CN209760592U - Connecting structure of main beam and secondary beam of concrete - Google Patents
Connecting structure of main beam and secondary beam of concrete Download PDFInfo
- Publication number
- CN209760592U CN209760592U CN201920342014.XU CN201920342014U CN209760592U CN 209760592 U CN209760592 U CN 209760592U CN 201920342014 U CN201920342014 U CN 201920342014U CN 209760592 U CN209760592 U CN 209760592U
- Authority
- CN
- China
- Prior art keywords
- main beam
- plate
- embedded
- secondary beam
- reinforcing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a connection structure of girder and secondary beam of concrete, include: the embedded stud is arranged in the main beam, extends out of the main beam, and the outer surface of one end of the embedded stud, which extends out of the main beam, is provided with a thread; a connector, comprising: the connecting plate, the supporting plate and the baffle plates are mutually perpendicular to each other, abutting connecting holes are formed in the abutting connecting plate, after the embedded studs penetrate through the abutting connecting holes, the embedded studs are connected with the nuts, the baffle plates are respectively arranged at two ends of the supporting plate, the two baffle plates are located on the same side of the supporting plate, the baffle plates and the supporting plate form accommodating grooves, and second fixing connecting holes are formed in corresponding positions of the two baffle plates; the reinforcing plate is arranged in the end part of the secondary beam, and the end part of the secondary beam is provided with a first through fixing connecting hole which penetrates through the reinforcing plate; the first fixed connecting hole is connected with the second fixed connecting hole through a high-strength bolt. The utility model discloses saving equipment acquisition cost avoids the wet work when girder and secondary beam are connected, has greatly improved the efficiency of construction, shortens construction cycle.
Description
Technical Field
The utility model relates to a connection structure design field of building girder and secondary beam especially relates to a girder of concrete and connection structure of secondary beam.
Background
a perfect technical system is proposed in the ' thirteen-five ' assembly type building action scheme ' Jianke [2017]77, an assembly type building technical system, a key technology and a matching component evaluation mechanism are established, advanced, mature and reliable new technology, new product and new process are combed, and assembly type building technology and product bulletin are released regularly.
The development force is promoted to be increased, the basic theory, the technical system and the construction process of the multi-story and high-rise assembled concrete building with high assembly rate are researched, and the application of high-performance concrete, high-strength steel bars, energy dissipation, shock absorption and prestress technologies in the assembled concrete building is researched.
In the prior art, there are several connection modes of a main beam and a secondary beam of concrete, a notch is reserved for the main beam, a cast-in-place section is reserved for the secondary beam, a corbel is reserved for the main beam, or the main beam is used as a corbel plate, wherein the method that the notch is reserved for the main beam or the cast-in-place section is reserved for the secondary beam needs to adopt a support device to support the secondary beam and carry out wet operation on a concrete pouring template on site, so that the main beam and the secondary beam are connected, the construction period is long, the labor cost is high, and the steps are. The method of reserving the corbels on the main beam or using the main beam as the cattle stretcher plate has the disadvantages that the reserved corbels on the main beam or the cattle stretcher plate is troublesome to prefabricate in a factory, so that the prefabrication cost is high, the method of using the main beam as the cattle stretcher plate has poor bearing capacity and large processing difficulty of the cattle stretcher plate, and meanwhile, the strength of the main beam is weakened, so that the stability of the joint of the main beam and the secondary beam is poor.
Disclosure of Invention
The utility model aims at providing a girder of concrete and connection structure of secondary beam need not to adopt supporting support equipment or concrete placement template in the work progress, practices thrift the equipment acquisition cost, avoids the girder and the wet work when secondary beam is connected simultaneously, has greatly improved the efficiency of construction, shortens construction cycle.
the utility model provides a technical scheme as follows:
A connecting structure of a main beam and a sub-beam of concrete, comprising: the embedded studs are prefabricated in the main beam, at least one end of each embedded stud extends out of the main beam, threads are arranged on the outer surface of one end of each embedded stud extending out of the main beam, and the number of the embedded studs is at least 4; a connector, the connector comprising: the main beam comprises a butting connecting plate, a supporting plate and two parallel baffle plates, wherein the butting connecting plate is vertically arranged on the butting connecting plate, at least 4 butting connecting holes for embedded studs to pass through are formed in the butting connecting plate, after the embedded studs pass through the butting connecting holes, threads at corresponding ends of the embedded studs are in threaded connection with nuts, the butting connecting plate is tightly pressed on the side wall of a main beam, the two baffle plates are respectively arranged at two ends of the supporting plate along the extension direction of the main beam, the two baffle plates are positioned at the same side of the supporting plate, the two baffle plates and the supporting plate form an accommodating groove with an upward opening and used for erecting the end part of a secondary beam, and second fixed connecting holes are formed in corresponding positions of the two baffle plates; the reinforcing plate is prefabricated in the end part of the secondary beam, a first through fixed connecting hole is formed in the end part of the secondary beam, and the first through fixed connecting hole penetrates through the reinforcing plate; and the high-strength bolt penetrates through the first fixed connecting hole and the second fixed connecting hole to connect the end part of the secondary beam with the baffle.
in the structure, the connector is fixed on the side wall of the main beam through the cooperation of the embedded stud embedded in the main beam and the nut, then the end part of the secondary beam is directly erected on the supporting plate of the connector, thereby saving the supporting equipment for supporting the end part of the secondary beam in the prior art, and sequentially penetrating through the second fixed connecting hole and the first fixed connecting hole through the high-strength bolt to fix the end part of the secondary beam on the connector, further realizing the stable connection of the secondary beam and the main beam, saving the wet operation for connecting the main beam and the secondary beam, thereby being free from the matched preparation of a concrete pouring template, shortening the construction period and improving the construction efficiency. Through setting up a plurality of pre-buried double-screw bolts, because every supports and establishes the connecting hole and all to be run through by the pre-buried double-screw bolt of department that corresponds, consequently can avoid the connector to incline when installing on the girder, and then avoid placing the secondary beam slope on the connector. Because the main beam is connected with the secondary beam only need to connect the connector on the main beam first, then with the secondary beam tip put up in the backup pad, at last through high strength bolt with the secondary beam tip fixed can, whole process operation is simple step few, consequently the human cost input reduces.
Preferably, a through adjusting hole is formed in the middle of the supporting plate along the extending direction of the main beam; and a height adjusting bolt is arranged in the adjusting hole, a screw rod of the height adjusting bolt is in threaded connection with the adjusting hole and abuts against the lower end face of the end part of the secondary beam, and the head of the height adjusting bolt is positioned on the lower side of the supporting plate.
Because the first fixed connecting hole and the second fixed connecting hole may have deviation in position when being punched, a size error may occur when the baffle is manufactured, or the surface of the supporting plate is uneven, if the end part of the secondary beam is directly placed on the supporting plate, the first fixed connecting hole and the second fixed connecting hole cannot be directly aligned, so that the high-strength bolt can not directly pass through the first fixed connecting hole and the second fixed connecting hole to realize the fixation of the end part of the secondary beam and the connector, at the moment, by rotating the head part of the height adjusting bolt, the free end of the screw rod of the height adjusting bolt is adjusted in the height direction, and the position of the end part of the secondary beam can be adjusted along with the position adjustment of the free end of the screw rod because the end part of the secondary beam is propped against the free end of the screw rod of the height adjusting bolt, therefore, the processing error is overcome, and the first fixed connecting hole and the second fixed connecting hole can be smoothly aligned and connected through the high-strength bolt.
Preferably, two ends of the embedded stud extend out of the main beam, the number of the connectors is two, the two ends of the embedded stud respectively penetrate through abutting connection holes in abutting connection plates of the connectors on the two sides of the main beam, and the abutting connection plates are abutted to the two sides of the main beam through nuts; the support plates of the two connectors extend in opposite directions.
Preferably, the reinforcing plate is T-shaped and comprises a first reinforcing plate and a second reinforcing plate, the first reinforcing plate and the second reinforcing plate are both arranged perpendicular to the horizontal plane, and the first reinforcing plate is vertically arranged in the middle of the second reinforcing plate; the first fixing and connecting hole penetrates through the first reinforcing plate.
The reinforcing plate can prevent the end part of the secondary beam from being pulled and cracked at the first fixed connecting hole.
preferably, the number of the first fixed connecting holes is several, and the first fixed connecting holes are uniformly arranged at the end part of the secondary beam along the vertical direction; the number of the second fixed connecting holes on each baffle is a plurality, and the second fixed connecting holes are arranged in one-to-one correspondence with the first fixed connecting holes; the high-strength bolts are a plurality of, and the second fixed connecting holes and the first fixed connecting holes on the two baffle plates at the corresponding positions are connected by the high-strength bolts in a one-to-one correspondence mode.
Through setting up a plurality of first fixed connection holes and second fixed connection hole to adopt the high strength bolt secondary beam of corresponding quantity to connect on the connector, make the connection of secondary beam and connector more firm.
preferably, the embedded studs are respectively arranged in a matrix along the horizontal direction and the vertical direction; the end parts of the embedded studs penetrate through the abutting connection holes at the corresponding positions, and the abutting connection holes and the embedded studs are arranged in a one-to-one correspondence mode.
preferably, the outer surface of each embedded stud is provided with at least one reinforcing ring plate along the axial direction of the embedded stud, and the plane of each reinforcing ring plate is perpendicular to the axial direction of the embedded stud.
The reinforcing ring plate is additionally arranged on the outer surface of the part, embedded in the main beam, of the embedded stud, the binding force of the embedded stud and the main beam is improved, and the connector can be more stably fixed on the side wall of the main beam.
The utility model provides a pair of connection structure of girder and secondary beam of concrete can bring following beneficial effect:
the utility model discloses a connection structure of girder of concrete and secondary beam realizes being connected of concrete girder and concrete secondary beam, connects the connector on the lateral wall of girder through the cooperation of pre-buried double-screw bolt in the girder and nut earlier, then sets up the secondary beam in the backup pad of connector, is connected the secondary beam with the connector through high strength bolt at last fixedly, accomplishes the connection process of whole girder and secondary beam. In whole connection process, the connector has acted as the role of support device, and need not to carry out concrete placement, and then need not to be equipped with corresponding concrete placement template, saves the acquisition cost of configuration support device and concrete placement template, and because whole connection step is fairly simple, the construction cycle in comparison with wet operation is short, has greatly improved the efficiency of construction, has also practiced thrift the human cost that the control was originally used for controlling corollary equipment. The height of the end part of the secondary beam is adjusted through the height adjusting bolt, and the problem that the first fixed connecting hole and the second fixed connecting hole cannot be aligned due to errors generated in the machining process of the connector and the end part of the secondary beam is solved.
Drawings
The above characteristics, technical features, advantages and realisations of the connection structure of a primary and secondary beam of concrete will be further explained in a clearly understandable way, with reference to the accompanying drawings, which illustrate a preferred embodiment.
Fig. 1 is a front view of a connection structure of a main beam and a sub beam of concrete;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a front view of the end of the secondary beam;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a front view of the connector separated from the pre-formed stud;
FIG. 6 is a top view of the connector separated from the pre-formed stud.
The reference numbers illustrate:
The method comprises the following steps of 1-main beam, 2-secondary beam end part, 2 a-first fixed connecting hole, 3-T-shaped reinforcing plate, 3 a-first reinforcing plate, 3 b-second reinforcing plate, 4-embedded stud, 4 a-thread, 5-reinforcing ring plate, 6 a-supporting plate, 6 b-baffle, 6 c-second fixed connecting hole, 6 d-adjusting hole, 6 e-abutting connecting plate, 6 f-abutting connecting hole, 7-height adjusting bolt and 8-high-strength bolt.
Detailed Description
in order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure of the product.
[ example 1 ]
As shown in fig. 1 to 6, embodiment 1 discloses a concrete connection structure between a main beam and a secondary beam, which is used for connecting the primary beam to both sides of the main beam 1, and specifically includes: 4 pre-buried double-screw bolts 4, two connectors and the reinforcing plate of pre-buried in secondary beam tip 2 of prefabricating in main beam 1.
as shown in fig. 1 and 2, 4 embedded studs 4 are respectively arranged in a matrix along the horizontal direction (vertical direction in fig. 2) and the vertical direction (vertical direction in fig. 1) to form a matrix with 2 rows and 2 columns. Both ends of each embedded stud 4 extend out of the main beam 1, and the outer surface of one end of each embedded stud 4 extending out of the main beam 1 is provided with a thread 4 a.
In other embodiments, the number of the embedded studs 4 may be different, for example, 6, 8, or 10, which is not described herein again.
It should be noted that if the connector is fixed only on one side of the main beam 1, only the end of the corresponding side of the embedded stud 4 extends out of the main beam 1 and the outer surface of one end of the main beam 1 has a thread 4 a.
as shown in fig. 5 and 6, each connector includes: support and establish connecting plate 6e, set up perpendicularly in supporting 6a and two baffles 6b that are parallel to each other on establishing connecting plate 6e, support and establish 4 of offering on the connecting plate 6e and supplying 4 pre-buried double-screw bolts 4 to pass respectively and support and establish connecting hole 6f, 4 support the position one-to-one of establishing connecting hole 6f and 4 pre-buried double-screw bolts 4, the tip of pre-buried double-screw bolt 4 passes supporting of corresponding position department and establishes connecting hole 6f, the screw thread 4a and the nut threaded connection of 4 corresponding ends of pre-buried double-screw bolt, the nut will support and establish connecting plate 6e and compress tightly on the lateral wall of girder 1. Along the extending direction of girder 1, two baffles 6b set up respectively on the both ends of backup pad 6a and two baffles 6b all lie in backup pad 6a with one side, and two baffles 6b and backup pad 6a form the holding tank that is used for setting up secondary beam tip 2 that an opening faces upward, and two baffles 6 b's corresponding position department is equipped with second fixed connection hole 6 c.
As shown in fig. 2, the connectors are respectively located at two sides of the main beam 1, the support plates 6a of the two connectors extend in opposite directions, two ends of each embedded stud 4 respectively penetrate through the abutting connection holes 6f on the abutting connection plates 6e of the connectors located at two sides of the main beam 1, and the abutting connection plates 6e are abutted at two sides of the main beam 1 through nuts.
As shown in fig. 3 and 4, a reinforcing plate is prefabricated in the secondary beam end 2, the secondary beam end 2 is provided with 4 first fixing connection holes 2a penetrating therethrough, and the reinforcing plate is used for increasing the structural strength at the secondary beam end 2. Specifically, the reinforcing plate is a T-shaped reinforcing plate 3, and includes a first reinforcing plate 3a and a second reinforcing plate 3b, the plane where the first reinforcing plate 3a is located is parallel to the extending direction of the secondary beam, the first reinforcing plate 3a and the second reinforcing plate 3b are both perpendicular to the horizontal plane and the first reinforcing plate 3a is vertically arranged at the middle position of the second reinforcing plate 3b, and the first fixing and connecting hole 2a penetrates through the first reinforcing plate 3 a. In the present embodiment, 4 first fixing attachment holes 2a are uniformly arranged in the secondary beam end portion 2 in the vertical direction (vertical direction in fig. 3).
as shown in fig. 5, the number of the second fixing connection holes 6c is 4, and the second fixing connection holes 6c are arranged in one-to-one correspondence with the first fixing connection holes 2a, so that when the secondary beam end portion 2 is erected on the supporting plate 6a, the high-strength bolts 8 penetrate through the first fixing connection holes 2a and the second fixing connection holes 6c to fixedly connect the secondary beam end portion 2 with the baffle plates 6b, namely, the second fixing connection holes 6c on the two baffle plates 6b at the corresponding positions and the first fixing connection holes 2a are connected by the high-strength bolts 8 in one-to-one correspondence, in this embodiment, one connector is connected with the secondary beam end portion 2 by the 4 high-strength bolts 8.
of course, in other specific embodiments, the number of the first fixing connection holes 2a and the second fixing connection holes 6c is not limited to the example of this embodiment, and may be 1, 2, 3 or even more, and the value is reasonably taken on the premise of ensuring the strength of the secondary beam end portion 2, which is not described herein again.
wet operation has been saved with being connected of secondary beam to girder 1 of this embodiment to save configuration concrete placement template, and can adopt backup pad 6a in the connector to form the support to secondary beam tip 2, save supporting equipment, practiced thrift equipment acquisition cost greatly, and owing to need not wet operation, girder 1 only passes through bolted connection with being connected of secondary beam, has greatly shortened construction cycle, has improved the efficiency of construction.
[ example 2 ]
As shown in fig. 1 to 6, in embodiment 2, in addition to embodiment 1, as shown in fig. 6, in embodiment 2, a through-hole 6d is formed at an intermediate position of a support plate 6a along the extending direction of the main beam 1.
As shown in fig. 1, a height adjusting bolt 7 is arranged in the adjusting hole 6d, a screw rod of the height adjusting bolt 7 is in threaded connection with the adjusting hole 6d, a free end of the screw rod of the height adjusting bolt 7 abuts against a lower end face of the secondary beam end portion 2, a head of the height adjusting bolt 7 is located on the lower side of the supporting plate 6a (i.e., the lower side of the supporting plate 6a in fig. 1), the height of the free end of the screw rod of the height adjusting bolt 7 is adjusted by rotating the head of the height adjusting bolt 7, when the free end of the screw rod rises upwards, the screw rod can jack up the secondary beam end portion 2, when the free end of the screw rod falls downwards, the secondary beam end portion 2 falls along with the falling of the free end of the screw rod, so that the height of the secondary beam end portion 2 is adjusted by the height adjusting bolt 7, the first fixing connecting hole 2a is more conveniently aligned.
[ example 3 ]
As shown in fig. 1, 2, 5, and 6, in embodiment 3, on the basis of embodiments 1 to 2, 3 reinforcing ring plates 5 are provided on the outer surface of each embedded stud 4 in embodiment 3 along the axial direction of the embedded stud 4, the 3 reinforcing ring plates 5 are uniformly provided in the main beam along the axial direction of the embedded stud 4, and the plane where the reinforcing ring plates 5 are located is perpendicular to the axial direction of the embedded stud 4. In this embodiment, the reinforcing ring plate 5 is a circular ring plate. Or may be an annular plate with a square or square periphery, which is not limited herein. The binding force between the embedded studs 4 and the main beam 1 is increased through the reinforcing ring plate 5, so that the connector can be more stably fixed on the side wall of the main beam 1.
In other specific embodiments, each embedded stud 4 may also be provided with other numbers of reinforcing ring plates 5, such as 1 block, 2 blocks, and so on, which are not described herein again.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. the utility model provides a connection structure of girder and secondary beam of concrete which characterized in that includes:
the embedded studs are prefabricated in the main beam, at least one end of each embedded stud extends out of the main beam, threads are arranged on the outer surface of one end of each embedded stud extending out of the main beam, and the number of the embedded studs is at least 4;
A connector, the connector comprising: the main beam comprises a butting connecting plate, a supporting plate and two parallel baffle plates, wherein the butting connecting plate is vertically arranged on the butting connecting plate, at least 4 butting connecting holes for embedded studs to pass through are formed in the butting connecting plate, after the embedded studs pass through the butting connecting holes, threads at corresponding ends of the embedded studs are in threaded connection with nuts, the butting connecting plate is tightly pressed on the side wall of a main beam, the two baffle plates are respectively arranged at two ends of the supporting plate along the extension direction of the main beam, the two baffle plates are positioned at the same side of the supporting plate, the two baffle plates and the supporting plate form an accommodating groove with an upward opening and used for erecting the end part of a secondary beam, and second fixed connecting holes are formed in corresponding positions of the two baffle plates;
The reinforcing plate is prefabricated in the end part of the secondary beam, a first through fixed connecting hole is formed in the end part of the secondary beam, and the first through fixed connecting hole penetrates through the reinforcing plate;
And the high-strength bolt penetrates through the first fixed connecting hole and the second fixed connecting hole to connect the end part of the secondary beam with the baffle.
2. The connecting structure of a main beam and a sub beam of concrete according to claim 1, characterized in that:
A through adjusting hole is formed in the middle of the supporting plate along the extending direction of the main beam;
And a height adjusting bolt is arranged in the adjusting hole, a screw rod of the height adjusting bolt is in threaded connection with the adjusting hole and abuts against the lower end face of the end part of the secondary beam, and the head of the height adjusting bolt is positioned on the lower side of the supporting plate.
3. The connecting structure of a main beam and a sub beam of concrete according to claim 1, characterized in that:
Two ends of the embedded stud extend out of the main beam, the number of the connectors is two, the two ends of the embedded stud respectively penetrate through abutting connection holes in abutting connection plates of the connectors on the two sides of the main beam, and the abutting connection plates are abutted to the two sides of the main beam through nuts;
The support plates of the two connectors extend in opposite directions.
4. The connecting structure of a main beam and a sub beam of concrete according to claim 1, characterized in that:
The reinforcing plate is T-shaped and comprises a first reinforcing plate and a second reinforcing plate, the first reinforcing plate and the second reinforcing plate are both arranged perpendicular to the horizontal plane, and the first reinforcing plate is vertically arranged in the middle of the second reinforcing plate;
The first fixing and connecting hole penetrates through the first reinforcing plate.
5. The connecting structure of a main beam and a sub beam of concrete according to claim 4, characterized in that:
The first fixing connecting holes are uniformly arranged at the end part of the secondary beam along the vertical direction;
the number of the second fixed connecting holes on each baffle is a plurality, and the second fixed connecting holes are arranged in one-to-one correspondence with the first fixed connecting holes;
The high-strength bolts are a plurality of, and the second fixed connecting holes and the first fixed connecting holes on the two baffle plates at the corresponding positions are connected by the high-strength bolts in a one-to-one correspondence mode.
6. The connecting structure of a main beam and a sub beam of concrete according to claim 1, characterized in that:
the embedded studs are arranged in a matrix along the horizontal direction and the vertical direction respectively;
The end parts of the embedded studs penetrate through the abutting connection holes at the corresponding positions, and the abutting connection holes and the embedded studs are arranged in a one-to-one correspondence mode.
7. The connecting structure of a main beam and a secondary beam of concrete according to any one of claims 1 to 6, characterized in that:
at least one reinforcing ring plate is arranged on the outer surface of the embedded stud along the axial direction of the embedded stud, and the plane where the reinforcing ring plate is located is perpendicular to the axial direction of the embedded stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920342014.XU CN209760592U (en) | 2019-03-19 | 2019-03-19 | Connecting structure of main beam and secondary beam of concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920342014.XU CN209760592U (en) | 2019-03-19 | 2019-03-19 | Connecting structure of main beam and secondary beam of concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209760592U true CN209760592U (en) | 2019-12-10 |
Family
ID=68755153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920342014.XU Active CN209760592U (en) | 2019-03-19 | 2019-03-19 | Connecting structure of main beam and secondary beam of concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209760592U (en) |
-
2019
- 2019-03-19 CN CN201920342014.XU patent/CN209760592U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106437170B (en) | Installation method of annular crossed cable system supporting dome structure | |
| CN212026785U (en) | Detachable steel bar truss floor support plate structure and device for limiting dislocation movement of detachable steel bar truss floor support plate structure | |
| CN102953344B (en) | Climbing cone type triangular cantilever bracket | |
| CN209760592U (en) | Connecting structure of main beam and secondary beam of concrete | |
| CN205024833U (en) | Reinforcing bar concrete combination prefabricated component | |
| CN212426753U (en) | Tooth block pull rod combined cable tower anchoring structure of cable-stayed bridge | |
| CN209760451U (en) | Column base connecting node of wood frame column in multi-story and high-rise wood structure | |
| CN111851737A (en) | Assembled concrete frame beam column trunk type connecting joint | |
| CN212956992U (en) | Cage structural unit of fabricated building and fabricated cage structural building | |
| CN211523591U (en) | Assembled replaceable coupling beam damper | |
| CN210086476U (en) | Assembled steel frame structure support node and connecting device thereof | |
| CN110173058B (en) | Assembled composite two-stage energy dissipation damper | |
| CN114575451A (en) | Construction method of assembled reinforced concrete frame | |
| CN203859400U (en) | Bus framework for 110kV outdoor power distribution unit | |
| CN112900625A (en) | Assembled building main body frame construction | |
| CN112900624A (en) | Assembly type building structure | |
| CN219653947U (en) | Girder steel and concrete PC roof beam connection structure | |
| CN110847529A (en) | Simple to operate's pin-connected panel railing | |
| CN211080543U (en) | Assembly type concrete horizontal member mounting device | |
| CN219219351U (en) | Steel-pipe column and column base equipment mosaic structure | |
| CN219298473U (en) | Quick-assembly modularized house node and system | |
| CN210134582U (en) | Connecting structure of concrete main beam and profile steel secondary beam | |
| CN214462891U (en) | Support frame mounting structure for construction of shear wall outer wall | |
| CN216740821U (en) | Reinforcing and pressing device for steel plate for opening masonry wall | |
| CN211647430U (en) | Steel structure reinforcing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |