CN109203221A - A kind of piping lane tube coupling method for prefabricating - Google Patents
A kind of piping lane tube coupling method for prefabricating Download PDFInfo
- Publication number
- CN109203221A CN109203221A CN201811076013.1A CN201811076013A CN109203221A CN 109203221 A CN109203221 A CN 109203221A CN 201811076013 A CN201811076013 A CN 201811076013A CN 109203221 A CN109203221 A CN 109203221A
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- CN
- China
- Prior art keywords
- tube coupling
- piping lane
- prefabricated
- precast pedestal
- pedestal
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/76—Moulds
- B28B21/82—Moulds built-up from several parts; Multiple moulds; Moulds with adjustable parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/86—Cores
- B28B21/88—Cores adjustable, collapsible or expansible
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention discloses a kind of piping lane tube coupling method for prefabricating, belong to technical field of buildings, comprising: S1, using tube coupling prefabricated mould pour current piping lane tube coupling on the first precast pedestal, remove mold after reinforced concrete structure reaches setting intensity；S2, the prefabricated piping lane tube coupling steel reinforcement cage of the second section is placed；S3, external mold, internal model and a side mould are slid on the second precast pedestal, replaces another side mould with the tube coupling section on the first precast pedestal；S4, next section piping lane tube coupling is poured on the second precast pedestal, after next section piping lane tube coupling reinforced concrete structure reaches setting intensity, remove next section piping lane tube coupling mold after moving outside the first precast pedestal；S5, it the piping lane tube coupling on the first precast pedestal is transported to tube coupling storage area conserves, and the translation of next section piping lane tube coupling is adjusted to the first precast pedestal, repeat step S3 ~ S5 until the prefabricated task of tube coupling is completed.The prefabricated tube coupling matching degree of the present invention is high, plane compatible degree is high, precast assembly is high-efficient.
Description
Technical field
The present invention relates to technical field of building construction, in particular to a kind of piping lane tube coupling method for prefabricating.
Background technique
Currently, piping lane mostly uses rack template cast-in-place in construction, cause construction site mixed and disorderly, construction speed by
It is more to Environment Confinement Factor.According to method for prefabricating, is set up using machine and complete piping lane laying, the more same ring of duration progress
Cast-in-place want fastly is carried out under border.
Traditional engineering method is prefabricated to generally comprise fully-prefabricated assembled piping lane and half two kinds of forms of prefabricated assembled piping lane.It is complete pre-
The form that assembled piping lane processed is split according to component can be divided into two kinds of assembled of segment assembled and piecemeal (upper and lower piecemeal) again.And
The predominantly prefabricated overlapping assembled of common form in half prefabricated assembled piping lane engineering.
Wherein, segment assembled process are as follows: be alongst divided into pipe gallery according to certain size several
A segment, it is prefabricated to each segment progress globality according to fixed mold in precast plant, it then transports construction site to, passes through spiral shell
The connection type of bolt or presstressed reinforcing steel carries out a kind of assembled construction technology for forming an entirety.Piecemeal assembled process are as follows:
Piping lane is divided into two pieces up and down along cross section on the basis of the assembled piping lane of segment.It is prefabricated by precast plant and then to transport construction to existing
Field carries out a kind of assembled construction technology.Its jointing can be used be bolted, prestressing force connection or tongue and groove form connection.In advance
System overlapping assembled process are as follows: piping lane is split as three prefabricated panel, prefabricated panel and prefabricated top plate parts by splitting.In advance
Factory processed to three parts process it is prefabricated after transport construction site to, all prefabricated components are connected to form one by combined cast-in-situ technology
A entirety achievees the effect that " equivalent cast-in-place ".Sequence of construction are as follows: installation prefabricated panel binds baseplate reinforcing bar → installation prefabricated panel
Binding reinforcing steel bars of wallboards (setting up support to fix) → prefabricated top plate → disturbing concrete → of installation tears support open.
However, traditional engineering method is prefabricated low in variable cross-section (when the alternation of section) two adjacent sections cross-sections match degree, according to prefabricated
The construction of installation, piping lane overall linear is poor, waterproof performance is poor and during installation between section, needs to spend a large amount of
Time be used for integrated regulation, the more low drawback of installation effectiveness.
Summary of the invention
The purpose of the present invention is to provide a kind of piping lane tube coupling method for prefabricating, to improve the matching between prefabricated tube coupling section
Degree.
In order to achieve the above object, the present invention uses a kind of piping lane tube coupling method for prefabricating, the prefabricated mould therefor of tube coupling includes
External mold, internal model and end mould, comprising:
S1, using tube coupling prefabricated mould current piping lane tube coupling is poured on the first precast pedestal, and in current piping lane tube coupling reinforcing bar
Concrete structure removes mold after reaching setting intensity；
S2, the prefabricated tube coupling steel reinforcement cage of the second section is placed；
S3, by the sliding of external mold, internal model and a side mould on the second precast pedestal, and with the tube coupling section on the first precast pedestal
Instead of another side mould；
S4, next section piping lane tube coupling is poured on the second precast pedestal, and reach in next section piping lane tube coupling reinforced concrete structure
To after setting intensity, next section piping lane tube coupling mold is removed after moving outside the first precast pedestal；
S5, it the piping lane tube coupling on the first precast pedestal is transported to tube coupling storage area conserves, and by next section piping lane tube coupling
Translation is adjusted at the first precast pedestal position；
S6, judge whether the prefabricated task of tube coupling is completed, repeat step S3 ~ S5 if not, until the prefabricated task of tube coupling is completed.
Further, in the two side ends mould, the template plate face of a side mould is provided inwardly with recess portion, the mould of another side mould
Plate plate face to being externally provided with protrusion so that a lateral section of the prefabricated tube coupling pours into groove, another lateral section pour into it is convex
Platform.
Further, the two sides of first precast pedestal and the two sides of the second precast pedestal are respectively provided with connection buckle, in step
In rapid S2 further include:
Remain for accommodating the space of the second precast pedestal outside the first precast pedestal in advance by moving, and after the second precast pedestal of placement,
The connection of first precast pedestal and the second precast pedestal phase nearside is captivated；
And in step S4 further include:
It is after next section piping lane tube coupling reinforced concrete structure reaches setting intensity, the first precast pedestal and second is prefabricated
Connection buckle between pedestal is opened；
To move outside first precast pedestal until the boss on next section piping lane tube coupling section to completely disengage described first prefabricated
Piping lane tube coupling on pedestal；
Remove next prefabricated mould therefor of section piping lane tube coupling on second precast pedestal.
Further, when pouring tube coupling further include:
When pouring, after side wall top concrete crosses 60cm apart from precast pedestal baselap, judgement pours whether face has bleeding；
If there is bleeding, stopping is poured until continuing to pour after concrete compaction not bleeding；
Continue to pour if no bleeding.
Further, the internal model is shrinkable and entirely removes out of prefabricated tube coupling.
Further, include: to the demolishing process of tube coupling mold
The external mold is removed, and is moved to next precast pedestal to where prefabricated tube coupling；
Chamfering under the internal model is demoulded, and entire lowering is removed out of tube coupling.
Compared with prior art, there are following technical effects by the present invention: the present invention installs on the first precast pedestal first
Tube coupling prefab-form, pours tube coupling 1, maintenance, etc. it is strong after remove external mold, remove internal model；By the first precast pedestal together with tube coupling 1 outside
2.5m is moved, to place precast pedestal 2, steel reinforcement cage is hung to the second precast pedestal and in the second precast pedestal installation template, and by the
1 section of tube coupling on one precast pedestal pours tube coupling 2 as the side mould for pouring tube coupling 2, after waiting by force, moves outside tube coupling 1
10cm splits out 2 template of tube coupling；Tube coupling 1 is transported to storage pedestal, removes the first precast pedestal, 2.6m will be moved outside tube coupling 2, by the
One precast pedestal moves to the second precast pedestal position.Production task needed for the completion that repeats the above steps sets up paving frame.
Since piping lane is formed by assembled between many tube coupling sections, many tube couplings often will include various shapes, using this
Scheme using the tube coupling section of prefabricated completion as a next side mould to prefabricated tube coupling, can be improved it is each it is prefabricated after tube coupling section
Between matching degree, when each tube coupling is spliced into piping lane, the waterproof performance between each tube coupling section can be improved.
Detailed description of the invention
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail:
Fig. 1 is a kind of flow diagram of piping lane tube coupling method for prefabricating；
Fig. 2 is the prefabricated schematic diagram of first segment tube coupling；
Fig. 3 is demoulding schematic diagram after first tube coupling etc. is strong；
Fig. 4 is the second section steel bar template scheme of installation；
Fig. 5 is that the second section pours schematic diagram；
Fig. 6 is to move outside first segment tube coupling, promote schematic diagram；
Fig. 7 is the second section tube coupling vertical shift schematic diagram；
Fig. 8 is internal model main view；
Fig. 9 is internal model side view；
Figure 10 is prefabricated tube coupling sectional schematic diagram.
Specific embodiment
In order to further explain feature of the invention, reference should be made to the following detailed description and accompanying drawings of the present invention.Institute
Attached drawing is only for reference and purposes of discussion, is not used to limit protection scope of the present invention.
As shown in Figures 1 to 7, present embodiment discloses a kind of piping lane tube coupling method for prefabricating, the prefabricated tube couplings used of tube coupling
Prefabricated mould includes external mold, internal model and two side ends mould, includes the following steps S1 to S6:
S1, using tube coupling prefabricated mould current piping lane tube coupling is poured on the first precast pedestal, and in current piping lane tube coupling reinforcing bar
Concrete structure removes mold after reaching setting intensity；
S2, the prefabricated tube coupling steel reinforcement cage of the second section is placed；
S3, external mold, internal model and a side mould are slid on the second precast pedestal, and with the tube coupling section on the first precast pedestal
Instead of another side mould；
S4, next section piping lane tube coupling is poured on the second precast pedestal, and reach in next section piping lane tube coupling reinforced concrete structure
To after setting intensity, next section piping lane tube coupling mold is removed after moving outside the first precast pedestal；
S5, it the piping lane tube coupling on the first precast pedestal is transported to tube coupling storage area conserves, and by next section piping lane tube coupling
Translation is adjusted at the first precast pedestal position；
S6, judge whether the prefabricated task of tube coupling is completed, repeat step S3 ~ S5 if not, until the prefabricated task of tube coupling is completed.
Further, as shown in Figure 10, in two side ends mould, the template plate face of a side mould is provided inwardly with recess portion, another
The template plate face of side mould is to protrusion is externally provided with, so that a lateral section of the prefabricated tube coupling pours into groove, the other side is cut
Face pours into boss.
Further, the two sides of first precast pedestal and the two sides of the second precast pedestal are respectively provided with connection buckle, in step
In rapid S2 further include:
Remain for accommodating the space of the second precast pedestal outside the first precast pedestal in advance by moving, and after the second precast pedestal of placement,
The connection of first precast pedestal and the second precast pedestal phase nearside is captivated；Connection buckle is used to zipper button, when two sections whole
After prefabricated, lock is opened.Through setting connection buckle when progress tube coupling is prefabricated, it can prevent the impulse force being poured by concrete from leading
It causes two precast pedestals mutually to separate, guarantees stability of the tube coupling section as one end side form to prefabricated tube coupling mold.
And in step S4 further include:
It is after next section piping lane tube coupling reinforced concrete structure reaches setting intensity, the first precast pedestal and second is prefabricated
Connection buckle between pedestal is opened；
To move outside first precast pedestal until the boss on next section piping lane tube coupling section to completely disengage described first prefabricated
Piping lane tube coupling on pedestal；
Remove next prefabricated mould therefor of section piping lane tube coupling on second precast pedestal.
In the present embodiment, in casting, using prefabricated tube coupling section as the side mould to prefabricated tube coupling, tool
When body is arranged, matches and be configured for groove and boss between two tube coupling sections.After concrete reaches setting intensity, open
After connection structure between first precast pedestal and the second precast pedestal, 10cm will be moved outside the first precast pedestal, it is ensured that work as front tube
Wedge body between section and next tube coupling completely disengages, and prevents from damaging main body concrete in lifting process.Tube coupling is transported to scene
Afterwards, standby by crane or paving erection, the boss in upper tube coupling section is plugged in the groove in next section section and is installed, added
Fast construction speed and save the cost investment.
It should be noted that only setting two side ends mould need to be needed in mold when the first section tube coupling of progress is prefabricated in this programme,
When non-first section tube coupling is prefabricated, using a lateral section of a upper tube coupling as the side mould to prefabricated tube coupling, one can be saved
The use of side mould can be accelerated construction progress and be put into save the cost.
Further, when pouring tube coupling further include:
When pouring, after side wall top concrete crosses 60cm apart from precast pedestal baselap, judgement pours whether face has bleeding；
If there is bleeding, stopping is poured until continuing to pour after concrete compaction not bleeding；
Continue to pour if no bleeding.
Further, as shown in Figure 8-9, the internal model in the present embodiment is shrinkable and entirely removes out of prefabricated tube coupling.It is interior
Mould includes template component, hydraulic package and slide assemblies, and template component includes top template 11, and top die board ends rotate respectively
It is connected with side template 12, side template lower end is rotatably connected to lower template 13, is provided between top template 11 and side template 12
Hydraulic cylinder 21 is also equipped with hydraulic cylinder 21 between side template 12 and lower template 13, driven by the stretching, extension or contraction of hydraulic cylinder 21
Side template 12 is rotated around top template 11, and lower template 13 is driven to rotate around side template 12.
It is equipped with sliding support portion 3 below template component, slides and slidably connects sub-truss 31 in support portion 3, supports purlin
Support frame 35 is slidably connected on frame 31,35 upper end of support frame is connect by hydraulic cylinder with top template 11, and then can be passed through
Support frame 35 is that template portion 1 provides support, and 31 both ends of sub-truss are respectively equipped with first support 32 and second support 33, first
32 bottom end of frame is equipped with idler wheel, and idler wheel is equipped with lockable mechanism, and then can be branch by first support 32 and second support 33
It supports truss 31 and support is provided, 35 side of support frame is equipped with power mechanism 34, and 34 top of power mechanism passes through rack-and-pinion and support
Truss 31 is slidably connected, and 34 bottom of power mechanism is equipped with power wheel, and logical power wheel is that power mechanism 34 and support frame 35 provide
Sliding power, and then support frame 35 can be made to be slidably connected on sub-truss 31.
When in use, it is fixed by first support 32 and second support 33 by support portion 3 is slid, is then started first
Top template 11, side template 12 and lower template 13 are turned to designated position by hydraulic cylinder stretching, extension, can carry out pouring for prefabricated tube coupling 4
It builds.During pouring, top template 11 to prefabricated tube coupling provide support and molding, pour after the completion of carry out stand until
Prefabricated tube coupling reaches setting intensity, can be demoulded.During demoulding, starting hydraulic cylinder shrinkage band moving template component is whole
Body is detached from tube coupling inner surface.Power wheel after the completion of demoulding in starting power mechanism 34 drives support frame by power mechanism 34
35 slide on sub-truss 31, until support frame 35 is removed out of tube coupling.
Then the external mold of tube coupling and internal model are moved to next precast pedestal, and are mounted to the prefabricated mould therefor of tube coupling, it is right
Next tube coupling is poured.It is easy to operate efficient in entire process engineering, and production efficiency is improved, it reduces and is produced into
This.Prefabricated tube coupling section is as shown in Figure 10.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of piping lane tube coupling method for prefabricating, the prefabricated tube coupling prefabricated mould used of tube coupling includes external mold, internal model and two side ends mould,
It is characterised by comprising:
S1, using tube coupling prefabricated mould current piping lane tube coupling is poured on the first precast pedestal, and in current piping lane tube coupling reinforcing bar
Concrete structure removes mold after reaching setting intensity；
S2, the prefabricated tube coupling steel reinforcement cage of the second section is placed；
S3, external mold, internal model and a side mould are slid on the second precast pedestal, and with the tube coupling section on the first precast pedestal
Instead of another side mould；
S4, next section piping lane tube coupling is poured on the second precast pedestal, and reach in next section piping lane tube coupling reinforced concrete structure
To after setting intensity, next section piping lane tube coupling mold is removed after moving outside the first precast pedestal；
S5, it the piping lane tube coupling on the first precast pedestal is transported to tube coupling storage area conserves, and by next section piping lane tube coupling
Translation is adjusted at the first precast pedestal position；
S6, judge whether the prefabricated task of tube coupling is completed, repeat step S3 ~ S5 if not, until the prefabricated task of tube coupling is completed.
2. piping lane tube coupling method for prefabricating as claimed in claim 2, which is characterized in that in the two side ends mould, a side mould
Template plate face is provided inwardly with recess portion, and the template plate face of another side mould is to protrusion is externally provided with, so that the one of the prefabricated tube coupling
Lateral section pours into groove, another lateral section pours into boss.
3. piping lane tube coupling method for prefabricating as claimed in claim 2, which is characterized in that the two sides of first precast pedestal and
The two sides of two precast pedestals are respectively provided with connection buckle, in step s 2 further include:
The connection of first precast pedestal and the second precast pedestal phase nearside is captivated；
And in step S4 further include:
It is after next section piping lane tube coupling reinforced concrete structure reaches setting intensity, the first precast pedestal and second is prefabricated
Connection buckle between pedestal is opened；
To move outside first precast pedestal until the boss on next section piping lane tube coupling section to completely disengage described first prefabricated
Piping lane tube coupling on pedestal；
Remove next prefabricated mould therefor of section piping lane tube coupling on second precast pedestal.
4. piping lane tube coupling method for prefabricating as described in claim 1, which is characterized in that when pouring tube coupling further include:
When pouring, after side wall top concrete crosses 60cm apart from precast pedestal baselap, judgement pours whether face has bleeding；
If there is bleeding, stopping is poured until continuing to pour after concrete compaction not bleeding；
Continue to pour if no bleeding.
5. piping lane tube coupling method for prefabricating as described in claim 1, which is characterized in that the internal model is shrinkable and from prefabricated tube coupling
Interior entire removal.
6. piping lane tube coupling method for prefabricating as claimed in claim 5, which is characterized in that the demolishing process to tube coupling mold includes:
The external mold is removed, and is moved to next precast pedestal to where prefabricated tube coupling；
Chamfering under the internal model is demoulded, and entire lowering is removed out of tube coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811076013.1A CN109203221A (en) | 2018-09-14 | 2018-09-14 | A kind of piping lane tube coupling method for prefabricating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811076013.1A CN109203221A (en) | 2018-09-14 | 2018-09-14 | A kind of piping lane tube coupling method for prefabricating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109203221A true CN109203221A (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811076013.1A Pending CN109203221A (en) | 2018-09-14 | 2018-09-14 | A kind of piping lane tube coupling method for prefabricating |
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Cited By (7)
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| CN109877938A (en) * | 2019-03-12 | 2019-06-14 | 上海市城市建设设计研究总院（集团）有限公司 | More prefabricated push pipe manufacturing methods in cabin |
| CN110076889A (en) * | 2019-05-31 | 2019-08-02 | 中交武汉港湾工程设计研究院有限公司 | A kind of integral prefabricated immersed tube template system of dry-docking sequential method tunneling boring |
| CN111041990A (en) * | 2019-12-12 | 2020-04-21 | 上海市基础工程集团有限公司 | Large-section rectangular prefabricated box culvert assembling method |
| CN112589972A (en) * | 2020-11-25 | 2021-04-02 | 上海崇创机电科技有限公司 | Prefabricated pipe gallery die and construction method thereof |
| CN113107006A (en) * | 2021-04-25 | 2021-07-13 | 中化学交通建设集团市政工程有限公司 | Light movable integrated pipe gallery formwork |
| CN113172754A (en) * | 2021-04-22 | 2021-07-27 | 中电建十一局工程有限公司 | Method for manufacturing prefabricated pedestal of pipe gallery |
| CN114986666A (en) * | 2022-06-01 | 2022-09-02 | 中交第四公路工程局有限公司 | Box girder manufacturing system based on tenon-and-mortise structure combined prefabricated pedestal |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877938A (en) * | 2019-03-12 | 2019-06-14 | 上海市城市建设设计研究总院（集团）有限公司 | More prefabricated push pipe manufacturing methods in cabin |
| CN110076889A (en) * | 2019-05-31 | 2019-08-02 | 中交武汉港湾工程设计研究院有限公司 | A kind of integral prefabricated immersed tube template system of dry-docking sequential method tunneling boring |
| CN110076889B (en) * | 2019-05-31 | 2024-03-22 | 中交武汉港湾工程设计研究院有限公司 | Full-section integral prefabricated immersed tube template system adopting dry dock sequential method |
| CN111041990A (en) * | 2019-12-12 | 2020-04-21 | 上海市基础工程集团有限公司 | Large-section rectangular prefabricated box culvert assembling method |
| CN111041990B (en) * | 2019-12-12 | 2021-06-25 | 上海市基础工程集团有限公司 | Large-section rectangular prefabricated box culvert assembling method |
| CN112589972A (en) * | 2020-11-25 | 2021-04-02 | 上海崇创机电科技有限公司 | Prefabricated pipe gallery die and construction method thereof |
| CN113172754A (en) * | 2021-04-22 | 2021-07-27 | 中电建十一局工程有限公司 | Method for manufacturing prefabricated pedestal of pipe gallery |
| CN113107006A (en) * | 2021-04-25 | 2021-07-13 | 中化学交通建设集团市政工程有限公司 | Light movable integrated pipe gallery formwork |
| CN114986666A (en) * | 2022-06-01 | 2022-09-02 | 中交第四公路工程局有限公司 | Box girder manufacturing system based on tenon-and-mortise structure combined prefabricated pedestal |
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