CN209975745U - Connection structure of assembled prefabricated component - Google Patents
Connection structure of assembled prefabricated component Download PDFInfo
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- CN209975745U CN209975745U CN201920554355.3U CN201920554355U CN209975745U CN 209975745 U CN209975745 U CN 209975745U CN 201920554355 U CN201920554355 U CN 201920554355U CN 209975745 U CN209975745 U CN 209975745U
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Abstract
The utility model provides a connection structure of assembled prefabricated component, including first prefabricated component, second prefabricated component and cast-in-place structure, all reserve on first prefabricated component and the second prefabricated component and have steel framework, steel framework includes upper portion owner muscle, lower part owner muscle and splice bar, inside lower part owner muscle part stretched into the prefabricated component, the main muscle in lower part stretched out prefabricated component part and upper portion owner muscle and splice bar all set up inside cast-in-place structure, the steel framework of first prefabricated component and second prefabricated component is arranged at cast-in-place structure internal part overlapping. The utility model discloses a through the steel framework structural design of prefabricated component seam crossing, and cast-in-place overall structure behind two prefabricated component's the steel framework coincide overlap joint, not only realized the rigid connection between two prefabricated components, guaranteed this connection structure's bearing capacity and durability, solved the easy percolating water's of joint line of current assembled prefabricated component problem moreover.
Description
Technical Field
The utility model belongs to the technical field of building engineering, concretely relates to assembled prefabricated component's connection structure is applicable to assembled structure prefabricated component designs and construction scheme such as track traffic engineering underground station, basement, utility tunnel, ground structure.
Background
The existing stage structure mostly adopts cast-in-place reinforced concrete construction, the construction operation environment is poor, the process is complex, the speed is slow, the influence of various weather and climate is large, the construction quality is influenced by various factors and is difficult to ensure, and meanwhile, a lot of waste building rubbish is generated in the construction process, thereby wasting resources and polluting the environment.
With the progress of science and technology, the development of equipment manufacturing industry and the upgrading and transformation of industry, more and more work is carried out by replacing manpower with machines, and high technology replaces labor-intensive type and automatic control equipment replaces manual control. Various components (beams, plates, columns, walls) required in the field of building engineering will be gradually produced in batches in factories and then transported to the site for assembly.
At present, some related researches on assembled structures exist, for the connection of prefabricated parts, rigid connecting rods or prestressed steel strands are generally used for tensioning and locking, the field operation procedures of the connection mode are complex, the connection mode is generally not suitable for underground structures in water-rich areas, water leakage is easy to occur in connection joints, and the durability is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that the connected mode field operation process between current prefabricated component is complicated, and the easy percolating water of joint, durability also are difficult to guarantee.
For this, the utility model provides a connection structure of assembled prefabricated component, including first prefabricated component and second prefabricated component, cast-in-place structure has now been pour between first prefabricated component and the second prefabricated component, all reserve on first prefabricated component and the second prefabricated component and have steel framework, steel framework includes upper portion owner muscle, lower part owner muscle and connects the splice bar of upper portion owner muscle and lower part owner muscle tip, inside the prefabricated component was stretched into along prefabricated component extending direction part to lower part owner muscle, prefabricated component part is stretched out to lower part owner muscle to and upper portion owner muscle and splice bar all set up inside cast-in-place structure, steel framework of first prefabricated component and second prefabricated component is along the extending direction of owner muscle at cast-in-place structure internal part overlapping arrangement.
Furthermore, a plurality of upper longitudinal steel bars are arranged on the upper main rib along the axial direction of the upper main rib at intervals, and the upper longitudinal steel bars are perpendicular to the upper main rib.
Furthermore, additional transverse steel bars are arranged on inner layers of the bottoms of the first prefabricated part and the second prefabricated part and are arranged in parallel with lower main steel bars in the prefabricated parts; the additional transverse steel bars are provided with a plurality of lower longitudinal steel bars at intervals along the axial direction, a first wavy vertical tie bar frame is arranged between the additional transverse steel bars and the corresponding upper main steel bars, and the wave crests and the wave troughs of the first vertical tie bar frame are respectively connected to the upper longitudinal steel bars and the lower longitudinal steel bars.
Furthermore, the end face of the connecting side of the first prefabricated component and the second prefabricated component is an inclined end face, the connecting rib on the first prefabricated component is arranged in an inclined mode, the inclination of the connecting rib is matched with that of the inclined end face of the second prefabricated component, and the connecting rib on the first prefabricated component extends out of the end portion of the first prefabricated component to be above the inclined end face of the second prefabricated component; the connecting ribs on the second prefabricated part are positioned on the installation side of the second prefabricated part and do not extend to the installation side of the first prefabricated part.
Furthermore, a second vertical tie bar frame is arranged between the connecting bar of the first prefabricated part and the main bar at the upper part.
Furthermore, a plurality of additional longitudinal steel bars are arranged on the lower main steel bar, the additional longitudinal steel bars are perpendicular to the lower main steel bar and are distributed in the prefabricated part and the cast-in-place structural part at intervals.
Furthermore, the steel bar frames of the first prefabricated part and the second prefabricated part are provided with a plurality of steel bar frames, and the steel bar frames of the first prefabricated part and the steel bar frames of the second prefabricated part are alternately arranged.
Furthermore, a water stopping structure is arranged at the joint of the first prefabricated part and the second prefabricated part.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model provides a connection structure of this kind of assembled prefabricated component passes through the steel framework structural design of prefabricated component seam crossing to steel framework coincide overlap joint through two prefabricated components has realized the rigid connection between two prefabricated components, has guaranteed this connection structure's bearing capacity and durability, removes component stretch-draw locking process from moreover, and construction process is simple, and the structural integrity of assembly spare after the construction completion is good.
(2) The utility model provides a connecting structure of the assembly type prefabricated components, which pours two prefabricated components into an integral structure through a cast-in-place mode, effectively solves the problem that the connecting joints of the existing underground assembly type prefabricated components are easy to leak water; and two prefabricated components are overlapped and lapped through the steel bar framework, so that the overlapped layer can be cast in place without templates, scaffolds or steel bar on-site binding, the on-site operation process is simplified, and the on-site construction efficiency is improved.
(3) The utility model provides a connection structure of this kind of prefabricated component can rationally carry out the prefabricated component piecemeal, can effectively solve the underground structure prefabricated component assembly construction difficult problem that current in-band supported, and the component size is standardized, is favorable to the industrialization, is applicable to major structure engineering such as urban rail transit underground station, basement, utility tunnel, ground structure, accords with national industry upgrading transformation policy background, has better popularization and application prospect and social economic benefits.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of the connection structure of prefabricated components according to the present invention;
fig. 2 is a plan view of the connection structure of prefabricated parts according to the present invention;
FIG. 3 is a schematic structural diagram of a first prefabricated component according to the present invention;
fig. 4 is a schematic structural diagram of a second prefabricated component in the present invention.
Description of reference numerals: 1. a first prefabricated member; 2. a first vertical lacing wire frame; 3. adding transverse steel bars; 4. a water stopping structure; 5. a second vertical lacing bar frame; 6. a steel reinforcement frame; 7. a second prefabricated member; 8. casting a structural member in situ; 9. upper longitudinal steel bars; 10. an upper main rib; 11. connecting ribs; 12. adding longitudinal steel bars; 13. a lower main rib; 14. lower longitudinal rebars.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1, 3 and 4, the present embodiment provides a connection structure of prefabricated components, including a first prefabricated component 1 and a second prefabricated component 7, a cast-in-place structural component 8 is cast between the first prefabricated component 1 and the second prefabricated component 7, a reinforcing steel framework 6 is reserved on each of the first prefabricated component 1 and the second prefabricated component 7, the reinforcing steel framework 6 includes an upper main rib 10, a lower main rib 13, and a connecting rib 11 connecting end portions of the upper main rib 10 and the lower main rib 13, the upper main rib 10, the lower main rib 13, and the connecting rib 11 may be integrally formed by bending, the upper main rib 10 and the lower main rib 13 are arranged in parallel, the lower main rib 13 extends into the prefabricated component along an extension direction of the prefabricated component, the lower main rib 13 extends out of the prefabricated component, and the upper main rib 10 and the connecting rib 11 are both disposed inside the cast-in-place structural component 8, the steel bar frames 6 of the first prefabricated part 1 and the second prefabricated part 7 are arranged in a partially overlapped mode in the cast-in-place structural part 8 along the extending direction of the main steel bars. In the embodiment, rigid connection between two prefabricated components is realized through the structural design of the prefabricated components and the overlapping design of the steel bar framework 6, and the superposed structure combined by the prefabricated components and the cast-in-place structural part 8 is stressed together, so that the bearing capacity and the durability of the connection structure are ensured.
Wherein, the junction of first prefabricated component 1 and second prefabricated component 7 is equipped with stagnant water structure 4, and this stagnant water structure 4 can be to water strip, water-swelling stagnant water cream etc..
In an optimized implementation manner, as shown in fig. 1, 3 and 4, a plurality of upper longitudinal steel bars 9 are arranged on the upper main bar 10 at intervals along the axial direction of the upper main bar, the upper longitudinal steel bars 9 are arranged perpendicular to the upper main bar 10, and the stress strength of the cast-in-place structural member 8 is enhanced by arranging the upper longitudinal steel bars 9 and the upper main bar 10 in a criss-cross manner inside the cast-in-place structural member 8. Further, as shown in fig. 3 and 4, additional transverse steel bars 3 are arranged on the bottom inner layers of the first prefabricated part 1 and the second prefabricated part 7, the additional transverse steel bars 3 are arranged in parallel with the lower main steel bars 13 in the prefabricated parts, a plurality of lower longitudinal steel bars 14 are arranged on the additional transverse steel bars 3 at intervals along the axial direction of the additional transverse steel bars 3, and the stress strength of the first prefabricated part 1 and the second prefabricated part 7 is enhanced by arranging the additional transverse steel bars 3 and the lower longitudinal steel bars 14 in a criss-cross manner inside the prefabricated parts; meanwhile, a first wavy vertical tie bar frame 2 is arranged between the additional transverse steel bars 3 and the corresponding upper main bars 10, wave crests and wave troughs of the first vertical tie bar frame 2 are respectively connected to the upper longitudinal steel bars 9 and the lower longitudinal steel bars 14, and the prefabricated part and the cast-in-place structural part 8 are designed through the structure and arrangement mode of the first vertical tie bar frame 2, so that the connection strength of the prefabricated part and the cast-in-place structural part 8 is enhanced, meanwhile, the effect of fixing the external steel bar frame 6 of the prefabricated part is achieved, and the bearing capacity of the prefabricated part and the cast-in-place structural part 8 after being connected into a whole is improved.
Specifically, the end face of the connecting side of the first prefabricated component 1 and the second prefabricated component 7 is an oblique end face, the connecting rib 11 on the first prefabricated component 1 is obliquely arranged, and the inclination of the connecting rib 11 is matched with the inclination of the oblique end face of the second prefabricated component 7, so that the reinforcing steel bar frame 6 of the first prefabricated component 1 can extend above the oblique end face of the second prefabricated component 7 when overlapped and lapped with the reinforcing steel bar frame 6 of the second prefabricated component 7, meanwhile, the connecting rib 11 on the second prefabricated component 7 is vertically arranged, the connecting rib on the second prefabricated component is located at the mounting side of the second prefabricated component and does not extend to the mounting side of the first prefabricated component, and the situation that the positioning and the mounting of the first prefabricated component 1 and the second prefabricated component 7 are influenced by the position conflict of the reinforcing steel bar frame 6 on the second prefabricated component 7 when overlapped and lapped is effectively avoided. In addition, a second vertical tie bar frame 5 is arranged between the connecting bar 11 and the upper main bar 10 of the first prefabricated part 1, the second vertical tie bar frame 5 is arranged along the extending direction of the first vertical tie bar frame 2, the second vertical tie bar frame 5 and the first vertical tie bar frame 2 can be integrally bent and formed, and the strength of the overlapped joint of the first prefabricated part 1 and the second prefabricated part 7 is enhanced.
Furthermore, a plurality of additional longitudinal steel bars 12 are arranged on the lower main steel bar 13, the additional longitudinal steel bars 12 are perpendicular to the lower main steel bar 13, the additional longitudinal steel bars 12 are distributed in the prefabricated component and the cast-in-place structural member 8 at intervals, and the stress strength of the joint of the prefabricated component and the cast-in-place structural member 8 is enhanced through the arrangement of the additional longitudinal steel bars 12. In addition, as shown in fig. 2, the reinforcement frames 6 of the first prefabricated component 1 and the second prefabricated component 7 may be provided in plurality, and the reinforcement frames 6 of the first prefabricated component 1 and the reinforcement frames 6 of the second prefabricated component 7 are alternately arranged, so that the connection strength between the first prefabricated component 1, the second prefabricated component 7 and the cast-in-place structural member 8 is further enhanced, and the overall bearing capacity of the connection structure of the prefabricated components is improved.
The embodiment also provides a connection method of the assembly type prefabricated part, which comprises the following specific processes:
firstly, the diameter and the distance of each steel bar of the steel bar frame 6 on the first prefabricated part 1 and the second prefabricated part 7 and the lap joint length of the two steel bar frames 6 are determined according to structural calculation. In the optimized scheme, the diameters of the upper longitudinal steel bars 9, the additional longitudinal steel bars 12, the additional transverse steel bars 3 and the lower longitudinal steel bars 14 connected to the steel bar frame 6 are determined according to the structural calculation, and the distance between the lower main steel bar 13 and the additional transverse steel bars 3 of the steel bar frame 6 is determined.
Secondly, prefabricating the first prefabricated part 1 and the second prefabricated part 7 in a prefabricating factory, embedding the steel bar frame 6 in the first prefabricated part 1 and the second prefabricated part 7, partially extending a lower main rib 13 of the steel bar frame 6 into the prefabricated parts, and positioning an upper main rib 10 and a connecting rib 11 of the steel bar frame 6 outside the prefabricated parts for fixing with a later cast-in-place structural part 8.
Optimally, when the first prefabricated part 1 and the second prefabricated part 7 are prefabricated, the additional transverse steel bars 3 are embedded in the inner layer of the bottom of the prefabricated part, the lower longitudinal steel bars 14 are arranged on the additional transverse steel bars 3, the upper longitudinal steel bars 9 are connected to the upper main steel bars 10 of the steel bar framework 6, the wavy first vertical tie bar frame 2 is connected between the additional transverse steel bars 3 and the upper main steel bars 10, the wave crests and the wave troughs of the first vertical tie bar frame 2 are respectively connected to the upper longitudinal steel bars 9 and the lower longitudinal steel bars 14, and the connection strength between the prefabricated part and the cast-in-place structural part 8 cast in situ in the later period is enhanced.
Then, the first prefabricated part 1 is positioned and fixed on a construction site, the end part of the second prefabricated part 7 is positioned and closed to the end part of the first prefabricated part 1, and the steel bar frames 6 of the two prefabricated parts are closed, overlapped, positioned and fixed after the steel bar diameter height difference is staggered as shown in fig. 2.
And finally, pouring a cast-in-place structural part 8 between the first prefabricated part 1 and the second prefabricated part 7 in a cast-in-place mode, and connecting the first prefabricated part 1 and the second prefabricated part 7 into a whole. At the moment, the first prefabricated component 1 and the second prefabricated component 7 can have the function of a template, and for a wall structure, the first prefabricated component 1 and the second prefabricated component 7 can be used as templates, and the other side can be subjected to laminated concrete pouring by using an envelope structure or other systems which can be used as template conditions; for the plate structure, the first prefabricated component 1 and the second prefabricated component 7 can be directly used as templates for carrying out superimposed layer concrete pouring; two prefabricated components are connected to form an integral structure in a cast-in-place mode, and the problem that water leaks easily at the connecting joint of the existing underground assembly type prefabricated components is effectively solved.
To sum up, the utility model provides a this kind of assembled prefabricated component's connection structure passes through the steel framework structural design of prefabricated component seam crossing, and cast-in-place overall structure into behind two prefabricated component's the steel framework coincide overlap joint, has not only realized the rigid connection between two prefabricated components, has guaranteed this connection structure's bearing capacity and durability, has solved the problem of the easy percolating water of joint line of current assembled prefabricated component moreover.
The above illustration is merely an illustration of the present invention, and does not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (8)
1. A connection structure of prefabricated parts, characterized in that: the cast-in-place structure comprises a first prefabricated component and a second prefabricated component, a cast-in-place structural part is poured between the first prefabricated component and the second prefabricated component, steel bar frames are reserved on the first prefabricated component and the second prefabricated component, each steel bar frame comprises an upper main bar, a lower main bar and a connecting bar for connecting the ends of the upper main bar and the lower main bar, the lower main bar partially extends into the prefabricated component along the extending direction of the prefabricated component, the lower main bar extends out of the prefabricated component, the upper main bar and the connecting bar are arranged inside the cast-in-place structural part, and the steel bar frames of the first prefabricated component and the second prefabricated component are arranged inside the cast-in-place structural part in an overlapping mode along the extending direction of the main bars.
2. The prefabricated sections connecting structure according to claim 1, wherein: and a plurality of upper longitudinal steel bars are arranged on the upper main steel bar at intervals along the axial direction of the upper main steel bar, and the upper longitudinal steel bars are perpendicular to the upper main steel bar.
3. The prefabricated sections connecting structure according to claim 2, wherein: additional transverse steel bars are arranged on inner layers of the bottoms of the first prefabricated part and the second prefabricated part in parallel with lower main steel bars in the prefabricated parts; the additional transverse steel bars are provided with a plurality of lower longitudinal steel bars at intervals along the axial direction, a first wavy vertical tie bar frame is arranged between the additional transverse steel bars and the corresponding upper main steel bars, and the wave crests and the wave troughs of the first vertical tie bar frame are respectively connected to the upper longitudinal steel bars and the lower longitudinal steel bars.
4. The prefabricated sections connecting structure according to claim 3, wherein: the end face of the connecting side of the first prefabricated part and the second prefabricated part is an inclined end face, the connecting ribs on the first prefabricated part are arranged in an inclined mode, the inclination of the connecting ribs is matched with that of the inclined end face of the second prefabricated part, and the connecting ribs on the first prefabricated part extend out of the end portion of the first prefabricated part to be above the inclined end face of the second prefabricated part; the connecting ribs on the second prefabricated part are positioned on the installation side of the second prefabricated part and do not extend to the installation side of the first prefabricated part.
5. The prefabricated sections connecting structure according to claim 4, wherein: and a second vertical tie bar frame is arranged between the connecting bar of the first prefabricated part and the upper main bar.
6. The prefabricated sections connecting structure according to claim 1, wherein: and a plurality of additional longitudinal steel bars are arranged on the lower main steel bar, are perpendicular to the lower main steel bar and are distributed in the prefabricated part and the cast-in-place structural part at intervals.
7. The prefabricated sections connecting structure according to claim 1, wherein: the steel bar frames of the first prefabricated part and the second prefabricated part are provided with a plurality of steel bar frames, and the steel bar frames of the first prefabricated part and the steel bar frames of the second prefabricated part are arranged alternately.
8. The prefabricated sections connecting structure according to claim 1, wherein: and a water stopping structure is arranged at the joint of the first prefabricated part and the second prefabricated part.
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| CN201920554355.3U CN209975745U (en) | 2019-04-23 | 2019-04-23 | Connection structure of assembled prefabricated component |
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| CN201920554355.3U CN209975745U (en) | 2019-04-23 | 2019-04-23 | Connection structure of assembled prefabricated component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080394A (en) * | 2019-04-23 | 2019-08-02 | 中铁第四勘察设计院集团有限公司 | A kind of connection structure and connection method of prefabricated component |
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- 2019-04-23 CN CN201920554355.3U patent/CN209975745U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080394A (en) * | 2019-04-23 | 2019-08-02 | 中铁第四勘察设计院集团有限公司 | A kind of connection structure and connection method of prefabricated component |
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