CN210163884U - Concrete pouring structure of impervious wall - Google Patents
Concrete pouring structure of impervious wall Download PDFInfo
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- CN210163884U CN210163884U CN201920579632.6U CN201920579632U CN210163884U CN 210163884 U CN210163884 U CN 210163884U CN 201920579632 U CN201920579632 U CN 201920579632U CN 210163884 U CN210163884 U CN 210163884U
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Abstract
The utility model provides a cut-off wall concrete placement structure, its characterized in that: arranging a light backfill body in a gap between the assembled guide wall and the guide wall arrangement groove, arranging a sliding platform at the upper part of the light backfill body, and arranging a support stand column on the sliding platform; arranging a pouring platform plate between the support stand columns which are opposite in mirror image, and arranging a connecting groove plate between the pouring platform plate and the support stand columns; a cover plate connecting rod and a sliding hopper are arranged on the lower surface of the pouring platform plate; connecting the cover plate connecting rod with the slotted hole cover plate, and arranging a surface vibrator on the outer surface of the sliding hopper; a pushing support and a moving roller are arranged between the sliding hopper and the pouring platform plate; and pouring concrete in the cavity between the adjacent fore shaft pipes to form the concrete impervious wall. The utility model discloses cut-off wall concrete site pouring is convenient, not only can satisfy the requirement of concrete placement pipe accurate positioning, can satisfy the requirement of pouring device longitudinal sliding moreover.
Description
Technical Field
The utility model relates to a hydraulic engineering field, in particular to can improve site operation quality and efficiency, reduce the site operation degree of difficulty, promote cast-in-place construction quality's cut-off wall concrete placement structure, 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 impervious wall is constructed, the quality control is concentrated on the aspects of concrete pouring quality and the like, so that the improvement of the concrete pouring quality is particularly important.
The prior art has a concrete cut-off wall pouring construction process by an open excavation top-down construction method, which comprises the steps of constructing a guide groove and a construction platform, constructing lining walls in a segmented manner from top to bottom, and pouring a cut-off wall from bottom to top; the process method is suitable for vertical excavation of ultra-long, ultra-deep and large-section impervious wall structures; compared with the concrete impervious wall constructed by the conventional method, the high-flow concrete has larger compaction effect on the lining walls and the soil bodies on the two sides in the pouring process of the concrete impervious wall by the open-cut reverse construction grooving process, so that the stress relaxation condition of the soil bodies on the two sides is changed, and the condition of the infiltration boundary of the concrete impervious wall is not greatly changed; the concrete impervious wall constructed by the open-excavation reverse-pouring method has the advantages that the engineering quality is visible and can be obtained, and the process and process control are guaranteed, so that the problems of easy hole collapse and low grooving work efficiency of the slotted holes in the construction of the concrete impervious wall with the loose sand gravel layer are solved, but improvements are provided in the aspects of improving the accurate positioning of concrete pouring pipes, reducing the longitudinal displacement difficulty of a concrete pouring device, improving the integrity of a construction structure and the like.
In view of this, in order to improve the existing engineering problems, the invention of the impervious wall concrete pouring structure which can not only meet the requirement of accurate positioning of the concrete pouring pipe, but also reduce the difficulty of longitudinal displacement of the concrete pouring device and effectively improve the safety of field construction is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 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 concrete placement structure of concrete placement construction quality.
In order to realize above arbitrary utility model purpose, the utility model provides a cut-off wall concrete placement structure sets up on the foundation soil layer, wherein digs the bottom plate of establishing the symmetry 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 sliding platform, a support upright post, a pouring platform plate, a cover plate connecting rod and a sliding hopper;
the concrete pouring system comprises a base plate, a bottom leveling layer, a pressure-bearing base plate, an assembled guide wall, a light backfill body, a slotted hole cover plate, a concrete pouring pipe and a concrete pouring pipe, wherein the bottom leveling layer and the pressure-bearing base plate are sequentially arranged in a base plate arrangement groove;
the platform that slides sets up on the upper portion of the light backfill body, sets up the support stand on the platform that slides, sets up between the support stand and pours the landing slab, sets up apron connecting rod and the hopper that slides at the lower surface of pouring the landing slab, and the apron connecting rod links to each other with the slotted hole apron, and the bottom of the hopper that slides links to each other with the concrete placement pipe.
In some embodiments, a support diagonal brace and a diagonal brace connecting plate are arranged between the support upright post and the sliding platform, the diagonal brace connecting plate is arranged at the side of the support upright post, and the support diagonal brace connects the diagonal brace connecting plate and the sliding platform.
In some embodiments, a connecting groove plate is arranged between the pouring platform plate and the support upright, and is fastened through a groove plate bolt.
In some embodiments, a pushing support and a moving roller are arranged between the slip hopper and the pouring platform plate, and the moving roller is arranged between the pushing support and the pouring platform plate.
In some embodiments, the pouring platform plate and the slotted cover plate are respectively provided with a hopper chute and a pouring pipe chute.
In some embodiments, the assembly guide wall is provided with connecting tenons and connecting grooves, and seam sealers are arranged in the connecting grooves (28).
In some embodiments, the connecting channel plate is vertically welded to the casting deck plate.
In some embodiments, the support columns are welded vertically to the skid platform and the casting platform plate is positioned perpendicular to the support columns.
In some embodiments, the deck tie bars are positioned perpendicular to the pour deck plate and down to connect to the slotted deck plate.
In some embodiments, the outer surface of the slip hopper is provided with a surface vibrator.
Compared with the prior art, the utility model has the characteristics of it is following:
1. the utility model provides a cut-off wall concrete placement structure pours the convenience at the cut-off wall concrete site, not only can satisfy the requirement of concrete placement pipe accurate positioning, can satisfy the requirement of pouring the device and vertically sliding moreover.
2. The utility model provides a cut-off wall concrete placement device can follow the cut-off wall and vertically slide, has effectively reduced the degree of difficulty that concrete placement device vertically shifted.
3. The light backfill body provided by the utility model has the advantages of heavy bottom and high bearing capacity, and can meet the requirement of on-site bearing; meanwhile, due to the arrangement of the slotted hole cover plate, sundries can be prevented from entering the slotted hole, and the safety of site construction is improved.
4. The utility model provides a wall installation school position is convenient is led to assembled, and is connected intensity height with the foundation soil layer, can effectively promote the wholeness of site operation efficiency and construction structures.
Drawings
Fig. 1 is a schematic structural view of a concrete pouring structure of a cut-off wall according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure diagram of an assembled guide wall according to an embodiment of the present invention.
Fig. 3 is a plan view of a concrete diaphragm wall according to an embodiment of the present invention.
In the figure: 1-concrete impervious wall; 2, assembling type guide walls; 3-a fore shaft tube; 4-a foundation soil layer; 5-arranging grooves on the bottom plate; 6-arranging a groove on the guide wall; 7-bottom leveling layer; 8-a pressure-bearing bottom plate; 9-lateral buttress; 10-the lacing wire penetrates through the hole; 11-light backfill body; 12-a diagonal brace connecting groove; 13-a slipping platform; 14-a bracket post; 15-a support diagonal brace; 6-bracing connecting plates; 17-pouring a platform plate; 18-connecting the grooved plates; 19-slotted plate bolts; 20-cover plate connecting rod; 21-a slip hopper; 22-slotted hole cover plate; 23-concrete pouring pipes; 24-a surface vibrator; 25-pushing the support; 26-moving the roller; 27-connecting convex falcon; 28-connecting grooves; 29-seam closure.
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 concrete pouring structure diagram of the diaphragm wall of the utility model; FIG. 2 is a schematic cross-sectional view of the assembled guide wall of FIG. 1; fig. 3 is a plan view of the concrete cut-off wall casting construction of fig. 1.
As shown in fig. 1 to 3, the cut-off wall concrete casting structure, which is provided on a foundation soil layer (4), wherein symmetrical bottom plate laying grooves (5) and guide wall laying grooves (6) are dug in the foundation soil layer (4), comprises: the prefabricated guide wall comprises an assembled guide wall (2), a slab bottom leveling layer (7), a pressure-bearing bottom plate (8), lateral buttresses (9), a light backfill body (11), a sliding platform (13), support stand columns (14), a pouring platform plate (17), a cover plate connecting rod (20) and a sliding hopper (21).
Wherein screed-coat (7) and pressure-bearing bottom plate (8) set gradually in groove (5) are laid to the bottom plate, and on pressure-bearing bottom plate (8) were arranged in to wall (2) is led to the assembled sets up relatively to wall (2) mirror image is led to the assembled, forms the cell body between wall (2) is led to two relative assembled, and the outside that wall (2) was led to the assembled sets up side direction buttress (9), and the inboard of wall (2) is led to the assembled is close to the trough edge of cell body.
A light backfill body (11) is arranged in a gap between the assembled guide wall (2) and the guide wall arrangement groove (6), and the top side of the light backfill body (11) is parallel to the top side of the assembled guide wall (2).
The sliding platform (13) is arranged on the upper portion of the light backfill body (11), the support upright posts (14) are arranged on the sliding platform (13), the support upright posts (14) are perpendicular to the sliding platform (13), the casting platform plate (17) is arranged between the support upright posts (14) opposite to the mirror image, and the casting platform plate (17) is perpendicular to the support upright posts (14).
Support bracing (15) and bracing connecting plate (16) are arranged between support upright (14) and sliding platform (13), the side of support upright (14) is arranged in bracing connecting plate (16), support bracing (15) are connected bracing connecting plate (16) and sliding platform (13), play the effect of supporting support upright (14).
And a connecting groove plate (18) is arranged between the pouring platform plate (17) and the support upright post (14) and is fastened through a groove plate bolt (19).
The slotted hole cover plate (22) is arranged on the notch of the groove body and is supported by the assembled guide wall (2), and the concrete pouring pipe (23) penetrates through the slotted hole cover plate (22) and is inserted into the groove body, wherein the slotted hole cover plate can prevent sundries from entering the slotted hole, and the safety of site construction is improved.
The lower surface of the pouring platform plate (17) is provided with a cover plate connecting rod (20) and a sliding hopper (21), the cover plate connecting rod (20) is connected with a slotted hole cover plate (22), the bottom end of the sliding hopper (21) is connected with a concrete pouring pipe (23), and the outer surface of the sliding hopper (21) is provided with a surface vibrator (24).
Specifically, the cover plate connecting rod (20) is arranged downwards perpendicular to the pouring platform plate (17) and is connected to the slotted cover plate (22).
A pushing support (25) and a moving roller (26) are arranged between the sliding hopper (21) and the pouring platform plate (17), the moving roller (26) is arranged between the pushing support (25) and the pouring platform plate (17), and concrete is poured in a cavity between the adjacent fore shaft pipes (3) through the concrete pouring pipe (23) to form the concrete impervious wall (1).
The pouring platform plate (17) and the slotted hole cover plate (22) are respectively provided with a hopper chute and a pouring pipe chute, and can synchronously slide with the support upright post (14) under the action of external pushing equipment.
The width of the concrete impervious wall (1) is 60cm, and the concrete strength grade is C30. The concrete strength grade of the assembled guide wall (2) is C35, the width of the assembled guide wall is 50cm, the length of the assembled guide wall is 1m, and the height of the assembled guide wall is 1 m; the assembled guide wall (2) is provided with a connecting convex tenon (27) and a connecting groove (28), a joint sealing body (29) is distributed in the connecting groove (28), the cross sections of the connecting convex tenon (27) and the connecting groove (28) are isosceles trapezoids, and the bottom widths are 20cm and 21cm respectively; the seam closure (29) has a thickness of 8 mm.
The fore shaft pipe (3) is composed of an inner layer steel pipe, a rigid elastic sheet, a rigid vertical rod and a circumferential sealing layer.
The foundation soil layer (4) is cohesive soil in a hard plastic state.
The width of the bottom plate distributing groove (5) is 50cm, and the height of the bottom plate distributing groove is 10 cm; the width of the guide wall arrangement groove (6) is 100cm, the height is 40cm, and the cross section is in an isosceles trapezoid shape.
The bottom leveling layer (7) is made of medium coarse sand with good gradation and has the thickness of 2 cm.
The pressure-bearing bottom plate (8) is made of a reinforced concrete slab with the thickness of 8cm and the strength grade of C45.
The side buttress (9) adopts H-shaped steel with the specification of 100 multiplied by 6 multiplied by 8.
The diameter of the lacing wire through hole (10) is 35 mm.
The light backfill body (11) adopts foam concrete with the weight of 1.1t/m 3.
The sliding platform (13) is formed by rolling a steel plate with the thickness of 2mm, the width of the sliding platform is 20cm, the height of the sliding platform is 6cm, the depth of the inclined strut connecting groove (12) on the upper surface of the sliding platform is 2mm, and the width of the inclined strut connecting groove is 5 cm.
The support upright post (14) is made of H-shaped steel materials with the specification of 150 multiplied by 7 multiplied by 10 and is vertically welded and connected with the sliding platform (13).
The support diagonal brace (15) is made of a steel pipe with the diameter of 30 mm.
The inclined strut connecting plate (16) is a steel plate with the thickness of 2mm and is welded with the support inclined strut (15); the casting platform plate (17) is formed by cutting a steel plate with the thickness of 1cm, the width of the casting platform plate is 50cm, and the length of the casting platform plate is 100 cm. The connecting groove plate (18) is formed by rolling a steel plate with the thickness of 2mm and is vertically welded and connected with the pouring platform plate (17).
The slotted plate bolts (19) adopt high-strength bolts with the diameter of 22 mm.
The cover plate connecting rod (20) is made of a steel pipe with the diameter of 60 mm.
The sliding hopper (21) is formed by welding steel plates with the thickness of 2mm, and the cross section of the sliding hopper is funnel-shaped.
The slotted hole cover plate (22) is formed by rolling a steel plate with the thickness of 2 mm.
The concrete pouring pipe (23) is a steel pipe with the diameter of 100mm and is connected with the sliding hopper (21) in a welding mode.
The surface vibrator (24) is an attachment vibrator.
The pushing support (25) is formed by rolling a steel plate with the thickness of 2mm and is welded with the sliding hopper (21).
The moving roller (26) adopts a 3-inch plastic roller.
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 concrete placement structure, sets up on foundation soil layer (4), wherein digs the bottom plate of establishing the symmetry in foundation soil layer (4) and lays groove (5) and lead the wall and lay groove (6), its characterized in that includes: the prefabricated guide wall structure comprises an assembled guide wall (2), a slab bottom leveling layer (7), a pressure-bearing bottom plate (8), lateral buttresses (9), a light backfill body (11), a sliding platform (13), support stand columns (14), a pouring platform plate (17), a cover plate connecting rod (20) and a sliding hopper (21);
the concrete pouring system comprises a base plate laying groove (5), assembled guide walls (2), light backfill bodies (11) and concrete pouring pipes (23), wherein the base plate leveling layer (7) and a pressure-bearing base plate (8) are sequentially arranged in the base plate laying groove (5), the assembled guide walls (2) are arranged on the pressure-bearing base plate (8), groove bodies are formed between the opposite assembled guide walls (2), the outer sides of the assembled guide walls (2) are provided with lateral buttresses (9), and the light backfill bodies (11) are arranged in gaps between the assembled guide walls (2) and the guide wall laying groove (6), wherein the slotted hole cover plates (22) are arranged on notches of the groove bodies, and the concrete pouring pipes (23) penetrate through;
the sliding platform (13) is arranged on the upper portion of the light backfill body (11), the support stand columns (14) are arranged on the sliding platform (13), the pouring platform plates (17) are arranged between the support stand columns (14), the cover plate connecting rods (20) and the sliding hoppers (21) are arranged on the lower surfaces of the pouring platform plates (17), the cover plate connecting rods (20) are connected with the slotted hole cover plates (22), and the bottom ends of the sliding hoppers (21) are connected with the concrete pouring pipes (23).
2. The concrete pouring structure of the impervious wall according to claim 1, wherein a bracket diagonal brace (15) and a diagonal brace connecting plate (16) are arranged between the bracket upright post (14) and the sliding platform (13), the diagonal brace connecting plate (16) is arranged at the side of the bracket upright post (14), and the bracket diagonal brace (15) is connected with the diagonal brace connecting plate (16) and the sliding platform (13).
3. The concrete casting structure for the impervious wall according to claim 1, wherein a connecting channel plate (18) is arranged between the casting platform plate (17) and the support upright post (14) and is fastened by a channel plate bolt (19).
4. The cut-off wall concrete casting structure according to claim 1, wherein a pushing bracket (25) and a moving roller (26) are provided between the slip hopper (21) and the casting deck (17), and the moving roller (26) is interposed between the pushing bracket (25) and the casting deck (17).
5. The concrete casting structure for the impervious wall according to claim 1, wherein hopper chutes and casting pipe chutes are provided on the casting deck plate (17) and the slotted cover plate (22), respectively.
6. The concrete casting structure of the diaphragm wall according to any one of claims 1 to 5, wherein the fabricated guide wall (2) is provided with a connecting tenon (27) and a connecting recess (28), and a joint closing body (29) is arranged in the connecting recess (28).
7. The concrete casting structure of the impervious wall according to claim 3, wherein the connecting channel plate (18) is vertically welded with the casting platform plate (17).
8. The concrete casting structure of the impervious wall according to any one of claims 1 to 5, wherein the supporting columns (14) are vertically welded to the sliding platform (13), and the casting platform plate (17) is arranged perpendicular to the supporting columns (14).
9. The concrete casting structure of the cutoff wall according to any one of claims 1 to 5, wherein the cover plate connection rods (20) are provided downward perpendicular to the casting deck plate (17) to be connected to the slot cover plates (22).
10. The concrete casting structure of diaphragm walls according to any one of claims 1 to 5, wherein the outer surface of the slip hopper (21) is provided with a surface vibrator (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579632.6U CN210163884U (en) | 2019-04-25 | 2019-04-25 | Concrete pouring structure of impervious wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579632.6U CN210163884U (en) | 2019-04-25 | 2019-04-25 | Concrete pouring structure of impervious wall |
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| Publication Number | Publication Date |
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| CN210163884U true CN210163884U (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920579632.6U Active CN210163884U (en) | 2019-04-25 | 2019-04-25 | Concrete pouring structure of impervious wall |
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| CN (1) | CN210163884U (en) |
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- 2019-04-25 CN CN201920579632.6U patent/CN210163884U/en active Active
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