CN205154186U - Long pipe shed construction in scall tunnel is with pipe canopy pipe - Google Patents
Long pipe shed construction in scall tunnel is with pipe canopy pipe Download PDFInfo
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- CN205154186U CN205154186U CN201520998387.4U CN201520998387U CN205154186U CN 205154186 U CN205154186 U CN 205154186U CN 201520998387 U CN201520998387 U CN 201520998387U CN 205154186 U CN205154186 U CN 205154186U
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Abstract
The utility model discloses a long pipe shed construction in scall tunnel is with pipe canopy pipe, carry on including the body, to the body rear end shutoff the shutoff steel sheet, install at the slip casting pipe at shutoff steel sheet middle part and install the flow control valve on the slip casting pipe, slip casting pipe and body are coaxial laying, flow control valve lies in shutoff steel sheet rear side, shutoff steel sheet and body are that perpendicular lay and its middle part is opened to have and is supplied the slip casting to manage the mounting hole of installing, the body divide into front side trompil section and the section is sealed to the rear end, and the length that the section was sealed to the rear end is 120~300cm, front side trompil duan shangkai has a plurality of injected holes, the body is formed by the concatenation of a plurality of steel pipe tube couplings the past to back, connects with the screw thread mode between two the adjacent steel pipe tube couplings in front and back, the steel pipe tube coupling that lies in front side in a plurality of steel pipe tube couplings is the tip pipe festival, and the front end of tip pipe festival is conical blind end. The utility model has the advantages of simple structure and reasonable design and the construction is simple and convenient, excellent in use effect, can accomplish the body top portably, fast and go into and the slip casting process.
Description
Technical field
The utility model belongs to tunnel advanced support technical field of construction, especially relates to a kind of scall tunnel long pipe shed construction pipe canopy pipe.
Background technology
Barrel vault advanced support squeezes in stratum by one group of steel pipe (i.e. pipe canopy pipe) boring that oneself has bored outside the excavation contour line in tunnel, and be combined to form powerful frame pre support reinforcement system with steel arch-shelf, the load of Guan Peng top country rock is come from order to supporting, and added by injected hole and press to slip casting in stratum, to reinforce the stratum of weak broken, improve the self-stable ability on stratum.At present, in tunnel construction, what pipe roof construction mainly adopted is draw hole to head into method construction, specifically first outside tunnel excavation outline line, utilizes rig boring, is then entered by pipe ceiling in the boring of having bored, finally carry out injection stability.Scall loosely organized, cementing properties is weak, poor stability, as extreme detrition has lost the loose media of lithology, drift pebble layer, sand folder gravel and the soil containing a small amount of clay and without cementing loose dry sand etc.Nowadays, when long pipe shed construction is carried out to scall tunnel, there is the defects such as adapter process is complicated, working procedure is complicated, result of use is poor the equal different length of pipe canopy pipe adopted.Thus, need design a kind of pipe canopy pipe being applicable to scall tunnel, its structure is simple, reasonable in design and easy construction, result of use are good, can easy, complete body fast and head into and slip casting process, effectively accelerate long pipe shed construction speed.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of scall tunnel long pipe shed construction pipe canopy pipe is provided, its structure is simple, reasonable in design and easy construction, result of use are good, can easy, complete body fast and head into and slip casting process.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of scall tunnel long pipe shed construction pipe canopy pipe, it is characterized in that: comprise body, described body rear end is carried out to the shutoff steel plate of shutoff, the flow control valve being arranged on the Grouting Pipe in the middle part of shutoff steel plate and being arranged in Grouting Pipe, described Grouting Pipe is laid in coaxial with described body, described flow control valve is positioned on rear side of shutoff steel plate, described shutoff steel plate and described body are vertical runs and have the installing hole installed for Grouting Pipe in the middle part of it, the rear end that described Grouting Pipe front end is inserted into described body is inner, the back-end closure section that described body is divided into front side perforate section and is positioned on rear side of described front side perforate section, the length of described back-end closure section is 120cm ~ 300cm, described front side perforate section has multiple injected hole, and multiple described injected hole is quincunx laying, multiple described injected hole is circular hole and its aperture is all identical, and the aperture of described injected hole is Φ 6mm ~ Φ 8mm, multiple described injected hole is in evenly laying, and the spacing between adjacent two described injected holes is 90mm ~ 110mm, the external diameter of described body is Φ 108mm, and the length of described body is greater than 25m and it is spliced from front to back by multiple steel pipe tube coupling, and the length of each described steel pipe tube coupling is 1m ~ 6m, connects threadably between adjacent two the described steel pipe tube couplings in front and back, multiple described steel pipe tube coupling meta is rear end tube coupling in the steel pipe tube coupling of rear side, and described back-end closure section is the rear side sections of described rear end tube coupling, and described shutoff steel plate is inner by the rear end loading described rear end tube coupling before backward, the steel pipe tube coupling of multiple described steel pipe tube coupling meta in front side is front end tube coupling, and the front end of described front end tube coupling is conical blind end.
Above-mentioned a kind of scall tunnel long pipe shed construction pipe canopy pipe, is characterized in that: described Grouting Pipe is steel pipe and it is weldingly fixed on shutoff steel plate.
Above-mentioned a kind of scall tunnel long pipe shed construction pipe canopy pipe, it is characterized in that: the length of described front end tube coupling or described rear end tube coupling is 1m, and the steel pipe tube coupling that length is 1m is pipe nipple steel pipe, steel pipe tube coupling in multiple described steel pipe tube coupling except described pipe nipple steel pipe is meropodium steel pipe, and the length of described meropodium steel pipe is 3m ~ 6m.
Above-mentioned a kind of scall tunnel long pipe shed construction pipe canopy pipe, is characterized in that: in described body, the identical length of all meropodium steel pipes is same.
Above-mentioned a kind of scall tunnel long pipe shed construction pipe canopy pipe, it is characterized in that: the steel pipe tube coupling of multiple described steel pipe tube coupling metas between described front end tube coupling and described rear end tube coupling is middle tube coupling, the front end of described rear end tube coupling and each described middle tube coupling is provided with thread connecting joint, and the rear end of described front end tube coupling and each described middle tube coupling is provided with the internal thread linkage section for installing described thread connecting joint.
Above-mentioned a kind of scall tunnel long pipe shed construction pipe canopy pipe, is characterized in that: the length of described thread connecting joint and described internal thread linkage section is 7cm ~ 10cm.
The utility model compared with prior art has the following advantages:
1, structure is simple, reasonable in design and processing and fabricating is easy, and input cost is lower.
2, body is divided into front side perforate section and back-end closure section, the length of back-end closure section is 120cm ~ 300cm, and in front side perforate section the aperture of injected hole and line space design reasonable, can overcome the first filling near-end of the slurries caused because of the rear end perforate of pipe canopy pipe like this, block exhaust passage and make the problem that pipe canopy far-end and top exist air rubber capsule, slip casting can not be full, and scall tunnel pipe shed support demand can be met.
3, easy construction, efficiency of construction is high and result of use good, body is spliced from front to back by multiple steel pipe tube coupling, connect threadably between adjacent two the steel pipe tube couplings in front and back, tube coupling continues conveniently, and pipe canopy pipe is used as drilling rod and headed into by rig; Meanwhile, the shutoff that the rear end of rear end tube coupling is provided with band Grouting Pipe is convenient, has headed into and directly can carry out mortar depositing construction, and it is convenient to realize, can easy, complete scall tunnel long pipe shed work progress fast, and the long pipe & shed supporting of construction molding is effective.
In sum, the utility model structure is simple, reasonable in design and easy construction, result of use are good, can easy, complete body fast and head into and slip casting process.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model rear end tube coupling, shutoff steel plate and Grouting Pipe.
Description of reference numerals:
1-shutoff steel plate; 2-Grouting Pipe; 3-steel pipe tube coupling;
4-flow control valve; 5-injected hole.
Detailed description of the invention
As shown in Figure 1 and Figure 2, the utility model comprises body, the shutoff steel plate 1 described body rear end being carried out to shutoff, the flow control valve 4 that is arranged on the Grouting Pipe 2 in the middle part of shutoff steel plate 1 and is arranged in Grouting Pipe 2, described Grouting Pipe 2 is laid in coaxial with described body, described flow control valve 4 is positioned on rear side of shutoff steel plate 1, described shutoff steel plate 1 is vertical runs with described body and has the installing hole installed for Grouting Pipe 2 in the middle part of it, and the rear end that described Grouting Pipe 2 front end is inserted into described body is inner.The back-end closure section that described body is divided into front side perforate section and is positioned on rear side of described front side perforate section, the length of described back-end closure section is 120cm ~ 300cm.Described front side perforate section has multiple injected hole 5, and multiple described injected hole 5 is in quincunx laying.Multiple described injected hole 5 is circular hole and its aperture is all identical, and the aperture of described injected hole 5 is Φ 6mm ~ Φ 8mm; Multiple described injected hole 5 is in evenly laying, and the spacing between adjacent two described injected holes 5 is 90mm ~ 110mm.The external diameter of described body is Φ 108mm, the length of described body is greater than 25m and it is spliced from front to back by multiple steel pipe tube coupling 3, the length of each described steel pipe tube coupling 3 is 1m ~ 6m, connects threadably between adjacent two the described steel pipe tube couplings 3 in front and back.The steel pipe tube coupling 3 being positioned at last side in multiple described steel pipe tube coupling 3 is rear end tube coupling, and described back-end closure section is the rear side sections of described rear end tube coupling, and described shutoff steel plate 1 is by the backward front inside, rear end loading described rear end tube coupling.The steel pipe tube coupling 3 being positioned at front side in multiple described steel pipe tube coupling 3 is front end tube coupling, and the front end of described front end tube coupling is conical blind end.
In the present embodiment, described Grouting Pipe 2 is steel pipe and it is weldingly fixed on shutoff steel plate 1.
In the present embodiment, the length of described front end tube coupling or described rear end tube coupling is 1m, and the steel pipe tube coupling 3 that length is 1m is pipe nipple steel pipe, the steel pipe tube coupling 3 in multiple described steel pipe tube coupling 3 except described pipe nipple steel pipe is meropodium steel pipe, and the length of described meropodium steel pipe is 3m ~ 6m.
Further, in described body, the identical length of all meropodium steel pipes is same.
In the present embodiment, steel pipe tube coupling 3 in multiple described steel pipe tube coupling 3 between described front end tube coupling and described rear end tube coupling is middle tube coupling, the front end of described rear end tube coupling and each described middle tube coupling is provided with thread connecting joint, and the rear end of described front end tube coupling and each described middle tube coupling is provided with the internal thread linkage section for installing described thread connecting joint.
Actually add man-hour, the length of described thread connecting joint and described internal thread linkage section is 7cm ~ 10cm.
In the present embodiment, the length of described body is 25m ~ 40m.
In the present embodiment, the length of described back-end closure section is denoted as L and L=150cm.During actual use, can according to specific needs, the length of described back-end closure section be adjusted accordingly.
When the utility model is headed into, each steel pipe tube coupling 3-1 need be headed into section by section, after a steel pipe tube coupling 3-1 has headed into, then meet next steel pipe tube coupling 3-1, until complete all steel pipe tube coupling 3-1 head into process; Afterwards, the rear end of shutoff steel plate 1 to described rear end tube coupling of band Grouting Pipe 2 is adopted to carry out shutoff; Then, adopt slip casting and carry out mortar depositing construction by Grouting Pipe 2.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (6)
1. a scall tunnel long pipe shed construction pipe canopy pipe, it is characterized in that: comprise body, described body rear end is carried out to the shutoff steel plate (1) of shutoff, the Grouting Pipe (2) being arranged on shutoff steel plate (1) middle part and the flow control valve (4) be arranged in Grouting Pipe (2), described Grouting Pipe (2) is laid in coaxial with described body, described flow control valve (4) is positioned at shutoff steel plate (1) rear side, described shutoff steel plate (1) and described body are vertical runs and have the installing hole installed for Grouting Pipe (2) in the middle part of it, the rear end that described Grouting Pipe (2) front end is inserted into described body is inner, the back-end closure section that described body is divided into front side perforate section and is positioned on rear side of described front side perforate section, the length of described back-end closure section is 120cm ~ 300cm, described front side perforate section has multiple injected hole (5), and multiple described injected hole (5) is in quincunx laying, multiple described injected hole (5) is circular hole and its aperture is all identical, and the aperture of described injected hole (5) is Φ 6mm ~ Φ 8mm, multiple described injected hole (5) is in evenly laying, and the spacing between adjacent two described injected holes (5) is 90mm ~ 110mm, the external diameter of described body is Φ 108mm, the length of described body is greater than 25m and it is spliced from front to back by multiple steel pipe tube coupling (3), the length of each described steel pipe tube coupling (3) is 1m ~ 6m, connects threadably between adjacent two the described steel pipe tube couplings (3) in front and back, the steel pipe tube coupling (3) being positioned at last side in multiple described steel pipe tube coupling (3) is rear end tube coupling, described back-end closure section is the rear side sections of described rear end tube coupling, and described shutoff steel plate (1) is by the backward front inside, rear end loading described rear end tube coupling, the steel pipe tube coupling (3) being positioned at front side in multiple described steel pipe tube coupling (3) is front end tube coupling, and the front end of described front end tube coupling is conical blind end.
2., according to a kind of scall tunnel long pipe shed construction pipe canopy pipe according to claim 1, it is characterized in that: described Grouting Pipe (2) for steel pipe and its be weldingly fixed on shutoff steel plate (1).
3. according to a kind of scall tunnel long pipe shed construction pipe canopy pipe described in claim 1 or 2, it is characterized in that: the length of described front end tube coupling or described rear end tube coupling is 1m, and the steel pipe tube coupling (3) that length is 1m is pipe nipple steel pipe, steel pipe tube coupling (3) in multiple described steel pipe tube coupling (3) except described pipe nipple steel pipe is meropodium steel pipe, and the length of described meropodium steel pipe is 3m ~ 6m.
4. according to a kind of scall tunnel long pipe shed construction pipe canopy pipe according to claim 3, it is characterized in that: in described body, the identical length of all meropodium steel pipes is same.
5. according to a kind of scall tunnel long pipe shed construction pipe canopy pipe described in claim 1 or 2, it is characterized in that: the steel pipe tube coupling (3) in multiple described steel pipe tube coupling (3) between described front end tube coupling and described rear end tube coupling is middle tube coupling, the front end of described rear end tube coupling and each described middle tube coupling is provided with thread connecting joint, and the rear end of described front end tube coupling and each described middle tube coupling is provided with the internal thread linkage section for installing described thread connecting joint.
6., according to a kind of scall tunnel long pipe shed construction pipe canopy pipe according to claim 5, it is characterized in that: the length of described thread connecting joint and described internal thread linkage section is 7cm ~ 10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520998387.4U CN205154186U (en) | 2015-12-04 | 2015-12-04 | Long pipe shed construction in scall tunnel is with pipe canopy pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520998387.4U CN205154186U (en) | 2015-12-04 | 2015-12-04 | Long pipe shed construction in scall tunnel is with pipe canopy pipe |
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| Publication Number | Publication Date |
|---|---|
| CN205154186U true CN205154186U (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520998387.4U Active CN205154186U (en) | 2015-12-04 | 2015-12-04 | Long pipe shed construction in scall tunnel is with pipe canopy pipe |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057517A (en) * | 2019-05-21 | 2019-07-26 | 平潭综合实验区交通投资集团有限公司 | The lead pipe-shed support structure of its own vertical deflection can be measured by inclinometer |
| CN110439258A (en) * | 2019-04-15 | 2019-11-12 | 中国建筑第四工程局有限公司 | A kind of disposal molding integration anchor pole and construction method |
| CN111379571A (en) * | 2018-12-30 | 2020-07-07 | 中铁十四局集团有限公司 | Pipeline, pipe shed structure and pipe shed construction method with same |
| CN113482627A (en) * | 2021-07-19 | 2021-10-08 | 中交第二航务工程局有限公司 | Tunnel pipe shed grouting device and pressure-adjustable reverse reinforcement construction method |
-
2015
- 2015-12-04 CN CN201520998387.4U patent/CN205154186U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379571A (en) * | 2018-12-30 | 2020-07-07 | 中铁十四局集团有限公司 | Pipeline, pipe shed structure and pipe shed construction method with same |
| CN110439258A (en) * | 2019-04-15 | 2019-11-12 | 中国建筑第四工程局有限公司 | A kind of disposal molding integration anchor pole and construction method |
| CN110057517A (en) * | 2019-05-21 | 2019-07-26 | 平潭综合实验区交通投资集团有限公司 | The lead pipe-shed support structure of its own vertical deflection can be measured by inclinometer |
| CN113482627A (en) * | 2021-07-19 | 2021-10-08 | 中交第二航务工程局有限公司 | Tunnel pipe shed grouting device and pressure-adjustable reverse reinforcement construction method |
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