CN109403351A - One kind is from card column splice assembling coercion underground continuous wall - Google Patents
One kind is from card column splice assembling coercion underground continuous wall Download PDFInfo
- Publication number
- CN109403351A CN109403351A CN201811554011.9A CN201811554011A CN109403351A CN 109403351 A CN109403351 A CN 109403351A CN 201811554011 A CN201811554011 A CN 201811554011A CN 109403351 A CN109403351 A CN 109403351A
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- wall
- tenon
- card slot
- wallboard
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- 208000020442 loss of weight Diseases 0.000 claims abstract description 6
- 238000010276 construction Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 239000011178 precast concrete Substances 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 2
- 238000007569 slipcasting Methods 0.000 abstract description 10
- 238000013461 design Methods 0.000 abstract description 4
- 210000001503 joint Anatomy 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 239000002689 soil Substances 0.000 description 5
- 238000003032 molecular docking Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
- E02D19/185—Joints between sheets constituting the sealing aprons
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses one kind from card column splice assembling coercion underground continuous wall, the wallboard being mutually inserted including several left and right, the wallboard includes integrally formed wall and column, the wall and column side are respectively equipped with the tenon and card slot mutually exactly matched, tenon bottom surface is outer low and inner high inclined-plane, the tenon from top to bottom with the seamless grafting of the card slot of adjacent wall board, pre-buried seam grouting pipe in the tenon, the loss of weight cavity not through bottom is offered in the middle part of the wall, and wall bottom grouting pipe and hoisting ring are also embedded in wall.The assembling coercion underground continuous wall has overcome the problems, such as prefabricated diaphram wall existing and deposits left and right jointing intensity and is inadequate by improvement connector design；Notch form is simplified, solves the problem that T-type notch is complicated, reset time is long, notch quantity of reinforcement is big, at high cost；It solves grouting difficulty simultaneously and weakens directly affecting due to the insufficient butt joint drag of slip casting.
Description
Technical field
The invention belongs to technical field of buildings, and in particular to a kind of continuous from the prefabricated underground of card column splice assembling
Wall.
Background technique
As the utilization of the quickening of urbanization process, town site growing tension, the underground space is increasingly becoming building
The major fields of engineering construction development.With the exploitation of urban underground space, base pit engineering develop by Xiang Chao great, ultra-deep direction,
It is also faced with the serious challenge of severe hydrogeologic condition simultaneously.The most commonly used is diaphram walls for underground space building enclosure.So
And there are many problems in grooving, casting process in currently used cast-in-place diaphram wall technique, be included in construction in due to
Large volume underwater concreting wall quality is difficult to control, and cell wall part Study on Soil Collapse is not easy degree of plainness for wall surface when grooving
Control and concrete setting duration are longer etc..
In recent years, coercion underground continuous wall becomes a new developing direction of foundation pit area research and application.It is existing at present
Assembling coercion underground continuous wall be in horizontal connection using T-type card slot direct card insert type connector design, this kind
Card slot T-type sectional dimension is only the 1/3 of wall thickness, in addition notch arrangement is complex, seam grouting quality is difficult to control, and is made
The bonding strength obtained between two wallboards is far from enough.By structural mechanical property experiments have shown that: the existing direct insertion connector of T-type card slot
Diaphram wall is assembled, joint area becomes stress weakest region, greatly reduces the globality of diaphragm wall, so that wall
Support Function cannot give full play to.Therefore, in order to improve the practicability of prefabricated diaphram wall, it is badly in need of one kind at present and connects
The head good prefabricated diaphram wall of switching performance.
Summary of the invention
Present invention aim to address the above problems, provide a kind of continuous from the prefabricated underground of card column splice assembling
Wall, the diaphragm wall are applied in underground engineering, can be used as underground space retaining wall structure, water sealing structure and vertical carrying knot
Structure uses, and working procedure is simple, can effectively improve construction efficiency, reduce construction cost.
In order to solve the above technical problems, the technical scheme is that one kind from card column splice assembling prefabricatedly
Lower diaphragm wall, including the wallboard that several left and right are mutually inserted, the wallboard includes integrally formed wall and column, the wall
Body and column side are respectively equipped with the tenon and card slot mutually exactly matched, and tenon bottom surface is outer low and inner high inclined-plane, the tenon
Head is from top to bottom with the seamless grafting of the card slot of adjacent wall board, pre-buried seam grouting pipe in the tenon, in the middle part of the wall
The loss of weight cavity not through bottom is offered, and is also embedded with wall bottom grouting pipe and hoisting ring in wall.
Preferably, the height of the wall and column is equal, and the column section length is not less than 500mm, and width is greater than
Width of wall body is higher by wall side in transverse direction not less than 200mm, wall and the column lap of splice and is not less than 200mm.
Preferably, the tenon is second level double inclined plane tenon, including first order tenon and second level tenon；The card slot is
The second level double inclined plane card slot to match with tenon shape, including first order card slot and second level card slot.
Preferably, the card slot width is identical as thickness of wall body, the inclined-plane inclination angle of first order card slot and second level card slot
It spends equal, is all larger than the angle of friction of precast concrete wall contact surface.
Preferably, the tenon width is identical as thickness of wall body, the inclined-plane inclination of the first order tenon, second level tenon
Angle is equal with the bevel inclination angle of first order card slot, second level card slot.
Preferably, the tenon total height is the 4/5 of wall whole height, and first order tenon height is wall whole height
1/4~1/3, second level tenon height be wall whole height 1/2~3/5.
Preferably, the article rubber water stop of six to nine water-swellables, the water-stop glue are additionally provided on the tenon left side
Item is fitted tightly over tenon outer wall from top to bottom.
Preferably, the seam grouting pipe quantity is four, wherein two piece-root graftings stitch grouting pipe vertically through the first order
Tenon, both ends open is respectively on first order tenon upper surface and the inclined-plane of first order tenon；Another two piece-root graftings seam grouting pipe is hung down
Straight perforation second level tenon, both ends open is respectively on second level tenon upper surface and the inclined-plane of second level tenon.
Preferably, the wallboard is the plane straight panels assembled for plane wall or hands over for corner construction and wall
The special-shaped wallboard of construction is pitched, the abnormal shape wallboard is bend to wallboard middle part.
It is provided by the invention to be had the advantages that from card column splice assembling coercion underground continuous wall
(1) design concept of the present invention is reasonable, and column slot connector is used between two width wallboards, it is rigid to increase joint
Wallboard joints are transferred to wall side by column, diaphram wall, without connectivity transverse slot, is reduced in joint by degree
Due to risk when seam packing is bad, the stability connected between wallboard ensure that；
(2) present invention is divided to upper and lower two sections of slip casting using double tenon, keeps seam slip casting more abundant, effectively seam crossing is avoided to go out
The disconnected slurry band in current situation portion, improves the caking property of connector；
(3) joint structure is simple, easy to make, avoids the connectivity problems such as wallboard grafting difficulty and fitting compactness, very well
Ground overcomes existing coercion underground continuous wall using common joggle, the inadequate problem of wallboard connector intensity；
(4) wallboard of the invention can be prefabricated in the factory, and the construction quality of wall is guaranteed that work progress is simple,
The working procedure for solving diaphram wall is complicated, to the demanding problem of technical staff, effectively improves construction of diaphragm wall
Efficiency reduces the duration of a project；
(5) generally speaking of the invention applied widely, the supporting construction and load-carrying members that can be used as the underground space use,
With very strong practical value and application prospect, it is worth popularization in the field of business.
Detailed description of the invention
Fig. 1 is schematic perspective view of the present invention from card column splice assembling coercion underground continuous wall；
Fig. 2 is schematic perspective view of the present invention from card column splice assembling coercion underground continuous wall；
Fig. 3 is top view of the present invention from card column splice assembling coercion underground continuous wall；
Fig. 4 is the A-A the schematic diagram of the section structure in Fig. 3.
Description of symbols: 1, wall；2, column；3, card slot；31, first order card slot；32, second level card slot；4, tenon；
41, first order tenon；42, second level tenon；5, loss of weight cavity；6, seam grouting pipe；7, wall bottom grouting pipe；8, hoisting ring
Installation sleeve；9, article rubber water stop.
Specific embodiment
The present invention is described further in the following with reference to the drawings and specific embodiments:
It is of the invention from card column splice assembling coercion underground continuous wall, the wall being mutually inserted including several left and right
Plate.As shown in Figs 1-4, wallboard includes integrally formed wall 1 and column 2.2 right edge of column is equipped with card slot 3,1 left side of wall
What side and card slot 3 exactly matched is equipped with tenon 4.
Wall 1 is equal with the height of column 2.2 section length of column is not less than 500mm, and width is greater than 1 width of wall, horizontal
It is higher by 1 side of wall upwards and is not less than 200mm not less than 200mm, wall 1 and 2 lap of splice of column.Card slot 3 is provided with column
Right side central, width are identical as 1 thickness of wall.In the present embodiment, card slot 3 is second level double inclined plane card slot, including the first order
Card slot 31 and second level card slot 32, inclined-plane is high outside and low outside.The bevel inclination angle phase of first order card slot 31 and second level card slot 32
Deng being all larger than the angle of friction of precast concrete wall contact surface.It is worth explanation, card slot is not limited to second level double inclined plane, can also be with
For multistage inclined-plane card slot, such as there are three inclined-planes, specific series to set according to actual needs for tool.
Tenon 4 is set to 1 left side of wall, and width is identical as 1 thickness of wall.In the present embodiment, tenon 4 is and card
The second level double inclined plane tenon that 3 shape of slot matches, including first order tenon 41 and second level tenon 42,4 bottom surface of tenon are outer low
Interior high inclined-plane.First order tenon 41, the bevel inclination angle of second level tenon 42 and first order card slot 31, second level card slot 32
Bevel inclination angle it is equal.4 total height of tenon is the 4/5 of 1 whole height of wall, and 41 height of first order tenon is that wall 1 is whole
The 1/4~1/3 of body height, 42 height of second level tenon are the 1/2~3/5 of 1 whole height of wall.Tenon 4 from top to bottom with phase
The seamless grafting of card slot 3 of adjacent wallboard.Further, the water-stop glue of six to nine water-swellables is additionally provided on 4 left side of tenon
Item 9, article rubber water stop 9 are fitted tightly over 4 outer wall of tenon from top to bottom.It should be noted that waterproof in the processing or transportational process of wallboard
And touching.
Also pre-buried seam grouting pipe 6 in tenon 4,6 quantity of seam grouting pipe is four, wherein two piece-root graftings stitch slip casting
Conduit 6 is vertically through first order tenon 41, and both ends open is respectively in the oblique of 41 upper surface of first order tenon and first order tenon 41
On face；Another two piece-root graftings seam grouting pipe 6 is vertically through second level tenon 42, and both ends open is respectively in 42 upper surface of second level tenon
On the inclined-plane of second level tenon 42.
Loss of weight cavity 5 is offered in the middle part of wall 1, for reducing prefabricated panel weight, reducing concrete amount, loss of weight cavity
5 bottom does not penetrate through wall 1.Wall bottom grouting pipe 7 and vertical hoisting ring installation sleeve 8 are also embedded in wall 1.Hoisting ring peace
Sleeved 8, which are easily installed hoisting ring, is lifted and is transported, and the end of hoisting ring installation sleeve 8 is in the upper surface of wallboard.
Wallboard 1 can be fabricated to for the plane straight panels of plane wall assembling or for corner construction and wall intersection
The special-shaped wallboard of construction, special-shaped wallboard are to carrying out bending in the middle part of wallboard 1.Wallboard 1 processed in factory using template and
At processing request has certain precision, is successfully inserted at tenon 4 in card slot 3 and fits closely.
Processing of the invention is described in further detail with installation steps below, it is of the invention further to show
Advantage and principle, are processed according to the following steps and are installed, and the present invention can be effectively ensured from card column splice assembled underground
The construction quality of diaphragm wall:
S1, wallboard it is prefabricated: prefabricated workshop use template coercion underground continuous wall wallboard, the ruler of strict control wallboard
It is very little, strict control grouting pipe verticality, it is ensured that grouting pipe both ends open is unobstructed, it is ensured that water-swellable article rubber water stop 9 is pasted
Securely；
The transport of S2, wallboard: prefabricated wallboard is transported to construction site, can be used in transportational process wood bracket and
Steel cable is fixed, and guarantees that wallboard is injury-free；
S3, fluting: using grab bucket or groover fluting, and slotting length and width are slightly larger than the length and width of wallboard；
S4, the first width wallboard of lifting: hoisting ring is installed in the hoisting ring installation sleeve 8 of wallboard, is lifted by crane using crane first
Width wallboard moves to above slot section, slowly decentralization to wall bottom designed elevation, keeps crane steady in decentralization process, passes through horizontal ruler control
Wallboard verticality processed, so as not to touching surrounding soil, formed wall bottom sediment, cause wallboard to tilt, under the influence of a width wallboard docking；
S5, the next width wallboard of lifting: hoisting ring being connected in the hoisting ring installation sleeve 8 of the second width wallboard, lifting the
Above two width wallboards to first width wallboard right side groove section, make the tenon 4 of the second width wallboard along first width wallboard card slot 3 slowly under
It falls, when contacting on first order tenon 41, second level tenon 42 and first order card slot 31, second level card slot 32, the second width should be made
Wallboard falls naturally, and with the first width wallboard jam-packed, strict control crane keeps the second width wallboard steadily to move, forbids to swing, keep away
Exempt from tenon plug repeatedly when docking, damages joint structure and water-swellable article rubber water stop；
S6, seam scarfing cinder: through the seam grouting pipe 6 on the wallboard tenon of right side into column card slot 3 and 4 seam of tenon
Injected clear water replaces the mud in seam, Grouting Pipe is made to keep clear, and seam is without sediment and mudcake, in order to avoid influence grouting quality
And the expansion effect of sealing expansion adhesive tape 9；
S7, seam slip casting closing: wallboard docking finishes, after wall bottom foundation soil and periphery soil stabilization, by tenon 4
The slip casting into seam of seam grouting pipe 6, when slurries overflow panel tops when stop slip casting；
S8, the slip casting of wall bottom: slip casting is carried out to wall bottom by wall bottom grouting pipe 5, makes entire wall and foundation soil
It is connected and fixed；
S9, the construction that step S4-S8 completes entire prefabricated underground continuous wall plate is repeated, when encountering corner or wall
When intersection, realized using the special-shaped wallboard bent in the middle part of wallboard.
Generally speaking, provided by the invention from card column splice assembling coercion underground continuous wall, by improveing connector
Design, it is inadequate to overcome the problems, such as that existing prefabricated diaphram wall deposits left and right jointing intensity；Simplify notch shape
Formula solves the problem that T-type notch is complicated, reset time is long, notch quantity of reinforcement is big, at high cost；Grouting difficulty is solved simultaneously
With weaken directly affecting due to the insufficient butt joint drag of slip casting
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such specific embodiments and embodiments.This field
Those of ordinary skill disclosed the technical disclosures can make according to the present invention and various not depart from the other each of essence of the invention
The specific variations and combinations of kind, these variations and combinations are still within the scope of the present invention.
Claims (9)
1. a kind of from card column splice assembling coercion underground continuous wall, it is characterised in that: including several left and right phase interfix
The wallboard connect, the wallboard include integrally formed wall (1) and column (2), and the wall (1) and column (2) side are distinguished
Equipped with the tenon (4) and card slot (3) mutually exactly matched, tenon (4) bottom surface is outer low and inner high inclined-plane, and the tenon (4) is certainly
It goes up and lower card slot (3) seamless grafting with adjacent wall board, pre-buried seam grouting pipe (6) in the tenon (4), the wall
(1) middle part offers the loss of weight cavity (5) not through bottom, and wall bottom grouting pipe (7) and lifting are also embedded in wall (1)
Ring installation sleeve (8).
2. according to claim 1 from card column splice assembling coercion underground continuous wall, it is characterised in that: the wall
The height of body (1) and column (2) is equal, and column (2) the section length is not less than 500mm, and width is greater than wall (1) width,
It is higher by wall (1) side in transverse direction and is not less than 200mm not less than 200mm, wall (1) and column (2) lap of splice.
3. according to claim 1 or 2 from card column splice assembling coercion underground continuous wall, it is characterised in that: institute
Stating tenon (4) is second level double inclined plane tenon, including first order tenon (41) and second level tenon (42)；The card slot (3) be with
The second level double inclined plane card slot that tenon (4) shape matches, including first order card slot (31) and second level card slot (32).
4. according to claim 3 from card column splice assembling coercion underground continuous wall, it is characterised in that: the card
Slot (3) width is identical as wall (1) thickness, and the bevel inclination angle of first order card slot (31) and second level card slot (32) is equal,
It is all larger than the angle of friction of precast concrete wall contact surface.
5. according to claim 3 from card column splice assembling coercion underground continuous wall, it is characterised in that: the tenon
Head (4) width it is identical with wall (1) thickness, the first order tenon (41), second level tenon (42) bevel inclination angle and
First order card slot (31), the bevel inclination angle of second level card slot (32) are equal.
6. according to claim 3 from card column splice assembling coercion underground continuous wall, it is characterised in that: the tenon
Head (4) total height be wall (1) whole height 4/5, first order tenon (41) highly for wall (1) whole height 1/4~
1/3, second level tenon (42) is highly the 1/2~3/5 of wall (1) whole height.
7. -6 is any described from card column splice assembling coercion underground continuous wall according to claim 1, it is characterised in that:
It is additionally provided with the article rubber water stop (9) of six to nine water-swellables on tenon (4) left side, the article rubber water stop (9) is from upper
Tenon (4) outer wall is fitted tightly under and.
8. -6 is any described from card column splice assembling coercion underground continuous wall according to claim 1, it is characterised in that:
Seam grouting pipe (6) quantity is four, wherein two piece-root graftings stitch grouting pipe (6) vertically through first order tenon (41),
Both ends open is respectively on first order tenon (41) upper surface and the inclined-plane of first order tenon (41)；Another two piece-root grafting stitches grouting pipe
(6) vertically through second level tenon (42), both ends open is respectively in second level tenon (42) upper surface and second level tenon (42)
Inclined-plane on.
9. -6 is any described from card column splice assembling coercion underground continuous wall according to claim 1, it is characterised in that:
The wallboard (1) is the plane straight panels assembled for plane wall or the abnormity for corner construction and wall intersection construction
Wallboard, the abnormal shape wallboard are bend to wallboard (1) middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554011.9A CN109403351A (en) | 2018-12-18 | 2018-12-18 | One kind is from card column splice assembling coercion underground continuous wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811554011.9A CN109403351A (en) | 2018-12-18 | 2018-12-18 | One kind is from card column splice assembling coercion underground continuous wall |
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| Publication Number | Publication Date |
|---|---|
| CN109403351A true CN109403351A (en) | 2019-03-01 |
Family
ID=65459904
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811554011.9A Pending CN109403351A (en) | 2018-12-18 | 2018-12-18 | One kind is from card column splice assembling coercion underground continuous wall |
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| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453645A (en) * | 2019-08-28 | 2019-11-15 | 枣庄学院 | A kind of assembly type orientation dankness type water-stop curtain maintaining library water type Landslide Stability |
| CN110469047A (en) * | 2019-07-03 | 2019-11-19 | 西安理工大学 | A kind of recoverable function assembled Bidirectional self-locking type shear wall and its prefabricated panel |
| CN112411590A (en) * | 2020-11-25 | 2021-02-26 | 上海金鹿建设(集团)有限公司 | Underground diaphragm wall structure and construction method |
| CN113502899A (en) * | 2021-06-18 | 2021-10-15 | 中国建筑第八工程局有限公司 | Hydrophobic ditch structure and construction method thereof |
| CN114575331A (en) * | 2022-01-19 | 2022-06-03 | 中天建设集团有限公司 | Prestressed special-shaped underground continuous wall and construction method thereof |
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| CN110469047A (en) * | 2019-07-03 | 2019-11-19 | 西安理工大学 | A kind of recoverable function assembled Bidirectional self-locking type shear wall and its prefabricated panel |
| CN110453645A (en) * | 2019-08-28 | 2019-11-15 | 枣庄学院 | A kind of assembly type orientation dankness type water-stop curtain maintaining library water type Landslide Stability |
| CN112411590A (en) * | 2020-11-25 | 2021-02-26 | 上海金鹿建设(集团)有限公司 | Underground diaphragm wall structure and construction method |
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