CN221218869U - Connecting structure of open caisson bottom plate steel bar and blade foot embedded steel bar - Google Patents
Connecting structure of open caisson bottom plate steel bar and blade foot embedded steel bar Download PDFInfo
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- CN221218869U CN221218869U CN202323193229.5U CN202323193229U CN221218869U CN 221218869 U CN221218869 U CN 221218869U CN 202323193229 U CN202323193229 U CN 202323193229U CN 221218869 U CN221218869 U CN 221218869U
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- foot embedded
- sleeve
- bottom plate
- cutting edge
- bars
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 55
- 239000010959 steel Substances 0.000 title claims abstract description 55
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 210000003205 muscle Anatomy 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model belongs to the field of open caisson construction, and particularly relates to a connecting structure of open caisson bottom plate steel bars and edge foot embedded bars, which comprises open caisson segments and bottom plate steel bars, wherein edge feet are arranged at the bottom of the open caisson segments, notches are formed in the inner sides of the open caisson segments at the upper parts of the edge feet, edge foot embedded bars are arranged in the open caisson segments, one ends of the edge foot embedded bars horizontally extend out of the notches, the end parts of the bottom plate steel bars horizontally extend out, the edge foot embedded bars correspond to the bottom plate steel bars in position, and the edge foot embedded bars are connected with the end parts of the bottom plate steel bars through connectors; according to the utility model, through the arrangement of the connector, the exposed blade foot embedded ribs in the sinking process of the sunk well pipe pieces can be protected, the embedded ribs are prevented from being damaged in the sinking process of the sunk well, the connector is convenient to manufacture and easy to operate, the material cost is low, and the working efficiency and the construction quality of the bottom plate can be improved.
Description
Technical Field
The utility model belongs to the technical field of open caisson construction, and particularly relates to a connecting structure of open caisson bottom plate steel bars and cutting edge pre-buried steel bars.
Background
The open caisson technology is widely applied to urban construction as an underground structure without need of pile driving, surrounding building (construction), soil wall supporting, water resistance and unfavorable adoption of large excavation, and has been developed in recent decades, over 70 years in the development history of China. The open caisson construction technology is widely applied to construction of urban areas, dry land construction, island construction in water, floating open caisson and the like. At present, when the open caisson is constructed in China, the reserved ribs of the bottom plate are mostly inserted ribs, and the bottom plate reinforcing steel bars and the open caisson segment reinforcing steel bars are welded or lapped by cold lapping. Reserved steel bars are easy to damage by the long-arm excavator during sinking, and the quality of lap joint quality influences the safety and the quality of open caisson bottom plate construction.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provide a connecting structure of a bottom plate steel bar of a sunk well and a blade foot embedded steel bar, which can prevent the reserved steel bar from being damaged in the sinking process of the sunk well.
In order to achieve the above object, the present utility model provides the following technical solutions:
The utility model provides a connection structure of open caisson bottom plate reinforcing bar and pre-buried muscle of cutting edge, includes open caisson section of jurisdiction and bottom plate reinforcing bar, the bottom of open caisson section of jurisdiction is provided with the cutting edge, the notch has been seted up to the open caisson section of jurisdiction inboard on cutting edge upper portion, be provided with the pre-buried muscle of cutting edge in the open caisson section of jurisdiction, the one end of the pre-buried muscle of cutting edge is followed the notch level stretches out, the tip level of bottom plate reinforcing bar stretches out, the pre-buried muscle of cutting edge with the bottom plate reinforcing bar corresponds in position, the pre-buried muscle of cutting edge with the tip of bottom plate reinforcing bar is connected through the connector.
Furthermore, the connector adopts a straight thread sleeve, and the exposed length of the embedded ribs of the cutting edge feet is 0.5-1 time of the length of the straight thread sleeve.
Further, the connector adopts a split type steel bar connecting sleeve, the split type steel bar connecting sleeve comprises a first sub-sleeve, a second sub-sleeve and a female sleeve, wherein the first sub-sleeve is in threaded connection with the exposed end of the embedded bar of the cutting edge, the second sub-sleeve is in threaded connection with the end part of the steel bar of the bottom plate, the female sleeve is in threaded connection with the outer parts of the first sub-sleeve and the second sub-sleeve, and the outer diameters of the end parts of the first sub-sleeve and the second sub-sleeve are smaller than the minor diameters of the threads of the female sleeve.
Furthermore, the exposed length of the embedded ribs of the cutting edge feet is 100+/-5 mm.
Further, the distance between two adjacent cutting edge foot embedded bars is 150mm plus or minus 5mm.
Furthermore, an upper group of blade foot embedded ribs and a lower group of blade foot embedded ribs are arranged in the notch.
Further, the distance between the upper and lower groups of embedded ribs of the cutting edge foot is 715mm plus or minus 5mm.
Furthermore, the blade foot embedded ribs are L-shaped, and the blade foot embedded ribs of the upper group and the blade foot embedded ribs of the lower group are arranged symmetrically up and down.
Further, the blade foot embedded rib comprises a vertical section and a horizontal section connected to the middle of the vertical section, and the horizontal section extends out of the notch.
The beneficial effects of the utility model are as follows:
According to the utility model, through the arrangement of the connector, the exposed blade foot embedded ribs in the sinking process of the sunk well pipe pieces can be protected, the embedded ribs are prevented from being damaged in the sinking process of the sunk well, the connector is convenient to manufacture, simple to operate and detachable, the material cost is low, and the working efficiency and the construction quality of the bottom plate can be improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Wherein:
fig. 1 is a schematic structural view of a blade foot embedded rib according to an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a blade foot embedded rib in the sinking process according to an embodiment of the present utility model.
Fig. 3 is a schematic diagram of connection between a blade foot embedded bar and a base plate steel bar according to an embodiment of the present utility model.
Fig. 4 is a schematic structural diagram of an embodiment of the present utility model.
In the figure, 1-cutting edge pre-buried ribs, 2-connectors, 3-bottom plate steel bars, 4-bottom plate concrete, 10-open caisson segments and 11-notch.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
In the description of the present utility model, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present utility model and do not require that the present utility model must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
As shown in fig. 1 to 3, the connecting structure of the open caisson floor steel bar and the edge foot embedded steel bar comprises an open caisson tube sheet 10 and a floor steel bar 3, edge feet are arranged at the bottom of the open caisson tube sheet 10, a notch 11 is formed in the inner side of the open caisson tube sheet 10 on the upper portion of each edge foot, the edge foot embedded steel bar 1 is arranged in the open caisson tube sheet 10, one end of each edge foot embedded steel bar 1 horizontally extends out of the notch 11, the end of the floor steel bar 3 horizontally extends out, each edge foot embedded steel bar 1 corresponds to the floor steel bar 3 in position, and each edge foot embedded steel bar 1 is connected with the end of the floor steel bar 3 through a connector 2.
In one embodiment, as shown in fig. 2 to 4, the connector 2 adopts a straight thread sleeve, and the exposed length of the blade foot embedded rib 1 is 0.5-1 times of the length of the straight thread sleeve; the connector 2 in the embodiment has simple structure, convenient manufacture and low material cost; preferably, the exposed length of the blade foot embedded rib 1 is half of the length of the straight thread sleeve, and at the moment, the exposed length of the blade foot embedded rib 1 is shortest, so that materials are saved;
Before the open caisson tube sheet 10 is lowered, as shown in fig. 2, the connector 2 is screwed on the exposed end part of the blade foot embedded rib 1, so as to protect the exposed reinforcing steel bar head and prevent the exposed reinforcing steel bar head from being damaged or skewed; after the sunk well pipe piece 10 is lowered into place, as shown in fig. 3, connecting one end of the bottom plate steel bar 3 at the other end of the straight thread sleeve, threading the end of the bottom plate steel bar 3 in advance, and screwing the thread direction of the bottom plate steel bar 3 to be the same as the thread direction of the end part of the blade foot embedded bar 1; continuously binding the bottom plate stirrups and binding the stirrups into a bottom plate steel reinforcement framework, and finally pouring bottom plate concrete 4 to obtain the structure shown in fig. 4; the blade foot embedded bars 1 and the bottom plate steel bars 3 are connected and formed by adopting the connector 2, so that the structural stability of the bottom plate is further improved, and the operation is convenient and the functions are practical.
In another embodiment, as shown in fig. 2, the connector 2 is a split-type steel bar connecting sleeve, the split-type steel bar connecting sleeve comprises a first sub-sleeve screwed on the exposed end of the blade foot embedded bar 1, a second sub-sleeve screwed on the end part of the bottom plate steel bar 3, and a main sleeve screwed outside the first sub-sleeve and the second sub-sleeve, and the outer diameters of the end parts of the first sub-sleeve and the second sub-sleeve are smaller than the minor diameter of the screw thread of the main sleeve; the connector 2 in the embodiment has simple structure and convenient use;
Before the open caisson tube sheet 10 is lowered, as shown in fig. 2, the first sub-sleeve is screwed on the exposed end part of the blade foot embedded rib 1, so as to protect the exposed reinforcing steel bar head and prevent the exposed reinforcing steel bar head from being damaged or skewed; after the open caisson tube sheet 10 is lowered in place, the bottom plate steel bars 3 on which the second sub-sleeves are installed are connected through the female sleeves, then the bottom plate steel bar frameworks are continuously bound, and finally the bottom plate concrete 4 is poured to obtain the structure shown in fig. 4.
Specifically, the exposed length of each cutting edge foot embedded rib 1 is 100mm, and the distance between two horizontally adjacent cutting edge foot embedded ribs 1 is 150mm.
A plurality of groups of blade foot embedded ribs 1 can be arranged in the notch 11, and each group of blade foot embedded ribs 1 are circumferentially and annularly arranged in the notch 11, and preferably, an upper group of blade foot embedded ribs 1 and a lower group of blade foot embedded ribs 1 are arranged in the notch 11; specifically, the thick bottom of the notch 11 is 800mm, and the distance between the corresponding upper and lower groups of blade foot embedded ribs 1 is 715mm.
The edge foot embedded rib 1 can be directly inserted into the open caisson tube piece 10, preferably, the edge foot embedded rib 1 is L-shaped, the embedded length of the edge foot embedded rib 1 in the open caisson tube piece 10 is increased, the edge foot embedded rib 1 is fixed more firmly, the edge foot embedded rib 1 is directly made of a straight reinforcing steel bar through bending, and threads are turned on the exposed end of the edge foot embedded rib 1; the cutter foot embedded bars 1 of the upper group and the cutter foot embedded bars 1 of the lower group are arranged symmetrically up and down, and the cutter foot embedded bars 1 are mechanically collided in the notch when the open caisson sinks, so that the cutter foot embedded bars 1 can be smoothly connected with the bottom plate steel bars 3 through the connector 2.
Optionally, the blade foot pre-buried rib 1 includes a vertical section and a horizontal section connected to the middle of the vertical section, and the horizontal section extends out of the notch 11, i.e. the blade foot pre-buried rib 1 may also be T-shaped.
According to the utility model, through the arrangement of the connector 2, the exposed blade foot embedded ribs 1 in the sinking process of the open caisson segment 10 can be protected, the embedded ribs are prevented from being damaged in the sinking process of the open caisson, the connector 2 is convenient to manufacture, simple to operate and detachable, the material cost is low, and the working efficiency and the construction quality of the bottom plate are improved.
It is to be understood that the above description is intended to be illustrative, and that the embodiments of the present utility model are not limited thereto. The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. The utility model provides a connection structure of open caisson bottom plate reinforcing bar and pre-buried muscle of cutting edge, includes open caisson section of jurisdiction (10) and bottom plate reinforcing bar (3), the bottom of open caisson section of jurisdiction (10) is provided with the cutting edge, notch (11), its characterized in that have been seted up to open caisson section of jurisdiction (10) inboard on cutting edge upper portion: the open caisson tube sheet (10) is internally provided with a cutting edge foot embedded rib (1), one end of the cutting edge foot embedded rib (1) horizontally extends out of the notch (11), the end part of the bottom plate steel bar (3) horizontally extends out, the cutting edge foot embedded rib (1) corresponds to the position of the bottom plate steel bar (3), and the cutting edge foot embedded rib (1) is connected with the end part of the bottom plate steel bar (3) through a connector (2).
2. The connection structure of caisson floor steel bars and blade foot embedded bars according to claim 1, wherein: the connector (2) adopts a straight thread sleeve, and the exposed length of the blade foot embedded rib (1) is 0.5-1 times of the length of the straight thread sleeve.
3. The connection structure of caisson floor steel bars and blade foot embedded bars according to claim 1, wherein: the connector (2) adopts a split type steel bar connecting sleeve, the split type steel bar connecting sleeve comprises a first sub-sleeve, a second sub-sleeve and a female sleeve, wherein the first sub-sleeve is in threaded connection with the exposed end of the blade foot embedded rib (1), the second sub-sleeve is in threaded connection with the end part of the bottom plate steel bar (3), the female sleeve is in threaded connection with the outer parts of the first sub-sleeve and the second sub-sleeve, and the outer diameter of the end part of the first sub-sleeve and the outer diameter of the end part of the second sub-sleeve are smaller than the minor diameter of the screw thread of the female sleeve.
4. The connection structure of caisson floor steel bars and blade foot embedded bars according to claim 1, wherein: the exposed length of the cutting edge foot embedded rib (1) is 100mm plus or minus 5mm.
5. The connection structure of caisson floor steel bars and blade foot embedded bars according to claim 1, wherein: the distance between two adjacent cutting edge foot embedded ribs (1) is 150mm plus or minus 5mm.
6. The connection structure of caisson floor steel bars and blade foot embedded bars according to claim 1, wherein: an upper group of blade foot embedded ribs (1) and a lower group of blade foot embedded ribs are arranged in the notch (11).
7. The connection structure of caisson floor steel bars and blade foot embedded bars according to claim 6, wherein: the distance between the upper and lower groups of blade foot embedded ribs (1) is 715mm plus or minus 5mm.
8. The connection structure of caisson floor steel bars and blade foot embedded bars according to claim 6, wherein: the cutting edge foot embedded ribs (1) are L-shaped, and the cutting edge foot embedded ribs (1) of the upper group and the cutting edge foot embedded ribs (1) of the lower group are arranged symmetrically up and down.
9. The connection structure of caisson floor steel bars and blade foot embedded bars according to claim 1, wherein: the blade foot embedded rib (1) comprises a vertical section and a horizontal section connected to the middle of the vertical section, and the horizontal section extends out of the notch (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323193229.5U CN221218869U (en) | 2023-11-22 | 2023-11-22 | Connecting structure of open caisson bottom plate steel bar and blade foot embedded steel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323193229.5U CN221218869U (en) | 2023-11-22 | 2023-11-22 | Connecting structure of open caisson bottom plate steel bar and blade foot embedded steel bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221218869U true CN221218869U (en) | 2024-06-25 |
Family
ID=91565619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323193229.5U Active CN221218869U (en) | 2023-11-22 | 2023-11-22 | Connecting structure of open caisson bottom plate steel bar and blade foot embedded steel bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221218869U (en) |
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2023
- 2023-11-22 CN CN202323193229.5U patent/CN221218869U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240627 Address after: 230022 No.96, Wangjiang East Road, Baohe District, Hefei City, Anhui Province Patentee after: CHINA TIESIJU CIVIL ENGINEERING GROUP Co.,Ltd. Country or region after: China Patentee after: THE MUNICIPAL ENGINEERING CO.,LTD. OF CTCE Group Patentee after: Municipal Engineering Branch Company of China Railway No.4 Engineering Group Co.,Ltd. Address before: 230022 No.96, Wangjiang East Road, Baohe District, Hefei City, Anhui Province Patentee before: CHINA TIESIJU CIVIL ENGINEERING GROUP Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |