CN111101971A - Symmetrical horseshoe-shaped assembled concrete tunnel - Google Patents
Symmetrical horseshoe-shaped assembled concrete tunnel Download PDFInfo
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- CN111101971A CN111101971A CN202010125611.4A CN202010125611A CN111101971A CN 111101971 A CN111101971 A CN 111101971A CN 202010125611 A CN202010125611 A CN 202010125611A CN 111101971 A CN111101971 A CN 111101971A
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- 239000004567 concrete Substances 0.000 title claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims description 76
- 239000010959 steel Substances 0.000 claims description 76
- 238000012545 processing Methods 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 description 33
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21D11/08—Lining with building materials with preformed concrete slabs
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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
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
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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
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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
- E21D11/14—Lining predominantly with metal
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to a tunnel, in particular to a symmetrical horseshoe-shaped fabricated concrete tunnel, wherein the top and the bottom of the tunnel are both arched shell plates, flanges at two sides of the tunnel are respectively lapped with two vertical shell plates through the flanges of the shell plates, and the arched shell plates at the bottom are lapped with the vertical shell plates through the flanges to form a horseshoe-shaped concrete slab. The invention can realize integrated assembly and production, and is convenient for forming an industrial chain, and assembly line production and construction. The connection of each part is simpler and more effective, the stress performance is good, the stability is strong, the application range is wide, the construction speed is high, the economic effect is good, the complex operation in the construction process is avoided, the cost can be greatly reduced, and the transportation and the field assembly are easy.
Description
Technical Field
The invention relates to a tunnel, in particular to a symmetrical horseshoe-shaped assembled concrete tunnel.
Background
A tunnel space is built underground in a city, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated, a special overhaul port, a lifting port and a monitoring system are arranged, unified planning, unified design, unified construction and management are implemented, and the tunnel space is an important infrastructure and a 'life line' for guaranteeing city operation. The utility tunnel construction avoids the influence and interference on traffic and resident trip caused by frequently digging the road for laying and maintaining underground pipelines, and keeps the road appearance complete and beautiful. The cost of repeated repair of the road surface and the maintenance cost of the engineering pipeline are reduced. The integrity of the pavement and the durability of various pipelines are maintained.
The construction of the domestic comprehensive pipe gallery starts late. Before the reform is opened, pipeline corridors are generally arranged only in underground spaces of large public buildings or large industrial enterprises according to needs, or only comprehensive cable ditches mainly for weak current are simply placed.
In recent years, the construction standards of municipal infrastructure are continuously promoted all over the country, and intensive use and sustainable development of municipal road underground spaces are achieved by constructing comprehensive pipe galleries through exploration. However, at present, the construction cost of the comprehensive pipe gallery is still high, the assembly type comprehensive pipe gallery is difficult to realize industrialization and integration, the production, transportation and construction of components are also considered, and the on-site connection is very difficult.
Disclosure of Invention
The invention aims to provide a symmetrical horseshoe-shaped assembled concrete tunnel which can greatly reduce the prefabrication cost of a comprehensive pipe gallery, enables the connection of all parts to be simpler, safer, more efficient and durable, and has reasonable layout and wide application range.
Aiming at the problems in the prior art, the technical scheme adopted by the invention is as follows:
a symmetrical horseshoe-shaped assembled concrete tunnel mainly comprises a top arched shell plate angular point A, a top arched shell plate angular point B, a vertical shell plate A, a bottom arched shell plate angular point A, a bottom arched shell plate angular point B and a grouting layer, wherein the top arched shell plate angular point A comprises a top arched shell plate angular point A web and a top arched shell plate angular point A flange; the top arched shell plate corner point B comprises a top arched shell plate corner point B web and a top arched shell plate corner point B flange; the bottom arched shell plate angular point A comprises a bottom arched shell plate angular point A web and a bottom arched shell plate angular point A flange; the bottom arched shell plate corner B comprises a bottom arched shell plate corner B web and a bottom arched shell plate corner B flange, the top arched shell plate comprises a top arched shell plate web and a top arched shell plate flange, the top arched shell plate corner A and the top arched shell plate are lapped along an outer edge line through the top arched shell plate corner A flange and the top arched shell plate flange, a top arched shell plate steel bar framework is arranged in the top arched shell plate, an overhanging steel bar of the top arched shell plate steel bar framework extends into a corresponding reserved steel bar hole of the top arched shell plate corner A, and a rectangular hole formed when the top arched shell plate flange is lapped with the top arched shell plate corner A flange is a grouting layer;
the bottom arched shell plate angular point A is internally provided with a bottom arched shell plate angular point A steel bar skeleton, the flange of the bottom arched shell plate angular point A is provided with a bottom arched shell plate angular point A steel bar skeleton overhanging steel bar, and the bottom arched shell plate comprises a bottom arched shell plate web and a bottom arched shell plate flange; the vertical shell plate A comprises a vertical shell plate A web and a vertical shell plate A flange, the vertical shell plate A is respectively lapped with a top arch shell plate angular point A flange and a bottom arch shell plate angular point A flange along an outer edge line through the vertical shell plate A flange when being lapped with the vertical shell plate A from top to bottom, a vertical shell plate A steel reinforcement framework is arranged in the vertical shell plate A, a top arch shell plate angular point A steel reinforcement framework is arranged on the top arch shell plate angular point A, and overhanging steel reinforcements of the vertical shell plate A steel reinforcement framework are bound with overhanging steel reinforcements of the top arch shell plate angular point A steel reinforcement framework in a one-to-one correspondence mode.
Furthermore, the top arched shell plate corner point A flange, the top arched shell plate corner point B flange, the bottom arched shell plate corner point A flange, the bottom arched shell plate flange and the bottom arched shell plate corner point B flange are all consistent in length.
Furthermore, the top arched shell plate corner point A flange, the top arched shell plate corner point B flange, the vertical shell plate A flange, the bottom arched shell plate corner point A flange, the bottom arched shell plate flange and the bottom arched shell plate corner point B flange are all consistent in length, the width is one third of the width of the web plate, and the grouting layer reserved in the middle during lapping is sealed and filled with fine stone concrete.
Further, installing an X-shaped stiffening rib on the flange A of the vertical shell plate, wherein the X-shaped stiffening rib is an X-shaped steel plate, and a processing hole of the X-shaped stiffening rib corresponds to the reserved hole of the flange A of the vertical shell plate; and bolts penetrate through the processing holes of the X-shaped stiffening ribs and the reserved holes of the flange A of the vertical shell plate to be connected.
Furthermore, the diameters of the top arched shell plate corner point A steel bar skeleton overhanging steel bars, the vertical shell plate A steel bar skeleton overhanging steel bars and the bottom arched shell plate corner point A steel bar skeleton overhanging steel bars are less than or equal to 25 mm.
Furthermore, the corner point A and the corner point B of the bottom arched shell plate are both L-like shapes.
Further, the vertical skin A web may be lengthened or shortened.
Furthermore, arc plates are added to two sides of the corner when the top arched shell plate corner point A, the top arched shell plate corner point B, the bottom arched shell plate corner point A and the bottom arched shell plate corner point B are prefabricated.
Furthermore, the top of the symmetrical horseshoe-shaped assembled concrete tunnel is arched, and the bottom of the symmetrical horseshoe-shaped assembled concrete tunnel is reversely arched.
The invention has the advantages and beneficial effects that:
the top of the symmetrical U-shaped fabricated concrete tunnel is provided with an arched shell plate, the bottom of the symmetrical U-shaped fabricated concrete tunnel is provided with an inverted arch shell plate, flanges on two sides of the inverted arch shell plate are respectively lapped with two vertical shell plates through the flanges of the shell plates, and the arched shell plate at the bottom is lapped with the vertical shell plates through the flanges of the shell plates to form the U-shaped concrete slab. Can carry out integration assembly and production, be convenient for form the industrial chain, streamlined production and build. The connection of each part is simpler and more effective, the stress performance is good, the stability is strong, the application range is wide, the construction speed is high, the economic effect is good, the complex operation in the construction process is avoided, the cost can be greatly reduced, and the transportation and the field assembly are easy. Can reduce utility tunnel prefabricated cost by a wide margin, rationally distributed, both guarantee the function, guarantee the atress again, still compromise production, transportation and the construction of component in addition. The connection of each part is simpler, safer, more efficient and more durable.
Drawings
FIG. 1 is a schematic front view of a symmetrical horseshoe-shaped fabricated concrete tunnel according to the present invention;
FIG. 2 is a schematic view of the assembled concrete tunnel member of the present invention in a split state;
FIG. 3 is a side sectional view of a symmetrical horseshoe-shaped fabricated concrete tunnel according to the present invention;
FIG. 4 is a schematic diagram of the steel bar lapping at the corner points of the symmetrical horseshoe-shaped fabricated concrete tunnel according to the present invention;
FIG. 5 is a schematic view of the vertical steel bar lapping of the symmetrical horseshoe-shaped fabricated concrete tunnel of the present invention;
FIG. 6 is a 3D schematic diagram of a steel bar mesh at the corner point of the symmetrical horseshoe-shaped fabricated concrete tunnel according to the present invention;
FIG. 7 is a schematic view of the adjustment of the vertical shell plate of the symmetrical horseshoe-shaped fabricated concrete tunnel structure of the present invention;
FIG. 8 is a 3D schematic view of an X-shaped stiffener for a symmetrical horseshoe-shaped fabricated concrete tunnel structure according to the present invention;
FIG. 9 is a 3D view of the arc-shaped plate of the symmetrical horseshoe-shaped fabricated concrete tunnel structure of the present invention.
In the figure: 1 is top arched shell plate angular point A, 1-1 is top arched shell plate angular point A web, 1-2 is top arched shell plate angular point A flange, 1-3 is top arched shell plate angular point A steel reinforcement skeleton, 1-3-1 is top arched shell plate angular point A steel reinforcement skeleton overhanging steel reinforcement, 1-4 is top arched shell plate angular point A reserved steel reinforcement hole, 2 is top arched shell plate, 2-1 is top arched shell plate web, 2-2 is top arched shell plate flange, 2-3 is top arched shell plate steel reinforcement skeleton, 2-3-1 is top arched shell plate steel reinforcement skeleton overhanging steel reinforcement, 3 is top arched shell plate angular point B, 3-1 is top arched shell plate B web, 3-2 is top arched shell plate angular point B flange, 4 is a vertical shell plate A, 4-1 is a vertical shell plate A web, 4-2 is a vertical shell plate A flange, 4-3 is a vertical shell plate A steel reinforcement framework, 4-3-1 is vertical shell plate A steel reinforcement framework overhanging steel reinforcement, 4-4 is a vertical shell plate B, 5 is a bottom arched shell plate angular point A,5-1 is a bottom arched shell plate angular point A web, 5-2 is a bottom arched shell plate angular point A flange, 5-3 is a bottom arched shell plate angular point A steel reinforcement framework, 5-3-1 is bottom arched shell plate angular point A steel reinforcement overhanging steel reinforcement, 6 is a bottom arched shell plate, 6-1 is a bottom arched shell plate web, 6-2 is a bottom arched shell plate flange, 7 is a bottom arched shell plate angular point B, 7-1 is a bottom arched shell plate angular point B web, 7-2 is a flange of a corner point B of the bottom arched shell plate, 8 is a grouting layer, 9 is an X-shaped stiffening rib, 9-1 is an X-shaped stiffening rib processing hole, and 10 is an arc plate.
Detailed Description
In order to further illustrate the present invention, the following detailed description of the present invention is given with reference to the accompanying drawings and examples, which should not be construed as limiting the scope of the present invention.
As shown in fig. 1, 2 and 6, the symmetrical horseshoe-shaped fabricated concrete tunnel mainly comprises a top arched shell plate corner point a1, a top arched shell plate 2, a top arched shell plate corner point B3, a vertical shell plate a4, a bottom arched shell plate corner point a5, a bottom arched shell plate 6, a bottom arched shell plate corner point B7 and a grout layer 8, wherein the top arched shell plate corner point a1 comprises a top arched shell plate corner point a web 1-1 and a top arched shell plate corner point a flange 1-2; the structure of the top arched shell plate corner point B3 and the structure of the top arched shell plate corner point A1 are left-right mirror symmetry structures, and the top arched shell plate corner point B3 and the top arched shell plate corner point A1 are arranged in a staggered manner. The height of the top arched shell panel corner point B3 is lower than the height of the top arched shell panel corner point a 1. The top arched shell plate corner point B3 comprises a top arched shell plate corner point B web 3-1 and a top arched shell plate corner point B flange 3-2; the structure of the bottom arched shell plate corner point A5 and the structure of the top arched shell plate corner point A1 are in vertical mirror symmetry, and the bottom arched shell plate corner point A5 and the top arched shell plate corner point A1 are arranged in a staggered mode. The bottom arched shell plate angular point A5 comprises a bottom arched shell plate angular point A web 5-1 and a bottom arched shell plate angular point A flange 5-2; the structure of bottom arch-shaped shell plate corner point B7 and the structure of bottom arch-shaped shell plate corner point A5 are left-right mirror symmetry structures, bottom arch-shaped shell plate corner point B7 and bottom arch-shaped shell plate corner point A5 are arranged in a staggered manner from top to bottom, and the height of bottom arch-shaped shell plate corner point B7 is lower than that of bottom arch-shaped shell plate corner point A5. The bottom arched shell corner points B7 comprise bottom arched shell corner point B webs 7-1 and bottom arched shell corner point B flanges 7-2,
the U-shaped concrete slab components are all of reinforced concrete structures, a steel bar framework is arranged in the prefabricated components, and overhanging steel bars are arranged at the flange of the components. As shown in fig. 2 and 4, the top arched shell plate 2 includes a top arched shell plate web 2-1 and a top arched shell plate flange 2-2, a top arched shell plate corner point a1 and the top arched shell plate 2 are overlapped with the top arched shell plate flange 2-2 along an outer edge line through a top arched shell plate corner point a flange 1-2 and the top arched shell plate flange 2-2, a top arched shell plate reinforcement framework 2-3 is arranged in the top arched shell plate 2, an overhanging reinforcement 2-3-1 of the top arched shell plate reinforcement framework extends into a corresponding reserved reinforcement hole 1-4 of the top arched shell plate corner point a, and a rectangular hole formed when the top arched shell plate flange 2-2 and the top arched shell plate corner point a flange 1-2 are overlapped is a grouting layer 8.
A bottom arched shell plate angular point A steel reinforcement framework 5-3 is arranged in the bottom arched shell plate angular point A5, the flange of the bottom arched shell plate angular point A steel reinforcement framework is provided with a bottom arched shell plate angular point A steel reinforcement overhanging steel reinforcement, the structure of the bottom arched shell plate 6 and the structure of the top arched shell plate 2 are in an up-down mirror symmetry structure, the bottom arched shell plate 6 and the top arched shell plate 2 are arranged in a staggered joint mode, and the bottom arched shell plate 6 comprises a bottom arched shell plate web 6-1 and a bottom arched shell plate flange 6-2; the vertical shell plate A4 comprises a vertical shell plate A web 4-1 and a vertical shell plate A flange 4-2, the vertical shell plate A4 is in lap joint with a top arch shell plate angular point A flange 1-2 and a bottom arch shell plate angular point A flange 5-2 along outer edge lines through the vertical shell plate A flange 4-2 when being in lap joint with the vertical shell plate A flange from top to bottom, a vertical shell plate A steel reinforcement framework 4-3 is arranged in the vertical shell plate A4, a top arch shell plate angular point A steel reinforcement framework 1-3-1 is arranged on the top arch shell plate angular point A1, and as shown in figure 5, the outward extending steel reinforcements 4-3-1 of the vertical shell plate A steel reinforcement framework and the outward extending steel reinforcements 1-3-1 of the top arch shell plate angular point A steel reinforcement framework are correspondingly bound one by one.
The top arched shell plate angular point A flange 1-2, the top arched shell plate flange 2-2, the top arched shell plate angular point B flange 3-2, the bottom arched shell plate angular point A flange 5-2, the bottom arched shell plate flange 6-2 and the bottom arched shell plate angular point B flange 7-2 are all consistent in length and convenient to lap and assemble.
The top arch shell plate angular point A flange 1-2, the top arch shell plate flange 2-2, the top arch shell plate angular point B flange 3-2, the vertical shell plate A flange 4-2, the bottom arch shell plate angular point A flange 5-2, the bottom arch shell plate flange 6-2 and the bottom arch shell plate angular point B flange 7-2 are all consistent in length and one third of the width of a web plate, and a grouting layer 8 reserved in the middle during overlapping is sealed and filled with fine stone concrete.
As shown in fig. 3 and 8, binding and lapping are carried out on the side edges and the bottom surface through overhanging steel bars, after the fine aggregate concrete is sealed, an X-shaped stiffening rib 9 is installed on a flange 4-2 of a vertical shell plate A at the vertical joint, the X-shaped stiffening rib 9 is an X-shaped steel plate, and a processing hole 9-1 of the X-shaped stiffening rib corresponds to a reserved hole of the flange 4-2 of the vertical shell plate A; bolts penetrate through the X-shaped stiffening rib processing holes 9-1 and reserved holes of the flanges 4-2 of the vertical shell plates A to be connected, so that the integrity, the stability and the shearing resistance are enhanced.
The diameters of the top arched shell plate angular point A steel bar skeleton overhanging steel bars 1-3-1, the vertical shell plate A steel bar skeleton overhanging steel bars 4-3-1 and the bottom arched shell plate angular point A steel bar skeleton overhanging steel bars 5-3-1 are less than or equal to 25 mm.
The bottom arched shell plate corner point A5 and the bottom arched shell plate corner point B7 are both L-like shapes and comprise long sides and short sides, and the corner points are in circumferential staggered joint lap joint during assembly, so that the bottom arched shell plate corner point is easy to shear.
As shown in FIG. 7, vertical skin A4 is adjustable to vertical skin B4-4) vertical skin A web 4-1 is lengthened or shortened and vertical skin A flange 4-2 is unchanged in size to accommodate different engineering needs.
As shown in fig. 9, top arched shell panel corner a1, top arched shell panel corner B3, bottom arched shell panel corner a5, and bottom arched shell panel corner B7 are prefabricated with curved panels 10 added on both sides of the corner to strengthen the corner.
The symmetrical horseshoe-shaped assembled concrete tunnel has the advantages that the top is arched, the bottom is reversely arched, and the corner strength is easily enhanced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a symmetry horseshoe-shaped assembled concrete tunnel which characterized in that: the corner point A (1) of the top arched shell plate comprises a top arched shell plate corner point A (1), a top arched shell plate (2), a top arched shell plate corner point B (3), a vertical shell plate A (4), a bottom arched shell plate corner point A (5), a bottom arched shell plate (6), a bottom arched shell plate corner point B (7) and a grouting layer (8), wherein the top arched shell plate corner point A (1) comprises a top arched shell plate corner point A web (1-1) and a top arched shell plate corner point A flange (1-2); the top arched shell plate angular point B (3) comprises a top arched shell plate angular point B web (3-1) and a top arched shell plate angular point B flange (3-2); the bottom arched shell plate angular point A (5) comprises a bottom arched shell plate angular point A web (5-1) and a bottom arched shell plate angular point A flange (5-2); the bottom arched shell plate angular point B (7) comprises a bottom arched shell plate angular point B web (7-1) and a bottom arched shell plate angular point B flange (7-2), the top arched shell plate (2) comprises a top arched shell plate web (2-1) and a top arched shell plate flange (2-2), the top arched shell plate angular point A (1) and the top arched shell plate (2) are in lap joint along an outer edge line through the top arched shell plate angular point A flange (1-2) and the top arched shell plate flange (2-2), a top arched shell plate steel rib framework (2-3) is arranged in the top arched shell plate (2), an overhanging steel bar (2-3-1) of the top arched shell plate steel rib framework extends into a reserved steel bar hole (1-4) of the corresponding top arched shell plate angular point A, a grouting layer (8) is a rectangular hole formed when the top arched shell plate flange (2-2) and the top arched shell plate corner point A flange (1-2) are in lap joint;
a bottom arched shell plate angular point A steel bar skeleton (5-3) is arranged in the bottom arched shell plate angular point A (5), an outward extending steel bar of the bottom arched shell plate angular point A steel bar skeleton is arranged at the flange of the bottom arched shell plate angular point A, and the bottom arched shell plate (6) comprises a bottom arched shell plate web plate (6-1) and a bottom arched shell plate flange (6-2); the vertical wrapper plate A (4) comprises a vertical wrapper plate A web (4-1) and a vertical wrapper plate A flange (4-2), the vertical shell plate A (4) is respectively lapped with a top arch shell plate angular point A flange (1-2) and a bottom arch shell plate angular point A flange (5-2) along an outer edge line through a vertical shell plate A flange (4-2) when being lapped with the vertical shell plate A up and down, a steel bar framework (4-3) of the vertical shell plate A is arranged in the vertical shell plate A (4), and the top arched shell plate angular point A (1) is provided with a top arched shell plate angular point A steel bar skeleton (1-3-1), and the external steel bars (4-3-1) of the steel bar skeleton of the vertical shell plate A are correspondingly bound with the external steel bars (1-3-1) of the steel bar skeleton of the top arched shell plate angular point A one by one.
2. The symmetrical horseshoe fabricated concrete tunnel of claim 1, wherein: the lengths of the top arched shell plate angular point A flange (1-2), the top arched shell plate flange (2-2), the top arched shell plate angular point B flange (3-2), the bottom arched shell plate angular point A flange (5-2), the bottom arched shell plate flange (6-2) and the bottom arched shell plate angular point B flange (7-2) are all the same.
3. The symmetrical horseshoe fabricated concrete tunnel of claim 1, wherein: the top arch shell plate corner point A flange (1-2), the top arch shell plate flange (2-2), the top arch shell plate corner point B flange (3-2), the vertical shell plate A flange (4-2), the bottom arch shell plate corner point A flange (5-2), the bottom arch shell plate flange (6-2) and the bottom arch shell plate corner point B flange (7-2) are all consistent in length, the width is one third of the width of a web plate of the vertical shell plate A flange, and a grouting layer (8) reserved in the middle during lapping is sealed and filled with fine stone concrete.
4. The symmetrical horseshoe fabricated concrete tunnel of claim 1, wherein: installing an X-shaped stiffening rib (9) on a flange (4-2) of the vertical shell plate A, wherein the X-shaped stiffening rib (9) is an X-shaped steel plate, and a processing hole (9-1) of the X-shaped stiffening rib corresponds to a reserved hole of the flange (4-2) of the vertical shell plate A; bolts penetrate through the X-shaped stiffening rib processing holes (9-1) and reserved holes of the flange A (4-2) of the vertical shell plate to be connected.
5. The symmetrical horseshoe fabricated concrete tunnel of claim 1, wherein: the diameters of the top arched shell plate angular point A steel bar skeleton overhanging steel bar (1-3-1), the vertical shell plate A steel bar skeleton overhanging steel bar (4-3-1) and the bottom arched shell plate angular point A steel bar skeleton overhanging steel bar (5-3-1) are less than or equal to 25 mm.
6. The symmetrical horseshoe fabricated concrete tunnel of claim 1, wherein: the bottom arched shell plate angular point A (5) and the bottom arched shell plate angular point B (7) are both L-like.
7. The symmetrical horseshoe fabricated concrete tunnel of claim 1, wherein: the vertical skin A web (4-1) can be lengthened or shortened.
8. The symmetrical horseshoe fabricated concrete tunnel of claim 1, wherein: arc plates (10) are added to two sides of a corner when a top arched shell plate corner point A (1), a top arched shell plate corner point B (3), a bottom arched shell plate corner point A (5) and a bottom arched shell plate corner point B (7) are prefabricated.
9. The symmetrical horseshoe fabricated concrete tunnel of claim 1, wherein: the top is arched and the bottom is inverted arched.
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| CN202010125611.4A CN111101971B (en) | 2020-02-27 | 2020-02-27 | Symmetrical horseshoe-shaped assembled concrete tunnel |
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| CN202010125611.4A CN111101971B (en) | 2020-02-27 | 2020-02-27 | Symmetrical horseshoe-shaped assembled concrete tunnel |
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| CN111101971B CN111101971B (en) | 2024-06-18 |
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| CN212177148U (en) * | 2020-02-27 | 2020-12-18 | 张延年 | Symmetrical horseshoe-shaped assembled concrete tunnel |
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| KR20070072417A (en) * | 2005-12-29 | 2007-07-04 | 박봉기 | Panel module for tunnel lining and method of tunnel lining using the same |
| CN101725361A (en) * | 2009-11-11 | 2010-06-09 | 孙天明 | Corrugated steel web reinforced concrete tunnel and underground structural unit |
| EP3521557A1 (en) * | 2018-01-31 | 2019-08-07 | ICW Ingenieur Consult Würzburg Peter Hofstetter | Multi-function frame for tubular structures |
| CN108915734A (en) * | 2018-06-18 | 2018-11-30 | 苏州大学 | A kind of corrugated steel-Combined concrete supporting construction and its construction method |
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| CN212177148U (en) * | 2020-02-27 | 2020-12-18 | 张延年 | Symmetrical horseshoe-shaped assembled concrete tunnel |
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