CN211230493U - Assembled steel segment template suitable for quick lining of horseshoe tunnel - Google Patents
Assembled steel segment template suitable for quick lining of horseshoe tunnel Download PDFInfo
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- CN211230493U CN211230493U CN201921924671.1U CN201921924671U CN211230493U CN 211230493 U CN211230493 U CN 211230493U CN 201921924671 U CN201921924671 U CN 201921924671U CN 211230493 U CN211230493 U CN 211230493U
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Abstract
The utility model discloses an assembled steel segment template suitable for horseshoe tunnel quick lining, an assembled steel segment template for horseshoe tunnel quick lining, which is characterized in that the shoulder template consists of a plurality of sub first shoulder templates; each sub first shoulder template comprises a first steel plate body, a first transverse rib plate and a first longitudinal rib plate, wherein the first transverse rib plate and the first longitudinal rib plate are arranged on the first steel plate body, the first transverse rib plate at the outermost end is provided with a connecting hole, and the sub first shoulder templates are connected through the connecting hole and a high-strength bolt. The whole structure of the template unit is simple, and the engineering cost is greatly reduced.
Description
Technical Field
The utility model relates to a tunnel lining cutting technical field, concretely relates to assembled steel section of jurisdiction template suitable for quick lining cutting of shape of a hoof tunnel.
Background
The horseshoe 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, the method for utilizing the template with low cost, self-stability and quick disassembly and assembly to line the tunnel is researched, and the method has wide significance for improving the lining efficiency of the tunnel.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the method provides the assembled steel segment template which can effectively improve the efficiency and is suitable for the rapid lining of the horseshoe tunnel.
The technical scheme of the utility model is that: an assembled steel segment template suitable for rapid lining of a horseshoe-shaped tunnel is disclosed, and the assembled steel segment template for rapid lining of the horseshoe-shaped tunnel is characterized in that a shoulder template consists of a plurality of sub first shoulder templates; each sub first shoulder template comprises a first steel plate body, a first transverse rib plate and a first longitudinal rib plate, wherein the first transverse rib plate and the first longitudinal rib plate are arranged on the first steel plate body, the first transverse rib plate at the outermost end is provided with a connecting hole, and the sub first shoulder templates are connected through the connecting hole and a high-strength bolt.
Preferably, the shoulder form is composed of a plurality of sub-second shoulder forms; each sub second shoulder template comprises a second steel plate body, a second transverse rib plate and a second longitudinal rib plate which are arranged on the second steel plate body, and connecting inserting strips and connecting inserting holes which are respectively arranged on the two second transverse rib plates at the outer ends of the second steel plate body; and the second cross rib plate at the outermost end and the connecting jacks are respectively provided with a connecting hole, and the second shoulder templates are connected through the connecting holes and the high-strength bolts.
The shoulder template comprises a support frame and a second shoulder template; the support frame comprises two side supports, 5-10 support plates uniformly arranged on the two side supports, and reinforcing rods arranged on the two side supports and positioned between the two support plates; the second shoulder template consists of a rectangular steel plate and side rib plates welded on the periphery of the steel plate; a second shoulder form. Can be mounted on two support plates.
As an improvement of the utility model, work as during the high more than or equal to 5m of U-shaped tunnel, can carry out the split again to the shoulder template, should avoid placing the split point in the great position of atress during the split. The resolution scheme includes the following three:
first, the shoulder form is comprised of a plurality of sub-first shoulder forms; each sub first shoulder template comprises a first steel plate body, a first cross rib plate and a first longitudinal rib plate, wherein the first cross rib plate and the first longitudinal rib plate are arranged on the first steel plate body; the assembly is more flexible when in use, and the shoulder template is more convenient to transport after being split into the first shoulder template.
Secondly, the shoulder template consists of a plurality of sub second shoulder templates; each sub second shoulder template comprises a second steel plate body, a second transverse rib plate and a second longitudinal rib plate which are arranged on the second steel plate body, and connecting inserting strips and connecting inserting holes which are respectively arranged on the two second transverse rib plates at the outer ends of the second steel plate body; and the second cross rib plate at the outermost end and the connecting jacks are respectively provided with a connecting hole, and the second shoulder templates are connected through the connecting holes and the high-strength bolts.
Thirdly, the shoulder template comprises a support frame and a second shoulder template; the supporting frame comprises two side supports, 5-10 supporting plates uniformly arranged on the two side supports, and reinforcing rods arranged on the two side supports and positioned between the two supporting plates; the second shoulder template consists of a rectangular steel plate and side rib plates welded on the periphery of the steel plate; the second shoulder formwork can be arranged between the two supporting plates; the actual assembly type is more convenient, the support frame and the shoulder template are firstly installed, and then the second shoulder template is pushed to the reserved position in the support frame; such a structure is more convenient to transport.
Furthermore, the capping template further comprises a construction safety frame, wherein the construction safety frame adopts a steel framework and specifically comprises an arc arch bar, a load upright post, a load beam, a load sharing upright post and a longitudinal beam; the load beam can be arranged at the upper end of the load upright post in a carrying way, and the load beam and the load upright post are in a cubic structure; the arc-shaped arch bars can be arranged on the load upright columns which are opposite in pairs in the cubic structure; the load sharing upright columns are uniformly arranged between the arc-shaped arch rods and the load beam and are used for supporting the arc-shaped arch rods; the longitudinal beams are uniformly arranged between the load beams and between the arc-shaped arch rods; further, the construction safety frame is utilized to reinforce the capping template, so that the load of the shoulder template caused by the arch effect can be reduced, and the construction safety can be effectively enhanced.
Compared with the prior art, the beneficial effects of the utility model are that: the method adopted by the utility model can improve the construction efficiency of tunnel lining; the utility model discloses template self has the arch effect, adds high strength bolt connection shoulder template and country rock for the template need not large-scale lining cutting platform truck and can reach self stable when concreting. Meanwhile, the foot template and the bottom reinforced concrete bottom plate are tightly combined by adopting 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 effectively born; the utility model discloses the template unit overall structure who adopts during the lining cutting is simple, very big reduction engineering cost.
1. Description of the drawings
FIG. 1 is a schematic structural view of embodiments 1 to 4 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 5 of the present invention;
fig. 3 is a schematic structural view of a shoulder form of embodiment 2 of the present invention;
fig. 4 is a schematic structural view of a shoulder top template according to embodiment 3 of the present invention;
fig. 5 is an exploded view of a shoulder top form of embodiment 4 of the present invention;
fig. 6 is a schematic structural view of a construction safety frame according to embodiment 5 of the present invention;
the steel plate comprises a 1-foot template, a 2-shoulder template, a 21-sub first shoulder template, a 211-first steel plate body, 212-first cross rib plates, 213-first longitudinal rib plates, 22-sub second shoulder template plates, 221-second steel plate body, 222-second cross rib plates, 223-second longitudinal rib plates, 224-connecting inserting strips, 225-connecting inserting holes, 231-supporting frames, 2311-side supports, 2312-supporting plates, 232-second shoulder template plates, 3-top sealing template plates, 4-sleeves, 5-reinforced concrete bottom plates, 6-foundation bolts, 7-high-strength bolts, 8-construction safety frames, 81-arc arch rods, 82-load upright columns, 83-load beams, 84-load sharing upright columns and 85-longitudinal beams.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention
Example 1: as shown in figure 1, the construction method of the assembled steel segment template suitable for the rapid lining of the horseshoe tunnel comprises the following steps:
the method comprises the following steps: design of
According to the design and excavation size of the horseshoe-shaped tunnel and the stress condition of lining, a steel pipe sheet template lined in the horseshoe-shaped tunnel is designed to be a template unit along the axial direction 2m of the tunnel, wherein the template unit comprises a foot template 1, a shoulder template 2 and a capping template 3; the method specifically comprises the following steps: determining the positions of a foot template 1, a shoulder template 2 and a capping template 3 according to the design and excavation size of the horseshoe-shaped tunnel and the stress condition of lining; the lower end part of the foot template 1 is locally reinforced, so that the foot template 1 can be conveniently installed, and the stability of the foot template 1 is improved;
step two: excavating
Excavating the horseshoe-shaped tunnel in a sectional mode, and embedding a sleeve 4 in the surrounding rock corresponding to the shoulder template 2 of the template unit;
step three: prefabricated building block
Prefabricating the template unit in a steel pipe sheet template processing factory; the foot template 1, the shoulder template 2 and the capping template 3 are all of steel frame structures, the depth of each template unit is 2m, and holes are formed in the corresponding positions of the embedded sleeves 4 of the shoulder templates 2; the foot template 1, the shoulder template 2 and the top sealing template 3 are all composed of a steel plate body and longitudinal and transverse reinforcing rib plates welded on the inner side of the steel plate body, wherein the thickness of the steel plate body is 10mm, and the thickness of the reinforcing rib plate is 8 mm;
step four: assembly
Constructing a reinforced concrete bottom plate 5 at the bottom of the excavated horseshoe-shaped tunnel, binding an upper structural reinforced net block, and erecting a prefabricated template unit on the reinforced concrete bottom plate; until the installation of the template unit of the excavated horseshoe tunnel is finished; when the formwork unit is erected, the foundation bolt 6 is firstly adopted to connect the reinforced concrete bottom plate 5 at the bottom of the tunnel and the foot formwork 1; then, taking the foot template 1 as a support, sequentially arranging the shoulder templates 2 on the left side and the right side on the foot template 1, and connecting the shoulder templates through high-strength bolts 7; then the top sealing template 3 is pushed to the mounting position of the top of the tunnel and is connected with the shoulder templates 2 at the left side and the right side through high-strength bolts 7, so that a unit template ring is formed; the embedded sleeve 4 and the shoulder template 2 are connected by high-strength bolts, so that slip forms and die running are prevented when concrete is poured;
step five: pouring
After the U-shaped steel pipe sheet template is assembled and fixed, concrete is poured; 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;
step six: continuous construction
And repeating the second step and the fifth step until the lining construction of the whole horseshoe-shaped tunnel is completed.
Example 2: the difference from example 1 is: a construction method of an assembled steel segment template suitable for rapid lining of a horseshoe-shaped tunnel comprises the following steps:
the method comprises the following steps: design of
According to the design and excavation size of the horseshoe-shaped tunnel and the stress condition of lining, a steel pipe sheet template lined in the horseshoe-shaped tunnel is designed to be a template unit along the axial direction 2m of the tunnel, and the template unit comprises a foot template 1, a shoulder template 2 and a capping template 3; the method specifically comprises the following steps: determining the positions of a foot template 1, a shoulder template 2 and a capping template 3 according to the design and excavation size of the horseshoe-shaped tunnel and the stress condition of lining; the lower end part of the foot template 1 is locally reinforced, so that the foot template 1 can be conveniently installed, and the stability of the foot template 1 is improved; determining the height of the horseshoe-shaped tunnel, and splitting the shoulder template 2 when the height of the horseshoe-shaped tunnel is more than or equal to 5 m;
step two: excavating
Excavating the horseshoe-shaped tunnel in a sectional mode, and embedding a sleeve 4 in the surrounding rock corresponding to the shoulder template 2 of the template unit;
step three: prefabricated building block
Prefabricating the template unit in a steel pipe sheet template processing factory; the foot template 1, the shoulder template 2 and the capping template 3 are all of steel frame structures, the depth of each template unit is 2m, and holes are formed in the corresponding positions of the embedded sleeves 4 of the shoulder templates 2; the foot template 1 and the top sealing template 3 are both composed of a steel plate body and longitudinal and transverse reinforced rib plates welded on the inner side of the steel plate body, wherein the thickness of the steel plate body is 10mm, and the thickness of the reinforced rib plate is 10 mm; as shown in fig. 3, the shoulder form 2 is composed of a plurality of sub-first shoulder forms 21; each sub first shoulder formwork 21 comprises a first steel plate body 211, a first cross rib plate 212 and a first longitudinal rib plate 213, wherein the first cross rib plate 212 and the first longitudinal rib plate 213 are arranged on the first steel plate body 211, a connecting hole is formed in the first cross rib plate 212 at the outermost end, and the thicknesses of the sub first steel plate body 211, the first cross rib plate 212 and the first longitudinal rib plate 213 are all 10 mm;
step four: assembly
Constructing a reinforced concrete bottom plate 5 at the bottom of the excavated horseshoe-shaped tunnel, binding an upper structural reinforced net block, and erecting a prefabricated template unit on the reinforced concrete bottom plate; until the installation of the template unit of the excavated horseshoe tunnel is finished; when the formwork unit is erected, the foundation bolt 6 is firstly adopted to connect the reinforced concrete bottom plate 5 at the bottom of the tunnel and the foot formwork 1; then, the foot templates 1 are used as supports, the shoulder templates 2 on the left side and the right side are sequentially arranged on the foot templates 1 and are connected through high-strength bolts 7, wherein the sub first steel plate bodies 211 are also connected through the high-strength bolts 7; then the top sealing template 3 is pushed to the mounting position of the top of the tunnel and is connected with the shoulder templates 2 at the left side and the right side through high-strength bolts 7, so that a unit template ring is formed; the embedded sleeve 4 and the shoulder template 2 are connected by high-strength bolts, so that slip forms and die running are prevented when concrete is poured;
step five: pouring
After the U-shaped steel pipe sheet template is assembled and fixed, concrete is poured; 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;
step six: continuous construction
And repeating the second step and the fifth step until the lining construction of the whole horseshoe-shaped tunnel is completed.
Example 3: the difference from example 1 is: a construction method of an assembled steel segment template suitable for rapid lining of a horseshoe-shaped tunnel comprises the following steps:
the method comprises the following steps: design of
According to the design and excavation size of the horseshoe-shaped tunnel and the stress condition of lining, a steel pipe sheet template lined in the horseshoe-shaped tunnel is designed to be a template unit along the axial direction 2m of the tunnel, and the template unit comprises a foot template 1, a shoulder template 2 and a capping template 3; the method specifically comprises the following steps: determining the positions of a foot template 1, a shoulder template 2 and a capping template 3 according to the design and excavation size of the horseshoe-shaped tunnel and the stress condition of lining; the lower end part of the foot template 1 is locally reinforced, so that the foot template 1 can be conveniently installed, and the stability of the foot template 1 is improved; determining the height of the horseshoe-shaped tunnel, and splitting the shoulder template 2 when the height of the horseshoe-shaped tunnel is more than or equal to 5 m;
step two: excavating
Excavating the horseshoe-shaped tunnel in a sectional mode, and embedding a sleeve 4 in the surrounding rock corresponding to the shoulder template 2 of the template unit;
step three: prefabricated building block
Prefabricating the template unit in a steel pipe sheet template processing factory; the foot template 1, the shoulder template 2 and the capping template 3 are all of steel frame structures, the depth of each template unit is 2m, and holes are formed in the corresponding positions of the embedded sleeves 4 of the shoulder templates 2; the foot template 1 and the top sealing template 3 are both composed of a steel plate body and longitudinal and transverse reinforced rib plates welded on the inner side of the steel plate body, wherein the thickness of the steel plate body is 10mm, and the thickness of the reinforced rib plate is 10 mm; as shown in fig. 4, the shoulder form 2 is composed of a plurality of sub-second shoulder forms 22; each sub second shoulder form 22 includes a second steel plate body 221, a second latitudinal rib plate 222 and a second longitudinal rib plate 223 provided on the second steel plate body 221, and a connecting slip 224 and a connecting insertion hole 225 respectively provided on the two outermost second latitudinal rib plates 222; the second cross rib 222 and the connection jack 225 at the outermost end are provided with connection holes; the thicknesses of the sub first steel plate body 211, the first cross rib plate 212 and the first longitudinal rib plate 213 are all 10 mm; the thickness of the connecting cutting 224 is 8 mm;
step four: assembly
Constructing a reinforced concrete bottom plate 5 at the bottom of the excavated horseshoe-shaped tunnel, binding an upper structural reinforced net block, and erecting a prefabricated template unit on the reinforced concrete bottom plate; until the installation of the template unit of the excavated horseshoe tunnel is finished; when the formwork unit is erected, the foundation bolt 6 is firstly adopted to connect the reinforced concrete bottom plate 5 at the bottom of the tunnel and the foot formwork 1; then, the foot templates 1 are used as supports, the shoulder templates 2 on the left side and the right side are sequentially arranged on the foot templates 1 and are connected through high-strength bolts 7, wherein the secondary second shoulder templates 22 are inserted into the connecting jacks 225 through the connecting inserting strips 224 and then are fixed through the connecting holes through the high-strength bolts 7; then the top sealing template 3 is pushed to the mounting position of the top of the tunnel and is connected with the shoulder templates 2 at the left side and the right side through high-strength bolts 7, so that a unit template ring is formed; the embedded sleeve 4 and the shoulder template 2 are connected by high-strength bolts, so that slip forms and die running are prevented when concrete is poured;
step five: pouring
After the U-shaped steel pipe sheet template is assembled and fixed, concrete is poured; 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;
step six: continuous construction
And repeating the second step and the fifth step until the lining construction of the whole horseshoe-shaped tunnel is completed.
Example 4: the difference from example 1 is: a construction method of an assembled steel segment template suitable for rapid lining of a horseshoe-shaped tunnel comprises the following steps:
the method comprises the following steps: design of
According to the design and excavation size of the horseshoe-shaped tunnel and the stress condition of lining, a steel pipe sheet template lined in the horseshoe-shaped tunnel is designed to be a template unit along the axial direction 2m of the tunnel, and the template unit comprises a foot template 1, a shoulder template 2 and a capping template 3; the method specifically comprises the following steps: determining the positions of a foot template 1, a shoulder template 2 and a capping template 3 according to the design and excavation size of the horseshoe-shaped tunnel and the stress condition of lining; the lower end part of the foot template 1 is locally reinforced, so that the foot template 1 can be conveniently installed, and the stability of the foot template 1 is improved; determining the height of the horseshoe-shaped tunnel, and splitting the shoulder template 2 when the height of the horseshoe-shaped tunnel is more than or equal to 5 m;
step two: excavating
Excavating the horseshoe-shaped tunnel in a sectional mode, and embedding a sleeve 4 in the surrounding rock corresponding to the shoulder template 2 of the template unit;
step three: prefabricated building block
Prefabricating the template unit in a steel pipe sheet template processing factory; the foot template 1, the shoulder template 2 and the capping template 3 are all of steel frame structures, the depth of each template unit is 2m, and holes are formed in the corresponding positions of the embedded sleeves 4 of the shoulder templates 2; the foot template 1 and the top sealing template 3 are both composed of a steel plate body and longitudinal and transverse reinforced rib plates welded on the inner side of the steel plate body, wherein the thickness of the steel plate body is 10mm, and the thickness of the reinforced rib plate is 10 mm; as shown in fig. 5, the shoulder form 2 includes a support frame 231 and a second shoulder form 232; the supporting frame 231 includes two edge brackets 2311, 5-10 supporting plates 2312 uniformly arranged on the two edge brackets 2311, and reinforcing rods 2313 arranged between the two supporting plates 2312 on the two edge brackets 2311; the second shoulder form 232 is composed of a rectangular steel plate and side rib plates welded around the steel plate; the second shoulder form 232 can be mounted between two support plates 2312; the thickness of the rectangular steel plate is 10 mm; the thickness of the side rib plate is 8 mm;
step four: assembly
Constructing a reinforced concrete bottom plate 5 at the bottom of the excavated horseshoe-shaped tunnel, binding an upper structural reinforced net block, and erecting a prefabricated template unit on the reinforced concrete bottom plate; until the installation of the template unit of the excavated horseshoe tunnel is finished; when the formwork unit is erected, the foundation bolt 6 is firstly adopted to connect the reinforced concrete bottom plate 5 at the bottom of the tunnel and the foot formwork 1; then, the support frame 231 is installed on the foot template 1 by taking the foot template 1 as a support, the second shoulder template 232 is pushed between the two support plates 2312, the top sealing template 3 is pushed to the installation position of the top of the tunnel, and the two sides of the support frame 231 are connected through the high-strength bolts 7; thereby forming a unit template ring; the embedded sleeve 4 and the shoulder template 2 are connected by high-strength bolts, so that slip forms and die running are prevented when concrete is poured;
step five: pouring
After the U-shaped steel pipe sheet template is assembled and fixed, concrete is poured; 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;
step six: continuous construction
And repeating the second step and the fifth step until the lining construction of the whole horseshoe-shaped tunnel is completed.
Example 5: the difference from example 1 is: as shown in fig. 2, when assembling, a construction safety frame 8 is adopted for protection construction; as shown in fig. 6, the construction safety frame 8 adopts a steel framework, and specifically comprises an arc arch bar 81, a load upright 82, a load beam 83, a load sharing upright 84 and a longitudinal beam 85; the load beam 83 can be arranged at the upper end of the load column 82, and the load beam 83 and the load column 82 are of a cubic structure; the arched rods 81 can be mounted on two opposite load posts 82 in a cubic configuration; the load sharing upright posts 84 are uniformly arranged between the arc-shaped arch rods 81 and the load beams 83 and used for supporting the arc-shaped arch rods 81; the longitudinal beams 85 are uniformly installed between the load beams 83 and between the arc-shaped arch bars 81.
Claims (3)
1. An assembly type steel segment template for rapid lining of a horseshoe-shaped tunnel is characterized in that a shoulder template (2) consists of a plurality of sub first shoulder templates (21); each sub first shoulder formwork (21) comprises a first steel plate body (211), a first cross rib plate (212) and a first longitudinal rib plate (213) which are arranged on the first steel plate body (211), connecting holes are formed in the first cross rib plate (212) at the outermost end, and the sub first shoulder formwork (21) is connected through the connecting holes and high-strength bolts.
2. The assembled steel segment formwork for rapid lining of horseshoe tunnels according to claim 1, characterized in that said shoulder formwork (2) is composed of a plurality of sub-second shoulder formworks (22); each sub second shoulder formwork (22) comprises a second steel plate body (221), second cross ribs (222) and second longitudinal ribs (223) which are arranged on the second steel plate body (221), and connecting inserting strips (224) and connecting inserting holes (225) which are respectively arranged on the two outermost second cross ribs (222); and the second cross rib plate (222) at the outermost end and the connecting jack (225) are both provided with connecting holes, and the second shoulder formwork (22) is connected through the connecting holes and high-strength bolts.
3. The assembled steel segment formwork for rapid lining of horseshoe tunnels according to claim 1, characterized in that said shoulder formwork (2) comprises a support frame (231) and a second shoulder formwork (232); the supporting frame (231) comprises two edge supports (2311), 5-10 supporting plates (2312) uniformly arranged on the two edge supports (2311), and reinforcing rods (2313) arranged between the two supporting plates (2312) on the two edge supports (2311); the second shoulder template (232) is composed of a rectangular steel plate and side rib plates welded on the periphery of the steel plate; the second shoulder form (232) can be mounted between two support plates (2312).
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| CN201921924671.1U CN211230493U (en) | 2019-11-09 | 2019-11-09 | Assembled steel segment template suitable for quick lining of horseshoe tunnel |
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| CN201921924671.1U CN211230493U (en) | 2019-11-09 | 2019-11-09 | Assembled steel segment template suitable for quick lining of horseshoe tunnel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700211A (en) * | 2019-11-09 | 2020-01-17 | 黄河勘测规划设计研究院有限公司 | Assembly type steel segment template construction method suitable for rapid lining of horseshoe-shaped tunnel |
| CN114183173A (en) * | 2021-11-27 | 2022-03-15 | 中铁二局集团有限公司 | Arch formwork, lining supporting formwork structure and construction method thereof |
-
2019
- 2019-11-09 CN CN201921924671.1U patent/CN211230493U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700211A (en) * | 2019-11-09 | 2020-01-17 | 黄河勘测规划设计研究院有限公司 | Assembly type steel segment template construction method suitable for rapid lining of horseshoe-shaped tunnel |
| CN114183173A (en) * | 2021-11-27 | 2022-03-15 | 中铁二局集团有限公司 | Arch formwork, lining supporting formwork structure and construction method thereof |
| CN114183173B (en) * | 2021-11-27 | 2024-01-23 | 中铁二局集团有限公司 | Arch formwork, lining support formwork structure and construction method thereof |
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