CN107653905A - Full bag water proof structure structure and its construction method for contrary sequence method building - Google Patents
Full bag water proof structure structure and its construction method for contrary sequence method building Download PDFInfo
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- CN107653905A CN107653905A CN201711019502.9A CN201711019502A CN107653905A CN 107653905 A CN107653905 A CN 107653905A CN 201711019502 A CN201711019502 A CN 201711019502A CN 107653905 A CN107653905 A CN 107653905A
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- connecting portion
- construction
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- foundation pit
- floor
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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
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses full the bag water proof structure structure and its construction method for contrary sequence method building, including floor and foundation pit enclosure structure, floor edge, which is provided with, treats the connecting portion that be connected with exterior wall, and with connecting portion is symmetrically arranged constructs beam temporarily；The outside one side of interim construction beam and connecting portion are coplanar, and are connected with foundation pit enclosure structure, and are provided with waterproof roll；Extend the lower end of connecting portion, the latter half of the interim construction beam of upper end covering in the lower end of the laying scope of waterproof roll；In construction, interim construction beam is first set up on floor, it is connected with foundation pit enclosure structure, and waterproof roll is overlay in floor and foundation pit enclosure structure joint, and reserve certain lap of splice；After bottom external wall structure is returned and built, vertical supporting system is completed to underpin, and cuts the concrete for the interim construction beam set up；Carried out in construction afterwards and carry out overlap joint with waterproof roll.The present invention is realized in being built using contrary sequence method, floor and the outside waterproofing of supporting construction junction.
Description
Technical field
The present invention relates to building top-down method building technology field, the more particularly to full bag waterproof for contrary sequence method building
Structural texture and its construction method.
Background technology
In underground engineering, reinforced concrete structure is still occupied an leading position.Although underground waterproof concrete takes certain technical measures, add
Add various additives, but crack after constructing still is difficult to avoid that, therefore《Technical code for water proof in underground engineering》
Clear stipulaties in the 4.1.7 articles of GB50108-2008 specifications：" fracture width cannot be greater than 0.2mm, and must not penetrate ".Notice this
Individual provision regulation is safe in engineering structure, but if do not considered other waterproof measures, its consequence is also to be difficult to contemplate.Therefore
To suppress and reducing the seepage of concrete, and concrete is effectively avoided or reduced by carbonate in underground water and chlorion etc.
Corrosion, increasing underground engineering project consider to take full bag waterproofing design.
Traditional deep basal pit is typically constructed from bottom to top using open type Open Cut Method, with subway and underground engineering
Large scale construction, underground engineering contrary sequence method can effectively control surrounding enviroment deformation, reduction to make it to the characteristics of ground time effects
Gradually promoted in the whole nation.Contrary sequence method refers to that each layer basement of below ground uses top-down sequence of construction, is gone downstairs by ground
The horizontal rigidity and compression strength of harden structure produce support action to foundation ditch, ensure the earth excavation of foundation ditch.
Because basement floor construction is constructed from top to down, the now earthwork is not yet excavated, the exterior wall and structural column of basement
Completion can not be poured before floor construction construction, it is therefore necessary to it is the vertical temporary support pile foundation of structural column setting, and exterior wall
Supporting construction of the floor at place then directly with foundation ditch both sides is connected, using supporting construction as vertical supporting.
Because inverse floor of making is connected by reinforcing bar with supporting construction, the waterproof material at this node is cut by reinforcing bar tunneling boring
It is disconnected, it can not really realize full bag waterproof.
Therefore, how effectively to solve the above problems, the full bag waterproof that underground structure is further realized in contrary sequence method is mesh
Preceding engineering circles thorny problem urgently to be resolved hurrily.
The content of the invention
In view of the drawbacks described above of prior art, the present invention is provided to the full bag water proof structure structure of contrary sequence method building
And its construction method, the first purpose of realization is in the case of using contrary sequence method construction of buildings underground structure, realizes floor
With the outside waterproofing of supporting construction junction.
To achieve the above object, the invention discloses the full bag water proof structure structure for contrary sequence method building, including building
Plate and foundation pit enclosure structure, the connecting portion for treating to be connected with exterior wall, the connecting portion and institute are provided with below the floor edge
State that floor is vertical, the outside one side of the connecting portion is connected with the foundation pit enclosure structure.
Wherein, above the floor edge, beam is symmetrically constructed temporarily provided with together with the connecting portion；It is described to face
When construct the outside one side of beam and the connecting portion is coplanar, and the interim construction outside one side of beam and the foundation pit enclosure knot
Structure connects.
Waterproof roll is provided between the interim construction beam and the connecting portion and the foundation pit enclosure structure；It is described anti-
Extend the lower end of the connecting portion, the lower half of the upper end covering interim construction beam in the lower end of the laying scope of water coiled material
Point.
When the underground structure of the building is completed, after the floor external wall structure time is built, removal is described to construct beam temporarily
Concrete parts, expose the upper end of the waterproof roll covering interim construction beam the latter half, for being built with follow-up
During with other waterproof constructions overlap.
Preferably, if the position that the foundation pit enclosure structure corresponds to the interim construction beam is provided with the L-shaped reinforcing bar in arterial highway,
One end of " L " the shape reinforcing bar bending, which is buried, builds in the foundation pit enclosure structure, and the other end is horizontal to the interim construction beam direction
To the stretching foundation pit enclosure structure；" L " the shape reinforcing bar stretches out one end of the foundation pit enclosure structure and the interim construction
Bar construction connection in beam.
Preferably, it is to build that the reinforcing bar in the connecting portion is connected in an entirety with the bar construction in the interim construction beam
Build the vertical reinforcement of beyond the region of objective existence wall.
Preferably, the lower end of the connecting portion is provided with reinforcing bar connector and is cast in bar connecting inside the connecting portion.
The present invention also provides a kind of construction method of the full bag water proof structure structure for contrary sequence method building, and step is such as
Under：
A, it will go back to the edge for building exterior wall in the excavation of foundation pit stage and set up interim construction beam together in being located on floor, and
The lateral surface of the lateral surface and the connecting portion of the floor of the interim construction beam is coplanar；
B, waterproof roll is set on the coplanar lateral surface of the interim construction beam and connecting portion, the waterproof roll
Coverage is more than the lateral surface of the connecting portion, and the waterproof roll upper end is covered under the interim construction beam lateral surface
Half part；
C, foundation pit enclosure structure is built, is connected with the coplanar lateral surface of the interim construction beam and connecting portion；
D, foundation ditch is excavated, after the underground structure for completing construction of buildings, returns and builds the exterior wall, complete vertical supporting system
Underpin；
E, the interim construction beam is cut, when making waterproof layer, is prevented with exposing extend in outside the connecting portion described
Water coiled material carries out overlap joint.
Preferably, in the step E, the concrete parts of the interim construction beam are cut, by the interim construction beam
Interior vertical reinforcement uses as the vertical reinforcement for returning the exterior wall built.
Beneficial effects of the present invention：
1) structure stress is clear.
Pre-buried U-typed reinforcing bar in supporting construction, breaks U-typed reinforcing bar one end during construction straight L-shaped, makees with inverse at floor
Newly-increased interim construction beam connection, to meet that underground floor construction bears horizontal loading, supporting construction shares floor vertical load
Requirement.
2) waterproof measure simple structure.
Waterproof roll is overlay with supporting construction joint in inverse floor of making, and reserves certain lap of splice, in order to the later stage
Return the connection for building stage waterproof roll.Waterproof material and construction, easy for construction, input cost base consistent with standard paragraphs external wall waterproof
This is without increase.
3) construction on internal structure and design are without influence.
Exterior wall vertical reinforcement is set in newly-increased interim construction beam, this reinforcing bar is retained when the later stage cuts, External Wall pours
Build and design without influence.
This waterproofing node has effectively expanded the construction means of underground engineering, has promoted technical progress of industry, has good warp
Ji, social benefit.Make furtherly below with reference to design of the accompanying drawing to the present invention, concrete structure and caused technique effect
It is bright, to be fully understood from the purpose of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 shows the structural representation of one embodiment of the invention.
Embodiment
Embodiment
As shown in figure 1, the full bag water proof structure structure for contrary sequence method building, including floor 1 and foundation pit enclosure structure
3, it is provided with the connecting portion 2 for treating be connected with exterior wall below the edge of floor 1, connecting portion 2 is vertical with floor 1, and connecting portion 2 is outwards
Simultaneously it is connected with foundation pit enclosure structure 3.
Wherein, above the edge of floor 1, beam 5 is symmetrically constructed temporarily provided with together with connecting portion 2；Interim construction beam 5
Outside one side and connecting portion 2 are coplanar, and the interim outside one side of beam 5 that constructs is connected with foundation pit enclosure structure 3.
Waterproof roll 4 is provided between interim construction beam 5 and connecting portion 2 and foundation pit enclosure structure 3；The paving of waterproof roll 4
If the lower end of connecting portion 2, the latter half of the interim construction beam 5 of upper end covering are extended in the lower end of scope.
When the underground structure of building is completed, after the external wall structure time of floor 1 is built, removal constructs the concrete section of beam 5 temporarily
Point, expose the upper end that waterproof roll 4 covers interim construction beam 5 the latter half, for in follow-up building course with other waterproofs
Structure overlaps.
In certain embodiments, if the position of the corresponding interim construction beam 5 of foundation pit enclosure structure 3 is provided with the L-shaped steel in arterial highway
Muscle 31, one end that " L " shape reinforcing bar 31 is bent, which is buried, builds in foundation pit enclosure structure 3, and the other end is laterally stretched to interim construction beam 5 direction
Go out foundation pit enclosure structure 3；" L " shape reinforcing bar 31 stretches out one end of foundation pit enclosure structure 3 and the bar construction 51 in interim construction beam 5
Connection.
In certain embodiments, the reinforcing bar in connecting portion 2 is connected overall in one with the bar construction 51 in interim construction beam 5
It is the vertical reinforcement of skin.
In certain embodiments, the lower end of connecting portion 2 is provided with reinforcing bar connector 21 and is cast in the inside reinforcing bar of connecting portion 2 and connects
Connect.
The present invention also provides a kind of construction method of the full bag water proof structure structure for contrary sequence method building, and step is such as
Under：
A, it will go back to the edge for building exterior wall in the excavation of foundation pit stage and set up interim construction beam 5 together in being located on floor 1,
And the lateral surface of the lateral surface and the connecting portion 2 of floor 1 of interim construction beam 5 is coplanar.
B, waterproof roll 4, the covering of waterproof roll 4 are set on coplanar lateral surface of the construction beam 5 with connecting portion 2 temporarily
Scope is more than the lateral surface of connecting portion 2, and the upper end of waterproof roll 4 covers the latter half of the interim construction lateral surface of beam 5.
In construction, set up interim construction beam 5 together above floor 1 in the excavation of foundation pit stage first, make itself and foundation ditch
Building enclosure 3 connects, and overlays waterproof roll 4 in floor 1 and the joint of foundation pit enclosure structure 3, and reserves certain lap of splice.
C, foundation pit enclosure structure is built, is connected with the coplanar lateral surface of interim construction beam 5 and connecting portion 2.
D, foundation ditch is excavated, after the underground structure for completing construction of buildings, returns and builds exterior wall, complete the support of vertical supporting system
Change.
After bottom external wall structure is returned and built, vertical supporting system is completed to underpin, and cuts the coagulation for the interim construction beam 5 set up
Soil.
E, interim construction beam 5 is cut, what formation flushed with floor cuts face 52, when making waterproof layer, with exposing extension
Waterproof roll 4 outside connecting portion 2 carries out overlap joint.
Finally, overlap joint is carried out with reserved waterproof roll 4 in construction, realizes the full bag waterproof of this node.
In certain embodiments, in step E, the concrete parts of interim construction beam 5 is cut, will be constructed temporarily in beam 5
Vertical reinforcement use as returning the vertical reinforcement of exterior wall built.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Creative work can is needed to make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (6)
1. for the full bag water proof structure structure of contrary sequence method building, including floor (1) and foundation pit enclosure structure (3), the building
The connecting portion (2) for treating to be connected with exterior wall is provided with below plate (1) edge, the connecting portion (2) is vertical with the floor (1),
The outside one side of the connecting portion (2) is connected with the foundation pit enclosure structure (3)；It is characterized in that：
Above floor (1) edge, beam (5) is symmetrically constructed temporarily provided with together with the connecting portion (2)；It is described to face
When construct beam (5) outside one side and the connecting portion (2) is coplanar, and the outside one side of the interim construction beam (5) with it is described
Foundation pit enclosure structure (3) connects；
Waterproof roll is provided between the interim construction beam (5) and the connecting portion (2) and the foundation pit enclosure structure (3)
(4)；The lower end of the connecting portion (2) is extended in the lower end of the laying scope of the waterproof roll (4), and upper end covering is described interim
Construct the latter half of beam (5)；
When the underground structure of the building is completed, after floor (1) external wall structure time is built, removal is described to construct beam temporarily
(5) concrete parts, expose the upper end of described interim construction beam (5) the latter half of the waterproof roll (4) covering, for
Overlapped in follow-up building course with other waterproof constructions.
2. the full bag water proof structure structure according to claim 1 for contrary sequence method building, it is characterised in that：The base
The corresponding interim construction beam (5) of pit enclosure structure (3) if position be provided with the L-shaped reinforcing bar in arterial highway (31), " L " the shape steel
One end of muscle (31) bending, which is buried, builds in the foundation pit enclosure structure (3), and the other end is horizontal to described interim construction beam (5) direction
Stretch out the foundation pit enclosure structure (3)；" L " the shape reinforcing bar (31) stretch out one end of the foundation pit enclosure structure (3) with it is described
Bar construction (51) connection in interim construction beam (5).
3. the full bag water proof structure structure according to claim 2 for contrary sequence method building, it is characterised in that：The company
It is skin that reinforcing bar in socket part (2) is connected in an entirety with the bar construction (51) in the interim construction beam (5)
Vertical reinforcement.
4. the full bag water proof structure structure according to claim 1 for contrary sequence method building, it is characterised in that：The company
The lower end of socket part (2) is provided with reinforcing bar connector (21) and is cast in the internal bar connecting of the connecting portion (2).
5. the construction method of the full bag water proof structure structure for contrary sequence method building, step are as follows：
A, it will go back to the edge for building exterior wall in the excavation of foundation pit stage and set up interim construction beam (5) together in being located on floor (1),
And the lateral surface of the lateral surface and the connecting portion (2) of the floor (1) of the interim construction beam (5) is coplanar；
B, waterproof roll (4), the waterproof are set on coplanar lateral surface of the interim construction beam (5) with connecting portion (2)
The coverage of coiled material (4) is more than the lateral surface of the connecting portion (2), and waterproof roll (4) upper end covers described interim
Construct the latter half of beam (5) lateral surface；
C, foundation pit enclosure structure is built, is connected with the coplanar lateral surface of the interim construction beam (5) and connecting portion (2)；
D, foundation ditch is excavated, after the underground structure for completing construction of buildings, returns and builds the exterior wall, complete the support of vertical supporting system
Change；
E, the interim construction beam (5) is cut, when making waterproof layer, the connecting portion (2) outside described is extended in exposing
Waterproof roll (4) carries out overlap joint.
6. the construction method of the full bag water proof structure structure according to claim 1 for contrary sequence method building, its feature
It is：In the step E, the concrete parts of the interim construction beam (5) are cut, by the interim construction beam (5)
Vertical reinforcement uses as the vertical reinforcement for returning the exterior wall built.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711019502.9A CN107653905B (en) | 2017-10-27 | 2017-10-27 | Full-package waterproof structure for reverse construction method building and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711019502.9A CN107653905B (en) | 2017-10-27 | 2017-10-27 | Full-package waterproof structure for reverse construction method building and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107653905A true CN107653905A (en) | 2018-02-02 |
| CN107653905B CN107653905B (en) | 2023-03-10 |
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| CN201711019502.9A Active CN107653905B (en) | 2017-10-27 | 2017-10-27 | Full-package waterproof structure for reverse construction method building and construction method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07150579A (en) * | 1993-11-26 | 1995-06-13 | Takenaka Komuten Co Ltd | Floor construction method in inversely driving construction method |
| CN104088295A (en) * | 2014-06-12 | 2014-10-08 | 广州市市政工程设计研究院 | Embedded connection structure of enclosure wall and medium plate for cover and excavation top-down method as well as construction method of embedded connection structure |
| CN105178357A (en) * | 2015-07-16 | 2015-12-23 | 中国建筑股份有限公司 | Prefabricated subsurface structure under foundation trench open cutting condition and construction method for prefabricated subsurface structure under foundation trench open cutting condition |
| CN105970976A (en) * | 2016-07-26 | 2016-09-28 | 华东建筑设计研究院有限公司 | Vertical connection structure for supporting row piles and main underground structure |
| CN106049538A (en) * | 2016-08-24 | 2016-10-26 | 中铁隧道勘测设计院有限公司 | Reverse-building-method underground engineering building envelope crown beam anti-floating node |
| CN207392240U (en) * | 2017-10-27 | 2018-05-22 | 上海市城市建设设计研究总院（集团）有限公司 | For the full bag water proof structure structure of contrary sequence method building |
-
2017
- 2017-10-27 CN CN201711019502.9A patent/CN107653905B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07150579A (en) * | 1993-11-26 | 1995-06-13 | Takenaka Komuten Co Ltd | Floor construction method in inversely driving construction method |
| CN104088295A (en) * | 2014-06-12 | 2014-10-08 | 广州市市政工程设计研究院 | Embedded connection structure of enclosure wall and medium plate for cover and excavation top-down method as well as construction method of embedded connection structure |
| CN105178357A (en) * | 2015-07-16 | 2015-12-23 | 中国建筑股份有限公司 | Prefabricated subsurface structure under foundation trench open cutting condition and construction method for prefabricated subsurface structure under foundation trench open cutting condition |
| CN105970976A (en) * | 2016-07-26 | 2016-09-28 | 华东建筑设计研究院有限公司 | Vertical connection structure for supporting row piles and main underground structure |
| CN106049538A (en) * | 2016-08-24 | 2016-10-26 | 中铁隧道勘测设计院有限公司 | Reverse-building-method underground engineering building envelope crown beam anti-floating node |
| CN207392240U (en) * | 2017-10-27 | 2018-05-22 | 上海市城市建设设计研究总院（集团）有限公司 | For the full bag water proof structure structure of contrary sequence method building |
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| Title |
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| 李立等: "中国美术馆站外挂厅结构盖挖逆作法设计要点探讨", 《隧道建设》 * |
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