CN209837117U - Connecting structure of assembled structural member - Google Patents
Connecting structure of assembled structural member Download PDFInfo
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- CN209837117U CN209837117U CN201920419244.1U CN201920419244U CN209837117U CN 209837117 U CN209837117 U CN 209837117U CN 201920419244 U CN201920419244 U CN 201920419244U CN 209837117 U CN209837117 U CN 209837117U
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Abstract
The utility model provides a connection structure of assembled structure, including concrete structure spare and prefabricated structure spare, cast-in-place structure spare has now been pour between concrete structure spare and the prefabricated structure spare, it has U type muscle one to reserve on the concrete structure spare, it has U type muscle two to reserve on the prefabricated structure spare, inside one side part of U type muscle two stretched into the prefabricated structure spare, the opposite side of U type muscle two was located cast-in-place structure spare, U type muscle one and U type muscle two's lower extreme overlap joint location, and U type muscle one and U type muscle two's overlap joint department is located cast-in-place structure spare. The utility model solves the problem of difficult positioning and implementation of the prefabricated part through the buckling connection between the U-shaped steel bar I and the U-shaped steel bar II, and strengthens the stress strength of the connection node of the prefabricated structural part and the concrete structural part; meanwhile, the prefabricated structural member and the concrete structural member are poured into an integral structure in a cast-in-place mode, and the problem that water is easy to leak at the joint of the existing fabricated structural member is solved.
Description
Technical Field
The utility model belongs to the technical field of building engineering, concretely relates to connection structure of assembled structure is applicable to similar underground structure engineering such as urban rail transit underground station, basement, utility tunnel, open cut interval or assembled structural design and construction scheme on the ground.
Background
Along with the development of national economy, the building industrialization degree is larger and larger, and at present, three types of assembly type underground structure ideas are common, wherein the first type adopts a longitudinal assembly form of integrally prefabricated pipe sections, and cement materials are adopted between pipe section rings for sealing and filling; the second method is that the block assembly is adopted, and the bottom plate joint is cast in situ; the third is that the structure roof, the side wall, the upright post and the beam structure are all prefabricated, and the bottom plate adopts cast-in-place reinforced concrete and reserves forms such as cup mouth, steel sleeve and supplies upper member later stage connection. The method for casting the reserved cup mouth and the steel sleeve in situ by the third bottom plate has certain popularization in the underground structure assembly type, but also has the following problems:
(1) the components are connected by adopting mechanical grouting and sleeve grouting, and the positioning of the embedded steel bars and the sleeves during construction is easy to deviate, so that the limit of engineering invasion is caused, and the engineering use is influenced.
(2) The components are connected by adopting mechanical grouting and sleeve grouting, the on-site steel bar connection is difficult, and the potential safety hazard of the structure is easily caused.
(3) In areas with abundant groundwater, water leakage at the joint is easy to occur due to the action of groundwater pressure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that difficult, the poor and local easy leaking of node atress were implemented in the prefabricated component location among the current assembled structure.
For this, the utility model provides a connection structure of assembled structure, including concrete structure and prefabricated structure, cast-in-place structure has now been pour between concrete structure and the prefabricated structure, it has U type muscle one to reserve on the concrete structure, inside the both sides part of U type muscle one stretched into concrete structure, and concrete structure was stretched out to the bottom of U type muscle one, it has U type muscle two to reserve on the prefabricated structure, inside one side part of U type muscle two stretched into prefabricated structure, the opposite side of U type muscle two was located cast-in-place structure, U type muscle one and U type muscle two's lower extreme overlap joint location, and the overlap joint of U type muscle one and U type muscle two is located cast-in-place structure.
Furthermore, the bottom of the prefabricated structural part is provided with positioning section steel, and the concrete structural part is provided with a steel plate which is used for being matched and positioned with the positioning section steel.
Furthermore, the overlapping parts of the positioning section steel, the U-shaped rib I and the U-shaped rib II are arranged in a staggered mode.
Furthermore, one side of U type muscle one and two lap joints of U type muscle is all equipped with many first transverse reinforcement at the interval, just many first transverse reinforcement on the U type muscle one and many first transverse reinforcement one-to-one mutual disposition on the U type muscle two.
Furthermore, a plurality of second transverse steel bars are arranged on the two sides of the U-shaped rib II, which are respectively positioned inside the prefabricated structural member and the cast-in-place structural member, at intervals.
Furthermore, the U-shaped rib I and the U-shaped rib II are both provided with a plurality of ribs, and the U-shaped rib I and the U-shaped rib II are alternately arranged.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model provides a connecting structure of the assembly type structural member, which effectively solves the problem that the positioning of the prefabricated member in the existing assembly type structural member is difficult to implement through the buckling connection between the U-shaped steel bar I and the U-shaped steel bar II and the welding positioning between the positioning steel bar and the steel plate; and meanwhile, the stress strength of the connecting node of the prefabricated structural member and the concrete structural member is increased by the arrangement of the U-shaped steel bar I and the U-shaped steel bar II.
(2) The utility model provides a connection method of this kind of assembled structure pours into overall structure with prefabricated structure and concrete structure through "wet node" cast-in-place mode, has solved the problem that current assembled structure seam crossing easily leaked.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of a connection structure of a fabricated structural member according to the present invention;
FIG. 2 is a schematic structural view of a concrete structural member according to the present invention;
fig. 3 is a schematic structural diagram of the prefabricated structural member of the present invention.
Description of reference numerals: 1. a concrete structural member; 2. a U-shaped rib I; 3. casting a structural member in situ; 4. positioning the section steel; 5. a U-shaped rib II; 6. prefabricating a structural part; 7. a steel plate; 8. a first transverse reinforcement bar; 9. a second transverse reinforcement.
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, the present embodiment provides a connection structure of an assembly type structural member, including a concrete structural member 1 and a prefabricated structural member 6, where a cast-in-place structural member 3 is cast between the concrete structural member 1 and the prefabricated structural member 6; a U-shaped rib I2 is reserved on the concrete structural member 1, two side parts of the U-shaped rib I2 extend into the concrete structural member 1 for fixation, the bottom of the U-shaped rib I2 extends out of the concrete structural member 1, and the extending length of the U-shaped rib I2 is determined according to the preset relative installation position between the prefabricated structural member 6 and the concrete structural member 1; the prefabricated structural member 6 is reserved with a U-shaped rib two 5, one side of the U-shaped rib two 5 partially extends into the prefabricated structural member 6, the other side of the U-shaped rib two 5 is located in the cast-in-place structural member 3, the prefabricated structural member 6 and the cast-in-place structural member 3 are fixed through two sides of the U-shaped rib two 5, meanwhile, the lower ends of the U-shaped rib one 2 and the U-shaped rib two 5 are overlapped and positioned, the overlapped part of the U-shaped rib one 2 and the U-shaped rib two 5 is located in the cast-in-place structural member 3, the problem that the prefabricated structural member 6 and the concrete structural member 1 are difficult to connect on site is solved through the overlapping connection of the U-shaped rib one 2 and the U-shaped rib two 5, the concrete structural member 1, the prefabricated structural member 6 and the cast-in-place structural member 3 are connected, and the stress strength of the assembly type structural member.
The scheme of optimizing, as shown in fig. 2 and 3, 6 bottoms of prefabricated structure spare are equipped with location shaped steel 4, be equipped with on the concrete structure spare 1 be used for with location shaped steel 4 cooperation location steel sheet 7, through the welding of location shaped steel 4 and steel sheet 7 and be connected prefabricated structure spare 6 and concrete structure spare 1 and fix a position, effectively solved prefabricated structure spare 6 and concrete structure spare 1 problem difficult in location. Further, the overlap joint position dislocation arrangement of location shaped steel 4 and U type muscle one 2 and U type muscle two 5, the position of location shaped steel 4 and U type muscle one 2, U type muscle two 5 does not influence each other, has both guaranteed the location effect of location shaped steel 4 to prefabricated structure 6, does not influence U type muscle one 2 again and U type muscle two 5 to the effect of strengthening the connected node stress intensity.
Specifically, the equal interval in one side of U type muscle one 2 and U type muscle two 5 overlap joint is equipped with many first transverse reinforcement 8, and first transverse reinforcement 8 perpendicular to U type muscle one 2 and U type muscle two 5 arrange, many first transverse reinforcement 8 on U type muscle one 2 and many first transverse reinforcement 8 one-to-one on U type muscle two 5 arrange through the setting of first transverse reinforcement 8, not only can be used to fixed U type muscle 2 one and U type muscle two 5, can further strengthen prefabricated structure 6 and concrete structure 1's connected node stress intensity moreover. In addition, a plurality of second transverse steel bars 9 are arranged on the two sides of the U-shaped steel bar 5 respectively inside the prefabricated structural part 6 and the cast-in-place structural part 3 at intervals, the second transverse steel bars 9 are perpendicular to the U-shaped steel bar 5, and the stress strength of the connecting node of the prefabricated structural part 6 and the cast-in-place structural part 3 is further enhanced through the second transverse steel bars 9. Further, U type muscle one 2 and U type muscle two 5 all have many, all arrange along the extending direction of first transverse reinforcement 8, and U type muscle one 2 and U type muscle two 5 distribute in turn, and the overlap joint is detained mutually of many U type muscle one 2 and U type muscle two 5, has further strengthened prefabricated structure 6 and concrete structure 1's joint strength.
The embodiment also provides a connection method of the assembled structural member, which comprises the following specific processes:
firstly, a concrete structural member 1 is constructed in advance, a U-shaped steel bar I2 is reserved above the concrete structural member 1, two ends of the U-shaped steel bar I2 are inserted into the concrete structural member 1 in an inverted U mode, and the length of the U-shaped steel bar I2 which is reserved to extend out of the concrete structural member 1 is calculated and determined according to the interval pouring distance between a prefabricated structural member 6 and the concrete structural member 1 and the lap joint length specified by a standard.
Secondly, prefabricated structure 6 is prefabricated out in prefabricated mill to pre-buried U shaped steel bar two 5 in prefabricated structure 6, during prefabricated structure 6 is stretched into from prefabricated structure 6 bottom to one side of U shaped steel bar two 5, the opposite side is located prefabricated structure 6 outsidely, is used for fixed with cast-in-place structure 3 that later stage was poured now.
Then, the prefabricated structural member 6 is hoisted to the position above the concrete structural member 1, and then the bottom of the U-shaped steel bar II 5 of the prefabricated structural member 6 and the part, extending out of the concrete structural member 1, of the U-shaped steel bar I2 of the concrete structural member 1 are in staggered buckling lap joint, so that the relative position between the prefabricated structural member 6 and the concrete structural member 1 is limited.
Optimized, in order to fix a position prefabricated structure 6 and concrete structure 1 fast, can be at the pre-buried steel sheet 7 of concrete structure 1 upper surface, at a fixed location shaped steel 4 in prefabricated structure 6's bottom, when hoist and mount prefabricated structure 6 to concrete structure 1 top, weld through location shaped steel 4 and steel sheet 7 and fix a position prefabricated structure 6 and concrete structure 1's relative position.
And finally, pouring the cast-in-place structural part 3 between the prefabricated structural part 6 and the concrete structural part 1 in a cast-in-place mode, wherein the prefabricated structural part 6 has a template function, only a small amount of templates are needed to be erected outside a connecting area, and the prefabricated structural part 6 and the concrete structural part 1 are connected in the cast-in-place mode to form an integral structure, so that the problem of water leakage at the joint of the structural part is solved.
To sum up, the connection structure of the assembly type structural member provided by the utility model solves the problem of difficult implementation of the positioning of the prefabricated member in the existing assembly type structural member through the buckling connection between the U-shaped steel bar I and the U-shaped steel bar II and the welding positioning between the positioning steel bar and the steel plate, and enhances the stress strength of the connection node of the prefabricated structural member and the concrete structural member; meanwhile, the prefabricated structural member and the concrete structural member are poured into an integral structure in a cast-in-place mode, and the problem that water is easy to leak at the joint of the existing fabricated structural member is solved.
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 (6)
1. A connection structure of assembled structure spare which characterized in that: the cast-in-place structure comprises a concrete structural member and a prefabricated structural member, a cast-in-place structural member is poured between the concrete structural member and the prefabricated structural member, a first U-shaped rib is reserved on the concrete structural member, the two side parts of the first U-shaped rib stretch into the interior of the concrete structural member, the bottom of the first U-shaped rib stretches out of the concrete structural member, a second U-shaped rib is reserved on the prefabricated structural member, one side part of the second U-shaped rib stretches into the interior of the prefabricated structural member, the other side of the second U-shaped rib is located in the cast-in-place structural member, the lower ends of the first U-shaped rib and the second U-shaped rib are positioned in an overlapped mode, and the overlapped position of the first U-shaped.
2. The connecting structure of a fabricated structural member according to claim 1, wherein: the prefabricated structural part bottom is equipped with location shaped steel, be equipped with on the concrete structural part be used for with the steel sheet of location shaped steel cooperation location.
3. The connecting structure of a fabricated structural member as set forth in claim 2, wherein: and the positioning section steel is arranged in a staggered manner with the lap joint parts of the U-shaped rib I and the U-shaped rib II.
4. The connecting structure of a fabricated structural member according to claim 1, wherein: the equal interval in one side of U type muscle one and two lap joints of U type muscle is equipped with many first transverse reinforcement, just many first transverse reinforcement on the U type muscle one and many first transverse reinforcement one-to-one mutual dispositions on the U type muscle two.
5. The connecting structure of a fabricated structural member as set forth in claim 4, wherein: and a plurality of second transverse steel bars are arranged on the two sides of the U-shaped rib II, which are respectively positioned in the prefabricated structural part and the cast-in-place structural part, at intervals.
6. The connecting structure of a fabricated structural member according to claim 1, wherein: the U-shaped rib I and the U-shaped rib II are both provided with a plurality of ribs, and the U-shaped rib I and the U-shaped rib II are alternately arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920419244.1U CN209837117U (en) | 2019-03-29 | 2019-03-29 | Connecting structure of assembled structural member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920419244.1U CN209837117U (en) | 2019-03-29 | 2019-03-29 | Connecting structure of assembled structural member |
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| CN209837117U true CN209837117U (en) | 2019-12-24 |
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| CN201920419244.1U Active CN209837117U (en) | 2019-03-29 | 2019-03-29 | Connecting structure of assembled structural member |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881714A (en) * | 2019-03-29 | 2019-06-14 | 中铁第四勘察设计院集团有限公司 | A kind of connection structure and connection method of fabricated construction part |
| CN111519824A (en) * | 2020-04-14 | 2020-08-11 | 中铁第四勘察设计院集团有限公司 | Prefabricated station platen, assembly type station and construction method of assembly type station |
-
2019
- 2019-03-29 CN CN201920419244.1U patent/CN209837117U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881714A (en) * | 2019-03-29 | 2019-06-14 | 中铁第四勘察设计院集团有限公司 | A kind of connection structure and connection method of fabricated construction part |
| CN111519824A (en) * | 2020-04-14 | 2020-08-11 | 中铁第四勘察设计院集团有限公司 | Prefabricated station platen, assembly type station and construction method of assembly type station |
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