CN111042841A - Tunnel water-proof and drainage construction process - Google Patents
Tunnel water-proof and drainage construction process Download PDFInfo
- Publication number
- CN111042841A CN111042841A CN201910423020.2A CN201910423020A CN111042841A CN 111042841 A CN111042841 A CN 111042841A CN 201910423020 A CN201910423020 A CN 201910423020A CN 111042841 A CN111042841 A CN 111042841A
- Authority
- CN
- China
- Prior art keywords
- construction
- drainage
- inspection well
- tunnel
- well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000005507 spraying Methods 0.000 claims abstract description 28
- 239000011435 rock Substances 0.000 claims abstract description 7
- 238000007689 inspection Methods 0.000 claims description 84
- 239000013049 sediment Substances 0.000 claims description 71
- 239000004576 sand Substances 0.000 claims description 29
- 239000004567 concrete Substances 0.000 claims description 24
- 239000004746 geotextile Substances 0.000 claims description 18
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 12
- 239000010410 layer Substances 0.000 claims description 12
- 239000011150 reinforced concrete Substances 0.000 claims description 12
- 239000002356 single layer Substances 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a tunnel water-proof and drainage construction process, belongs to the technical field of tunnel construction, and solves the problem that a tunnel is easy to collapse in the construction process when the tunnel is subjected to water-proof and drainage construction; the technical characteristics are as follows: the method comprises the following steps: the method comprises the steps of installing the semicircular drain pipes on the surface of surrounding rock, enabling the diameter of each semicircular drain pipe to be 100cm, carrying out initial spraying on the semicircular drain pipes, enabling a primary spraying layer to be formed on the surfaces of the semicircular drain pipes, enabling the thickness of the primary spraying layer to be 2-5 cm, reserving the semicircular drain pipes after the initial spraying to the outside of a primary support, guaranteeing quick and safe discharge of accumulated water in the tunnel, guaranteeing normal operation of tunnel construction, avoiding potential safety hazards caused by water seepage in the tunnel, and being low in construction acceptance and good in waterproof effect.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a tunnel waterproof and drainage construction process.
Background
The tunnel is an engineering building buried in the stratum, the construction of highways and railways can not leave the tunnel, particularly the tunnel construction is an essential link in the process of road construction in the rugged areas such as hills, mountainous areas and the like. Compared with the construction of a flat road surface, the construction of the tunnel is more difficult, the construction period is longer, and the tunnel is always the key point and the difficulty point of one road construction.
In the tunnel construction process, how to avoid the tunnel water seepage is a technical problem, in order to avoid the condition of water seepage in the tunnel construction process, the tunnel needs to be subjected to water prevention and drainage construction in the tunnel construction process, and at the present stage, when the water prevention and drainage construction is carried out on the tunnel, hole collapse easily occurs in the tunnel in the construction process, so that the tunnel water prevention and drainage construction process is provided.
Disclosure of Invention
The invention aims to provide a tunnel water-proofing and drainage construction process, which aims to solve the problem that a tunnel is easy to collapse in the construction process when the tunnel is subjected to water-proofing and drainage construction.
In order to achieve the purpose, the invention provides the following technical scheme:
a tunnel water-proof and drainage construction process comprises the following steps:
s1, construction preparation;
s101, preparing technology, and calling address data and hydrogeological data of site construction before starting construction;
s102, taking technical performance data of the construction machinery and the corollary equipment thereof;
s103, retrieving a construction scheme of the pile foundation engineering with operability, test data of a construction process and engineering geological data;
s104, maintaining and repairing the construction mechanical equipment, and installing the construction mechanical equipment on a construction site;
s2, installing a semicircular drainage pipe on the surface of the surrounding rock, wherein the diameter of the semicircular drainage pipe is 100cm, then performing initial spraying on the semicircular drainage pipe, forming an initial spraying layer on the surface of the semicircular drainage pipe, wherein the thickness of the initial spraying layer is 2-5 cm, and reserving the semicircular drainage pipe after the initial spraying to the outside of an initial support;
s3, installing a semicircular drain pipe on the primary support surface, and installing a longitudinal drain pipe on the primary support surface after the semicircular drain pipe is safe;
s4, pre-burying a transverse drain pipe on the primary support surface, wherein a three-hole joint is arranged on the transverse drain pipe and is simultaneously communicated with a longitudinal drain pipe, and the longitudinal drain pipe and the transverse drain pipe are arranged vertically;
s5, measuring the thickness of sediments on the primary support surface, paving geotextile on the primary support surface, and paving a waterproof board after the geotextile is paved;
s6, pre-burying a transverse drainage pipe, then performing inverted arch backfill reservation, and digging a central drainage ditch at the upper part of the waterproof board;
s7, digging an inspection well and a sediment trap, sealing the central drainage ditch, and placing a central drainage ditch cover plate on the top of the central drainage ditch; then installing the inspection well and the cover of the sand sediment trap.
As a further scheme of the invention: in step S5, the waterproof board is an EVA flat waterproof board, the thickness of the waterproof board is 1.5mm, and the gram weight of the geotextile is 350g/m2。
As a still further scheme of the invention: in step S6, the central drainage ditch is a rectangular drainage ditch of 60 × 60cm, the central drainage ditch is provided with sand sediment wells every 50m, each 250m is provided with an inspection well, no sand sediment well is provided at the inspection well, and both the sand sediment well and the inspection well are blind wells.
As a still further scheme of the invention: in the step S6, the inspection well is a closed-up concrete well, the inner diameter of the inspection well is 100cm, the depth of the inspection well is 250cm, the wall thickness of the inspection well is 20cm, the well body of the inspection well is made of C25 concrete, the well cover of the inspection well is made of C30 reinforced concrete, the diameter of the well cover of the inspection well is 100cm, the thickness of the well cover of the inspection well is 20cm, a single layer of reinforcing steel bars is arranged at the bottom of the well cover of the inspection well, and the thickness of the single layer of reinforcing steel bars is 5 cm.
As a still further scheme of the invention: in step S6, the sediment trap is a cylindrical concrete trap, the inner diameter of the sediment trap is 70cm, the depth of the sediment trap is 158cm, the wall thickness of the sediment trap is 20cm, the body of the sediment trap is made of C25 concrete, the cover of the sediment trap is made of C30 reinforced concrete, and the diameter of the cover of the sediment trap is 100 cm.
Compared with the prior art, the invention has the beneficial effects that: the invention ensures the rapid and safe discharge of accumulated water in the tunnel, ensures the normal operation of tunnel construction, can avoid potential safety hazard caused by water seepage in the tunnel, has low construction cost and good waterproof effect, and avoids the phenomenon of hole collapse in the tunnel.
Drawings
Fig. 1 is a flow diagram of a tunnel waterproof and drainage construction process.
Detailed Description
The technical solutions of the present invention will be described in further detail with reference to specific embodiments, and it should be apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, a tunnel waterproof and drainage construction process includes the following steps:
s1, construction preparation;
s101, preparing technology, and calling address data and hydrogeological data of site construction before starting construction;
s102, taking technical performance data of the construction machinery and the corollary equipment thereof;
s103, retrieving a construction scheme of the pile foundation engineering with operability, test data of a construction process and engineering geological data;
s104, maintaining and repairing the construction mechanical equipment, and installing the construction mechanical equipment on a construction site;
s2, installing a semicircular drainage pipe on the surface of the surrounding rock, wherein the diameter of the semicircular drainage pipe is 100cm, then carrying out initial spraying on the semicircular drainage pipe, forming a primary spraying layer on the surface of the semicircular drainage pipe, wherein the thickness of the primary spraying layer is 2cm, and reserving the semicircular drainage pipe after the initial spraying to the outside of the primary support;
s3, installing a semicircular drain pipe on the primary support surface, and installing a longitudinal drain pipe on the primary support surface after the semicircular drain pipe is safe;
s4, pre-burying a transverse drain pipe on the primary support surface, wherein a three-hole joint is arranged on the transverse drain pipe and is simultaneously communicated with a longitudinal drain pipe, and the longitudinal drain pipe and the transverse drain pipe are arranged vertically;
s5, measuring the thickness of sediments on the primary support surface, paving geotextile on the primary support surface, and paving a waterproof board after the geotextile is paved;
s6, pre-burying a transverse drainage pipe, then performing inverted arch backfill reservation, and digging a central drainage ditch at the upper part of the waterproof board;
s7, digging an inspection well and a sediment trap, sealing the central drainage ditch, and placing a central drainage ditch cover plate on the top of the central drainage ditch; then installing the inspection well and the cover of the sand sediment trap.
In step S5, the waterproof board is an EVA flat waterproof board, the thickness of the waterproof board is 1.5mm, and the gram weight of the geotextile is 350g/m2。
In step S6, the central drainage ditch is a rectangular drainage ditch of 60 × 60cm, the central drainage ditch is provided with sand sediment wells every 50m, each 250m is provided with an inspection well, no sand sediment well is provided at the inspection well, and both the sand sediment well and the inspection well are blind wells.
In the step S6, the inspection well is a closed-up concrete well, the inner diameter of the inspection well is 100cm, the depth of the inspection well is 250cm, the wall thickness of the inspection well is 20cm, the well body of the inspection well is made of C25 concrete, the well cover of the inspection well is made of C30 reinforced concrete, the diameter of the well cover of the inspection well is 100cm, the thickness of the well cover of the inspection well is 20cm, a single layer of reinforcing steel bars is arranged at the bottom of the well cover of the inspection well, and the thickness of the single layer of reinforcing steel bars is 5 cm.
In step S6, the sediment trap is a cylindrical concrete trap, the inner diameter of the sediment trap is 70cm, the depth of the sediment trap is 158cm, the wall thickness of the sediment trap is 20cm, the body of the sediment trap is made of C25 concrete, the cover of the sediment trap is made of C30 reinforced concrete, and the diameter of the cover of the sediment trap is 100 cm.
Example 2
Referring to fig. 1, a tunnel waterproof and drainage construction process includes the following steps:
s1, construction preparation;
s101, preparing technology, and calling address data and hydrogeological data of site construction before starting construction;
s102, taking technical performance data of the construction machinery and the corollary equipment thereof;
s103, retrieving a construction scheme of the pile foundation engineering with operability, test data of a construction process and engineering geological data;
s104, maintaining and repairing the construction mechanical equipment, and installing the construction mechanical equipment on a construction site;
s2, installing a semicircular drainage pipe on the surface of the surrounding rock, wherein the diameter of the semicircular drainage pipe is 100cm, then carrying out initial spraying on the semicircular drainage pipe, forming an initial spraying layer on the surface of the semicircular drainage pipe, wherein the thickness of the initial spraying layer is 2.5cm, and reserving the semicircular drainage pipe after the initial spraying to the outside of an initial support;
s3, installing a semicircular drain pipe on the primary support surface, and installing a longitudinal drain pipe on the primary support surface after the semicircular drain pipe is safe;
s4, pre-burying a transverse drain pipe on the primary support surface, wherein a three-hole joint is arranged on the transverse drain pipe and is simultaneously communicated with a longitudinal drain pipe, and the longitudinal drain pipe and the transverse drain pipe are arranged vertically;
s5, measuring the thickness of sediments on the primary support surface, paving geotextile on the primary support surface, and paving a waterproof board after the geotextile is paved;
s6, pre-burying a transverse drainage pipe, then performing inverted arch backfill reservation, and digging a central drainage ditch at the upper part of the waterproof board;
s7, digging an inspection well and a sediment trap, sealing the central drainage ditch, and placing a central drainage ditch cover plate on the top of the central drainage ditch; then installing the inspection well and the cover of the sand sediment trap.
In step S5, the waterproof board is an EVA flat waterproof board, the thickness of the waterproof board is 1.5mm, and the gram weight of the geotextile is 350g/m2。
In step S6, the central drainage ditch is a rectangular drainage ditch of 60 × 60cm, the central drainage ditch is provided with sand sediment wells every 50m, each 250m is provided with an inspection well, no sand sediment well is provided at the inspection well, and both the sand sediment well and the inspection well are blind wells.
In the step S6, the inspection well is a closed-up concrete well, the inner diameter of the inspection well is 100cm, the depth of the inspection well is 250cm, the wall thickness of the inspection well is 20cm, the well body of the inspection well is made of C25 concrete, the well cover of the inspection well is made of C30 reinforced concrete, the diameter of the well cover of the inspection well is 100cm, the thickness of the well cover of the inspection well is 20cm, a single layer of reinforcing steel bars is arranged at the bottom of the well cover of the inspection well, and the thickness of the single layer of reinforcing steel bars is 5 cm.
In step S6, the sediment trap is a cylindrical concrete trap, the inner diameter of the sediment trap is 70cm, the depth of the sediment trap is 158cm, the wall thickness of the sediment trap is 20cm, the body of the sediment trap is made of C25 concrete, the cover of the sediment trap is made of C30 reinforced concrete, and the diameter of the cover of the sediment trap is 100 cm.
Example 3
Referring to fig. 1, a tunnel waterproof and drainage construction process includes the following steps:
s1, construction preparation;
s101, preparing technology, and calling address data and hydrogeological data of site construction before starting construction;
s102, taking technical performance data of the construction machinery and the corollary equipment thereof;
s103, retrieving a construction scheme of the pile foundation engineering with operability, test data of a construction process and engineering geological data;
s104, maintaining and repairing the construction mechanical equipment, and installing the construction mechanical equipment on a construction site;
s2, installing a semicircular drainage pipe on the surface of the surrounding rock, wherein the diameter of the semicircular drainage pipe is 100cm, then carrying out initial spraying on the semicircular drainage pipe, forming a primary spraying layer on the surface of the semicircular drainage pipe, wherein the thickness of the primary spraying layer is 3cm, and reserving the semicircular drainage pipe after the initial spraying to the outside of the primary support;
s3, installing a semicircular drain pipe on the primary support surface, and installing a longitudinal drain pipe on the primary support surface after the semicircular drain pipe is safe;
s4, pre-burying a transverse drain pipe on the primary support surface, wherein a three-hole joint is arranged on the transverse drain pipe and is simultaneously communicated with a longitudinal drain pipe, and the longitudinal drain pipe and the transverse drain pipe are arranged vertically;
s5, measuring the thickness of sediments on the primary support surface, paving geotextile on the primary support surface, and paving a waterproof board after the geotextile is paved;
s6, pre-burying a transverse drainage pipe, then performing inverted arch backfill reservation, and digging a central drainage ditch at the upper part of the waterproof board;
s7, digging an inspection well and a sediment trap, sealing the central drainage ditch, and placing a central drainage ditch cover plate on the top of the central drainage ditch; then installing the inspection well and the cover of the sand sediment trap.
In step S5, the waterproof board is an EVA flat waterproof board, the thickness of the waterproof board is 1.5mm, and the gram weight of the geotextile is 350g/m2。
In step S6, the central drainage ditch is a rectangular drainage ditch of 60 × 60cm, the central drainage ditch is provided with sand sediment wells every 50m, each 250m is provided with an inspection well, no sand sediment well is provided at the inspection well, and both the sand sediment well and the inspection well are blind wells.
In the step S6, the inspection well is a closed-up concrete well, the inner diameter of the inspection well is 100cm, the depth of the inspection well is 250cm, the wall thickness of the inspection well is 20cm, the well body of the inspection well is made of C25 concrete, the well cover of the inspection well is made of C30 reinforced concrete, the diameter of the well cover of the inspection well is 100cm, the thickness of the well cover of the inspection well is 20cm, a single layer of reinforcing steel bars is arranged at the bottom of the well cover of the inspection well, and the thickness of the single layer of reinforcing steel bars is 5 cm.
In step S6, the sediment trap is a cylindrical concrete trap, the inner diameter of the sediment trap is 70cm, the depth of the sediment trap is 158cm, the wall thickness of the sediment trap is 20cm, the body of the sediment trap is made of C25 concrete, the cover of the sediment trap is made of C30 reinforced concrete, and the diameter of the cover of the sediment trap is 100 cm.
Example 4
Referring to fig. 1, a tunnel waterproof and drainage construction process includes the following steps:
s1, construction preparation;
s101, preparing technology, and calling address data and hydrogeological data of site construction before starting construction;
s102, taking technical performance data of the construction machinery and the corollary equipment thereof;
s103, retrieving a construction scheme of the pile foundation engineering with operability, test data of a construction process and engineering geological data;
s104, maintaining and repairing the construction mechanical equipment, and installing the construction mechanical equipment on a construction site;
s2, installing a semicircular drainage pipe on the surface of the surrounding rock, wherein the diameter of the semicircular drainage pipe is 100cm, then carrying out initial spraying on the semicircular drainage pipe, forming a primary spraying layer on the surface of the semicircular drainage pipe, wherein the thickness of the primary spraying layer is 5cm, and reserving the semicircular drainage pipe after the initial spraying to the outside of the primary support;
s3, installing a semicircular drain pipe on the primary support surface, and installing a longitudinal drain pipe on the primary support surface after the semicircular drain pipe is safe;
s4, pre-burying a transverse drain pipe on the primary support surface, wherein a three-hole joint is arranged on the transverse drain pipe and is simultaneously communicated with a longitudinal drain pipe, and the longitudinal drain pipe and the transverse drain pipe are arranged vertically;
s5, measuring the thickness of sediments on the primary support surface, paving geotextile on the primary support surface, and paving a waterproof board after the geotextile is paved;
s6, pre-burying a transverse drainage pipe, then performing inverted arch backfill reservation, and digging a central drainage ditch at the upper part of the waterproof board;
s7, digging an inspection well and a sediment trap, sealing the central drainage ditch, and placing a central drainage ditch cover plate on the top of the central drainage ditch; then installing the inspection well and the cover of the sand sediment trap.
In step S5, the waterproof board is an EVA flat waterproof board, the thickness of the waterproof board is 1.5mm, and the gram weight of the geotextile is 350g/m2。
In step S6, the central drainage ditch is a rectangular drainage ditch of 60 × 60cm, the central drainage ditch is provided with sand sediment wells every 50m, each 250m is provided with an inspection well, no sand sediment well is provided at the inspection well, and both the sand sediment well and the inspection well are blind wells.
In the step S6, the inspection well is a closed-up concrete well, the inner diameter of the inspection well is 100cm, the depth of the inspection well is 250cm, the wall thickness of the inspection well is 20cm, the well body of the inspection well is made of C25 concrete, the well cover of the inspection well is made of C30 reinforced concrete, the diameter of the well cover of the inspection well is 100cm, the thickness of the well cover of the inspection well is 20cm, a single layer of reinforcing steel bars is arranged at the bottom of the well cover of the inspection well, and the thickness of the single layer of reinforcing steel bars is 5 cm.
In step S6, the sediment trap is a cylindrical concrete trap, the inner diameter of the sediment trap is 70cm, the depth of the sediment trap is 158cm, the wall thickness of the sediment trap is 20cm, the body of the sediment trap is made of C25 concrete, the cover of the sediment trap is made of C30 reinforced concrete, and the diameter of the cover of the sediment trap is 100 cm.
The invention has the beneficial effects that: the invention ensures the rapid and safe discharge of accumulated water in the tunnel, ensures the normal operation of tunnel construction, can avoid potential safety hazard caused by water seepage in the tunnel, has low construction cost and good waterproof effect, and avoids the phenomenon of hole collapse in the tunnel.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A tunnel water-proof and drainage construction process is characterized by comprising the following steps:
s1, construction preparation;
s101, preparing technology, and calling address data and hydrogeological data of site construction before starting construction;
s102, taking technical performance data of the construction machinery and the corollary equipment thereof;
s103, retrieving a construction scheme of the pile foundation engineering with operability, test data of a construction process and engineering geological data;
s104, maintaining and repairing the construction mechanical equipment, and installing the construction mechanical equipment on a construction site;
s2, installing a semicircular drainage pipe on the surface of the surrounding rock, performing initial spraying on the semicircular drainage pipe, forming a primary spraying layer on the surface of the semicircular drainage pipe, and reserving the semicircular drainage pipe subjected to the initial spraying outside a primary support;
s3, installing a semicircular drain pipe on the primary support surface, and installing a longitudinal drain pipe on the primary support surface after the semicircular drain pipe is safe;
s4, pre-burying a transverse drain pipe on the primary support surface, wherein a three-hole joint is arranged on the transverse drain pipe and is simultaneously communicated with a longitudinal drain pipe, and the longitudinal drain pipe and the transverse drain pipe are arranged vertically;
s5, measuring the thickness of sediments on the primary support surface, paving geotextile on the primary support surface, and paving a waterproof board after the geotextile is paved;
s6, pre-burying a transverse drainage pipe, then performing inverted arch backfill reservation, and digging a central drainage ditch at the upper part of the waterproof board;
s7, digging an inspection well and a sediment trap, sealing the central drainage ditch, and placing a central drainage ditch cover plate on the top of the central drainage ditch; then installing the inspection well and the cover of the sand sediment trap.
2. The tunnel waterproof and drainage construction process according to claim 1, wherein in the step S2, the diameter of the semicircular drainage pipe is 100 cm.
3. The tunnel waterproof and drainage construction process according to claim 2, wherein in the step S2, the thickness of the primary spraying layer is 2-5 cm.
4. The tunnel waterproof and drainage construction process of claim 1, wherein in the step S5, the waterproof sheet is an EVA flat waterproof sheet, the thickness of the waterproof sheet is 1.5mm, and the grammage of the geotextile is 350g/m2。
5. The tunnel waterproof and drainage construction process according to any one of claims 1 to 4, wherein in step S6, the central drainage ditch is a rectangular drainage ditch of 60 x 60cm, the central drainage ditch is provided with one sediment trap every 50m, the central drainage ditch is provided with one inspection well every 250m, and no sediment trap is provided at the inspection well.
6. The tunnel waterproof and drainage construction process according to claim 5, wherein the sand sediment trap and the inspection well are blind wells.
7. The tunnel waterproof and drainage construction process of claim 6, wherein in the step S6, the inspection well is a closed-end type concrete well, the inner diameter of the inspection well is 100cm, the depth of the inspection well is 250cm, the wall thickness of the inspection well is 20cm, the body of the inspection well is made of C25 concrete, the well cover of the inspection well is made of C30 reinforced concrete, the diameter of the well cover of the inspection well is 100cm, the thickness of the well cover of the inspection well is 20cm, a single layer of reinforcing steel bars is arranged at the bottom of the well cover of the inspection well, and the thickness of the single layer of reinforcing steel bars is 5 cm.
8. The tunnel waterproof and drainage construction process of claim 6, wherein in the step S6, the sand trap is a cylindrical concrete trap, the inner diameter of the sand trap is 70cm, the depth of the sand trap is 158cm, the wall thickness of the sand trap is 20cm, the sand trap body is made of C25 concrete, the sand trap cover is made of C30 reinforced concrete, and the diameter of the sand trap cover is 100 cm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910423020.2A CN111042841A (en) | 2019-05-21 | 2019-05-21 | Tunnel water-proof and drainage construction process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910423020.2A CN111042841A (en) | 2019-05-21 | 2019-05-21 | Tunnel water-proof and drainage construction process |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111042841A true CN111042841A (en) | 2020-04-21 |
Family
ID=70231661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910423020.2A Pending CN111042841A (en) | 2019-05-21 | 2019-05-21 | Tunnel water-proof and drainage construction process |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111042841A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113153379A (en) * | 2021-04-27 | 2021-07-23 | 重庆永昂实业有限公司 | Tunnel water-proof and drainage system and construction process |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203394584U (en) * | 2013-07-31 | 2014-01-15 | 中南大学 | Water drainage concealed pipe device applicable to collapsible loess tunnel |
CN104806272A (en) * | 2015-04-15 | 2015-07-29 | 西安科技大学 | Tunnel diversion composite type waterproof and drainage system as well as construction method and use method thereof |
CN207960676U (en) * | 2018-03-07 | 2018-10-12 | 中南大学 | One kind is for spraying pipe network drainage system in anchor single shell lining |
CN208310794U (en) * | 2017-12-27 | 2019-01-01 | 中铁二院工程集团有限责任公司 | The tunnel-liner of haunch floor type and the drainage system of leaked oil is arranged in tunnel bottom |
CN208502838U (en) * | 2018-07-25 | 2019-02-15 | 中交二公局东萌工程有限公司 | A kind of freeway tunnel waterproof and water drainage system |
CN208564562U (en) * | 2018-07-18 | 2019-03-01 | 山西省交通科学研究院 | It is a kind of suitable for Han Qu and the tunnel support structure in highlight lines earthquake region |
CN109441535A (en) * | 2018-11-09 | 2019-03-08 | 中国十七冶集团有限公司 | A kind of tunnel waterproof and water drainage system and its construction method |
CN109681271A (en) * | 2019-01-04 | 2019-04-26 | 交通运输部公路科学研究所 | A kind of built-in type tunnel ring direction drainpipe method for arranging |
CN208858401U (en) * | 2018-09-03 | 2019-05-14 | 中铁二局第二工程有限公司 | A kind of tunnel drainage structure |
-
2019
- 2019-05-21 CN CN201910423020.2A patent/CN111042841A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203394584U (en) * | 2013-07-31 | 2014-01-15 | 中南大学 | Water drainage concealed pipe device applicable to collapsible loess tunnel |
CN104806272A (en) * | 2015-04-15 | 2015-07-29 | 西安科技大学 | Tunnel diversion composite type waterproof and drainage system as well as construction method and use method thereof |
CN208310794U (en) * | 2017-12-27 | 2019-01-01 | 中铁二院工程集团有限责任公司 | The tunnel-liner of haunch floor type and the drainage system of leaked oil is arranged in tunnel bottom |
CN207960676U (en) * | 2018-03-07 | 2018-10-12 | 中南大学 | One kind is for spraying pipe network drainage system in anchor single shell lining |
CN208564562U (en) * | 2018-07-18 | 2019-03-01 | 山西省交通科学研究院 | It is a kind of suitable for Han Qu and the tunnel support structure in highlight lines earthquake region |
CN208502838U (en) * | 2018-07-25 | 2019-02-15 | 中交二公局东萌工程有限公司 | A kind of freeway tunnel waterproof and water drainage system |
CN208858401U (en) * | 2018-09-03 | 2019-05-14 | 中铁二局第二工程有限公司 | A kind of tunnel drainage structure |
CN109441535A (en) * | 2018-11-09 | 2019-03-08 | 中国十七冶集团有限公司 | A kind of tunnel waterproof and water drainage system and its construction method |
CN109681271A (en) * | 2019-01-04 | 2019-04-26 | 交通运输部公路科学研究所 | A kind of built-in type tunnel ring direction drainpipe method for arranging |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113153379A (en) * | 2021-04-27 | 2021-07-23 | 重庆永昂实业有限公司 | Tunnel water-proof and drainage system and construction process |
CN113153379B (en) * | 2021-04-27 | 2024-01-09 | 重庆永昂实业有限公司 | Tunnel waterproof and drainage system and construction process |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102418347B (en) | Drainage construction method for blind drain and sump wells in deep foundation pit | |
CN104110038A (en) | Construction method for large-area pit support structure in deep-sludge type soft soil area | |
CN102943479A (en) | System and method for controlling deformation of deep and large foundation pit through partition unloading | |
CN104532957B (en) | Existing building sets up basement reversed construction method | |
CN107794946B (en) | Underground comprehensive pipe rack structure deeply buried in soft soil and construction method thereof | |
CN112252336A (en) | Construction method for backfilling foundation trench of premixed fluidized solidified soil | |
CN103911996A (en) | Construction method for pulling out steel sheet piles close to existing buildings | |
CN212294747U (en) | Pipe jacking well structure | |
CN201538975U (en) | Seepage-proofing joint of underground continuous wall | |
CN101575859B (en) | Anti-seepage joint of underground continuous walls and construction method thereof | |
CN101638898B (en) | Suspension type construction method of top pipe shaft | |
CN112523264B (en) | High-steep side slope seepage prevention system and laying method thereof | |
CN106320368A (en) | Construction method suitable for open cut pipeline of composite stratum | |
KR20180096552A (en) | Multi-wall construction method for construction of ports, rivers, dams, and concrete buildings that can prevent the inflow of soil and water, and building structure using the multi-wall structure | |
CN113431097A (en) | Protection structure of shallow foundation building next to deep foundation pit engineering and construction method | |
CN111042841A (en) | Tunnel water-proof and drainage construction process | |
CN106988337A (en) | Reinforcing method for reducing uneven settlement of strip-shaped shallow foundation house | |
CN103590424A (en) | Road passage underground project construction method | |
CN110512594A (en) | The simple and easy method of churning driven opportunity cavity pore-forming | |
CN208023600U (en) | A kind of caisson structure suitable for complex environment | |
JP2007169927A (en) | Earthquake resisting manhole structure and its manufacturing method | |
CN210315908U (en) | Immersed tube type inspection well | |
CN203977434U (en) | The foundation pit enclosure structure of deep In Soft Muddy Soil Region | |
CN103774698B (en) | Drainage-free construction method for soil engineering | |
CN105064384A (en) | Vacuum tube well precipitation system under special geological conditions |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200421 |
|
RJ01 | Rejection of invention patent application after publication |