. The die spraying is completed in a layered manner, so that the quality control is facilitated, the internal quality of the concrete is compact, the thickness and the strength are reliable, the surface is smooth, and the quality is ensured.
4. The construction speed is fast, and engineering efficiency is high, is favorable to parallel operation, is favorable to tunnel construction speed to improve.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a cross-sectional view of a tunnel mold spray support construction of the present invention.
FIG. 2 is a cross-sectional view of the tunnel mold spray support construction of the present invention.
In the figure: the bottom sealing template 1, the template 2, the end sealing template 3, the bolts 4, the anchoring rods 5, the steel supporting structure 6, the construction track 7 and the steel mould clamp 8.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
Referring to fig. 1-2, a tunnel mould spraying concrete supporting construction device comprises a steel supporting structure 6 for supporting and fixing the whole device, wherein the steel supporting structure 6 is anchored on the inner wall of a tunnel through an anchor rod 5, a mould plate 2 for mould spraying concrete forming is fixedly arranged on the steel supporting structure 6, and the mould plate 2 is arranged along the inside of the tunnel and is sequentially arranged from bottom to top; the template 2 is detachably connected with the steel support structure 6 through a steel mould clamp 8; a bottom sealing template 1 for sealing the bottom of the template 2 is arranged between the template 2 at the bottommost layer and the inner wall of the tunnel, and an end sealing template 3 for sealing the side end face opening of the template 2 is arranged between the side end face of the template 2 and the inner wall of the tunnel. Through adopting the mould spraying concrete support construction device of above-mentioned structure, can be used for the mould spraying shaping of the inside concrete of tunnel, its simple structure, install and remove convenient, can continuous construction, effectual improvement efficiency of construction, reduce construction cost, promote construction quality and be favorable to parallel operation.
Further, the steel support structure 6 comprises arc-shaped support channel steel arranged along the arc-shaped section of the tunnel, a connecting hole matched with the anchoring rod 5 is formed in the arc-shaped support channel steel, the arc-shaped support channel steel is fixed on the inner wall of the tunnel through the anchoring rod 5, and a plurality of sections of arc-shaped support channel steel are fixedly connected through bolts 4; every 3-5 pin of the steel support structure 6 is a group, and each pin is independent and is used in a front-back turnover mode. The framework structure of the formwork support is formed by the steel support structure 6, and is also a protection channel for parallel operation, channel steel with different specifications can be selected according to the section size of the tunnel, the concrete thickness sprayed and the like, and generally 12-20 channel steel is suitable, and steel grids and the like can be also adopted for large-section tunnels; in order to be convenient to manufacture, transport, assemble and disassemble and move, the steel plates can be manufactured in sections, the joints are connected into a rigid structure by bolts, and the external dimension of the arc-shaped supporting channel steel is required to be consistent with the design section of the concrete; if the tunnel is designed as a steel support or a steel grid support, the designed permanent steel support can be directly utilized.
Meanwhile, in order to facilitate connection with the template 2 and the anchoring rod 5, a certain number of connecting holes are drilled on the steel supporting structure 6, and the holes are matched with the template and the connecting fixture. The steel supporting structure 6 is generally formed by adopting 3-5 truss as a group, and each truss is independent and can be used in a front-back turnover way. The spacing of the steel support structures 6 can be adapted to the modulus of the selected shaping rigid templates, and is also consistent with the length of the primary support section, and is preferably 1.2 meters or 1.5 meters. For the whole-circle tunnel constructed by the TBM tunneling machine, a set of mould spraying concrete supporting trolley can be designed due to the existing construction track on the bottom arch, so that frequent mounting and dismounting of the steel supporting structure 6 can be reduced, and the construction efficiency can be improved.
Furthermore, the anchoring rod 5 adopts an original supporting anchor rod adopting tunnel supporting, and a welding bolt is welded on the supporting anchor rod and fixedly connected with the steel supporting structure 6. However, considering the reasons that the precision errors, the number and the positions of the anchor rod construction are not necessarily matched with the positions of the steel support structure, the stress anchor bars can be additionally arranged according to the situation, and the bolts are welded on the stress anchor bars and connected with the steel support.
Furthermore, the templates 2 adopt common shaping steel templates, and templates with different widths and lengths are selected according to the section size of the tunnel; the templates 2 are divided into a left group and a right group, and 3-5 blocks of each group are alternately used. Templates with different widths and lengths can be selected according to the section size of the tunnel, and generally 3012, 3015, 2012 and 2015 are needed. For convenient assembly and disassembly, the templates are connected with the steel support structure 6 by special fixtures, and the templates are timely installed, timely removed and recycled along with concrete spraying operation from bottom to top.
Further, for the whole-circle tunnel constructed by adopting the TBM tunneling machine, a construction track 7 is paved on a bottom arch, and a set of mould spraying concrete supporting trolley structure is adopted.
Example 2:
The construction method of the tunnel mould spraying concrete support construction device comprises the following steps,
Step 1: manufacturing of the steel support structure 6: the arc-shaped supporting channel steel is manufactured in sections according to the design requirement in a manufacturing workshop, preassembled with the template 2, and section-numbered after acceptance inspection; the arc-shaped supporting channel steel adopts 12-20 channel steel, and steel grids can be adopted for large-section tunnels;
Step 2: mounting of the steel support structure 6: firstly, accurately marking mounting positions on two sides of a tunnel, and if the existing anchor rods are utilized as far as possible, if the existing anchor rods cannot be fully utilized or are not utilized, re-laying stress anchor bars according to the measuring positions to fix the steel support structures 6 on the anchor rods, wherein certain template mounting and dismounting allowance is considered for the intervals between the steel support structures 6;
step 3: mounting of the template 2: after the steel support structure 6 is installed in place, the bottom closure pattern 1 installation is completed and the end closure pattern 3 is installed between the bottom end of the steel support structure 6 and the tunnel.
Step 4: and (3) spray concrete construction: after equipment is in place, materials are in place and personnel are on duty fully completed, concrete spraying is started, concrete is sprayed into the installed templates by utilizing a wet concrete sprayer, concrete spraying is started from feet at two sides of a tunnel, the templates are fully sprayed strictly according to layering and steps, then a bottom template is quickly removed and turned to the upper part, and then the next layer of template spraying construction is continued; so that the concrete spraying construction is completed gradually and circularly from bottom to top; when the construction is carried out to the vault capping part, the construction is convenient, and concrete spraying blocking can be directly adopted; the two sides of the tunnel of one spraying concrete device are sprayed alternately, and when the engineering quantity is large and the strength requirement is high, the two devices can be synchronously carried out from the two sides of the tunnel.
Step 5: dismantling and moving the steel support structure 6 and the template 2: after one circulation mould spraying concrete is finished, firstly removing the template 2, then removing the steel support structure 6, and then gradually transferring the steel support structure 6 to the next circulation construction; in order to ensure continuous construction of concrete, the working procedures of the steel support structure 6, the template 2 and the like can be carried out in advance, and when the previous cycle operation is completed, the construction can be immediately carried out in the next cycle; when using permanent steel support, the construction cycle and the section length should be matched with the excavation supporting process.
Step 6: and (5) eliminating defects and curing of the mould spraying concrete: after the steel support structure 6 and the template 2 are removed, the defects are eliminated in time, and then the sprayed water mist is sprayed to the sprayed concrete for maintenance.
Furthermore, in the step 4, a mould spraying concrete supporting construction process is adopted, firstly, the requirements on the characteristics, the water cement ratio, the admixture, particularly the accelerator and the like of the concrete are strict, and proper concrete indexes are selected through strict experiments before the process is implemented so as to meet the requirements on concrete transportation, injection and storage, demoulding and the like; secondly, the performance requirements on concrete spraying equipment are strict, and high-performance spraying equipment is required to be selected so as to improve the construction efficiency; thirdly, the quality requirements on operation technicians are strict, and a special multifunctional technician and a construction management team are required to be selected so as to ensure the effective implementation of the process. The fundamental difference between this process and the conventional shotcrete process is the direct spraying of concrete into the form. When the preparation work is fully completed, after one group of steel supports are fixed in place, the two groups of templates on the two sides of the tunnel are in place, and are reliably connected with the steel supports, the end plugs are in place, and concrete spraying is started. Spraying concrete is carried out from feet on two sides of a tunnel, and in general, spraying operation is carried out on two sides of the tunnel alternately by adopting one spraying concrete device, so that when the engineering quantity is large and the strength requirement is high, two devices can be synchronously carried out on two sides of the tunnel. The sprayed concrete must be layered and divided from bottom to top, after the first layer of template is sprayed for 200-300mm for several times, the bottom layer of template can be removed and transferred to the upper layer for continuous turnover use, so that one cycle of sprayed concrete operation can be completed gradually from bottom to top.
Claims (5)
1. The construction method of the tunnel mould spray concrete support construction device is adopted, the tunnel mould spray concrete support construction device comprises a steel support structure (6) for supporting and fixing the whole device, the steel support structure (6) is anchored on the inner wall of a tunnel through an anchor rod (5), a template (2) for mould spray concrete forming is fixedly arranged on the steel support structure (6), and the template (2) is arranged along the inside of the tunnel and is sequentially arranged from bottom to top; the template (2) is detachably connected with the steel support structure (6) through a steel mould clamp (8); a bottom sealing template (1) for sealing the bottom of the template (2) is arranged between the template (2) at the bottommost layer and the inner wall of the tunnel, and an end sealing template (3) for sealing the side end opening of the template (2) is arranged between the side end surface of the template (2) and the inner wall of the tunnel;
It is characterized in that the construction method comprises the following steps,
Step 1: manufacturing a steel support structure (6);
step 2: mounting of a steel support structure (6);
step 3: installing a template (2);
step4: spraying concrete for construction;
Step 5: dismantling and moving the steel support structure (6) and the template (2);
Step 6: eliminating the defect and curing of the mould spraying concrete;
The specific operation in the step 1 is that arc-shaped supporting channel steel is manufactured in sections according to the design requirement in a manufacturing workshop, preassembled with a template (2), and section-numbered after acceptance inspection; the arc-shaped supporting channel steel adopts 12-20 channel steel, and steel grids can be adopted for large-section tunnels;
The concrete operation in the step 2 is that firstly, the mounting positions are accurately marked on two sides of a tunnel, if the two sides of the tunnel cannot be fully utilized or the anchor rods are not available, stress anchor bars are re-arranged according to the measurement positions, a steel support structure (6) is fixed on the anchor rods, and certain template mounting and dismantling allowance is considered for the intervals of the steel support structure (6);
The concrete operation in the step 3 is that after the steel support structure (6) is installed in place, the installation of the bottom sealing template (1) is completed, and the end sealing template (3) is installed between the bottom end of the steel support structure (6) and the tunnel;
The concrete operation in the step 4 is that after equipment is in place, materials are in place and personnel are on duty fully completed, concrete spraying is started, concrete is sprayed into the installed templates by utilizing a wet concrete sprayer, concrete spraying is started from feet at two sides of a tunnel, the process is strictly carried out according to layering and gradual spraying of the templates, then a bottom template is quickly removed and turned to the upper part, and then the next layer of template spraying construction is continued; so that the concrete spraying construction is completed gradually and circularly from bottom to top; when the construction is carried out to the vault capping part, the construction is convenient, and concrete spraying blocking can be directly adopted;
Adopting alternate spraying operation on two sides of a tunnel of a spraying concrete device, and synchronously carrying out two devices from two sides of the tunnel when the engineering quantity is large and the strength requirement is high;
The concrete operation in the step 5 is that after one circulation mould spraying concrete is finished, the template (2) is removed firstly, then the steel support structure (6) is removed, and then the steel support structure (6) is gradually transferred to the next circulation construction; in order to ensure continuous construction of concrete, the installation procedures of the steel support structure (6) and the template (2) are carried out in advance, and when the previous cycle operation is completed, the construction is immediately carried out in the next cycle; when the permanent steel support is utilized, the construction cycle and the section length of the permanent steel support are matched with those of the excavation supporting process;
The concrete operation in the step 6 is that after the steel support structure (6) and the template (2) are removed, the defects are eliminated in time, and then the water mist is sprayed to carry out maintenance on the model spraying concrete.
2. The construction method using the tunnel die spraying concrete support construction device according to claim 1, wherein: the steel support structure (6) comprises arc-shaped support channel steel arranged along the arc-shaped section of the tunnel, connecting holes matched with the anchor rods (5) are formed in the arc-shaped support channel steel, the arc-shaped support channel steel is fixed on the inner wall of the tunnel through the anchor rods (5), and a plurality of sections of arc-shaped support channel steel are fixedly connected through bolts (4); every 3~5 pin of steel supporting structure (6) is a set of, and every pin is independent, and the turnover is used around.
3. The construction method using the tunnel die spraying concrete support construction device according to claim 1, wherein: the anchor rod (5) adopts an original supporting anchor rod of a tunnel support, and a bolt is welded on the supporting anchor rod and fixedly connected with the steel supporting structure (6).
4. The construction method using the tunnel die spraying concrete support construction device according to claim 1, wherein: the templates (2) adopt common shaping steel templates, and templates with different widths and lengths are selected according to the section size of the tunnel; the templates (2) are divided into a left group and a right group, and 3-5 blocks of each group are alternately used.
5. The construction method using the tunnel die spraying concrete support construction device according to claim 1, wherein: for a full-round tunnel constructed by a TBM tunneling machine, a construction track (7) is paved on a bottom arch, and a set of mould spraying concrete supporting trolley structure is adopted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910371925.XA CN110043279B (en) | 2019-05-06 | 2019-05-06 | Tunnel mould spraying concrete support construction device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910371925.XA CN110043279B (en) | 2019-05-06 | 2019-05-06 | Tunnel mould spraying concrete support construction device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110043279A CN110043279A (en) | 2019-07-23 |
| CN110043279B true CN110043279B (en) | 2024-05-14 |
Family
ID=67280946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910371925.XA Active CN110043279B (en) | 2019-05-06 | 2019-05-06 | Tunnel mould spraying concrete support construction device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110043279B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700211A (en) * | 2019-11-09 | 2020-01-17 | 黄河勘测规划设计研究院有限公司 | Assembly type steel segment template construction method suitable for rapid lining of horseshoe-shaped tunnel |
| CN113107541B (en) * | 2021-05-20 | 2023-03-24 | 中国铁建重工集团股份有限公司 | Mold spraying concrete construction method and wet spraying trolley |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030036507A (en) * | 2003-04-12 | 2003-05-09 | 허복현 | A construction of mold for concreting in excavating tunnel |
| KR20090111178A (en) * | 2008-04-21 | 2009-10-26 | 코오롱건설주식회사 | Side mold for tunnel lining form |
| KR101165575B1 (en) * | 2011-12-08 | 2012-07-23 | 정봉진 | Tunnel construction method |
| CN106437776A (en) * | 2016-12-08 | 2017-02-22 | 贵州省公路工程集团有限公司 | Pressing die shotcreting construction technology for primary support of steel shotcrete of tunnel and primary support pressing die |
| CN106968692A (en) * | 2017-05-27 | 2017-07-21 | 中国水利水电第四工程局有限公司 | A kind of construction method of tunnel excavation support structure and the supporting construction |
| JP2018123537A (en) * | 2017-01-31 | 2018-08-09 | 株式会社グランデージ | Method of constructing mat foundation, tubular formwork and mat foundation structure |
| CN108952759A (en) * | 2018-06-27 | 2018-12-07 | 昆明理工大学 | A kind of tunnel lining structure and construction method using concrete filled steel tube and superimposed sheet |
| CN210068171U (en) * | 2019-05-06 | 2020-02-14 | 中国水利电力对外有限公司 | Tunnel mould spouts concrete support construction equipment |
-
2019
- 2019-05-06 CN CN201910371925.XA patent/CN110043279B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030036507A (en) * | 2003-04-12 | 2003-05-09 | 허복현 | A construction of mold for concreting in excavating tunnel |
| KR20090111178A (en) * | 2008-04-21 | 2009-10-26 | 코오롱건설주식회사 | Side mold for tunnel lining form |
| KR101165575B1 (en) * | 2011-12-08 | 2012-07-23 | 정봉진 | Tunnel construction method |
| CN106437776A (en) * | 2016-12-08 | 2017-02-22 | 贵州省公路工程集团有限公司 | Pressing die shotcreting construction technology for primary support of steel shotcrete of tunnel and primary support pressing die |
| JP2018123537A (en) * | 2017-01-31 | 2018-08-09 | 株式会社グランデージ | Method of constructing mat foundation, tubular formwork and mat foundation structure |
| CN106968692A (en) * | 2017-05-27 | 2017-07-21 | 中国水利水电第四工程局有限公司 | A kind of construction method of tunnel excavation support structure and the supporting construction |
| CN108952759A (en) * | 2018-06-27 | 2018-12-07 | 昆明理工大学 | A kind of tunnel lining structure and construction method using concrete filled steel tube and superimposed sheet |
| CN210068171U (en) * | 2019-05-06 | 2020-02-14 | 中国水利电力对外有限公司 | Tunnel mould spouts concrete support construction equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110043279A (en) | 2019-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108678775B (en) | Transverse oval deformation resistant shield tunnel reinforcing structure of embedded steel plate and construction method | |
| CN206646813U (en) | Template system for pouring concrete column | |
| CN202441391U (en) | End template device for mounting waterstop in tunnel secondary lining concrete | |
| CN203022024U (en) | Integrally-movable formwork for pipe gallery cast-in-situ construction | |
| CN110043279B (en) | Tunnel mould spraying concrete support construction device and method | |
| CN102966121A (en) | Integrally movable mould frame for pipe rack cast-in-site construction | |
| CN106337391B (en) | Maintenance construction method for large-area damage of bottom of high-pile wharf panel | |
| CN109372543B (en) | Tunnel lining underthickness reinforcement structure and construction method | |
| CN114481874B (en) | Prefabricated door type frame assembled box culvert and construction method | |
| CN109519193B (en) | Tunnel lining structure of existing railway line and construction method thereof | |
| CN107059911A (en) | A kind of prefabricated assembled basis and its assemble method | |
| CN114059654A (en) | Rapid construction method for improved AAO biological pond chamber jumping method of sewage treatment station | |
| CN110952995A (en) | Construction method for external tunnel door post-cast ring beam | |
| CN104675112A (en) | Steel stair formwork and constructing method for once pouring forming of building staircase | |
| CN207525755U (en) | Composite pile anchor supporting device | |
| CN210068171U (en) | Tunnel mould spouts concrete support construction equipment | |
| CN112302035A (en) | Prefabricated hollow steel pipe concrete supporting member, inner supporting system and construction method | |
| CN215979401U (en) | Rubber air bag plug template for tunnel secondary lining construction | |
| CN108978699B (en) | Land integral prefabricated bearing platform and production and installation method thereof | |
| CN114875813B (en) | Construction equipment and construction method for dismantling and rebuilding reinforced concrete steel frame arch bridge | |
| CN114657905A (en) | Integral box culvert vertical combined prefabricated rack and preparation method thereof | |
| CN211058144U (en) | Integral prefabricating and forming structure for embedded part and core cylinder reinforcing mesh of tower crane | |
| CN114561873A (en) | Bridge high pier construction method | |
| CN116653079A (en) | Production method of prefabricated building block suitable for frame structure assembly type constructional column | |
| CN211228413U (en) | Assembled steel section of jurisdiction template suitable for quick lining cutting of horseshoe tunnel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |