CN108755758A - The construction method of full prefabrication and assembly construction superposed type empty stomach wallboard underground pipe gallery - Google Patents
The construction method of full prefabrication and assembly construction superposed type empty stomach wallboard underground pipe gallery Download PDFInfo
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- CN108755758A CN108755758A CN201810748232.3A CN201810748232A CN108755758A CN 108755758 A CN108755758 A CN 108755758A CN 201810748232 A CN201810748232 A CN 201810748232A CN 108755758 A CN108755758 A CN 108755758A
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- 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
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Abstract
The present invention relates to the construction methods of full prefabrication and assembly construction superposed type empty stomach wallboard underground pipe gallery, including：Big Division, excavation of foundation pit, bed course and bottom waterproof construction, base plate paving, wallboard is laid with, underplate concrete pours, top plate and wallboard concrete pouring, top plate and wallboard waterproof construction, checks and accepts the critical processes such as backfill.This rapid constructing method is by the advance subregion segmented mode of prefabrication and assembly construction superposed type empty stomach wallboard underground pipe gallery, continuous productive process is raised by provincial series, site operation difficulty and the working strength of operating worker can effectively be reduced, effectively control construction quality, ensure key position overall stiffness and forming accuracy, engineering comprehensive cost is effectively reduced, construction efficiency is improved, substantially accelerates construction progress.
Description
Technical field
The present invention relates to underground pipe galleries, are integrated more particularly to a kind of full prefabrication and assembly construction superposed type empty stomach wallboard underground
The construction method of piping lane.
Background technology
Now, numerous advantageous characteristics such as Urban Underground pipe gallery is comprehensive with its, long-term effect, maintainability, the feature of environmental protection,
By extensive use more and more.Promotion with people to pipe gallery performance requirement, Pipe rack is increasingly complicated, construction week
Phase is increasingly longer, and traditional construction technology has been difficult to meet new requirement, particularly with long range, multi-section complicated construction condition
Under underground pipe gallery, it is proposed that more harsh construction requirement.
Underground pipe gallery generally use integral cast-in-situ construction method, due to the binding of this method scene reinforcing bar, template paving
And if concreting quantities is big, usual difficulty of construction is big, and the period is long, of high cost, as an improvement, it has been proposed that prefabrication and assembly construction
Method is to improve construction technology, wherein piping lane is split as the basic prefabricated components of board wall, assembly at the scene shapes, finally by
Overlapping cast-in-place concrete, which forms integrally-built prefabrication and assembly construction superposed type mode of construction, has numerous advantages, but due to this construction
Mode still belongs to the starting stage at home, and relevant codes and standards are not yet complete, and construction experience also accumulates deficiency, gives Practical Project item
Mesh practice proposes huge challenge.
Invention content
The construction period can be effectively shortened technical problem to be solved by the invention is to provide a kind of, and it is difficult to reduce site operation
Degree promotes site operation quality, the full prefabrication and assembly construction superposed type empty stomach wallboard underground integrated pipe under reduction construction comprehensive cost
Corridor rapid constructing method.
The technical solution adopted by the present invention to solve the technical problems is：Full prefabrication and assembly construction superposed type empty stomach wallboard is provided
The construction method of lower pipe gallery, is as follows：
(a) big Division：Piping lane is overlapped according to prefabrication and assembly construction and is laid with distance, and piping lane is divided into several continuous productive process great Qu,
In each great Qu, range and deformation joint position are once lifted according to hanging device, piping lane is divided into several segments, according to subregion point
Section sequence carries out cross construction arrangement；
(b) excavation of foundation pit, bed course and bottom waterproof construction：According to cross construction arrangement, precipitation and pattern foundation pit supporting structure etc. are carried out
After work, range is laid with to pipe gallery and carries out excavation of foundation pit, smooth cleaning then is carried out to hole bottom, carried out bed course and bottom is anti-
Water；
(c) the first flowing water great Qu first segment base plate pavings：Start to spread along first flowing water great Qu first segments one end first
If then bottom plate cement mortar is laid with prefabricated panel and baseplate reinforcing bar successively in cement mortar；
(d) the first flowing water great Qu first segment empty stomach wallboards are laid with：Start along first flowing water great Qu first segments one end, adopts
It is laid with side empty stomach wallboard, intermediate empty stomach wallboard, other side Prefabricated hollow wallboard successively with hanging device；When wallboard is laid with, adopt
It is supported with lateral support component, to ensure its stability；
(e) remaining segment bottom plate of the first flowing water great Qu and empty stomach wallboard are laid with：It is laid with successively according to step c~step d
Remaining segment bottom plate of one flowing water great Qu and empty stomach wallboard；
(f) the first flowing water great Qu bottom plates overlap concreting：The first flowing water great Qu bottom plates overlapping concrete is poured, is gone forward side by side
Row maintenance, while according to step c same procedures, being laid with next flowing water great Qu first segment bottom plates；
(g) the first flowing water great Qu first segment top plates are laid with：Wait for that the first flowing water great Qu bottom plates overlapping concrete reaches requirement
After intensity, flowing water great Qu first segment top plate supportings are installed, prefabricated top plate is laid with, meanwhile, according to step d same procedures, paving
Set a flowing water great Qu first segment empty stomach wallboards；
(h) remaining segment top plate of the first flowing water great Qu is laid with：According to step g, it is laid with remaining section of the first flowing water great Qu successively
Section top plate, while being laid with next remaining segment bottom plate of flowing water great Qu and empty stomach wallboard according to step c~step d；
(i) the first flowing water great Qu empty stomaches wallboard and top plate overlap concreting：Bind the first flowing water great Qu roof steel bars
Afterwards, it pours between the first flowing water great Qu empty stomach wallboards and the overlapping concrete of top plate, and is conserved；It is identical according to step f simultaneously
Method pours next flowing water great Qu bottom plates overlapping concrete；
(j) the first flowing water great Qu exterior walls and waterproof roofing construction：Since first one end flowing water great Qu, it is laid with exterior wall successively
And waterproof roofing, while according to step g~step i, it is folded to be sequentially completed next flowing water great Qu top plates laying, empty stomach wallboard and top plate
Close concreting；
(k) piping lane backfills：It carries out an acceptance inspection to the first flowing water great Qu, is backfilled after qualified, it is big to be completed at the same time next flowing water
The exterior wall and waterproof roofing in area are constructed, and are backfilled after acceptance(check)；
(l) remaining great Qu piping lane is constructed：Step c~step k is repeated until completing entire piping lane construction.
As a supplement to the technical solution of the present invention, the distance of each continuous productive process great Qu should distinguish conjunction
Reason, and 30m is should not exceed, and the big section length deviation control of each continuous productive process is within a standard segmental length；Each section
Segment length control once lifts within effective radius in crane.
Further, bottom plate cement mortar distance is laid in the step (c) every time and should not exceed 6m.
Further, after the baseplate reinforcing bar in the step (c) waits for that all empty stomach wallboards are laid with after being laid with
Reinforcing bar positioning binding is carried out again.
Further, in the step (d), end junction carries out reinforcement company using built-in steel reinforcement cage between every section of side wall
It connects.
Further, in the step (f), when bottom plate overlaps concreting, bottom should be higher by with wall junction
Plate absolute altitude 300mm or more, and steel plate for sealing water is set and carries out water-proofing treatment.
Further, empty stomach wallboard middle section is poured using self-compacting water proof concrete in the step (i).
Preferably, empty stomach wallboard is supported using dedicated lateral support component, in support one end and precast wall body
Built-in fitting connection, one end connect with the built-in fitting in bottom plate, bottom plate built-in fitting highly should be greater than bottom plate overlap apical side height and
Meet most short connection length needs, to ensure that support lower part jointing does not go deep into bottom plate overlapping concrete.
Advantageous effect：The present invention gives a kind of construction parties of full prefabrication and assembly construction superposed type empty stomach wallboard underground pipe gallery
Method, by advance subregion segmented mode, according to factors such as prefabricated assembled Pipe rack feature, mounting distance and field conditions,
Entire prefabricated assembled piping lane is divided into several roughly equal continuous productive process great Qu, each continuous productive process area further divides
For several segments, by subregion merogenesis segmented mode, provincial series raise continuous productive process so that and construction operation resource is effectively used,
It substantially accelerates construction progress, realizes sharp work；
The design feature for fully combining full prefabrication and assembly construction superposed type piping lane is split by great Qu inner segments and is refined, is convenient for
Live primary lifting, reduces loop wheel machine displacement；
It is laid with distance by controlling bottom plate mortar, prevents mortar from being hardened before base plate paving, effectively improves base plate paving and apply
Working medium amount；
Using bottom plate, the pre-buried support connector of wallboard, and special lateral support is combined, wallboard positioning accurate can be greatly improved
Degree and efficiency, and can repeat to be used in turn, it is cost-effective；
By optimizing base plate steel bar binding sequence, effectively reduce conflicting with baseplate reinforcing bar position when wallboard positioning
Problem can effectively promote wallboard and be laid with precision and efficiency；
By steel reinforcement cage between built-in wallboard, the connection between wallboard is enhanced, improves the overall stiffness of wallboard；
Self-compacting concrete is used by lamination portion between empty stomach wallboard, effectively avoids that empty stomach wallboard spacing is smaller, reinforcing bar
It is closeer, it is unfavorable for the problem of concrete vibrating.
By above-mentioned various construction methods, site operation difficulty and the working strength of operating worker are reduced, is effectively controlled
Construction quality, ensure that key position overall stiffness and forming accuracy, effectively reduce engineering comprehensive cost, improve construction effect
Rate substantially accelerates construction progress.
Description of the drawings
Fig. 1 is a preferred embodiment of the present invention subregion schematic diagram；
Fig. 2 is piping lane sectional schematic diagram；
Fig. 3 is lateral support connection diagram；
Fig. 4 to Figure 14 is that prefabrication and assembly construction overlaps piping lane sequence of construction figure.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, people in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
As represented in figures 1 through 14, embodiments of the present invention are related to full prefabrication and assembly construction superposed type empty stomach wallboard underground pipe gallery
Construction method, be as follows：
(a) big Division：Piping lane is overlapped according to prefabrication and assembly construction and is laid with distance, and piping lane is divided into several continuous productive process great Qu,
In each great Qu, range and deformation joint position are once lifted according to hanging device, piping lane is divided into several segments, according to subregion point
Section sequence carries out cross construction arrangement；
(b) excavation of foundation pit, bed course and bottom waterproof construction：According to cross construction arrangement, precipitation and pattern foundation pit supporting structure etc. are carried out
After work, range is laid with to pipe gallery and carries out excavation of foundation pit, smooth cleaning then is carried out to hole bottom, carried out bed course and bottom is anti-
Water；
(c) the first flowing water great Qu first segment base plate pavings：Start to spread along first flowing water great Qu first segments one end first
If then bottom plate cement mortar is laid with prefabricated panel and baseplate reinforcing bar successively in cement mortar；
(d) the first flowing water great Qu first segment empty stomach wallboards are laid with：Start along first flowing water great Qu first segments one end, adopts
It is laid with side empty stomach wallboard, intermediate empty stomach wallboard, other side Prefabricated hollow wallboard successively with hanging device；When wallboard is laid with, adopt
It is supported with lateral support component, to ensure its stability；
(e) remaining segment bottom plate of the first flowing water great Qu and empty stomach wallboard are laid with：It is laid with successively according to step c~step d
Remaining segment bottom plate of one flowing water great Qu and empty stomach wallboard；
(f) the first flowing water great Qu bottom plates overlap concreting：The first flowing water great Qu bottom plates overlapping concrete is poured, is gone forward side by side
Row maintenance, while according to step c same procedures, being laid with next flowing water great Qu first segment bottom plates；
(g) the first flowing water great Qu first segment top plates are laid with：Wait for that the first flowing water great Qu bottom plates overlapping concrete reaches requirement
After intensity, flowing water great Qu first segment top plate supportings are installed, prefabricated top plate is laid with, meanwhile, according to step d same procedures, paving
Set a flowing water great Qu first segment empty stomach wallboards；
(h) remaining segment top plate of the first flowing water great Qu is laid with：According to step g, it is laid with remaining section of the first flowing water great Qu successively
Section top plate, while being laid with next remaining segment bottom plate of flowing water great Qu and empty stomach wallboard according to step c~step d；
(i) the first flowing water great Qu empty stomaches wallboard and top plate overlap concreting：Bind the first flowing water great Qu roof steel bars
Afterwards, it pours between the first flowing water great Qu empty stomach wallboards and the overlapping concrete of top plate, and is conserved；It is identical according to step f simultaneously
Method pours next flowing water great Qu bottom plates overlapping concrete；
(j) the first flowing water great Qu exterior walls and waterproof roofing construction：Since first one end flowing water great Qu, it is laid with exterior wall successively
And waterproof roofing, while according to step g~step i, it is folded to be sequentially completed next flowing water great Qu top plates laying, empty stomach wallboard and top plate
Close concreting；
(k) piping lane backfills：It carries out an acceptance inspection to the first flowing water great Qu, is backfilled after qualified, it is big to be completed at the same time next flowing water
The exterior wall and waterproof roofing in area are constructed, and are backfilled after acceptance(check)；
(l) remaining great Qu piping lane is constructed：Step c~step k is repeated until completing entire piping lane construction.
As a supplement to the technical solution of the present invention, the distance of each continuous productive process great Qu should distinguish conjunction
Reason, and 30m is should not exceed, and the big section length deviation control of each continuous productive process is within a standard segmental length；Each section
Segment length control once lifts within effective radius in crane.
Bottom plate cement mortar distance is laid in the step (c) every time and should not exceed 6m, after baseplate reinforcing bar is laid with
It waits for carrying out reinforcing bar positioning binding again after all empty stomach wallboards are laid with.
In the step (d), end junction carries out reinforcement connection using built-in steel reinforcement cage between every section of side wall.
In the step (f), when bottom plate overlaps concreting, floor level should be higher by with wall junction
300mm or more, and steel plate for sealing water is set and carries out water-proofing treatment.
Empty stomach wallboard middle section is poured using self-compacting water proof concrete in the step (i).
Empty stomach wallboard is supported using dedicated lateral support component, and support one end connects with the built-in fitting in precast wall body
It connects, one end is connect with the built-in fitting in bottom plate, and bottom plate built-in fitting height should be greater than bottom plate overlapping apical side height and meet most short company
Spreading degree needs, to ensure that support lower part jointing does not go deep into bottom plate overlapping concrete.
A kind of embodiment as the present invention：
Preferred embodiments of the present invention are a pair of cabin Urban Underground pipe gallery, as shown in Figure 1, including combustion gas cabin and comprehensive cabin,
48 meters of overall length.Standard section is as shown in Fig. 2, beam overall is 6.25m, and always a height of 3.8m, the wherein wide 2.5m in combustion gas cabin, comprehensive cabin are wide
3.75m.Piping lane main body is built using prefabrication and assembly construction congruent manner, and basic prefabricated components include bottom plate 2, wallboard 3-1,3-2 and 3-
3, top plate 5, bottom plate 2 and top plate 5 are single layer superimposed sheet, and wall is Prefabricated hollow plate, bottom plate 2, top plate 5 and wallboard 3-1,3-2,
3-3 is connected by cast-in-place concrete 4,6.
A kind of full prefabrication and assembly construction superposed type empty stomach wallboard underground pipe gallery rapid construction of the Urban Underground pipe gallery
Method includes the following steps：
Step 1, big Division：Piping lane is overlapped according to prefabrication and assembly construction and is laid with distance, as shown in Figure 1,1. piping lane is divided into
2. totally 2 long 24m of continuous productive process great Qu, each great Qu.The areas ① great are further divided into 1. -1 and 1. -2 two segments, the
It includes 4 prefabrication and assembly construction sections, each prefabrication and assembly construction Duan Jun that the areas ② great, which are further divided into 2. -1 and 2. -2 two segments, often segment,
Long 3m.According to the 1. continuous productive process great Qu 1. -1 segment → the 1. continuous productive process great Qu 1. -2 segment → the 2. continuous productive process great Qu
2. 2. 2. construction operation is unfolded in -2 segments sequence to continuous productive process great Qu to -1 segment → the successively.
Step 2, excavation of foundation pit, bed course and bottom waterproof construction：According to cross construction arrangement, precipitation and pattern foundation pit supporting structure are carried out
After equal work, range is laid with to pipe gallery and carries out excavation of foundation pit, smooth cleaning then is carried out to hole bottom, as shown in figure 4, carrying out
Bed course and bottom waterproof layer 1；
1. flowing water great Qu 1. -1 segment base plate pavings of step 3,：As shown in figure 5, first along the 1. flowing water great Qu 1. -1 sections
Duan Yiduan starts to be laid with bottom plate cement mortar, is laid with distance every time and should be less than 6m, is then laid with successively in cement mortar prefabricated
Bottom plate 2-1,2-2,2-3,2-4 and baseplate reinforcing bar；
Step 4,1. flowing water great Qu 1. -1 segment empty stomach wallboard layings：As shown in fig. 6, along the 1. flowing water great Qu 1. -1 sections
Duan Yiduan starts, and is laid with side empty stomach wallboard 3-1 (1), 3-1 (2), 3-1 (3), 3-1 (4) successively using hanging device, when laying
Be supported using dedicated lateral support component C, as shown in figure 3, support C upper connections C-2 with it is pre-buried in precast wall body 3
Part C-1 connections, lower connector C-4 are connect with the built-in fitting C-5 in bottom plate, and bottom plate built-in fitting C-5 height should be greater than bottom plate overlapping
4 apical side height of layer and the most short connection length needs of satisfaction overlap coagulation to ensure that support lower part jointing C-4 does not go deep into bottom plate
In soil 4, built-in steel reinforcement cage is reinforced between the junction of empty stomach wallboard end；According to same sequence, as shown in fig. 7, successively
It is laid with intermediate empty stomach wallboard 3-2 (1), 3-2 (2), 3-2 (3), 3-2 (4)；As shown in figure 8, being then laid with the other side successively on an empty stomach
Wallboard 3-3 (1), 3-3 (2), 3-3 (3), 3-3 (4).
Step 5,1. flowing water great Qu 1. -2 segment bottom plates and the layings of empty stomach wallboard：As shown in figure 9, according to step 3~step
Rapid 4 are laid with the 1. flowing water great Qu 1. -2 segment bottom plates and empty stomach wallboard successively；
Step 6,1. flowing water great Qu bottom plates overlapping concreting：As shown in Figure 10, the 1. flowing water great Qu bottom plates of binding the
Reinforcing bar pours the 1. flowing water great Qu bottom plates overlapping concrete 4, wherein with the junction concreting of empty stomach wallboard the bottom of apart from
At the S of plate top surface 300mm, as shown in Fig. 2, and be arranged steel plate for sealing water carry out water-proofing treatment, conserved after pouring, simultaneously
According to step 3 same procedure, it is laid with the 2. flowing water great Qu 2. -2 segment bottom plates；
Step 7,1. flowing water great Qu Section 1 section top plate laying：As shown in figure 11, wait for the 1. flowing water great Qu bottom plates overlapping it is mixed
After solidifying soil reaches desired strength, install flowing water great Qu 1. -1 segment top plate supportings, and use special hanger, be laid with successively 5-1,
The prefabricated top plate of 5-2,5-3,5-4.Meanwhile according to step 4 same procedure, it is laid with the 2. flowing water great Qu 2. -1 segment empty stomach wallboards；
Step 8,1. flowing water great Qu 1. -2 segment top plates layings：As shown in figure 12, according to step 7, it is laid with the successively 1.
Flowing water great Qu 1. -2 segment top plates, while being laid with the 2. flowing water great Qu 2. -2 segment bottom plates and empty stomach wall according to step 3~step 4
Plate；
Step 9,1. flowing water great Qu empty stomaches wallboard and top plate overlapping concreting：As shown in figure 13,1. binding the is flowed
After the areas Shui great roof steel bar, is poured 1. between flowing water great Qu empty stomaches wallboard and the overlapping concrete 6 of top plate, and conserved；Together
When according to step 6 same procedure, pour the 2. flowing water great Qu bottom plates overlapping concrete；
Step 10,1. flowing water great Qu exterior walls and waterproof roofing construction：As shown in figure 14, from 1. flowing water great Qu open one end
Begin, be laid with exterior wall and waterproof roofing successively, while according to step 7~step 9, be sequentially completed the 2. flowing water great Qu top plates be laid with,
Empty stomach wallboard and top plate overlap concreting；
Step 11, piping lane backfill：To the 1. flowing water great Qu carry out an acceptance inspection, backfilled after qualified, be completed at the same time the and 2. flow
The exterior wall and waterproof roofing in the areas Shui great are constructed, and are backfilled after acceptance(check).
The present invention is can be seen that by the segmented side of the advance subregion of prefabrication and assembly construction pipe gallery by above-mentioned construction method
Formula forms effective continuous productive process so that construction operation resource is effectively used, and substantially accelerates construction progress；Fully knot
The design feature for having closed full prefabrication and assembly construction superposed type piping lane is split by great Qu inner segments and is refined, and convenient for the primary lifting in scene, is subtracted
Few loop wheel machine displacement；It is laid between distance, special lateral support, optimization reinforcing bar binding sequence, built-in wallboard by controlling bottom plate mortar
Steel reinforcement cage, wallboard overlapping are effectively controlled construction quality, improve construction efficiency, reduced using the methods of self-compacting concrete
Engineering comprehensive cost.
Claims (8)
1. the construction method of full prefabrication and assembly construction superposed type empty stomach wallboard underground pipe gallery, is as follows：
(a) big Division：Piping lane is overlapped according to prefabrication and assembly construction and is laid with distance, piping lane is divided into several continuous productive process great Qu, each
In great Qu, range and deformation joint position are once lifted according to hanging device, piping lane is divided into several segments, it is suitable according to subregion merogenesis
Sequence carries out cross construction arrangement；
(b) excavation of foundation pit, bed course and bottom waterproof construction：According to cross construction arrangement, the work such as precipitation and pattern foundation pit supporting structure are carried out
Afterwards, range is laid with to pipe gallery and carries out excavation of foundation pit, smooth cleaning then is carried out to hole bottom, carries out bed course and bottom waterproof；
(c) the first flowing water great Qu first segment base plate pavings：Start to be laid with bottom along first flowing water great Qu first segments one end first
Then plate cement mortar is laid with prefabricated panel and baseplate reinforcing bar successively in cement mortar；
(d) the first flowing water great Qu first segment empty stomach wallboards are laid with：Start along first flowing water great Qu first segments one end, using hanging
Installing is standby to be laid with side empty stomach wallboard, intermediate empty stomach wallboard, other side Prefabricated hollow wallboard successively；When wallboard is laid with, using side
It is supported to supporting member, to ensure its stability；
(e) remaining segment bottom plate of the first flowing water great Qu and empty stomach wallboard are laid with：It is laid with successively according to step c~step d first-class
Remaining segment bottom plate of the areas Shui great and empty stomach wallboard；
(f) the first flowing water great Qu bottom plates overlap concreting：The first flowing water great Qu bottom plates overlapping concrete is poured, and is supported
Shield, while according to step c same procedures, being laid with next flowing water great Qu first segment bottom plates；
(g) the first flowing water great Qu first segment top plates are laid with：Wait for that the first flowing water great Qu bottom plates overlapping concrete reaches desired strength
Afterwards, flowing water great Qu first segment top plate supportings are installed, prefabricated top plate is laid with, meanwhile, according to step d same procedures, under laying
One flowing water great Qu first segment empty stomach wallboards；
(h) remaining segment top plate of the first flowing water great Qu is laid with：According to step g, it is laid with first remaining segment flowing water great Qu top successively
Plate, while being laid with next remaining segment bottom plate of flowing water great Qu and empty stomach wallboard according to step c~step d；
(i) the first flowing water great Qu empty stomaches wallboard and top plate overlap concreting：After binding the first flowing water great Qu roof steel bars, pour
It builds between the first flowing water great Qu empty stomach wallboards and the overlapping concrete of top plate, and is conserved；Simultaneously according to step f same procedures,
Pour next flowing water great Qu bottom plates overlapping concrete；
(j) the first flowing water great Qu exterior walls and waterproof roofing construction：Since first one end flowing water great Qu, it is laid with exterior wall and top successively
Plate waterproof, while according to step g~step i, it is mixed to be sequentially completed next flowing water great Qu top plates laying, empty stomach wallboard and top plate overlapping
Solidifying soil pours；
(k) piping lane backfills：It carries out an acceptance inspection to the first flowing water great Qu, is backfilled after qualified, be completed at the same time next flowing water great Qu's
Exterior wall and waterproof roofing construction, and backfilled after acceptance(check)；
(l) remaining great Qu piping lane is constructed：Step c~step k is repeated until completing entire piping lane construction.
2. the construction method of full prefabrication and assembly construction superposed type empty stomach wallboard underground pipe gallery according to claim 1, special
Sign is：The distance of each continuous productive process great Qu should be distinguished rationally, and should not exceed 30m, and the big head of district of each continuous productive process
Deviation control is spent within a standard segmental length；Each segmental length control once lifts within effective radius in crane.
3. the construction method of full prefabrication and assembly construction superposed type empty stomach wallboard underground pipe gallery according to claim 1, special
Sign is：Bottom plate cement mortar distance is laid in the step (c) every time and should not exceed 6m.
4. the construction method of full prefabrication and assembly construction superposed type empty stomach wallboard underground pipe gallery according to claim 1, special
Sign is：Baseplate reinforcing bar in the step (c) waits for carrying out reinforcing bar again after all empty stomach wallboards are laid with after being laid with
Positioning binding.
5. the construction method of full prefabrication and assembly construction superposed type empty stomach wallboard underground pipe gallery according to claim 1, special
Sign is：In the step (d), end junction carries out reinforcement connection using built-in steel reinforcement cage between every section of side wall.
6. the construction method of full prefabrication and assembly construction superposed type empty stomach wallboard underground pipe gallery according to claim 1, special
Sign is：In the step (f), when bottom plate overlaps concreting, floor level 300mm should be higher by with wall junction
More than, and steel plate for sealing water is set and carries out water-proofing treatment.
7. the construction method of full prefabrication and assembly construction superposed type empty stomach wallboard underground pipe gallery according to claim 1, special
Sign is：Empty stomach wallboard middle section is poured using self-compacting water proof concrete in the step (i).
8. the construction method of full prefabrication and assembly construction superposed type empty stomach wallboard underground pipe gallery according to claim 1, special
Sign is：Empty stomach wallboard is supported using dedicated lateral support component, and support one end connects with the built-in fitting in precast wall body
It connects, one end is connect with the built-in fitting in bottom plate, and bottom plate built-in fitting height should be greater than bottom plate overlapping apical side height and meet most short company
Spreading degree needs, to ensure that support lower part jointing does not go deep into bottom plate overlapping concrete.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409492A (en) * | 2019-07-09 | 2019-11-05 | 中铁三局集团建筑安装工程有限公司 | The combination assembled piping lane of one kind more structures containing superposed member and its construction method |
| CN114960620A (en) * | 2021-02-26 | 2022-08-30 | 中能(厦门)智慧科技有限公司 | Construction method of underground continuous hollow wall |
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