CN219240553U - Sprayed concrete thickness and base bonding strength controller - Google Patents
Sprayed concrete thickness and base bonding strength controller Download PDFInfo
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- CN219240553U CN219240553U CN202320747269.0U CN202320747269U CN219240553U CN 219240553 U CN219240553 U CN 219240553U CN 202320747269 U CN202320747269 U CN 202320747269U CN 219240553 U CN219240553 U CN 219240553U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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Abstract
The utility model discloses a sprayed concrete thickness and base layer bonding strength controller, which comprises a plurality of steel bar piles pre-buried on the slope surface of a foundation pit, wherein a steel bar net hung on the steel bar piles is laid on the slope surface of the foundation pit, the steel bar net and the steel bar piles are bound through iron wires, and a plurality of inserting holes are formed in the slope surface of the foundation pit. According to the utility model, the reinforced pile is pre-embedded in a preset position on the slope of the foundation pit, the reinforced mesh is paved on the slope of the foundation pit, so that the reinforced mesh is hung on the reinforced pile, then holes are drilled on the slope of the foundation pit as required, the controller body is inserted into the holes and connected with the reinforced mesh through the pre-connection assembly, the direction of the C semicircle cement block is downward, cement slurry is injected into the inserting holes to increase the bonding capacity, and then the construction of the sprayed concrete is performed, so that the thickness of the sprayed concrete and the bonding strength of a base layer are controlled, and the strength of the sprayed concrete structural face and the bonding capacity to rock mass are increased.
Description
Technical Field
The utility model belongs to the technical field of foundation pit slope construction, and particularly relates to a sprayed concrete thickness and base layer bonding strength controller.
Background
Along with the continuous perfection of a construction technology system, the shotcrete construction method gradually becomes the most commonly used construction technology in foundation pit slope engineering, can meet the construction requirements of foundation pit supporting construction of different degrees, is wide in practical application, but in the practical construction of engineering, a plurality of quality problems to be solved exist, and the performance, quality and use safety of a foundation pit slope structure are affected to different degrees.
In the construction of sprayed concrete, the thickness control and no chipping and cracking are important, the most common thickness control measure nowadays is a drill rod inserting method, namely, when the drill rod inserting method is used for controlling the thickness of sprayed concrete, the drilling method is determined according to the soil condition of rock mass, after the drill rod is inserted, concrete spraying is carried out, the thickness of sprayed concrete is judged by the length of the exposed drill rod, the mode is rough, and the control effect is poor, so that a sprayed concrete thickness and base layer bonding strength controller is designed, the drill rod is inserted into a foundation pit slope, grouting is carried out in a hole, and a semicircular concrete block is arranged at the lower side of one exposed end, so that the thickness of sprayed concrete and the bonding strength of the base layer are controlled, and the strength of a sprayed concrete structural face and the bonding capability to the rock mass are increased.
Disclosure of Invention
The utility model aims to provide a sprayed concrete thickness and base layer bonding strength controller which has the advantages of increasing the strength of a sprayed concrete structural surface and the bonding capability to a rock mass, and solves the problems that the most common thickness control measure at present is a drill rod inserting method, namely, when the drill rod inserting method is used for controlling the sprayed concrete thickness, an opening method is firstly determined according to the soil condition of the rock mass, concrete spraying is carried out after the drill rod is inserted, the sprayed concrete thickness is judged by the length of the exposed drill rod, the mode is rough, and the control effect is poor.
The technical scheme for solving the technical problems is as follows: the utility model provides a shotcrete thickness and basic unit bond strength controller, it includes a plurality of reinforcing bar piles of pre-buried on the foundation ditch domatic, has laid the reinforcing bar net of hanging on a plurality of reinforcing bar piles on the foundation ditch domatic, the reinforcing bar net passes through the iron wire ligature with the reinforcing bar pile, has seted up a plurality of spliced eyes on the foundation ditch domatic, the inner chamber injection cement paste of spliced eye, the inner chamber of spliced eye is provided with the controller body, the controller body is including the plug pin that inserts the inner chamber of spliced eye, the fixed surface who inserts the plug pin and expose is connected with the semicircle cement piece of C20, the plug pin is provided with the pre-connection subassembly with the perpendicular muscle of reinforcing bar net.
The utility model relates to a controller for sprayed concrete thickness and base layer bonding strength, which is characterized by further comprising: and a plurality of embedded holes for inserting the reinforced piles are formed in the slope surface of the foundation pit.
The utility model relates to a controller for sprayed concrete thickness and base layer bonding strength, which is characterized by further comprising: and a plurality of arc-shaped steel bars are welded on the surface annular array of the steel bar pile.
The utility model relates to a controller for sprayed concrete thickness and base layer bonding strength, which is characterized by further comprising: the surface welding of inserted borer has a plurality of reinforcement nails, the inside at C semicircle cement piece is pre-buried to the reinforcement nail.
The utility model relates to a controller for sprayed concrete thickness and base layer bonding strength, which is characterized by further comprising: the pre-connection assembly comprises a sleeve block sleeved on the surface of the drill rod, one side of the sleeve block is fixedly connected with an arc-shaped elastic shell, the arc-shaped elastic shell is sleeved on a vertical rib of the reinforcing mesh, and the bottom of the sleeve block is propped against a transverse rib of the reinforcing mesh.
The utility model relates to a controller for sprayed concrete thickness and base layer bonding strength, which is characterized by further comprising: the sleeve block is provided with jacks for inserting the drill rods, and the inner walls of the jacks are provided with a plurality of anti-slip lines.
The utility model relates to a controller for sprayed concrete thickness and base layer bonding strength, which is characterized by further comprising: the inner side of the arc elastic shell is fixedly connected with an arc bulge, and one side of the arc bulge is propped against the vertical ribs of the reinforcing mesh.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the reinforced piles are pre-embedded in the preset positions on the slope surface of the foundation pit, then the reinforced nets are paved on the slope surface of the foundation pit, so that the reinforced nets are hung on the reinforced piles, then holes are drilled on the slope surface of the foundation pit as required, the controller body is inserted into the holes and connected with the reinforced nets through the pre-connection assembly, the direction of the C20 semicircular cement blocks is downward, cement slurry is injected into the insertion holes to increase the bonding capacity, then the construction of the sprayed concrete is performed, the thickness of the sprayed concrete and the bonding strength of a base layer are controlled in this way, the strength of the structural face of the sprayed concrete and the bonding capacity of the rock mass are increased, the most commonly used thickness control measures at present are an inserting drill method, namely, when the thickness of the sprayed concrete is controlled by using the inserting drill method, the drilling method is determined according to the condition of the rock mass, the concrete is sprayed after the drill is inserted, the thickness of the sprayed concrete is judged by the length of the exposed steel, and the problem of poor control effect is solved in this way.
2. According to the utility model, through the arrangement of the arc-shaped steel bars, the friction force between the steel bar piles and the inner wall of the embedded hole is increased, and the connection strength between the steel bar piles and the slope surface is increased.
3. According to the utility model, through the arrangement of the reinforcing nails, the strength of pouring the C20 semicircular cement blocks on the surface of the reinforced pile can be improved, and the finished product is not easy to break in the transportation process.
4. According to the utility model, through the arrangement of the anti-skid lines, the sleeve blocks can slide and rotate randomly under the action of external force when being sleeved on the surface of the drill rod, so that the stability of the connection between the sleeve blocks and the drill rod is improved.
5. According to the utility model, through the arrangement of the arc-shaped protrusions, when the arc-shaped elastic shell is sleeved on the vertical ribs of the reinforcing mesh, the arc-shaped protrusions can be propped against the vertical ribs of the reinforcing mesh, so that the arc-shaped elastic shell is prevented from easily slipping off the vertical ribs of the reinforcing mesh.
Drawings
The foregoing and/or other advantages of the present utility model will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative only and not limiting of the utility model, wherein:
FIG. 1 is a schematic perspective view of an arrangement of an embodiment of the present utility model;
FIG. 2 is a schematic side cross-sectional view of an embodiment of the present utility model in an deployed state;
FIG. 3 is a schematic cross-sectional view of a controller body according to an embodiment of the present utility model;
fig. 4 is a schematic perspective view illustrating a connection state between a reinforcing mesh and a controller body according to an embodiment;
fig. 5 is a schematic perspective view illustrating an exploded state of the reinforcing mesh and the controller body according to an embodiment;
fig. 6 is an enlarged schematic diagram of the point a in fig. 5 according to an embodiment of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. the steel bar pile, 2, the reinforcing mesh, 3, the spliced eye, 4, the controller body, 41, the inserted borer, 42, the semicircle cement piece of C20, 43, the reinforcement nail, 5, the pre-connection subassembly, 51, the cover piece, 52, the jack, 53, anti-skid lines, 54, arc elastic shell, 55, arc arch, 6, pre-buried hole, 7, arc reinforcing bar.
Detailed Description
Hereinafter, embodiments of the shotcrete thickness and base bonding strength controller according to the present utility model will be described with reference to the accompanying drawings.
The examples described herein are specific embodiments of the present utility model, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the utility model to the embodiments and scope of the utility model. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification of the present application, including those adopting any obvious substitutions and modifications to the embodiments described herein.
The drawings in the present specification are schematic views, which assist in explaining the concept of the present utility model, and schematically show the shapes of the respective parts and their interrelationships. Note that, in order to clearly show the structures of the components of the embodiments of the present utility model, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
Figures 1-6 show a sprayed concrete thickness and base layer bonding strength controller according to an embodiment of the utility model, which comprises a plurality of steel bar piles 1 pre-buried on the slope of a foundation pit, a plurality of pre-buried holes 6 for inserting the steel bar piles 1 are formed on the slope of the foundation pit, a plurality of arc-shaped steel bars 7 are welded on the surface annular array of the steel bar piles 1, the friction force between the steel bar piles 1 and the inner wall of the pre-buried holes 6 is increased by the arrangement of the arc-shaped steel bars 7, the connection strength between the steel bar piles 1 and the slope is increased, a steel bar net 2 hung on the steel bar piles 1 is paved on the slope of the foundation pit, the steel bar net 2 and the steel bar piles 1 are bound through iron wires, a plurality of plug holes 3 are formed on the slope of the foundation pit, cement paste is injected into the inner cavities of the plug holes 3, a controller body 4 is arranged in the inner cavities of the plug holes 3, the controller body 4 comprises plug pins 41 inserted into the inner cavities of the plug holes 3, the exposed surface of the inserting drill rod 41 is fixedly connected with a C20 semicircle cement block 42, the surface of the inserting drill rod 41 is welded with a plurality of reinforcing nails 43, the reinforcing nails 43 are embedded in the C20 semicircle cement block 42, the strength of the C20 semicircle cement block 42 poured on the surface of the reinforced pile 1 can be improved through the arrangement of the reinforcing nails 43, the finished product is not easy to break in the transportation process, the inserting drill rod 41 and the vertical ribs of the reinforced net 2 are provided with a pre-connecting component 5, the pre-connecting component 5 comprises a sleeve block 51 sleeved on the surface of the inserting drill rod 41, one side of the sleeve block 51 is fixedly connected with an arc-shaped elastic shell 54, the arc-shaped elastic shell 54 is sleeved on the vertical ribs of the reinforced net 2, the bottom of the sleeve block 51 is propped against the transverse ribs of the reinforced net 2, the sleeve block 51 is provided with insertion holes 52 for inserting the inserting drill rod 41, the inner wall of the insertion holes 52 is provided with a plurality of anti-skid lines 53, the arrangement of the anti-skid lines 53 is provided, can make cover piece 51 cover slide and rotate at will under the effect of external force when not receiving the surface of plug pin 41, increased the stability that cover piece 51 and plug pin 41 are connected, the inboard fixedly connected with arc protruding 55 of arc elastic shell 54, one side of arc protruding 55 supports on the perpendicular muscle of reinforcing bar net 2, through the setting of arc protruding 55, when arc elastic shell 54 cover is on the perpendicular muscle of reinforcing bar net 2, arc protruding 55 can support on the perpendicular muscle of reinforcing bar net 2, avoided arc elastic shell 54 to follow the perpendicular muscle of reinforcing bar net 2 easily and slipped.
The drill rod 41 is made of steel bars with the diameter of 6cm, the radius of the C20 semicircular cement block 42 is 100mm, the thickness of the circle center is 30mm, the prefabricated part of the factory is manufactured, and the length of the drill rod 41 penetrating through the right side of the C20 semicircular cement block 42 is 100mm.
Working principle: when the utility model is used, the steel bar pile 1 is pre-embedded in a preset position on the slope of the foundation pit, the steel bar net 2 is paved on the slope of the foundation pit, the steel bar net 2 is hung on the steel bar pile 1 and bound through iron wires, the plugging hole 3 is punched on the slope of the foundation pit according to the requirement, the sleeve block 51 is sleeved on the surface of the plug rod 41, the plug rod 41 is lifted up to be inserted into the plugging hole 3, the arc-shaped elastic shell 54 is sleeved on the vertical rib of the steel bar net 2, the controller body 4 is connected with the vertical rib of the steel bar net 2, the C20 semicircular cement block 42 is downwards in the process, cement slurry is injected into the plugging hole 3 to increase the adhesion capability between the plug rod 41 and the slope of the foundation pit, and then the sprayed concrete is constructed, so that the thickness of the sprayed concrete and the bonding strength of a base layer are controlled, and the bonding capability of the sprayed concrete structure face and the C20 semicircular cement block 42 and a rock body are increased.
To sum up: according to the sprayed concrete thickness and base bonding strength controller, the reinforced pile 1 is embedded in a preset position on the slope of a foundation pit, the reinforced mesh 2 is paved on the slope of the foundation pit, the reinforced mesh 2 is connected to the reinforced pile 1 in a hanging mode, holes are drilled on the slope of the foundation pit according to requirements, the controller body 4 is inserted into the holes and connected with the reinforced mesh 2 through the pre-connection assembly 5, the direction of the C20 semicircular cement block 42 is downward, cement slurry is injected into the inserting holes 3 to increase bonding capacity, then sprayed concrete construction is carried out, the sprayed concrete thickness and the base bonding strength are controlled in this way, the strength of a sprayed concrete structural face and the bonding capacity to rock mass are increased, the most commonly used thickness control measures are the drill rod inserting method at present, when the sprayed concrete thickness is controlled by the method, the drilling method is determined according to the rock mass condition firstly, concrete is sprayed after the drill rod is inserted, the sprayed concrete is further, the sprayed concrete thickness is judged, and the control mode is poor.
The above disclosed features are not limited to the disclosed combinations with other features, and other combinations between features can be made by those skilled in the art according to the purpose of the utility model to achieve the purpose of the utility model.
Claims (7)
1. The utility model provides a shotcrete thickness and basic unit bonding strength controller, its characterized in that, including a plurality of reinforcing bar stake (1) of pre-buried on the foundation ditch domatic, laid on the foundation ditch domatic and hung reinforcing bar net (2) on a plurality of reinforcing bar stake (1), reinforcing bar net (2) are through the iron wire ligature with reinforcing bar stake (1), a plurality of spliced eyes (3) have been seted up on the foundation ditch domatic, the inner chamber injection grout of spliced eyes (3), the inner chamber of spliced eyes (3) is provided with controller body (4), controller body (4) are including inserting borer (41) of inserting spliced eyes (3) inner chamber, the fixed surface who inserts borer (41) and expose is connected with C20 semicircle cement piece (42), the perpendicular muscle of borer (41) and reinforcing bar net (2) is provided with pre-coupling assembling (5).
2. The sprayed concrete thickness and base layer bonding strength controller according to claim 1, wherein a plurality of embedded holes (6) for inserting the steel bar piles (1) are formed on the slope surface of the foundation pit.
3. A sprayed concrete thickness and base layer bonding strength controller according to claim 2, characterized in that a plurality of arc-shaped reinforcing bars (7) are welded on the surface annular array of the reinforcing piles (1).
4. A sprayed concrete thickness and base bonding strength controller according to claim 3, characterized in that a plurality of reinforcing nails (43) are welded on the surface of the insert pin (41), and the reinforcing nails (43) are embedded in the C20 semicircular cement block (42).
5. The sprayed concrete thickness and base layer bonding strength controller according to claim 4, wherein the pre-connection assembly (5) comprises a sleeve block (51) sleeved on the surface of the insert pin (41), one side of the sleeve block (51) is fixedly connected with an arc-shaped elastic shell (54), the arc-shaped elastic shell (54) is sleeved on a vertical rib of the reinforcing mesh (2), and the bottom of the sleeve block (51) is propped against a transverse rib of the reinforcing mesh (2).
6. The sprayed concrete thickness and base layer bonding strength controller according to claim 5, wherein the sleeve block (51) is provided with a jack (52) for inserting a drill rod (41), and the inner wall of the jack (52) is provided with a plurality of anti-slip lines (53).
7. The sprayed concrete thickness and base layer bonding strength controller according to claim 6, wherein an arc-shaped protrusion (55) is fixedly connected to the inner side of the arc-shaped elastic shell (54), and one side of the arc-shaped protrusion (55) is abutted against the vertical ribs of the reinforcing mesh (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320747269.0U CN219240553U (en) | 2023-04-07 | 2023-04-07 | Sprayed concrete thickness and base bonding strength controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320747269.0U CN219240553U (en) | 2023-04-07 | 2023-04-07 | Sprayed concrete thickness and base bonding strength controller |
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| CN219240553U true CN219240553U (en) | 2023-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116752548A (en) * | 2023-08-16 | 2023-09-15 | 北京城建集团有限责任公司 | Waterproof structure of super-risk large foundation pit and construction method |
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- 2023-04-07 CN CN202320747269.0U patent/CN219240553U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116752548A (en) * | 2023-08-16 | 2023-09-15 | 北京城建集团有限责任公司 | Waterproof structure of super-risk large foundation pit and construction method |
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