CN210395315U - Underground continuous wall structure for water-rich sand layer deep foundation pit support - Google Patents
Underground continuous wall structure for water-rich sand layer deep foundation pit support Download PDFInfo
- Publication number
- CN210395315U CN210395315U CN201921054502.7U CN201921054502U CN210395315U CN 210395315 U CN210395315 U CN 210395315U CN 201921054502 U CN201921054502 U CN 201921054502U CN 210395315 U CN210395315 U CN 210395315U
- Authority
- CN
- China
- Prior art keywords
- plate
- reinforcement cage
- continuous wall
- pterygoid lamina
- underground continuous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model relates to a rich water sand bed deep basal pit is protected and is used secret continuous wall structure, including skeleton and concrete, the skeleton includes the steel reinforcement cage and sets up in the joint of steel reinforcement cage tip, connect including the baffle that is on a parallel with the steel reinforcement cage tip and respectively the rigid coupling in the pterygoid lamina in the baffle both sides and can butt in the two outsides of steel reinforcement cage, adjacent the homonymy pterygoid lamina outside of joint is provided with the spacing block, the pterygoid lamina outside still all is provided with the clamp plate, the outside that the baffle corresponds the pterygoid lamina still all is provided with the backup pad, thereby be provided with in the backup pad and promote the clamp plate and tend towards the closing device of pterygoid. The utility model discloses have the effect that can reduce the concatenation seam risk of leaking between adjacent underground continuous wall.
Description
Technical Field
The utility model belongs to the technical field of the technique of building underground construction and specifically relates to an underground continuous wall is related to.
Background
Underground continuous walls are foundation works. A trenching machine is adopted on the ground, a long and narrow deep groove is excavated along the peripheral axis of a deep excavation project under the condition of slurry wall protection, after the groove is cleared, a reinforcement cage is hung in the groove, then underwater concrete is poured by a conduit method to build a unit groove section, and the process is carried out section by section, and a continuous reinforced concrete wall is built underground to serve as a structure for intercepting water, preventing seepage, bearing and retaining water. The underground continuous wall is suitable for pump stations and water pools; building foundation pits; underground oil depots and warehouses; municipal pipe ditches and culverts; vertical shafts for shield and other projects; various deep foundations and pile foundations; docks, revetments and dry docks; water conservancy and hydropower, open-pit mine and tailing dam (pond) and impervious wall of the environmental protection project; underground structures (e.g., underground railways, underground roadways, underground parking lots, underground streets, stores, underground substations, etc.), and the like.
Because the underground continuous wall is arranged below the ground and the depth of the underground continuous wall reaches dozens of meters, even exceeds 100 meters, the deeper the underground continuous wall is, the more affected by the leakage of underground water. Because the underground continuous wall is constructed section by section, a joint is easily formed at the joint of two adjacent sections of concrete, and water leakage is caused. The reason for this is that a certain gap is left between the joint and the groove wall for conveniently placing the joint, and when the reinforcement cage is placed under the joint and poured, the concrete in a fluid form can bypass the joint and flow to the adjacent other section of the reinforcement cage. When the next section is poured, the newly poured concrete and the concrete which flows around before cannot be integrated, the two concretes can form a joint due to different solidification time, and the joint becomes a main reason of water leakage of the underground continuous wall.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a deep basal pit of rich water sand bed is enclosed and is used underground continuous wall structure has the advantage that can reduce the concatenation seam risk of leaking between adjacent underground continuous wall.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a rich water sand bed deep basal pit is protected and is used underground continuous wall structure, includes skeleton and concrete, the skeleton includes steel reinforcement cage and sets up in the joint of steel reinforcement cage tip, connect including the baffle that is on a parallel with the steel reinforcement cage tip and respectively the rigid coupling in the pterygoid lamina in the baffle both sides and can the butt in the two outsides of steel reinforcement cage, adjacent the homonymy pterygoid lamina outside of joint is provided with the spacing block, the pterygoid lamina outside still all is provided with the clamp plate, the outside that the baffle corresponds the pterygoid lamina still all is provided with the backup pad, thereby be provided with in the backup pad and promote the clamp plate and tend to the motion of pter.
Through adopting above-mentioned technical scheme, the during operation, accomplish the back with steel reinforcement cage and joint concatenation, arrange the soil engineering in the pterygoid lamina outside of the adjacent joint in two steel reinforcement cage both sides, rethread compression fittings drives the clamp plate and compresses tightly the spacing block, can effectively prevent to produce when each section steel reinforcement cage concreting and flow around, prevent that the concrete that this section was pour from flowing to adjacent another section steel reinforcement cage department around, just also can not make the concrete contact of adjacent steel reinforcement cage pouring respectively, just can not produce the seam yet, thereby solve the problem of leaking.
The utility model discloses further set up to: the pressing device comprises a plurality of pressing bolts which are connected with the supporting plate in a threaded mode, and the end portions of the pressing bolts can be abutted to one side, far away from the wing plate, of the pressing plate.
Through adopting above-mentioned technical scheme, the during operation rotates clamp bolt and can drive the direction motion of clamp plate trend pterygoid lamina to compress tightly the spacing block through the clamp plate, convenient to use, easy operation.
The utility model discloses further set up to: the pressing plate is far away from one side of pterygoid lamina and is seted up inclined plane, form the upper end opening between backup pad and the pressing plate and be greater than lower extreme open-ended chute, closing device includes vertical inserting locates in the chute and can promote the wedge picture peg of pressing plate trend pterygoid lamina direction motion.
Through adopting above-mentioned technical scheme, during the use, insert through the chute between clamp plate and backup pad and establish the wedge picture peg, can drive the clamp plate along with wedge picture peg downstream and tend the pterygoid lamina direction motion to compress tightly the spacing block in the pterygoid lamina outside through the clamp plate, convenient to use.
The utility model discloses further set up to: the wedge-shaped inserting plate is characterized in that a positioning hole is formed in the upper end of the wedge-shaped inserting plate, and the upper end of the supporting plate is in threaded connection with a positioning bolt, the end portion of the positioning bolt can be inserted into the positioning hole.
By adopting the technical scheme, after the wedge-shaped inserting plate is inserted into the chute, the positioning bolt can be screwed down, so that the end part of the positioning bolt is inserted into the positioning hole of the wedge-shaped inserting plate, thereby completing the positioning of the wedge-shaped inserting plate in the chute and avoiding the wedge-shaped inserting plate from loosening.
The utility model discloses further set up to: one side of the supporting plate, which is far away from the partition plate, is fixedly connected with a baffle plate parallel to the partition plate in the direction towards the wing plate, one side of the pressing plate is abutted to the partition plate, and the other side of the pressing plate is abutted to the baffle plate.
Through adopting above-mentioned technical scheme, can carry on spacingly to the clamp plate through the baffle and the baffle that adopt to fix a position the clamp plate and be convenient for the clamp plate to move towards pterygoid lamina direction.
The utility model discloses further set up to: the isolation sheet is made of geotextile.
By adopting the technical scheme, the geotextile adopted is the isolation sheet, so that the geotextile is convenient to carry, low in cost and simple to operate.
The utility model discloses further set up to: the spacing pieces are made of steel plates.
Through adopting above-mentioned technical scheme, the steel sheet that adopts is the spacing block, keeps apart effectually, and intensity is high, long service life.
The utility model discloses further set up to: the wing plate is bolted to the reinforcement cage.
By adopting the technical scheme: the wing plate bolt is connected to the steel reinforcement cage, so that the joint can be firmly connected with the steel reinforcement plate.
To sum up, the utility model discloses a beneficial technological effect does:
1. when the joint is in work, after the reinforcement cages and the joints are spliced, the earthwork is arranged on the outer sides of wing plates of adjacent joints on two sides of the two reinforcement cages, and the pressing plates are driven by the pressing devices to press the spacing pieces tightly, so that the streaming can be effectively prevented from being generated when concrete is poured in each section of reinforcement cage, the concrete poured in the section is prevented from streaming to the position of the other adjacent section of reinforcement cage, the concrete respectively poured in the adjacent reinforcement cages can not be contacted, no seam can be generated, and the water leakage problem is solved;
2. when the pressure plate is in work, the pressure bolt can be rotated to drive the pressure plate to move towards the direction of the wing plate, so that the pressure plate is used for compressing the spacing sheet, the use is convenient, and the operation is simple;
3. the baffle and the partition plate can limit the pressing plate, so that the pressing plate is positioned and moves towards the wing plate direction.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic view of a wedge-shaped insert plate according to a second embodiment of the present invention.
Fig. 4 is a schematic view of a bevel structure according to a second embodiment of the present invention.
In the figure, 1, a skeleton; 2. concrete; 3. a reinforcement cage; 4. a joint; 41. a partition plate; 42. a wing plate; 43. pressing a plate; 431. a bevel; 44. a support plate; 45. a baffle plate; 46. a hold-down bolt; 47. a wedge-shaped inserting plate; 471. positioning holes; 48. positioning the bolt; 5. and a spacer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Refer to fig. 1, do the utility model discloses a deep foundation ditch of rich water sand bed is enclosed and is used underground continuous wall structure, including skeleton 1 and concrete 2, skeleton 1 includes steel reinforcement cage 3 and sets up in the joint 4 of 3 tip of steel reinforcement cage
Referring to fig. 2, the joint 4 includes a partition plate 41 vertically disposed at an end of the reinforcement cage 3, the height of the partition plate 41 is the same as the height of the reinforcement cage 3, a vertical surface where the partition plate 41 is located is perpendicular to a vertical surface where the length direction of the reinforcement cage 3 is located, wing plates 42 are vertically fixedly connected to positions of two sides of the partition plate 41 corresponding to two sides of the reinforcement cage 3, the wing plates 42 are perpendicular to the partition plate 41, the inner sides of the wing plates 42 can abut against the outer side of the reinforcement cage 3, and the wing plates 42 are connected with the reinforcement cage 3 through bolts.
The outer sides of the wing plates 42 corresponding to the two adjacent joints 4 are provided with the spacers 5, the spacers 5 can be made of geotextile or steel plates, the outer sides of the wing plates 42 are also vertically provided with pressing plates 43 capable of pressing the spacers 5, the pressing plates 43 are parallel to the wing plates 42, supporting plates 44 are further fixedly connected to the positions of the partition plates 41 corresponding to the outer sides of the pressing plates 43, the supporting plates 44 are parallel to the wing plates 42, one sides of the supporting plates 44 far away from the partition plates 41 are also towards the baffle plates 45 fixedly connected to the direction of the wing plates 42, the baffle plates 45 are parallel to the partition plates 41, one sides of the baffle plates 45 and the partition plates 41 close to each other can be abutted to the pressing plates 43, and pressing devices. The during operation, accomplish the back with steel reinforcement cage 3 and the concatenation of joint 4, arrange the geotechnique in the pterygoid lamina 42 outside of the adjacent joint 4 in two steel reinforcement cage 3 both sides, rethread compression fittings drives clamp plate 43 and compresses tightly spacing block 5, can effectively prevent to produce the stream when concrete 2 is pour to each section steel reinforcement cage 3, prevent that concrete 2 that this section was pour from flowing to adjacent another section steel reinforcement cage 3 department, also can not make the concrete 2 contacts of adjacent steel reinforcement cage 3 pouring respectively, just can not produce the seam yet, thereby solve the problem of leaking.
The pressing device comprises a plurality of pressing bolts 46 which are connected with the supporting plate 44 in a threaded mode, the axes of the pressing bolts 46 are horizontally arranged, and the end portions of the pressing bolts 46 can abut against one side, away from the wing plate 42, of the pressing plate 43. During operation rotates clamp bolt 46, can make clamp bolt 46's tip tend to clamp plate 43 direction motion to can promote clamp plate 43 to tend the direction motion of pterygoid lamina 42, and then can press from both sides tight spacing piece 5 through clamp plate 43 and general mutually supporting, in addition, can carry on spacingly to clamp plate 43 through baffle 45 and the baffle 41 of adoption, thereby fix a position clamp plate 43 and be convenient for clamp plate 43 to tend pterygoid lamina 42 direction motion.
The implementation principle of the embodiment is as follows: the during operation, accomplish the back with steel reinforcement cage 3 and the concatenation of joint 4, arrange the geotechnique in the pterygoid lamina 42 outside of the adjacent joint 4 in two steel reinforcement cage 3 both sides, rotate clamp bolt 46, can make clamp bolt 46's tip tend to clamp plate 43 direction motion, thereby can promote clamp plate 43 and tend to pterygoid lamina 42's direction motion, and then can press from both sides tight spacing block 5 through clamp plate 43 and general mutually supporting, can effectively prevent to produce the stream when concrete 2 is pour to each section steel reinforcement cage 3, prevent that concrete 2 streams that this section was pour to another adjacent section steel reinforcement cage 3 department, just also can not make concrete 2 contacts that adjacent steel reinforcement cage 3 was poured respectively, just can not produce the seam yet, thereby solve the problem of leaking.
Example two: referring to fig. 3 and 4, an underground diaphragm wall structure for water-rich sand deep foundation pit support is different from the first embodiment in that: wedge-shaped insert plates 47 and positioning bolts 48 are used instead of the hold-down bolts 46 of the first embodiment.
The inclined plane 431 is formed in one side, close to the supporting plate 44, of the pressing plate 43, a chute is formed between the inclined plane 431 of the pressing plate 43 and the supporting plate 44, the upper end opening of the chute is larger than the lower end opening of the chute, a wedge-shaped inserting plate 47 capable of being matched with the chute is vertically inserted into the chute, and the pressing plate 43 can be pushed to move towards the direction of the wing plate 42 along with the downward movement of the wedge-shaped inserting plate 47, so that the spacing pieces 5 can be pressed through the. A positioning hole 471 is horizontally formed in one side, close to the supporting plate 44, of the upper end of the wedge-shaped inserting plate 47, a positioning bolt 48 with a horizontally arranged axis is in threaded connection with the upper end of the supporting plate 44, and the end portion of the positioning bolt 48 can be inserted into the positioning hole 471 by screwing the positioning bolt 48.
The implementation of this embodiment is as follows: when the positioning device is used, the wedge-shaped inserting plate 47 is inserted into the chute between the pressing plate 43 and the supporting plate 44, the pressing plate 43 is driven to move towards the direction of the wing plate 42 along with the downward movement of the wedge-shaped inserting plate 47, so that the spacing pieces 5 on the outer side of the wing plate 42 are pressed through the pressing plate 43, the positioning bolt 48 can be screwed after the wedge-shaped inserting plate 47 is inserted into the chute, the end part of the positioning bolt 48 is inserted into the positioning hole 471 of the wedge-shaped inserting plate 47, the positioning of the wedge-shaped inserting plate 47 in the chute is finished, and the wedge-shaped inserting plate.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a rich water sand bed underground continuous wall structure for deep foundation pit is protected, includes skeleton (1) and concrete (2), its characterized in that: skeleton (1) includes steel reinforcement cage (3) and sets up in joint (4) of steel reinforcement cage (3) tip, connect (4) including being on a parallel with baffle (41) of steel reinforcement cage (3) tip and respectively rigid coupling in baffle (41) both sides and can butt in pterygoid lamina (42) in the two outsides of steel reinforcement cage (3), adjacent the homonymy pterygoid lamina (42) outside that connects (4) is provided with spacing block (5), pterygoid lamina (42) outside still all is provided with clamp plate (43), thereby the outside that baffle (41) correspond pterygoid lamina (42) still all is provided with backup pad (44), thereby be provided with on backup pad (44) and promote clamp plate (43) and tend to pterygoid lamina (42) direction motion and compress tightly the closing device of pterygoid lamina (42) outside spacing block (5).
2. The underground continuous wall structure for the water-rich sand layer deep foundation pit support according to claim 1, characterized in that: the pressing device comprises a plurality of pressing bolts (46) which are connected to the supporting plate (44) in a threaded mode, and the end portions of the pressing bolts can abut against one side, far away from the wing plate (42), of the pressing plate (43).
3. The underground continuous wall structure for the water-rich sand layer deep foundation pit support according to claim 1, characterized in that: inclined plane (431) are seted up to one side that pterygoid lamina (42) were kept away from in clamp plate (43), form the upper end opening between backup pad (44) and clamp plate (43) and be greater than lower extreme open-ended chute, closing device includes vertical inserting and locates in the chute and can promote wedge picture peg (47) that clamp plate (43) trend pterygoid lamina (42) direction moved.
4. The underground continuous wall structure for the water-rich sand layer deep foundation pit support according to claim 3, wherein: the locating hole (471) has been seted up to the upper end of wedge picture peg (47), the upper end threaded connection of backup pad (44) has the tip to insert and locates positioning bolt (48) in locating hole (471).
5. The underground continuous wall structure for the water-rich sand layer deep foundation pit support according to claim 1, characterized in that: one side of the supporting plate (44) far away from the partition plate (41) is fixedly connected with a baffle plate (45) parallel to the partition plate (41) in the direction of the wing plate (42), and one side of the pressing plate (43) is abutted against the partition plate (41) and the other side thereof is abutted against the baffle plate (45).
6. The underground continuous wall structure for the water-rich sand layer deep foundation pit support according to claim 1, characterized in that: the isolation sheet (5) is made of geotextile.
7. The underground continuous wall structure for the water-rich sand layer deep foundation pit support according to claim 1, characterized in that: the isolation sheet (5) is made of a steel plate.
8. The underground continuous wall structure for the water-rich sand layer deep foundation pit support according to claim 1, characterized in that: the wing plate (42) is bolted to the reinforcement cage (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054502.7U CN210395315U (en) | 2019-07-06 | 2019-07-06 | Underground continuous wall structure for water-rich sand layer deep foundation pit support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054502.7U CN210395315U (en) | 2019-07-06 | 2019-07-06 | Underground continuous wall structure for water-rich sand layer deep foundation pit support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210395315U true CN210395315U (en) | 2020-04-24 |
Family
ID=70353112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921054502.7U Active CN210395315U (en) | 2019-07-06 | 2019-07-06 | Underground continuous wall structure for water-rich sand layer deep foundation pit support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210395315U (en) |
-
2019
- 2019-07-06 CN CN201921054502.7U patent/CN210395315U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101718099B (en) | Automatic wall-forming device and method of static pressure continuous concrete wall | |
| CN212896422U (en) | Deep foundation pit water intercepting and draining device | |
| CN110004991B (en) | Underground structure anti-floating system based on convex wing foot plate and construction method | |
| CN212835461U (en) | A geotechnique wash-out pipe for excavation supporting | |
| CN103967015A (en) | Water-stopping deep foundation pit excavation method and structure thereof | |
| CN113216271A (en) | Insertion type vertical film laying method | |
| CN210395315U (en) | Underground continuous wall structure for water-rich sand layer deep foundation pit support | |
| CN111636483A (en) | Waterproof device for reverse construction concrete structure gap and construction method | |
| CN217758400U (en) | Backfill structure of small-bore steel bellows culvert | |
| CN217399744U (en) | Basement side wall sluicing decompression structure | |
| CN104790430B (en) | Construction method of underground continuous wall | |
| CN204690730U (en) | Diaphragm wall skeleton | |
| CN204691255U (en) | Diaphragm wall | |
| CN211946573U (en) | Become permeability funnel type permeable reactive barrier repair system | |
| CN202247924U (en) | Assembled steel structure open caisson in pipe jacking construction | |
| CN112982278A (en) | Construction method for large-diameter pipe jacking to penetrate through river levee | |
| CN104790380A (en) | Underground diaphragm wall framework | |
| CN108532634B (en) | Supporting anti-floating device of comprehensive pipe rack | |
| CN104912057A (en) | Novel underground diaphragm wall construction method | |
| CN112627231A (en) | Construction device for deep guide wall of soft soil | |
| CN204690733U (en) | Novel underground diaphragm wall skeleton | |
| CN204690732U (en) | Novel underground diaphragm wall | |
| CN111153529A (en) | Variable permeability funnel type permeable reactive barrier repairing system and construction method | |
| CN204690729U (en) | For the skeleton of diaphragm wall | |
| CN211257024U (en) | Platform is pour temporarily in steel sheet pile cofferdam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |