CN110552722A - Fabricated reinforcement cage construction method for rapid tunnel lining - Google Patents
Fabricated reinforcement cage construction method for rapid tunnel lining Download PDFInfo
- Publication number
- CN110552722A CN110552722A CN201910969025.5A CN201910969025A CN110552722A CN 110552722 A CN110552722 A CN 110552722A CN 201910969025 A CN201910969025 A CN 201910969025A CN 110552722 A CN110552722 A CN 110552722A
- Authority
- CN
- China
- Prior art keywords
- building block
- reinforcement cage
- tunnel
- tunnel lining
- block
- 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.)
- Granted
Links
- 230000002787 reinforcement Effects 0.000 title claims abstract description 105
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000003466 welding Methods 0.000 claims abstract description 12
- 238000009412 basement excavation Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 79
- 239000010959 steel Substances 0.000 claims description 79
- 238000009415 formwork Methods 0.000 claims description 35
- 239000011150 reinforced concrete Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 10
- 239000004567 concrete Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000004323 axial length Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000779 smoke Substances 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
- 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
-
- 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
- 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
- E21D11/14—Lining predominantly with metal
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (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 an assembly type reinforcement cage construction method for rapid tunnel lining, which comprises the steps of 1, designing tunnel lining into 2 ~ 4 meters along the axial direction of a tunnel as a tunnel lining unit according to the tunnel excavation diameter, wherein each tunnel lining unit is designed to be formed by connecting bottom building blocks, left side building blocks, right side building blocks and top building blocks which are divided along the circumferential direction into rings, 2, prefabricating bottom building blocks outside the tunnel, binding a left side building block reinforcement cage and a right side building block reinforcement cage with the top building block reinforcement cage, 3, performing tunnel lining construction, namely laying the bottom building blocks of a first tunnel lining unit, 4, installing the left side building block reinforcement cage and the right side building block reinforcement cage on the circumferential sides of the bottom building blocks, overlapping the circumferential stressed reinforcements, and firmly welding, and 5, overlapping the circumferential stressed reinforcements of the top building block reinforcement cage with the circumferential stressed reinforcements of the left side building block reinforcement cage and the right side building block reinforcement cage, and firmly welding to form rings.
Description
Technical Field
the invention relates to a construction method of a cast-in-place concrete lining of a tunnel, in particular to a design method of an assembled reinforcement cage in the tunnel lining.
Background
The construction speed of tunnel lining has great influence on the progress and safety of the project, and the construction speed of lining is limited by binding of a reinforcement cage in the tunnel. At present, the binding and welding of a reinforcement cage of a tunnel lining are mostly carried out in a tunnel, and the binding and welding efficiency of the reinforcement cage is very low due to the influence of space and illumination. In addition, dust and smoke generated in the process of binding and welding a large number of steel bars are difficult to dissipate in the holes, and the health of field workers is seriously endangered.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme:
The invention aims to provide a construction method of an assembled reinforcement cage for rapid lining of a tunnel.
the invention relates to a construction method of an assembled reinforcement cage for rapid lining of a tunnel, which comprises the following steps:
step 1, designing a tunnel lining into a tunnel lining unit along the axial direction of the tunnel by 2 ~ 4 m according to the tunnel excavation diameter of the tunnel, wherein each tunnel lining unit is designed to be formed by connecting a bottom building block, a left side building block, a right side building block and a top building block which are annularly divided into rings;
step 2, prefabricating the bottom building block outside the tunnel, and binding a left side building block reinforcement cage, a right side building block reinforcement cage and a top building block reinforcement cage; the two ends of the annular stressed steel bar of the bottom building block extend out of the radial joint faces of the annular stressed steel bar of the bottom building block respectively and are used for being lapped with the annular stressed steel bars of the left and right side building block steel bar cages which are connected with each other, the annular joint faces of the bottom building blocks are provided with water stopping grooves for installing water stopping belts, and positioning pins are arranged in the bottom building blocks along the axial direction and are used for positioning the bottom building blocks and the tunnel lining units which are connected with each other; the left and right side part building block steel reinforcement cages and the top building block steel reinforcement cage are bound by annular stressed steel reinforcements and structural stirrups; the structural stirrup is of a U-shaped structure, and the opening of the structural stirrup of the U-shaped structure is arranged towards the direction of the next tunnel lining unit which is connected with the structural stirrup and is used for being lapped with the structural stirrup of the next tunnel lining unit which is connected with the structural stirrup; the two ends of the circumferential stressed steel bar of the top building block steel bar cage respectively extend out of the radial joint surfaces of the circumferential stressed steel bar and are used for being lapped with the circumferential stressed steel bars of the left and right side building block steel bar cages which are connected with each other;
Step 3, tunnel lining construction: firstly, laying a bottom building block of a first tunnel lining unit, wherein the bottom building block plays a role of supporting a left building block reinforcement cage and a right building block reinforcement cage on one hand, and is used as a traffic foundation for equipment transportation in the tunnel on the other hand;
Step 4, mounting left and right side block reinforcement cages on the two circumferential sides of the laid bottom block, overlapping the circumferential stress reinforcement of the bottom block with the circumferential stress reinforcement of the left and right side block reinforcement cages which are connected with each other, and firmly connecting the circumferential stress reinforcement and the circumferential stress reinforcement by binding or welding;
step 5, the top block steel reinforcement cage is installed on the top of the tunnel in a pushing and lifting mode, the annular stress steel bars of the top block steel reinforcement cage are in lap joint with the annular stress steel bars of the left side block steel reinforcement cage and the right side block steel reinforcement cage which are connected with each other, and the top block steel reinforcement cage, the left side block steel reinforcement cage, the right side block steel reinforcement cage and the top block steel reinforcement cage of the first tunnel lining unit are firmly connected in a binding or welding mode, so that the bottom block, the left side block steel reinforcement cage, the right side;
Step 6, erecting a template, and pouring concrete to complete the integral lining structure of the first tunnel lining unit;
7, repeating the steps 3 to 6 to complete the integral lining structure of the second tunnel lining unit; before the template is erected in the step 6, the structural stirrups of the left and right side building block steel reinforcement cages and the top building block steel reinforcement cage of the first tunnel lining unit and the structural stirrups of the left and right side building block steel reinforcement cages and the top building block steel reinforcement cage of the second tunnel lining unit are correspondingly lapped, welded or bound firmly, and then the template is erected and concrete is poured;
And 8, repeating the step 7 to finish the integral lining construction of the whole tunnel.
When the diameter of the tunnel is more than 10 meters, the left side building block of the tunnel lining unit consists of a first left side building block and a second left side building block; the right side building block of tunnel lining unit comprises first right side building block and second right side building block.
the template comprises an arc-shaped reinforced concrete base template, a left side standard template, a right side standard template and a top sealing template, wherein the length of the arc-shaped reinforced concrete base template, the length of the left side standard template, the length of the right side standard template and the length of the top sealing template along the axial direction are 2 ~ 4 m, a traffic platform for laying a track is arranged on the inner arc surface of the arc-shaped reinforced concrete base template, the left side standard template, the right side standard template and the top sealing template are all of steel framework structures, namely, the traffic platform is composed of arc-shaped steel plates and longitudinal and transverse rib plates which are welded on the inner arc surfaces of the arc-shaped steel plates and used for improving the strength, and the arc-shaped reinforced concrete base template is connected with the left side standard template and the right side standard template and the left side standard template and the right side standard template are connected.
The method effectively improves the binding and welding efficiency of the tunnel lining reinforcement cage, improves the working environment in the tunnel, considers the traffic in the tunnel in the construction process, effectively reduces the construction interference and greatly improves the lining efficiency of the whole tunnel.
Drawings
Figure 1 is a schematic structural view of a tunnel lining unit implemented according to the present invention.
FIG. 2 is a schematic diagram of the lap joint of the bottom block hoop stress steel bar and the right block steel bar cage.
FIG. 3 is a schematic diagram of the right side block rebar cage of the present invention overlapping the top rebar cage.
fig. 4 is a schematic view of the erection module of the present invention in which concrete is poured.
Fig. 5 is a schematic view of an arc-shaped reinforced concrete base form according to the present invention.
Fig. 6 is a schematic view of the left side standard template (or the right side standard template) according to the present invention.
FIG. 7 is a schematic view of the capping template of the present invention.
the specific implementation mode is as follows:
as shown in fig. 1 ~ and fig. 3, the construction method of the fabricated reinforcement cage for rapid tunnel lining according to the present invention comprises the following steps:
step 1, according to the diameter of a tunnel to be excavated, designing a tunnel lining into a tunnel lining unit along 3 meters of the axial direction of the tunnel, so as to be convenient for transportation and installation; each tunnel lining unit is designed into a ring structure formed by connecting bottom building blocks, left side building blocks, right side building blocks and top building blocks which are segmented along the circumferential direction;
Step 2, prefabricating a bottom building block 1 outside the tunnel, and binding a left side building block reinforcement cage 2, a right side building block reinforcement cage 3 and a top building block reinforcement cage 4; the two ends of the annular stress steel bar 1.1 of the bottom building block 1 extend out of the radial joint faces of the annular stress steel bar 1.1 respectively and are used for being in lap joint with the annular stress steel bars of the left and right side building block steel reinforcement cages 2 and 3 which are connected with each other, the annular joint face of the bottom building block 1 is provided with a water stop tank for installing a water stop belt, and a positioning pin 1.2 is axially arranged in the bottom building block 1 and is used for positioning between the next tunnel lining unit which is connected with each other. The left and right side block reinforcement cages 2 and 3 and the top block reinforcement cage 4 are bound by an annular stress reinforcement 5 and a structural stirrup 6; the structural stirrup 6 is of a U-shaped structure, and the opening of the U-shaped structural stirrup 6 is arranged towards the direction of the next tunnel lining unit which is connected with the U-shaped structural stirrup and is used for being lapped with the structural stirrup of the next tunnel lining unit; the two ends of the annular stress steel bar 5 of the top building block steel bar cage 4 respectively extend out of the radial joint surface of the top building block steel bar cage and are used for being lapped with the annular stress steel bars 5 of the left and right side building block steel bar cages 1 and 3 which are connected with each other;
step 3, tunnel lining construction: firstly, laying a bottom building block 1 of a first tunnel lining unit, wherein the bottom building block plays a role of supporting a left building block reinforcement cage 2 and a right building block reinforcement cage 3 on one hand, and is used as a traffic foundation for equipment transportation in the tunnel on the other hand;
step 4, mounting left and right side block reinforcement cages 2 and 3 on the two circumferential sides of the laid bottom block 1, overlapping the circumferential stress reinforcement 1.1 of the bottom block 1 with the circumferential stress reinforcements 6 of the left and right side block reinforcement cages 2 and 3 which are connected with each other, and firmly connecting the two sides of the bottom block 1 in a binding or welding manner;
Step 5, the top block reinforcement cage 4 is installed to the top of the tunnel in a pushing mode, the annular stress reinforcement 5 of the top block reinforcement cage 4 is in lap joint with the annular stress reinforcements 5 of the left and right side block reinforcement cages 2 and 3 which are connected with each other, and the top block reinforcement cage 4, the left side block reinforcement cage 2, the right side block reinforcement cage 3 and the bottom block reinforcement cage 1 of the first tunnel lining unit are fixedly connected into a ring through a binding or welding mode, as shown in fig. 1;
Step 6, erecting a template, and pouring concrete to complete the integral lining structure of the first tunnel lining unit;
7, repeating the steps 3 to 6 to complete the integral lining structure of the second tunnel lining unit; before the template is erected in the step 6, the left and right side part building block steel reinforcement cages 2 and 3 and the structural stirrups 6 of the top building block steel reinforcement cage 4 of the first tunnel lining unit are correspondingly lapped and welded or firmly bound with the structural stirrups of the left and right side part building block steel reinforcement cages and the top building block steel reinforcement cage of the second tunnel lining unit, and then the template is erected and concrete is poured;
And 8, repeating the step 7 to finish the integral lining construction of the whole tunnel.
as shown in FIG. 4 ~ 7, the formwork comprises an arc-shaped reinforced concrete base formwork 7, a left side standard formwork 8, a right side standard formwork 9 and a top sealing formwork 10, the length of the arc-shaped reinforced concrete base formwork 7, the length of the left side standard formwork 8, the length of the right side standard formwork 9 and the length of the top sealing formwork 10 are 3 m along the axial direction, a traffic platform 7.1 for laying rails is arranged on the inner arc surface of the arc-shaped reinforced concrete base formwork 7, the left side standard formwork 8, the right side standard formwork 9 and the top sealing formwork 10 are all of steel framework structures, namely, the traffic platform is composed of an arc-shaped steel plate 11 and longitudinal and transverse rib plates 12 welded on the inner arc surface of the arc-shaped steel plate 11 and used for improving the strength, and the arc-shaped reinforced concrete base formwork 7 is connected with the left side standard formwork 8 and the right side standard formwork 9 and the left side standard formwork 8 and the right side standard formwork 9 are connected.
When erecting the template, laying the arc reinforced concrete base template 7 on the bottom building block 1, and laying a traffic platform 7.1 on the inner arc surface according to traffic needs; then, taking the arc reinforced concrete base template 7 as a support, arranging the left and right side standard templates 8 and 9 at two sides of the arc reinforced concrete base template 7, and connecting through high-strength bolts 13; and finally, the capping template 10 is pushed to the mounting position of the top of the tunnel and is connected with the left and right side standard templates 8 and 9 through high-strength bolts 13, so that a unit template ring is formed, as shown in fig. 4.
in addition, when the diameter of the tunnel is >10 meters, the left side block of the tunnel lining unit may be taken to consist of a first left side block and a second left side block; the right side block of the tunnel lining unit may also be comprised of a first right side block and a second right side block.
Claims (3)
1. A construction method of an assembled reinforcement cage for rapid lining of a tunnel is characterized by comprising the following steps: the method comprises the following steps:
Step 1, designing a tunnel lining into a tunnel lining unit along the axial direction of the tunnel by 2 ~ 4 m according to the tunnel excavation diameter of the tunnel, wherein each tunnel lining unit is designed to be formed by connecting a bottom building block, a left side building block, a right side building block and a top building block which are annularly divided into rings;
step 2, prefabricating the bottom building block outside the tunnel, and binding a left side building block reinforcement cage, a right side building block reinforcement cage and a top building block reinforcement cage; the two ends of the annular stressed steel bar of the bottom building block extend out of the radial joint faces of the annular stressed steel bar of the bottom building block respectively and are used for being lapped with the annular stressed steel bars of the left and right side building block steel bar cages which are connected with each other, the annular joint faces of the bottom building blocks are provided with water stopping grooves for installing water stopping belts, and positioning pins are arranged in the bottom building blocks along the axial direction and are used for positioning the bottom building blocks and the tunnel lining units which are connected with each other; the left and right side part building block steel reinforcement cages and the top building block steel reinforcement cage are bound by annular stressed steel reinforcements and structural stirrups; the structural stirrup is of a U-shaped structure, and the opening of the structural stirrup of the U-shaped structure is arranged towards the direction of the next tunnel lining unit which is connected with the structural stirrup and is used for being lapped with the structural stirrup of the next tunnel lining unit which is connected with the structural stirrup; the two ends of the circumferential stressed steel bar of the top building block steel bar cage respectively extend out of the radial joint surfaces of the circumferential stressed steel bar and are used for being lapped with the circumferential stressed steel bars of the left and right side building block steel bar cages which are connected with each other;
Step 3, tunnel lining construction: firstly, laying a bottom building block of a first tunnel lining unit, wherein the bottom building block plays a role of supporting a left building block reinforcement cage and a right building block reinforcement cage on one hand, and is used as a traffic foundation for equipment transportation in the tunnel on the other hand;
Step 4, mounting left and right side block reinforcement cages on the two circumferential sides of the laid bottom block, overlapping the circumferential stress reinforcement of the bottom block with the circumferential stress reinforcement of the left and right side block reinforcement cages which are connected with each other, and firmly connecting the circumferential stress reinforcement and the circumferential stress reinforcement by binding or welding;
Step 5, the top block steel reinforcement cage is installed on the top of the tunnel in a pushing and lifting mode, the annular stress steel bars of the top block steel reinforcement cage are in lap joint with the annular stress steel bars of the left side block steel reinforcement cage and the right side block steel reinforcement cage which are connected with each other, and the top block steel reinforcement cage, the left side block steel reinforcement cage, the right side block steel reinforcement cage and the top block steel reinforcement cage of the first tunnel lining unit are firmly connected in a binding or welding mode, so that the bottom block, the left side block steel reinforcement cage, the right side;
Step 6, erecting a template, and pouring concrete to complete the integral lining structure of the first tunnel lining unit;
7, repeating the steps 3 to 6 to complete the integral lining structure of the second tunnel lining unit; before the template is erected in the step 6, the structural stirrups of the left and right side building block steel reinforcement cages and the top building block steel reinforcement cage of the first tunnel lining unit and the structural stirrups of the left and right side building block steel reinforcement cages and the top building block steel reinforcement cage of the second tunnel lining unit are correspondingly lapped, welded or bound firmly, and then the template is erected and concrete is poured;
and 8, repeating the step 7 to finish the integral lining construction of the whole tunnel.
2. the assembly type reinforcement cage construction method for rapid tunnel lining according to claim 1, wherein: when the diameter of the tunnel is more than 10 meters, the left side building block of the tunnel lining unit consists of a first left side building block and a second left side building block; the right side building block of tunnel lining unit comprises first right side building block and second right side building block.
3. the assembly type reinforcement cage construction method for the rapid tunnel lining is characterized in that the formwork consists of an arc-shaped reinforced concrete base formwork, a left side standard formwork, a right side standard formwork and a top sealing formwork, the axial length of the arc-shaped reinforced concrete base formwork, the axial length of the left side standard formwork, the axial length of the right side standard formwork and the axial length of the top sealing formwork are 2 ~ 4 m, a traffic platform for laying a track is arranged on the inner arc surface of the arc-shaped reinforced concrete base formwork, the left side standard formwork, the right side standard formwork and the top sealing formwork are all of steel framework structures, namely arc-shaped steel plates and longitudinal and transverse rib plates welded on the inner arc surfaces of the arc-shaped steel plates and used for improving the strength, and the arc-shaped reinforced concrete base formwork and the left and right side standard formworks as well as the left and right side standard formworks and the top sealing formwork are connected through high-strength bolts respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910969025.5A CN110552722B (en) | 2019-10-12 | 2019-10-12 | Fabricated reinforcement cage construction method for rapid tunnel lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910969025.5A CN110552722B (en) | 2019-10-12 | 2019-10-12 | Fabricated reinforcement cage construction method for rapid tunnel lining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110552722A true CN110552722A (en) | 2019-12-10 |
| CN110552722B CN110552722B (en) | 2020-09-29 |
Family
ID=68742853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910969025.5A Active CN110552722B (en) | 2019-10-12 | 2019-10-12 | Fabricated reinforcement cage construction method for rapid tunnel lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110552722B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110820702A (en) * | 2019-12-11 | 2020-02-21 | 黄河勘测规划设计研究院有限公司 | Lining construction method for assembled reinforced mesh cast-in-place concrete tunnel |
| CN113006833A (en) * | 2021-03-12 | 2021-06-22 | 黄河勘测规划设计研究院有限公司 | Reinforcing bar net piece connection type suitable for assembled tunnel lining |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221164A (en) * | 2015-09-22 | 2016-01-06 | 中国石油天然气集团公司 | A kind of sealing tool for deep tunnel slip casting reparation and assemble method |
| CN106593464A (en) * | 2016-11-24 | 2017-04-26 | 山东科技大学 | Tunnel axial damping and energy absorbing device and tunnel lining structure with same |
| JP2017186802A (en) * | 2016-04-06 | 2017-10-12 | 鹿島建設株式会社 | Manufacturing method of tunnel lining reinforced cage and tunnel lining method |
| CN107476812A (en) * | 2017-09-27 | 2017-12-15 | 贵州省公路工程集团有限公司 | A kind of assembled inverted arch and preparation method thereof |
| CN110080799A (en) * | 2019-05-09 | 2019-08-02 | 黄河勘测规划设计研究院有限公司 | The embedded steel compound tube piece making method of side steel suitable for shield formula TBM |
-
2019
- 2019-10-12 CN CN201910969025.5A patent/CN110552722B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221164A (en) * | 2015-09-22 | 2016-01-06 | 中国石油天然气集团公司 | A kind of sealing tool for deep tunnel slip casting reparation and assemble method |
| JP2017186802A (en) * | 2016-04-06 | 2017-10-12 | 鹿島建設株式会社 | Manufacturing method of tunnel lining reinforced cage and tunnel lining method |
| CN106593464A (en) * | 2016-11-24 | 2017-04-26 | 山东科技大学 | Tunnel axial damping and energy absorbing device and tunnel lining structure with same |
| CN107476812A (en) * | 2017-09-27 | 2017-12-15 | 贵州省公路工程集团有限公司 | A kind of assembled inverted arch and preparation method thereof |
| CN110080799A (en) * | 2019-05-09 | 2019-08-02 | 黄河勘测规划设计研究院有限公司 | The embedded steel compound tube piece making method of side steel suitable for shield formula TBM |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110820702A (en) * | 2019-12-11 | 2020-02-21 | 黄河勘测规划设计研究院有限公司 | Lining construction method for assembled reinforced mesh cast-in-place concrete tunnel |
| CN113006833A (en) * | 2021-03-12 | 2021-06-22 | 黄河勘测规划设计研究院有限公司 | Reinforcing bar net piece connection type suitable for assembled tunnel lining |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110552722B (en) | 2020-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108951870B (en) | Construction method of low-rise fully-assembled concrete shear wall structure system | |
| KR100694503B1 (en) | Downward construction system and method for 1-way girder and slab of underground structure | |
| CN111395351A (en) | Assembled supporting structure of foundation pit and supporting construction method | |
| CN112502714B (en) | Assembled shaft barrel structure and design and construction method | |
| CN110552722B (en) | Fabricated reinforcement cage construction method for rapid tunnel lining | |
| CN109139049B (en) | Construction method for secondary lining buckling arch of underground excavation station of subway | |
| JP2020002778A (en) | Bridge pier construction method | |
| CN210530854U (en) | Assembled steel reinforcement cage for rapid lining of tunnel | |
| CN113668370A (en) | Prefabricated pier and construction method thereof | |
| CN111022080A (en) | Connection structure of track beam and shield tunnel, construction method of connection structure and shield tunnel | |
| CN106351235A (en) | Assembled type four-combined-round-steel-pipe concrete inner support structure and manufacturing method | |
| CN212506288U (en) | Cast-in-place reinforced concrete foundation pit inner supporting structure | |
| CN212054734U (en) | A template that is used for quick lining cutting of city portal tunnel | |
| CN104929656A (en) | Novel tunnel first lining structure and construction method thereof | |
| CN105298147A (en) | Ultra-deep foundation pit spiral descending quick material transportation passage and construction method thereof | |
| CN111365033A (en) | Rapid lining method and template for tunnel-shaped tunnel of city portal | |
| CN213296364U (en) | Connecting piece and supporting beam steel bar assembly for cast-in-place reinforced concrete foundation pit inner support sectional construction | |
| JP2020060000A (en) | Skeleton construction method | |
| CN214460442U (en) | Pre-tensioning precast concrete supporting member and inner supporting system | |
| CN111456034A (en) | Construction technology of cast-in-place reinforced concrete foundation pit inner support structure | |
| CN211692489U (en) | Connection structure of track beam and shield tunnel | |
| CN209975714U (en) | Assembled prefabricated component | |
| CN211524839U (en) | Template for quickly lining urban portal tunnel with reinforced concrete bottom plate | |
| CN107762071B (en) | Prefabricated reinforcement cage structure, pouring structure body and structure body construction method | |
| CN211524840U (en) | Egg-shaped tunnel quick lining template suitable for existing reinforced concrete bottom plate |
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 |