CN210163918U - Cut-off wall channel excavation structure - Google Patents
Cut-off wall channel excavation structure Download PDFInfo
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- CN210163918U CN210163918U CN201920574900.5U CN201920574900U CN210163918U CN 210163918 U CN210163918 U CN 210163918U CN 201920574900 U CN201920574900 U CN 201920574900U CN 210163918 U CN210163918 U CN 210163918U
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Abstract
The utility model provides a cut-off wall slot excavation structure, wherein a bottom plate laying groove and a guide wall laying groove are excavated in a foundation soil layer, and a plate bottom leveling layer and a pressure-bearing bottom plate are sequentially arranged in the bottom plate laying groove; placing the assembled guide wall on the pressure-bearing bottom plate, and arranging a light backfill body in a gap between the assembled guide wall and the guide wall arrangement groove; after the channel is excavated, hanging beam supports are arranged in the light backfill body, and an orifice hanging beam is arranged between the opposite hanging beam supports; a longitudinal connecting beam is arranged on the lower surface of the orifice hanging beam and is connected with the bag connecting rod; the bottom end of the bag connecting rod is provided with a supporting bag, and the transverse rib plate is tightly connected with the side wall of the channel by applying air pressure or water pressure to the supporting bag. The utility model discloses wall installation school position is convenient is led to the assembled, and is connected intensity height with the foundation soil layer, can effectively promote the wholeness of site operation efficiency and construction structures.
Description
Technical Field
The utility model relates to a civil engineering field, in particular to can improve site operation quality and efficiency, reduce the site operation degree of difficulty, promote the cut-off wall channel excavation structure of channel lateral wall stability, be applicable to prevention of seepage construction engineering.
Background
The concrete impervious wall has the characteristics of strong deformation adaptability and unique advantages in the aspect of seepage resistance, and is widely applied to hydraulic engineering construction and reinforcement construction at present. When the concrete anti-seepage wall is constructed, the quality control mainly focuses on the aspects of guide wall construction quality, grooving condition, groove wall stability control, concrete pouring quality, setting and pulling out of a locking pipe and the like. In order to ensure the construction quality of the impervious wall, the excavation quality of the channel of the impervious wall is particularly important.
A diaphragm wall parallel drilling method grooving process in the prior art comprises the following steps: the method comprises the steps of drilling preparation, parallel drilling and final hole drilling, wherein the parallel drilling is to perform main hole drilling construction firstly, when a main hole is deeper than an auxiliary hole by 10m, clay is backfilled into the main hole, the top surface of the clay is higher than the top surface of a guide groove by 0.5m, then the auxiliary hole drilling construction is performed, when the height difference between the auxiliary hole depth and a small wall is 3-5 m, the small wall is excavated and followed, and the main hole, the auxiliary hole and the small wall are ensured to be vertical to each other in the excavation and drilling; the final hole is formed by parallel drilling groove sections. The process adopts a main hole, an auxiliary hole and a small wall respectively and circularly excavating and drilling process, and combines repeated and circular in-hole slurry preparation and a method for extruding and filling cracks such as slurry leakage channels and the like to greatly improve the grooving efficiency and quality of the impervious wall, but has improvements in the aspects of reducing the positioning difficulty of the guide wall, improving the integrity and the connection strength of the structure and the like.
In view of this, in order to solve the existing engineering problems, it is urgent to provide an impervious wall trench excavation structure which is convenient for installing and correcting a guide wall, has high connection strength with a foundation soil layer, and can effectively improve the field construction efficiency and the integrity of a construction structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lead wall installation position correction convenience, it is high with foundation soil layer joint strength, not only can improve site operation quality and efficiency, can reduce the site operation degree of difficulty moreover, can also promote the cut-off wall channel excavation structure of channel lateral wall stability.
In order to realize above arbitrary utility model purpose, the utility model provides a cut-off wall slot way excavation structure sets up on the foundation soil layer, wherein digs the bottom plate of establishing the symmetry both sides in the foundation soil layer and lays the groove and lead the wall and lay the groove, include: the prefabricated guide wall comprises an assembled guide wall, a plate bottom leveling layer, a pressure-bearing bottom plate, a lateral buttress, a light backfilling body, a hanging beam strut, an orifice hanging beam, a longitudinal connecting beam, a bag connecting rod, a vertical rib plate and a transverse rib plate; the bottom leveling layer and the pressure-bearing bottom plate are sequentially arranged in the bottom plate arrangement groove, the assembly type guide wall is arranged on the pressure-bearing bottom plate, the lateral buttress is arranged on the outer side of the assembly type guide wall, and the light backfill body is arranged in a gap between the assembly type guide wall and the guide wall arrangement groove; a channel is excavated between the assembled guide walls on two sides, hanging beam supports are respectively arranged in the light backfilling bodies on two sides, an orifice hanging beam is arranged between the hanging beam supports on two opposite sides, a longitudinal connecting beam is arranged on the lower surface of the orifice hanging beam and connected with a bag connecting rod, a supporting bag is arranged at the bottom end of the bag connecting rod, a vertical rib plate and a transverse rib plate are arranged on the outer side of the supporting bag, and the supporting bag is arranged in the channel.
In some embodiments, the bladder link is disposed perpendicular to the port suspension beam, the vertical ribs are disposed on both sides of the support bladder, and the vertical ribs are vertically welded to the transverse ribs.
In some embodiments, a pressure control tube is attached to the support bladder, and the support bladder is made of a rubber material.
In some embodiments, an elastic connector is provided between the adjoining transverse ribs.
In some embodiments, the assembled guide wall is internally provided with a lacing bar through hole, two sides of the assembled guide wall are respectively provided with a connecting convex tenon and a connecting groove along the height direction, and a joint sealing body is distributed in the connecting groove.
In some embodiments, the connecting tongue and the connecting groove each have an isosceles trapezoid cross-section.
In some embodiments, the cross-section of the guide wall laying slot is in the shape of an isosceles trapezoid.
In some embodiments, the lateral piers are fixed to the foundation layer through the bottom screed and the bearing bottom plate.
In some embodiments, the hanging beam supports on two sides are symmetrically and vertically arranged, and the orifice hanging beam is perpendicular to the hanging beam supports.
In some embodiments, the outlet end of the pressure control tube is disposed within the pressure control tube, and the inlet end of the pressure control tube is connected to an external pressurization device.
Compared with the prior art, the utility model has the characteristics of it is following:
(1) the utility model provides a wall installation school position is led to cut-off wall channel excavation structure's assembled convenience, is connected intensity height with the foundation soil layer, can effectively promote the wholeness of on-the-spot efficiency of construction and construction structures.
(2) The utility model provides a concrete cut-off wall channel excavation structure's interim bearing structure of cut-off wall channel is on-the-spot to lay easily to can be according to the stability requirement, the pressure of dynamic control support bag has realized the real time control of cell wall stability.
(3) The utility model provides a cut-off wall channel excavation structure's support bag internal pressure control is convenient, and is high with channel lateral wall joint strength, can satisfy the requirement that the scene supported fast.
Drawings
Fig. 1 is a schematic diagram of a cut-off wall channel excavation structure according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure view of an assembled guide wall according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a structure supporting a capsular bag according to an embodiment of the present invention.
In the figure: 1, assembling type guide walls; 2-supporting the capsular bag; 3-a foundation soil layer; 4-laying grooves on the bottom plate; 5-arranging a groove on the guide wall; 6-leveling layer of the plate bottom; 7-a pressure-bearing bottom plate; 8-lateral buttress; 9-the lacing wire penetrates through the hole; 10-light backfill body; 11-hanging beam supports; 12-hanging the beam at the hole opening; 13-longitudinal coupling beam; 14-bladder link; 15-vertical rib plates; 16-a transverse rib; 17-a pressure control tube; 18-a channel; 19-connecting convex falcon; 20-connecting the grooves; 21-seam closures; 22-an elastic linker.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Fig. 1 is a schematic diagram illustrating an excavation structure of a channel of an anti-seepage wall according to an embodiment of the present invention, and fig. 2 is a schematic diagram illustrating a cross-sectional structure of the fabricated guide wall of fig. 1; fig. 3 is a cross-sectional view of the structure of the supporting bladder of fig. 1.
As shown in fig. 1-3, cut-off wall slot excavation structure sets up on foundation soil layer (3), wherein dig in foundation soil layer (3) and establish the bottom plate of symmetry both sides and lay groove (4) and lead the wall and lay groove (5), and the bottom plate is laid groove (4) and is arranged in and lead the wall and lay groove (5) bottom side, includes: the prefabricated guide wall comprises an assembled guide wall (1), a slab bottom leveling layer (6), a pressure-bearing bottom plate (7), lateral buttresses (8), a light backfill body (10), hanging beam supports (11), an orifice hanging beam (12), a longitudinal connecting beam (13), a bag connecting rod (14), a vertical rib plate (15) and a transverse rib plate (16).
The bottom leveling layer (6) and the pressure-bearing bottom plate (7) are sequentially arranged in the bottom plate arrangement groove (4), and preferably, the upper plane of the pressure-bearing bottom plate (7) is parallel to the groove bottom surface of the guide wall arrangement groove (5); the assembled guide wall (1) is arranged on the pressure-bearing bottom plate (7), the inner side of the assembled guide wall (1) is close to the groove edge of the bottom plate arrangement groove (4), the outer side of the assembled guide wall (1) is provided with a lateral buttress (8), the lateral buttress (8) penetrates through the bottom leveling layer (6) and the pressure-bearing bottom plate (7) and is fixed on the foundation soil layer (3), and a light backfill body (10) is arranged in a gap between the assembled guide wall (1) and the pressure-bearing bottom plate arrangement groove (5).
It is worth mentioning that the bottom plate laying grooves (4) and the guide wall laying grooves (5) on the two symmetrical sides are symmetrically provided with more than one element, and the cross section of the guide wall laying grooves (5) is in an isosceles trapezoid shape.
At the moment, channel excavation construction is carried out between the assembled guide walls (1) on the two sides to form a channel, hanging beam supports (11) are respectively arranged in the light backfilling bodies (10) on the two sides, and an orifice hanging beam (12) is arranged between the hanging beam supports (11) on the two opposite sides.
Wherein the hanging beam supports (11) at two sides are symmetrically and vertically arranged, and the orifice hanging beam (12) is vertical to the hanging beam supports (11).
A longitudinal connecting beam (13) is arranged on the lower surface of the orifice hanging beam (12), the longitudinal connecting beam (13) is connected with a bag connecting rod (14), and the bag connecting rod (14) is perpendicular to the orifice hanging beam (12); the bottom end of the bag connecting rod (14) is provided with the supporting bag (2), the outer side of the supporting bag (2) is provided with a vertical rib plate (15) and a transverse rib plate (16), the vertical rib plate (15) is arranged on the two side sides of the supporting bag (2), the transverse rib plate (16) is perpendicular to the vertical rib plate (15), the transverse rib plate (16) is abutted against the side wall (18) of the channel, and the vertical rib plate (15) is arranged between the supporting bag (2) and the transverse rib plate (16) and is vertically welded and connected with the transverse rib plate (16); elastic connecting bodies (22) are arranged between the connected transverse ribs (16).
The supporting bag (2) is connected with a pressure control pipe (17), the outlet end of the pressure control pipe (17) is arranged in the pressure control pipe (17), the inlet end of the pressure control pipe (17) is connected with an external pressurizing device, the pressure control pipe (17) is connected with the external pressurizing device, the supporting bag (2) is expanded by applying air pressure or water pressure to the supporting bag (2), and the extrusion transverse rib plate (16) is tightly connected with the channel side wall (18).
The concrete strength grade of the fabricated guide wall (1) is C35, the width of the fabricated guide wall is 50cm, the length of the fabricated guide wall is 1m, and the height of the fabricated guide wall is 1 m.
The assembled guide wall (1) is internally provided with a lacing wire through hole (9), two sides of the assembled guide wall are respectively provided with a connecting convex tenon (19) and a connecting groove (20) along the height direction, a joint sealing body (21) is distributed in the connecting groove (20), the cross sections of the connecting convex tenon (19) and the connecting groove (20) are isosceles trapezoids, and the bottom widths of the connecting convex tenon and the connecting groove are respectively 20cm and 21 cm; the seam closure (21) has a thickness of 8 mm. The diameter of the lacing wire through hole (9) is 35 mm.
The supporting bag (2) is formed by sewing rubber sheets with the wall thickness of 1mm, and the width of the cross section is 60 cm.
The foundation soil layer (3) is cohesive soil in a hard plastic state.
The width of the bottom plate distributing groove (4) is 50cm, and the height of the bottom plate distributing groove is 10 cm; the width of the guide wall arrangement groove (5) is 100cm, the height is 40cm, and the cross section is in an isosceles trapezoid shape.
The bottom leveling layer (6) is made of medium coarse sand with good gradation and has the thickness of 2 cm.
The pressure-bearing bottom plate (7) is made of a reinforced concrete slab with the thickness of 8cm and the strength grade of C45.
The side buttress (8) adopts H-shaped steel with the specification of 100 multiplied by 6 multiplied by 8.
The light backfill body (10) adopts foam concrete with the weight of 1.1t/m 3.
The hanging beam strut (11) is made of steel pipe materials with the diameter of 100 mm.
The orifice hanging beam (12) is formed by rolling H-shaped steel with the specification of 100 multiplied by 6 multiplied by 8.
The longitudinal connecting beam (13) is formed by rolling a steel plate with the thickness of 2mm and is welded with the orifice hanging beam (12).
The bag connecting rod (14) adopts a steel pipe with the diameter of 200 mm.
The vertical rib plates (15) and the transverse rib plates (16) are respectively formed by rolling steel plates with the thickness of 1cm and 2mm, and the width of each steel plate is 4 cm.
The pressure control pipe (17) is formed by rolling a steel pipe with the diameter of 30 mm.
The width of the channel (18) is 80cm and the height is 6 m.
The elastic connecting body (22) is made of a spring material with the diameter of 5 mm.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides an impervious wall slot way excavation structure, sets up on foundation soil layer (3), wherein digs the bottom plate of establishing the symmetry both sides in foundation soil layer (3) and lays groove (4) and lead the wall and lay groove (5), its characterized in that includes:
the prefabricated guide wall comprises an assembled guide wall (1), a slab bottom leveling layer (6), a pressure-bearing bottom plate (7), lateral buttresses (8), a light backfill body (10), hanging beam supports (11), an orifice hanging beam (12), a longitudinal connecting beam (13), a bag connecting rod (14), a vertical rib plate (15) and a transverse rib plate (16);
the bottom leveling layer (6) and the pressure-bearing bottom plate (7) are sequentially arranged in the bottom plate arrangement groove (4), the assembled guide wall (1) is arranged on the pressure-bearing bottom plate (7), the outer side of the assembled guide wall (1) is provided with a lateral buttress (8), and a light backfill body (10) is arranged in a gap between the assembled guide wall (1) and the guide wall arrangement groove (5);
the method comprises the steps of excavating a channel between assembled guide walls (1) on two sides, arranging hanging beam pillars (11) in light backfill bodies (10) on two sides respectively, arranging orifice hanging beams (12) between the hanging beam pillars (11) on two opposite sides, arranging longitudinal connecting beams (13) on the lower surfaces of the orifice hanging beams (12), connecting the longitudinal connecting beams (13) with bag connecting rods (14), arranging supporting bags (2) at the bottom ends of the bag connecting rods (14), arranging vertical rib plates (15) and transverse rib plates (16) on the outer sides of the supporting bags (2), and arranging the supporting bags (2) in the channel.
2. Cut wall channel excavation structure according to claim 1, wherein the pocket connecting rod (14) is arranged perpendicular to the opening hanging beam (12), the vertical rib plate (15) is arranged on two side sides of the supporting pocket (2), and the vertical rib plate (15) is vertically welded and connected with the transverse rib plate (16).
3. Cut wall channel excavation structure according to claim 1, wherein the support sack (2) is connected with a pressure control pipe (17), and the support sack (2) is made of rubber material.
4. Cut wall channel excavation construction according to claim 1, wherein elastic connectors (22) are provided between the adjoining transverse ribs (16).
5. Cut wall channel excavation structure according to claim 1, wherein the assembled guide wall (1) is internally provided with a lacing wire through hole (9), two sides of the assembled guide wall are respectively provided with a connecting convex tenon (19) and a connecting groove (20) along the height direction, and a joint closing body (21) is arranged in the connecting groove (20).
6. Cut wall channel excavation structure according to claim 5, wherein the connecting tenons (19) and the connecting grooves (20) are isosceles trapezoids in cross section.
7. The cut structure of the impervious wall channel according to any one of claims 1 to 6, wherein the cross section of the guide wall laying groove (5) is isosceles trapezoid.
8. Cut wall channel excavation structure according to any one of claims 1 to 6, wherein the lateral buttresses (8) are fixed to the foundation soil layer (3) through the floor-base screed (6) and the pressure-bearing base plate (7).
9. Cut wall channel excavation structure according to any one of claims 1 to 6, wherein the hanging beam supports (11) on both sides are symmetrically and vertically arranged, and the opening hanging beam (12) is perpendicular to the hanging beam supports (11).
10. Cut wall channel excavation structure according to claim 3, wherein the outlet end of the pressure control pipe (17) is placed inside the pressure control pipe (17), and the inlet end of the pressure control pipe (17) is connected to an external pressurizing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920574900.5U CN210163918U (en) | 2019-04-25 | 2019-04-25 | Cut-off wall channel excavation structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920574900.5U CN210163918U (en) | 2019-04-25 | 2019-04-25 | Cut-off wall channel excavation structure |
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| CN210163918U true CN210163918U (en) | 2020-03-20 |
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| CN201920574900.5U Active CN210163918U (en) | 2019-04-25 | 2019-04-25 | Cut-off wall channel excavation structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215070A (en) * | 2021-12-23 | 2022-03-22 | 浙江省建筑设计研究院 | Super-deep TRD (blast furnace direct reduction) wall forming construction method for gravel water-rich stratum based on assembled L-shaped guide wall |
-
2019
- 2019-04-25 CN CN201920574900.5U patent/CN210163918U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215070A (en) * | 2021-12-23 | 2022-03-22 | 浙江省建筑设计研究院 | Super-deep TRD (blast furnace direct reduction) wall forming construction method for gravel water-rich stratum based on assembled L-shaped guide wall |
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