CN219080391U - Prefabricated split type concrete sleeve box - Google Patents
Prefabricated split type concrete sleeve box Download PDFInfo
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- CN219080391U CN219080391U CN202223557482.XU CN202223557482U CN219080391U CN 219080391 U CN219080391 U CN 219080391U CN 202223557482 U CN202223557482 U CN 202223557482U CN 219080391 U CN219080391 U CN 219080391U
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Abstract
The utility model relates to a prefabricated split type concrete box, which comprises a box body formed by assembling a plurality of prefabricated blocks, wherein the box body comprises a bottom plate and side plates, the prefabricated blocks of the box body are fixedly connected through a plurality of tensioning bolt assemblies, rubber water stop strips are arranged at joints of the prefabricated blocks of the box body, a plurality of bracket assemblies are lapped at the bottom of the box body, and a mounting hole is formed in the bottom plate of the box body corresponding to each bracket assembly. The prefabricated block joint of the sleeve box body is provided with a laterally arranged trapezoidal clamping groove, and the rubber water stop strip is arranged in the trapezoidal clamping groove corresponding to the two adjacent prefabricated blocks. The prefabricated concrete box is a prefabricated block concrete structure, and is spliced to form a unified whole, so that the construction is convenient, large-scale construction equipment is not needed, and the construction cost is reduced compared with that of the traditional steel box and the integral concrete box; the requirements on offshore construction operation are low, and the construction quality of the pier structure in the open sea non-shielding state can be improved; the scale can be flexibly adjusted.
Description
Technical Field
The utility model relates to the technical field of construction templates of bridge approach pier structures, in particular to a prefabricated split type concrete sleeve box.
Background
In open sea wharfs, the solid high pile pier structure is widely applied, but as wharf engineering gradually tends to be large-scale and deeply hydrated, the pier is in an open sea tide level fluctuation area or a splash area, the construction technology difficulty is high, the safety risks of operators and engineering structures are high, the conventional process for pouring pier concrete by using a common bottom-laying supporting template cannot meet the development requirements, and the corresponding box process is used as a template construction pier.
The traditional process of the jacket is divided into a steel jacket and a concrete jacket. The construction process of the steel sleeve box with the bottom is a mature offshore pier concrete cast-in-situ process, but the efficiency is lower, the construction period of a single bearing platform is long, the turnover of the steel sleeve box once needs more than 40 days, the construction cost is high, the offshore construction difficulty is high, and the external anti-corrosion treatment of the bearing platform is difficult. The integral concrete sleeve can improve the corrosion resistance of the pier, the sleeve is taken as a whole and can be directly placed on a pile foundation for accelerating the construction speed, but the integral concrete sleeve is limited by the lifting capacity of a crane ship, and for larger-size piers, the integral concrete sleeve has heavier weight and can not be lifted by the crane ship.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a prefabricated split type concrete sleeve box.
The utility model adopts the following technical scheme to realize the aim:
the utility model provides a prefabricated split type concrete cover case, includes the cover case body that is formed by the equipment of a plurality of prefabricated partition, and the cover case body includes bottom plate and curb plate, connects fixedly through a plurality of tensioning bolt subassembly between the prefabricated partition of cover case body, and the prefabricated partition seam crossing of cover case body is equipped with the rubber sealing strip, and cover case body bottom overlap joint has a plurality of bracket subassemblies, corresponds every bracket subassembly on the bottom plate of cover case body and all is equipped with a mounting hole.
The prefabricated block joint of the sleeve box body is provided with a laterally arranged trapezoidal clamping groove, and the rubber water stop strip is arranged in the trapezoidal clamping groove corresponding to the two adjacent prefabricated blocks.
Each prefabricated partition of the sleeve body comprises a partition bottom plate and partition side plates, the partition bottom plates of all prefabricated partitions jointly form the bottom plate of the sleeve body, and the partition side plates of all prefabricated partitions jointly enclose the side plates of the sleeve body.
The block bottom plate and the block side plates are provided with a plurality of lifting holes.
Each tensioning bolt assembly comprises butt joint plates which are respectively arranged on two adjacent prefabricated sub-blocks at two sides of a splicing seam, a tensioning bolt is arranged between the two butt joint plates in a penetrating mode, and tensioning nuts are screwed at two ends of the tensioning bolt.
The bracket component comprises a bracket precast slab, the top of the bracket precast slab is provided with a standing pier which is inserted in the mounting hole, the bottom of the bracket precast slab is provided with a steel pipe pile, the area of the bracket precast slab is larger than that of the mounting hole, and the bracket precast slab is closely supported at the bottom of the box body.
The prefabricated section of the case body includes a first prefabricated section on the right side, two prefabricated sections on the left front side and the left rear side, a third prefabricated section on the left middle part, and the first prefabricated section, the second prefabricated section and the third prefabricated section are connected through a tensioning bolt assembly.
The beneficial effects of the utility model are as follows: the prefabricated concrete box is a prefabricated block concrete structure, and is spliced to form a unified whole, so that the construction is convenient, large-scale construction equipment is not needed, and the construction cost is reduced compared with that of the traditional steel box and the integral concrete box; the requirements on offshore construction operation are low, and the construction quality of the pier structure in the open sea non-shielding state can be improved; the scale can be flexibly adjusted according to the requirements of construction machinery; by adopting the prefabricated structure, each component can be connected through the tensioning bolt assembly, the whole structure is simple in installation and construction, high in construction efficiency and capable of shortening the construction period.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a plan view of the present utility model;
FIG. 3 is a schematic view of the structure of the case body according to the present utility model;
FIG. 4 is a schematic view of a trapezoid clamping groove and a rubber water stop strip in a prefabricated block splice seam of the utility model;
in the figure: 1-a sleeve box body; 2-tensioning a bolt assembly; 3-rubber water stop strips; 4-bracket assembly; 5-mounting holes; 6-trapezoid clamping grooves;
101-partitioning a bottom plate; 102-partitioning side plates; 103-lifting holes;
201-butt plate; 202-tensioning a bolt; 203-tensioning the nut;
401-bracket precast slabs; 402-standing bridge piers; 403-steel pipe piles;
the embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1 to 4, a prefabricated split type concrete casing comprises a casing body 1 formed by assembling a plurality of prefabricated blocks, wherein the casing body 1 comprises a bottom plate and side plates, the prefabricated blocks of the casing body 1 are fixedly connected through a plurality of tensioning bolt assemblies 2, rubber water stop strips 3 are arranged at joints of the prefabricated blocks of the casing body 1, a plurality of bracket assemblies 4 are lapped at the bottom of the casing body 1, and a mounting hole 5 is formed in the bottom plate of the casing body 1 corresponding to each bracket assembly 4.
The prefabricated block joint of the sleeve box body 1 is provided with a laterally arranged trapezoidal clamping groove 6, and the rubber water stop strip 3 is arranged in the trapezoidal clamping groove 6 corresponding to the two adjacent prefabricated blocks.
Each prefabricated partition of the sleeve body 1 comprises a partition bottom plate 101 and partition side plates 102, the partition bottom plates 101 of all prefabricated partitions jointly form a bottom plate of the sleeve body 1, and the partition side plates 102 of all prefabricated partitions jointly enclose the side plates of the sleeve body 1.
The block bottom plate 101 and the block side plate 102 are provided with a plurality of lifting holes 103.
Each tensioning bolt assembly 2 comprises abutting plates 201 which are respectively arranged on two adjacent prefabricated sub-blocks at two sides of a splicing seam, a tensioning bolt 202 is arranged between the two abutting plates 201 in a penetrating mode, and tensioning nuts 203 are screwed at two ends of the tensioning bolt 202.
The bracket component 4 comprises a bracket precast slab 401, a standing pier 402 which is inserted in the mounting hole 5 is arranged at the top of the bracket precast slab 401, steel pipe piles 403 are arranged at the bottom of the bracket precast slab, the area of the bracket precast slab 401 is larger than that of the mounting hole 5, and the bracket precast slab 401 is closely supported at the bottom of the sleeve box body 1.
The prefabricated partition of the box body 1 comprises a first prefabricated partition on the right side, two second prefabricated partitions on the left front side and the left rear side, and a third prefabricated partition on the left middle part, wherein the first prefabricated partition, the second prefabricated partition and the third prefabricated partition are connected through a tensioning bolt assembly 2.
The prefabricated split type concrete sleeve box structure is a novel concrete sleeve box structure type, the requirements of high construction efficiency, light weight of prefabricated split type concrete, convenience in hoisting, guarantee of construction quality and personnel safety are considered, improvement and innovation are carried out on a traditional stack pier template structure, the integral type concrete sleeve box is divided into a plurality of prefabricated blocks, the sleeve box is formed into a whole through the rubber water stop belt 3 and the tensioning bolt assembly 2, the influence of lifting capacity limitation of ship machine equipment is avoided, the construction period is shortened, the construction quality is guaranteed, and binding steel bars can be used for pouring concrete after installation and reinforcement are completed.
The prefabricated partition of the box body 1 adopts a reinforced concrete structure, and the partition scale is mainly determined by the lifting capacity of the crane ship and the self bearing capacity. The dimension of the mounting holes 5 of the segmented bottom plate 101 corresponding to the positions of the steel pipe piles 403 is determined by the arrangement of the steel pipe piles 403 and the pile diameter, and for inclined piles, the mounting holes 5 can be arranged in an elliptical shape along the pile axis direction.
In the prefabrication process, a hoisting hole 103 is reserved on a block bottom plate 101 and a block side plate 102 of the prefabricated block in advance according to hoisting requirements, a hoisting ship is used for hoisting and placing, the position of the hoisting hole 103 is determined by calculation, and plugging measures are needed for the hoisting hole 103 before internal concrete is poured after hoisting is finished.
The prefabricated partition is placed on a bracket prefabricated plate 401 of the steel pipe pile 403, the bracket prefabricated plate 401 is welded on the side wall of the steel pipe pile 403, the prefabricated partition is of a square steel structure, the overlap joint length of the prefabricated partition is not less than 200mm, and after the prefabricated partition is placed and assembled, bottom sealing concrete is poured.
And a water stop groove is formed in the parting position of the prefabricated partition, the water stop groove is a trapezoid clamping groove 6, and the water stop 3 is placed after the prefabricated partition is placed. The tension bolt 202 is then passed through the abutment plate 201 and tightened by the tension nut 203, the thickness of the bolt hole structure not being greater than the thickness of the protective layer of the permanent structure inside the box.
The utility model aims to provide a prefabricated split type concrete box structure, which can reduce occupation of large-scale equipment in the structure, reduce construction measure cost, improve construction efficiency and shorten implementation period through innovation of a conventional structure.
The novel prefabricated split concrete box structure is required to be combined with pile foundation arrangement conditions and crane ship lifting capacity to divide the size of prefabricated blocks and the positions of the lifting holes 103, so that the lifting requirements are met; according to the actual positions, the number and the diameters of the steel pipe piles 403 at the lower part of the abutment, holes are formed in the positions of the segmented bottom plates 101, so that the placing requirements are met; burying rubber strips 3 at the precast block concrete structures, and connecting the precast block concrete structures through tensioning bolt assemblies 2 to meet the water stop requirement in the construction period; and determining the thickness and reinforcement condition of the prefabricated block according to the bearing capacity of the prefabricated block in the construction period, and meeting the use requirement of the concrete box in the construction period of the block.
The utility model has the following advantages and positive effects:
the structure is a prefabricated block concrete structure, forms a unified whole through splicing, is convenient to construct, does not need large-scale construction equipment, and reduces the engineering cost compared with the traditional steel sleeve box and integral concrete sleeve box structure.
The construction requirements of the structure on offshore construction operation are low, and the construction quality of the pier structure in the open sea non-shielding state can be improved.
The dimension of the prefabricated part can be flexibly adjusted according to the requirements of construction machinery.
The structure adopts a prefabricated structure, all components can be connected through the tensioning bolt assembly 2, the installation and construction of the whole structure are simple, the construction efficiency is high, and the construction period can be shortened.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is intended to cover various modifications, either made by the method concepts and technical solutions of the utility model, or applied directly to other applications without modification, within the scope of the utility model.
Claims (7)
1. The utility model provides a prefabricated split type concrete cover case, a serial communication port, include the cover case body (1) that is formed by the equipment of a plurality of prefabricated partition, cover case body (1) include bottom plate and curb plate, connect fixedly through a plurality of tensioning bolt subassembly (2) between the prefabricated partition of cover case body (1), the prefabricated partition seam crossing of cover case body (1) is equipped with rubber sealing strip (3), cover case body (1) bottom overlap joint has a plurality of bracket subassemblies (4), correspond every bracket subassembly (4) on the bottom plate of cover case body (1) and all be equipped with one mounting hole (5).
2. The prefabricated split type concrete casing according to claim 1, wherein a side-mounted trapezoid clamping groove (6) is formed in a prefabricated block joint of the casing body (1), and the rubber water stop strip (3) is arranged in the trapezoid clamping groove (6) corresponding to two adjacent prefabricated blocks.
3. A prefabricated split concrete casing according to claim 2, characterized in that each prefabricated segment of the casing body (1) comprises a segment bottom plate (101) and a segment side plate (102), all prefabricated segment block bottom plates (101) together form the bottom plate of the casing body (1), and all prefabricated segment block side plates (102) together enclose the side plates of the casing body (1).
4. A prefabricated split type concrete casing according to claim 3, wherein a plurality of hoisting holes (103) are formed in the split bottom plate (101) and the split side plates (102).
5. The precast split type concrete casing according to claim 4, wherein each tensioning bolt assembly (2) comprises two butt plates (201) which are respectively arranged on two adjacent precast segments at two sides of a splicing seam, a tensioning bolt (202) is arranged between the two butt plates (201) in a penetrating manner, and tensioning nuts (203) are screwed at two ends of the tensioning bolt (202).
6. The precast split type concrete encasement of claim 5, wherein the bracket assembly (4) comprises a bracket precast slab (401), a standing pier (402) inserted in the mounting hole (5) is arranged at the top of the bracket precast slab (401), steel pipe piles (403) are arranged at the bottom of the bracket precast slab, the area of the bracket precast slab (401) is larger than that of the mounting hole (5), and the bracket precast slab (401) is closely supported at the bottom of the encasement body (1).
7. The prefabricated split type concrete casing according to claim 6, wherein the prefabricated segments of the casing body (1) comprise a first prefabricated segment on the right side, two second prefabricated segments on the left front side and the left rear side, and a third prefabricated segment on the left middle part, and the first prefabricated segment, the second prefabricated segment and the third prefabricated segment are connected through the tensioning bolt assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223557482.XU CN219080391U (en) | 2022-12-30 | 2022-12-30 | Prefabricated split type concrete sleeve box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223557482.XU CN219080391U (en) | 2022-12-30 | 2022-12-30 | Prefabricated split type concrete sleeve box |
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| Publication Number | Publication Date |
|---|---|
| CN219080391U true CN219080391U (en) | 2023-05-26 |
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ID=86405526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223557482.XU Active CN219080391U (en) | 2022-12-30 | 2022-12-30 | Prefabricated split type concrete sleeve box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219080391U (en) |
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2022
- 2022-12-30 CN CN202223557482.XU patent/CN219080391U/en active Active
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