CN220503940U - Large-scale tower crane foundation structure close to bearing platform outer wall - Google Patents
Large-scale tower crane foundation structure close to bearing platform outer wall Download PDFInfo
- Publication number
- CN220503940U CN220503940U CN202321662803.4U CN202321662803U CN220503940U CN 220503940 U CN220503940 U CN 220503940U CN 202321662803 U CN202321662803 U CN 202321662803U CN 220503940 U CN220503940 U CN 220503940U
- Authority
- CN
- China
- Prior art keywords
- tower crane
- wall
- bearing platform
- embedded
- cracking
- 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
- 238000005336 cracking Methods 0.000 claims abstract description 31
- 239000004567 concrete Substances 0.000 claims abstract description 18
- 238000002955 isolation Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 238000004080 punching Methods 0.000 abstract description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Landscapes
- Foundations (AREA)
Abstract
The utility model discloses a large tower crane foundation structure adjacent to the outer wall of a bearing platform, which comprises an embedded tower crane upright post arranged in an open caisson, wherein the embedded tower crane upright post is arranged close to the edge of one side of the open caisson, the side wall, close to the open caisson, of the embedded tower crane upright post is a first side wall, shear keys are arranged on the other three side walls except the first side wall, and an isolation layer is coated on the first side wall so as to isolate the embedded tower crane upright post from concrete. According to the utility model, the embedded tower crane upright post is arranged near one side edge of the open caisson, so that mutual interference between the tower crane and the cable tower bracket is avoided, meanwhile, the arranged isolation layer can avoid cracking of the top surface of the bearing platform, the arranged shear key can transmit the counterforce of the embedded tower crane upright post to the inner side of the cable tower bearing platform, and the stress of the outer wall of the bearing platform is reduced, namely, when the embedded tower crane upright post is arranged near the edge of the open caisson, the problem that the concrete punching resistance of the outer wall of the bearing platform does not meet the requirement is avoided.
Description
Technical Field
The utility model belongs to the technical field of bridge tower cranes, and particularly relates to a large tower crane foundation structure adjacent to the outer wall of a bearing platform.
Background
In order to meet navigation requirements and future shipping planning, the bridge span at the downstream of the Yangtze river is continuously increased, the bridge cable tower structure is increasingly higher, meanwhile, in order to improve the durability and construction efficiency of the cable tower structure, more bridge towers tend to be steel towers and reinforced concrete combined cable towers, and in order to meet the large-section hoisting requirements of the steel towers, the tower crane scale and hoisting capacity are further increased;
however, the cable tower bearing platform has limited plane size, and the standard section of the large-scale tower crane has larger plane size, so that the risk of mutual interference exists between the tower crane and the cable tower bracket.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a large tower crane foundation structure adjacent to the outer wall of a bearing platform, wherein an embedded tower crane upright post is arranged near one side edge of a sunk well, so that mutual interference between a tower crane and a cable tower bracket is avoided, meanwhile, the arranged isolation layer can avoid cracking of the top surface of the bearing platform, a shear key can transmit the counterforce of the embedded tower crane upright post to the inner side of the cable tower bearing platform, and the stress of the outer wall of the bearing platform is reduced, namely, the problem that the concrete punching resistance of the outer wall of the bearing platform does not meet the requirement when the embedded tower crane upright post is arranged near the edge of the sunk well is avoided.
The aim of the utility model is achieved by the following technical scheme:
the utility model provides a close to large-scale tower crane foundation structure of cushion cap outer wall, includes the pre-buried tower crane stand of setting in the open caisson, pre-buried tower crane stand is close to one side edge setting of open caisson, just on the pre-buried tower crane stand with the lateral wall that the open caisson is close to is first lateral wall, all be provided with the shear key on the other three lateral walls of first lateral wall of removal on the pre-buried tower crane stand, still the coating has the isolation layer on the first lateral wall, for pre-buried tower crane stand and concrete isolation.
In one embodiment, one end of the shear key is flush with the bottom of the pre-buried tower crane upright, a space is reserved between the other end of the shear key and the top of the pre-buried tower crane upright, and the isolation layer is coated on the side wall of the pre-buried tower crane upright except for the part where the shear key is arranged.
In one embodiment, the shear key is composed of a stiffening plate and shear steel bars, one side of the stiffening plate is arranged on the side wall of the embedded tower crane upright post, a plurality of through holes are formed in the stiffening plate, and the shear steel bars penetrate through the stiffening plate along the width direction of the embedded tower crane upright post.
In one embodiment, the two ends of the shear steel bar are flush with the pre-buried tower crane upright.
In one embodiment, the top of the stiffening plate is further provided with an anti-cracking component, and the anti-cracking component extends along the width direction of the pre-buried tower crane upright column so as to relieve stress concentrated on the top of the stiffening plate.
In one embodiment, the anti-cracking assembly comprises anti-cracking layers which are stacked, each anti-cracking layer is provided with a plurality of anti-cracking reinforcing bars which are sequentially arranged, and the anti-cracking reinforcing bars between two adjacent anti-cracking layers extend vertically to each other.
In one embodiment, the isolation layer is formed from grease coated on the pre-buried tower crane columns.
The utility model has the beneficial effects that:
the embedded tower crane upright column is close to one side edge of the open caisson, so that the problem that the concrete punching resistance of the outer wall of the bearing platform does not meet the requirement when the embedded tower crane upright column is close to the open caisson is avoided, when the plane size of the standard section of the large-scale tower crane is larger, mutual interference between the tower crane and the cable tower support is avoided, the bearing platform top surface is prevented from being cracked by the aid of the isolating layer arranged at the same time, the embedded tower crane upright column counter force can be transmitted to the inner side of the cable tower bearing platform by the aid of the shear key arranged at the same time, the stress of the outer wall of the bearing platform is reduced, namely, the problem that the concrete punching resistance of the outer wall of the bearing platform does not meet the requirement when the embedded tower crane upright column is close to the open caisson is avoided, and the crack resistance component arranged above the shear key can prevent the local stress concentration of the top of the stiffening plate from causing concrete cracking.
Drawings
The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.
Wherein:
FIG. 1 shows a plan layout of an embedded tower crane column of the present utility model;
FIG. 2 shows a schematic structural view of an embedded tower crane column of the present utility model;
in the drawings, like parts are designated with like reference numerals. The figures are not to scale.
Reference numerals:
1-stiffening plates, 2-shear steel bars, 3-anti-cracking steel bars, 4-isolation layers, 5-embedded tower crane columns, 6-open caisson and 7-first side walls.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
The utility model provides a large tower crane foundation structure adjacent to the outer wall of a bearing platform, which is shown in fig. 1 and 2, and comprises an embedded tower crane column 5 arranged in an open caisson 6, wherein the embedded tower crane column 5 is arranged close to one side edge of the open caisson 6, the side wall, close to the open caisson 6, of the embedded tower crane column 5 is a first side wall 7, shear keys are arranged on the other three side walls, except the first side wall 7, of the embedded tower crane column 5, and an isolation layer 4 is coated on the first side wall 7 so as to isolate the embedded tower crane column 5 from concrete;
it should be noted that, as shown in fig. 1, in this embodiment, the embedded tower crane column 5 is a part of the tower crane standard joint embedded in the bearing platform concrete, the embedded tower crane column 5 is disposed close to the outer side of the open caisson 6, so as to avoid mutual interference between the tower crane and the cable tower support when the planar size of the cable tower bearing platform is limited and the planar size of the large-scale tower crane standard joint is larger, and meanwhile, only the shear keys are disposed on the three side walls of the embedded tower crane column 5 close to the inner side direction of the bearing platform, and the first side wall 7 is not provided with the shear keys, that is, the reaction force of the embedded tower crane column 5 is transmitted to the bearing platform inner side concrete, so that the bearing platform outer side concrete is not stressed, and the problem that the punching resistance of the bearing platform outer wall concrete does not meet the requirement can be avoided in the installation state.
Specifically, as shown in fig. 2, one end of the shear key is flush with the bottom of the embedded tower crane upright 5, a space is reserved between the other end of the shear key and the top of the embedded tower crane upright 5, the part, except for the part where the shear key is arranged, on the side wall of the embedded tower crane upright 5 is coated with an isolation layer 4, namely the height of the shear key is not required to be consistent with that of the embedded tower crane upright 5, one end of the shear key is flush with the bottom of the embedded tower crane upright 5, the rest part of the side wall of the embedded tower crane upright 5 is coated with the isolation layer 4, and the isolation layer 4 on the first side wall 7 jointly prevents the counter force of the embedded tower crane upright 5 from being transmitted to the outer wall of the bearing platform and the top surface of the bearing platform concrete;
further, the isolation layer 4 is formed by grease coated on the embedded tower crane upright post 5, namely, the side wall of the embedded tower crane upright post 5 is separated from concrete;
specifically, as shown in fig. 2, the shear key is composed of a stiffening plate 1 and shear steel bars 2, one side of the stiffening plate 1 is arranged on the side wall of an embedded tower crane upright 5, a plurality of through holes are formed in the stiffening plate 1, and the shear steel bars 2 are arranged on the stiffening plate 1 in a penetrating manner along the width direction of the embedded tower crane upright 5;
in one embodiment, two ends of the shear steel bars 2 are flush with the pre-buried tower crane upright posts 5, namely, the corresponding shear steel bars 2 are arranged according to the width dimension of the pre-buried tower crane upright posts 5;
in one embodiment, the top of the stiffening plate 1 is further provided with an anti-cracking component, and the anti-cracking component extends along the width direction of the pre-buried tower crane upright 5 so as to relieve the stress concentrated on the top of the stiffening plate 1;
specifically, as shown in fig. 2, the anti-cracking assembly comprises anti-cracking layers which are stacked, each anti-cracking layer is provided with a plurality of anti-cracking steel bars 3 which are sequentially arranged, the anti-cracking steel bars 3 between two adjacent anti-cracking layers extend vertically to each other, namely the anti-cracking steel bars 3 are arranged in a crossed layered manner, so that concrete cracking caused by local stress concentration at the top of the stiffening plate 1 is avoided, and the stability of the tower crane is improved;
namely, when the embedded tower crane upright post 5 is stressed, the counter force of the tower crane support is transmitted to the inner side of the bearing platform through the shear key due to the action of the isolation layer 4 arranged on the side wall of the embedded tower crane upright post, the stress of the concrete on the outer wall of the bearing platform and the concrete on the top surface of the bearing platform is smaller, and the anti-cracking reinforcing steel bars 3 are arranged on the top surface of the shear key, so that the top surface of the stiffening plate 1 is concentrated in stress and cracks when the tower crane upright post is pulled.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "bottom," "top," "front," "rear," "inner," "outer," "left," "right," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
Although the utility model herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present utility model. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present utility model as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways other than as described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.
Claims (7)
1. The utility model provides a close to large-scale tower crane foundation structure of cushion cap outer wall, its characterized in that, including setting up the pre-buried tower crane stand in the open caisson, pre-buried tower crane stand is close to one side edge setting of open caisson, just on the pre-buried tower crane stand with the lateral wall that the open caisson is close to is first lateral wall, all be provided with the shear key on the other three lateral wall of first lateral wall is got rid of on the pre-buried tower crane stand, still the coating has the isolation layer on the first lateral wall, for pre-buried tower crane stand and concrete isolation.
2. The large-scale tower crane foundation structure adjacent to the outer wall of the bearing platform according to claim 1, wherein one end of the shear key is flush with the bottom of the embedded tower crane upright, a space is reserved between the other end of the shear key and the top of the embedded tower crane upright, and the isolation layer is coated on the side wall of the embedded tower crane upright except for the part where the shear key is arranged.
3. The large tower crane foundation structure adjacent to the outer wall of the bearing platform according to claim 1, wherein the shear key is composed of a stiffening plate and shear steel bars, one side of the stiffening plate is arranged on the side wall of the embedded tower crane upright post, a plurality of through holes are formed in the stiffening plate, and the shear steel bars penetrate through the stiffening plate along the width direction of the embedded tower crane upright post.
4. A large tower crane foundation structure adjacent to the outer wall of the bearing platform according to claim 3, wherein the two ends of the shear steel bars are flush with the pre-buried tower crane upright.
5. A large tower crane foundation structure adjacent to the outer wall of the bearing platform according to claim 3, wherein an anti-cracking component is further arranged at the top of the stiffening plate, and the anti-cracking component extends along the width direction of the pre-buried tower crane upright column so as to relieve stress concentrated at the top of the stiffening plate.
6. The foundation structure of a large-scale tower crane adjacent to the outer wall of a bearing platform according to claim 5, wherein the anti-cracking assembly comprises anti-cracking layers which are arranged in a stacked manner, each anti-cracking layer is provided with a plurality of anti-cracking reinforcing bars which are arranged in sequence, and the anti-cracking reinforcing bars between two adjacent anti-cracking layers extend vertically to each other.
7. A large scale tower crane foundation structure adjacent to the outer wall of a platform as claimed in claim 1, wherein the insulation layer is formed from grease applied to the pre-buried tower crane columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321662803.4U CN220503940U (en) | 2023-06-27 | 2023-06-27 | Large-scale tower crane foundation structure close to bearing platform outer wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321662803.4U CN220503940U (en) | 2023-06-27 | 2023-06-27 | Large-scale tower crane foundation structure close to bearing platform outer wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220503940U true CN220503940U (en) | 2024-02-20 |
Family
ID=89867818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321662803.4U Active CN220503940U (en) | 2023-06-27 | 2023-06-27 | Large-scale tower crane foundation structure close to bearing platform outer wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220503940U (en) |
-
2023
- 2023-06-27 CN CN202321662803.4U patent/CN220503940U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210458941U (en) | High-performance steel bridge deck structure | |
| CN106522419B (en) | Adjacent beam-supporting column conversion beam that strides and set up steel sheet concrete shear force wall | |
| CN104895229A (en) | Prefabricated steel joint concrete slab-column structure and hoisting method thereof | |
| CN105178354B (en) | One farming word beam column cap and flatslab construction system | |
| CN112982824A (en) | Notch steel beam with flange embedded into floor slab, floor slab structure and construction method | |
| CN101781912A (en) | Vertical positioning connection structure of tower body of tower mast mechanical equipment and foundation | |
| CN108999427B (en) | Support structure for moving load during building migration in place and construction method thereof | |
| CN220503940U (en) | Large-scale tower crane foundation structure close to bearing platform outer wall | |
| CN104846741A (en) | SCS (steel concrete steel) bridge deck with internal vertical J-shaped connecting structures | |
| CN214399425U (en) | Newly-increased double-elevator supporting structure for reconstruction and extension project | |
| CN111576472A (en) | Anti-pulling device and construction method thereof | |
| CN203334423U (en) | Rebar joint structure of prefabricated stacked balcony slab and main body | |
| CN109695289B (en) | Crack-resistant prefabricated superposed balcony slab and construction method thereof | |
| CN215254807U (en) | Heavy-load double-ribbed-plate I-shaped steel beam steel module splicing structure | |
| CN211228642U (en) | Large-area static load test bearing plate | |
| CN212295030U (en) | Commercial basement roof structure for dwelling | |
| CN114991555A (en) | Newly-added rib beam type variable cross-section wing plate reinforced independent foundation and construction method thereof | |
| CN113250226A (en) | Prefabricated prestressed concrete foundation, container module building and module building system | |
| CN207905171U (en) | The fixed mechanism of assembled wallboard in wall structure | |
| CN212427177U (en) | Anti-pulling device | |
| CN202645885U (en) | Tower of wind-driven generator set | |
| CN211621657U (en) | Tower crane foundation | |
| CN217128295U (en) | Steel pipe concrete multi-support-column foundation | |
| CN217480908U (en) | Connecting structure of assembled integrated house | |
| CN214525774U (en) | Steel-pipe pile stacks structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |