CN107558501A - A kind of underpass spare interface construction method excavated from the later stage - Google Patents
A kind of underpass spare interface construction method excavated from the later stage Download PDFInfo
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- CN107558501A CN107558501A CN201710620180.7A CN201710620180A CN107558501A CN 107558501 A CN107558501 A CN 107558501A CN 201710620180 A CN201710620180 A CN 201710620180A CN 107558501 A CN107558501 A CN 107558501A
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- underpass
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- side bracket
- bracket
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- 238000010276 construction Methods 0.000 title claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003292 glue Substances 0.000 claims abstract description 11
- 230000000994 depressogenic effect Effects 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 5
- 241000251468 Actinopterygii Species 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000009412 basement excavation Methods 0.000 abstract description 5
- 230000000717 retained effect Effects 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of underpass spare interface construction method excavated from the later stage, plot side bracket is set on diaphram wall, water-stop glue is set on the end face that plot side bracket is connected with the channel side bracket constructed afterwards, in underpass end set channel side bracket, the interim earth-retaining and water sealing structure to form a closing are constructed by bracket and water-stop glue.Passage directly can cut diaphram wall in inside configuration and complete the structure construction of linkage section when being connected with plot.The permanent waterproof of underpass movement joint is then realized jointly by middle buried water stop and detachable waterstop.By using this construction measure, avoid the situation that excavation of foundation pit is carried out in small space, interim retaining wall structure in top board structure Foot of Upper Retaining Wall and passage is eliminated, is completed without genuine building enclosure to linkage section construction is retained, there is preferable convenience for construction and economy.
Description
Technical field
The present invention relates to structure, the technical field of buildings waterproof, specifically a kind of underground excavated from the later stage leads to
Road spare interface construction method.
Background technology
With the fast development of urban underground space, the requirement more and more higher that is interconnected between plot, especially at some
Urban New District, the construction of all kinds of underpass gradually increase.In general underpass is respectively positioned on below town road, connects both sides
Different plot.Underpass as municipal conveyance system facility typically can together with the road above it synchronous construction, and lead to
The connection construction in road and both sides plot, it will usually because passage and the different engineerings in two, plot are difficult match the duration the problem of
Reach synchronization implementation.Therefore in general, underpass meeting reservation conditions after the completion of leading construction are easy to later stage plot
With channel attached construction.Existing reserved way is that genuine construction enters plot red line, on the outside of the supporting construction of plot
Prearrangement of deformation amount stitches at 0.3 ~ 0.5m, and sets retaining wall to prevent later stage plot to be connected foundation ditch with tunnel above underpass top plate
Built road and below pipeline are influenceed during excavation, while sets temporary plugging wall to prevent backfill from entering tunnel in tunnel
Interior, the foundation pit supporting construction for also needing to retain neighbouring plot in addition is with the supporting and retaining system side soil body.
Existing ground pipeline joint reserves way shortcoming and is that the later stage applies if when the supporting construction in plot is diaphram wall
When building site road is with plot linkage section, the excavation width of foundation ditch only has 0.3 ~ 0.5m, and machinery is difficult to construct in such a case,
Hand excavation is also very difficult.The building enclosure needs of genuine both sides, which are protected to linkage section, simultaneously implements to complete, when using engineering method stake
During as building enclosure, its hiring cost can be increased.
The content of the invention
It is an object of the invention to when the building enclosure in underpass plot to be connected is diaphram wall, there is provided one
The underpass spare interface construction method that kind is excavated from the later stage, it can overcome some shortcomings of the prior art.
To achieve these goals, the technical scheme is that：A kind of underpass excavated from the later stage is reserved to be connect
Outlet structure construction method, the end of underpass are the diaphram wall that plot has been implemented in advance, it is characterised in that the construction
Method comprises the following steps：
The first step, reinforcing bar is implanted on diaphram wall, is set on the outside of underpass and the plot linkage segment structure of rear construction
One encloses the land block side bracket；
Second step, water-stop glue is set on the end face that plot side bracket is connected with the channel side bracket constructed afterwards；
3rd step, construction underpass, underpass end prearrangement of deformation amount seam, prearrangement of deformation amount seam are in passage top plate, channel side
Elongated setting channel side bracket on the outside of wall and channel base plate, in underpass top plate, bottom plate and side wall with it is pre- on the inside of bracket
Stay position corresponding to movement joint that reserved middle buried water stop, underpass top plate, bottom plate and side wall inwall and bracket inner side are set
The opening position of prearrangement of deformation amount seam is provided with the depressed part for installing waterstop.
Further, during construction in later period, diaphram wall position corresponding with underpass is cut, then constructed respectively
Construction linkage section bottom plate, rear construction linkage section top plate and rear construction linkage section side wall afterwards, are set detachable in the depressed part reserved
Formula waterstop.
According to a preferred embodiment of the invention, the water-stop glue is one pack system slow expansion type fluid sealant.
According to a preferred embodiment of the invention, prearrangement of deformation amount stitches on the inside of underpass top plate, bottom plate and side wall and bracket
Corresponding position sets reserved middle buried water stop, and the opening position that prearrangement of deformation amount stitches on the inside of bracket sets detachable waterstop structure
Make, form permanent agent structure waterproof.
According to a preferred embodiment of the invention, the channel side bracket is oblique from the side that prearrangement of deformation amount stitches side farther out
Face, the angle between inclined-plane and channel side wall are 30 °.
According to a preferred embodiment of the invention, the bottom of the channel side bracket of the underpass bottom plate and plate outer side is equal
It is provided with bed course and fish tail and waterproof layer.
Instant invention overcomes the shortcomings that existing underpass spare interface so that without again from ground when later stage passage connects
Excavated, it is only necessary to the diaphram wall at hole is cut out of plot or tunnel, under the protection of outside bracket, at one
Construction linkage segment structure in the environment of relative closure.The drawbacks of excavation construction is carried out in narrow and small environment is avoided, eliminates ground
The temporary plugging wall inside retaining wall and tunnel above road, genuine constructed is remained into without by the supporting construction in tunnel
Into.More convenient the invention enables constructing, cost is also more saved.
Brief description of the drawings
Fig. 1 undergrounds tunnel spare interface construction plan view.
Fig. 2 undergrounds tunnel spare interface structural section.
Fig. 3 top plate interface configurations detail drawings.
Fig. 4 backplane interface details of construction.
Including plot side bracket 1, channel side bracket 2, passage side wall 3, prearrangement of deformation amount seam 4, passage top plate 5, passage
Bottom plate 6, one pack system slow expansion type fluid sealant 7, middle buried water stop 8, detachable sealing 9, bar planting 10, diaphram wall 11（Even
It need to be cut when connecing）, rear construction linkage section side wall 12, rear construction linkage section top plate 13, rear construction linkage section bottom plate 14, bed course and anti-
Water conservation layer 15.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the end of underpass is the diaphram wall 11 that plot has been implemented in advance（The underground connects
Construction plot basement and underpass connecting portion, need part be cut in construction in later period after continuous wall is arranged on, general next
Say, cut part as the diaphram wall position corresponding with underpass inner space）, and it is close in underpass end
Diaphram wall position prearrangement of deformation amount seam, underpass are in passage top plate 5, passage side wall 3 and channel floor in prearrangement of deformation amount seam
The outside of plate 6（Meet native face）Elongated setting channel side bracket 2, channel side bracket and underpass synchronization implementation.Simultaneously in plot
Plot side bracket 1 elongated corresponding to a circle is also provided with subterranean wall by bar planting mode, plot side bracket is arranged on underground company
Continuous wall cuts the outside of position, does not influence the construction in follow-up plot and genuine linkage section.It is genuine outer by the resistance of plot side bracket
Lateral earth pressure.Movement joint is set in channel side bracket 2 and plot side bracket 1, one pack system slow expansion type fluid sealant is set in movement joint
7, plot is used as by this measure and constructed with the temporary water dash in genuine linkage section work progress.
Fig. 3, Fig. 4 give the detail of construction of interface.Wherein Fig. 3 is illustrated that underpass top plate interface configurations figure, Fig. 4
Underpass backplane interface structural map is illustrated that, underpass side wall interface configurations figure is similar with top plate interface configurations figure,
This no longer shows.
As illustrated, genuine outside sets channel side bracket 2, plot side bracket 1 is set on diaphram wall, in passage
Side bracket sets water-stop glue with plot side bracket intersection location, and the interim gear to form a closing is constructed by bracket and water-stop glue
Soil and water sealing structure.
Buried during position setting corresponding with prearrangement of deformation amount seam on the inside of bracket is reserved in underpass top plate, bottom plate and side wall
Formula waterstop 8, in underpass top plate, bottom plate and side wall inwall（Carry on the back native side）Set with the opening position of prearrangement of deformation amount seam on the inside of bracket
Depressed part is equipped with, detachable waterstop 9 is set in the depressed part, forms permanent agent structure waterproof.
As illustrated, boring a collar aperture with 1 corresponding position of plot side bracket in diaphram wall 11, reinforcing bar is implanted into, is utilized
The reinforcing bar is cast-in-place to set plot side bracket 1.
The construction method of the underpass spare interface excavated from the later stage the construction of the present invention is plot side ox of first constructing
Leg, water-stop glue then is set in the end face of plot side bracket, underpass side bracket of finally constructing again, makes itself and plot side bracket
Between form water sealing structure, Specific construction step is：
Reinforcing bar is implanted into the first step, the diaphram wall 11 implemented in advance in plot, underpass and plot in rear construction
One is set on the outside of linkage segment structure to enclose the land block side bracket 1；
Second step, the sealing of one pack system slow expansion type is set on the end face that plot side bracket 1 is connected with the channel side bracket 2 constructed afterwards
Glue 7；
3rd step, construction underpass, underpass end prearrangement of deformation amount seam, prearrangement of deformation amount seam are in passage top plate 5, channel side
Wall 3 and the outside of channel base plate 6（Meet native face）Elongated setting channel side bracket 2, in underpass top plate, bottom plate and side wall with
Position corresponding to prearrangement of deformation amount seam sets reserved middle buried water stop 8, underpass top plate, bottom plate and side wall inwall on the inside of bracket
（Carry on the back native side）The opening position of prearrangement of deformation amount seam on the inside of bracket is provided with the depressed part for installing waterstop, by bracket and only
Glue constructs the interim earth-retaining and water sealing structure to form a closing.
During construction in later period, the position corresponding with underpass of diaphram wall 11 is cut, constructed after then constructing respectively
Linkage section bottom plate 14, rear construction linkage section top plate 13 and rear construction linkage section side wall 12, are set detachable in reserved depressed part
Formula waterstop 9.
Diaphram wall 11 at bottom plate, top plate and side wall needs synchronously to cut, and cuts after-pouring underpass and underground
Room linkage section, rear construction section generally poured with diaphram wall together with formed it is overall.Underpass movement joint is forever
Long waterproof relies primarily on the middle buried water stop 8 and detachable waterstop 9 reserved on the inside of bracket in genuine wallboard, two brackets
Between fluid sealant can also be as later permanent waterproof one of ancillary method.
The specific embodiment of the present invention is described in detail above, but it is intended only as example, it is of the invention and unlimited
It is formed on particular embodiments described above.To those skilled in the art, it is any to the equivalent modifications that carry out of the present invention and
Substitute also all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Modification, all should be contained within the scope of the invention.
Claims (4)
1. a kind of underpass spare interface construction method excavated from the later stage, the end of underpass is first for plot
The diaphram wall that row is implemented, it is characterised in that the construction method comprises the following steps：
The first step, reinforcing bar is implanted on diaphram wall, is set on the outside of underpass and the plot linkage segment structure of rear construction
One encloses the land block side bracket；
Second step, water-stop glue is set on the end face that plot side bracket is connected with the channel side bracket constructed afterwards；
3rd step, construction underpass, underpass end prearrangement of deformation amount seam, prearrangement of deformation amount seam are in passage top plate, channel side
Elongated setting channel side bracket on the outside of wall and channel base plate, in underpass top plate, bottom plate and side wall with it is pre- on the inside of bracket
Stay position corresponding to movement joint that reserved middle buried water stop, underpass top plate, bottom plate and side wall inwall and bracket inner side are set
The opening position of prearrangement of deformation amount seam is provided with the depressed part for installing waterstop.
2. tunnel spare interface construction method in underground as claimed in claim 1, it is characterised in that：, will during construction in later period
Diaphram wall position corresponding with underpass is cut, constructed after then constructing respectively linkage section bottom plate, linkage section of constructing afterwards
Top plate and rear construction linkage section side wall, set detachable waterstop in reserved depressed part.
3. tunnel spare interface construction method in underground as claimed in claim 1, it is characterised in that：The water-stop glue is single
Component slow expansion type fluid sealant.
4. tunnel spare interface construction method in underground as claimed in claim 1, it is characterised in that：The underpass bottom
The bottom of the channel side bracket of plate and plate outer side is provided with bed course and fish tail and waterproof layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710620180.7A CN107558501A (en) | 2017-07-26 | 2017-07-26 | A kind of underpass spare interface construction method excavated from the later stage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710620180.7A CN107558501A (en) | 2017-07-26 | 2017-07-26 | A kind of underpass spare interface construction method excavated from the later stage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107558501A true CN107558501A (en) | 2018-01-09 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710620180.7A Pending CN107558501A (en) | 2017-07-26 | 2017-07-26 | A kind of underpass spare interface construction method excavated from the later stage |
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| CN (1) | CN107558501A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107604952A (en) * | 2017-07-26 | 2018-01-19 | 上海市政工程设计研究总院（集团）有限公司 | A kind of underpass spare interface construction excavated from the later stage |
| CN111877407A (en) * | 2020-07-27 | 2020-11-03 | 中铁十一局集团第一工程有限公司 | Construction method for reserved interface of underground space connecting channel |
| CN112942426A (en) * | 2021-03-30 | 2021-06-11 | 中冶京诚工程技术有限公司 | Temporary plugging structure and plugging method for comprehensive pipe gallery |
| CN113186984A (en) * | 2020-01-14 | 2021-07-30 | 中铁第六勘察设计院集团有限公司 | Construction process for connecting newly-built underground passage with existing underground structure |
| CN113653099A (en) * | 2021-08-18 | 2021-11-16 | 中国建筑第八工程局有限公司 | Basement structure and construction method thereof |
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|---|---|---|---|---|
| CN101205766A (en) * | 2006-12-20 | 2008-06-25 | 上海市第一建筑有限公司 | Waterproof treatment method for joint of new station and old station |
| CN202577364U (en) * | 2012-04-23 | 2012-12-05 | 厦门华旸建筑工程设计有限公司 | Joint of basement ramp board and basement outer wall |
| CN203213147U (en) * | 2013-04-09 | 2013-09-25 | 上海市政工程设计研究总院（集团）有限公司 | Temporary plugging wall for underground reinforced concrete box culvert structure |
| CN204780994U (en) * | 2015-06-11 | 2015-11-18 | 中建一局集团第六建筑有限公司 | Underground continuous wall inwall construction structures |
| CN105401604A (en) * | 2015-11-20 | 2016-03-16 | 上海市政工程设计研究总院（集团）有限公司 | Reserved connecting port structure for underground pipe gallery and implementation method thereof |
| CN105421497A (en) * | 2015-09-14 | 2016-03-23 | 上海建工七建集团有限公司 | Water-proof construction method for connected nodes of foundation slab and ground wall in composite surround system |
| CN105672250A (en) * | 2016-01-20 | 2016-06-15 | 中铁隆工程集团有限公司 | Rabbet connecting mechanism and construction method for underground diaphragm wall and underwater concrete |
-
2017
- 2017-07-26 CN CN201710620180.7A patent/CN107558501A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205766A (en) * | 2006-12-20 | 2008-06-25 | 上海市第一建筑有限公司 | Waterproof treatment method for joint of new station and old station |
| CN202577364U (en) * | 2012-04-23 | 2012-12-05 | 厦门华旸建筑工程设计有限公司 | Joint of basement ramp board and basement outer wall |
| CN203213147U (en) * | 2013-04-09 | 2013-09-25 | 上海市政工程设计研究总院（集团）有限公司 | Temporary plugging wall for underground reinforced concrete box culvert structure |
| CN204780994U (en) * | 2015-06-11 | 2015-11-18 | 中建一局集团第六建筑有限公司 | Underground continuous wall inwall construction structures |
| CN105421497A (en) * | 2015-09-14 | 2016-03-23 | 上海建工七建集团有限公司 | Water-proof construction method for connected nodes of foundation slab and ground wall in composite surround system |
| CN105401604A (en) * | 2015-11-20 | 2016-03-16 | 上海市政工程设计研究总院（集团）有限公司 | Reserved connecting port structure for underground pipe gallery and implementation method thereof |
| CN105672250A (en) * | 2016-01-20 | 2016-06-15 | 中铁隆工程集团有限公司 | Rabbet connecting mechanism and construction method for underground diaphragm wall and underwater concrete |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107604952A (en) * | 2017-07-26 | 2018-01-19 | 上海市政工程设计研究总院（集团）有限公司 | A kind of underpass spare interface construction excavated from the later stage |
| CN113186984A (en) * | 2020-01-14 | 2021-07-30 | 中铁第六勘察设计院集团有限公司 | Construction process for connecting newly-built underground passage with existing underground structure |
| CN111877407A (en) * | 2020-07-27 | 2020-11-03 | 中铁十一局集团第一工程有限公司 | Construction method for reserved interface of underground space connecting channel |
| CN112942426A (en) * | 2021-03-30 | 2021-06-11 | 中冶京诚工程技术有限公司 | Temporary plugging structure and plugging method for comprehensive pipe gallery |
| CN113653099A (en) * | 2021-08-18 | 2021-11-16 | 中国建筑第八工程局有限公司 | Basement structure and construction method thereof |
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