CN215408713U - Highway tunnel supporting construction - Google Patents
Highway tunnel supporting construction Download PDFInfo
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- CN215408713U CN215408713U CN202121620587.8U CN202121620587U CN215408713U CN 215408713 U CN215408713 U CN 215408713U CN 202121620587 U CN202121620587 U CN 202121620587U CN 215408713 U CN215408713 U CN 215408713U
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Abstract
The utility model belongs to the technical field of highway tunnel construction protection application, and particularly discloses a highway tunnel supporting structure which comprises a group of base holes, vertical supporting anchor rods arranged in the group of base holes respectively, cement grouting poured into the group of base holes respectively and matched with the vertical supporting anchor rods for use, anchor rod fixing nuts and backing plates arranged on the vertical supporting anchor rods respectively, fixing screw rods arranged at one ends of the vertical supporting anchor rods respectively, and cross beam supporting components matched with the vertical supporting anchor rods and the fixing screw rods for use respectively. The utility model has the beneficial effects that: the supporting structure is reasonable in design, a group of base holes, vertical supporting anchor rods, cement grouting, anchor rod fixing nuts, base plates, fixing screw rods, cross beam supporting assemblies and other structures which are matched for use can effectively solve the supporting problem of the construction operation surface of the highway tunnel in the lava mountain area, the efficient and safe construction operation of the highway tunnel in the lava mountain area is realized, meanwhile, the supporting structure is convenient to assemble and use, and the supporting structure is stable and reliable after assembly and excellent in safety.
Description
Technical Field
The utility model belongs to the technical field of highway tunnel construction protection, and particularly relates to a highway tunnel supporting structure.
Background
The highway tunnel is a channel special for automobile transportation and driving, along with the development of social economy and production, a great number of expressways appear, higher standards are provided for the road construction technology, and the highway tunnel is required to be straight, have gentle slope, have spacious road surfaces and the like. Therefore, when a road passes through a mountain area, the scheme of winding around the mountain is changed into a tunnel scheme in the past. The construction of the tunnel plays an important role in the aspects of improving the technical state of the road, shortening the running distance, improving the transport capacity, reducing accidents and the like.
When the expressway is built in a lava mountain area, the karst problem is not negligible. Karst is a general name of various surface and underground corrosion phenomena formed by surface water and underground water through chemical action and mechanical destruction action on a soluble rock stratum, and tunnel construction in the area needs to consider the harm of the karst, so that the tunnel construction in the area is high-efficiency, safe and the like due to difficult construction and large danger coefficient, and needs to be solved at present.
Therefore, the present invention has been made in view of the above problems, and provides a road tunnel supporting structure.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims to provide a highway tunnel supporting structure which is reasonable in design, can effectively solve the supporting problem of a construction working face of a highway tunnel in a lava mountain area by using a group of structures such as a base hole, a vertical supporting anchor rod, cement grouting, an anchor rod fixing nut, a base plate, a fixing screw rod, a cross beam supporting component and the like which are matched with each other, realizes efficient and safe construction operation of the highway tunnel in the lava mountain area, is convenient to assemble and use, and is stable, reliable and excellent in safety after being assembled.
The technical scheme is as follows: the utility model provides a highway tunnel supporting structure, which consists of a group of base holes, vertical supporting anchor rods respectively arranged in the group of base holes, cement grouting respectively poured in the group of base holes and matched with the vertical supporting anchor rods, anchor rod fixing nuts and backing plates respectively arranged on the vertical supporting anchor rods, fixing screw rods respectively arranged at one ends of the vertical supporting anchor rods, and a cross beam supporting component respectively matched with the vertical supporting anchor rods and the fixing screw rods; the transverse supporting assembly comprises a plate-type cross beam, plate-type cross beam through holes which are respectively arranged in two ends of the plate-type cross beam and are matched with and used by a fixing screw, plate-type cross beam fixing nuts which are respectively matched with and used by a fixing screw, vertical supporting columns which are symmetrically arranged on one surface of the plate-type cross beam, circular clamping sleeves which are respectively matched with and used by a vertical supporting column, transverse fixing plates which are respectively arranged on one surfaces of the circular clamping sleeves, arc-shaped supporting blocks which are arranged on one surfaces of the transverse fixing plates, arc-shaped limiting clamping blocks which are matched with and used by the arc-shaped supporting blocks, and waterproof plates which are arranged on one surfaces of the arc-shaped limiting clamping blocks.
According to the technical scheme, the highway tunnel supporting structure further comprises inclined limiting plates which are symmetrically arranged on the inner wall of one side of the waterproof plate and matched with the arc-shaped limiting clamping blocks for use.
This technical scheme, highway tunnel supporting construction still erects the support cylinder including setting up in plate-type crossbeam one side and being located a plurality of between the perpendicular support column, and sets up respectively in the circular stopper of erecting support cylinder one end, and set up the fixed limiting plate at the horizontal fixed plate another side, and set up at fixed limiting plate one side and the circular stop collar of open-type that cooperatees and use with circular stopper.
According to the technical scheme, the road tunnel supporting structure further comprises a buffer spring arranged between the vertical supporting column and the circular clamping sleeve connecting surface.
According to the technical scheme, the length sizes of the fixed limiting plate, the transverse fixing plate and the plate type cross beam are sequentially increased.
According to the technical scheme, the strength of the cement grouting is greater than 30 MPa.
Compared with the prior art, the road tunnel supporting structure has the beneficial effects that: the supporting structure is reasonable in design, a group of base holes, vertical supporting anchor rods, cement grouting, anchor rod fixing nuts, base plates, fixing screw rods, cross beam supporting assemblies and other structures which are matched for use can effectively solve the supporting problem of the construction operation surface of the highway tunnel in the lava mountain area, the efficient and safe construction operation of the highway tunnel in the lava mountain area is realized, meanwhile, the supporting structure is convenient to assemble and use, and the supporting structure is stable and reliable after assembly and excellent in safety.
Drawings
Fig. 1 is a front view schematically illustrating a structure of a road tunnel supporting structure of the present invention;
fig. 2 is a schematic structural view of the anchor rod fixing nut, the backing plate, the vertical support anchor rod and the fixing screw rod of the road tunnel supporting structure before assembly.
Detailed Description
The utility model is further elucidated with reference to the drawings and the embodiments.
Example one
The road tunnel supporting structure shown in fig. 1 and 2 is composed of a group of base holes 1, vertical support anchor rods 2 respectively arranged in the group of base holes 1, cement grout 5 respectively poured into the group of base holes 1 and used in cooperation with the vertical support anchor rods 2, anchor rod fixing nuts 3 and backing plates 4 respectively arranged on the vertical support anchor rods 2, fixing screw rods 8 respectively arranged at one ends of the vertical support anchor rods 2, and beam support components respectively used in cooperation with the vertical support anchor rods 2 and the fixing screw rods 8; the transverse supporting component comprises a plate-type cross beam 10, plate-type cross beam through holes 7 which are respectively arranged in two ends of the plate-type cross beam 10 and are matched with a fixing screw 8 for use, plate-type cross beam fixing nuts 9 which are respectively matched with the fixing screw 8 for use, vertical supporting columns 11 which are symmetrically arranged on one surfaces of the plate-type cross beam 10, circular clamping sleeves 14 which are respectively matched with the vertical supporting columns 11 for use, transverse fixing plates 13 which are respectively arranged on one surfaces of the circular clamping sleeves 14, arc-shaped supporting blocks 15 which are arranged on one surfaces of the transverse fixing plates 13, arc-shaped limiting clamping blocks 18 which are matched with the arc-shaped supporting blocks 15 for use, and waterproof plates 16 which are arranged on one surfaces of the arc-shaped limiting clamping blocks 18.
Example two
The road tunnel supporting structure shown in fig. 1 and 2 is composed of a group of base holes 1, vertical support anchor rods 2 respectively arranged in the group of base holes 1, cement grout 5 respectively poured into the group of base holes 1 and used in cooperation with the vertical support anchor rods 2, anchor rod fixing nuts 3 and backing plates 4 respectively arranged on the vertical support anchor rods 2, fixing screw rods 8 respectively arranged at one ends of the vertical support anchor rods 2, and beam support components respectively used in cooperation with the vertical support anchor rods 2 and the fixing screw rods 8; the transverse supporting component comprises a plate-type cross beam 10, plate-type cross beam through holes 7 which are respectively arranged in two ends of the plate-type cross beam 10 and are matched with and used by a fixing screw 8, plate-type cross beam fixing nuts 9 which are respectively matched with and used by a fixing screw 8, vertical supporting columns 11 which are symmetrically arranged on one side of the plate-type cross beam 10, circular clamping sleeves 14 which are respectively matched with and used by a vertical supporting column 11, transverse fixing plates 13 which are respectively arranged on one sides of the circular clamping sleeves 14, arc-shaped supporting blocks 15 which are arranged on one sides of the transverse fixing plates 13, arc-shaped limiting clamping blocks 18 which are matched with and used by the arc-shaped supporting blocks 15, waterproof plates 16 which are arranged on one sides of the arc-shaped limiting clamping blocks 18, and inclined limiting plates 17 which are symmetrically arranged on one side of the inner walls of the waterproof plates 16 and are matched with and used by the arc-shaped limiting clamping blocks 18.
EXAMPLE III
The road tunnel supporting structure shown in fig. 1 and 2 is composed of a group of base holes 1, vertical support anchor rods 2 respectively arranged in the group of base holes 1, cement grout 5 respectively poured into the group of base holes 1 and used in cooperation with the vertical support anchor rods 2, anchor rod fixing nuts 3 and backing plates 4 respectively arranged on the vertical support anchor rods 2, fixing screw rods 8 respectively arranged at one ends of the vertical support anchor rods 2, and beam support components respectively used in cooperation with the vertical support anchor rods 2 and the fixing screw rods 8; the transverse supporting component comprises a plate-type cross beam 10, plate-type cross beam through holes 7 which are respectively arranged in two ends of the plate-type cross beam 10 and are matched with a fixing screw 8 for use, plate-type cross beam fixing nuts 9 which are respectively matched with the fixing screw 8 for use, vertical supporting columns 11 which are symmetrically arranged on one surface of the plate-type cross beam 10, circular cutting sleeves 14 which are respectively matched with the vertical supporting columns 11 for use, transverse fixing plates 13 which are respectively arranged on one surfaces of the circular cutting sleeves 14, arc-shaped supporting blocks 15 which are arranged on one surfaces of the transverse fixing plates 13, arc-shaped limiting clamping blocks 18 which are matched with the arc-shaped supporting blocks 15 for use, a waterproof plate 16 which is arranged on one surface of the arc-shaped limiting clamping blocks 18, inclined limiting plates 17 which are symmetrically arranged on the inner wall of one surface of the waterproof plate 16 and are matched with the arc-shaped limiting clamping blocks 18 for use, and a plurality of vertical supporting cylinders 22 which are arranged on one surface of the plate-type cross beam 10 and are positioned between the vertical supporting columns 11, and the circular limiting blocks 21 are respectively arranged at one end of the vertical supporting cylinder 22, the fixed limiting plate 20 is arranged at the other side of the transverse fixing plate 13, and the open circular limiting sleeve 19 is arranged at one side of the fixed limiting plate 20 and is matched with the circular limiting blocks 21 for use.
Example four
The road tunnel supporting structure shown in fig. 1 and 2 is composed of a group of base holes 1, vertical support anchor rods 2 respectively arranged in the group of base holes 1, cement grout 5 respectively poured into the group of base holes 1 and used in cooperation with the vertical support anchor rods 2, anchor rod fixing nuts 3 and backing plates 4 respectively arranged on the vertical support anchor rods 2, fixing screw rods 8 respectively arranged at one ends of the vertical support anchor rods 2, and beam support components respectively used in cooperation with the vertical support anchor rods 2 and the fixing screw rods 8; the transverse supporting component comprises a plate-type cross beam 10, plate-type cross beam through holes 7 which are respectively arranged in two ends of the plate-type cross beam 10 and are matched with a fixing screw 8 for use, plate-type cross beam fixing nuts 9 which are respectively matched with the fixing screw 8 for use, vertical supporting columns 11 which are symmetrically arranged on one surface of the plate-type cross beam 10, circular cutting sleeves 14 which are respectively matched with the vertical supporting columns 11 for use, transverse fixing plates 13 which are respectively arranged on one surfaces of the circular cutting sleeves 14, arc-shaped supporting blocks 15 which are arranged on one surfaces of the transverse fixing plates 13, arc-shaped limiting clamping blocks 18 which are matched with the arc-shaped supporting blocks 15 for use, a waterproof plate 16 which is arranged on one surface of the arc-shaped limiting clamping blocks 18, inclined limiting plates 17 which are symmetrically arranged on the inner wall of one surface of the waterproof plate 16 and are matched with the arc-shaped limiting clamping blocks 18 for use, and a plurality of vertical supporting cylinders 22 which are arranged on one surface of the plate-type cross beam 10 and are positioned between the vertical supporting columns 11, the circular limiting blocks 21 are respectively arranged at one end of the vertical supporting cylinder 22, the fixed limiting plate 20 is arranged at the other side of the transverse fixing plate 13, the open type circular limiting sleeve 19 is arranged at one side of the fixed limiting plate 20 and matched with the circular limiting blocks 21 for use, and the buffer spring 12 is arranged between the connecting surfaces of the vertical supporting column 11 and the circular cutting sleeve 14.
Preferably, in the road tunnel supporting structure according to the first or second embodiment, or the third or fourth embodiment, the length dimensions of the fixed limiting plate 20, the transverse fixing plate 13 and the plate-type cross beam 10 are sequentially increased, and the strength of the cement grouting 5 is greater than 30 MPa.
In the preferred road tunnel supporting structure of the first or second embodiment or the third or fourth embodiment of the present invention, the waterproof plate 16 is made of a polymer material, and the thickness of the EVA film is 1.5 mm.
Preferably, in the road tunnel supporting structure of the first or second or third or fourth embodiment of the present invention, when the depth of the group of foundation holes 1 (drilled holes) is longer than the designed hole depth by more than 10cm, the vertical support anchor rods 2 are installed, and cement slurry with strength not lower than 30MPa is used for grouting by using an electric grouting machine, the grouting pressure meets the design requirement of 0.5-1MPa, and the end standard is generally set as the designed grouting amount reached by a single rod; when the grouting pressure reaches the design final pressure of 0.8MPa for not less than 20 minutes and the grouting amount still does not reach the grouting final amount, the grouting can be finished and the full grouting of the anchor rod hole is ensured.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the utility model and these modifications should also be considered as the protection scope of the utility model.
Claims (6)
1. Highway tunnel supporting construction, its characterized in that: the device is composed of a group of base holes (1), vertical support anchor rods (2) respectively arranged in the group of base holes (1), cement grouting (5) respectively poured into the group of base holes (1) and matched with the vertical support anchor rods (2) for use, anchor rod fixing nuts (3) and base plates (4) respectively arranged on the vertical support anchor rods (2), fixing screw rods (8) respectively arranged at one ends of the vertical support anchor rods (2), and cross beam support components respectively matched with the vertical support anchor rods (2) and the fixing screw rods (8) for use; the beam supporting assembly comprises plate type beams (10), plate type beam through holes (7) which are respectively arranged in two ends of the plate type beams (10) and are matched with fixing screws (8) for use, plate type beam fixing nuts (9) which are respectively matched with the fixing screws (8) for use, vertical supporting columns (11) which are symmetrically arranged on one surfaces of the plate type beams (10), circular clamping sleeves (14) which are respectively matched with the vertical supporting columns (11) for use, transverse fixing plates (13) which are respectively arranged on one surfaces of the circular clamping sleeves (14), arc-shaped supporting blocks (15) which are arranged on one surfaces of the transverse fixing plates (13), arc-shaped limiting clamping blocks (18) which are matched with the arc-shaped supporting blocks (15) for use, and waterproof plates (16) which are arranged on one surfaces of the arc-shaped limiting clamping blocks (18).
2. The road tunnel supporting structure of claim 1, wherein: the waterproof plate is characterized by further comprising inclined limiting plates (17) which are symmetrically arranged on the inner wall of one side of the waterproof plate (16) and matched with the arc-shaped limiting clamping blocks (18) for use.
3. The road tunnel supporting structure according to claim 1 or 2, wherein: the plate-type beam support structure is characterized by further comprising a plurality of vertical support cylinders (22) which are arranged on one surface of the plate-type beam (10) and located between the vertical support columns (11), circular limiting blocks (21) which are arranged at one ends of the vertical support cylinders (22) respectively, fixed limiting plates (20) which are arranged on the other surface of the transverse fixing plate (13), and open circular limiting sleeves (19) which are arranged on one surfaces of the fixed limiting plates (20) and matched with the circular limiting blocks (21) for use.
4. The road tunnel supporting structure of claim 3, wherein: the clamp also comprises a buffer spring (12) arranged between the vertical support column (11) and the connecting surface of the circular clamping sleeve (14).
5. The road tunnel supporting structure of claim 3, wherein: the length sizes of the fixed limiting plate (20), the transverse fixing plate (13) and the plate type cross beam (10) are sequentially increased.
6. The road tunnel supporting structure of claim 1, wherein: the strength of the cement grouting (5) is more than 30 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121620587.8U CN215408713U (en) | 2021-07-16 | 2021-07-16 | Highway tunnel supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121620587.8U CN215408713U (en) | 2021-07-16 | 2021-07-16 | Highway tunnel supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215408713U true CN215408713U (en) | 2022-01-04 |
Family
ID=79649937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121620587.8U Active CN215408713U (en) | 2021-07-16 | 2021-07-16 | Highway tunnel supporting construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215408713U (en) |
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2021
- 2021-07-16 CN CN202121620587.8U patent/CN215408713U/en active Active
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