CN112228114A - Water delivery tunnel lining and construction method - Google Patents
Water delivery tunnel lining and construction method Download PDFInfo
- Publication number
- CN112228114A CN112228114A CN202011094965.3A CN202011094965A CN112228114A CN 112228114 A CN112228114 A CN 112228114A CN 202011094965 A CN202011094965 A CN 202011094965A CN 112228114 A CN112228114 A CN 112228114A
- Authority
- CN
- China
- Prior art keywords
- platform
- tunnel
- steel
- construction method
- water delivery
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000010276 construction Methods 0.000 title claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 65
- 239000010959 steel Substances 0.000 claims abstract description 65
- 238000007664 blowing Methods 0.000 claims abstract description 14
- 239000011435 rock Substances 0.000 claims abstract description 13
- 238000011010 flushing procedure Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000005406 washing Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 238000007569 slipcasting Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a water delivery tunnel lining and a construction method, and belongs to the technical field. The method comprises the following steps of firstly, excavating a preliminary tunnel at one end, building an inverted arch in the tunnel, and secondly, paving steel rails along the building direction of the inverted arch; thirdly, using a flushing device to slide along the steel rail to flush the rock wall in the primary tunnel; sliding along the steel rail by using an air blowing device to air-dry the rock wall; and fifthly, adopting a steel mould trolley to carry out top mould and side mould treatment on the preliminary tunnel. And sixthly, grouting is carried out on the top mold and the inner wall space of the tunnel by adopting a grouting rack, wherein the flushing device and the blowing device share a walking mechanism, and catchments are dug on the inverted arch surfaces at two sides of the steel rail. The steel mould trolley, the flushing device and the blowing device can walk on the inverted arch of the tunnel along the steel rail, so that the difficulty of long operation distance is overcome, and the efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of tunnel construction, and particularly relates to a water delivery tunnel lining and a construction method.
Background
The water delivery tunnel refers to a tunnel type water delivery building. The water delivery tunnel is an important component in water conservancy projects, the water delivery tunnel is an important component in reservoir projects, and a tunnel-like mechanism system developed in mountains in the reservoir construction process has important influence on the construction quality of the reservoir projects and the exertion of reservoir functions, so the engineering quality and the danger removal reinforcement of the water delivery tunnel are very important. The water delivery tunnel line is long and narrow, and the working face is few, and there is certain degree of difficulty in the tunnel section is little, transportation, ventilation and exhaust fume to influence the construction progress, therefore lead to each machinery of construction to be difficult to the parallel construction, the efficiency of construction is low, leads to the time limit for a project longer.
Disclosure of Invention
The invention aims to overcome the defects and provide a water delivery tunnel lining and a construction method. The purpose of the invention is realized by the following technical scheme.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a water-conveying tunnel lining construction method, which comprises the following steps:
firstly, excavating a primary tunnel at one end, and building an inverted arch in the tunnel;
laying steel rails along the building direction of the inverted arch;
thirdly, using a flushing device to slide along the steel rail to flush the rock wall in the primary tunnel;
sliding along the steel rail by using an air blowing device to air-dry the rock wall;
step five, adopting a steel mould trolley to carry out top mould and side mould treatment on the preliminary tunnel;
and sixthly, grouting is performed on the top mold and the inner wall space of the tunnel by adopting a grouting rack.
Furthermore, water collecting ditches are dug on the inverted arch surfaces at two sides of the steel rail.
Furthermore, the flushing device and the blowing device both comprise a walking mechanism, the walking mechanism comprises a bottom platform, and two rows of walking rollers are mounted below the bottom platform.
Furthermore, in the flushing device, a bottom platform is provided with a circular rotating frame and a high-pressure water pump, the circular rotating frame comprises a water pipe, and the water pipe is provided with a water spraying opening.
Further, the bottom platform is provided with a through hole.
Further, in the blowing device, a circular rotating frame and a high-pressure air pump are installed on the bottom platform, a gas pipe is arranged on the circular rotating frame, an air jet is formed in the gas pipe, and the high-pressure air pump is communicated with the gas pipe.
The steel mould trolley comprises a platform steel plate and a supporting platform, the platform steel plate and the supporting platform are connected through a steel mould supporting frame, and a row of longitudinal rods are further arranged between the platform steel plate and the supporting platform; a roller is arranged below the platform steel plate; and lifting oil cylinders are hinged on the supporting platform and the vertical rod.
The lower surface mounting of platform steel sheet has a pair of bottom longeron, installs the gyro wheel under the bottom longeron, and supporting platform's lower surface mounting upper portion longeron, steel mould support frame are connected in upper portion longeron, platform steel sheet.
The slip casting rack has the bottom platform, installs the rack on the platform of bottom, and the rack top surface is construction platform, and construction platform's edge is provided with safety barrier.
The water-conveying tunnel lining is built through the construction steps.
The invention has the following beneficial effects:
the steel mould trolley, the flushing device and the blowing device can walk on the inverted arch of the tunnel along the steel rail, so that the difficulties of long operation distance, narrow space and the like are overcome, the efficiency is improved, and the construction period can be shortened.
The flushing device can completely flush and clean rock walls, can recycle flushed water, can be built in the same body with the blowing device, and reduces the total use amount of construction equipment.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of the construction steps of the present invention;
FIG. 2 is a schematic structural view of a steel form trolley;
FIG. 3 is a schematic structural view of the steel film trolley before demoulding;
FIG. 4 is a schematic diagram of a steel film trolley demolding structure;
FIG. 5 is a schematic structural view of a grouting stand;
FIG. 6 is a schematic structural diagram of the flushing device and the blowing device;
FIG. 7 is a schematic diagram of a top mold grouting structure;
in the drawings, the components represented by the respective reference numerals are listed below:
1-steel mould supporting frame; 2-bottom stringer; 3-a platform steel plate; 4-upper stringers; 5-a formwork supporting platform; 6-a roller; 7-steel rail; 8-hydraulic lifting base; 9-top mold; 10-side forms; 11-steel form trolley; 12-a lift cylinder; 13-a gantry; 14-construction platform 15-safety guard rail; 16-a bottom platform; 17-an electric motor; 18-a walking roller; 19-collecting water channels; 20-inverted arch; 21-erecting a rod; 22-horizontal bar; 23-diagonal brace rods; 24-a circular turret; 25-high pressure air pump; 26-vault lining; 27-gas pipe; 28-air jet; 29 high pressure water pump; 30-a water pumping pipe; 31-a water conveying pipe; 32-water spray; 33-voids; 34-grouting holes; 35-exhaust hole; 36-surrounding rock.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
The invention does not need to describe the technical requirements of welding between the reinforcing steel bars, concrete pouring key points, rammed earth, pile foundation construction quality standards and the like, and mainly explains the implementation mode of the structure of the invention.
Referring to fig. 1-7, the present invention relates to a method for lining a water tunnel.
Its use tool who mainly uses when carrying out construction and building mainly includes steel mould platform truck 11, the slip casting rack, washing unit, blast apparatus, wherein all install running gear under the slip casting rack, washing unit, blast apparatus, specific running gear includes bottom platform 16, install two rows of walking gyro wheels 18 under the bottom platform 16, make the slip casting rack through running gear, washing unit, blast apparatus can advance on the inverted arch 20 in the tunnel, when excavating the tunnel, set up the rail that is applicable to the gyro wheel walking at inverted arch 20 simultaneously, be provided with catch basin 19 on the other inverted arch 20.
Firstly, excavating a primary tunnel at one end, and building an inverted arch 20 in the tunnel.
Secondly, laying a steel rail 7 along the building direction of the inverted arch;
preferably, the inverted arch 20 is constructed simultaneously during the excavation outside the tunnel.
Thirdly, using a flushing device to slide along the steel rail 7 to flush the rock wall in the primary tunnel;
that is, it is thereby possible to wash and air-dry the rock wall by the washing device and the blowing device at the time of excavation.
The washing device comprises a walking mechanism, a round rotating frame 24 and a high-pressure water pump 29 are mounted on the bottom platform 16, the round rotating frame 24 comprises a water conveying pipe 31, and a water spraying opening 32 is formed in the water conveying pipe 31.
Wherein the bottom platform 16 has a through hole therein.
Fourthly, sliding along the steel rail 7 by using an air blowing device to air-dry the rock wall;
wherein, blast apparatus include running gear, install circular swivel mount 24 and high compression pump 25 on the bottom platform 16, are provided with air supply pipe 27 on the circular swivel mount 24, have seted up air jet 28 on the air supply pipe 27, and high compression pump 25 communicates air supply pipe 27.
Preferably, washing unit and blast apparatus formula device as an organic whole, install raceway 31 and also install gas-supply pipe 27 promptly on circular swivel mount promptly, wherein, circular swivel mount 24 includes carousel and "L" type pillar, the middle part of carousel has the drum, can overlap the tip of establishing at "L" type pillar, communicate through universal joint between the port of raceway 31 that its raceway 31 and pressurized-water pump 29 go up the intercommunication, raceway 31 revolves the carousel edge and fixes, water jet 32 outwards sets up along the carousel radial direction, blast apparatus also adopts above-mentioned mode of installing washing unit to install, washing unit and blast apparatus share a running gear promptly.
Hanging a reinforcing mesh on the washed and air-dried rock wall, spraying concrete to form primary support, and then binding reinforcing steel bars and supporting templates.
And step five, adopting a steel mould trolley 11 to carry out the preliminary tunnel top mould 9 and the side mould 10.
A steel form trolley 11 is used to support the top form 9 and the side form 10.
The steel mould trolley 11 comprises a platform steel plate 3 and a supporting platform 5, the platform steel plate 3 is connected with the supporting platform 5 through a steel mould supporting frame 1, a row of longitudinal rods are further arranged between the platform steel plate 3 and the supporting platform 5, a template with the length of the trolley can be simultaneously formed, and the building efficiency of a tunnel is improved; a roller 6 is arranged below the platform steel plate 3; the supporting platform 5 and the vertical rod are hinged to one end of a lifting oil cylinder 12, a sucker is installed at the other end of the lifting oil cylinder 12, and one of the top die 9 and the side die 10 is supported and jacked up through at least two lifting oil cylinders 12.
Preferably, the lower surface mounting upper portion longeron 4 of supporting platform 5, steel mould support frame 1 is connected in upper portion longeron 4, platform steel sheet 3, and wherein steel mould support frame 1 comprises rectangle frame and the connecting rod that sets up at the rectangle frame edge, by four hydraulic pressure over-and-under type bases 8 jack-up platform steel sheet 3 when building, sets up rail 7 on platform steel sheet 3, and the lower surface mounting of platform steel sheet 3 has a pair of bottom longeron 2, installs gyro wheel 6 under the bottom longeron 2.
Preferably, the lower surface of the supporting platform 5 is provided with an upper longitudinal beam 4, and the steel mould supporting frame 1 is connected to the upper longitudinal beam 4 and the platform steel plate 3.
And sixthly, grouting is carried out on the top mold 9 and the inner wall space of the tunnel by adopting a grouting rack.
In addition, after formwork supporting is completed, grouting holes 34 and exhaust holes 35 are formed in the arch top lining 26, grouting equipment is used for grouting into a gap between the arch top lining 26 and the surrounding rock 36 until cement slurry is discharged from the exhaust holes 35, and then the grouting holes 34 and the exhaust holes 35 are plugged.
Wherein the slip casting rack includes bottom platform 16, installs rack 13 on the bottom platform 16, and rack 13 top surface is construction platform 14, and construction platform's edge is provided with safety barrier 15.
The stand 13 comprises a vertical rod 21 and a diagonal rod 23 which are connected.
The water-conveying tunnel lining is built through the construction steps.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The construction method for lining the water delivery tunnel is characterized by comprising the following steps:
firstly, excavating a primary tunnel at one end, and building an inverted arch (20) in the tunnel;
secondly, laying a steel rail (7) along the building direction of the inverted arch;
thirdly, using a flushing device to slide along the steel rail (7) to flush the rock wall in the primary tunnel;
fourthly, sliding along the steel rail (7) by using an air blowing device to air-dry the rock wall;
fifthly, adopting a steel mould trolley (11) to carry out the operation on the top mould (9) and the side mould (10) of the preliminary tunnel;
and sixthly, grouting is carried out on the top mold (9) and the inner wall space of the tunnel by adopting a grouting rack.
2. The water tunnel lining and construction method according to claim 1, wherein catchments (19) are dug on the inverted arch surfaces on both sides of the steel rail (7).
3. The water delivery tunnel lining construction method according to claim 1, wherein the flushing device and the blowing device each comprise a walking mechanism, the walking mechanism comprises a bottom platform (16), and two rows of walking rollers (18) are mounted below the bottom platform (16).
4. The water delivery tunnel lining construction method according to claim 3, wherein in the washing device, a circular rotating frame (24) and a high-pressure water pump (29) are installed on the bottom platform (16), the circular rotating frame (24) comprises a water delivery pipe (31), and a water spray nozzle (32) is arranged on the water delivery pipe (31).
5. A water tunnel lining construction method according to claim 4, characterised in that the bottom platform (16) is provided with through holes.
6. The water delivery tunnel lining construction method according to claim 3, wherein in the blowing device, a circular rotating frame (24) and a high-pressure air pump (25) are installed on the bottom platform (16), an air delivery pipe (27) is arranged on the circular rotating frame (24), an air jet (28) is arranged on the air delivery pipe (27), and the high-pressure air pump (25) is communicated with the air delivery pipe (27).
7. The water delivery tunnel lining construction method according to claim 1, wherein the steel form trolley (11), the steel form trolley (11) comprises a platform steel plate (3) and a supporting platform (5), the platform steel plate (3) and the supporting platform (5) are connected through a steel form supporting frame (1), and a row of longitudinal rods are further installed between the platform steel plate (3) and the supporting platform (5); a roller (6) is arranged below the platform steel plate (3); the supporting platform (5) and the vertical rod are both hinged with a lifting oil cylinder (12).
8. The water delivery tunnel lining construction method according to claim 7, wherein a pair of bottom longitudinal beams (2) are installed on the lower surface of the platform steel plate (3), rollers (6) are installed below the bottom longitudinal beams (2), an upper longitudinal beam (4) is installed on the lower surface of the supporting platform (5), and the steel mould supporting frame (1) is connected to the upper longitudinal beam (4) and the platform steel plate (3).
9. The water delivery tunnel lining construction method according to claim 1, wherein the grouting platform frame is provided with a bottom platform (16), the bottom platform (16) is provided with the platform frame (13), the top surface of the platform frame (13) is provided with the construction platform (14), and the edge of the construction platform is provided with the safety guardrail (15).
10. The water-conveying tunnel lining is characterized by being constructed through the construction steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011094965.3A CN112228114A (en) | 2020-10-14 | 2020-10-14 | Water delivery tunnel lining and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011094965.3A CN112228114A (en) | 2020-10-14 | 2020-10-14 | Water delivery tunnel lining and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112228114A true CN112228114A (en) | 2021-01-15 |
Family
ID=74111917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011094965.3A Pending CN112228114A (en) | 2020-10-14 | 2020-10-14 | Water delivery tunnel lining and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112228114A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670446A (en) * | 2013-12-13 | 2014-03-26 | 中铁二十三局集团有限公司 | Method for constructing circular diversion tunnel 2/3 circular concrete lining |
| CN105626102A (en) * | 2016-03-18 | 2016-06-01 | 中国水利水电第三工程局有限公司 | Reducing steel formwork trolley for tunnel lining construction |
| CN110656953A (en) * | 2019-10-18 | 2020-01-07 | 中铁八局集团第六工程有限公司 | Reinforcing method for enhancing stability of inverted arch structure of high-ground-stress soft rock tunnel |
| CN210033518U (en) * | 2019-04-29 | 2020-02-07 | 中铁四局集团第四工程有限公司 | Tunnel construction dust removal curing means |
| CN111594228A (en) * | 2020-05-25 | 2020-08-28 | 浙江世润建创科技发展有限公司 | Lining of round water delivery tunnel steel mould trolley and construction method |
| CN211500666U (en) * | 2019-11-21 | 2020-09-15 | 中电建路桥集团有限公司 | Tunnel concrete maintenance atomizer |
-
2020
- 2020-10-14 CN CN202011094965.3A patent/CN112228114A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670446A (en) * | 2013-12-13 | 2014-03-26 | 中铁二十三局集团有限公司 | Method for constructing circular diversion tunnel 2/3 circular concrete lining |
| CN105626102A (en) * | 2016-03-18 | 2016-06-01 | 中国水利水电第三工程局有限公司 | Reducing steel formwork trolley for tunnel lining construction |
| CN210033518U (en) * | 2019-04-29 | 2020-02-07 | 中铁四局集团第四工程有限公司 | Tunnel construction dust removal curing means |
| CN110656953A (en) * | 2019-10-18 | 2020-01-07 | 中铁八局集团第六工程有限公司 | Reinforcing method for enhancing stability of inverted arch structure of high-ground-stress soft rock tunnel |
| CN211500666U (en) * | 2019-11-21 | 2020-09-15 | 中电建路桥集团有限公司 | Tunnel concrete maintenance atomizer |
| CN111594228A (en) * | 2020-05-25 | 2020-08-28 | 浙江世润建创科技发展有限公司 | Lining of round water delivery tunnel steel mould trolley and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109505630B (en) | Full-hydraulic crawler-type self-propelled trestle and construction method | |
| CN109538238B (en) | Tunnel arch prefabricated segment construction device and control method | |
| CN110656959B (en) | Large-section loess tunnel primary support limit-invasion arch-changing construction method | |
| CN104594361B (en) | A kind of I shape fender post and building enclosure also serve as the construction method of agent structure | |
| CN108193608A (en) | The cast-in-place road gully of mobile moldbase and construction method | |
| CN104563130B (en) | A kind of cross fender post and the double construction method doing agent structure of space enclosing structure | |
| CN206495682U (en) | A kind of stand quickly handled for Tunnel Landslide | |
| CN106351180A (en) | Full hydraulic opening self-propelled template system for aqueduct | |
| CN111676824A (en) | Bridge construction method | |
| CN109403981B (en) | Construction process of main body structure of subway shield well | |
| CN110671132B (en) | Deep loess tunnel deformation control construction structure and method based on sleeve arch | |
| CN213392191U (en) | Water delivery tunnel lining device | |
| CN112228114A (en) | Water delivery tunnel lining and construction method | |
| JP4034144B2 (en) | Slope reinforcement method | |
| CN206538737U (en) | Aqueduct is all-hydraulic to open self-propelled template system | |
| CN216305944U (en) | Template trolley system suitable for construction of small-section double-bin underground excavation tunnel lining | |
| CN208473900U (en) | A kind of wheeled mobile multifunctional tunneling operation rack of bilayer | |
| CN204435391U (en) | A kind of I shape fender post | |
| CN214272839U (en) | Modular rammed earth wall construction platform | |
| CN110883920A (en) | Prefabricated T roof beam self-propelled hydraulic pressure template device and template system | |
| CN110685719A (en) | Quick construction method for double-span simply-supported inverted arch trestle | |
| CN113700004B (en) | Deep foundation pit combined support construction device and method thereof | |
| CN214887110U (en) | Template trolley for tunnel primary support | |
| CN207974031U (en) | The cast-in-place road gully of mobile moldbase | |
| CN112814010B (en) | Construction method of steep terrain high pile cap |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210115 |