CN215925847U - Pile top connecting structure of high-pile wharf - Google Patents
Pile top connecting structure of high-pile wharf Download PDFInfo
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- CN215925847U CN215925847U CN202122398829.XU CN202122398829U CN215925847U CN 215925847 U CN215925847 U CN 215925847U CN 202122398829 U CN202122398829 U CN 202122398829U CN 215925847 U CN215925847 U CN 215925847U
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Abstract
The utility model discloses a pile top connecting structure of a high-pile wharf, which comprises a prefabricated pile core pile cap containing a grouting channel and a grout stopping plate, a reinforcement cage above the pile cap, a transverse longitudinal beam, two layers of reinforcing steel bar net sheets above the reinforcement cage and a reinforced concrete panel, wherein the reinforcement cage is arranged above the pile cap; the reinforced concrete pile core pile cap is prefabricated in advance, and two grouting channels and two slurry overflowing channels are reserved in the pile cap; the transverse and longitudinal beams and the concrete panel are also prefabricated reinforced concrete members; bending the bottom steel bars at the ends of the cross beam and the longitudinal beam, and reserving shorter steel bars at the top layer and the waist part; pile cap top steel reinforcement cage contains many U type muscle and the peripheral stirrup of U type muscle, and whole ligature shaping in advance. The utility model has the advantages of prefabricated construction, no need of traditional welding operation on the whole, avoidance of mutual interference during the installation of the reinforcing steel bars at the end parts of the transverse and longitudinal beams, and improvement of the assembling degree and the construction efficiency.
Description
Technical Field
The utility model relates to the technical field of upper structure construction of an assembled high-pile wharf in hydraulic engineering. More particularly, the present invention relates to a pile-top connection structure for a high-pile wharf.
Background
The construction of ordinary high pile pier pile core pile cap is mostly cast-in-place, transfers pile core steel reinforcement cage earlier promptly, then pours pile core concrete. And after the strength of the pile core concrete meets the requirement, erecting a pile cap template, binding reinforcing steel bars and pouring pile cap concrete. And after the strength of the pile cap concrete meets the requirement, the cross beam and the longitudinal beam can be installed.
The connection between pile cap top crossbeam owner muscle and the connection between the longeron owner muscle are mostly overlap joint welding or with the help of an extra reinforcing bar welded connection, and are that a root goes on. However, the following disadvantages exist in such construction:
1) in the construction process, the pile cap is constructed after the pile core concrete reaches a certain strength. When the pile cap is constructed, a pile cap template needs to be erected, and the transverse and longitudinal beams can be installed only after the concrete reaches a certain strength, so that the whole construction time is long and the efficiency is low;
2) when crossbeam, longeron installation, its tip leaks the reinforcing bar outward and beats the frame easily, and the connection of crossbeam owner muscle and the connection of longeron owner muscle are mostly a root welded connection, and the efficiency of construction is low.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a pile head connection structure for a high-rise wharf, which is prefabricated and does not require conventional welding operations as a whole, prevents mutual interference when reinforcing bars are installed at ends of transverse and longitudinal beams, and improves the degree of assembly and construction efficiency.
To achieve these objects and other advantages in accordance with the purpose of the utility model, there is provided a pile top connection construction of a high pile wharf, including:
the pile core pile cap is prefabricated and formed in advance, a grout stop plate is fixed at the bottom of the pile core, the pile core is sleeved in the pipe pile and forms a grouting space with the inner wall of the pipe pile, the pile cap is provided with a plurality of grouting channels and grout overflow channels corresponding to the grouting space, the grouting space is filled with grout through the grouting channels, and reinforcing steel bars inside the pile core pile cap extend upwards to protrude out of the top surface;
the horizontal reinforcing steel bars at the end parts of the transverse and longitudinal beams extend outwards and protrude above the pile caps, the horizontal reinforcing steel bars at the bottommost layer extending and protruding from the transverse and longitudinal beams continue to extend and bend upwards, and vertical stirrups inside the transverse and longitudinal beams extend upwards and protrude out;
the reinforcement cage is integrally bound and molded, falls to the top surface of the pile cap and is fixedly positioned in the center of an area surrounded by the four transverse longitudinal beams, and wraps the bent reinforcements at the bottommost layer of the transverse longitudinal beams and the reinforcements extending upwards from the pile core pile cap;
a concrete panel which is prefabricated and formed in advance and is erected between adjacent transverse longitudinal beams;
and the concrete block is formed by pouring in a space formed by the concrete panel, the transverse longitudinal beam and the pile core pile cap and extends upwards to pour the top reinforcing steel bar of the transverse longitudinal beam into the space.
Preferably, still through the reinforcing bar net piece overlap joint of strengthening between the convex top reinforcing bar of a pair of crossbeam or longeron that sets up relatively, the reinforcing bar net piece sets up to upper and lower bilayer, and lower floor's reinforcing bar net piece is the short reinforcing bar, and upper reinforcing bar net piece is the logical long reinforcing bar.
Preferably, the steel reinforcement cage includes many U type muscle and peripheral stirrup, and many U type muscle are the matrix and distribute, and many U type muscle outsides are located to peripheral stirrup.
Preferably, the grout passageway sets up 4 with the excessive thick liquid passageway along the circumference interval of tubular pile top totally, and 2 of them are grout passageway, and 2 are excessive thick liquid passageway in addition.
Preferably, the top surface of the pile core pile cap is provided with a chiseling structure with different concave-convex shapes.
Preferably, the top and waist of the horizontal reinforcement protruding from the longitudinal and transverse beams are short, and do not interfere with the falling of the reinforcement cage.
The utility model at least comprises the following beneficial effects:
1. the pile core pile cap is prefabricated in advance, so that the processes of on-site formwork erecting and concrete pouring and waiting for the strength of concrete in the construction process are avoided, the labor consumption and the construction time are reduced, and the wharf assembly degree and the construction efficiency are improved;
2. according to the utility model, the whole reinforcement cage above the pile cap (except the reinforcement extending out of the pile cap) is bound and formed in advance and is hung above the pile cap for fixing, so that the binding and welding of one reinforcement cage on site are avoided, the time is saved, and the construction efficiency is high;
3. the reinforcing steel bars at the top and the waist of the end part of the transverse and longitudinal beam are short in leakage, the reinforcing steel bars at the bottom are long in leakage and are bent, so that the mutual interference between the reinforcing steel bars at the end part of the transverse and longitudinal beam and the reinforcing cage above the pile cap during installation is avoided, two rows of reinforcing steel bar net pieces are additionally arranged at the top of the reinforcing cage above the pile cap, and the integral strength of the structure is ensured.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic structural view of a pile core cap of the present invention before installation;
fig. 2 is a schematic view of the post-installation structure of the pile core cap of the present invention;
fig. 3 is a schematic structural view of the pile core cap of the present invention after installation and grouting;
FIG. 4 is an elevational view of the utility model after installation of the wale and wale;
FIG. 5 is a cross-sectional view taken along line 1-1 of FIG. 4 in accordance with the present invention;
fig. 6 is a schematic structural view of a reinforcement cage above a pile core cap of the present invention;
FIG. 7 is a cross-sectional view taken at 2-2 of FIG. 6 in accordance with the present invention;
fig. 8 is a schematic structural view of the present invention after installation of a reinforcement cage above a pile core cap;
FIG. 9 is a cross-sectional view taken at 3-3 of FIG. 8 in accordance with the present invention;
FIG. 10 is a schematic view of the bonded reinforcing mesh of the present invention;
FIG. 11 is a schematic diagram of the construction of the present invention after the placement of concrete blocks over the caps, the cross and longitudinal beams, and the concrete panels;
fig. 12 is a cross-sectional view of fig. 11 taken at 4-4 in accordance with the present invention.
Description of reference numerals:
1. pile core pile cap, 2, grout passageway, 3, tubular pile, 4, horizontal longitudinal beam, 5, grout space, 6, thick liquid, 7, steel reinforcement cage, 8, lower floor's reinforcing bar net piece, 9, upper reinforcing bar net piece, 10, concrete piece, 11, end thick liquid board, 12, concrete panel.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being 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 invention.
As shown in fig. 11 and 12, the present invention provides a pile top connection structure of a high pile wharf, including:
the pile core pile cap comprises a pile core pile cap 1 which is prefabricated and formed in advance, a grout stop plate 11 is fixed at the bottom of the pile core, the pile core is sleeved in a pipe pile 3 and forms a grouting space 5 with the inner wall of the pipe pile 3, the pile cap is provided with a plurality of grouting channels 2 and grout overflow channels corresponding to the grouting space 5, grout 6 is filled in the grouting space 5 through the grouting channels 2, and reinforcing steel bars inside the pile core pile cap 1 extend upwards to protrude out of the top surface;
the horizontal longitudinal beam 4 is prefabricated and formed in advance and comprises a pair of cross beams and a pair of longitudinal beams, the cross beams and the longitudinal beams are distributed in the centers of four sides of the top surface of the pile cap in a rectangular mode, two ends of the horizontal longitudinal beam 4 are respectively placed on adjacent pile caps, horizontal steel bars at the end parts of the horizontal longitudinal beam 4 outwards extend and protrude above the pile caps, the horizontal steel bars at the bottommost layer extending and protruding from the horizontal longitudinal beam 4 continue to extend and bend upwards, and vertical stirrups in the horizontal longitudinal beam upwards extend and protrude out of the pile caps;
the reinforcement cage 7 is integrally bound and molded, falls to the top surface of the pile cap and is fixedly positioned in the center of an area enclosed by the four transverse longitudinal beams 4, and wraps the bent reinforcements at the bottommost layer of the transverse longitudinal beams 4 and the reinforcements extending upwards from the pile core pile cap 1;
a concrete panel 12 which is prefabricated in advance and is laid between adjacent lateral longitudinal beams;
and the concrete block 10 is formed by pouring in a space formed by the concrete panel 12, the transverse and longitudinal beams 4 and the pile core pile cap 1 and extends upwards to pour the top steel bars of the transverse and longitudinal beams 4.
In the technical scheme, the reinforced concrete pile core pile cap 1 is prefabricated in advance, four grouting channels 2 are reserved in the pile cap, and the bottom of the pile cap is provided with a grout stop plate 11. The transverse and longitudinal beams 4 and the concrete panels 12 are also prefabricated reinforced concrete members. The whole reinforcement cage 7 above the pile cap is integrally bound and formed in advance, and is integrally hoisted by means of hoisting equipment on site and fixed together with the steel bars extending outwards from the top of the pile cap, so that the binding and welding of one pile on site are avoided, and the construction efficiency is improved.
The whole construction sequence is as follows: installing a precast reinforced concrete pile core pile cap 1 → grouting in a gap between a pile pipe 3 and a pile core grouting space 5 → installing a precast reinforced concrete transverse longitudinal beam → installing a reinforcement cage above the pile cap 7 → binding a double-layer reinforcement net sheet → installing a precast reinforced concrete panel 12 → pouring a concrete block 10 above the pile cap, above the transverse longitudinal beam 4 and the concrete panel 12.
In another kind of technical scheme, still through the reinforcing bar net piece overlap joint of strengthening between the convex top reinforcing bar of a pair of crossbeam or longeron that sets up relatively, the reinforcing bar net piece sets up to upper and lower bilayer, and lower floor's reinforcing bar net piece 8 is the short reinforcing bar, and upper reinforcing bar net piece 9 is the logical long reinforcing bar. The arrangement of the reinforcing mesh plays a role in reinforcing the strength of the whole structure.
In another technical solution, as shown in fig. 6 and 7, the reinforcement cage 7 includes a plurality of U-shaped ribs and a peripheral stirrup, the plurality of U-shaped ribs are distributed in a matrix, and the peripheral stirrup is surrounded outside the plurality of U-shaped ribs.
In another kind of technical scheme, grout passageway 2 sets up 4 with the circumference interval of excessive thick liquid passageway along tubular pile 3 tops, and wherein 2 are grout passageway, and 2 are excessive thick liquid passageways in addition, and tubular pile 3 is steel-pipe pile or concrete pipe pile.
In another technical scheme, the top surface of the pile core pile cap 1 is provided with a chiseling structure with different concave-convex parts, so that the adhesive force between the old concrete prefabricated in advance and the new cast-in-place concrete is increased.
In another technical scheme, the top and waist of the horizontal steel bars protruding from the transverse longitudinal beam 4 are short, and do not interfere with the falling of the steel bar cage 7.
The utility model also discloses a construction method for connecting the pile tops of the high-pile wharfs, which comprises the following steps:
s1: prefabricating a reinforced concrete pile core pile cap 1, a transverse and longitudinal beam 4 and a concrete panel 12 in advance, reserving a plurality of grouting channels 2 and slurry overflow channels in the pile core pile cap 1, extending steel bars in the pile core pile cap 1 upwards to the outside, extending horizontal steel bars and vertical stirrups of the transverse and longitudinal beam 4 to the outside, and bending the horizontal steel bars at the lowest layer of the transverse and longitudinal beam 4 upwards after extending to the outside; meanwhile, the reinforcement cage 7 is manufactured in advance, as shown in fig. 6 and 7;
s2: after the construction of the tubular pile 3 on the construction site is completed, as shown in fig. 1 and 2, a pile core pile cap 1 is lifted to a position right above the tubular pile 3 by means of lifting equipment, and a pile core is assembled in the tubular pile 3, so that a grouting space 5 is formed between the pile core and the tubular pile 3;
s3: as shown in fig. 3, the pile core pile cap 1 and the pipe pile 3 are connected into a whole by grouting slurry 6 into the grouting space 5 through the grouting channel 2 by grouting equipment;
s4: as shown in fig. 4 and 5, the prefabricated cross-girders 4 are installed to four sides of the pile cap by means of a jack-up device;
s5: as shown in fig. 8 and 9, a reinforcement cage 7 is installed on the pile cap, the reinforcement cage 7 is fixed with the external leakage reinforcement protruding from the top of the pile core pile cap 1, and the bending reinforcement at the lowest layer of the transverse and longitudinal beams 4 is positioned in the reinforcement cage 7;
s6: as shown in fig. 10, a lower layer of reinforcing mesh 8 and an upper layer of reinforcing mesh 9 are bound and installed between the reinforcing steel bars protruding from the tops of the adjacent longitudinal beams 4;
s7: installing the prefabricated reinforced concrete panel 12;
s8: as shown in fig. 11 and 12, concrete above the pile-core pile cap 1, the longitudinal beams 4 and the wharf concrete panel 12 is integrally poured to form a concrete block 10, so that the construction of the pile top connection of the high-pile wharf is completed.
While embodiments of the utility model have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (6)
1. A high-pile wharf pile top connection structure is characterized by comprising:
the pile core pile cap is prefabricated and formed in advance, a grout stop plate is fixed at the bottom of the pile core, the pile core is sleeved in the pipe pile and forms a grouting space with the inner wall of the pipe pile, the pile cap is provided with a plurality of grouting channels and grout overflow channels corresponding to the grouting space, the grouting space is filled with grout through the grouting channels, and reinforcing steel bars inside the pile core pile cap extend upwards to protrude out of the top surface;
the horizontal reinforcing steel bars at the end parts of the transverse and longitudinal beams extend outwards and protrude above the pile caps, the horizontal reinforcing steel bars at the bottommost layer extending and protruding from the transverse and longitudinal beams continue to extend and bend upwards, and vertical stirrups inside the transverse and longitudinal beams extend upwards and protrude out;
the reinforcement cage is integrally bound and molded, falls to the top surface of the pile cap and is fixedly positioned in the center of an area surrounded by the four transverse longitudinal beams, and wraps the bent reinforcements at the bottommost layer of the transverse longitudinal beams and the reinforcements extending upwards from the pile core pile cap;
a concrete panel which is prefabricated and formed in advance and is erected between adjacent transverse longitudinal beams;
and the concrete block is formed by pouring in a space formed by the concrete panel, the transverse longitudinal beam and the pile core pile cap and extends upwards to pour the top reinforcing steel bar of the transverse longitudinal beam into the space.
2. The pile-top connection structure of a high-pile wharf according to claim 1, wherein the top reinforcements protruding from the pair of oppositely arranged beams or longitudinal beams are overlapped through reinforcing steel meshes, the steel meshes are arranged in an upper-lower double layer, the lower layer of steel meshes is short reinforcements, and the upper layer of steel meshes is long reinforcements.
3. The pile-top connection structure of the high-pile wharf of claim 1, wherein the reinforcement cage comprises a plurality of U-shaped ribs and a peripheral stirrup, the plurality of U-shaped ribs are distributed in a matrix, and the peripheral stirrup surrounds the outer side of the plurality of U-shaped ribs.
4. The pile-top connection structure of a high-pile wharf according to claim 1, wherein the grouting passage and the grout overflow passage are arranged in 4 at intervals along the circumferential direction above the pipe pile, 2 of the grouting passages and the other 2 of the grouting passages are grout overflow passages.
5. The pile-top connection structure of a high-pile wharf of claim 1, wherein the top surface of the pile core pile cap is provided with a different roughened structure.
6. The piled wharf pile top connection structure of claim 1, wherein the horizontal reinforcement top and waist portions protruding from the cross member are short and do not interfere with the cage fall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122398829.XU CN215925847U (en) | 2021-09-30 | 2021-09-30 | Pile top connecting structure of high-pile wharf |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122398829.XU CN215925847U (en) | 2021-09-30 | 2021-09-30 | Pile top connecting structure of high-pile wharf |
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| CN215925847U true CN215925847U (en) | 2022-03-01 |
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| CN202122398829.XU Active CN215925847U (en) | 2021-09-30 | 2021-09-30 | Pile top connecting structure of high-pile wharf |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753299A (en) * | 2022-04-21 | 2022-07-15 | 中交第二航务工程局有限公司 | Pile-cap-free fully-assembled wharf structure and construction method thereof |
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2021
- 2021-09-30 CN CN202122398829.XU patent/CN215925847U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753299A (en) * | 2022-04-21 | 2022-07-15 | 中交第二航务工程局有限公司 | Pile-cap-free fully-assembled wharf structure and construction method thereof |
| CN114753299B (en) * | 2022-04-21 | 2023-04-18 | 中交第二航务工程局有限公司 | Pile-cap-free fully-assembled wharf structure and construction method thereof |
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