CN113833494A - Construction template for tunnel - Google Patents
Construction template for tunnel Download PDFInfo
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- CN113833494A CN113833494A CN202111159182.3A CN202111159182A CN113833494A CN 113833494 A CN113833494 A CN 113833494A CN 202111159182 A CN202111159182 A CN 202111159182A CN 113833494 A CN113833494 A CN 113833494A
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- 238000010276 construction Methods 0.000 title claims abstract description 115
- 238000009415 formwork Methods 0.000 claims abstract description 114
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000008093 supporting effect Effects 0.000 abstract description 30
- 238000000034 method Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
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- 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
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The application provides a construction template for a tunnel, which comprises an inner template arranged in the construction tunnel, wherein the inner template comprises a sliding system, and the inner template slides to a preset position in the construction tunnel through the sliding system; the sliding system can directly slide the inner formwork to a preset construction position in the tunnel, the outer formwork is placed to the preset construction position outside the tunnel, the inner formwork and the outer formwork are separated from a poured concrete surface through the first adjusting and supporting system and the second adjusting and supporting system respectively, the next section of construction is continued, the site fabrication is not needed, the finished product effect is good, and the turnover utilization frequency is high; the method can be applied to similar structures in open cut power tunnel engineering, urban comprehensive pipe gallery engineering, industrial and civil building engineering, greatly improves the construction efficiency and saves the construction cost.
Description
Technical Field
The application relates to the field of machinery for tunnel construction, in particular to a construction template for a tunnel.
Background
With the development of economy in China and the large-scale construction of transmission cables, the power cables are widely applied to power systems as the main power supply mode of urban power transmission networks at present. The construction of cable tunnel also seems very important, electric power tunnel is great to the demand of template in the construction process, need use plank sheathing or polymer template to carry out the on-the-spot concatenation in the work progress at present, construction after the concatenation is accomplished, dismantle plank sheathing again after the construction is accomplished and carry out the construction next time, although the space that the plank sheathing occupy when the construction at every turn was spliced to the plank sheathing, nevertheless all need the concatenation to build the plank sheathing before the construction at every turn and construct again, it is time consuming and energy consuming, the efficiency of engineering construction has been reduced.
Disclosure of Invention
In view of this, the application provides a construction template for tunnel, has solved among the prior art and has used the plank sheathing to splice occupation time, and can not remove the template at any time, leads to the technical problem that the efficiency of construction is low.
According to an aspect of the present application, a construction form for a tunnel includes: the inner formwork comprises a sliding system, and the inner formwork slides to a preset position in the construction tunnel through the sliding system; the outer template is arranged outside the construction tunnel; and the inner template is connected with the outer template through the connecting piece.
In one possible implementation, the sliding system includes: the sliding rail is arranged in the construction tunnel; and the sliding mechanism is fixed on the inner template and is in sliding connection with the sliding rail.
In one possible implementation, the inner template further includes: the first template system is fixedly connected with the first template system, the first adjusting and supporting system is used for adjusting the height of the first template system, and the first base is fixed at the bottom of the first template system; wherein, slide mechanism fixed connection is in on the first base.
In one possible implementation, the sliding mechanism includes: the universal wheel is fixedly connected to the first base, and slides to a preset position in the construction tunnel along the sliding rail.
In one possible implementation, the first adjustment support system includes: at least one first support tube, one end of said first support tube being fixed to said first formwork system; a second support tube arranged perpendicular to the first support tube, the second support tube being fixed to the other end of the first support tube; the first support tube and the first template system are adjusted up and down relative to the second support tube.
In one possible implementation, the first template system includes: the template comprises a first template, a plurality of first back ridges arranged in the transverse direction of the first template, and a plurality of second back ridges arranged at equal intervals in the longitudinal direction of the first template, wherein the extending direction of the first back ridges is parallel to the longitudinal direction of the first template; wherein the first base is fixed on the second back ridge.
In a possible implementation manner, the plurality of first back ridges are arranged in parallel at equal intervals along the transverse direction of the first template, and the plurality of second back ridges are arranged in parallel at equal intervals along the longitudinal direction of the first template.
In one possible implementation, the outer template includes: a second template system, a second adjusting and supporting system, wherein the second adjusting and supporting system is fixedly connected with the second template system and is used for adjusting the height of the second template system, and
and the second base is fixed at the bottom of the second template system.
In one possible implementation, the second adjustment support system includes: at least one third support tube, one end of the third support tube being fixed to the second formwork system; a fourth supporting pipe which is arranged perpendicular to the third supporting pipe, wherein the fourth supporting pipe is fixed at the other end of the third supporting pipe; the third support tube and the second template system are adjusted up and down relative to a fourth support tube.
In one possible implementation, the second template system includes: the second template is provided with a plurality of third back ridges which are arranged in the transverse direction of the second template, the extending direction of the third back ridges is parallel to the transverse direction of the second template, and two adjacent third back ridges are arranged in parallel at equal intervals along the transverse direction of the second template;
the second template comprises a plurality of second back ridges which are arranged in the longitudinal direction of the second template, the extending direction of the second back ridges is parallel to the longitudinal direction of the second template, and every two adjacent second back ridges are arranged in parallel at equal intervals along the longitudinal direction of the second template.
The application provides a pair of construction template for tunnel sets up the slide mechanism with slide rail sliding connection through the bottom of inner formword, during the construction, directly with the inner formword along the slide rail send to the construction area in can, after the construction was accomplished, also can directly send the inner formword to next construction area along the slide rail, need not on-the-spot concatenation, can improve the efficiency of construction greatly.
Drawings
Fig. 1 is a sectional view illustrating a construction form for a tunnel according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of an inner formwork of a construction formwork for a tunnel according to an embodiment of the present application;
fig. 3 is a side view of an inner form of a construction form for a tunnel according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of an outer formwork of a construction formwork for a tunnel according to an embodiment of the present application;
fig. 5 is a side view of an outer form of a construction form for a tunnel according to an embodiment of the present application.
Description of reference numerals:
1-inner template; 11-a first template system; 12-a first template; 13-a first back ridge; 14-a second back ridge; 15-a first base; 16-a first adjustable support system; 161-a first support tube; 162-a second support tube;
2-external template; 21-a second template system; 22-a second template; 23-a third back ridge; 24-a fourth dorsal bar; 25-a second base; 26-a second adjustable support system; 261-a third support tube; 262-a fourth support tube;
3-a sliding system; 31-a sliding mechanism; 311-universal wheels; 32-a slide rail;
4-connecting piece.
Detailed Description
In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. All directional indicators in the embodiments of the present application (such as upper, lower, left, right, front, rear, top, bottom … …) are only used to explain the relative positional relationship between the components, the movement, etc. in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a sectional view illustrating a construction form for a tunnel according to an embodiment of the present invention, and as shown in fig. 1, the construction form for a tunnel includes: the inner formwork 1 is arranged in the construction tunnel, the inner formwork 1 comprises a sliding system 3, and the inner formwork 1 slides to a preset position in the construction tunnel through the sliding system 3; an outer formwork 2 arranged outside the construction tunnel; and the connecting piece 4 is used for connecting the inner template 1 and the outer template 2 through the connecting piece 4.
The construction template for the tunnel is provided with the sliding system 3, the sliding system 3 is arranged at the bottom of the inner template 1 positioned in the construction tunnel, the inner template 1 slides to a preset position in the construction tunnel from a non-construction area position through the sliding system 3, the outer template 2 is placed outside the construction tunnel through a crane, the inner template 1 and the outer template 2 are placed in parallel, the space between the inner template 1 and the outer template 2 is a concrete construction area, the inner template 1 and the outer template 2 only need to be leveled and calibrated by means of a professional measuring instrument, the inner template 1 and the outer template 2 can be constructed after leveling and calibration through fixed connection of the connecting piece 4, the templates do not need to be assembled before construction, construction is simple, and operation is easy.
The construction method for the tunnel by adopting the construction template for the tunnel comprises the following steps:
s1, determining template parameters according to the tunnel section;
s2, placing the inner template 1 at a specified position in the tunnel according to the poured tunnel bottom plate, and placing the outer template 2 at the outer side of the tunnel by using a crane;
s3, aligning the inner template 1 and the outer template 2 by using a measuring instrument, and fixedly connecting the inner template 1 and the outer template 2 through the connecting piece 4 after leveling;
s4, pouring concrete in the gap between the inner formwork 1 and the outer formwork 2, and curing according to the specified time;
s5, after the pouring is finished, separating the inner formwork 1 and the outer formwork 2 from the concrete by utilizing the lifting of the adjusting and supporting systems of the inner formwork 1 and the outer formwork 2;
and S6, cleaning the surfaces of the inner formwork 1 and the outer formwork 2, and preparing for the next construction section.
In a possible implementation mode, the connecting piece 4 is a split bolt and is used for connecting the inner formwork 1 and the outer formwork 2, so that the inner formwork 1 and the outer formwork 2 still keep the distance under the pressure action of concrete pouring, and construction is facilitated.
In one possible implementation, as shown in fig. 1, the sliding system 3 comprises: the slide rails 32 are arranged in the construction tunnel; and the sliding mechanism 31, the sliding mechanism 31 is fixed on the inner template 1, and the sliding mechanism 31 is connected with the slide rail 32 in a sliding way.
The sliding system 3 comprises a sliding rail 32 and a sliding mechanism 31, wherein the sliding rail 32 is arranged on a cast tunnel floor, the sliding rail 32 is positioned in a construction tunnel, the extending direction of the sliding rail 32 is consistent with the extending direction of the tunnel, the sliding rail 32 is in sliding connection with the sliding mechanism 31, the sliding mechanism 31 is fixed on an inner formwork 1, when a construction area needs to be constructed, the sliding mechanism 31 slides along the sliding rail 32, the inner formwork 1 and an outer formwork 2 slide to a preset position in the construction tunnel for construction, after the construction is finished, the sliding mechanism 31 slides to the next preset position in the construction tunnel along the sliding rail 32 for construction, when the construction position is changed, the inner formwork 1 and the outer formwork 2 do not need to be detached and spliced on site, and the construction efficiency is greatly improved.
In one possible implementation, the sliding mechanism 31 includes: universal wheel 311, universal wheel 311 fixed connection is on first base 15, when needs are under construction to the construction region, and the universal wheel 311 slides to the predetermined position in the construction tunnel along slide rail 32, and the back is accomplished in the construction, and the universal wheel 311 slides to next predetermined construction position along slide rail 32 again, need not dismantle and splice once more inner formword 1 and exterior sheathing 2 again, has saved the time of dismantling and splicing once more.
Specifically, universal wheel 311 includes the gyro wheel, gyro wheel support and brake mechanism, the gyro wheel is roll-mounted on the gyro wheel support, the top of gyro wheel support is provided with a frame foundation, it is fixed with brake mechanism, brake mechanism includes adjusting bolt, when needs adjust the braking force, adjust adjusting bolt's the position of closing soon, thereby reach the effect of adjustment braking force, it can adjust the braking force to have guaranteed universal wheel 311 under the effect of heavy load, in the work progress, directly place the universal wheel 311 of inner formword 1 and remove on the slide rail 32 of the regional inboard that needs to be watered, can realize the used repeatedly of inner formword 1 in the tunnel, need not to assemble, the turnover utilization number of times is high, save the time of assembling, also avoided because assemble the inaccurate problem of calibration that causes, further improved the efficiency of construction.
Fig. 2 is a schematic structural diagram of an inner formwork of a construction formwork for a tunnel according to an embodiment of the present application, and as shown in fig. 2, the inner formwork 1 further includes: the template system comprises a first template system 11, a first adjusting and supporting system 16, wherein the first adjusting and supporting system 16 is fixedly connected with the first template system 11, the first adjusting and supporting system 16 is used for adjusting the height of the first template system 11, and a first base 15, and the first base 15 is fixed at the bottom of the first template system 11; wherein, the sliding mechanism 31 is fixedly connected to the first base 15.
The first adjusting and supporting system 16 of the invention is used for adjusting the ascending or descending of the first template 11, when the sliding mechanism 31 moves from the non-construction area in the tunnel to the designated position for constructing the construction tunnel through the sliding rail 32, at this time, the inner template 1 also reaches the designated position for constructing the tunnel, the casting work of concrete can be carried out, after the concrete is cast and maintained to reach the form removal strength required by the corresponding regulation and specification after the concrete is poured, the first template system 11 is separated from the cast concrete surface through the first adjusting and supporting system 16 for preparing the next construction section for use, then the first template system 11 moves to the designated position for the next section of construction from the designated position for the construction in the tunnel through the sliding mechanism 31 along the sliding rail 32, and the construction is carried out after the height is adjusted through the first adjusting and supporting system 16.
In one possible implementation, as shown in fig. 2, the first template system 11 includes: a first template 12, a plurality of first back ridges 13 arranged in a transverse direction of the first template 12, an extending direction of the first back ridges 13 being parallel to the transverse direction of the first template 12, and a plurality of second back ridges 14 arranged in a longitudinal direction of the first template 12, an extending direction of the second back ridges 14 being parallel to the longitudinal direction of the first template 12; wherein the first base 15 is fixed on the second back ridge 14.
The first formwork 12 is provided with a plurality of first back ridges 13 and a plurality of second back ridges 14 in a transverse direction and a longitudinal direction in a crossed mode, the first back ridges 13 and the second back ridges 14 can be fixed on the first formwork 12 in a welded mode or a bolt fixing mode, the extending direction of the first back ridges 13 is parallel to the transverse direction of the first formwork 12, the extending direction of the second back ridges 14 is parallel to the longitudinal direction of the first formwork 12, the length of the first formwork 12 is longer and ranges from 20 meters to 40 meters, and the bottom of the second back ridges 14 in the longitudinal direction is fixed on a first base 15 in order to guarantee the flatness of the first formwork 12 and the strength of the first formwork 12 in the construction process.
In a possible implementation, the plurality of first back ridges 13 are arranged in parallel at equal intervals in the transverse direction of the first template 12, and the plurality of second back ridges 14 are arranged in parallel at equal intervals in the longitudinal direction of the first template 12.
In the construction process of the electric power tunnel, in order to improve the strength of the first formwork 12, a plurality of first back ridges 13 and second back ridges 14 are respectively arranged in parallel at equal intervals in the transverse direction and the longitudinal direction of the outer surface of one side of the first formwork 12, and the parallel arrangement at equal intervals has the advantages that the influence of external force on the first formwork 12 in the concrete pouring process is improved, and the first formwork 12 can bear the same external force action in unit area.
In a possible implementation manner, the vertical distance between two adjacent first back ridges 13 is 2-5 meters, and the vertical distance between two adjacent second back ridges 14 is 2-5 meters.
In a possible implementation, the vertical distance between two adjacent first back ridges 13 is 3 meters, and the vertical distance between two adjacent second back ridges 14 is 3 meters.
In order to avoid a series of problems caused by splicing of a plurality of template systems, the first template 12 is designed into a whole steel template, in order to improve the uniform stress of the steel template in the construction process, the vertical distance between two adjacent first back ridges 13 is set to be 2-5 meters, optionally, the vertical distance between two adjacent first back ridges 13 is set to be 3 meters, and similarly, the vertical distance between two adjacent second back ridges 14 is set to be 2-5 meters, optionally, the vertical distance between two adjacent second back ridges 14 is set to be 3 meters.
It should be understood that the present application does not limit the specific number of the first back ridges 13 and the second back ridges 14 as long as the first back ridges 13 and the second back ridges 14 can be fixed in parallel on a steel formwork at equal intervals, and the specific number of the first back ridges 13 and the second back ridges 14 can be determined according to the size of the specific formwork.
Fig. 3 is a schematic side view illustrating an inner formwork of a construction formwork for a tunnel according to an embodiment of the present invention, and as shown in fig. 3, the first adjusting support system 16 includes: at least one first support tube 161, one end of the first support tube 161 being fixed to the first template system 11; a second support pipe 162 disposed perpendicular to the first support pipe 161, the second support pipe 162 being fixed to the other end of the first support pipe 161;
the first support tube 161 and the first formwork system 11 of the present invention move up and down with the rise or fall of the second support tube 162, the first adjusting support system 16 is used to adjust the position of the first formwork 12, the first support tube 161 arranged horizontally and the second support tube 162 arranged longitudinally form the first adjusting support system 16 used to support the first formwork 12, one end of the first support tube 161 arranged horizontally is fixedly connected with the first formwork 12, the other end is arranged vertically with the second support tube 162, the second support tube 162 is provided with an adjusting device for facilitating the up and down movement of the second support tube 162, for facilitating the up and down adjustment of the second support tube 162, the second support tube 162 is provided with an adjusting rod, the diameter of the second support tube 162 is larger than that of the adjusting rod, the second support tube 162 can move up and down, the second support tube 162 and the adjusting rod are respectively provided with through holes, the bolt is convenient to fix the position.
Fig. 4 is a schematic structural diagram of an outer formwork of a construction formwork for a tunnel according to an embodiment of the present application, and as shown in fig. 4, the outer formwork 20 includes: the second template system 21, the second adjusting and supporting system 26 is fixedly connected with the second template system 21, the second adjusting and supporting system 26 is used for adjusting the height of the second template system 21, and the second base 25 is fixed at the bottom of the second template system 21.
The outer formwork 2 of the invention comprises a second formwork system 21, a second adjusting and supporting system 26 and a second base 25, the outer formwork 2 is arranged at the outer side of a concrete structure to be cast, namely the outer side of a construction tunnel, when concrete is required to be cast, the second formwork system 21 is fixed on the second adjusting and supporting system 26, the inner formwork 1 and the outer formwork 2 are fixed through the connecting piece 4, then the concrete is cast under the supporting action of the second adjusting and supporting system 26, and the second adjusting and supporting system 26 ensures that the relative position of the concrete cast is not deviated, thereby having the function of calibration.
In one possible implementation, the second template system 21 includes: a second form 22, a plurality of third back ridges 23 arranged in a transverse direction of the second form 22, the third back ridges 23 extending in a direction parallel to the transverse direction of the first form 12, and a plurality of fourth back ridges 24 arranged in a longitudinal direction of the second form 22, the fourth back ridges 24 extending in a direction parallel to the longitudinal direction of the second form 22.
In order to improve the strength of the second formwork 22, a plurality of third back ridges 23 and fourth back ridges 24 are respectively arranged in parallel at equal intervals in the transverse direction and the longitudinal direction of the outer surface of one side of the second formwork 22, and the advantage of the parallel arrangement at equal intervals is that the influence of external force on the second formwork 22 in the concrete pouring process is improved, and the second formwork 22 can bear the same external force action in unit area.
In a possible implementation, the vertical distance between two adjacent third back ridges 23 is 2-5 meters, and the vertical distance between two adjacent fourth back ridges 24 is 2-5 meters.
In a possible implementation, the vertical distance between two adjacent third back ridges 23 is 3 meters, and the vertical distance between two adjacent fourth back ridges 24 is 3 meters.
Optionally, in order to avoid a series of problems caused by splicing of a plurality of formwork systems, in the application, the second formwork 22 is designed to be a whole steel formwork, the length of the second formwork 22 is equal to that of the first formwork 12, in order to improve the uniformity of stress of the steel formwork in the construction process, the vertical distance between two adjacent third back ridges 23 is set to be 2-5 meters, optionally, the vertical distance between two adjacent third back ridges 23 is set to be 3 meters, the vertical distance between two adjacent fourth back ridges 24 is set to be 2-5 meters, and optionally, the vertical distance between two adjacent fourth back ridges 24 is set to be 3 meters.
It should be understood that the present application does not limit the specific number of the third back ridges 23 and the fourth back ridges 24, as long as the third back ridges 23 and the fourth back ridges 24 can be fixed in parallel on a steel formwork at equal intervals, and the specific number of the third back ridges 23 and the fourth back ridges 24 can be specifically determined according to the size of the formwork required by specific construction.
In a possible implementation manner, two adjacent third back ridges 23 are arranged in parallel at equal intervals along the transverse direction of the second template 22; two adjacent fourth back ridges 24 are arranged in parallel at equal intervals in the longitudinal direction of the second template 22.
In the tunnel construction process, in order to improve the strength of the second formwork 22 in the outer formwork 2, a plurality of third back ridges 23 and fourth back ridges 24 are respectively arranged in parallel at equal intervals in the transverse direction and the longitudinal direction of the outer surface of one side of the second formwork 22, the third back ridges 23 are arranged opposite to the first back ridges 13 on the first formwork 12, the fourth back ridges 24 are arranged opposite to the second back ridges 14 on the first formwork 22, and the equal-interval parallel arrangement has the advantages of improving the influence of external force on the second formwork 22 in the concrete pouring process and ensuring that the second formwork 22 can bear the same external force action in unit area.
Fig. 5 is a schematic side view illustrating an outer formwork of a construction formwork for a tunnel according to an embodiment of the present invention, and fig. 5 shows that the second adjusting support system 26 includes: at least one third support pipe 261, one end of the third support pipe 261 being fixed to the second formwork system 21; a fourth support pipe 262 disposed perpendicular to the third support pipe 261, the fourth support pipe 262 being fixed to the other end of the third support pipe 261; the third supporting pipe 261 and the second template system 21 move up and down along with the rising or lowering of the fourth supporting pipe 262, so that the fourth supporting pipe 262 can be adjusted up and down conveniently, an adjusting rod is arranged in the fourth supporting pipe 262, the diameter of the fourth supporting pipe 262 is larger than that of the adjusting rod, the fourth supporting pipe 262 can move up and down, and through holes are correspondingly formed in the fourth supporting pipe 262 and the adjusting rod respectively, so that a bolt can be conveniently fixed in a fixed position.
In one possible implementation, the second form 22 is a steel form having a length of 20-40 meters.
In one possible implementation, the second form 22 is a steel form having a length of 30 meters.
It should be understood that the present application does not limit the specific length of the second form 22, and the relevant form can be designed according to the tunnel section, and the form parameters can be determined as follows: the thickness, the reinforcing structure, the support system, the sliding system, the lifting system, the connecting system, etc., and the specific length of the second formwork 22 is determined according to specific construction requirements, which can satisfy the implementation of the embodiment of the present application.
In a possible implementation mode, the tunnel construction template can be applied to open-cut power tunnel engineering and can also be applied to urban comprehensive pipe gallery engineering, industrial and civil building engineering.
That is to say, the tunnel construction template of this application all can be in open cut electric power tunnel engineering, city utility tunnel engineering, similar structure uses among industry and the civilian building engineering, because the demand to the template is great among the tunnel construction process, need use plank sheathing or polymer template to carry out the on-the-spot concatenation in the present work progress, construction is carried out after the concatenation is accomplished, dismantle plank sheathing again after the construction is accomplished and carry out construction next time, although the space that the plank sheathing occupy has been reduced in the concatenation when construction at every turn, but all need the concatenation to build plank sheathing and construct again before construction at every turn, waste time and energy, engineering construction's efficiency has been reduced, the steel form is chooseed for use to this application, the structure is light, be convenient for maintain the template, the life of template is prolonged.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and the like that are within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a construction formwork for tunnel which characterized in that, construction formwork for tunnel includes:
the inner formwork (1) is arranged in a construction tunnel, the inner formwork (1) comprises a sliding system (3), and the inner formwork (1) slides to a preset position in the construction tunnel through the sliding system (3);
an outer formwork (2) arranged outside the construction tunnel; and
the inner template (1) is connected with the outer template (2) through the connecting piece (4).
2. A construction formwork for tunnels according to claim 1, characterized in that said sliding system (3) comprises:
a slide rail (32), the slide rail (32) being disposed within the construction tunnel; and the sliding mechanism (31) is fixed on the inner template (1), and the sliding mechanism (31) is in sliding connection with the sliding rail (32).
3. The construction form for a tunnel according to claim 2, wherein the inner form (1) further comprises:
a first template system (11),
a first adjusting support system (16), so that the first adjusting support system (16) is fixedly connected with the first formwork system (11), the first adjusting support system (16) being used for adjusting the height of the first formwork system (11), and
a first base (15), said first base (15) being fixed to the bottom of said first formwork system (11);
wherein, the sliding mechanism (31) is fixedly connected on the first base (15).
4. A construction formwork for tunnel according to claim 3, wherein said sliding mechanism (31) comprises:
the universal wheel (311) is fixedly connected to the first base (15), and the universal wheel (311) slides to a preset position in the construction tunnel along the sliding rail (32).
5. A construction formwork for tunnels according to claim 3, wherein said first adjustment support system (16) comprises:
at least one first support tube (161), one end of said first support tube (161) being fixed to said first formwork system (11);
a second support pipe (162) disposed perpendicular to the first support pipe (161), the second support pipe (162) being fixed to the other end of the first support pipe (161);
the first support tube (161) and the first template system (11) are adjusted up and down relative to the second support tube (162).
6. A construction formwork for tunnels according to claim 3, wherein said first formwork system (11) comprises:
a first formwork (12), a plurality of first back ridges (13) arranged in a transverse direction of the first formwork (12), an extension direction of the first back ridges (13) being parallel to the transverse direction of the first formwork (12), and
a plurality of second back ridges (14) arranged at equal intervals in the longitudinal direction of the first template (12), wherein the extension direction of the second back ridges (14) is parallel to the longitudinal direction of the first template (12);
wherein the first base (15) is fixed on the second back ridge (33).
7. The construction formwork for a tunnel according to claim 6, wherein a plurality of the first back ridges (13) are arranged in parallel at equal intervals in a transverse direction of the first formwork (12), and a plurality of the second back ridges (14) are arranged in parallel at equal intervals in a longitudinal direction of the first formwork (12).
8. The construction form for a tunnel according to claim 1, wherein the outer form (20) comprises:
a second template system (21),
a second adjustable support system (26), the second adjustable support system (26) being fixedly connected to a second formwork system (21), the second adjustable support system (26) being used for adjusting the height of the second formwork system (21), an
A second base (25), said second base (25) being fixed to the bottom of said second formwork system (21).
9. The construction form for tunnels according to claim 8, wherein the second adjustment support system (26) comprises:
at least one third support tube (261), one end of the third support tube (261) being fixed with the second formwork system (21);
a fourth support pipe (262) disposed perpendicular to the third support pipe (261), the fourth support pipe (262) being fixed to the other end of the third support pipe (261);
the third support tube (261) and the second template system (21) are adjusted up and down relative to a fourth support tube (262).
10. A construction formwork for a tunnel according to claim 8, wherein said second formwork system (21) comprises:
the second template (22) is provided with a plurality of third back ridges (23) which are arranged in the transverse direction of the second template (22), the extending direction of the third back ridges (23) is parallel to the transverse direction of the second template (22), and two adjacent third back ridges (23) are arranged in parallel at equal intervals in the transverse direction of the second template (22); and
the second template comprises a plurality of fourth back ridges (24) arranged in the longitudinal direction of the second template (22), the extending direction of the fourth back ridges (24) is parallel to the longitudinal direction of the second template (22), and every two adjacent fourth back ridges (24) are arranged in parallel at equal intervals along the longitudinal direction of the second template (22).
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| CN202111159182.3A CN113833494A (en) | 2021-09-30 | 2021-09-30 | Construction template for tunnel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111159182.3A CN113833494A (en) | 2021-09-30 | 2021-09-30 | Construction template for tunnel |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150211205A1 (en) * | 2014-01-29 | 2015-07-30 | Guangzhou Jishi Construction Group Co., Ltd. | Construction system for subway station |
| CN109356618A (en) * | 2018-11-26 | 2019-02-19 | 中铁五局集团有限公司 | A kind of simple integral movable type square type tunnel frame and its construction method |
| CN109972655A (en) * | 2018-06-30 | 2019-07-05 | 中铁二十二局集团第三工程有限公司 | A kind of prefabricated piping lane machinery and Combined hydraulic type, which are integrally pacified, tears steel form and installation method open |
| JP2020020246A (en) * | 2018-08-03 | 2020-02-06 | 株式会社奥村組 | Method of forming induction joint in concrete structure |
| CN210031910U (en) * | 2019-05-17 | 2020-02-07 | 北京建工土木工程有限公司 | Movable formwork supporting system for underground comprehensive pipe gallery |
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2021
- 2021-09-30 CN CN202111159182.3A patent/CN113833494A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150211205A1 (en) * | 2014-01-29 | 2015-07-30 | Guangzhou Jishi Construction Group Co., Ltd. | Construction system for subway station |
| CN109972655A (en) * | 2018-06-30 | 2019-07-05 | 中铁二十二局集团第三工程有限公司 | A kind of prefabricated piping lane machinery and Combined hydraulic type, which are integrally pacified, tears steel form and installation method open |
| JP2020020246A (en) * | 2018-08-03 | 2020-02-06 | 株式会社奥村組 | Method of forming induction joint in concrete structure |
| CN109356618A (en) * | 2018-11-26 | 2019-02-19 | 中铁五局集团有限公司 | A kind of simple integral movable type square type tunnel frame and its construction method |
| CN210031910U (en) * | 2019-05-17 | 2020-02-07 | 北京建工土木工程有限公司 | Movable formwork supporting system for underground comprehensive pipe gallery |
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