CN111188633A - Rapid construction method for secondary lining of small-section tunnel - Google Patents
Rapid construction method for secondary lining of small-section tunnel Download PDFInfo
- Publication number
- CN111188633A CN111188633A CN202010019000.1A CN202010019000A CN111188633A CN 111188633 A CN111188633 A CN 111188633A CN 202010019000 A CN202010019000 A CN 202010019000A CN 111188633 A CN111188633 A CN 111188633A
- Authority
- CN
- China
- Prior art keywords
- tunnel
- section
- arch
- construction
- template
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 101
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000009415 formwork Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000011295 pitch Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract 2
- 230000032258 transport Effects 0.000 description 18
- 230000003014 reinforcing effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Images
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
- E21D11/102—Removable shuttering; Bearing or supporting devices 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
-
- 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
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
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 rapid construction method for a secondary lining of a small-section tunnel, which is characterized in that a reinforcing steel bar transport vehicle and a wheel type dump truck are utilized to transport and store the secondary lining reinforcing steel bars to a designated position in the tunnel while the tunnel is cleaned after the tunnel is communicated, after the tunnel is cleaned, the secondary lining is simultaneously constructed from two ends of the tunnel to the middle, a customized inverted arch template is utilized to construct a lower inverted arch, then a plurality of portal arch wall template trolleys are utilized to follow a skip method to construct an upper arch wall, the portal arch wall template trolleys form a set, and joints are connected in a hinged mode, so that the construction of a curve tunnel can be adapted. The two-lining rapid construction method for the small-section tunnel has the advantages that the single construction section is long, the procedure connection is compact, the two-lining rapid and efficient construction of the tunnel can be realized, the mechanization degree of the whole construction process is high, the labor intensity is greatly reduced, the construction templates are integrally formed, the engineering quality is ensured, and the construction period and the economic benefit are obvious.
Description
Technical Field
The invention belongs to the technical field of secondary lining construction, and particularly relates to a rapid construction method for a secondary lining of a small-section tunnel.
Background
With the rapid development of urban construction and national economy, the development of urban underground spaces is more developed, the construction of subway tunnels, utility tunnels and even deep drainage tunnels is more common, and a plurality of tunnels relate to the construction of secondary lining.
The second lining construction needs to perform the work of steel bar binding, template installation and concrete pouring in the tunnel which is finished with the primary support, and domestic tunnels, particularly small-section tunnels, are constructed by basically adopting a needle beam type or a through type template trolley.
At present, the section of the two-lining construction of many domestic tunnels is small, the working space is narrow, and the traditional formwork trolley construction does not have the condition that a plurality of formworks are put into construction simultaneously. In addition, tunnels with special-shaped sections are also arranged, and when secondary lining construction is carried out, the single full-section pouring construction difficulty is higher.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention provides a rapid construction method for a secondary lining of a small-section tunnel, and the technical problems are solved.
The invention achieves the aim through the following technical scheme, and the rapid construction method for the secondary lining of the small-section tunnel mainly comprises a steel bar transport vehicle, a wheel type dump truck, a customized inverted arch template, a self-propelled gantry crane, an electric flat car, a portal arch wall template trolley and a concrete pump truck.
The reinforcing bar transport vechicle comprises transportation flat board, power locomotive and walking wheel, and the shape and the single volume of transportation according to two lining reinforcing bars of required transportation set up the fender structure on the transportation flat board, guarantee the reinforcing bar and stack in classification and the stability in the transportation, and the hole leads to the back, and the reinforcing bar is hung by the working well and is put to the reinforcing bar transport vechicle on, by its transportation to the hole in near clearance completion region.
The wheel type dump truck is used for unloading reinforcing steel bars in a hole, the upper structure of the wheel type dump truck is a portal crane, the lower part of the wheel type dump truck is provided with a rubber wheel with an adjustable angle, the wheel type dump truck can adapt to walking on structural surfaces with different radians, and after the reinforcing steel bars are conveyed to a storage position by the reinforcing steel bar transport truck, the reinforcing steel bars are lifted, transported and placed by the wheel type dump truck, so that the reinforcing steel bars are stacked according to the use sequence.
The customized inverted arch template is an integral steel template matched with the shape of the two-lining inverted arch, two tracks are arranged on the annular rib of the template along the tunnel direction, and two adjacent templates are butted by flanges.
Self-propelled gantry crane driving, electric flat car and customization invert template are as its walking platform, mainly used customization invert template tear open mould, hoist and mount, transport and install, and self-propelled gantry crane driving and electric flat car lower part are provided with the walking wheel, and the track phase-match that sets up on walking wheel model and gauge and the customization invert template.
The gate-type arch wall formwork trolley comprises a frame system and a formwork system, wherein the frame system is of a gate-type structure, walking wheels are arranged at the bottom of the frame system, the walking wheels are connected with the frame system through vertical oil cylinders, the vertical oil cylinders can achieve overall lifting of the trolley, the formwork system is integrally sleeved on the periphery of the frame system and comprises a top formwork and a side formwork, hinged nodes are arranged between the top formwork and the side formwork, the formwork system is connected with the frame system through hydraulic oil cylinders, and supporting and folding actions of the formwork system are achieved.
The concrete pump truck is mainly used for pumping concrete to a pouring point from a tank truck, the external dimension of the concrete pump truck needs to be designed according to the size of a tunnel section, the concrete pump truck needs to be located at the tail part of a first portal type arch wall trolley close to a tunnel opening end along with the forward movement synchronous movement of a working face in construction, the pumping distance of the concrete pump truck is not less than 4 flow segments, an inverted arch is poured firstly during pouring, an arch wall is poured later, and pouring is conducted from far to near.
In the rapid construction method for the secondary lining of the small-section tunnel, the portal type arch wall formwork trolley is a set of multiple sections in order to adapt to a curved tunnel, the sections are connected in a hinged mode and have plane rotation capacity, and after the formwork is erected in place, the portal type arch wall formwork trolley is fixed by the lateral screw rods and bears the load generated by concrete pouring.
A quick construction method for a secondary lining of a small-section tunnel is characterized by comprising the following steps: the construction method comprises the following steps:
s1: after the tunnel is opened, cleaning the tunnel and conveying the reinforcing steel bars into the tunnel;
s2: sequentially constructing the reinforcing steel bars from two ends to the middle, and integrally binding and forming at one time;
s3: completing inverted arch construction of the first two flowing water segments;
s4: constructing a third section of inverted arch and odd bins of the first and second sections of arch walls at the same time, and constructing a fourth section of inverted arch and even bins of the first and second sections of arch walls after the construction is finished;
s5: constructing inverted arches and arch walls from two ends to the middle in sequence by the method of the step S4;
s6: after the inverted arch of the middle section of the tunnel is closed, the equipment of one working face is withdrawn, the equipment construction of one working face is left, the residual arch wall is completed, the tunnel is withdrawn, and the second lining construction is completed.
In the step S1, the reinforcing steel bars are transported into the hole by the reinforcing steel bar transport vehicle, the reinforcing steel bars on the reinforcing steel bar transport vehicle are unloaded to each construction section of the tunnel in a segmented mode by the wheel type dump truck, and when the reinforcing steel bars are stacked, the reinforcing steel bars of the former die are stacked to the position of the latter die, a reinforcing steel bar working surface is reserved, and the conveying distance of the reinforcing steel bars is reduced.
In the above rapid construction method for the secondary lining of the small-section tunnel, in the step S2, the reinforcing steel bars are sequentially constructed from the two ends to the middle of the tunnel, the reinforcing steel bars are completely installed in one time, and the installation progress of the reinforcing steel bars is at least one flow beat ahead of the inverted arch construction.
In the above fast construction method for the secondary lining of the small-section tunnel, in step S3, two self-propelled gantry cranes and one electric flat car are arranged on a single working face, and the method specifically comprises the following steps: the customized inverted arch formwork is hoisted through a self-propelled gantry crane, the customized inverted arch formwork is rotated by 90 degrees to pass through the crane after a long side of the formwork is parallel to a longitudinal beam of the self-propelled gantry crane, the customized inverted arch formwork is rotated to be perpendicular to the longitudinal beam and placed on the electric flat car, the electric flat car is transported to a position to be supported, the customized inverted arch formwork is transported and installed at a first-section second-lining construction section where reinforcement is finished through another self-propelled gantry crane, the transportation mode of the customized inverted arch formwork is the same as that of the self-propelled gantry crane, concrete pouring is carried out after installation, pouring is carried out from far to near, the customized inverted arch formwork is demoulded after the maintenance reaches the strength, the customized inverted arch formwork is transported to a second-section second-lining construction section where reinforcement is.
The rapid construction method for the second lining of the small-section tunnel is characterized in that in the step S4, after the construction of the second section of inverted arch is completed, the customized inverted arch template is transported to the third section of second-lining construction section, meanwhile, the portal arch wall template trolley is transported to the area of the first section and the second section in the tunnel where the second-lining inverted arch is completed, the length of each section of inverted arch is equally divided into n bins, the length of each bin is the same as that of a single portal arch wall template trolley, the 1 st, 3 rd and 5 … … 2n-1 bins are supported for the first time during arch wall construction, after the support is completed, the concrete of the inverted arch of the third section and the concrete of the odd-numbered bins are simultaneously poured, after the construction is completed, the customized inverted arch template is transported to the fourth section of second-lining construction section by adopting the same method, and simultaneously the portal arch wall template trolley is moved forward by 1 bin, namely the 2 nd, 4 th and 6 … … 2n bins, after the support is completed, the concrete of the fourth section and the even-numbered bins are, when in pouring, the inverted arch is poured firstly, then the arch wall is poured, and pouring is carried out from far to near.
In the step S5, the two linings are constructed sequentially according to the sequence of ① 2n +1 flowing water segment inverted arch, 2n-1 and 2n flowing water segment odd-numbered warehouse arch walls, ② 2n +2 flowing water segment inverted arch, 2n-1 and 2n flowing water segment even-numbered warehouse arch walls.
After the step S6 is carried out until the inverted arch is closed, the customized inverted arch template, the self-propelled gantry crane, the electric flat car and the gantry type arch wall template trolley used for one-end construction used at the two ends of the tunnel are withdrawn from one side of the tunnel, and the gantry type arch wall template trolley used at the other side is withdrawn from the tunnel after the rest of the arch wall is constructed.
Generally, compared with the prior art, the technical scheme of the invention can achieve the following beneficial effects:
1. the construction method is suitable for the second lining construction of the small-section tunnel, the tunnel with a small section and more curve sections is constructed with the inverted arch firstly and the arch wall secondly, the rails are arranged on the formed inverted arch to provide the passing condition for the subsequent arch wall construction, compared with the traditional needle beam type template trolley, the construction space is larger, the construction operation is more convenient, the construction operation surface has the personnel and material passing condition, the construction section is longer, the arch wall can realize the synchronous construction of a plurality of jumping cabins, and the construction efficiency is greatly improved;
2. the working surface of the rapid construction method is unfolded, flow line operation can be realized, the whole second lining construction is divided into three parts to be carried out, the reinforcement bar binding, the inverted arch construction and the arch wall construction are respectively carried out, the construction types can be reasonably distributed, the longitudinal space of the tunnel is maximally utilized, manpower is saved, construction equipment is complete, the mechanization degree is high, the labor intensity of workers is greatly reduced, and the construction efficiency is higher and safer.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:
FIG. 1 is a schematic diagram of various apparatus in an embodiment of the invention;
FIG. 2 is a schematic view of classified stacking of reinforcing bars according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of inverted arch template transport in an embodiment of the invention;
FIG. 4 is a schematic view of the construction of an inverted arch and an odd number of arch walls in the embodiment of the invention;
FIG. 5 is a schematic view of the construction of inverted arch and even number of arch walls in flow construction according to an embodiment of the present invention;
in the figure: the system comprises a steel bar transport vehicle 1, a wheel type dumper 2, a customized inverted arch formwork 3, a self-propelled gantry crane 4, an electric flat car 5, a door type arch wall formwork trolley 6, a concrete pump truck 7, a water flowing section 8-2 n-1, a water flowing section 9-2 n, a water flowing section 10-2 n +1 and a water flowing section 11-2 n + 2.
Detailed Description
As shown in fig. 1, the schematic diagram of each device in the rapid construction method for the secondary lining of the small-section tunnel of the present invention includes a steel bar transport vehicle 1, a wheel-type dump truck 2, a customized inverted arch form 3, a self-propelled gantry crane traveling crane 4, an electric flat car 5, a gantry type arch wall form trolley 6, and a concrete pump truck 7.
Reinforcing bar transport vechicle 1 comprises transportation flat board, power locomotive and walking wheel, and the shape and the single volume of transportation according to two lining reinforcing bars of required transportation set up the fender structure on the transportation flat board, guarantee the reinforcing bar classification stack and the stability in the transportation, and the hole leads to the back, and the reinforcing bar is put to reinforcing bar transport vechicle 1 by the well hoist, transports by it to the hole in near clearance completion region.
The wheel type dump truck 2 is used for unloading the reinforcing steel bars in the holes, the upper structure of the wheel type dump truck is a portal crane, the lower part of the wheel type dump truck is provided with an angle-adjustable rubber wheel, the wheel type dump truck can adapt to walking on structural planes with different radians, and after the reinforcing steel bars are conveyed to the storage position by the reinforcing steel bar transport truck 1, the reinforcing steel bars are lifted, transferred and placed by the wheel type dump truck 2, so that the reinforcing steel bars are stacked according to the use sequence.
The customized inverted arch template 3 is an integral steel template matched with the shape of the two-lining inverted arch, two tracks are arranged on the annular rib of the template along the tunnel direction, and two adjacent templates are butted by flanges.
Self-propelled gantry crane driving 4, electronic flatbed 5 and customization invert template 3 are as its walking platform, mainly used customization invert template 3 tear open the mould, hoist and mount, transport and install, and self-propelled gantry crane driving 4 and electronic flatbed 5 lower part are provided with the walking wheel, and the track phase-match that sets up on walking wheel model and gauge and the customization invert template 3.
The gate-type arch wall template trolley 6 is composed of a frame system and a template system, the frame system is of a gate-type structure, walking wheels are arranged at the bottom of the frame system, the walking wheels are connected with the frame system through vertical oil cylinders, the vertical oil cylinders can achieve overall lifting of the trolley, the template system is integrally sleeved on the periphery of the frame system and consists of a top die and a side die, hinged nodes are arranged between the top die and the side die, the template system is connected with the frame system through hydraulic oil cylinders, and supporting and folding actions of the template system are achieved.
A quick construction method for a secondary lining of a small-section tunnel is characterized by comprising the following steps: the construction method comprises the following steps:
the method comprises the following steps: after a tunnel is opened, carrying out outward transportation and tunnel cleaning of a tunneling facility, meanwhile, transporting reinforcing steel bars into the tunnel by using a reinforcing steel bar transport vehicle 1 according to working sections divided in advance, and unloading the reinforcing steel bars on the reinforcing steel bar transport vehicle 1 to each construction section of the tunnel in a segmented manner by using a wheel type dump truck 2;
step two: sequentially binding reinforcing steel bars from two ends to the middle of the tunnel portal, completing the whole-ring one-time installation of the reinforcing steel bars, wherein the installation progress of the reinforcing steel bars at least leads the inverted arch construction by one flow beat;
step three: the installation can supply the current track of self-propelled gantry crane driving 4 and electronic flatbed 5 in tunnel entrance to a cave, with 4 handling of self-propelled gantry crane driving to the track, but rotatory to current self-propelled gantry crane driving 4 and transport to the front end from the rear end with customization inverted arch template 3 through self-propelled gantry crane driving 4. After the reinforcing bar of first construction section is accomplished in the installation, hang first piece customization invert template 3 and put in entrance to a cave department, make on the customization invert template 3 prefabricated track meet with entrance to a cave outer rail parallel and level, accomplish the location of first piece customization invert template 3, handling customization invert template 3 connects with the customization invert template 3 that has installed before in proper order, guarantee 3 rail parallel and level of all customization invert templates, make all customization invert templates 3 that have installed form a whole invert steel mould. And after the installation of all the customized inverted arch templates 3 of the first construction section is finished, performing concrete construction, and after the concrete reaches the strength, transferring all the customized inverted arch templates 3 of the first section to the second section for installation and performing concrete construction.
Step four: after the second construction section inverted arch concrete reaches the strength, all customized inverted arch templates 3 are transferred to a third section in the same way, meanwhile, tracks are installed on inverted arches of the first and second sections which are finished, a door type arch wall template trolley 6 can walk, the door type arch wall template trolley 6 is respectively used for constructing odd number warehouse formwork supporting in the first and second section arch walls to be in place, a concrete pump trolley 7 is stopped to be close to the tail part of the first door type arch wall template trolley 6 at the opening end, the inverted arches are poured firstly during pouring, and then the arch walls are poured from far to near.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A quick construction method for a secondary lining of a small-section tunnel is characterized by comprising the following steps: the equipment applied by the construction method comprises a steel bar transport vehicle (1), a wheel type dump truck (2), a customized inverted arch template (3), a self-propelled gantry crane traveling crane (4), an electric flat car (5), a gantry type arch wall template trolley (6) and a concrete pump truck (7);
the reinforcing steel bar transport vehicle (1) consists of a transport flat plate, a power vehicle head and traveling wheels, a supporting and blocking structure is arranged on the transport flat plate according to the shape of two lining reinforcing steel bars to be transported and the single transportation amount, so that the classified stacking of the reinforcing steel bars and the stability in the transportation process are ensured, and after the hole is opened, the reinforcing steel bars are hoisted to the reinforcing steel bar transport vehicle (1) through a working well and transported to the hole to be close to a cleaning completion area;
the wheel type dump truck (2) is used for unloading reinforcing steel bars in a hole, the upper part of the wheel type dump truck (2) is of a portal crane structure, the lower part of the wheel type dump truck is provided with an angle-adjustable rubber wheel, the wheel type dump truck can adapt to walking on structural surfaces with different radians, and after the reinforcing steel bars are conveyed to a storage position by the reinforcing steel bar transport truck (1), the reinforcing steel bars are lifted, transferred and placed by the wheel type dump truck (2), so that the reinforcing steel bars are stacked according to the use sequence;
the customized inverted arch template (3) is an integral steel template matched with the shape of the two lining inverted arches, two tracks are arranged on the annular ribs of the template along the tunnel direction, and two adjacent templates are butted by flanges;
the self-propelled gantry crane travelling crane (4), the electric flat car (5) and the customized inverted arch template (3) are used as travelling platforms of the self-propelled gantry crane travelling crane, the customized inverted arch template (3) is mainly used for removing, hoisting, transferring and installing the customized inverted arch template (3), travelling wheels are arranged at the lower parts of the self-propelled gantry crane travelling crane (4) and the electric flat car (5), and the types and the track pitches of the travelling wheels are matched with tracks arranged on the customized inverted arch template (3);
the portal arch wall template trolley (6) consists of a frame system and a template system, wherein the frame system is of a portal structure, the bottom of the frame system is provided with travelling wheels, the travelling wheels are connected with the frame system through vertical oil cylinders, the vertical oil cylinders can realize the integral lifting of the trolley, the template system is integrally sleeved on the periphery of the frame system and consists of a top mold and a side mold, hinged nodes are arranged between the top mold and the side mold, and the template system is connected with the frame system through hydraulic oil cylinders to realize the supporting and retracting actions of the template system;
concrete pump truck (7) mainly used is with the concrete by the tank car pump sending to pouring the point, and its appearance size needs design according to the tunnel section size, in the construction, needs along with the antedisplacement synchronous motion of working face, is located all the time and is close to the first platform gate-type arch wall platform truck afterbody of entrance end, and its pumping distance is no less than 4 flowing water segments, pours the inverted arch earlier during pouring, pours the arch wall afterwards, all pours from far to near.
2. The rapid construction method for the secondary lining of the small-section tunnel according to claim 1, characterized in that: the portal type arch wall formwork trolley (6) is suitable for curve tunnels and is formed into a set by multiple sections, the sections are hinged to one another and have plane rotation capacity, and after the formwork is erected in place, the formwork trolley is fixed by lateral screw rods and bears loads generated by concrete pouring.
3. The rapid construction method for the secondary lining of the small-section tunnel according to claim 1, characterized in that: the construction method comprises the following steps:
s1: after the tunnel is opened, cleaning the tunnel and conveying the reinforcing steel bars into the tunnel;
s2: sequentially constructing the reinforcing steel bars from two ends to the middle, and integrally binding and forming at one time;
s3: completing inverted arch construction of the first two flowing water segments;
s4: constructing a third section of inverted arch and odd bins of the first and second sections of arch walls at the same time, and constructing a fourth section of inverted arch and even bins of the first and second sections of arch walls after the construction is finished;
s5: constructing inverted arches and arch walls from two ends to the middle in sequence by the method of the step S4;
s6: after the inverted arch of the middle section of the tunnel is closed, the equipment of one working face is withdrawn, the equipment construction of one working face is left, the residual arch wall is completed, the tunnel is withdrawn, and the second lining construction is completed.
4. The rapid construction method for the secondary lining of the small-section tunnel according to claim 1, characterized in that: and S1, the reinforcing steel bars are transported into the holes by the reinforcing steel bar transport vehicle (1), the reinforcing steel bars on the reinforcing steel bar transport vehicle (1) are unloaded to each construction section of the tunnel in a segmenting mode by the wheel type dump truck (2), and when the reinforcing steel bars are stacked, the reinforcing steel bars of the former die are stacked to the position of the latter die, a reinforcing steel bar working surface is reserved, and the conveying distance of the reinforcing steel bars is reduced.
5. The rapid construction method for the secondary lining of the small-section tunnel according to claim 1, characterized in that: and in the step S2, the reinforcing steel bars are constructed from the two ends to the middle part of the tunnel in sequence, the whole ring of the reinforcing steel bars is installed at one time, and the installation progress of the reinforcing steel bars is at least one flow beat ahead of the inverted arch construction.
6. The rapid construction method for the secondary lining of the small-section tunnel according to claim 1, characterized in that: in the step S3, two self-propelled gantry crane traveling cranes (4) and one electric flat car (5) are arranged on a single working face, and the specific operation is as follows: the method comprises the steps of hoisting a customized inverted arch template (3) by a self-propelled gantry crane (4), rotating by 90 degrees until the long edge of the template is parallel to the longitudinal beam of the self-propelled gantry crane (4) and then passes through the crane, rotating to be perpendicular to the longitudinal beam and placing on an electric flat car (5), transporting to a position to be supported by the electric flat car (5), then transporting and installing the customized inverted arch template (3) on a first-section second-lining construction section which is finished with reinforcement through another self-propelled gantry crane (4), wherein the transporting mode is the same as the mode, pouring concrete after installation is finished, pouring from far to near, demolding the customized inverted arch template (3) after curing reaches the strength, transporting to a second-section second-lining construction section which is finished with reinforcement in the same method and installing, and pouring concrete.
7. The rapid construction method for the secondary lining of the small-section tunnel according to claim 1, characterized in that: step S4, after the second section of inverted arch construction is finished, the customized inverted arch template (3) is transported to the third section of second-lining construction section, meanwhile, the door type arch wall template trolley (6) is transported to the area where the first section and the second section in the tunnel are finished with second-lining inverted arches, the length of each section of inverted arch is equally divided into n bins, the length of each bin is the same as that of a single door type arch wall template trolley (6), the 1 st, 3 st and 5 … … 2n-1 st bins are erected for the first time during arch wall construction, after the erecting is finished, the inverted arch of the third section and the concrete of the arch wall with odd number bins are simultaneously poured, after the construction is finished, the customized inverted arch template (3) is transported to the fourth section of second-lining construction section by adopting the same method, meanwhile, the 1 st bin of the door type arch wall template trolley (6), namely the 2 nd, 4 th and 6 … … 2n bins are moved forward, after the erecting is finished, the concrete of the arch wall with the fourth section and the even number bins is poured simultaneously, and when the inverted arch, and (5) pouring the arch wall from far to near.
8. The rapid construction method for a secondary lining of a small tunnel according to claim 1, wherein the secondary lining is constructed in the step S5 in the sequence of ① 2n +1 water flowing segment inverted arch, 2n-1 and 2n water flowing segment odd-numbered arch walls, ② 2n +2 water flowing segment inverted arch, 2n-1 and 2n water flowing segment even-numbered arch walls.
9. The rapid construction method for the secondary lining of the small-section tunnel according to claim 1, characterized in that: and S6, after the inverted arch closure is carried out, the customized inverted arch template (3), the self-propelled gantry crane trolley (4), the electric flat car (5) and the portal type arch wall template trolley (6) for one-end construction used at two ends of the tunnel are withdrawn from one side of the tunnel, and the portal type arch wall template trolley (6) at the other side is withdrawn from the tunnel after the construction of the residual arch wall is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010019000.1A CN111188633B (en) | 2020-01-08 | 2020-01-08 | Rapid construction method for secondary lining of small-section tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010019000.1A CN111188633B (en) | 2020-01-08 | 2020-01-08 | Rapid construction method for secondary lining of small-section tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111188633A true CN111188633A (en) | 2020-05-22 |
| CN111188633B CN111188633B (en) | 2021-04-20 |
Family
ID=70706143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010019000.1A Active CN111188633B (en) | 2020-01-08 | 2020-01-08 | Rapid construction method for secondary lining of small-section tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111188633B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294175A (en) * | 2021-06-03 | 2021-08-24 | 中国建筑股份有限公司 | Construction method of tunnel secondary lining structure and tunnel secondary lining structure |
| WO2022193200A1 (en) * | 2021-03-18 | 2022-09-22 | 中建三局基础设施建设投资有限公司 | Rapid construction method for secondary lining of small-section tunnel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004100336A (en) * | 2002-09-11 | 2004-04-02 | Honmagumi:Kk | Reinforcement arranging apparatus |
| CN105863686A (en) * | 2016-04-27 | 2016-08-17 | 福州市尊品建设工程有限公司 | Invert formwork hosting traveling trolley |
| CN105952482A (en) * | 2016-07-19 | 2016-09-21 | 重庆工商职业学院 | Self-propelled tunnel invert lining trolley |
| CN107100631A (en) * | 2017-05-12 | 2017-08-29 | 西南交通大学 | Pass through the construction method of active fault Tunnel Second Lining |
| CN110080806A (en) * | 2019-05-05 | 2019-08-02 | 中交第三航务工程局有限公司 | A kind of construction technology of tunnel trunk secondary lining |
-
2020
- 2020-01-08 CN CN202010019000.1A patent/CN111188633B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004100336A (en) * | 2002-09-11 | 2004-04-02 | Honmagumi:Kk | Reinforcement arranging apparatus |
| CN105863686A (en) * | 2016-04-27 | 2016-08-17 | 福州市尊品建设工程有限公司 | Invert formwork hosting traveling trolley |
| CN105952482A (en) * | 2016-07-19 | 2016-09-21 | 重庆工商职业学院 | Self-propelled tunnel invert lining trolley |
| CN107100631A (en) * | 2017-05-12 | 2017-08-29 | 西南交通大学 | Pass through the construction method of active fault Tunnel Second Lining |
| CN110080806A (en) * | 2019-05-05 | 2019-08-02 | 中交第三航务工程局有限公司 | A kind of construction technology of tunnel trunk secondary lining |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193200A1 (en) * | 2021-03-18 | 2022-09-22 | 中建三局基础设施建设投资有限公司 | Rapid construction method for secondary lining of small-section tunnel |
| CN113294175A (en) * | 2021-06-03 | 2021-08-24 | 中国建筑股份有限公司 | Construction method of tunnel secondary lining structure and tunnel secondary lining structure |
| CN113294175B (en) * | 2021-06-03 | 2023-12-29 | 中国建筑股份有限公司 | Construction method of tunnel secondary lining structure and tunnel secondary lining structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111188633B (en) | 2021-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109538238B (en) | Tunnel arch prefabricated segment construction device and control method | |
| CN111852521B (en) | Mouth-shaped piece assembling trolley for construction of internal structure of large-section shield tunnel and synchronous construction method | |
| CN111188633B (en) | Rapid construction method for secondary lining of small-section tunnel | |
| CN110273695B (en) | Tunnel secondary lining template trolley and stage type mould closing pouring method thereof | |
| CN109653105A (en) | Box girder bridge cantilever construction main truss cradle system and its application method | |
| CN205618174U (en) | Box culvert platform truck | |
| CN211397597U (en) | Template trolley and tunnel construction vehicle set | |
| CN109355983B (en) | Trackless construction method for urban rail | |
| CN208415013U (en) | track fast dismounting device | |
| WO2022193200A1 (en) | Rapid construction method for secondary lining of small-section tunnel | |
| CN210564557U (en) | Tunnel secondary lining form trolley | |
| CN214738076U (en) | Ship lock chamber wall concrete pouring construction device | |
| CN112761157B (en) | Ship lock chamber wall concrete pouring construction device and construction method | |
| CN214883863U (en) | Template system is pour to utility tunnel | |
| CN215594110U (en) | Formula of walking piping lane lining cutting system | |
| CN211549715U (en) | Full-circle double-lining inverted arch construction template system for long-distance tunnel | |
| CN212291909U (en) | A snatch handling device for concrete prefabricated component | |
| CN210439082U (en) | Complicated district magnetic levitation track section laying system | |
| CN207108292U (en) | Novel U-shaped erection equipment | |
| CN205977238U (en) | Small cross section's flexible formworking jumbo is walked to tunnel section of widening platform truck | |
| CN212581374U (en) | TBM tunnel prefabrication is faced upward and is encircleed piece delivery and assemble equipment | |
| CN212049257U (en) | Bridge deck reinforcing bar conveyer | |
| CN213144480U (en) | Telescopic tunnel widening section construction trolley | |
| CN217440094U (en) | Material transportation system during synchronous construction of TBM tunnelling and inverted arch pouring | |
| CN219545913U (en) | Box girder prefabricated field steel bar conveying device |
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 |