CN210127857U - Steel beam-concrete combined assembly type tunnel component suitable for highway tunnel - Google Patents
Steel beam-concrete combined assembly type tunnel component suitable for highway tunnel Download PDFInfo
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- CN210127857U CN210127857U CN201921011181.2U CN201921011181U CN210127857U CN 210127857 U CN210127857 U CN 210127857U CN 201921011181 U CN201921011181 U CN 201921011181U CN 210127857 U CN210127857 U CN 210127857U
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Abstract
The utility model discloses a girder steel-concrete combination assembled tunnel component suitable for highway tunnel forms through the assembly concatenation of a plurality of festival section, and every festival section includes 8 prefabricated component, and prefabricated component is the bar and the cross-section is the arc, and 8 prefabricated component can splice into the cylindric secondary lining who matches with the tunnel through first connecting piece. The member can be prefabricated fast, is convenient to transport and assemble, greatly shortens the tunnel construction time, reduces the manufacturing cost, can ensure the construction quality, and is more attractive in appearance.
Description
Technical Field
The utility model relates to a road traffic is under construction fast and standardized technical field, specifically is applied to the construction of highway tunnel, concretely relates to girder steel-concrete combination assembled tunnel component suitable for highway tunnel.
Background
The construction method has the advantages that the conventional secondary lining construction of the highway tunnel usually has the following problems that firstly, a common template is adopted, the construction speed is slow, the appearance quality of concrete molding is poor, and the later repair engineering quantity of the concrete surface is large; secondly, the construction site is messy, and civilized construction is difficult to control; thirdly, the second lining side wall is not effectively connected with the inverted arch, most angles of the second lining arch fall on the backfilling of the inverted arch, the second lining arch is not connected with the lining of the inverted arch, and the stress of the second lining ring is influenced; fourthly, some construction units steal labor and reduce materials, do not construct the tunnel inverted arch secondary lining at all, cover through inverted arch backfill after direct excavation, and seriously influence the whole structure and the safety of the tunnel. How to effectively control the construction progress and quality of the secondary lining of the tunnel is a key factor for controlling project period, construction cost and safety.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a girder steel-concrete combination assembled tunnel component suitable for highway tunnel, this component can be prefabricated fast, and the transportation and the assembly of being convenient for shorten tunnel construction time, reduce the cost greatly, and can guarantee construction quality, prefabricated component outward appearance is also more pleasing to the eye.
The utility model discloses a following technical scheme realizes:
the utility model provides a girder steel-concrete combination assembled tunnel component suitable for highway tunnel forms through a plurality of segmental assembly concatenation, and every segmental includes 8 prefabricated component, and the prefabricated component is the bar and the cross-section is the arc, and 8 prefabricated component can splice into the cylindric secondary lining who matches with the tunnel through first connecting piece.
The utility model discloses in, with highway tunnel secondary lining, divide into 8 prefabricated components to convenient transportation and on-the-spot are assembled fast, can prefabricate in batches at the mill in advance, transport to the downthehole machinery and assemble, can adapt to the grade road and the highway tunnel section of arbitrary building limit, shorten tunnel engineering time, reduce the cost greatly, and can guarantee construction quality, the prefabricated component outward appearance is also comparatively pleasing to the eye.
Furthermore, the free surface of the prefabricated part is a refractory concrete layer, the other 5 surfaces are steel plates, the refractory concrete layer and the 5 steel plates form a pouring cavity in a surrounding mode, a plurality of I-shaped steel beams are arranged in the pouring cavity, and a grouting hole is reserved in the refractory concrete layer.
The utility model discloses in, the prefabricated component faces the sky face and is fire-resistant concrete layer, effectively improves the refractiveness and the security in tunnel, and all the other 5 faces are the steel sheet, make things convenient for the installation and the rapid Assembly of all kinds of connecting pieces, and fire-resistant concrete layer and 5 steel sheets enclose into one and pour the chamber, transport to the tunnel scene and assemble the completion back at the prefabricated component, through grouting hole cast in situ concrete, the utility model discloses a prefabricated girder steel of mill + concrete combination tunnel component carries out the mechanization in the hole and assembles to improve working conditions, save the labour, also need not interim strut template during assembling, bow member etc. save supporting material, adopt the standardized prefabrication of mill the most important, improved tunnel construction quality greatly, the time limit for a project also reduces by a wide margin, to reducing the cost, has great advantage in the aspect of guaranteeing construction safety.
Furthermore, 5 steel plates of the prefabricated part are mutually welded or connected through bolts, and a plurality of steel bars are pre-embedded in the fireproof concrete layer.
Furthermore, the two ends of the steel bars are fixed on the steel plate, the steel bars are criss-cross to form a steel mesh, and the refractory concrete layer is poured on the steel mesh in advance.
Furthermore, the first connecting piece is installed on the steel plate and is a bolt.
Further, the I-shaped steel beam is arc-shaped and perpendicular to the extending direction of the tunnel.
The I-shaped steel beam is arranged in the pouring cavity, and after concrete is poured, the strength of the cylindrical secondary lining bottom can be greatly improved through the wage steel beam.
Further, the distance between adjacent I-shaped steel beams is 100-130 cm.
Further, prefabricated component length is 3 ~ 5m, links to each other through the second connecting piece between adjacent festival section, and the second connecting piece is the bolt, and the bolt is installed on the steel sheet.
Furthermore, 2 prefabricated components are arranged at the bottom of the cylindrical secondary lining, and the rest prefabricated components are arranged at the middle upper part of the cylindrical secondary lining.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model relates to a girder steel-concrete combination assembled tunnel component suitable for highway tunnel divides highway tunnel secondary lining into 8 prefabricated components to convenient transportation and on-the-spot quick assembly, can prefabricate in batches in the mill in advance, transports to the downthehole machinery and assembles, can adapt to the grade road and the highway tunnel section of arbitrary building boundary limit, shortens tunnel construction time greatly, reduces the cost, and can guarantee construction quality, the prefabricated component outward appearance is also comparatively pleasing to the eye;
2. the utility model relates to a girder steel-concrete combination assembled tunnel component suitable for highway tunnel, the prefabricated component faces the sky and is refractory concrete layer, effectively improves the refractivity and the security of tunnel, and other 5 faces are steel sheets, make things convenient for the installation and the rapid Assembly of all kinds of connecting pieces, refractory concrete layer and 5 steel sheets enclose into a pouring chamber, after the prefabricated component is transported to the tunnel scene and is assembled, through the on-the-spot concreting of slip casting hole, the utility model discloses through the prefabricated girder steel of mill + concrete combination tunnel component, mechanized assembly is carried out in the hole, thereby improves labor conditions, saves labour force, also need not interim supporting template, bow member etc. when assembling, saves supporting material, and the most important adopts factory standardization prefabrication, has greatly improved tunnel construction quality, and the time limit for a project also is reduced by a wide margin, to reduce the cost, the construction safety is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the prefabricated part of the present invention;
figure 3 is the utility model discloses an I-steel beam schematic diagram.
Reference numbers and corresponding part names in the drawings:
the method comprises the following steps of 1-prefabricated parts, 2-first connecting pieces, 3-cylindrical secondary lining, 4-refractory concrete layer, 41-reinforcing steel bars, 5-steel plate, 6-pouring cavity, 61-I-shaped steel beam, 7-grouting holes and 8-second connecting pieces.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1
As shown in fig. 1-3, the utility model relates to a girder steel-concrete combination assembled tunnel component suitable for highway tunnel forms through the assembly concatenation of a plurality of festival section, and every festival section includes 8 prefabricated component 1, and prefabricated component 1 is the bar and the cross-section is the arc, and 8 prefabricated component 1 can splice into the cylindric secondary lining 3 that matches with the tunnel through first connecting piece 2.
Furthermore, the free surface of the prefabricated part 1 is a refractory concrete layer 4, the rest 5 surfaces are steel plates 5, the refractory concrete layer 4 and the 5 steel plates 5 form a pouring cavity 6 in an enclosing mode, a plurality of I-shaped steel beams 61 are arranged in the pouring cavity 6, and a grouting hole 7 is reserved in the refractory concrete layer 4.
Furthermore, 5 steel plates 5 of the prefabricated part 1 are welded or bolted, and a plurality of steel bars 41 are embedded in the refractory concrete layer 4.
Furthermore, two ends of the steel bars 41 are fixed on the steel plate 5, the steel bars 41 are criss-cross to form a steel mesh, and the refractory concrete layer 4 is poured on the steel mesh in advance.
Further, the first connecting piece 2 is installed on the steel plate 5, and the first connecting piece 2 is a bolt.
Example 2
As shown in fig. 1-3, the utility model relates to a girder steel-concrete combination assembled tunnel component suitable for highway tunnel forms through the assembly concatenation of a plurality of festival section, and every festival section includes 8 prefabricated component 1, and prefabricated component 1 is the bar and the cross-section is the arc, and 8 prefabricated component 1 can splice into the cylindric secondary lining 3 that matches with the tunnel through first connecting piece 2.
Furthermore, the free surface of the prefabricated part 1 is a refractory concrete layer 4, the rest 5 surfaces are steel plates 5, the refractory concrete layer 4 and the 5 steel plates 5 form a pouring cavity 6 in an enclosing mode, a plurality of I-shaped steel beams 61 are arranged in the pouring cavity 6, and a grouting hole 7 is reserved in the refractory concrete layer 4.
Furthermore, 5 steel plates 5 of the prefabricated part 1 are welded or bolted, and a plurality of steel bars 41 are embedded in the refractory concrete layer 4.
Furthermore, two ends of the steel bars 41 are fixed on the steel plate 5, the steel bars 41 are criss-cross to form a steel mesh, and the refractory concrete layer 4 is poured on the steel mesh in advance.
Further, the first connecting piece 2 is installed on the steel plate 5, and the first connecting piece 2 is a bolt.
Further, the i-shaped steel beam 61 is arc-shaped, and the i-shaped steel beam 61 is perpendicular to the extending direction of the tunnel.
Further, the distance between the adjacent I-shaped steel beams 61 is 100-130 cm.
Further, prefabricated component 1 length is 3 ~ 5m, links to each other through second connecting piece 8 between adjacent festival section, and second connecting piece 8 is the bolt, and the bolt is installed on steel sheet 5.
Furthermore, 2 prefabricated components 1 are arranged at the bottom of the cylindrical secondary lining 3, and the rest prefabricated components 1 are arranged at the middle upper part of the cylindrical secondary lining 3.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a girder steel-concrete combination assembled tunnel component suitable for highway tunnel forms through a plurality of segmental assembly concatenation, its characterized in that, every segmental includes 8 prefabricated component (1), and prefabricated component (1) is the bar and the cross-section is the arc, and 8 prefabricated component (1) can splice into cylindric secondary lining (3) with the tunnel matching through first connecting piece (2).
2. The steel beam-concrete combined assembly type tunnel component suitable for the highway tunnel according to claim 1, wherein the free surface of the prefabricated component (1) is a refractory concrete layer (4), the other 5 surfaces are steel plates (5), the refractory concrete layer (4) and 5 steel plates (5) define a pouring cavity (6), a plurality of I-shaped steel beams (61) are arranged in the pouring cavity (6), and grouting holes (7) are reserved on the refractory concrete layer (4).
3. The steel beam-concrete combined assembly type tunnel member suitable for a highway tunnel according to claim 2, wherein 5 steel plates (5) of the prefabricated member (1) are welded or bolted with each other, and a plurality of steel bars (41) are embedded in the refractory concrete layer (4).
4. The steel beam-concrete combined assembly type tunnel member for a road tunnel according to claim 3, wherein both ends of the steel bars (41) are fixed on the steel plate (5), a plurality of steel bars (41) are criss-crossed to form a steel net, and the refractory concrete layer (4) is cast on the steel net in advance.
5. A steel beam-concrete combination sectional type tunnel element for a road tunnel according to claim 2, wherein the first connecting member (2) is installed on the steel plate (5), and the first connecting member (2) is a bolt.
6. The steel beam-concrete combined fabricated tunnel element for a road tunnel according to claim 2, wherein the i-shaped steel beam (61) has an arc shape, and the i-shaped steel beam (61) is perpendicular to the tunnel extension direction.
7. The steel beam-concrete combined assembly type tunnel member for a road tunnel according to claim 4, wherein a distance between the adjacent I-shaped steel beams (61) is 100 to 130 cm.
8. The steel beam-concrete combined assembly type tunnel member suitable for a highway tunnel according to claim 1, wherein the prefabricated members (1) have a length of 3m to 5m, adjacent segments are connected by second connecting members (8), and the second connecting members (8) are bolts installed on the steel plate (5).
9. A steel beam-concrete combined fabricated tunnel element suitable for a highway tunnel according to claim 1, wherein the bottom of the cylindrical secondary lining (3) is provided with 2 prefabricated elements (1), and the rest of the prefabricated elements (1) are arranged at the middle upper part of the cylindrical secondary lining (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921011181.2U CN210127857U (en) | 2019-07-01 | 2019-07-01 | Steel beam-concrete combined assembly type tunnel component suitable for highway tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921011181.2U CN210127857U (en) | 2019-07-01 | 2019-07-01 | Steel beam-concrete combined assembly type tunnel component suitable for highway tunnel |
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| CN210127857U true CN210127857U (en) | 2020-03-06 |
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| CN201921011181.2U Active CN210127857U (en) | 2019-07-01 | 2019-07-01 | Steel beam-concrete combined assembly type tunnel component suitable for highway tunnel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107528A (en) * | 2021-05-31 | 2021-07-13 | 福州大学 | Assembled UHPC tunnel lining structure and construction method thereof |
| CN113187515A (en) * | 2021-05-28 | 2021-07-30 | 福州大学 | Tunnel secondary lining with assembled UHPC structure as bottom die and construction method thereof |
-
2019
- 2019-07-01 CN CN201921011181.2U patent/CN210127857U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187515A (en) * | 2021-05-28 | 2021-07-30 | 福州大学 | Tunnel secondary lining with assembled UHPC structure as bottom die and construction method thereof |
| CN113107528A (en) * | 2021-05-31 | 2021-07-13 | 福州大学 | Assembled UHPC tunnel lining structure and construction method thereof |
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