CN202830917U - Prefabricated press-in type underground diaphragm wall - Google Patents
Prefabricated press-in type underground diaphragm wall Download PDFInfo
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- CN202830917U CN202830917U CN 201220559685 CN201220559685U CN202830917U CN 202830917 U CN202830917 U CN 202830917U CN 201220559685 CN201220559685 CN 201220559685 CN 201220559685 U CN201220559685 U CN 201220559685U CN 202830917 U CN202830917 U CN 202830917U
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- connecting portion
- end connecting
- wall
- prefabricated
- diaphragm wall
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Abstract
The utility model relates to a prefabricated press-in type underground diaphragm wall which is formed by prefabricated corner wall bodies and a prefabricated straight wall body in a splice mode. The corner wall bodies and the straight wall body are prefabricated by using ferroconcrete. Two end portions of each corner wall body are respectively a first connecting portion and a second connecting portion. Two end portions of the straight wall body are respectively a third connecting portion and a fourth connecting portion. The first connecting portion, the second connecting portion, the third portion and the fourth portion are front end connecting portions or rear end connecting portions. When in butt joint, the front end connecting portions are butt jointed with the adjacent rear end connecting portions, a combination chamber is formed by a concave inner chamber of each front connecting portion and the concave inner chamber of each rear connecting portion in an enclosure mode, and the combination chamber is poured with concrete. Due to the fact that industrialized production is adopted for the corner wall bodies and the straight wall body, the prefabricated press-in type underground diaphragm wall has the advantages of being high in production efficiency, low in construction cost, simple in construction technology and short in construction period.
Description
Technical field
The utility model relates to a kind of prefabricated forced diaphragm wall.
Background technology
Current, mostly basement structure construction is before soil excavation, carries out the Sloping engineering construction greater than the basement structure volume.Support engineering is according to different geology independent design, and its engineering quantity is large, expense is high, long in time limit.The prop long-term storage that has can have a negative impact to environment.If with the in advance construction of the exterior enclosure wall of basement, just can save most of support engineering, existing drill hole cast-in-place filling diaphragm wall operation technique, because expense height, long in time limit, cost accounting is uneconomical and be not widely adopted.
Summary of the invention
The purpose of this utility model is to provide a kind of prefabricated forced diaphragm wall and using method thereof, and the angle body of wall of this diaphragm wall and stalk body adopt batch production production, and production efficiency is high, and cost is lower, and construction technology is simple, and the construction period is short.
The technical solution of the utility model is: a kind of prefabricated forced diaphragm wall, and described diaphragm wall is spliced by prefabricated angle body of wall and stalk body; Described angle body of wall and stalk body adopt reinforced concrete prefabricated, the both ends of described angle body of wall are respectively the first connecting portion and the second connecting portion, the both ends of described stalk body are the 3rd connecting portion and the 4th connecting portion, and described first, second, third, fourth connecting portion is front end connecting portion or rear end connecting portion; During docking, described front end connecting portion docks with adjacent rear end connecting portion, and the spill inner chamber of the spill inner chamber of front end connecting portion and rear end connecting portion surrounds a binding cavity, has built concrete in the described binding cavity.
Further, be shaped with in advance vertical guide on the both sides metope of described front end connecting portion, be provided with the first embedded bar in the spill inner chamber of described front end connecting portion; Be shaped with in advance the flute profile hook on the both sides metope of described rear end connecting portion, the other end of described flute profile hook is hooked on the vertical guide of the front end connecting portion that connects, and is provided with the second embedded bar in the spill inner chamber of described rear end connecting portion.
Further, described the first embedded bar is the embedded ribs of two row's yi word patterns, described the second embedded bar is ㄈ font embedded ribs, the spacing of the embedded ribs of described two row's yi word patterns is greater than the width of ㄈ font embedded ribs, in order to when the front end connecting portion docks with the rear end connecting portion, the first embedded bar and the second embedded bar can be interlaced, can guarantee the globality of diaphragm wall behind the concreting.
Further, described vertical guide and diaphragm wall are contour, and described flute profile hook vertically interval arranges or arranges continuously.
Further, described stalk body is solid wall or hollow wall, and the bottom surface of described angle body of wall and stalk body is straight angle bottom surface, bottom surface, obtuse angle, lower arcuate surface.
Further, the cross section of described solid wall is yi word pattern or T-shaped.
Further, offer vertical square opening or vertical Circular Tube With Hole on the described hollow wall.
The job practices of above-mentioned basement diaphragm wall, carry out according to the following steps:
(1) installs pile compacting equipment, carried out equipment calibration after in place;
(2) corner from basement begins construction, during the angle body of wall that namely with pile compacting equipment two ends is had a front end connecting portion is first suppressed and is buried, need when suppressing at two front end connecting portions of angle body of wall protective cover to be installed first, after the angle body of wall puts in place, protective cover is upwards extracted out;
(3) bearing of trend along two front end connecting portions of angle body of wall progressively is pressed into stalk body or angle body of wall, need when suppressing first with the rear end connecting portion of stalk body or angle body of wall and the front end connecting portion contraposition that is pressed into the diaphragm wall in the soil, accomplish that rear terminal area and the front end connecting portion of crimping diaphragm wall realize that button hangs, and at the front end connecting portion of stalk body or angle body of wall protective cover is installed, after stalk body or angle body of wall put in place, protective cover is upwards extracted out;
(4) last piece is pressed into stalk body in the soil or the both ends of angle body of wall are the rear end connecting portion;
(5) clean earth in the binding cavity, and in binding cavity concreting.
The profile of above-mentioned protective cover is the arc opening shape; its width is more than or equal to the thickness of diaphragm wall; its height is complementary with diaphragm wall; the both sides of the openend of described protective cover are provided with the clasp that cooperates for vertical guide on the front end connecting portion; described protective cover inboard is provided with the support sheet that offsets with the recess edge lug boss, guaranteeing stability and the rigidity of arc junction cover, described protective cover be provided with the hook hanging hole; in order to cooperating with the power hook, will wherein hang out in the soil.
The processing of binding cavity: 1. progressively put into from top to bottom and clean Grouting Pipe and dredging tube; 2. put the earth in the press water flushing binding cavity, extract simultaneously mud out; 3. above-mentioned steps is until behind the binding cavity bottom, the proposition dredging tube carries out slip casing by pressure, simultaneously until all fill up binding cavity.
The beneficial effects of the utility model are: the one, and short in subterranean wall simple and reliable and duration of construction technology of going ahead of the rest; The 2nd, subterranean wall at first forms, and earthwork excavated volume is reduced, and does not also need embankment, and engineering quantity greatly reduces; The 3rd, subterranean wall is extruding type, can increase the soil body between frictional force supporting, thereby can reduce the carrying of wall stake, reduce simultaneously the quantity of stake; The 4th, precast wall body should be produced in factory typing, has intensity height, characteristics that cost is low; The 5th, can adopt piling machinery, construction technology is simplified, and management efficiency is high; The 6th, the noresidue prop, the duration is short, and pump-out is few, useful protection of the environment; The 7th, large section substitutes supporting, and above each point use construction costs is low, and social benefit is good.
Description of drawings
Fig. 1 is the partial top view of the diaphragm wall among the embodiment.
Fig. 2 is front end connecting portion plan structure schematic diagram when docking with the rear end connecting portion.
Fig. 3 is front end connecting portion plan structure schematic diagram when separating with the rear end connecting portion.
Fig. 4 is the syndeton schematic diagram of protective cover and front end connecting portion.
Fig. 5 is that A among Fig. 4 is to view.
Fig. 6 is the diaphragm wall side-looking structural representation of bottom surface, obtuse angle.
Fig. 7 is the diaphragm wall side-looking structural representation of lower arcuate surface.
Fig. 8 is the plan structure schematic diagram with the diaphragm wall of vertical square opening.
Fig. 9 is the plan structure schematic diagram with the diaphragm wall of vertical Circular Tube With Hole.
Figure 10 is the plan structure schematic diagram of T-shaped diaphragm wall.
Label declaration: 1-angle body of wall 1.1-the first connecting portion 1.2-the second connecting portion 2-stalk body 2.1-the 3rd connecting portion 2.2-the 4th connecting portion 3-binding cavity 4-vertical guide 5-the first embedded bar 6-flute profile hook 7-the second embedded bar 8-protective cover 9-clasp 10-support sheet 11-hanging hole 12-cleans Grouting Pipe 13-dredging tube 14-dowel 15-inclined-plane.
The specific embodiment
By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, below in conjunction with embodiment and cooperate that accompanying drawing is detailed to give explanation.
Shown in Fig. 1,2 and 3, a kind of prefabricated forced diaphragm wall, described diaphragm wall is spliced by prefabricated angle body of wall 1 and stalk body 2; Described angle body of wall 1 and stalk body 2 adopt reinforced concrete prefabricated, the both ends of described angle body of wall 1 are respectively the first connecting portion 1.1 and the second connecting portion 1.2, the both ends of described stalk body 2 are the 3rd connecting portion 2.1 and the 4th connecting portion 2.2, and described first, second, third, fourth connecting portion is front end connecting portion or rear end connecting portion; During docking, described front end connecting portion docks with adjacent rear end connecting portion, and the spill inner chamber of the spill inner chamber of front end connecting portion and rear end connecting portion surrounds a binding cavity 3, has built concrete in the described binding cavity 3.Also be provided with in the spill inner chamber of described front end connecting portion and the spill inner chamber of rear end connecting portion for the inclined-plane 15 of strengthening structural rigidity.
Be shaped with in advance vertical guide 4 on the both sides metope of above-mentioned front end connecting portion, be provided with the first embedded bar 5 in the spill inner chamber of described front end connecting portion; Be shaped with in advance flute profile hook 6 on the both sides metope of described rear end connecting portion, the dowel 14 that described vertical guide 4 is connected with the flute profile hook is all in advance on angle body of wall 1 and connection end that the stalk body is connected, the other end of described flute profile hook 6 is hooked on the vertical guide 4 of the front end connecting portion that connects, and is provided with the second embedded bar 7 in the spill inner chamber of described rear end connecting portion.Described the first embedded bar 5 is the embedded ribs of two row's yi word patterns, described the second embedded bar 7 is ㄈ font embedded ribs, the spacing of the embedded ribs of described two row's yi word patterns is greater than the width of ㄈ font embedded ribs, in order to when the front end connecting portion docks with the rear end connecting portion, the first embedded bar and the second embedded bar can be interlaced, can guarantee the globality of diaphragm wall behind the concreting.Described vertical guide 4 is contour with diaphragm wall, and described flute profile hook 6 vertically interval arranges.
Above-mentioned stalk body is solid wall or hollow wall, and the bottom surface of described angle body of wall and stalk body is straight angle bottom surface, bottom surface, obtuse angle (shown in Figure 6), lower arcuate surface (shown in Figure 7).The cross section of described solid wall is yi word pattern (shown in Figure 1) or T-shaped (shown in Figure 10).Offer vertical square opening (shown in Figure 8) or vertical Circular Tube With Hole (shown in Figure 9) on the described hollow wall.
The job practices of above-mentioned basement diaphragm wall, carry out according to the following steps:
(1) installs pile compacting equipment, carried out equipment calibration after in place;
(2) corner from basement begins construction, during the angle body of wall that namely with pile compacting equipment two ends is had a front end connecting portion is first suppressed and is buried, need when suppressing at two front end connecting portions of angle body of wall protective cover to be installed first, after the angle body of wall puts in place, protective cover is upwards extracted out;
(3) bearing of trend along two front end connecting portions of angle body of wall progressively is pressed into stalk body or angle body of wall, need when suppressing first with the rear end connecting portion of stalk body or angle body of wall and the front end connecting portion contraposition that is pressed into the diaphragm wall in the soil, accomplish that rear terminal area and the front end connecting portion of crimping diaphragm wall realize that button hangs, and at the front end connecting portion of stalk body or angle body of wall protective cover is installed, after stalk body or angle body of wall put in place, protective cover is upwards extracted out;
(4) last piece is pressed into stalk body in the soil or the both ends of angle body of wall are the rear end connecting portion;
(5) clean earth in the binding cavity, and in binding cavity concreting.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model manual and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (7)
1. a prefabricated forced diaphragm wall is characterized in that, described diaphragm wall is spliced by prefabricated angle body of wall and stalk body; The both ends of described angle body of wall are respectively the first connecting portion and the second connecting portion, and the both ends of described stalk body are the 3rd connecting portion and the 4th connecting portion, and described first, second, third, fourth connecting portion is front end connecting portion or rear end connecting portion; During docking, described front end connecting portion docks with adjacent rear end connecting portion, and the spill inner chamber of the spill inner chamber of front end connecting portion and rear end connecting portion surrounds a binding cavity, has built concrete in the described binding cavity.
2. prefabricated forced diaphragm wall according to claim 1 is characterized in that, is shaped with in advance vertical guide on the both sides metope of described front end connecting portion, is provided with the first embedded bar in the spill inner chamber of described front end connecting portion; Be shaped with in advance the flute profile hook on the both sides metope of described rear end connecting portion, the other end of described flute profile hook is hooked on the vertical guide of the front end connecting portion that connects, and is provided with the second embedded bar in the spill inner chamber of described rear end connecting portion.
3. prefabricated forced diaphragm wall according to claim 2, it is characterized in that, described the first embedded bar is the embedded ribs of two row's yi word patterns, and described the second embedded bar is ㄈ font embedded ribs, and the spacing of the embedded ribs of described two row's yi word patterns is greater than the width of ㄈ font embedded ribs.
4. prefabricated forced diaphragm wall according to claim 2 is characterized in that described vertical guide and diaphragm wall are contour, and described flute profile hook vertically interval arranges or arranges continuously.
5. prefabricated forced diaphragm wall according to claim 1 is characterized in that, described stalk body is solid wall or hollow wall, and the bottom surface of described angle body of wall and stalk body is straight angle bottom surface, bottom surface, obtuse angle, lower arcuate surface.
6. prefabricated forced diaphragm wall according to claim 5 is characterized in that, the cross section of described solid wall is yi word pattern or T-shaped.
7. prefabricated forced diaphragm wall according to claim 5 is characterized in that, offers vertical square opening or vertical Circular Tube With Hole on the described hollow wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220559685 CN202830917U (en) | 2012-10-30 | 2012-10-30 | Prefabricated press-in type underground diaphragm wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220559685 CN202830917U (en) | 2012-10-30 | 2012-10-30 | Prefabricated press-in type underground diaphragm wall |
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| Publication Number | Publication Date |
|---|---|
| CN202830917U true CN202830917U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220559685 Expired - Fee Related CN202830917U (en) | 2012-10-30 | 2012-10-30 | Prefabricated press-in type underground diaphragm wall |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469801A (en) * | 2013-09-03 | 2013-12-25 | 上海建科工程咨询有限公司 | Method for constructing foundation pit enclosure structure on basis of prefabricated ground walls |
| CN106854874A (en) * | 2017-01-18 | 2017-06-16 | 俞晓东 | A kind of underground combination and the precast concrete pile for the underground combination |
-
2012
- 2012-10-30 CN CN 201220559685 patent/CN202830917U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469801A (en) * | 2013-09-03 | 2013-12-25 | 上海建科工程咨询有限公司 | Method for constructing foundation pit enclosure structure on basis of prefabricated ground walls |
| CN106854874A (en) * | 2017-01-18 | 2017-06-16 | 俞晓东 | A kind of underground combination and the precast concrete pile for the underground combination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20141030 |
|
| EXPY | Termination of patent right or utility model |