CN211850723U - Fixing structure of I-steel of overhanging scaffold - Google Patents
Fixing structure of I-steel of overhanging scaffold Download PDFInfo
- Publication number
- CN211850723U CN211850723U CN202020391036.8U CN202020391036U CN211850723U CN 211850723 U CN211850723 U CN 211850723U CN 202020391036 U CN202020391036 U CN 202020391036U CN 211850723 U CN211850723 U CN 211850723U
- Authority
- CN
- China
- Prior art keywords
- reinforcing
- connecting rod
- steel
- fixing structure
- rod
- 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
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a fixed knot of scaffold frame I-steel encorbelments constructs belongs to building engineering technical field. It has solved the problem that current I-steel clamping ring only is fit for being used for cast-in-place thick concrete. This scaffold frame I-steel's fixed knot that encorbelments structure includes the clamp plate, at least one end anchor slab, at least a pair of head rod, at least a pair of second connecting rod and at least a pair of adapter sleeve, the head rod, second connecting rod and adapter sleeve one-to-one set up, the end anchor slab is arranged in the embedding and fixes in the prefabricated plate, the bottom of head rod can stretch into in the prefabricated plate and link firmly mutually with the end anchor slab that corresponds, the top of head rod links firmly mutually with the adapter sleeve that corresponds, the bottom of second connecting rod can be dismantled with the adapter sleeve that corresponds and link firmly mutually, the top of second connecting rod can be dismantled with the clamp plate and link firmly mutually. The fixing structure of the I-shaped steel of the cantilever scaffold is suitable for an application mode combining factory precast slabs and on-site concrete pouring, and improves safety.
Description
Technical Field
The utility model belongs to the technical field of building engineering, a fixed knot of scaffold frame I-steel encorbelments constructs is related to.
Background
The scaffold is various supports which are erected for workers to operate and solve vertical and horizontal transportation on a construction site, generally, the scaffold is erected in main engineering construction of a high-rise building, and the overhanging scaffold is generally applied to high-rise and super high-rise engineering construction at present.
The scaffold frame of encorbelmenting includes the I-steel, and the I-steel links firmly on the building through the clamping ring, and present clamping ring, chinese patent document for example discloses clamping ring [ application number: 201520984443.9, respectively; authorization notice number: CN205153506U ], which comprises more than two adjustable bases, each adjustable base is fixed with a screw; the pressing plate is provided with at least one first round hole and at least one adjustable waist-shaped hole which are matched with the screws, one screw penetrates through the first round hole, and the other screw penetrates through the adjustable waist-shaped hole.
The compression ring with the structure has the advantages that concrete is cast in situ, a template needs to be manufactured on a construction site before the concrete is cast, the adjustable base and the screw rod are embedded in advance, and then the concrete is cast and tamped to fix the adjustable base and the screw rod in the concrete. In the building process, the solidification of concrete takes time, and the installation and the removal of the template also take time, therefore, in order to improve the construction efficiency, one of the existing construction methods is to process the precast slabs in a factory, then the precast slabs are transported to a construction site for assembly, concrete is laid on the precast slabs, the thickness of the concrete and the thickness of the precast slab are equal to the thickness required by the original concrete, the cast-in-place concrete is thinner, the time required by the concrete solidification is short, and meanwhile, the template does not need to be removed, but because the precast slab is solidified and hard, the adjustable base and the screw rod of the structure can only be embedded in a newly poured concrete layer, the newly poured concrete layer is thin, sufficient strength cannot be provided, the problem that the I-shaped steel loosens and falls off after being fixed can be caused, safety accidents can be caused, and obviously, the compression ring of the structure cannot be applied.
Disclosure of Invention
The utility model aims at the above-mentioned problem that exists among the prior art, provide a scaffold frame I-steel's fixed knot structure encorbelments, the technical problem of solution makes the fixed knot of I-steel construct and be adapted to the application mode that mill's prefabricated plate and site concrete pouring combined together, improves the security.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a fixed knot of scaffold frame I-steel encorbelments constructs, includes clamp plate and at least one end anchor slab, its characterized in that, fixed knot construct still includes at least a pair of head rod, at least a pair of second connecting rod and at least a pair of adapter sleeve, head rod, second connecting rod and adapter sleeve one-to-one set up, the end anchor slab is arranged in the embedding to be fixed in the prefabricated plate, the bottom of head rod can stretch into in the prefabricated plate and link firmly with the end anchor slab that corresponds, the top of head rod links firmly mutually with the adapter sleeve that corresponds, the bottom of second connecting rod can be dismantled with the adapter sleeve that corresponds and link firmly mutually, the top of second connecting rod can be dismantled with the clamp plate and link firmly mutually.
The prefabricated slab is prefabricated in a factory, in the process of manufacturing the prefabricated slab, the bottom end of a first connecting rod is fixedly connected with an end anchor plate in a welding mode, then the end anchor plate is placed at a set position, concrete is poured, the prefabricated slab is formed after the concrete is solidified, the top of the first connecting rod is exposed outside the prefabricated slab and is proper in exposed length, in the transportation process, a batten can be placed between an upper prefabricated slab and a lower prefabricated slab, and the first connecting rod is not bent in the transportation process. During on-site construction, the prefabricated plate is assembled, then the connecting sleeve is fixed at the top end of the first connecting rod (in actual construction, the connecting sleeve can also be fixed on the first connecting rod when the prefabricated plate is manufactured), then the second connecting rod is connected through the connecting sleeve, concrete is cast in place and solidified, the I-shaped steel is placed on the solidified concrete, and the I-shaped steel is pressed through the fixing of the pressing plate and the second connecting rod. After the use is accomplished, when dismantling, pull down the clamp plate earlier, then as long as exert certain external force with the second connecting rod take out from cast in situ concrete can, end anchor slab, head rod and adapter sleeve are stayed prefabricated plate and cast in situ concrete, get up the additional strengthening of similar reinforcing bar, can increase strength, and fixed knot constructs after dismantling simultaneously, and the hole in the concrete is the blind hole, and not both ends run through, and it is convenient to fill, and it is effectual to fill. The fixing structure is two-section, the end anchor plate and the first connecting rod are embedded in the precast slab in advance in a factory, and the second connecting rod is embedded in newly poured concrete, so that the fixing structure is embedded in the concrete to a deeper depth and has enough strength, the problem that the I-shaped steel cannot shake or fall off after being fixed is solved, the fixing structure is suitable for an application mode of combining the precast slab in the factory and the site concrete pouring, and the safety is improved.
In the fixing structure of the I-shaped steel of the cantilever scaffold, the top end of the first connecting rod is positioned outside the precast slab, and the connecting sleeve is fixedly connected to the top end of the first connecting rod and positioned outside the precast slab. According to the structure, when the prefabricated plate is machined, the connecting sleeve does not need to be connected to the top end of the first connecting rod, and the connecting sleeve can be fixedly connected after the prefabricated plate is machined.
As another case, in the fixing structure of the cantilever scaffold i-steel, the bottom of the connecting sleeve is embedded and fixed in the precast slab. The connecting sleeve is fixed on the top end of the first connecting rod after being processed on the prefabricated plate.
In foretell scaffold frame I-steel's fixed knot that encorbelments structure, the adapter sleeve is cylindricly, the internal thread has on the inside wall of adapter sleeve, the top of head rod with the bottom of second connecting rod is the external screw thread structure. The prefabricated slab connecting sleeve is fixedly connected in a threaded mode, is convenient to fixedly connect and is suitable for being sleeved with the connecting sleeve after the prefabricated slab is machined.
As another aspect, in the above-mentioned fixed knot of scaffold frame i-steel that encorbelments, the adapter sleeve is cylindricly, internal thread has on the inside wall of adapter sleeve, the top of first connecting rod links firmly mutually with the adapter sleeve through the welded mode, the bottom of second connecting rod has the external screw thread structure. The structure is suitable for fixedly connecting the connecting sleeve with the first connecting rod and then processing the prefabricated plate.
In the fixing structure of the cantilever scaffold I-steel, the bottom of the end anchor plate is provided with the backing plate made of a plastic material, and the end anchor plate is embedded in the backing plate. The end anchor plate is an iron plate and has the problem of rusting, while the backing plate is a plastic plate and cannot rust, so that the end anchor plate can be shielded, rust on the end anchor plate cannot be printed out, and the construction quality is improved.
In foretell scaffold frame I-steel's fixed knot that encorbelments constructs, the prefabricated plate includes the body made by the concrete, vertically sets up the reinforcement frame and the reinforcement strip that transversely sets up, reinforcement frame and reinforcement strip are mutually perpendicular, the top protrusion of reinforcement frame sets up outside this body, the bottom embedding of reinforcement frame is fixed in the body, the reinforcement strip is worn to establish in the body, just the reinforcement strip passes the reinforcement frame and supports and lean on the reinforcement frame. The reinforcing frame and the reinforcing strips play a role in enhancing strength, the top of the reinforcing frame protrudes out of the body, so that the reinforcing frame is matched with the cast-in-place concrete, the cast-in-place concrete and the prefabricated slab can be better combined, and the strength is improved.
In foretell scaffold frame I-steel's fixed knot that encorbelments structure, the reinforcement includes that first stiffener, two second stiffeners and a plurality of are the reinforcement of V font, first stiffener and two second stiffeners are isosceles triangle and set up, first stiffener is located originally externally, two the second stiffener is located the body, the pointed end and the first stiffener of reinforcement link firmly mutually, the other end and the second stiffener that corresponds of reinforcement link firmly mutually. The reinforcing frame is a three-dimensional hollow structure, and concrete can be better embedded into the reinforcing frame, so that the reinforcing frame has a better reinforcing strength effect.
In the fixing structure of the cantilever scaffold I-steel, the reinforcing bars penetrate through the corresponding reinforcing pieces and abut against the second reinforcing rods. The reinforcing strip and the reinforcing frame are better in matching effect, and the reinforcing strength is improved.
In the fixing structure of the I-shaped steel of the cantilever scaffold, the top of the reinforcing frame is positioned above the connecting sleeve along the vertical direction. The reinforcing frame can possibly block some heavy objects, so that the reinforcing frame plays a certain protection role on the connecting sleeve, the connecting sleeve is prevented from being bent and deformed, and the problem that the second connecting rod cannot be disassembled does not exist when the second connecting rod is disassembled.
Compared with the prior art, the utility model provides a pair of fixed knot of scaffold frame I-steel encorbelments frame constructs has following advantage:
1. the fixing structure is two-section, the end anchor plate and the first connecting rod are embedded in the precast slab in advance in a factory, and the second connecting rod is embedded in newly poured concrete, so that the fixing structure is embedded in the concrete to a deeper depth and has enough strength, the problem that the I-shaped steel cannot shake or fall off after being fixed is solved, the fixing structure is suitable for an application mode of combining the precast slab in the factory and the site concrete pouring, and the safety is improved.
2. After the fixing structure is dismantled, the end anchor plate, the first connecting rod and the connecting sleeve are left in the prefabricated plate and the cast-in-place concrete, the end anchor plate, the first connecting rod and the connecting sleeve are similar to the action of a steel bar, the strength is increased, and after the fixing structure is dismantled, exposed holes are blind holes instead of penetrating through at two ends, so that the fixing structure is convenient to fill and good in filling effect.
3. This fixed knot constructs sets up the backing plate in the bottom of end anchor board, makes the rust on the end anchor board can not print out, improves the quality.
Drawings
Fig. 1 is an overall structural schematic diagram of a fixing structure of the cantilever scaffold i-steel.
Fig. 2 is a use state diagram of the fixing structure of the cantilever scaffold I-steel.
Fig. 3 is a schematic structural view of a reinforcing frame of the prefabricated panel.
In the figure, 1, a pressure plate; 2. an end anchor plate; 3. a first connecting rod; 4. a second connecting rod; 5. connecting sleeves; 6. prefabricating a slab; 61. a body; 62. a reinforcing frame; 621. a first reinforcement bar; 622. a second reinforcement bar; 623. a reinforcement; 63. a reinforcing strip; 7. a base plate; 8. casting concrete in situ; 9. and (4) H-shaped steel.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1 and 2, the fixing structure is suitable for the application mode of combining factory precast slabs 6 and on-site concrete pouring. The fixing structure of the cantilever scaffold I-steel 9 comprises a pressing plate 1, an end anchor plate 2, a first connecting rod 3, a second connecting rod 4, a connecting sleeve 5 and a base plate 7. In this embodiment, the number of the end anchor plate 2, the first connecting rod 3, the second connecting rod 4, the connecting sleeve 5 and the backing plate 7 is two, the end anchor plate 2, the first connecting rod 3, the second connecting rod 4, the connecting sleeve 5 and the backing plate 7 are arranged in a one-to-one correspondence manner, and in actual production, the number of the end anchor plate 2, the first connecting rod 3, the second connecting rod 4, the connecting sleeve 5 and the backing plate 7 can be four or six.
The end anchor plate 2 and the pressing plate 1 are iron plates, the first connecting rod 3, the second connecting rod 4 and the connecting sleeve 5 are all made of metal materials made of iron, and the backing plate 7 is made of plastic materials. The end anchor plate 2 is embedded and fixed in the precast slab 6, a backing plate 7 is arranged at the bottom of the end anchor plate 2, the end anchor plate 2 is embedded and arranged in the backing plate 7, and the backing plate 7 is positioned in the precast slab 6.
The bottom of head rod 3 stretches into in the prefabricated plate 6 and links firmly through the welded mode mutually with corresponding end anchor board 2, in this embodiment, the top of head rod 3 is located outside prefabricated plate 6, adapter sleeve 5 links firmly on the top of head rod 3 and is located outside prefabricated plate 6, the bottom of second connecting rod 4 can be dismantled with corresponding adapter sleeve 5 and link firmly mutually, particularly, adapter sleeve 5 is cylindricly, the internal thread has on the inside wall of adapter sleeve 5, the top of head rod 3 and the bottom of second connecting rod 4 are the external screw thread structure, in actual production, the bottom embedding of adapter sleeve 5 is fixed in prefabricated plate 6. The top of second connecting rod 4 can be dismantled with clamp plate 1 and link firmly mutually, specifically, has the through-hole on the clamp plate 1, and the top of second connecting rod 4 has the external screw thread, screws at the top of second connecting rod 4 through the nut and pushes down clamp plate 1.
The prefabricated slab 6 comprises a body 61 made of concrete, a reinforcing frame 62 arranged longitudinally and a reinforcing bar 63 arranged transversely, the reinforcing frame 62 is perpendicular to the reinforcing bar 63, the reinforcing frame 62 comprises a first reinforcing bar 621, two second reinforcing bars 622 and a V-shaped reinforcing piece 623, the reinforcing bar 63, the first reinforcing bar 621, the second reinforcing bar 622 and the reinforcing piece 623 are all made of steel bars, in the embodiment, the number of the reinforcing pieces 623 is thirty, and in actual production, the number of the reinforcing pieces 623 can be twenty or forty. The top of the reinforcing frame 62 is protruded out of the body 61, the bottom of the reinforcing frame 62 is embedded and fixed in the body 61, as shown in fig. 3, the first reinforcing bar 621 and the two second reinforcing bars 622 are arranged in an isosceles triangle, the first reinforcing bar 621 is located outside the body 61, the two second reinforcing bars 622 are located in the body 61, the tip of the reinforcing member 623 is fixedly connected with the first reinforcing bar 621, and the other end of the reinforcing member 623 is fixedly connected with the corresponding second reinforcing bar 622. Reinforcing bars 63 are inserted in the body 61, the reinforcing bars 63 passing through the corresponding reinforcement 623 and resting on the second reinforcement bar 622. The top of the reinforcing frame 62 is located above the connecting sleeve 5 in the vertical direction.
The prefabricated slab 6 is manufactured in advance in a factory, in the process of manufacturing the prefabricated slab 6, the bottom end of a first connecting rod 3 is fixedly connected with an end anchor plate 2 in a welding mode, then the end anchor plate 2 is placed at a set position, concrete is poured, the prefabricated slab 6 is formed after the concrete is solidified, the top of the first connecting rod 3 is exposed out of the prefabricated slab 6, and a connecting sleeve 5 is sleeved on the top of the first connecting rod 3 in a rotating mode. And then, the prefabricated slabs 6 are transported to a construction site, and during the transportation process, the prefabricated slabs 6 are transversely placed, and the upper prefabricated slab 6 and the lower prefabricated slab 6 are separated by a wood strip. During on-site construction, the prefabricated plate 6 is assembled firstly, the bottom of the second connecting rod 4 is fixedly connected with the connecting sleeve 5, concrete 8 is cast in situ and solidified, the I-shaped steel 9 is placed on the solidified concrete, and the I-shaped steel 9 is fixedly pressed through the matching of the pressing plate 1, the nut and the second connecting rod 4. During the dismantlement, swivel nut dismantles clamp plate 1, then rotates second connecting rod 4 and dismantles second connecting rod 4, pours the concrete into the hole that second connecting rod 4 formed after being pulled out again can.
Example two
The structure and the principle of this embodiment are the same as those of embodiment one, and the difference lies in, in this embodiment, adapter sleeve 5 is cylindricly, has the internal thread on the inside wall of adapter sleeve 5, and the top of first connecting rod 3 links firmly mutually with adapter sleeve 5 through the welded mode, and the bottom of second connecting rod 4 has the external screw thread structure.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms of the pressing plate 1, the end anchor plate 2, the first connecting rod 3, the second connecting rod 4, the connecting sleeve 5, the precast slab 6, the body 61, the reinforcing frame 62, the first reinforcing rod 621, the second reinforcing rod 622, the reinforcing member 623, the reinforcing bar 63, the pad plate 7, the cast-in-place concrete 8, the i-steel 9, etc., are used more, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. A fixing structure of I-steel of a cantilever scaffold comprises a pressing plate (1) and at least one end anchor plate (2), it is characterized in that the fixed structure also comprises at least one pair of first connecting rods (3), at least one pair of second connecting rods (4) and at least one pair of connecting sleeves (5), the first connecting rods (3), the second connecting rods (4) and the connecting sleeves (5) are arranged in a one-to-one correspondence manner, the end anchor plates (2) are used for being embedded and fixed in the precast slabs (6), the bottom ends of the first connecting rods (3) can extend into the precast slabs (6) and are fixedly connected with the corresponding end anchor plates (2), the top end of the first connecting rod (3) is fixedly connected with the corresponding connecting sleeve (5), the bottom of the second connecting rod (4) is detachably and fixedly connected with the corresponding connecting sleeve (5), the top of the second connecting rod (4) is detachably and fixedly connected with the pressing plate (1).
2. A fixing structure of an i-beam of a cantilever scaffold according to claim 1, wherein the top end of the first connecting rod (3) is located outside the precast slab (6), and the connecting sleeve (5) is fixedly connected to the top end of the first connecting rod (3) and located outside the precast slab (6).
3. A fixing structure of an i-beam of a cantilever scaffold according to claim 1, wherein the bottom of the connecting sleeve (5) is embedded and fixed in the precast slab (6).
4. The fixing structure of the I-steel of the overhanging scaffold according to claim 1, 2 or 3, wherein the connecting sleeve (5) is cylindrical, the inner side wall of the connecting sleeve (5) is provided with internal threads, and the top end of the first connecting rod (3) and the bottom end of the second connecting rod (4) are both in external thread structure.
5. The fixing structure of the I-steel of the cantilever scaffold according to claim 1, 2 or 3, wherein the connecting sleeve (5) is cylindrical, the inner side wall of the connecting sleeve (5) is provided with internal threads, the top end of the first connecting rod (3) is fixedly connected with the connecting sleeve (5) in a welding manner, and the bottom end of the second connecting rod (4) is provided with an external thread structure.
6. A fixing structure of an overhanging scaffold i-steel according to claim 1, 2 or 3, characterized in that the bottom of the end anchor plate (2) is provided with a backing plate (7) made of plastic material, and the end anchor plate (2) is embedded in the backing plate (7).
7. A fixing structure of an i-steel for a cantilever scaffold according to claim 1, 2 or 3, wherein the precast slab (6) comprises a body (61) made of concrete, a reinforcing frame (62) arranged longitudinally and a reinforcing bar (63) arranged transversely, the reinforcing frame (62) and the reinforcing bar (63) are perpendicular, the top of the reinforcing frame (62) is arranged outside the body (61) in a protruding manner, the bottom of the reinforcing frame (62) is fixed in the body (61) in an embedded manner, the reinforcing bar (63) is arranged in the body (61) in a penetrating manner, and the reinforcing bar (63) passes through the reinforcing frame (62) and abuts against the reinforcing frame (62).
8. The fixing structure of the cantilever scaffold I-steel of claim 7, wherein the reinforcing frame (62) comprises a first reinforcing rod (621), two second reinforcing rods (622) and a plurality of V-shaped reinforcing members (623), the first reinforcing rod (621) and the two second reinforcing rods (622) are arranged in an isosceles triangle shape, the first reinforcing rod (621) is positioned outside the body (61), the two second reinforcing rods (622) are positioned in the body (61), the tip end of each reinforcing member (623) is fixedly connected with the first reinforcing rod (621), and the other end of each reinforcing member (623) is fixedly connected with the corresponding second reinforcing rod (622).
9. A fixing structure of an overhanging scaffold I-steel according to claim 8, characterized in that the reinforcing bar (63) passes through the corresponding reinforcement (623) and abuts against the second reinforcing bar (622).
10. A fixing structure of a cantilever scaffold I-steel according to claim 7, wherein the top of the reinforcing frame (62) is located above the connecting sleeve (5) in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020391036.8U CN211850723U (en) | 2020-03-24 | 2020-03-24 | Fixing structure of I-steel of overhanging scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020391036.8U CN211850723U (en) | 2020-03-24 | 2020-03-24 | Fixing structure of I-steel of overhanging scaffold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211850723U true CN211850723U (en) | 2020-11-03 |
Family
ID=73137702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020391036.8U Active CN211850723U (en) | 2020-03-24 | 2020-03-24 | Fixing structure of I-steel of overhanging scaffold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211850723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270846A (en) * | 2020-03-24 | 2020-06-12 | 方远建设集团股份有限公司 | Fixing structure of I-steel of overhanging scaffold |
-
2020
- 2020-03-24 CN CN202020391036.8U patent/CN211850723U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270846A (en) * | 2020-03-24 | 2020-06-12 | 方远建设集团股份有限公司 | Fixing structure of I-steel of overhanging scaffold |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106351333A (en) | Precast concrete slab column node and connecting method thereof | |
| CN107152104B (en) | Assembled cavity shear wall horizontal joint tooth socket rotating vane type connection structure | |
| CN110306774B (en) | Method and device for installing socket type cantilever scaffold | |
| CN103174098A (en) | Strengthening method for stress on single plate by using steel reinforced concrete | |
| CN105780964A (en) | Connection structure and construction process for lightweight wall block filler wall and frame structure | |
| CN208136903U (en) | A kind of precast prestressed formula diaphram wall | |
| CN207633740U (en) | The novel anchor of builder's jack | |
| CN211850723U (en) | Fixing structure of I-steel of overhanging scaffold | |
| CN111270846A (en) | Fixing structure of I-steel of overhanging scaffold | |
| CN106759873A (en) | A kind of new prefabricated integral frame structure prefabricated post is constructed with prefabricated beam connecting node | |
| CN220433439U (en) | Splicing device for splicing wide prefabricated T-beam bridge | |
| CN105839851B (en) | Using the construction method for the prefabricated frame trestle that segmentation connection is formed | |
| CN115506623B (en) | Reinforcing method for expanding section of existing wall lower structural beam | |
| CN209323683U (en) | Girder steel and concrete structure connection structure | |
| CN107724384B (en) | Pile-to-pile connection construction method | |
| CN110173041A (en) | Assembled Tenon beam column overhangs joint structure | |
| CN215105454U (en) | Prefabricated and cast-in-place piled raft foundation that combines together | |
| CN210622367U (en) | Prestressed concrete hollow slab reinforcing device | |
| CN110318557B (en) | Prestressed concrete hollow slab reinforcing device and method | |
| CN211058144U (en) | Integral prefabricating and forming structure for embedded part and core cylinder reinforcing mesh of tower crane | |
| CN208586640U (en) | A kind of large form support construction for constructing no holdfast concrete barricade | |
| CN207794321U (en) | Monoblock type fills walling steel tie bar embedded part | |
| CN219887505U (en) | I-steel girder fastening structure encorbelments | |
| CN211499731U (en) | Simple and easy environmental protection I-steel U type clamping ring built-in fitting of encorbelmenting | |
| CN212506782U (en) | Assembly structure of precast concrete component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |