Tower crane foundation structure arranged on original underground structure top plate
By combining steel plates, reinforcing bars, and concrete structures on the existing underground structure's top slab, and utilizing the load-bearing capacity of the existing underground structure's frame columns, the problem of tower crane foundations not being able to be directly placed on the underground structure's top slab was solved, achieving stable and reliable tower crane connections and efficient construction.
Patent Information
- Application Number
- CN202423025336.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-09
Smart Images
Figure CN223458840U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to related technical field of building construction, concretely relates to a tower crane foundation structure set on the original underground structure roof plate. BACKGROUND
[0002] The conventional tower crane foundation is generally arranged outside the building structure under construction or below the raft plate. In many cases, the tower crane foundation arranged outside the structure cannot meet the use function and progress requirement of the building under construction. In addition, the underground building has been completed and put into operation, and it is impossible to arrange the tower crane foundation inside the existing building. Therefore, it is not feasible to pass through the existing underground structure and fix the tower crane on the foundation at the bottom of the existing structure. In the existing underground structure construction, the construction method of arranging the tower crane foundation on the underground structure needs to reserve the tower crane foundation position before the underground structure construction. Holes are reserved on the roof plate of the existing structure foundation to allow the tower crane to pass through the existing underground structure and be fixed on the foundation at the bottom of the existing structure. Such arrangement of the tower crane foundation seriously affects the time node of putting the underground building into operation. After the tower crane is removed, the holes need to be repaired. The reserved hole is a major leakage risk point, and the construction is relatively complex, which also affects the operation of the underground building. Moreover, in the existing technology, the tower crane foundation is arranged on the roof plate of the existing structure. When the existing structure plate is designed, the temporary load of the tower crane foundation is not considered, which leads to poor bearing capacity of the roof plate of the existing underground structure, and the load of the tower crane is concentrated. The roof plate of the existing underground structure cannot bear the total weight of the tower crane foundation, the tower crane itself and the maximum lifting weight. CONTENT OF THE UTILITY MODEL
[0003] The utility model discloses a tower crane foundation structure set on the original underground structure roof plate to solve the technical problem that the tower crane foundation cannot be directly arranged on the roof plate of the existing underground structure, which leads to high construction measure requirement and low construction efficiency.
[0004] The technical scheme for solving the above technical problem is as follows: the tower crane foundation structure set on the original underground structure roof plate comprises a steel plate, a support steel bar, a concrete support column, a concrete main beam, a concrete secondary beam and a concrete connecting plate. Three or more steel plates are arranged on the original underground structure roof plate. Each steel plate is arranged corresponding to one original underground structure frame column below the original underground structure roof plate. The support steel bar is welded on each steel plate. The main beam steel bar is bound between the support steel bars on the adjacent two steel plates. The secondary beam steel bar is bound between the two groups of main beam steel bars arranged oppositely. The concrete connecting plate steel bar is also bound on the main beam steel bar.
[0005] The upper surface of each steel plate is connected with a concrete support column, the support steel bar is embedded in the corresponding concrete support column; two adjacent concrete support columns are connected with a concrete main beam, the main beam steel bar is embedded in the corresponding concrete main beam; two oppositely arranged concrete main beams are connected with a concrete secondary beam, the secondary beam steel bar is embedded in the corresponding concrete secondary beam; the concrete main beam, the concrete secondary beam and the concrete support column are connected with a concrete connecting plate, and the concrete connecting plate steel bar is embedded in the concrete connecting plate.
[0006] The tower crane foundation structure of the utility model is arranged on the original underground structure top plate, bears by means of the original underground structure frame column, is stable and reliable in structure, does not need to damage the original underground structure, does not need to open holes in the existing underground structure plate and does not affect the normal operation of the underground structure, has little influence on the underground operation unit, saves the steps of opening and repairing holes, is simple in construction and improves construction efficiency.
[0007] On the basis of the above technical scheme, the utility model can also be improved as follows.
[0008] Further, the original underground structure top plate is provided with four or more steel plates, and the four or more steel plates are arranged in a rectangular structure.
[0009] The beneficial effect of the above further scheme is that the four or more steel plates arranged in a rectangular structure can uniformly bear force and make the tower crane structure stable and reliable.
[0010] Further, the plurality of concrete secondary beams form a grid type structure.
[0011] The beneficial effect of the above further scheme is that the structure of the concrete secondary beam is stable and reliable.
[0012] Further, the concrete main beam bottom and the original underground structure top plate are reserved with a spacing; and the concrete secondary beam bottom and the original underground structure top plate are reserved with a spacing.
[0013] The beneficial effect of the above further scheme is that the original underground structure top plate does not bear force by reserving a spacing.
[0014] Further, the circumferential side of the steel plate exceeds the circumferential side of the original underground structure frame column by a preset distance.
[0015] Further, the concrete connecting plate steel bar is also fixedly bound with the secondary beam steel bar.
[0016] Further, the concrete connecting plate steel bar is also fixedly bound with the main building raft plate steel bar.
[0017] Further, the top surface of the concrete connecting plate is flush with the top surface of the main building raft plate above the original underground structure top plate.
[0018] Further, the tower crane foundation embedded bolt is embedded in the concrete secondary beam and the concrete connecting plate, and the upper end of the tower crane foundation embedded bolt extends from the top surface of the concrete connecting plate by a preset length.
[0019] The beneficial effect of the further scheme is that the tower crane can be stably connected and fixed by arranging the tower crane foundation embedded bolt. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 The steel plate arrangement schematic view of the present application;
[0021] Figure 2 The structure schematic view of the present application steel plate provided with a concrete support column;
[0022] Figure 3 The internal structure schematic view of the present application tower crane foundation structure provided on the original underground structure top plate;
[0023] Figure 4 The Figure 3 Cross-sectional structure schematic view of A-A.
[0024] In the drawings, the component list represented by each reference numeral is as follows:
[0025] 1, steel plate; 2, concrete support column; 3, concrete main beam; 4, concrete secondary beam; 5, original underground structure top plate; 6, original underground structure frame column; 7, concrete connecting plate; 8, main building raft plate; 9, tower crane foundation embedded bolt; 10, tower crane. DETAILED DESCRIPTION
[0026] The principles and characteristics of the present application are described below in combination with the drawings, and the examples are only used to explain the present application, and are not used to limit the scope of the present application.
[0027] As Figures 1-4 shown, the tower crane foundation structure provided on the original underground structure top plate of the present embodiment includes a steel plate 1, support reinforcement, a concrete support column 2, a concrete main beam 3, a concrete secondary beam 4, and a concrete connecting plate 7. The original underground structure top plate 5 is provided with three or more steel plates 1, each steel plate 1 is arranged corresponding to one original underground structure frame column 6 below the original underground structure top plate 5, each steel plate 1 is welded with support reinforcement, the support reinforcement on adjacent two steel plates 1 is bound with main beam reinforcement, the main beam reinforcement of two groups arranged oppositely is bound with secondary beam reinforcement, and the main beam reinforcement is further bound with concrete connecting plate reinforcement.
[0028] Each steel plate 1 is connected with a concrete support column 2, and the support steel bar is embedded in the corresponding concrete support column 2; two adjacent concrete support columns 2 are connected with a concrete main beam 3, and the main beam steel bar is embedded in the corresponding concrete main beam 3; two oppositely arranged concrete main beams 3 are connected with a concrete secondary beam 4, and the secondary beam steel bar is embedded in the corresponding concrete secondary beam 4; the concrete main beam 3, the concrete secondary beam 4 and the concrete support column 2 are connected with a concrete connecting plate 7, and the concrete connecting plate steel bar is embedded in the concrete connecting plate 7.
[0029] As shown in Figures 1-3 The original underground structure top plate 5 of the embodiment is provided with four or more steel plates 1 arranged in a rectangular structure. The four or more steel plates arranged in a rectangular structure can realize uniform bearing force and stable and reliable tower crane structure.
[0030] A preferred scheme of the embodiment is that, as shown in Figures 1-4 Four steel plates 1 are used, and the four steel plates 1 are respectively located at one corner position of the rectangular structure. Two concrete secondary beams 4 are vertically arranged between two oppositely arranged concrete main beams 3.
[0031] As shown in Figure 3 The plurality of concrete secondary beams 4 of the embodiment form a grid type structure, so that the structure of the concrete secondary beam is stable and reliable. Preferably, four concrete secondary beams 4 are arranged in a well structure.
[0032] As shown in Figure 4 The bottom of the concrete main beam 3 and the original underground structure top plate 5 are reserved with a spacing, and the bottom of the concrete secondary beam 4 and the original underground structure top plate 5 are reserved with a spacing. Through the reserved spacing, the original underground structure top plate is not subjected to bearing force.
[0033] As shown in Figure 4 The peripheral side edges of the steel plate 1 of the embodiment exceed the peripheral side edges of the original underground structure frame column 6 by a preset distance. The steel plate 1 can be a rectangular steel plate, and the original underground structure frame column 6 also adopts a rectangular structure. Each edge of the steel plate 1 exceeds each edge of the original underground structure frame column 6 by a preset distance, for example, 200 mm.
[0034] Preferably, the thickness of the steel plate 1 is 50 mm.
[0035] A preferred scheme of the embodiment is that the concrete connecting plate steel bar is also bound and fixed with the secondary beam steel bar. The concrete connecting plate steel bar is also bound and fixed with the main building raft plate steel bar.
[0036] Preferably, as shown in Figure 4As shown, the top surface of the concrete connecting plate 7 of the embodiment is flush with the top surface of the main building raft 8 above the original underground structure top plate 5.
[0037] As shown, the top surface of the concrete connecting plate 7 of the embodiment is flush with the top surface of the main building raft 8 above the original underground structure top plate 5. Figure 3 And Figure 4 As shown, the tower crane foundation pre-buried bolt 9 is fixed on the secondary beam reinforcement of the embodiment, the tower crane foundation pre-buried bolt 9 is pre-buried in the concrete secondary beam 4 and the concrete connecting plate 7, and the upper end of the tower crane foundation pre-buried bolt 9 protrudes from the top surface of the concrete connecting plate 7 by a predetermined length. By setting the tower crane foundation pre-buried bolt, stable connection and fixation of the tower crane can be achieved.
[0038] Specifically, the concrete secondary beam reinforcement and the intersection position of the concrete secondary beam reinforcement are provided with the tower crane foundation pre-buried bolt 9, and four tower crane foundation pre-buried bolts 9 are preferably arranged at each intersection position. For example, all the concrete secondary beam reinforcements form a cross-shaped grid structure, and a group of tower crane foundation pre-buried bolts 9 can be arranged at the four intersection positions in the middle for connecting the tower crane.
[0039] The concrete main beam and the concrete secondary beam of the embodiment are combined to form a frame beam.
[0040] The tower crane foundation structure of the embodiment uses multiple concrete support columns to transmit the weight of the concrete main beam and the concrete secondary beam to the steel plate, the steel plate uniformly transmits the force to the original underground structure frame column, and the original underground structure frame column transmits the force to the underground structure foundation. The tower crane foundation of this frame beam form is flexible in arrangement, and can be flexibly arranged according to the position, size and form of the existing underground structure frame column, and the size of the tower crane foundation can be flexibly adjusted. The concrete connecting plate and the frame beam ensure the stability of the tower crane.
[0041] The tower crane foundation structure arranged on the original underground structure top plate of the embodiment bears the force by means of the original underground structure frame column, and is stable and reliable in structure. It does not need to damage the original underground structure, does not need to open holes in the existing underground structure plate, and does not affect the normal operation of the underground structure. It has little influence on the underground operation unit, saves the steps of opening and repairing holes, is simple in construction, improves the construction efficiency, and has the advantages of being simple in construction and improving the construction efficiency.
[0042] The construction method of the tower crane foundation structure arranged on the original underground structure top plate of the embodiment includes the following steps:
[0043] S1, positioning the setting position of the tower crane above the original underground structure top plate 5, and positioning the position of the original underground structure frame column 6 on the original underground structure top plate 5;
[0044] S2, fixing the steel plate 1 on the upper surface of the original underground structure top plate 5 above the selected original underground structure frame column 6, and welding the support reinforcement on the steel plate 1;
[0045] S3, tie the main beam steel bars on the support steel bars on the two adjacent steel plates 1, tie the secondary beam steel bars on the two oppositely arranged groups of main beam steel bars; tie the concrete connecting plate steel bars on the main beam steel bars;
[0046] S4, fix the tower crane foundation pre-buried bolt 9 on the secondary beam steel bars;
[0047] S5, set the formwork outside the support steel bars, outside the main beam steel bars, outside the secondary beam steel bars, and outside the concrete connecting plate steel bars, and pour concrete in the formwork to form the concrete support column 2, the concrete main beam 3, the concrete secondary beam 4, and the concrete connecting plate 7, and the upper end of the tower crane foundation pre-buried bolt 9 protrudes from the top surface of the concrete connecting plate 7 by a preset length for installation of the tower crane 10.
[0048] Specifically, the construction method of the embodiment measures and positions the setting position of the tower crane above the original underground structure top plate 5 according to the tower crane plan; accurately positions the positions of the four original underground structure frame columns 6 adjacent to the setting position of the tower crane on the original underground structure top plate 5 according to the existing underground structure drawings, places a steel plate on the top of the original underground structure frame column 6 that has been capped, the size of the steel plate is 200mm larger than each side of the original underground structure frame column 6, and the support column steel bars are welded on the steel plate to make the size of the support column same as that of the original underground structure frame column 6. According to the set support column steel bars, tie the main beam steel bars, tie the secondary beam steel bars on the two oppositely arranged groups of main beam steel bars, and tie the concrete connecting plate steel bars on the main beam steel bars; set the position of the secondary beam steel bars according to the position of the tower crane foundation pre-buried bolt to make the tower crane foundation pre-buried bolt arranged at the intersection of the cross beam. Set the formwork, pour the concrete after all the work is completed and passes the acceptance, cover and water the concrete in time after the pouring of the concrete is completed to obtain the concrete support column, the concrete main beam, the concrete secondary beam, and the concrete connecting plate, make the concrete main beam form a rectangular frame structure, and make the cross structure formed by the concrete secondary beam located in the rectangular frame structure.
[0049] Wherein, after all the steel bars are tied, the lightning protection grounding device is pre-buried in the main beam steel bars, and the lightning protection grounding device is used to connect with the tower crane.
[0050] The construction method of the embodiment is simple, efficient, stable and reliable, and the final tower crane foundation structure can be backfilled as a structural pavement without the need for removal, saving subsequent operation steps.
[0051] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0052] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0053] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0054] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.
[0055] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.
[0056] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.
Claims
1. A tower foundation structure provided on the roof of an existing underground structure, characterized in that, The original underground structure top plate is provided with more than three steel plates, each of which is arranged corresponding to one original underground structure frame column below the original underground structure top plate, each of which is welded with support steel bars, the support steel bars on two adjacent steel plates are bound with main beam steel bars, the main beam steel bars are bound with secondary beam steel bars between two groups of oppositely arranged main beam steel bars, and the main beam steel bars are further bound with concrete connecting plate steel bars; the secondary beam steel bars are fixed with tower crane foundation embedded bolts; the concrete connecting plate steel bars are further bound and fixed with main building raft plate steel bars; The upper surface of each steel plate is connected with a concrete support column, and the support steel bars are embedded in the corresponding concrete support column; two adjacent concrete support columns are connected with a concrete main beam, and the main beam steel bars are embedded in the corresponding concrete main beam; two oppositely arranged concrete main beams are connected with a concrete secondary beam, and the secondary beam steel bars are embedded in the corresponding concrete secondary beam; the concrete main beam, the concrete secondary beam and the concrete support column are connected with a concrete connecting plate, and the concrete connecting plate steel bars are embedded in the concrete connecting plate.
2. The tower foundation structure provided on the roof of the existing underground structure according to claim 1, wherein, The original underground structure top plate is provided with more than four steel plates, which are arranged in a rectangular structure.
3. The tower foundation structure according to claim 1, wherein The plurality of concrete secondary beams form a grid type structure.
4. The tower foundation structure provided on the roof of the existing underground structure according to claim 1, wherein The bottom of the concrete main beam and the original underground structure top plate are reserved with a spacing; the bottom of the concrete secondary beam and the original underground structure top plate are reserved with a spacing.
5. The tower foundation structure provided on the roof of the existing underground structure according to claim 1, wherein, The circumferential side of the steel plate exceeds the circumferential side of the original underground structure frame column by a preset distance.
6. The tower foundation structure according to claim 5, wherein The preset distance is 200mm.
7. The tower foundation structure provided on the roof of the existing underground structure according to claim 1, wherein The concrete connecting plate steel bars are further bound and fixed with the secondary beam steel bars.
8. The tower foundation structure provided on the roof of the existing underground structure according to claim 1, wherein, The steel plate is a rectangular steel plate, and the original underground structure frame column is a rectangular column.
9. The tower foundation structure provided on the roof of the existing underground structure according to claim 1, wherein, The top surface of the concrete connecting plate is flush with the top surface of the main building raft plate above the original underground structure top plate.
10. The tower foundation structure provided on the roof of the existing underground structure according to claim 1, wherein, The tower crane foundation embedded bolts are embedded in the concrete secondary beam and the concrete connecting plate, and the upper end of the tower crane foundation embedded bolts extends from the top surface of the concrete connecting plate by a preset length.