CN211524840U - Egg-shaped tunnel quick lining template suitable for existing reinforced concrete bottom plate - Google Patents
Egg-shaped tunnel quick lining template suitable for existing reinforced concrete bottom plate Download PDFInfo
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- CN211524840U CN211524840U CN202020138562.3U CN202020138562U CN211524840U CN 211524840 U CN211524840 U CN 211524840U CN 202020138562 U CN202020138562 U CN 202020138562U CN 211524840 U CN211524840 U CN 211524840U
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Abstract
The utility model discloses a template of quick lining cutting of egg shape tunnel suitable for there has been reinforced concrete bottom plate, the advantage lies in improving tunnel lining cutting efficiency of construction and lining cutting utilization efficiency. Because the utility model provides a template self that is applicable to the quick lining cutting of egg-shaped tunnel that has the reinforced concrete bottom plate has the arch effect, adds high strength bolted connection shoulder template and country rock for the template need not the outside and supports and can reach self stably when concreting. Meanwhile, the foot template and the bottom reinforced concrete bottom plate are tightly combined by adopting the foundation bolts, the upper load is transferred to the bottom reinforced concrete bottom plate, and the functions of pouring, vibrating and the like can be borne without external support.
Description
Technical Field
The utility model relates to a tunnel steel-pipe sheet template technical field especially relates to a template of quick lining cutting of egg shape tunnel suitable for have reinforced concrete bottom plate.
Background
The egg shape is a common shape in hydraulic tunnels. The speed of tunnel lining is great to engineering progress and safe influence, and present tunnel lining template adopts the steel mould platform truck more, needs a large amount of outside supports on the one hand, influences the traffic of the interior construction period in the hole. On the other hand, the poured concrete needs to reach certain strength, the template can be dismantled and the lining section can be poured for the next section for use, and the lining speed of the whole tunnel is directly influenced by the influence of the steel mould trolley manufacturing cost and traffic in the tunnel due to low template utilization efficiency.
Therefore, how to provide a template for quickly lining an egg-shaped tunnel suitable for an existing reinforced concrete bottom plate so as to improve the working efficiency is a technical problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a template of quick lining cutting of egg-shaped tunnel suitable for have reinforced concrete bottom plate to improve work efficiency.
In order to achieve the above object, the utility model provides a following technical scheme:
the template suitable for the egg-shaped tunnel quick lining of the existing reinforced concrete bottom plate comprises a template unit, wherein the template unit comprises a left foot template, a right foot template, a left shoulder template, a right shoulder template and a top sealing template,
one end of the left foot template is connected with the reinforced concrete bottom plate, the other end of the left foot template is upwards connected with the left shoulder template and the capping template in sequence,
one end of the right foot template is connected with the reinforced concrete bottom plate, the other end of the right foot template is upwards connected with the right shoulder template and the capping template in sequence,
the left shoulder template is connected with a left embedded sleeve on the left side wall of the egg-shaped tunnel, and the right shoulder template is connected with a right embedded sleeve on the right side wall of the egg-shaped tunnel.
Preferably, the length of the template unit along the axial direction of the egg-shaped tunnel is 2-4 m,
the template units are multiple and are fully paved on the inner wall of the egg-shaped tunnel.
Preferably, the left shoulder template is provided with a first through hole for the left embedded sleeve to pass through and be connected through a bolt,
and a second through hole is formed in the right shoulder template, so that the right embedded sleeve can penetrate through the second through hole and is connected with the right embedded sleeve through a bolt.
Preferably, the bottoms of the left foot template and the right foot template are both trapezoidal.
Preferably, the left foot template, the right foot template, the left shoulder template, the right shoulder template and the capping template are all composed of a steel plate, and a longitudinal rib plate and a transverse rib plate which are fixed on one side of the steel plate.
Preferably, the longitudinal rib and the transverse rib are welded to the steel plate.
Preferably, the thickness of the longitudinal rib, the thickness of the transverse rib and the thickness of the steel plate are 5-10 mm.
Preferably, when the height of the egg-shaped tunnel is more than 5 meters, the left shoulder template and the right shoulder template are both provided with a plurality of templates,
when the height of the egg-shaped tunnel is not more than 5m, the left shoulder template and the right shoulder template are both one.
The utility model also provides a quick lining cutting method of egg-shaped tunnel suitable for there has been reinforced concrete bottom plate, include:
step 1) manufacturing any one of the templates suitable for egg-shaped tunnel quick lining of the existing reinforced concrete bottom plate in a processing plant, wherein a first through hole is formed in the left shoulder template at the position corresponding to the left embedded sleeve, and a second through hole is formed in the right shoulder template at the position corresponding to the right embedded sleeve;
step 2) when the egg-shaped tunnel is excavated, pre-burying a left pre-buried sleeve on the left side wall of the egg-shaped tunnel, and pre-burying a right pre-buried sleeve on the right side wall of the egg-shaped tunnel;
step 3) laying the template suitable for quickly lining the egg-shaped tunnel with the existing reinforced concrete bottom plate along the inner wall of the egg-shaped tunnel until the installation of the template unit in the whole egg-shaped tunnel is finished;
and 4) pouring concrete, cutting off a connecting piece which is arranged on the left shoulder template and is connected with the left embedded sleeve after the concrete reaches a preset strength, cutting off a connecting piece which is arranged on the right shoulder template and is connected with the right embedded sleeve, and dismantling the template which is suitable for the egg-shaped tunnel quick lining of the existing reinforced concrete bottom plate.
Preferably, in the step 3), the template for quickly lining the egg-shaped tunnel, which is suitable for the existing reinforced concrete bottom plate, is assembled and fixed in the egg-shaped tunnel from bottom to top.
Preferably, the assembling and fixing sequence is as follows: the left foot template or the right foot template, the left shoulder template or the right shoulder template and the capping template are finally adopted.
Preferably, the step 4) further includes finally treating the remaining connecting members in the concrete with epoxy mortar.
The utility model provides a template suitable for the rapid lining of an egg-shaped tunnel with an existing reinforced concrete bottom plate, which comprises a template unit, wherein the template unit comprises a left foot template, a right foot template, a left shoulder template, a right shoulder template and a capping template,
one end of the left foot template is connected with the reinforced concrete bottom plate, the other end of the left foot template is upwards connected with the left shoulder template and the capping template in sequence,
one end of the right foot template is connected with the reinforced concrete bottom plate, the other end of the right foot template is upwards connected with the right shoulder template and the capping template in sequence,
the left shoulder template is connected with a left embedded sleeve on the left side wall of the egg-shaped tunnel, and the right shoulder template is connected with a right embedded sleeve on the right side wall of the egg-shaped tunnel.
When in use, the template suitable for quickly lining the egg-shaped tunnel with the existing reinforced concrete bottom plate is manufactured in a processing plant in the step 1), a first through hole is formed in the position, corresponding to the left embedded sleeve, of the left shoulder template, and a second through hole is formed in the position, corresponding to the right embedded sleeve, of the right shoulder template;
step 2) when the egg-shaped tunnel is excavated, pre-burying a left pre-buried sleeve on the left side wall of the egg-shaped tunnel, and pre-burying a right pre-buried sleeve on the right side wall of the egg-shaped tunnel;
step 3) laying the template suitable for quickly lining the egg-shaped tunnel with the existing reinforced concrete bottom plate along the inner wall of the egg-shaped tunnel until the installation of the template unit in the whole egg-shaped tunnel is finished;
and 4) pouring concrete, cutting off a connecting piece which is arranged on the left shoulder template and is connected with the left embedded sleeve after the concrete reaches a preset strength, cutting off a connecting piece which is arranged on the right shoulder template and is connected with the right embedded sleeve, and dismantling the template which is suitable for the egg-shaped tunnel quick lining of the existing reinforced concrete bottom plate.
The utility model provides a template suitable for have quick lining cutting of egg-shaped tunnel of reinforced concrete bottom plate, the advantage lies in improving tunnel lining cutting efficiency of construction and lining cutting utilization efficiency. Because the utility model provides a template self that is applicable to the quick lining cutting of egg-shaped tunnel that has the reinforced concrete bottom plate has the arch effect, adds high strength bolted connection shoulder template and country rock for the template need not the outside and supports and can reach self stably when concreting.
Meanwhile, the foot template and the bottom reinforced concrete bottom plate are tightly combined by adopting the foundation bolts, the upper load is transferred to the bottom reinforced concrete bottom plate, and the functions of pouring, vibrating and the like can be borne without external support.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an egg-shaped tunnel rapid lining form suitable for an existing reinforced concrete bottom plate according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a capping template according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the connection between the left foot template and the left shoulder template as well as the reinforced concrete bottom plate provided by the embodiment of the present invention;
fig. 4 is a schematic structural view of the connection between the left shoulder template and the left wall and the capping template of the tunnel in the shape of an urban portal provided by the embodiment of the utility model;
fig. 5 is a schematic structural view of the capping template connected to the left shoulder template and the right shoulder template provided by the embodiment of the present invention.
In the above FIGS. 1-5:
the left foot template 1, the left shoulder template 2, the capping template 3, the right foot template 4, the right shoulder template 5, a reinforced concrete bottom plate 6, anchor bolts 7, a left embedded sleeve 8, a right embedded sleeve 9, transverse rib plates 10, longitudinal rib plates 11, an upper structure reinforcing steel bar net block 12 and high-strength bolts 13.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of an egg-shaped tunnel rapid lining form suitable for an existing reinforced concrete bottom plate according to an embodiment of the present invention; fig. 2 is a schematic structural view of a capping template according to an embodiment of the present invention; fig. 3 is a schematic structural view of the connection between the left foot template and the left shoulder template as well as the reinforced concrete bottom plate provided by the embodiment of the present invention; fig. 4 is a schematic structural view of the connection between the left shoulder template and the left wall and the capping template of the tunnel in the shape of an urban portal provided by the embodiment of the utility model; fig. 5 is a schematic structural view of the capping template connected to the left shoulder template and the right shoulder template provided by the embodiment of the present invention.
The template suitable for the egg-shaped tunnel rapid lining of the existing reinforced concrete bottom plate provided by the embodiment of the utility model comprises a template unit, wherein the template unit comprises a left foot template 1, a right foot template 4, a left shoulder template 2, a right shoulder template 5 and a top sealing template 3,
one end of the left foot template 1 is connected with a reinforced concrete bottom plate 6, the other end is sequentially connected with a left shoulder template 2 and a capping template 3 upwards,
one end of the right foot template 4 is connected with a reinforced concrete bottom plate 6, the other end thereof is sequentially connected with a right shoulder template 5 and a capping template 3 upwards,
the left shoulder template 1 is connected with a left embedded sleeve 8 positioned on the left side wall of the egg-shaped tunnel, and the right shoulder template 5 is connected with a right embedded sleeve 9 positioned on the right side wall of the egg-shaped tunnel.
When in use, the template suitable for egg-shaped tunnel quick lining of the existing reinforced concrete bottom plate 6 is manufactured in a processing plant in the step 1), the left shoulder template 2 is provided with a first through hole at the position corresponding to the left embedded sleeve 8, and the right shoulder template 5 is provided with a second through hole at the position corresponding to the right embedded sleeve 9;
step 2), when the egg-shaped tunnel is excavated, a left embedded sleeve 8 is embedded in the left wall of the egg-shaped tunnel, and a right embedded sleeve 9 is embedded in the right wall of the egg-shaped tunnel;
step 3) laying the template suitable for quickly lining the egg-shaped tunnel with the existing reinforced concrete bottom plate 6 along the inner wall of the egg-shaped tunnel until the installation of the template unit in the whole egg-shaped tunnel is finished;
and 4) pouring concrete, cutting off a connecting piece used for being connected with the left embedded sleeve 8 on the left shoulder template 2 after the concrete reaches a preset strength, cutting off a connecting piece used for being connected with the right embedded sleeve 9 on the right shoulder template 5, and removing the template suitable for quickly lining the egg-shaped tunnel of the existing reinforced concrete bottom plate 6.
The embodiment of the utility model provides a be applicable to the quick lining cutting's of egg-shaped tunnel template that has reinforced concrete bottom plate 6 template is that a cost is lower, can be from steady and quick assembly disassembly's template, and the advantage lies in improving tunnel lining cutting efficiency of construction and lining cutting utilization efficiency. Because the embodiment of the utility model provides a template self that is applicable to the quick lining cutting of egg-shaped tunnel that has reinforced concrete bottom plate 6 has had the arch effect, and high strength bolt 13 connects shoulder template and country rock in addition for the template need not the outside support and can reach self stably when concreting.
Meanwhile, the foot template and the bottom reinforced concrete bottom plate 6 are tightly combined by adopting the foundation bolts 7, the upper load is transferred to the bottom reinforced concrete bottom plate 6, and the functions of pouring, vibrating and other loads can be borne without external support.
Specifically, considering the requirements of quick installation and convenient transportation, the length of the template units along the axial direction of the egg-shaped tunnel is 2-4 meters, and the template units are a plurality of and are fully paved on the inner wall of the egg-shaped tunnel. A first through hole is formed in the left shoulder template 2, a left embedded sleeve 8 penetrates through the first through hole and is connected through a bolt, and a second through hole is formed in the right shoulder template 5, a right embedded sleeve 9 penetrates through the second through hole and is connected through a bolt.
Specifically, the left foot template 1, the right foot template 4, the left shoulder template 2, the right shoulder template 5 and the capping template 3 are all composed of a steel plate, and a longitudinal rib plate 11 and a transverse rib plate 10 which are fixed on one side of the steel plate.
The longitudinal rib plate 11 and the transverse rib plate 10 are welded on the steel plate, and the thickness of the longitudinal rib plate 11, the thickness of the transverse rib plate 10 and the thickness of the steel plate are 5-10 mm.
Specifically, when the height of the egg-shaped tunnel is more than 5m, the left shoulder template 2 and the right shoulder template 5 are both provided with a plurality of templates,
when the height of the egg-shaped tunnel is not more than 5m, the left shoulder template 2 and the right shoulder template 5 are both one.
The embodiment of the utility model provides a still provide a quick lining cutting method suitable for there has been egg-shaped tunnel of reinforced concrete bottom plate 6, include:
step 1) manufacturing a template suitable for egg-shaped tunnel quick lining of an existing reinforced concrete bottom plate in a processing plant according to any one of the embodiments, wherein a first through hole is formed in the position, corresponding to the left embedded sleeve 8, of the left shoulder template 2, and a second through hole is formed in the position, corresponding to the right embedded sleeve 9, of the right shoulder template 5;
step 2), when the egg-shaped tunnel is excavated, a left embedded sleeve 8 is embedded in the left wall of the egg-shaped tunnel, and a right embedded sleeve 9 is embedded in the right wall of the egg-shaped tunnel;
step 3) laying the template suitable for quickly lining the egg-shaped tunnel with the existing reinforced concrete bottom plate 6 along the inner wall of the egg-shaped tunnel until the installation of the template unit in the whole egg-shaped tunnel is finished;
and 4) pouring concrete, cutting off a connecting piece used for being connected with the left embedded sleeve 8 on the left shoulder template 2 and cutting off a connecting piece used for being connected with the right embedded sleeve 9 on the right shoulder template 5 after the concrete reaches a preset strength, wherein the connecting piece is a high-strength bolt 13, and the template suitable for quickly lining the egg-shaped tunnel of the existing reinforced concrete bottom plate 6 is removed.
Specifically, in the step 3), the template suitable for the egg-shaped tunnel quick lining of the existing reinforced concrete bottom plate 6 is assembled and fixed in the egg-shaped tunnel from bottom to top in sequence.
The assembly and fixation sequence is as follows: a left foot template 1 or a right foot template 4, a left shoulder template 2 or a right shoulder template 5 and finally a capping template 3.
Specifically, the step 4) further comprises the step of finally treating the residual connecting pieces in the concrete by adopting epoxy mortar.
Specifically, for the lining cutting efficiency that improves egg shape tunnel, improve the interior production condition of hole, the embodiment of the utility model provides an adopt following technical scheme:
an object of the embodiment of the utility model is to provide an assembled steel section of jurisdiction template design method suitable for there have been egg-shaped tunnel quick lining cutting of reinforced concrete bottom plate 6, go on according to following step:
step 1, according to the requirement of convenient transportation and quick installation of assembled tunnel lining, combine egg-shaped lining's concrete characteristics, design into the steel-pipe sheet template of egg-shaped tunnel lining and follow 2 ~ 4 meters of tunnel axial and be a template unit, every tunnel template unit divides into foot template, shoulder template and capping template to foot template, shoulder template respectively one in the side about, promptly: a left foot template 1, a left shoulder template 2, a right foot template 4 and a right shoulder template 5.
And 3, prefabricating according to the foot template, the shoulder template and the capping template 3 in the steel pipe sheet template processing plant respectively, namely prefabricating a left foot template 1, a left shoulder template 2, a capping template 3, a right foot template 4 and a right shoulder template 5. Wherein, the shoulder template is at the corresponding position trompil of buried sleeve pipe in advance, promptly: the left shoulder template 2 is provided with a first through hole at the position corresponding to the left embedded sleeve 8, and the right shoulder template 5 is provided with a second through hole at the position corresponding to the right embedded sleeve 9.
And 5, repeating the step 2 to the step 4 until the whole egg-shaped tunnel template unit is installed.
And 6, pouring concrete after the egg-shaped steel pipe sheet template is assembled and fixed. And after the concrete reaches the preset strength, cutting off the connecting nut on the shoulder template, dismantling the template, and treating the residual bolts in the concrete by adopting epoxy mortar.
And 7, repeating the steps 2 to 6 until the lining construction of the whole egg-shaped tunnel is completed.
The embodiment of the utility model provides a be applicable to the quick lining cutting's of egg-shaped tunnel template that has the reinforced concrete bottom plate, the advantage lies in improving tunnel lining cutting efficiency of construction and lining cutting utilization efficiency. Because the utility model discloses template self has the arch effect, adds high strength bolt 13 and connects shoulder template and country rock for the template need not the outside support and can reach self stable when concreting. Meanwhile, the foot template and the bottom reinforced concrete bottom plate 6 are tightly combined by adopting the foundation bolts 7, the upper load is transferred to the bottom reinforced concrete bottom plate 6, and the functions of pouring, vibrating and other loads can be borne without external support.
In the specific implementation, the method comprises the following steps:
step 1, determining the positions of a foot template, a shoulder template and a capping template 3 according to the design and excavation size of the egg-shaped tunnel and the stress condition of a lining. The lower end parts of the foot templates are locally reinforced, for example, the bottoms of the left foot template 1 and the right foot template 4 are both trapezoidal, so that the foot templates can be conveniently installed, and the stability of the foot templates is improved. When the height of the egg-shaped tunnel is more than or equal to 5m, the shoulder template can be detached again. When the height of the egg-shaped tunnel is less than 5m, the shoulder template can not be detached again.
And 2, pre-burying a sleeve in the surrounding rock corresponding to the shoulder template when the egg-shaped tunnel is excavated.
And 3, prefabricating according to the foot template, the shoulder template and the top sealing template 3 in the steel pipe sheet template processing plant respectively. Foot template, shoulder template and capping template 3 are steel frame construction, promptly: the steel plate comprises a steel plate, and a transverse rib plate 10 and a longitudinal rib plate 11 which are welded on the steel plate 5, wherein the thickness of the transverse rib plate 10 and the thickness of the longitudinal rib plate 11 are 10 mm. Wherein, the shoulder template is provided with a hole at the corresponding part of the embedded sleeve.
And 5, repeating the step 2 to the step 4 until the whole egg-shaped tunnel template unit is installed.
And 6, after the egg-shaped steel pipe sheet templates are assembled and fixed, assembling a plurality of unit template rings to a set length, and connecting the unit template rings through high-strength bolts 13 to pour the integral lining structure of the tunnel. And after the concrete reaches the preset strength, cutting off the connecting nut on the shoulder template, dismantling the template, and treating the residual bolts in the concrete by adopting epoxy mortar.
And 7, repeating the steps 2 to 6 until the lining construction of the whole egg-shaped tunnel is completed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The template suitable for the egg-shaped tunnel quick lining of the existing reinforced concrete bottom plate is characterized by comprising a template unit, wherein the template unit comprises a left foot template, a right foot template, a left shoulder template, a right shoulder template and a capping template,
one end of the left foot template is connected with the reinforced concrete bottom plate, the other end of the left foot template is upwards connected with the left shoulder template and the capping template in sequence,
one end of the right foot template is connected with the reinforced concrete bottom plate, the other end of the right foot template is upwards connected with the right shoulder template and the capping template in sequence,
the left shoulder template is connected with a left embedded sleeve on the left side wall of the egg-shaped tunnel, and the right shoulder template is connected with a right embedded sleeve on the right side wall of the egg-shaped tunnel.
2. The template for quickly lining the egg-shaped tunnel with the existing reinforced concrete bottom plate as recited in claim 1, wherein the length of the template unit along the axial direction of the egg-shaped tunnel is 2-4 m,
the template units are multiple and are fully paved on the inner wall of the egg-shaped tunnel.
3. The template for quickly lining an egg-shaped tunnel with an existing reinforced concrete bottom plate as recited in claim 1, wherein said left shoulder template is provided with a first through hole for said left pre-embedded sleeve to pass through and be connected by a bolt,
and a second through hole is formed in the right shoulder template, so that the right embedded sleeve can penetrate through the second through hole and is connected with the right embedded sleeve through a bolt.
4. The template for quickly lining an egg-shaped tunnel with an existing reinforced concrete bottom plate as recited in claim 1, wherein the bottoms of the left foot template and the right foot template are both trapezoidal.
5. The template applicable to the egg-shaped tunnel rapid lining of the existing reinforced concrete bottom plate as recited in claim 1, wherein the left foot template, the right foot template, the left shoulder template, the right shoulder template and the capping template are all composed of steel plates, longitudinal ribbed plates and transverse ribbed plates fixed on one side of the steel plates.
6. The template for quickly lining an egg-shaped tunnel with an existing reinforced concrete floor as recited in claim 5, wherein said longitudinal rib plate and said transverse rib plate are welded on said steel plate.
7. The template for quickly lining an egg-shaped tunnel with an existing reinforced concrete bottom plate as recited in claim 5, wherein the thickness of each of said longitudinal rib plate, said transverse rib plate and said steel plate is 5-10 mm.
8. The template for quickly lining the egg-shaped tunnel with the existing reinforced concrete bottom plate as claimed in claim 1, wherein when the height of the egg-shaped tunnel is more than 5m, a plurality of left shoulder templates and a plurality of right shoulder templates are provided,
when the height of the egg-shaped tunnel is not more than 5m, the left shoulder template and the right shoulder template are both one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020138562.3U CN211524840U (en) | 2020-01-21 | 2020-01-21 | Egg-shaped tunnel quick lining template suitable for existing reinforced concrete bottom plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020138562.3U CN211524840U (en) | 2020-01-21 | 2020-01-21 | Egg-shaped tunnel quick lining template suitable for existing reinforced concrete bottom plate |
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| CN211524840U true CN211524840U (en) | 2020-09-18 |
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| CN202020138562.3U Active CN211524840U (en) | 2020-01-21 | 2020-01-21 | Egg-shaped tunnel quick lining template suitable for existing reinforced concrete bottom plate |
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