CN201460980U - High-speed railway loess tunnel drainage facility - Google Patents
High-speed railway loess tunnel drainage facility Download PDFInfo
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- CN201460980U CN201460980U CN2009200823643U CN200920082364U CN201460980U CN 201460980 U CN201460980 U CN 201460980U CN 2009200823643 U CN2009200823643 U CN 2009200823643U CN 200920082364 U CN200920082364 U CN 200920082364U CN 201460980 U CN201460980 U CN 201460980U
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- drainage
- speed railway
- loess tunnel
- tunnel
- loess
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Abstract
The utility model discloses a high-speed railway loess tunnel drainage facility, aiming at meeting longitudinal drainage and maintenance requirements and simplifying the drainage structure, so as to be convenient for construction; the high-speed railway loess tunnel drainage facility comprises a central drainage ditch (10) in a cavity and side drainage ditches (11) at two sides thereof, and a longitudinal drainage pipe (12) which is arranged between a primary support and a secondary lining in a segment way, and two ends of the longitudinal drainage pipe (12) are provided with bending sections (12a) which are communicated with the side drainage ditches (11). The high-speed railway loess tunnel drainage facility has the beneficial effects that: two ends of the longitudinal drainage pipe are bent and are directly communicated with the side drainage ditches, inspection wells at two ends are omitted, high-pressure water is utilized to wash out from one end when maintenance and dredging are carried out; on the premise of meeting the drainage and maintaining requirements, the structure of the loess tunnel drainage facility is simplified, thereby being convenient for construction and being beneficial to reducing the project cost.
Description
Technical field
The utility model relates to the drainage of railway, particularly is applicable to the drainage of high-speed railway loess tunnel.
Background technology
Zhengzhou to Xi'an Line for Passenger Transportation is that China is first the Line for Passenger Transportation of 350km/h in the newly-built speed per hour in loess area.Total track length 458.8km.The tunnel amounts to 38 completely, always is about 77km, wherein loess tunnel length overall 50km.The Zhang Mao tunnel is positioned at this Line for Passenger Transportation Mianchi to Lingbao City section, and tunnel total length 8483m is Zheng Xi visitor the longest special tunnel.Tunnel outlet section 3190m (maximum buried depth 100m) is arranged in the following Quaternary system mid Pleistocene series clayey loess of groundwater table, is V level country rock.Underground water head exceeds the most about 20m of vault, and clayey loess vertical joints development contains abundant pore water, natural moisture content 23%.This tunnel landform is loess platform plateau landforms, and the loess coombe is grown, and the landform cutting is washed away serious, and physical features is steep, and landform is smooth open on the loess tableland, ground elevation 640～740m, the about 100m of relative relief.
With reference to Fig. 1, the former design scheme of opening thatch tunnel drainage facility is in (1) hole the bilateral gutter to be set and to add the central row ditch; (2) between preliminary bracing and the secondary lining, every 10m is provided with ring direction drainpipe one, and the dual-side foundation is respectively established the longitudinal drainage pipe of one Φ 100.Hoop, longitudinal drainage pipe are introduced side gutter, tunnel respectively with underground water, are discharged outside the hole by side gutter and central row ditch through compiling of side gutter and post precipitation again.Because tunnel longitudinal drainage pipe is along the elongated setting of tunnel foundation, unobstructed in order to guarantee the draining of tunnel longitudinal drainage pipe, avoid the disease that causes because of tunnel longitudinal drainage Guan Buchang as far as possible, prevent from simultaneously to flow into the central row ditch because of the deposit of country rock infiltration deposition, traditional way generally is provided with a vertically pipe manhole at tunnel-side foundation place every 30～50m, utilize high pressure water washing longitudinal drainage pipe by manhole in case of necessity, to reach the maintainability of longitudinal drainage pipe.
Though the abutment wall pin is provided with the alluvial blockage problem that the manhole mode can solve the longitudinal drainage pipe, reach the maintainability of gutter, but there is following deficiency: the construction trouble, generally be to utilize the lining cutting of lining shuttering chassis disposable integral perfusion arch wall in the construction, if reserve the manhole space, then increased working procedure, made troubles to constructing tunnel; Abutment wall pin place is the stressed stress concentrated position in tunnel often, and stressed comparatively complicated, the existence of manhole is unfavorable for that structural entity is stressed; The abutment wall pin is provided with too much manhole cavern, and it is attractive in appearance to influence the tunnel.
The utility model content
Technical problem to be solved in the utility model provides a kind of high-speed railway loess tunnel drainage, can not only satisfy the requirement of longitudinal drainage and maintenance, and simple in structure, is convenient to construction, thereby helps reducing construction costs.
The technical scheme that its technical problem that solves the utility model adopts is: the utility model high-speed railway loess tunnel drainage, comprise the central row ditch of setting in the hole and the side gutter of both sides, and the longitudinal drainage pipe that segmentation is provided with between supporting in the early stage and the secondary lining, it is characterized in that: the two ends of described longitudinal drainage pipe have the bending segment that communicates with the side gutter.
The beneficial effects of the utility model are, the two ends bending of longitudinal drainage pipe directly communicates with the side gutter, cancelled the manhole at two ends, utilizing water under high pressure to wash away from an end when safeguarding mediation gets final product, under the prerequisite that satisfies draining and maintenance requirement, simplify the structure of loess tunnel drainage, and be convenient to construction, and helped reducing construction costs.
Description of drawings
This manual comprises following three width of cloth accompanying drawings:
Fig. 1 is the profile of existing high-speed railway loess tunnel drainage;
Fig. 2 is the profile of the utility model high-speed railway loess tunnel drainage;
Fig. 3 is the plan view (part) of the utility model high-speed railway loess tunnel drainage.
Position shown in the figure, member title and pairing mark: central row ditch 10, side gutter 11, longitudinal drainage pipe 12, bending segment 12a.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
With reference to Fig. 1, the utility model high-speed railway loess tunnel drainage comprises the central row ditch 10 of setting in the hole and the side gutter 11 of both sides, and the longitudinal drainage pipe 12 that segmentation is provided with between supporting in the early stage and the secondary lining.The two ends of described longitudinal drainage pipe 12 have the bending segment 12a that communicates with side gutter 11.Because the bending of the two ends of longitudinal drainage pipe 12 directly communicates with the side gutter, cancelled the manhole at two ends, utilizing water under high pressure to wash away from an end when safeguarding mediation gets final product, under the prerequisite that satisfies draining and maintenance requirement, simplified the structure of loess tunnel drainage, and be convenient to construction, and help reducing construction costs.Usually, the axis of described bending segment 12a, longitudinal drainage pipe 12 is staggered with 45 °.
The applicant successfully applies to the utility model high-speed railway loess tunnel drainage in the Change In Design and construction in Line for Passenger Transportation Zhang Mao tunnel, Zhengzhou to Xi'an.Through the experimental test analysis that water pressure at the bottom of fine grained, water chemistry composition and the tunnel in the tunnel drainage is carried out, As time goes on test data shows, the content of resolvability total solid obviously reduces in the soil, and the solid content that can be dissolved in water reduces gradually, tends towards stability gradually; Promptly along with the prolongation of time, the water that flows out in the loess becomes clearly gradually, and that is to say has soil body particle to infiltrate the longitudinal drainage pipe seldom again.Therefore in that operation stage, ratio was easier to drainage is safeguarded for a long time, can satisfy the longitudinal drainage requirement of loess tunnel.
Some principles of the above the utility model high-speed railway loess tunnel drainage that just explains through diagrams, be not be the utility model to be confined to shown in and in described concrete structure and the scope of application, so every the corresponding modify and equivalent that might be utilized all belongs to the claim that the utility model is applied for.
Claims (2)
1. high-speed railway loess tunnel drainage, comprise the central row ditch (10) of setting in the hole and the side gutter (11) of both sides, and the longitudinal drainage pipe (12) that segmentation is provided with between supporting in the early stage and the secondary lining, it is characterized in that: the two ends of described longitudinal drainage pipe (12) have the bending segment (12a) that communicates with side gutter (11).
2. high-speed railway loess tunnel drainage according to claim 1, it is characterized in that: the axis of described bending segment (12a), longitudinal drainage pipe (12) is staggered with 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200823643U CN201460980U (en) | 2009-07-07 | 2009-07-07 | High-speed railway loess tunnel drainage facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200823643U CN201460980U (en) | 2009-07-07 | 2009-07-07 | High-speed railway loess tunnel drainage facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201460980U true CN201460980U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200823643U Expired - Lifetime CN201460980U (en) | 2009-07-07 | 2009-07-07 | High-speed railway loess tunnel drainage facility |
Country Status (1)
| Country | Link |
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| CN (1) | CN201460980U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854028A (en) * | 2012-06-06 | 2013-01-02 | 北京交通大学 | Plugging testing apparatus for water prevention and drainage system of undersea tunnel |
| CN104791007A (en) * | 2015-04-23 | 2015-07-22 | 中交第二航务工程局有限公司 | Water draining method for tunnel construction process of penetrating through water-rich fracture zone |
| CN106638689A (en) * | 2017-01-11 | 2017-05-10 | 中铁隧道勘测设计院有限公司 | Immersed tunnel bottom plate with ribbed beams and drainage structure |
| CN107165673A (en) * | 2017-05-18 | 2017-09-15 | 中铁隧道勘测设计院有限公司 | A kind of buried Underwater Traffic Tunnel waste water Fractional Collections grading, lifting construction of Mining Method |
-
2009
- 2009-07-07 CN CN2009200823643U patent/CN201460980U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854028A (en) * | 2012-06-06 | 2013-01-02 | 北京交通大学 | Plugging testing apparatus for water prevention and drainage system of undersea tunnel |
| CN102854028B (en) * | 2012-06-06 | 2014-11-26 | 北京交通大学 | Plugging testing apparatus for water prevention and drainage system of undersea tunnel |
| CN104791007A (en) * | 2015-04-23 | 2015-07-22 | 中交第二航务工程局有限公司 | Water draining method for tunnel construction process of penetrating through water-rich fracture zone |
| CN104791007B (en) * | 2015-04-23 | 2017-03-08 | 中交第二航务工程局有限公司 | A kind of water discharge method passing through during rich water crushed zone constructing tunnel |
| CN106638689A (en) * | 2017-01-11 | 2017-05-10 | 中铁隧道勘测设计院有限公司 | Immersed tunnel bottom plate with ribbed beams and drainage structure |
| CN107165673A (en) * | 2017-05-18 | 2017-09-15 | 中铁隧道勘测设计院有限公司 | A kind of buried Underwater Traffic Tunnel waste water Fractional Collections grading, lifting construction of Mining Method |
| CN107165673B (en) * | 2017-05-18 | 2023-07-04 | 中铁第六勘察设计院集团有限公司 | Mine method deep buried underwater traffic tunnel wastewater sectional collection and grading lifting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |
|
| CX01 | Expiry of patent term |