CN107130585A - A kind of construction method of underground continuous wall - Google Patents
A kind of construction method of underground continuous wall Download PDFInfo
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- CN107130585A CN107130585A CN201710327074.XA CN201710327074A CN107130585A CN 107130585 A CN107130585 A CN 107130585A CN 201710327074 A CN201710327074 A CN 201710327074A CN 107130585 A CN107130585 A CN 107130585A
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- prefabricated components
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- wall
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- slotted eye
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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 kind of construction method of underground continuous wall, comprise the following steps：Diaphram wall slotted eye is excavated to bottom land；Prepare prefabricated components, above lifting first paragraph prefabricated components to slotted eye after sink in slotted eye, and be suspended on and lead wall for continuous wall trench；Next section of prefabricated components of lifting are simultaneously fixedly linked with the preceding paragraph prefabricated components, the middle cavity of the preceding paragraph prefabricated components is connected with the middle cavity of next section of prefabricated components, continue to hang the prefabricated components spliced and sink in slotted eye；Previous step is repeated until the prefabricated components completed after connection are hung in slotted eye bottom, underwater concrete is then poured in prefabricated components by whole prefabricated components completion liftings with being connected；Maintenance reaches that single width construction of diaphragm wall is completed after some strength；Repeat the above steps until all construction of diaphragm wall are completed.By splicing prefabricated components diaphram wall, it can metope ensured well smooth, not reveal muscle, without voids and pits.The present invention is applied to the realm of building construction.
Description
Technical field
The present invention relates to the realm of building construction, more particularly to a kind of construction method of underground continuous wall.
Background technology
The construction technology of diaphram wall, is generally constructed using the method for cast-in-place concrete, ground grooving and borehole cleaning
Afterwards, the good diaphram wall bar-mat reinforcement of processing and fabricating at the scene is hung in slotted eye by goliath, in grooving process
The hole wall of middle formation is inner and outer template, then forms single width by concreting to slotted eye using underwater gliders technique
Underground wall body, continuous underground wall body i.e. diaphram wall is ultimately formed by repeating the such wall of construction.But due to adopting
With soil hole wall as inner and outer template, and hole wall is rough when during grooving, and under water under the pressure of concrete
Also there can be certain deformation, therefore, after concreting, its metope does not accomplish smooth generally, and bar-mat reinforcement was being hung in
Cheng Zhonghui touches cell wall, or there is a situation where that one side is close to cell wall, causes after excavation, and local dew muscle occurs in wall.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of construction method of underground continuous wall.
The technical solution adopted in the present invention is：A kind of construction method of underground continuous wall, comprises the following steps：
1) diaphram wall slotted eye is excavated to bottom land and by the clear groove of code requirement；
2) slotted eye is sunk to after being prepared according to site operation demand above prefabricated components, lifting first paragraph prefabricated components to slotted eye
In, and be suspended on and lead wall for continuous wall trench；
3) next section of prefabricated components are lifted and are fixedly linked with the preceding paragraph prefabricated components, make the hollow of the preceding paragraph prefabricated components
Chamber is connected with the middle cavity of next section of prefabricated components, is continued to hang the prefabricated components spliced and is sunk in slotted eye, and is suspended on use
In leading on wall for continuous wall trench；
4) repeat step 3) until whole prefabricated components complete lifting with being connected, the prefabricated components completed after connection are hung in
Slotted eye bottom, then pours underwater concrete in prefabricated components；
5) maintenance reaches that single width construction of diaphragm wall is completed after some strength；
6) repeat step 2), 3), 4), 5), be respectively completed each width subterranean wall concreting of odd number series；
7) repeat step 2), 3), 4), 5), be respectively completed each width subterranean wall concreting of even number series.
It is used as the further improvement of above-mentioned technical proposal, step 6) in, described prefabricated components include mutually contradictory two
Block wallboard, two blocks of wallboards are connected by stiff skeleton, and at least one corresponding end is connected by framing steel plate on two blocks of wallboards,
The medium position in the outside of the framing steel plate is provided with steel plate for sealing water, and two blocks of wallboards are surrounded with framing steel plate being capable of filling concrete
Middle cavity.
It is used as the further improvement of above-mentioned technical proposal, step 6) in, described prefabricated components include two segmentations, each
Segmentation all includes two mutually contradictory small wallboards, and one end of at least one segmentation is provided with framing steel plate, and two segmentations are not provided with
One end of framing steel plate is connected so as to which two blocks of adjacent small wallboards are spliced into corresponding wallboard.
It is used as the further improvement of above-mentioned technical proposal, step 7) in, described prefabricated components include mutually contradictory two
Block wallboard, two blocks of wallboards are connected by stiff skeleton, and the middle cavity for being capable of filling concrete is surrounded between two blocks of wallboards.
It is used as the further improvement of above-mentioned technical proposal, step 7) in, described prefabricated components include two segmentations, each
Segmentation all includes two mutually contradictory small wallboards, and one end of two segmentations are connected so as to which two blocks of adjacent small wallboards are spliced into pair
The wallboard answered.
As the further improvement of above-mentioned technical proposal, stiffness mesh sheet is respectively equipped with two blocks of wallboards.
As the further improvement of above-mentioned technical proposal, top and the bottom of the outer wall of two blocks of wallboards are respectively provided with wall
The pre-embedded steel slab that plate is vertically connected.
As the further improvement of above-mentioned technical proposal, the pre-embedded steel slab on the preceding paragraph prefabricated components top and next section it is prefabricated
The pre-embedded steel slab of member lower is fixedly linked by the first junction steel plate.
Beneficial effects of the present invention：The present invention can ensure metope well by splicing prefabricated components diaphram wall
Ground is smooth, do not reveal muscle, without voids and pits, can directly as metope exterior wall, it is to avoid due to underwater concreting process
Middle cell wall slump and produce ground wall quality problem.
Brief description of the drawings
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the top view of the first structure of prefabricated components；
Fig. 2 is the top view of second of structure of prefabricated components；
Fig. 3 is the top view of second of structure of prefabricated components；
Fig. 4 is the attachment structure side view of the preceding paragraph prefabricated components and next section of prefabricated components；
Fig. 5 is the top view of the first sectionally smooth join structure；
Fig. 6 is the top view of second of sectionally smooth join structure；
Fig. 7 is the top view of the third sectionally smooth join structure；
Fig. 8 is the attachment structure sectional view of the preceding paragraph prefabricated components and next section of prefabricated components.
Embodiment
A kind of construction method of underground continuous wall as shown in figures 1-8, comprises the following steps：
1) diaphram wall slotted eye is excavated to bottom land and by the clear groove of code requirement；
2) slotted eye is sunk to after being prepared according to site operation demand above prefabricated components, lifting first paragraph prefabricated components to slotted eye
In, and be suspended on and lead wall for continuous wall trench；
3) next section of prefabricated components are lifted and are fixedly linked with the preceding paragraph prefabricated components, make the hollow of the preceding paragraph prefabricated components
Chamber is connected with the middle cavity of next section of prefabricated components, is continued to hang the prefabricated components spliced and is sunk in slotted eye, and is suspended on use
In leading on wall for continuous wall trench；
4) repeat step 3) until whole prefabricated components complete lifting with being connected, the prefabricated components completed after connection are hung in
Slotted eye bottom, then pours underwater concrete in prefabricated components；
5) maintenance reaches that single width construction of diaphragm wall is completed after some strength；
6) repeat step 2), 3), 4), 5), be respectively completed each width subterranean wall concreting of odd number series；
7) repeat step 2), 3), 4), 5), be respectively completed each width subterranean wall concreting of even number series.
Though in the present embodiment in construction method of underground continuous wall construction method of underground continuous wall diaphram wall in metope
Using prefabricated component, but wall core still uses underwater concrete construction technique, and metope passes through stiff skeleton with core
Or increase some connection bar dowels and cast-in-place concretes and form rigid entirety, remain concrete construction process rigidity under raw water big
Deform small advantage, it is ensured that large deep foundation pit, the use safety of ultra-deep foundation pit support engineering, also make it that metope is more smooth, subtracts
The situations such as dew muscle, voids and pits are lacked.
It is preferred that, with reference to Fig. 1, step 6) in, prefabricated components include mutually contradictory two blocks of wallboards 1,2, two blocks of wallboards 1,2
It is connected by stiff skeleton 6, two corresponding ends are connected by framing steel plate 3 on two blocks of wallboards 1,2, outside framing steel plate 3
The medium position of side is provided with steel plate for sealing water 4, and two blocks of wallboards 1,2 surround the middle cavity for being capable of filling concrete with framing steel plate 3.This
Example can with ensureing metope well smooth, not reveal muscle, without voids and pits by splicing prefabricated components diaphram wall, can
With the exterior wall directly as metope, it is to avoid produce due to cell wall slump during underwater concreting ground wall quality and ask
Topic, than being located in the stiffness mesh sheet 5 at two ends there is more preferable sealing to imitate while steel plate for sealing water 4 is located on the middle part of framing steel plate 3
Really.
With reference to Fig. 2, second of structure of the prefabricated components in the present embodiment is that two blocks of wallboards 1,2 only one of which corresponding ends are led to
Framing steel plate 3 is crossed to be connected.The side for the position installed needed for prefabricated components is installed by the prefabricated components with framing steel plate
When, will be using second of structure.
It is preferred that, with reference to Fig. 5, step 6) in, prefabricated components include two segmentations, and each segmentation is all mutually right including two
Vertical small wallboard 11,21, one end of two segmentations is respectively equipped with framing steel plate 3, and two are segmented the one end for being not provided with framing steel plate
It is connected, so that adjacent two pieces small wallboard 11,12 is spliced into corresponding wallboard, now two segmentations can be spliced into prefabricated components
The first structure.
With reference to Fig. 6, one end of only one of which segmentation is provided with framing steel plate 3, and two are segmented the one end for being not provided with framing steel plate
It is connected so as to which adjacent two pieces small wallboard 11,12 is spliced into corresponding wallboard, now two segmentations can be spliced into pre- shown in Fig. 2
Second of structure of component processed.
It is preferred that, the third structure, step 7 for prefabricated components in this implementation shown in Fig. 3) in, due to step 6)
Through completing each width subterranean wall concreting of odd number series so that the two ends of each width subterranean wall of even number series have been provided with
There is framing steel plate, therefore the prefabricated components of the third structure include mutually contradictory two blocks of wallboards 1,2, two blocks of wallboards 1,2 pass through
Stiff skeleton 6 is connected, and the middle cavity for being capable of filling concrete is surrounded between two blocks of wallboards 1,2.
It is preferred that, with reference to Fig. 7, step 7) in, prefabricated components include two segmentations, and each segmentation is all mutually right including two
Vertical small wallboard, one end of two segmentations is connected so as to which adjacent two pieces small wallboard 11,12 is spliced into corresponding wallboard.
It is preferred that, with reference to Fig. 1, Fig. 2 and Fig. 3, stiffness mesh sheet 5 is respectively equipped with two blocks of wallboards 1,2, stiffness mesh sheet 5 is used
Reinforcing bar or other stiffness materials are made, and improve the intensity of two blocks of wallboards 1,2.
It is preferred that, top and the bottom of the outer wall of two blocks of wallboards are respectively provided with the pre-embedded steel slab that wallboard is vertically connected,
With reference to Fig. 4 and Fig. 8, the top of the outer wall of lower section wallboard 101 is provided with pre-embedded steel slab 71, and the bottom of the outer wall of top wallboard 102 is provided with pre-
Steel plate 72 is buried, when multiple prefabricated components are used cooperatively, can be welded by the first junction steel plate 8 or bolt connection pre-embedded steel slab
71st, it is sequentially connected from bottom to up after 72.
It is preferred that, with reference to Fig. 8, step 6) in, the steel plate for sealing water on the preceding paragraph prefabricated components top and next section of prefabricated components
The steel plate for sealing water of bottom is fixedly linked by the second junction steel plate 9.
Steel plate or bolt etc. are employed in construction method of underground continuous wall in segmentation junction carry out rigidity in the present embodiment
Connection, it is ensured that the transmission of diaphragm wall internal force.
Construction method of underground continuous wall in the present embodiment is both different from full coercion underground continuous wall way, also different from ground
Lower diaphragm wall joint of precast piles way, be a kind of hollow prefabricated components, core it is cast-in-place, in put the brand-new prefabricated diaphragm wall of sealing
Component, makes size normalised prefabricated diaphragm wall, production plant, assembled lightness, wall surface levelling, efficiently solves wall dew
Muscle apparent mass defect, more preferably, and it is small to remain the globality of full cast-in-place construction concrete structure, rigidity large deformation for waterproof effect
Advantage.
Certainly, the invention is not limited in above-mentioned embodiment, those skilled in the art are without prejudice to the present invention
Equivalent variations or replacement can be also made on the premise of spirit, these equivalent modifications or replacement are all contained in the application claim
In limited range.
Claims (8)
1. a kind of construction method of underground continuous wall, it is characterised in that comprise the following steps：
1) diaphram wall slotted eye is excavated to bottom land and by the clear groove of code requirement；
2) sunk to after being prepared according to site operation demand above prefabricated components, lifting first paragraph prefabricated components to slotted eye in slotted eye,
And be suspended on and lead wall for continuous wall trench；
3) lift and next section of prefabricated components and be fixedly linked with the preceding paragraph prefabricated components, make the middle cavitys of the preceding paragraph prefabricated components with
The middle cavity connection of next section of prefabricated component, continues to hang prefabricated components splice and sinks in slotted eye, and is suspended on and is used to connect
Continuous wall grooving is led on wall；
4) repeat step 3) until whole prefabricated components complete lifting with being connected, the prefabricated components completed after connection are hung in into slotted eye
Bottom, then pours underwater concrete in prefabricated components；
5) maintenance reaches that single width construction of diaphragm wall is completed after some strength；
6) repeat step 2), 3), 4), 5), be respectively completed each width subterranean wall concreting of odd number series；
7) repeat step 2), 3), 4), 5), be respectively completed each width subterranean wall concreting of even number series.
2. construction method of underground continuous wall according to claim 1, it is characterised in that：Step 6) in, described prefabricated components
Including two blocks of mutually contradictory wallboards, two blocks of wallboards are connected by stiff skeleton, at least one corresponding end on two blocks of wallboards
It is connected by framing steel plate, the medium position in the outside of the framing steel plate is provided with steel plate for sealing water, two blocks of wallboards and framing steel plate
Surround the middle cavity for being capable of filling concrete.
3. construction method of underground continuous wall according to claim 2, it is characterised in that：Step 6) in, described prefabricated components
Including two segmentations, each segmentation all includes two mutually contradictory small wallboards, and one end of at least one segmentation is provided with framing steel
Plate, one end that two segmentations are not provided with framing steel plate is connected so as to which two blocks of adjacent small wallboards are spliced into corresponding wallboard.
4. construction method of underground continuous wall according to claim 1, it is characterised in that：Step 7) in, described prefabricated components
Including two blocks of mutually contradictory wallboards, two blocks of wallboards are connected by stiff skeleton, and being surrounded between two blocks of wallboards being capable of filling coagulation
The middle cavity of soil.
5. construction method of underground continuous wall according to claim 4, it is characterised in that：Step 7) in, described prefabricated components
Including two segmentations, each segmentation all includes two mutually contradictory small wallboards, and one end of two segmentations is connected so as to adjacent
Two blocks of small wallboards are spliced into corresponding wallboard.
6. the construction method of underground continuous wall according to Claims 2 or 3 or 4 or 5, it is characterised in that：In two blocks of wallboards respectively
Provided with stiffness mesh sheet.
7. the construction method of underground continuous wall according to Claims 2 or 3 or 4 or 5, it is characterised in that：The outer wall of two blocks of wallboards
Top be respectively provided with the pre-embedded steel slab that wallboard is vertically connected with bottom.
8. construction method of underground continuous wall according to claim 7, it is characterised in that：The preceding paragraph prefabricated components top it is pre-buried
Steel plate and the pre-embedded steel slab of next section of prefabricated components bottom are fixedly linked by the first junction steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710327074.XA CN107130585A (en) | 2017-05-10 | 2017-05-10 | A kind of construction method of underground continuous wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710327074.XA CN107130585A (en) | 2017-05-10 | 2017-05-10 | A kind of construction method of underground continuous wall |
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| CN107130585A true CN107130585A (en) | 2017-09-05 |
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| CN201710327074.XA Pending CN107130585A (en) | 2017-05-10 | 2017-05-10 | A kind of construction method of underground continuous wall |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104111A (en) * | 2017-12-29 | 2018-06-01 | 章胜南 | It is a kind of accurately to descend wall construction method |
| CN108149674A (en) * | 2018-02-06 | 2018-06-12 | 中铁十九局集团第七工程有限公司 | The construction method of continuous wall form and diaphragm wall |
| CN108149694A (en) * | 2017-12-29 | 2018-06-12 | 章胜南 | A kind of wall width based on underground wall body construction longitudinally splices subsidence process |
| CN110387874A (en) * | 2019-07-30 | 2019-10-29 | 杭州江润科技有限公司 | Diaphram wall and construction method |
| CN114482117A (en) * | 2021-12-10 | 2022-05-13 | 中交第一航务工程局有限公司 | Construction method of underwater large-volume concrete retaining wall |
| CN114960620A (en) * | 2021-02-26 | 2022-08-30 | 中能(厦门)智慧科技有限公司 | Construction method of underground continuous hollow wall |
| CN117684548A (en) * | 2024-02-01 | 2024-03-12 | 中国建筑第六工程局有限公司 | CT clamping groove permanent-face combined assembled type ground connection wall connection method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104111A (en) * | 2017-12-29 | 2018-06-01 | 章胜南 | It is a kind of accurately to descend wall construction method |
| CN108149694A (en) * | 2017-12-29 | 2018-06-12 | 章胜南 | A kind of wall width based on underground wall body construction longitudinally splices subsidence process |
| CN108104111B (en) * | 2017-12-29 | 2019-09-24 | 章胜南 | It is a kind of accurately to descend wall construction method |
| CN108149694B (en) * | 2017-12-29 | 2019-10-18 | 章胜南 | A kind of wall width based on underground wall body construction longitudinally splices subsidence process |
| CN108149674A (en) * | 2018-02-06 | 2018-06-12 | 中铁十九局集团第七工程有限公司 | The construction method of continuous wall form and diaphragm wall |
| CN108149674B (en) * | 2018-02-06 | 2023-06-16 | 中铁十九局集团广州工程有限公司 | Diaphragm wall template and diaphragm wall construction method |
| CN110387874A (en) * | 2019-07-30 | 2019-10-29 | 杭州江润科技有限公司 | Diaphram wall and construction method |
| CN114960620A (en) * | 2021-02-26 | 2022-08-30 | 中能(厦门)智慧科技有限公司 | Construction method of underground continuous hollow wall |
| CN114482117A (en) * | 2021-12-10 | 2022-05-13 | 中交第一航务工程局有限公司 | Construction method of underwater large-volume concrete retaining wall |
| CN114482117B (en) * | 2021-12-10 | 2024-01-26 | 中交第一航务工程局有限公司 | Construction method of underwater large-volume concrete retaining wall |
| CN117684548A (en) * | 2024-02-01 | 2024-03-12 | 中国建筑第六工程局有限公司 | CT clamping groove permanent-face combined assembled type ground connection wall connection method |
| CN117684548B (en) * | 2024-02-01 | 2024-04-16 | 中国建筑第六工程局有限公司 | CT clamping groove permanent-face combined assembled type ground connection wall connection method |
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Application publication date: 20170905 |