CN106351208A - Prefabricated underground diaphragm wall vertical-splicing structure - Google Patents
Prefabricated underground diaphragm wall vertical-splicing structure Download PDFInfo
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- CN106351208A CN106351208A CN201610886472.0A CN201610886472A CN106351208A CN 106351208 A CN106351208 A CN 106351208A CN 201610886472 A CN201610886472 A CN 201610886472A CN 106351208 A CN106351208 A CN 106351208A
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- continuous wall
- underground continuous
- coercion underground
- width
- protuberance
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a prefabricated underground diaphragm wall vertical-splicing structure. Upper and low prefabricated underground diaphragm walls are clamped together through convex portions and concave portions, the convex portions are provided with a plurality of convex portion holes penetrating through the convex portions, a plurality of concave portion holes matched with the convex portion holes are correspondingly formed in two sides of each concave portion, the concave portion holes penetrate through the prefabricated underground diaphragm walls on two sides of the concave portions and are close to nut grooves reserved at the outer side ends of the prefabricated underground diaphragm walls, rubber water stopping sheets are arranged between the convex portions and the concave portions, bolts are inserted into the corresponding holes of the upper and low prefabricated underground diaphragm walls, threads are arranged at two ends of each bolt, the two ends of each bolt are locked by using fixing nuts, nuts are located in nut grooves, and epoxy plaster hole sealing and water stopping are adopted around the nuts. The prefabricated underground diaphragm wall vertical-splicing structure can effectively transfer the internal stresses of the upper and low diaphragm walls and is suitable for transportation and hoisting, meanwhile the length and weight of a single diaphragm wall are decreased, and the applicable foundation pit excavation depth of the underground diaphragm walls is also increased.
Description
Technical field
The present invention relates to a kind of vertical splicing construction of coercion underground continuous wall and method, it is particularly well-suited to prefabricated underground continuous
Wall is as vertical splicing when foundation pit enclosure and outer wall of basement.
Background technology
At present, coercion underground continuous wall is based on cast in situs, coercion underground continuous wall with considerably less.This is because
Conventional coercion underground continuous wall length direction does not set seam, leads to that single width coercion underground continuous wall length is long, and weight is much, no
It is suitable for transport and lift；Also result in that coercion underground continuous wall excavation of foundation pit applicatory depth is very shallow, range of application is very
Limited, economical very poor, this all greatly constrains the application of Precast Diaphragm Wall.
Therefore, how to provide a kind of structure simple, easy construction, reliably can effectively transmit upper and lower two prefabricated undergrounds even
The internal force of continuous wall, separately can achieve coercion underground continuous wall do not do remaining process can directly as outer wall of basement use prefabricated
The vertical splicing construction of diaphram wall and method, it has also become underground construction circle needs the technical problem of further improvement and optimization.
Content of the invention
It is an object of the invention to provide a kind of vertical splicing construction of coercion underground continuous wall, structure is simple, easy construction,
Reliably can effectively transmit the internal force of upper and lower two width coercion underground continuous wall, realize coercion underground continuous wall and do not do remaining process be
Can use directly as outer wall of basement.
For achieving the above object, the present invention provides a kind of following technical scheme: the vertical splicing construction of coercion underground continuous wall,
Including two width coercion underground continuous wall setting up and down it is characterised in that in the butt end of upper and lower two width coercion underground continuous wall
Portion is respectively equipped with the recess matching and protuberance, and upper and lower two width coercion underground continuous wall are fastened togather with recess by protuberance,
Protuberance opens up the protuberance aperture that several run through protuberance, and the both sides of recess are correspondingly arranged on several and described protuberance ostium
Recess aperture, described recess aperture runs through the coercion underground continuous wall of recess both sides, and recess aperture is continuous near prefabricated underground
Wall outboard end reserves nut groove, is provided with rubber water-proof piece between described protuberance and recess, adopts epoxy glue mudding around nut
Hole sealing, inserts latch in the corresponding aperture of described upper and lower two width coercion underground continuous wall, described latch two ends are threaded, and
Latch two ends are locked with hold-doun nut, and described nut is located in nut groove.
Preferably, described protuberance is arranged at and is located below on a width coercion underground continuous wall, and described recess is arranged at and is located at
Above on a width coercion underground continuous wall.
Preferably, described recess, protuberance are arranged respectively along the width total length of described coercion underground continuous wall, described
Several protuberance apertures and recess aperture are arranged respectively along the width of described coercion underground continuous wall, the horizontal stroke of described protuberance
Section is in up-small and down-big trapezoidal, and the cross section of described recess is corresponding with protuberance.
Preferably, the cross section of described protuberance is in isosceles trapezoid.
Preferably, in the above-mentioned vertical splicing construction of coercion underground continuous wall, in upper and lower two width coercion underground continuous wall
Splicing seam crossing makes beams of concrete, not only can provide for node and support, may also operate as the effect of sealing.
From techniques disclosed above scheme, compared with prior art, beneficial effects of the present invention are as follows:
First, the vertical splicing construction of coercion underground continuous wall disclosed by the invention, upper and lower two width coercion underground continuous wall pass through engaging
Protuberance together and recess, by latch, are locked in corresponding tapping insertion latch up and down, then in the rotation of latch two ends
Enter nut Fixed latches, can effectively transmit the internal force of upper and lower two width ground-connecting-walls so that upper and lower two width coercion underground continuous wall it
Between formed and be reliably connected, and reach the purpose of sealing around nut again with epoxy mortar sealing of hole；
2nd, the vertical splicing construction of coercion underground continuous wall disclosed by the invention, is provided separately due to coercion underground continuous wall, subtracts
The little length of single width coercion underground continuous wall and weight, are suitable for transport and lift, and because spliced prefabricated underground is continuous
The overall size of wall can dramatically increase, and therefore increased coercion underground continuous wall excavation of foundation pit applicatory depth, being allowed to can
Used with being applied to compare in existing deeper foundation ditch, there are good economic benefits；
3rd, the vertical splicing construction of coercion underground continuous wall disclosed by the invention, because the cross section of described protuberance is trapezoidal, not only
So that the docking of upper and lower two width coercion underground continuous wall is convenient, the installation effectiveness effectively improving, and in splicing upper and lower two
When width coercion underground continuous wall, above a width coercion underground continuous wall can deadweight in the presence of along described protuberance
Domatic automatic attaching precise positioning is it is ensured that installation accuracy；
4th, the vertical splicing construction of coercion underground continuous wall disclosed by the invention, by the width along coercion underground continuous wall
Total length setting rubber water-proof piece, epoxy mortar sealing of hole and upper and lower two width coercion underground continuous wall splice seam crossings make
Beams of concrete, defines three road waterproof layers in the stitching portion of upper and lower two width coercion underground continuous wall, can effectively prevent prefabricatedly
The water of lower diaphragm wall side flows into the opposite side of coercion underground continuous wall through the stitching portion of upper and lower width coercion underground continuous wall, has
Do not do remaining process beneficial to coercion underground continuous wall to use directly as outer wall of basement, be conducive to coercion underground continuous wall
The popularization of technology and utilization.
Brief description
Fig. 1 is the schematic diagram of the vertical splicing structure of one embodiment of the invention two width coercion underground continuous wall.
Fig. 2 is profile before the vertical splicing of one embodiment of the invention two width coercion underground continuous wall.
Fig. 3 is profile after the vertical splicing of one embodiment of the invention two width coercion underground continuous wall.
Fig. 4 is three-dimensional exploded view when one embodiment of the invention two width coercion underground continuous wall splices.
After Fig. 5 is the vertical splicing of one embodiment of the invention two width coercion underground continuous wall splicing, make coagulation in seam crossing
Native beam profile.
In figure indicates: 1, rubber water-proof piece；2nd, latch；3rd, hold-doun nut；4th, recess；5th, protuberance；6th, recess aperture；7th, ring
Oxygen clay sealing of hole；8th, protuberance aperture.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to coercion underground continuous wall proposed by the present invention vertical splicing construction make into
One step describes in detail.According to following explanation and claims, advantages and features of the invention will become apparent from.It should be noted that,
Accompanying drawing, all in the form of very simplification and all using non-accurately ratio, only in order to convenience, lucidly aids in illustrating the present invention
The purpose of embodiment.
Embodiment one
Refer to Fig. 1 to Fig. 5, wherein, Fig. 1 is showing of one embodiment of the invention two vertical splicing structure of width coercion underground continuous wall
It is intended to；Fig. 2 is profile before the vertical splicing of one embodiment of the invention two width coercion underground continuous wall；Fig. 3 is implemented for the present invention one
Profile after the vertical splicing of example two width coercion underground continuous wall；Fig. 4 is that one embodiment of the invention two width coercion underground continuous wall is spelled
After connecing vertical splicing, make beams of concrete profile in seam crossing；And Fig. 5 is that the prefabricated underground of one embodiment of the invention two connects
Three-dimensional exploded view during continuous wall splicing.
Present embodiment discloses a kind of vertical splicing construction of coercion underground continuous wall, for connecting upper and lower two prefabricated undergrounds
Diaphragm wall, the middle part of the butt end of upper and lower two width coercion underground continuous wall is respectively equipped with the recess 4 matching and protuberance 5, this reality
Apply in example, described protuberance 5 is arranged at and is located below on a width coercion underground continuous wall, upper and lower two width coercion underground continuous wall right
The both sides correspondence connecing end opens up aperture, and described aperture includes the recess on width coercion underground continuous wall recess both sides located above
Aperture 6 and the protuberance aperture 8 being located below a width coercion underground continuous wall recess, recess institute perforate mouth reserves nut groove.Institute
The width total length stating recess 4, protuberance 5 and respective apertures respectively along described coercion underground continuous wall is arranged, each hole
The width that opening's edge described coercion underground continuous wall is arranged at a certain distance, and the cross section of described protuberance presents that bottom is little to go to the bottom
Big is trapezoidal, the cross section of this described protuberance parallel to the thickness direction of described coercion underground continuous wall, perpendicular to described prefabricated
The width of diaphram wall, described recess both sides and the protuberance aperture of upper and lower width coercion underground continuous wall should configure corresponding
Latch 2 and hold-doun nut 3 are that is to say, that the aperture described in recess both sides of a width coercion underground continuous wall above and a following width
After the protuberance aperture lifting alignment of coercion underground continuous wall, by inserting latch 2, screw-in nut 3 in two ends is fixing again, makes upper and lower two width
Coercion underground continuous wall closely connects, and reuses epoxy mortar sealing of hole 7 sealing.
The vertical splicing construction of coercion underground continuous wall of the present invention, on the one hand, upper and lower two width coercion underground continuous wall pass through
Protuberance 5 is fastened togather with recess 4, and the aperture being opened up by recess both sides and protuberance is inserted latch and fixed this two measures,
The internal force of upper and lower two width ground-connecting-walls can effectively be transmitted and be reliably connected so that being formed between upper and lower two width coercion underground continuous wall；
On the other hand, it is provided separately due to coercion underground continuous wall, reduces length and the weight of single width coercion underground continuous wall, fit
Close transport and lift, and because the overall size of spliced coercion underground continuous wall can dramatically increase, therefore increased pre-
Diaphram wall processed excavation of foundation pit depth applicatory, makes it possible to be applied to compare in existing deeper foundation ditch use, has
Good economic benefits；Another further aspect, because the cross section of described protuberance is trapezoidal, therefore, prefabricated in upper and lower two of splicing
When lower diaphragm wall, above a width coercion underground continuous wall can in the presence of deadweight along described protuberance domatic automatically
Laminating, precise positioning, the installation effectiveness not only improving, and ensure that installation accuracy；Another further aspect, due to described protuberance with recessed
It is fixed using latch when portion is connected, therefore, it is not necessary to wait mixed when splicing upper and lower two width coercion underground continuous wall
Solidifying soil or mortar reach design strength, save the splicing time.
So that being more uniformly stressed between upper and lower two width coercion underground continuous wall, cross section of described protuberance 5 etc.
Waist is trapezoidal.
Preferably, in the above-mentioned vertical splicing construction of coercion underground continuous wall, the both sides of described recess 5 and 4 points of protuberance
Do not offer recess aperture 6, protuberance aperture 8, described recess aperture 6, protuberance aperture 8 along described coercion underground continuous wall width
Degree direction is arranged at a certain distance.Described recess aperture 6, protuberance aperture 8 complete upper and lower two width coercion underground continuous wall docking
And after the alignment of aperture, using the upper and lower two width coercion underground continuous wall of latch locking, make upper and lower two prefabricated undergrounds continuously tight
Connect.So, upper and lower two width coercion underground continuous wall splicings without waiting for concrete or cement mortar reaches design strength, treat
After completing latch locking, you can carry out the splicing of next width coercion underground continuous wall, significantly improve splicing efficiency..
Preferably, in the above-mentioned vertical splicing construction of coercion underground continuous wall, between described protuberance and recess, it is provided with rubber
Glue sealing piece 1, described rubber water-proof piece 1 is along the width total length arrangement of described coercion underground continuous wall.Described chance water is swollen
First waterproof layer of formation arranged between upper and lower two width diaphram walls by swollen rubber strip 1.
As illustrated, described rubber water-proof piece 1 by the first bottom surface, the first inclined-plane, top surface, the second inclined-plane and the second bottom surface according to
Secondary be formed by connecting, the wherein first inclined-plane, top surface and the second inclined-plane define a up big and down small isosceles trapezoid, the first bottom surface and
Second bottom surface is generally aligned in the same plane, and is generally aligned in the same plane with the bottom surface of described isosceles trapezoid, described first inclined-plane and second
The middle part on inclined-plane is disposed with the perforation of several latches at a certain distance along the width of described coercion underground continuous wall.
In order to improve further upper and lower two width coercion underground continuous wall stitching portion risk of leakage it is preferred that described insert
Pin 2 two ends two ends nut 3 after fixing upper and lower two width coercion underground continuous wall locks, and then uses epoxy mortar sealing of hole 7 again
Form second waterproof layer between upper and lower two width diaphram walls.
Preferably, in the above-mentioned vertical splicing construction of coercion underground continuous wall, complete coercion underground continuous wall splicing
After construction, beams of concrete can be made in upper and lower two width coercion underground continuous wall splicing seam crossings.Not only can provide for node and support,
May also operate as the effect of sealing, form the 3rd road waterproof layer between upper and lower two width diaphram walls.
Preferably, pre-buried one vertical steel plate for sealing water in described protuberance, the bottom of described recess is provided with for described water-stopping steel
The rectangular channel that plate stretches into, the top of described steel plate for sealing water is provided with hydro-expansive rubber band, and described hydro-expansive rubber band is along institute
State the width total length arrangement of coercion underground continuous wall.
Therefore, by the rubber water-proof piece 1 of the width total length setting along coercion underground continuous wall, epoxy mortar
Sealing of hole 7 and splicing seam crossing make beams of concrete, thus defining three in the stitching portion of upper and lower two width coercion underground continuous wall
Road waterproof layer, can effectively prevent the water of coercion underground continuous wall side from flowing through the stitching portion of upper and lower width coercion underground continuous wall
Enter the opposite side of coercion underground continuous wall, being conducive to coercion underground continuous wall not do remaining process can be outdoor directly as underground
Wall uses, and has saved construction cost, has been conducive to popularization and the utilization of Precast Diaphragm Wall.
Embodiment two
Please continue to refer to Fig. 1 to Fig. 4, this enforcement also discloses a kind of vertical joining method of coercion underground continuous wall, using as above
The vertical splicing construction of described coercion underground continuous wall, comprises the steps:
The first step, a fixing following width coercion underground continuous wall；
Second step, lifts the top of width coercion underground continuous wall width coercion underground continuous wall below described above；
3rd step, above width coercion underground continuous wall both sides institute perforate fit in protuberance described in precise positioning lower edge, and following
One width coercion underground continuous wall protuberance institute apertures in alignment；
4th step, by latch, is locked in corresponding tapping insertion latch up and down, then it is solid to screw in nut at latch two ends
Determine latch so that upper and lower two width coercion underground continuous wall closely connect, and use epoxy mortar sealing of hole sealing around nut again.
The vertical joining method of coercion underground continuous wall that the present embodiment provides, on the one hand, upper and lower two prefabricated undergrounds are continuous
Wall is fastened togather with recess 4 by protuberance 5, and inserts latch locking by institute's perforate mouth on recess 4 both sides and protuberance 5, with
And use this three measures of nut Fixed latches two ends, can effectively transmit the internal force of upper and lower two width ground-connecting-walls so that upper and lower two
Formed between width coercion underground continuous wall and be reliably connected；On the other hand, it is provided separately due to coercion underground continuous wall, reduce
The length of single width coercion underground continuous wall and weight, are suitable for transport and lift, and because spliced coercion underground continuous wall is whole
The size of body can dramatically increase, and therefore increased coercion underground continuous wall excavation of foundation pit applicatory depth, and making it possible to should
Use for comparing in existing deeper foundation ditch, there are good economic benefits；Another further aspect, due to the cross section of described protuberance
Trapezoidal, therefore, splice upper and lower two width coercion underground continuous wall when, above a width coercion underground continuous wall can
Along the domatic automatic attaching of described protuberance, precise positioning, the installation effectiveness not only improving in the presence of deadweight, and ensure that peace
Dress precision.Another further aspect, is fixed using latch due to when described protuberance is connected with recess, therefore, in splicing upper and lower two
It is not necessary to wait concrete or mortar to reach design strength when width coercion underground continuous wall, save the splicing time.
In order to improve the risk of leakage of the stitching portion of upper and lower two width coercion underground continuous wall, continuous in above-mentioned prefabricated underground
In the vertical joining method of wall, between described protuberance and recess, it is provided with rubber water-proof piece 1, described rubber water-proof piece 1 is along described pre-
The width total length arrangement of diaphram wall processed.Described hydro-expansive rubber band 1 is between upper and lower two width diaphram walls
Arrangement forms first waterproof layer.
In order to improve further upper and lower two width coercion underground continuous wall stitching portion risk of leakage it is preferred that described insert
Pin 2 two ends two ends nut 3 after fixing upper and lower two width coercion underground continuous wall locks, and then uses epoxy mortar sealing of hole 7 again
Form second waterproof layer between upper and lower two width diaphram walls.
Therefore, by rubber water-proof piece 1 and the epoxy of the width total length setting along coercion underground continuous wall
Clay sealing of hole 7, thus defining two road waterproof layers in the stitching portion of upper and lower two width coercion underground continuous wall, can effectively prevent pre-
The water of diaphram wall side processed flows into the another of coercion underground continuous wall through the stitching portion of upper and lower width coercion underground continuous wall
Side, being conducive to coercion underground continuous wall not do remaining process can use directly as outer wall of basement, saved construction cost,
Be conducive to popularization and the utilization of Precast Diaphragm Wall.
Foregoing description is only the description to present pre-ferred embodiments, not any restriction to the scope of the invention, this
Any change that the those of ordinary skill in bright field does according to the disclosure above content, modification, belong to the protection of claims
Scope.
Claims (5)
1. the vertical splicing construction of a kind of coercion underground continuous wall, including two width coercion underground continuous wall setting up and down, its feature
It is that the middle part of the butt end of upper and lower two width coercion underground continuous wall is respectively equipped with the recess matching and protuberance, upper and lower two width are pre-
Diaphram wall processed is fastened togather with recess by protuberance, and protuberance opens up the protuberance aperture that several run through protuberance, recess
Both sides are correspondingly arranged on the recess aperture of several and described protuberance ostium, and the pre- of recess both sides is run through in described recess aperture
Diaphram wall processed, nut groove is reserved near coercion underground continuous wall outboard end in recess aperture, between described protuberance and recess
It is provided with rubber water-proof piece, insert latch in the corresponding aperture of described upper and lower two width coercion underground continuous wall, described latch two ends set
Put screw thread, and latch two ends are locked with hold-doun nut, described nut is located in nut groove, around nut, adopt epoxy glue mudding
Hole sealing.
2. the vertical splicing construction of coercion underground continuous wall as claimed in claim 1 is it is characterised in that described protuberance is arranged at position
On a following width coercion underground continuous wall, described recess is arranged on a width coercion underground continuous wall located above.
3. the vertical splicing construction of coercion underground continuous wall as claimed in claim 2 is it is characterised in that described recess, male portion
Not along width total length arrangement, several protuberance apertures described and the recess aperture edge respectively of described coercion underground continuous wall
The width arrangement of described coercion underground continuous wall, the cross section of described protuberance is in up-small and down-big trapezoidal, described recess
Cross section corresponding with protuberance.
4. the vertical splicing construction of coercion underground continuous wall as claimed in claim 3 is it is characterised in that the cross section of described protuberance
In isosceles trapezoid.
5. the vertical splicing construction of coercion underground continuous wall as claimed in claim 4 is it is characterised in that in above-mentioned prefabricated underground
In the vertical splicing construction of diaphragm wall, make beams of concrete in upper and lower two width coercion underground continuous wall splicing seam crossings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886472.0A CN106351208A (en) | 2016-10-11 | 2016-10-11 | Prefabricated underground diaphragm wall vertical-splicing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886472.0A CN106351208A (en) | 2016-10-11 | 2016-10-11 | Prefabricated underground diaphragm wall vertical-splicing structure |
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| CN106351208A true CN106351208A (en) | 2017-01-25 |
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| CN201610886472.0A Pending CN106351208A (en) | 2016-10-11 | 2016-10-11 | Prefabricated underground diaphragm wall vertical-splicing structure |
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| CN106948337A (en) * | 2017-04-13 | 2017-07-14 | 大成科创基础建设股份有限公司 | The diaphram wall and its construction method of the wall of prestressing force assembled two unification |
| CN110629789A (en) * | 2019-09-23 | 2019-12-31 | 中国一冶集团有限公司 | Assembled wallboard quick joint for underground engineering and construction method thereof |
| CN110805024A (en) * | 2019-05-22 | 2020-02-18 | 中煤江南建设发展有限公司 | Prefabricated guide wall of underground continuous wall |
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| CN205224014U (en) * | 2015-11-27 | 2016-05-11 | 上海市政工程设计研究总院（集团）有限公司 | Precast underground continuous wall of pre -buried steel sheet |
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| KR101327388B1 (en) * | 2013-07-17 | 2013-11-08 | 정택동 | The pc wall for water-storage tank of assembly type and method for constructing thereof |
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| CN110805024A (en) * | 2019-05-22 | 2020-02-18 | 中煤江南建设发展有限公司 | Prefabricated guide wall of underground continuous wall |
| CN110629789A (en) * | 2019-09-23 | 2019-12-31 | 中国一冶集团有限公司 | Assembled wallboard quick joint for underground engineering and construction method thereof |
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