CN209975569U - Side vertical plate of dry construction assembly type concrete arch structure - Google Patents
Side vertical plate of dry construction assembly type concrete arch structure Download PDFInfo
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- CN209975569U CN209975569U CN201920250305.6U CN201920250305U CN209975569U CN 209975569 U CN209975569 U CN 209975569U CN 201920250305 U CN201920250305 U CN 201920250305U CN 209975569 U CN209975569 U CN 209975569U
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Abstract
The utility model discloses dry construction fabricated concrete arch structure side vertical plate is divided into a vertical plate section, an overhanging inclined section and a bottom installation reinforcing section, wherein the vertical plate section is vertical, and the top of the overhanging inclined section extends outwards in an inclined way; the bottom installation reinforcing section is vertical, the thickness is increased, and the inner layer and the outer layer both protrude outwards to form installation stepped openings; at the end of the outward extending inclined section, a middle layer right-angle reinforcing tenon is arranged in the middle, the outer layer part is an outer layer vertical flat port, and the inner layer part is an inner layer vertical flat port. The utility model discloses can save the template, improve the construction condition when making, improve productivity, accelerate the construction progress, guarantee the engineering quality. The arch slab without intermediate support can be provided for large-scale, large-span and large-section tunnels. Because the serial structures of the outer layer vertical and flat port, the inner layer vertical and flat port, the middle layer right-angle reinforced tenon, the horizontal plane of the tenon, the vertical plane of the tenon and the like are adopted, the longitudinal and circumferential shear resistance of the vault is improved; in particular, the arch-shaped multidirectional tenon of the arch top forms an integral arch.
Description
Technical Field
The utility model belongs to the technical field of urban underground road engineering and municipal facilities, especially, relate to a dry-type construction assembled concrete arch structure side riser.
Background
At present, urban traffic construction is as good as possible, with the further promotion of the strategy of comprehensive pipe galleries and sponge cities by the nation, the major cities and the middle-sized cities in China must start a new turn of climax of underground engineering construction, and due to scarcity of underground spaces, the urban underground comprehensive body integrating urban underground comprehensive pipe galleries, urban underground express highways and urban underground building spaces is in great demand.
The development and construction of underground spaces in japan and europe and america are leading, and the concept of integrated and three-dimensional development of underground cities and urban underground spaces was first advocated and proposed, and the tokyo declaration was proposed in 1990: the underground space is vigorously developed, a new human cave age is started, and the international association of tunnels is expanded to the association of tunnels and underground spaces in 2010 and announces that: the 21 st century is the century of underground spaces.
For the international metropolis, the development mode of the thickened and expanded and spread large-cake city is an intensive and three-dimensional mode, and space is needed underground; the total amount of resources and environments such as urban land, air, water source, green land, per capita urban space, energy, environment and the like are broken through; comprehensively remedying the urban diseases which are fatally brought to death, such as traffic jam, air turbidity, noise pollution, visual pollution, urban sea-seeing, insufficient greening, real estate and financial transformation, activity reduction of old urban areas and the like; china manufacture is changed into China creation, and an internationally leading high-end industrial cluster is cultivated.
The development and utilization history of the underground space of foreign cities is long, and the underground space is mostly represented by an underground space complex type integrating large underground transportation hubs, commercial facilities, parking lots and various transportation modes. Internationally, the development and construction of underground spaces in Japan and Europe and America are leading, and the first advocates and proposes the comprehensive and three-dimensional development concept of underground cities and urban underground spaces. Generally, underground space complexes including various traffic modes or various functions appear in many countries, and urban underground complex types including urban underground comprehensive pipe galleries, urban underground expressways and urban underground building spaces are not seen yet. Therefore, the development of underground space complex is urgently needed to adapt to national green building and sustainable development strategy.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at solves underground tunnel engineering's assembly problem, especially solves the assembly problem of large-span, large-scale, large cross-section tunnel vault.
In order to realize the purpose, the utility model discloses a technical scheme be:
a side vertical plate of a dry construction assembly type concrete arch structure comprises a vertical plate section, an outward extending inclined section, a bottom mounting reinforcing section, an outer layer vertical flat port, an inner layer vertical flat port, a middle layer right-angle reinforcing tenon, a tenon horizontal plane, a tenon vertical plane, an outer layer bending steel bar, an inner layer straight arc steel bar, staggered stirrups, a multidirectional reinforcing middle radian steel plate, a bottom connection reinforcing vertical annular rib, a bottom connection reinforcing horizontal stirrup, an end annular rib, a connecting notch, a connecting screw hole and a mounting stepped port;
the side vertical plate of the dry construction fabricated concrete arch structure is divided into a vertical plate section, an overhanging inclined section and a bottom installation reinforcing section, wherein the vertical plate section is vertical, the overhanging inclined section obliquely extends outwards from the top of the vertical plate section, the inner surface of the overhanging inclined section is arc-shaped and is in smooth transition with the inner surface of the vertical plate section, and the outer surface of the overhanging inclined section is a plane and forms a bending angle with the vertical plate section; the bottom of the vertical plate section is provided with a reinforcing section, the thickness of the reinforcing section is increased, the inner layer and the outer layer both protrude outwards, the top of the reinforcing section is arranged at the bottom of the vertical plate section, mounting stepped openings with equal thickness are formed at the inner side and the outer side of the bottom of the vertical plate section, a connecting screw hole is formed downwards from the top surface of the mounting stepped opening, and the connecting screw hole is vertically opened to the low end;
the middle layer right-angle reinforcing tenon is arranged at the end part of the outward extending inclined section, and the thickness of the middle layer right-angle reinforcing tenon is one third to one half of the thickness of the outward extending inclined section; the middle layer right-angle reinforcing tenon is a right-angle tenon, wherein the edge close to one side of the outer layer is horizontal and is a tenon horizontal plane; the edge close to the inner layer is vertical and is a tenon vertical surface; the outer layer part of the middle layer right-angle reinforced tenon is an outer layer vertical and flat port, and the inner layer part of the middle layer right-angle reinforced tenon is an inner layer vertical and flat port; the end surfaces of the outer layer vertical flat port and the inner layer vertical flat port are in a plane, are in the normal direction of the arc shape of the inner surface of the outward extending inclined section and are vertical to the outer surface;
the outer layer of the side vertical plate of the dry construction fabricated concrete arch structure is provided with a plurality of outer layer bending reinforcing steel bars which are uniformly distributed, the thickness of the protective layer of the outer layer bending reinforcing steel bars in the vertical plate section and the overhanging inclined section is the same, the outer layer bending reinforcing steel bars are vertically in line in the bottom installation reinforcing section and the vertical plate section,
arranging a plurality of uniformly distributed inner layer straight arc steel bars on the inner layer of the side vertical plate of the dry construction fabricated concrete arch structure, wherein the outer layer bent steel bars and the inner layer straight arc steel bars are in one-to-one correspondence;
the two adjacent outer-layer bent steel bars and the two corresponding inner-layer straight-arc steel bars are respectively provided with a plurality of uniformly distributed staggered stirrups for hooping the outer-layer bent steel bars and the inner-layer straight-arc steel bars in a group, and the staggered stirrups in adjacent rows are staggered mutually;
a plurality of bottom connection reinforced vertical ring ribs which are uniformly distributed are arranged in the bottom installation reinforcing section, the bottom connection reinforced vertical ring ribs are perpendicular to the plate surface of the bottom installation reinforcing section, and bottom connection reinforced horizontal stirrups are arranged to hoop two groups of the bottom connection reinforced vertical ring ribs;
the end ring ribs hoop outer-layer bent steel bars and inner-layer straight arc steel bars between the multidirectional reinforced middle radian steel plates;
the end parts of root outer layer bent steel bars and root inner layer straight arc steel bars at two side ends of the side vertical plates of the dry construction fabricated concrete arch structure are respectively welded with the multidirectional reinforced middle radian steel plate, the middle arc sections of the multidirectional reinforced middle radian steel plate protrude outwards, and the middle arc sections correspond to the middle layer right-angle reinforced tenons;
connecting notches are respectively arranged on the inner surface and the outer surface corresponding to the multi-directional reinforced middle radian steel plate,
the connecting notch is in an isosceles trapezoid shape, the longer bottom edge of the connecting notch is provided with a groove to the end straight plate of the steel plate with the multidirectional reinforced middle radian, and the groove to the depth direction is provided to the junction of the middle arc section of the steel plate with the multidirectional reinforced middle radian and the end straight plate; connecting screw holes are respectively formed in the end parts of the steel plates, and the connecting screw holes penetrate through steel plate screw holes in the multi-direction reinforced middle radian steel plates;
connecting notches are formed in the inner surface of the vertical plate section and between two inner-layer straight arc steel bars at two side ends respectively, the connecting notches are isosceles trapezoids, and the longer bottom edges point to the longitudinal end parts; the depth of the grooves of the connecting notches is the same, the connecting screw holes are formed in the longitudinal end portions of the connecting notches, the connecting screw holes are located in the inner layer of the outer-layer bent reinforcing steel bar, and the connecting screw holes are located in the outer layer of the inner-layer straight arc reinforcing steel bar.
Furthermore, the multidirectional reinforced middle radian steel plate comprises a middle arc section, an end straight plate, a rib penetrating welding point and a steel plate screw hole;
the multi-directional reinforced middle radian steel plate is divided into sections, the middle section is a middle arc section, and two ends of the middle arc section are end straight plates; the length of the end straight plates is equal, and the distance between the ends of the middle arc sections is one third to one half of the length of the end straight plates; round holes are respectively arranged at the corners of the multi-direction reinforced middle radian steel plate, and the round holes are rib penetrating welding spots; and a steel plate screw hole is formed in the middle of the bar penetrating welding point of each end straight plate, and the steel plate screw hole is aligned with the outer side of the round hole of the bar penetrating welding point.
Furthermore, a plurality of bottom installation reinforcing sections are arranged at the bottom of the vertical plate section at equal intervals.
Advantageous effects
The beneficial effects of the utility model are that can save the template, improve the construction condition when making, improve productivity for the construction progress guarantees the engineering quality. The arch bar without intermediate support can be provided for the tunnel with large scale, large span and large section. Because the serial structures of the outer layer vertical and flat port, the inner layer vertical and flat port, the middle layer right-angle reinforced tenon, the horizontal plane of the tenon, the vertical plane of the tenon and the like are adopted, the longitudinal and circumferential shearing resistance of the vault is improved; in particular, the arch-shaped multidirectional tenon of the arch top forms an integral arch.
Drawings
FIG. 1 is a schematic longitudinal end view of a reinforcement of a side vertical plate of a dry construction fabricated concrete arch structure;
FIG. 2 is a schematic view showing the expansion of the inner surface of the reinforcement of the side vertical plate of the dry construction fabricated concrete arch structure;
FIG. 3 is a schematic top end view of a side vertical plate of a dry construction fabricated concrete arch structure;
FIG. 4 is a schematic view of the end surface of the bottom end of a side vertical plate of a dry construction fabricated concrete arch structure;
FIG. 5 is a schematic view of the side end of a multi-way reinforced middle camber steel plate;
fig. 6 is a schematic front view of a multi-way reinforced middle radian steel plate.
In the figure: 1 is a vertical plate section; 2 is an outward extending inclined section; 3, a reinforcing section is arranged at the bottom; 4 is an outer layer vertical flat port; 5 is an inner layer vertical flat port; 6 is a middle layer right angle reinforced tenon; 7 is a tenon horizontal plane; 8 is a tenon vertical surface; 9 is an outer layer bending reinforcing steel bar; 10 is an inner layer straight arc steel bar; 11 is a staggered stirrup; 12 is a multi-directional reinforced middle radian steel plate; 13 is a bottom connection reinforced vertical ring rib; 14 is a bottom connection reinforced horizontal stirrup; 15 is an end ring rib; 16 is a connecting notch; 17 is a connecting screw hole; and 18 is a mounting stepped port.
12-1 is a middle arc section; 12-2 is an end straight plate; 12-3 are through rib welding spots; 12-4 are steel plate screw holes.
The specific implementation mode is as follows:
for further explanation of the present invention, the following detailed description of the present invention is provided with reference to the drawings and examples, which should not be construed as limiting the scope of the present invention.
A side vertical plate of a dry construction fabricated concrete arch structure is shown in figure 1 ~ figure 6 and comprises a vertical plate section 1, an outward extending inclined section 2, a bottom installation reinforcing section 3, an outer layer vertical flat port 4, an inner layer vertical flat port 5, a middle layer right-angle reinforcing tenon 6, a tenon horizontal plane 7, a tenon vertical plane 8, an outer layer bending steel bar 9, an inner layer straight arc steel bar 10, a staggered stirrup 11, a multidirectional reinforcing middle radian steel plate 12, a bottom connection reinforcing vertical ring bar 13, a bottom connection reinforcing horizontal stirrup 14, an end part ring bar 15, a connecting notch 16, a connecting screw hole 17 and a mounting stepped port 18;
the side vertical plate of the dry construction fabricated concrete arch structure is divided into a vertical plate section 1, an overhanging inclined section 2 and a bottom installation reinforcing section 3, wherein the vertical plate section 1 is vertical, the overhanging inclined section 2 obliquely extends outwards from the top of the vertical plate section 1, the inner surface of the overhanging inclined section 2 is arc-shaped and is in smooth transition with the inner surface of the vertical plate section 1, and the outer surface of the overhanging inclined section 2 is a plane and forms a bending angle with the vertical plate section 1; the bottom of the vertical plate section 1 is provided with the reinforcing section 3, the thickness is increased, the inner layer and the outer layer both protrude outwards, the top of the reinforcing section 3 is arranged at the bottom of the vertical plate section 1, mounting stepped openings 18 with equal thickness are formed at the inner side and the outer side of the bottom of the vertical plate section 1, the top surface of each mounting stepped opening 18 is provided with a connecting screw hole 17 downwards, and each connecting screw hole 17 is vertically opened to the lower end;
the middle layer right-angle reinforcing tenon 6 is arranged in the middle of the end part of the outward extending inclined section 2, and the thickness of the middle layer right-angle reinforcing tenon 6 is one third to one half of the thickness of the outward extending inclined section 2; the middle layer right-angle reinforcing tenon 6 is a right-angle tenon, wherein the edge close to one side of the outer layer is horizontal and is a tenon horizontal plane 7; the edge close to the inner layer is vertical and is a tenon vertical surface 8; the outer layer of the middle layer right-angle reinforced tenon 6 is an outer layer vertical and flat port 4, and the inner layer of the middle layer right-angle reinforced tenon 6 is an inner layer vertical and flat port 5; the end surfaces of the outer layer vertical flat port 4 and the inner layer vertical flat port 5 are in a plane, are in the arc normal direction of the inner surface of the outward extending inclined section 2 and are vertical to the outer surface;
the outer layer of the side vertical plate of the dry construction fabricated concrete arch structure is provided with a plurality of outer layer bending reinforcing steel bars 9 which are uniformly distributed, the thickness of the protective layer of the outer layer bending reinforcing steel bars 9 in the vertical plate section 1 and the overhanging inclined section 2 is the same, the outer layer bending reinforcing steel bars 9 are vertically in line in the bottom installation reinforcing section 3 and the vertical plate section 1,
arranging a plurality of uniformly distributed inner layer straight arc steel bars 10 on the inner layer of the side vertical plate of the dry construction fabricated concrete arch structure, wherein the outer layer bent steel bars 9 and the inner layer straight arc steel bars 10 correspond to each other one by one;
the two adjacent outer-layer bent steel bars 9 and the two corresponding inner-layer straight-arc steel bars 10 are respectively provided with a plurality of uniformly distributed staggered stirrups 11 for hooping a group of the outer-layer bent steel bars 9 and the inner-layer straight-arc steel bars 104, and the staggered stirrups 11 in adjacent rows are staggered with each other;
a plurality of bottom connecting and reinforcing vertical annular ribs 13 which are uniformly distributed are arranged in the bottom mounting and reinforcing section 3, the bottom connecting and reinforcing vertical annular ribs 13 are vertical to the plate surface of the bottom mounting and reinforcing section 3, and bottom connecting and reinforcing horizontal stirrups 14 are arranged to hoop two groups of the bottom connecting and reinforcing vertical annular ribs 13;
the end ring ribs 15 hoop the outer layer bent steel bars 9 and the inner layer straight arc steel bars 10 between the multidirectional reinforced middle radian steel plates 12;
the end parts of 2 outer-layer bent steel bars 9 and 2 inner-layer straight arc steel bars 10 at two side ends of a side vertical plate of the dry construction fabricated concrete arch structure are respectively welded with a multidirectional reinforced middle radian steel plate 12, a middle arc section 12-1 of the multidirectional reinforced middle radian steel plate 12 protrudes outwards, and the middle arc section 12-1 corresponds to a middle-layer right-angle reinforced tenon 6;
the corresponding inner surface and the outer surface of the multi-directional reinforced middle radian steel plate 12 are respectively provided with a connecting notch 16,
the connecting notch 16 is an isosceles trapezoid, the longer bottom edge is provided with a groove at the most to strengthen the end straight plate 12-2 of the middle radian steel plate 12, and the depth direction is provided with a groove at the most to strengthen the junction of the middle arc section 12-1 of the middle radian steel plate 12 and the end straight plate 12-2; connecting screw holes 17 are respectively formed in the end parts of the steel plates, and the connecting screw holes 17 penetrate through steel plate screw holes 12-4 in the multi-direction reinforced middle radian steel plate 12;
a connecting notch 16 is formed between two inner layer straight arc steel bars 10 at two side ends of the inner surface of the vertical plate section 1, the connecting notch 16 is in an isosceles trapezoid shape, and the longer bottom edge points to the longitudinal end part; the connecting notches 16 are the same in grooving depth, connecting screw holes 17 are formed in the longitudinal end portions of the connecting notches 16, the connecting screw holes 17 are located in the inner layer of the outer-layer bent reinforcing steel bars 9, and the connecting screw holes 17 are located in the outer layer of the inner-layer straight arc reinforcing steel bars 10.
The multi-directional enhanced middle radian steel plate 12 comprises a middle arc section 12-1, an end straight plate 12-2, a reinforcement penetrating welding point 12-3 and a steel plate screw hole 12-4;
the multi-directional reinforced middle radian steel plate 12 is divided into 3 sections, the middle section is a middle arc section 12-1, and two ends of the middle arc section 12-1 are both end straight plates 12-2; the end straight plates 12-2 are equal in length, and the distance between the ends of the middle arc sections 12-1 is one third to one half of the length of the end straight plates 12-2; round holes are respectively arranged at 4 corners of the multi-direction reinforced middle radian steel plate 12, and the round holes are rib penetrating welding points 12-3; a steel plate screw hole 12-4 is arranged in the middle of the bar penetrating welding point 12-3 of each end straight plate 12-2, and the steel plate screw hole 12-4 is aligned with the outer side of the round hole of the bar penetrating welding point 12-3.
A plurality of bottom installation reinforcing sections 3 are arranged at the bottom of the vertical plate section 1 at equal intervals.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of 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 (3)
1. The utility model provides a dry construction assembled concrete arch structure side riser, including vertical plate section (1), overhanging slope section (2), bottom installation strengthening section (3), outer perpendicular flat port (4), inlayer perpendicular flat port (5), middle level right angle reinforcing tenon (6), tenon horizontal plane (7), the vertical face of tenon (8), outer reinforcing bar of buckling (9), inlayer straight arc reinforcing bar (10), crisscross stirrup (11), radian steel sheet (12) in the middle of the multidirectional reinforcing, the vertical ring muscle of reinforcing (13) is connected to the bottom, reinforcing horizontal stirrup of bottom connection (14), tip ring muscle (15), connect notch (16), connect screw (17), installation notch (18), its characterized in that:
the side vertical plate of the dry construction fabricated concrete arch structure is divided into a vertical plate section (1), an overhanging inclined section (2) and a bottom installation reinforcing section (3), wherein the vertical plate section (1) is vertical, the overhanging inclined section (2) obliquely and outwards extends out of the top of the vertical plate section (1), the inner surface of the overhanging inclined section (2) is arc-shaped and is in smooth transition with the inner surface of the vertical plate section (1), the outer surface of the overhanging inclined section (2) is a plane, and a bending angle is formed between the overhanging inclined section and the vertical plate section (1); the bottom of the vertical plate section (1) is provided with the reinforcing section (3), the thickness is increased, the inner layer and the outer layer both protrude outwards, the top of the reinforcing section (3) is arranged at the bottom of the vertical plate section (1), mounting stepped openings (18) with equal thickness are formed in the inner side and the outer side of the bottom of the vertical plate section (1), the top surface of each mounting stepped opening (18) is provided with a connecting screw hole (17) downwards, and the connecting screw holes (17) are vertically opened to the low end;
a middle layer right-angle reinforcing tenon (6) is arranged in the middle of the end part of the outward extending inclined section (2), and the thickness of the middle layer right-angle reinforcing tenon (6) is one third to one half of the thickness of the outward extending inclined section (2); the middle layer right-angle reinforcing tenon (6) is a right-angle tenon, wherein the edge close to one side of the outer layer is horizontal and is a tenon horizontal plane (7); the edge close to the inner layer is vertical and is a tenon vertical surface (8); the outer layer of the middle layer right-angle reinforced tenon (6) is an outer layer vertical flat port (4), and the inner layer of the middle layer right-angle reinforced tenon (6) is an inner layer vertical flat port (5); the end surfaces of the outer layer vertical flat port (4) and the inner layer vertical flat port (5) are in a plane, are in the arc normal direction of the inner surface of the outward extending inclined section (2), and are vertical to the outer surface;
the outer layer of the side vertical plate of the dry construction fabricated concrete arch structure is provided with a plurality of outer layer bending reinforcing steel bars (9) which are uniformly distributed, the thickness of the protective layer of the outer layer bending reinforcing steel bars (9) in the vertical plate section (1) and the outer extending inclined section (2) is the same, the outer layer bending reinforcing steel bars (9) are vertically arranged in the reinforcing section (3) at the bottom and the vertical plate section (1) to form a straight line,
a plurality of uniformly distributed inner layer straight arc steel bars (10) are arranged on the inner layer of the side vertical plate of the dry construction fabricated concrete arch structure, and the outer layer bending steel bars (9) and the inner layer straight arc steel bars (10) are in one-to-one correspondence;
the two adjacent outer-layer bent steel bars (9) and the two corresponding inner-layer straight-arc steel bars (10) are respectively provided with a plurality of uniformly distributed staggered stirrups (11) to hoop the outer-layer bent steel bars (9) and the inner-layer straight-arc steel bars (10) in a group of 4 groups, and the staggered stirrups (11) in adjacent rows are staggered with each other;
a plurality of bottom connecting and reinforcing vertical ring ribs (13) which are uniformly distributed are arranged in the bottom mounting reinforcing section (3), the bottom connecting and reinforcing vertical ring ribs (13) are perpendicular to the plate surface of the bottom mounting reinforcing section (3), and bottom connecting and reinforcing horizontal stirrups (14) are arranged to hoop two groups of the bottom connecting and reinforcing vertical ring ribs (13);
the end part ring reinforcements (15) hoop the outer layer bent reinforcements (9) and the inner layer straight arc reinforcements (10) between the multidirectional reinforced middle radian steel plates (12);
the end parts of 2 outer-layer bent steel bars (9) and 2 inner-layer straight arc steel bars (10) at two side ends of a side vertical plate of the dry construction fabricated concrete arch structure are respectively welded with a multidirectional reinforced middle radian steel plate (12), a middle arc section (12-1) of the multidirectional reinforced middle radian steel plate (12) protrudes outwards, and the middle arc section (12-1) corresponds to a middle-layer right-angle reinforced tenon (6);
connecting notches (16) are respectively arranged on the corresponding inner surface and the outer surface of the multi-directional reinforced middle radian steel plate (12),
the connecting notch (16) is in an isosceles trapezoid shape, the longer bottom edge of the connecting notch is provided with a straight end plate (12-2) which is at most used for reinforcing the middle radian steel plate (12) in the multidirectional mode, and the connecting notch is provided with a groove in the depth direction at most used for reinforcing the junction of the middle arc section (12-1) of the middle radian steel plate (12) and the straight end plate (12-2); connecting screw holes (17) are respectively formed in the end parts of the steel plates, and the connecting screw holes (17) penetrate through steel plate screw holes (12-4) in the multi-direction reinforced middle radian steel plate (12);
a connecting notch (16) is formed between two inner-layer straight arc steel bars (10) at two side ends of the inner surface of the vertical plate section (1), the connecting notch (16) is in an isosceles trapezoid shape, and the longer bottom edge points to the longitudinal end part; the depth of the grooves of the connecting notches (16) is the same, the connecting notches (16) are provided with connecting screw holes (17) towards the longitudinal end part, the connecting screw holes (17) are positioned on the inner layer of the outer-layer bent reinforcing steel bar (9), and the connecting screw holes (17) are positioned on the outer layer of the inner-layer straight arc reinforcing steel bar (10).
2. The dry construction fabricated concrete arch structure side riser of claim 1, wherein: the multi-directional reinforced middle radian steel plate (12) comprises a middle arc section (12-1), an end straight plate (12-2), a rib penetrating welding point (12-3) and a steel plate screw hole (12-4);
the multi-directional reinforced middle radian steel plate (12) is divided into 3 sections, the middle section is a middle arc section (12-1), and two ends of the middle arc section (12-1) are both end straight plates (12-2); the length of the end straight plate (12-2) is equal, and the distance between the ends of the middle arc section (12-1) is one third to one half of the length of the end straight plate (12-2); round holes are respectively arranged at 4 corners of the multi-direction reinforced middle radian steel plate (12), and the round holes are rib penetrating welding points (12-3); a steel plate screw hole (12-4) is formed in the middle of the bar penetrating welding point (12-3) of each end straight plate (12-2), and the steel plate screw hole (12-4) is aligned with the outer side of the round hole of the bar penetrating welding point (12-3).
3. The dry construction fabricated concrete arch structure side riser of claim 1, wherein: a plurality of bottom installation reinforcing sections (3) are arranged at the bottom of the vertical plate section (1) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920250305.6U CN209975569U (en) | 2019-02-28 | 2019-02-28 | Side vertical plate of dry construction assembly type concrete arch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920250305.6U CN209975569U (en) | 2019-02-28 | 2019-02-28 | Side vertical plate of dry construction assembly type concrete arch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209975569U true CN209975569U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920250305.6U Expired - Fee Related CN209975569U (en) | 2019-02-28 | 2019-02-28 | Side vertical plate of dry construction assembly type concrete arch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209975569U (en) |
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2019
- 2019-02-28 CN CN201920250305.6U patent/CN209975569U/en not_active Expired - Fee Related
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