CN221142447U - Mortise and tenon type prefabricated assembled bent cap - Google Patents
Mortise and tenon type prefabricated assembled bent cap Download PDFInfo
- Publication number
- CN221142447U CN221142447U CN202323201195.XU CN202323201195U CN221142447U CN 221142447 U CN221142447 U CN 221142447U CN 202323201195 U CN202323201195 U CN 202323201195U CN 221142447 U CN221142447 U CN 221142447U
- Authority
- CN
- China
- Prior art keywords
- bent cap
- mortise
- holes
- prefabricated assembled
- cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009417 prefabrication Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 239000011440 grout Substances 0.000 claims description 16
- 239000002002 slurry Substances 0.000 claims description 13
- 230000006978 adaptation Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 239000004570 mortar (masonry) Substances 0.000 abstract description 10
- 230000002787 reinforcement Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model belongs to the technical field of bridge prefabrication and assembly, and particularly relates to a mortise type prefabrication and assembly bent cap, which comprises a first bent cap and a second bent cap, wherein a connecting groove structure is arranged at one end of the first bent cap, a connector structure is arranged at one end of the second bent cap, the connecting groove structure is matched with the connector structure, a filling structure is arranged on the side wall of the second bent cap, the filling structure is communicated with the connecting groove structure, and prestress structures are arranged on the first bent cap and the second bent cap. When the utility model is used, the first cover beam and the second cover beam are prefabricated, and the first cover beam and the second cover beam are assembled through the connecting groove structure and the connector structure, so that the site construction operation is convenient; the first bent cap and the second bent cap are filled with high-strength mortar, so that the structural integrity and the stress performance can be effectively improved.
Description
Technical Field
The utility model belongs to the technical field of bridge prefabrication and assembly, and particularly relates to a mortise and tenon type prefabrication and assembly bent cap.
Background
The prefabricated assembled capping beam gradually replaces the traditional cast-in-situ reinforced concrete capping beam due to the problems of long construction period, difficult guarantee of concrete quality, interference with existing traffic and the like. The prefabricated assembled bent cap refers to a reinforced concrete bent cap which is prefabricated by sections in a factory and then the sections are connected together to form a whole at a construction site.
When the existing prefabricated assembled bent cap is constructed on site, the two ends of the bent cap are still connected by a wet connection method in the middle section of the bent cap or in the connecting area of the bent cap, so that the bent cap forms a whole. The strength of the wet joint is one of the key problems of the wet joint method of the prefabricated bent cap, and the quality and the strength of the wet joint are difficult to be completely ensured due to the limitation of construction environment and the change of field conditions. This may lead to peeling, cracking or reduced load carrying capacity at the seams.
Disclosure of utility model
The utility model aims to provide a mortise and tenon type prefabricated assembled bent cap, so as to solve the problems and achieve the purpose of improving the strength of the bent cap.
In order to achieve the above object, the present utility model provides the following solutions:
The utility model provides a bent cap is assembled in prefabrication of mortise type, includes first bent cap and second bent cap, the one end of first bent cap is provided with the spread groove structure, the one end of second bent cap is provided with connector structure, the spread groove structure with connector structure looks adaptation, be provided with filling structure on the lateral wall of second bent cap, filling structure with spread groove structure intercommunication, wear to be equipped with prestressing force structure between first bent cap, the second bent cap.
Preferably, the connecting groove structure comprises a mortise formed in one end of the first capping beam, the mortise is matched with the connector structure, a plurality of first mounting holes are formed in the end portion of the first capping beam, connecting steel bars are fixedly connected in the first mounting holes, and one ends of the connecting steel bars extend out of the first mounting holes and are correspondingly arranged with the filling structure.
Preferably, the connector structure comprises a tenon fixedly connected with one end of the second capping beam, and the tenon is matched with the mortise.
Preferably, the filling structure comprises a plurality of half grouting sleeve groups fixedly connected in the second bent cap, the plurality of half grouting sleeve groups are arranged along the height direction of the second bent cap, the plurality of half grouting sleeve groups are respectively positioned at the top end and the bottom end of the second bent cap, two adjacent half grouting sleeve groups are communicated with each other, each half grouting sleeve group comprises a plurality of half grouting sleeves arranged along the length direction of the second bent cap, two upper and lower adjacent half grouting sleeves are communicated with each other, one end of each half grouting sleeve penetrates out of the second bent cap and corresponds to the connecting steel bars, a plurality of grouting openings and slurry discharging openings are respectively formed in two opposite side walls of the second bent cap, and the grouting openings and the slurry discharging openings are communicated with the half grouting sleeves positioned at the end parts.
Preferably, one end of the half grouting sleeve, which is far away from the connecting steel bars, is in threaded connection with a threaded steel bar, and the threaded steel bar is fixedly connected with the inner wall of the second bent cap.
Preferably, the prestress structure comprises a plurality of first through holes and second through holes, the first through holes and the second through holes are coaxially arranged and communicated, the first through holes are formed in the first bent cap, the second through holes Kong Kaishe are formed in the second bent cap, prestress steel strands are arranged between the first through holes and the second through holes in a penetrating mode, and two ends of the prestress steel strands penetrate through the first through holes, the second through holes in a distributed mode and are fixedly connected with anchor devices.
Preferably, a slurry inlet is formed in the side wall of the first capping beam, and the slurry inlet is communicated with the mortises and the first mounting holes.
Compared with the prior art, the utility model has the following advantages and technical effects:
The first bent cap and the second bent cap are prefabricated, and the first bent cap and the second bent cap are assembled through the connecting groove structure and the connector structure, so that the site construction operation is convenient, the site construction efficiency is improved, and the construction period can be reduced;
The first bent cap and the second bent cap are filled with high-strength mortar, so that the structural integrity and the stress performance can be effectively improved. When the high-strength mortar reaches a certain strength, the prestress structure is stretched, the prestress structure can enable the first bent cap and the second bent cap to be connected more tightly, and the first bent cap and the second bent cap can have higher bending resistance and higher shearing resistance.
Drawings
For a clearer description of an embodiment of the utility model or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic top view of the overall structure of the present utility model;
FIG. 4 is a schematic view of the overall bottom view of the present utility model;
fig. 5 is a schematic structural view of the connecting bar of the present utility model.
Wherein, 1, pier; 2. a first capping beam; 3. a tenon; 4. a semi-grouting sleeve; 5. a grouting port; 6. a slurry discharge port; 7. a slurry inlet; 8. screw-thread steel bar; 9. high-strength mortar; 10. a second capping beam; 11. prestress steel strand; 12. an anchor; 13. and connecting the steel bars.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-5, the utility model provides a mortise type prefabricated assembled bent cap, which comprises a first bent cap 2 and a second bent cap 10, wherein one end of the first bent cap 2 is provided with a connecting groove structure, one end of the second bent cap 10 is provided with a connector structure, the connecting groove structure is matched with the connector structure, the side wall of the second bent cap 10 is provided with a filling structure, the filling structure is communicated with the connecting groove structure, and a prestress structure is arranged between the first bent cap 2 and the second bent cap 10 in a penetrating way.
The first bent cap 2 and the second bent cap 10 are prefabricated, and the first bent cap 2 and the second bent cap 10 are assembled through the connecting groove structure and the connector structure, so that site construction operation is facilitated, site construction efficiency is improved, and construction period can be reduced;
By filling the first bent cap 2 and the second bent cap 10 with high-strength mortar, the structural integrity and the stress performance can be effectively improved. When the high-strength mortar reaches a certain strength, the prestress structure is stretched, so that the first bent cap 2 and the second bent cap 10 can be tightly connected, and the first bent cap 2 and the second bent cap 10 have higher bending resistance and shear bearing capacity.
Further optimizing scheme, the spread groove structure is including seting up the tongue-and-groove in 2 one ends of first bent cap, and tongue-and-groove and connector structure looks adaptation have been seted up a plurality of first mounting holes to the tip of first bent cap 2, fixedly connected with connecting reinforcement 13 in the first mounting hole, and the one end of a plurality of connecting reinforcement 13 stretches out first mounting hole and corresponds the setting with filling structure.
Further optimizing scheme, connector structure includes tenon 3 of fixed connection in second bent cap 10 one end, tenon 3 and tongue-and-groove looks adaptation.
Further optimizing scheme, the filling structure includes a plurality of half grout sleeve groups of fixed connection in second bent cap 10, a plurality of half grout sleeve groups set up along the direction of height of second bent cap 10, a plurality of half grout sleeve groups are located the top and the bottom of second bent cap 10 respectively, communicate between the two adjacent half grout sleeve groups, half grout sleeve group includes a plurality of half grout sleeve 4 that set up along the length direction of second bent cap 10, communicate between two upper and lower adjacent half grout sleeve 4, the second bent cap 10 is worn out to the one end of half grout sleeve 4 and corresponds the setting with connecting reinforcement 13, a plurality of grout mouths 5 have all been seted up on the opposite both sides wall of second bent cap 10, grout outlet 6, grout outlet 5, grout outlet 6 communicates with the half grout sleeve 4 that is located the tip.
Further optimizing scheme, the one end threaded connection that half grout sleeve 4 kept away from connecting reinforcement 13 has deformed bar 8, and deformed bar 8 fixed connection is at the inner wall of second bent cap 10.
Further optimizing scheme, prestressing force structure includes a plurality of first through-holes and second through-hole, and first through-hole and the coaxial setting of second through-hole and intercommunication, and inside first bent cap 2 was seted up to a plurality of first through-holes, inside second bent cap 10 was seted up to a plurality of second through-holes, wears to be equipped with prestressing force steel strand wires 11 between first through-hole, the second through-hole, and prestressing force steel strand wires 11's both ends distribution wears out first through-hole, second through-hole and fixedly connected with ground tackle 12.
According to a further optimization scheme, a slurry inlet 7 is formed in the side wall of the first bent cap 2, and the slurry inlet 7 is communicated with the mortises and the first mounting holes.
The working process of the utility model is as follows:
After pouring of the bridge pier 1 is completed, the first bent cap 2 and the second bent cap 10 are hoisted to the top surface of the bridge pier 1 to be connected with the bridge pier 1, when the bridge pier 1 is connected with the first bent cap 2 and the second bent cap 10, the bridge pier 1 steel bars are required to be aligned with the pore channels of the first bent cap 2 and the second bent cap 10, if the first bent cap 2 and the second bent cap 10 are too long, temporary spliced struts can be built at two ends of the first bent cap 2 and the second bent cap 10 in advance by steel pipes so as to stabilize the first bent cap 2 and the second bent cap 10.
When the first bent cap 2 and the second bent cap 10 are set, fine adjustment is performed so that the mortise and tenon 3 are spliced, and the connection reinforcing steel 13 is inserted into the half grouting sleeve 4. After the splicing is completed, the high-strength mortar 9 is injected into the gaps between the half grouting sleeve 4 and the tenon groove and the tenon 3 from the grouting opening 5 and the slurry inlet 7, the strength of the high-strength mortar 9 which is usually adopted is larger than 80MPa, the half grouting sleeve 4 is filled when the high-strength mortar 9 flows out from the slurry outlet 6, and the gap between the tenon groove and the tenon 3 is filled when the high-strength mortar flows out from the slurry inlet 7. When the designed concrete strength reaches about 90% of the designed strength, the prestressed steel strands 11 are tensioned, so that the first bent cap 2 and the second bent cap 10 are connected as a whole. The desired strength can be achieved when the connection is made in one piece, about one month later.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (7)
1. The utility model provides a bent cap is assembled in prefabrication of mortise type, its characterized in that, including first bent cap (2) and second bent cap (10), the one end of first bent cap (2) is provided with the spread groove structure, the one end of second bent cap (10) is provided with connector structure, the spread groove structure with connector structure looks adaptation, be provided with filling structure on the lateral wall of second bent cap (10), filling structure with spread groove structure intercommunication, wear to be equipped with prestressing force structure between first bent cap (2), the second bent cap (10).
2. The mortise and tenon type prefabricated assembled bent cap of claim 1, wherein the connecting groove structure comprises a mortise formed in one end of the first bent cap (2), the mortise is matched with the connector structure, a plurality of first mounting holes are formed in the end portion of the first bent cap (2), connecting steel bars (13) are fixedly connected in the first mounting holes, and one ends of the connecting steel bars (13) extend out of the first mounting holes and are correspondingly arranged with the filling structure.
3. The mortise and tenon type prefabricated assembled bent cap according to claim 2, characterized in that the connector structure comprises a tenon (3) fixedly connected to one end of the second bent cap (10), and the tenon (3) is matched with the mortise.
4. The mortise type prefabricated assembled bent cap of claim 2, wherein the filling structure comprises a plurality of half grouting sleeve groups fixedly connected in the second bent cap (10), the half grouting sleeve groups are arranged along the height direction of the second bent cap (10), the half grouting sleeve groups are respectively positioned at the top end and the bottom end of the second bent cap (10), two adjacent half grouting sleeve groups are communicated, each half grouting sleeve group comprises a plurality of half grouting sleeves (4) arranged along the length direction of the second bent cap (10), two upper and lower adjacent half grouting sleeves (4) are communicated, one end of each half grouting sleeve (4) penetrates out of the second bent cap (10) and is correspondingly arranged with the connecting steel bars (13), and a plurality of grouting ports (5) and grout discharging ports (6) are respectively arranged on two opposite side walls of the second bent cap (10), and each grouting port (5), each grout discharging port (6) is communicated with the half grouting sleeve (4) positioned at the end.
5. The mortise and tenon type prefabricated assembled bent cap of claim 4, wherein one end of the half grouting sleeve (4) far away from the connecting steel bar (13) is in threaded connection with a threaded steel bar (8), and the threaded steel bar (8) is fixedly connected to the inner wall of the second bent cap (10).
6. The mortise type prefabricated assembled bent cap of claim 1, wherein the prestress structure comprises a plurality of first through holes and second through holes, the first through holes and the second through holes are coaxially arranged and communicated, the first through holes are formed in the first bent cap (2), the second through holes Kong Kaishe are formed in the second bent cap (10), prestress steel strands (11) are arranged between the first through holes and the second through holes in a penetrating mode, and two ends of the prestress steel strands (11) penetrate through the first through holes, the second through holes and are fixedly connected with an anchor (12).
7. The mortise type prefabricated assembled bent cap of claim 2, wherein a slurry inlet (7) is formed in the side wall of the first bent cap (2), and the slurry inlet (7) is communicated with the mortise and the first mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323201195.XU CN221142447U (en) | 2023-11-24 | 2023-11-24 | Mortise and tenon type prefabricated assembled bent cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323201195.XU CN221142447U (en) | 2023-11-24 | 2023-11-24 | Mortise and tenon type prefabricated assembled bent cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221142447U true CN221142447U (en) | 2024-06-14 |
Family
ID=91427392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323201195.XU Active CN221142447U (en) | 2023-11-24 | 2023-11-24 | Mortise and tenon type prefabricated assembled bent cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221142447U (en) |
-
2023
- 2023-11-24 CN CN202323201195.XU patent/CN221142447U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107905363B (en) | A kind of full assembled concrete nodal point connecting and connection method based on energy consumption with shearing resistance | |
| CN106284655A (en) | Precast concrete beam stud connects node and method of attachment in succession | |
| CN110792164A (en) | Transverse assembling device and method for assembled shear wall | |
| CN109356281A (en) | A kind of prefabricated reinforcing bar-combined concrete shear wall splicing apparatus and application method | |
| CN221142447U (en) | Mortise and tenon type prefabricated assembled bent cap | |
| CN212926718U (en) | Prefabricated horizontal grouting sleeve connecting wall unit and wall | |
| CN211200815U (en) | Assembled RC shear wall structure with vertically connected U-shaped cuffs | |
| CN219410510U (en) | Steel-ultra-high performance concrete composite structure | |
| CN210151599U (en) | Hollow slab beam | |
| CN111719693A (en) | Prestress assembly type steel-concrete sleeved beam-column joint | |
| CN208718077U (en) | A kind of assembled beam-column construction | |
| CN108729466B (en) | Large formwork supporting method for constructing anchor-free concrete retaining wall | |
| CN106638954A (en) | Beam column joints with long rod bolts penetrating through beam side widening region and joint connecting method | |
| CN217580753U (en) | Assembly type cast-in-place concrete formwork-removal-free steel bar truss floor bearing plate and floor system | |
| CN102852142B (en) | A kind of pretensioned prestressing fender post | |
| CN115772848A (en) | Single-layer reinforcement hollow prefabricated pier with built-in metal corrugated pipe | |
| CN105625571B (en) | The precast concrete bean column node of strength prestressed muscle in a kind of use | |
| CN212201013U (en) | Novel underground factory building bridge crane girder bearing platform structure | |
| CN108643350A (en) | A kind of prefabricated assembled concrete continuous beam is bolted dry type node | |
| CN101314947B (en) | Foundation pit support using artificial hole digging pile and construction method thereof | |
| CN209099518U (en) | A kind of prefabricated reinforcing bar-combined concrete shear wall splicing apparatus | |
| CN210887572U (en) | Mixed reinforcement embedded low-prestress dry beam-column joint | |
| CN107201782A (en) | A kind of wall of assembled architecture, floor connecting node and method | |
| CN209227784U (en) | Wall and Liangping face external link structure and assembled arthitecutral structure system | |
| CN217974760U (en) | Assembled concrete member node connecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |