CN217810546U - Bridge foundation lifting type construction platform - Google Patents
Bridge foundation lifting type construction platform Download PDFInfo
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- CN217810546U CN217810546U CN202221926102.2U CN202221926102U CN217810546U CN 217810546 U CN217810546 U CN 217810546U CN 202221926102 U CN202221926102 U CN 202221926102U CN 217810546 U CN217810546 U CN 217810546U
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Abstract
The application relates to a bridge foundation lifting type construction platform, which relates to the technical field of bridge construction and comprises a concrete pile foundation, steel pipe stand columns, a pad beam assembly and a steel beam assembly. Wherein, the concrete pile foundation is vertical to be inserted and to be located the below ground, and the steel pipe stand is vertical to be set up in the top of corresponding concrete pile foundation. The pad beam assembly is detachably arranged on the top end of the corresponding steel pipe stand column and comprises a plurality of pad beams, and every two adjacent pad beams are detachably connected. The girder steel subassembly supports in the top of filling up the girder steel subassembly, and the platform board has been laid on the top of girder steel subassembly. The embodiment of the application adopts the vertical stress structure of "concrete pile foundation + steel tube column", and after the concrete pile foundation is inserted and beaten, need not adjust many times, can not produce destruction to original soil layer. And, this application realizes the lift of landing slab through the quantity of the pad roof beam in the adjustment pad roof beam subassembly.
Description
Technical Field
The application relates to the technical field of bridge construction, in particular to a bridge foundation lifting type construction platform.
Background
With the rapid development of infrastructure, bridges are often built in valleys of mountainous areas to meet traffic demands. Due to the complex and steep terrain, a plurality of difficulties exist in building the bridge, and construction surfaces with different heights are required. In the correlation technique, the mode of excavating or filling earth and stone is usually adopted to provide working faces with different heights, and the method has the disadvantages of large damage to mountains, unstable foundation, large potential safety hazard, high economic cost and large influence on ecological environment.
Disclosure of Invention
The embodiment of the application provides a bridge foundation over-and-under type construction platform to solve at the in-process of complicated topography construction bridge, in order to provide the working face of co-altitude, destroy greatly to the massif, lead to the basis unstable, and economic cost is high, problem big to the ecological environment influence.
An elevating construction platform, comprising:
the concrete pile foundation is vertically inserted below the ground;
the steel pipe upright columns are vertically arranged at the top ends of the corresponding concrete pile foundations;
the pad beam assembly is detachably arranged at the top end of the corresponding steel pipe stand column and comprises a plurality of pad beams, and every two adjacent pad beams are detachably connected;
the steel beam assembly is supported on the top end of the pad beam assembly, and a platform plate is laid on the top end of the steel beam assembly.
Furthermore, the number of the steel pipe stand columns is multiple, the pad beam assemblies correspond to the steel pipe stand columns one by one, and each pad beam in the pad beam assemblies is in equal-section butt joint with the corresponding steel pipe stand columns.
Furthermore, the pad beam positioned at the lowest part is connected with the top end of the corresponding steel pipe upright post through a flange, and every two adjacent pad beams are connected through a flange.
Furthermore, the top of the concrete pile foundation is provided with an embedded part, and the bottom end of the steel pipe upright post is connected with the embedded part at the top of the concrete pile foundation in a welding manner.
Furthermore, over-and-under type construction platform still includes the abutment, the abutment props up simultaneously and locates girder steel subassembly and the below of being close to the soil platform of girder steel subassembly.
Further, be adjacent to soil platform still includes retaining wall, retaining wall is located soil platform with between the girder steel subassembly, the abutment is L shape structure, the vertical section of abutment props up to be located retaining wall's below, the horizontal segment of abutment props up to be located through the pad roof beam subassembly the below of girder steel subassembly.
Furthermore, a pad beam assembly is further arranged between the horizontal section of the bridge abutment and the steel beam assembly.
Furthermore, the lifting construction platform further comprises a connecting system arranged between at least part of two adjacent steel pipe stand columns, and a supporting plate is laid at the top end of each connecting system.
Further, when the platform board descends to the design elevation of the bearing platform, the platform board is used as a bottom template of the bearing platform.
Further, the girder steel subassembly includes distribution roof beam and beiLei roof beam, the distribution roof beam set up in the top of steel pipe stand, the beiLei roof beam sets up in the top of distribution roof beam, the landing slab lay in the top of beiLei roof beam.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a bridge foundation over-and-under type construction platform, it includes concrete pile foundation, steel pipe stand and pad roof beam, this application embodiment adopts the vertical stress structure of "concrete pile foundation + steel pipe stand", and the below ground adopts concrete pile foundation, adopts steel pipe stand above the ground, and the pad roof beam of every group is can dismantle the connection, can be according to actual demand, through the quantity of adjusting the pad roof beam of every group, realizes the lift of the landing slab of this application embodiment. This application embodiment only needs insert in the soil layer of below ground and beats concrete pile basis, inserts and beats the back of accomplishing, does not need adjustment many times, can not produce destruction to original soil layer, has reduced massif excavation or filling construction by a wide margin, is favorable to maintaining the steadiness on basis to the security in the bridge construction has been guaranteed. Meanwhile, the damage to the mountain is small, the ecological environment is protected, and the construction economic benefit is obviously improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;
FIG. 2 isbase:Sub>A schematic structural view of section A-A of FIG. 1;
FIG. 3 is a schematic structural view illustrating the connection between the concrete pile foundation and the steel pipe column in FIG. 1;
FIG. 4 is a schematic structural view of the steel tube column in FIG. 1;
FIG. 5 is a schematic structural view of a section B-B in FIG. 4;
FIG. 6 is a schematic diagram of the structure of the bolster assembly of FIG. 1;
FIG. 7 is a schematic diagram of the connection system of FIG. 1;
FIG. 8 is a schematic view of a 1/2 top view of the platen shown in FIG. 1;
fig. 9 is a schematic view of the overall structure of the bolster assembly according to the embodiment of the present application after being disassembled.
Reference numerals:
1. a concrete pile foundation; 2. an abutment; 3. embedding parts; 4. a soil platform; 41. a retaining wall; 5. a steel pipe upright post; 6. a flange; 61. a flange plate; 62. a bolt; 63. a stiffening plate; 7. A bolster; 8. a connecting system; 81. a rod member; 82. a gusset plate; 9. a distribution beam; 10. a Bailey beam; 11. a platform plate; 12. a beam falling device; 13. a bridge pile foundation; 14. a bearing platform; 15. a topographical line.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
The embodiment of the application provides a bridge foundation over-and-under type construction platform, and it can solve the in-process of building the bridge at complicated topography, in order to provide the working face of co-altitude not, destroys greatly to the massif, leads to the basis insecure to and economic cost is high, to the big problem of ecological environment influence.
As shown in fig. 1, 2 and 8, the elevating type construction platform comprises a concrete pile foundation 1, a steel pipe column 5, a pad beam assembly and a steel beam assembly.
Wherein, concrete pile basis 1 is vertical inserts and locates the below ground. The steel pipe upright posts 5 are vertically arranged at the top ends of the corresponding concrete pile foundations 1. The pad beam assembly is detachably arranged on the top end of the corresponding steel pipe upright post 5 and comprises a plurality of pad beams 7, and every two adjacent pad beams 7 are detachably connected. The girder steel subassembly supports in the top of bed girder subassembly, and the landing slab 11 has been laid on the top of girder steel subassembly.
Specifically, in the embodiment of the present application, the number of the concrete pile foundations 1 is plural, and the plural concrete pile foundations 1 are arranged in a matrix. The number of the steel pipe columns 5 is also multiple, and one steel pipe column 5 is vertically arranged at the top end of one concrete pile foundation 1. The concrete pile foundation 1 is located below the ground, and the steel pipe upright post 5 is located above the ground. The number of the pad beam assemblies is also multiple, and one pad beam assembly is arranged at the top end of one steel pipe upright post 5. Preferably, the platform plate 11 may be a steel plate, which has a strong bearing capacity.
Specifically, in the present embodiment, each of the pad beam assemblies includes a plurality of pad beams 7. The number and size of the pad beams 7 in each pad beam assembly are the same, the bottom ends of the pad beam assemblies are flush, and the top ends of the pad beam assemblies are flush. When adjusting the height of landing slab 11, can be directly through the number of adjustment pad roof beam 7, guarantee landing slab 11's height control's accuracy to, the quantity and the size of the pad roof beam 7 in every pad roof beam subassembly are the same, and pad roof beam 7 can have enough to meet the need the use many times, saves the cost.
Further, the steel beam assembly comprises a distribution beam 9 and a Bailey beam 10, the distribution beam 9 is arranged at the top end of the steel tube upright post 5, the Bailey beam 10 is arranged at the top end of the distribution beam 9, and the platform plate 11 is laid at the top end of the Bailey beam 10.
Specifically, in this application embodiment, the distribution beam 9 can evenly transmit the load of top to the steel pipe stand 5, guarantees that the steel pipe stand 5 atress is even, is favorable to overall structure stability. The number of the distribution beams 9 is multiple, the number of the beret beams 10 is multiple, and the arrangement directions of the distribution beams 9 and the beret beams 10 are perpendicular to each other.
Furthermore, the number of the steel pipe upright columns 5 is multiple, the pad beam assemblies correspond to the steel pipe upright columns 5 one by one, and the pad beam 7 positioned at the lowest part in each pad beam assembly is in equal-section butt joint with the corresponding steel pipe upright columns 5.
Specifically, in this application embodiment, the pad roof beam 7 is the same with 5 cross-sections of steel pipe stand, can guarantee to fill up the roof beam subassembly and can set up steadily in 5 tops of steel pipe stand to guaranteed overall structure stability, on the other hand, can also guarantee that the load is by the steel pipe stand 5 of pad roof beam 7 ground of evenly transmitting. In other embodiments, the steel pipe column 5 may have other cross-sectional forms such as a rectangular shape and a cylindrical shape, and the cross-sectional form of the pad beam 7 may be determined according to the cross-sectional form of the steel pipe column 5.
Further, as shown in fig. 4 to 6, the bottom bolster 7 is connected to the top end of the corresponding steel tube column 5 through a flange 6, and every two adjacent bolsters 7 are connected through a flange 6.
Specifically, the bottom pad beam 7 is connected with the top end of the corresponding steel tube upright post 5 through the flange 6, every two adjacent pad beams 7 are connected through the flange 6, the detachable connection of the pad beam assembly and the steel tube upright post 5 can be realized, and the pad beams 7 in each pad beam assembly are also detachably connected. On the one hand, the backing beam 7 can have enough to meet the need the use, can save construction cost, and on the other hand can be through the quantity of the backing beam 7 of the different backing beam subassemblies of control, can adjust the height of landing slab 11, can make landing slab 11 keep the horizontally state, also can be for the state of slope, is applicable to multiple operating mode.
Specifically, the flange 6 includes a flange plate 61, bolts 62, and a stiffening plate 63. In the embodiment of the present application, a flange 61 is disposed at the top end of each steel tube column 5, two ends of each pad beam 7 are respectively provided with a flange 61, when the pad beam assembly is disposed at the top end of the steel tube column 5, one flange 61 of the pad beam 7 located at the lowermost position is butted with the flange 61 at the top end of the corresponding steel tube column 5, and then connected by a bolt 62, and another flange 61 of the pad beam 7 is butted with one flange 61 of the pad beam 7 adjacent thereto, and then connected by a bolt 62. And by analogy, the detachable connection between the bottom pad beam 7 and the top end of the corresponding steel pipe upright post 5 is realized through the flange 6, and the detachable connection between every two adjacent pad beams 7 is realized through the flange 6. Specifically, the number of the bolts 62 connected to each two adjacent flanges 61 may be determined according to actual conditions, and preferably, the bolts 62 are uniformly and symmetrically distributed to ensure that the flanges 61 are uniformly stressed. When the top end of the pad beam assembly is provided with the distribution beam 9, the bottom end of the distribution beam 9 is detachably connected with the uppermost pad beam 7 through the flange 6. A stiffening plate 63 is arranged between each flange 61 and the steel pipe upright 5 or the pad beam 7 connected with the flange, and the stiffening plate 63 can strengthen the connection firmness of the flange 61 and the steel pipe upright 5 and the flange 61 and the pad beam 7. The number of the stiffening plates 63 can be determined according to actual conditions, and preferably, the stiffening plates 63 are uniformly arranged, so that the uniform stress of the pad beams 7, the steel pipe columns 5 and the flange plates 61 can be ensured.
Further, as shown in fig. 3, an embedded part 3 is disposed at the top end of the concrete pile foundation 1, and the bottom end of the steel pipe column 5 is welded to the embedded part 3 at the top end of the concrete pile foundation 1.
Specifically, the top of above-mentioned concrete pile basis 1 is provided with built-in fitting 3, need not additionally drill to concrete pile basis 1 to the overall structure stability of concrete pile basis 1 has been guaranteed. The embedded part 3 comprises an anchor plate 31, an anchor bar 32 and an anti-cracking reinforcing mesh 33, wherein the anchor plate 31 is positioned at the top end of the concrete pile foundation 1 and is welded and fixed with the steel pipe upright post 5 above. In some embodiments, a flange 61 and a stiffening plate 63 may be disposed at the bottom end of the steel tube column 5, at this time, the anchor plate 31 is welded and fixed to the flange 61, and the stiffening plate 63 is welded and fixed to the anchor plate 31 and the flange 61 at the same time, so as to reinforce the connection. One end of the anchor bar 32 is fixedly connected with the bottom end of the anchor plate 31, and the other end extends downwards to the inside of the concrete pile foundation 1, so that the function of reinforcing and anchoring is achieved. The number of anchor bars 32 can be set according to the actual situation. The anchor bars 32 penetrate through the anti-cracking reinforcing meshes 33, the anti-cracking reinforcing meshes 33 can ensure the strength and the structural stability of the concrete pile foundation 1, and the number of the anti-cracking reinforcing meshes 33 can be determined according to actual conditions.
Further, the over-and-under type construction platform of this application embodiment still includes abutment 2, and abutment 2 props up simultaneously and establishes in the steel beam subassembly and the soil platform 4's that is close to the steel beam subassembly below.
Specifically, the tip of this application embodiment over-and-under type construction platform's girder steel subassembly is close to soil platform 4, and abutment 2 supports in the tip of girder steel subassembly and soil platform 4's below simultaneously, can prevent that soil platform 4 from collapsing, produces the influence to this application embodiment over-and-under type construction platform, can also prevent that the girder steel subassembly from toppling to guarantee this application embodiment over-and-under type construction platform's overall structure stability.
Further, soil flat 4 still includes retaining wall 41, and retaining wall 41 is located between soil flat 4 and the girder steel subassembly, and abutment 2 is L shape structure, and abutment 2's vertical section props up the below of locating retaining wall 41, and abutment 2's horizontal segment props up the below of locating the girder steel subassembly through the bolster subassembly.
Specifically, above-mentioned retaining wall 41 can prevent that soil platform 4 from collapsing, and to this application embodiment over-and-under type construction platform production influence, abutment 2 can regard as retaining wall 41 and girder steel subassembly's basis simultaneously, has effectively guaranteed this application embodiment over-and-under type construction platform's overall structure stability.
Further, the horizontal section of the abutment 2 and a beam cushion assembly is arranged between the steel beam assemblies.
Particularly, the abutment 2 and the steel beam assembly support are further provided with a pad beam assembly, so that the stability of the end part of the steel beam assembly is ensured, and the end part of the steel beam assembly can be synchronously lifted or lowered with other positions.
Further, as shown in fig. 7, the lifting construction platform of the embodiment of the present application further includes connection systems 8 disposed between at least part of two adjacent steel pipe columns 5, and a supporting plate is laid on the top end of each connection system 8.
Specifically, in the embodiment of the present application, the number of the steel pipe columns 5 is multiple, and the connection system 8 may be provided between every two adjacent steel pipe columns 5, or the connection system 8 may be provided between some adjacent steel pipe columns 5 according to actual needs. The connecting system 8 can enhance the stability of the whole structure of the steel tube upright post 5 and can improve the bearing capacity of the steel tube upright post 5. The connecting system 8 includes a rod 81 and a gusset 82, wherein the rod 81 is formed by welding two channels oppositely, that is, the opening directions of the two channels are opposite. The rod 81 is connected and fixed with the steel tube upright 5 through the gusset plate 82. The rods 81 have horizontal, vertical and diagonal directions, and are connected and fixed by the gusset plates 82 at the junctions of the rods 81. The number of the connection systems 8 can be arranged according to the actual situation.
Specifically, the top surface of the connecting system 8 is provided with a supporting plate, when the height of the platform plate 11 needs to be adjusted, the beam falling device 12 is arranged on the supporting plate, so that the steel beam assembly and the platform plate 11 are supported at the top end of the beam falling device 12, and the supporting plate provides support for the beam falling device. The preferred supporting plate is a steel plate, and has strong bearing capacity.
Further, as shown in fig. 9, when the flat bed plate 11 is lowered to the design level of the platform 14, the flat bed plate 11 serves as a bottom mold plate of the platform 14.
Specifically, in the embodiment of the present application, when the lifting construction platform is completed, the top end of the platform plate 11 is flush with the top surface of the soil platform 4. And then, the height of the platform plate 11 is lowered as required, and when the platform plate 11 is lowered to the design height of the bearing platform 14, the platform plate 11 can be directly used as a bottom template of the bearing platform 14. That is to say, can directly carry out the construction of cushion cap at the top surface of landing slab 11, this application embodiment over-and-under type construction platform can not dismantle, can save the engineering time.
Specifically, in the embodiment of the present application, the platform 14 includes a first layer of poured platform concrete 141, a second layer of poured platform concrete 142, and a platform bottom leveling cushion layer 143.
The construction method based on the lifting construction platform comprises the following steps:
step 1: a concrete pile foundation 1 is inserted below the ground, and a steel pipe upright post 5 is arranged at the top end of the concrete pile foundation 1.
Step 2: the top end of the steel pipe upright post 5 is provided with a pad beam assembly, and the pad beam assembly is detachably connected with the corresponding steel pipe upright post 5.
And step 3: set up the girder steel subassembly on the top of bed girder subassembly, make the girder steel subassembly support in the top of bed girder subassembly to platform board 11 is laid on the top of girder steel subassembly, forms over-and-under type construction platform.
And 4, step 4: the number of the pad beams 7 in the pad beam assembly is adjusted to raise or lower the height of the deck plate 11.
Specifically, when bridge pile foundation 13 is under construction, the over-and-under type construction platform of this application embodiment can regard as pile foundation drilling and the working face of pouring.
Further, this application over-and-under type construction platform still includes the connection 8 that sets up between at least partial adjacent two steel pipe stand 5, and above-mentioned step 4 includes: a support plate is laid on the top of each connecting system 8. The beam falling apparatus 12 is disposed on the support plate such that the steel beam assembly and the platform plate 11 are supported on the top end of the beam falling apparatus 12.
When the platform plate 11 needs to be lifted, the beam falling device 12 is driven to lift the steel beam assembly and the platform plate 11 to the designed height, the number of the cushion beams 7 in the cushion beam assembly is increased until the steel beam assembly and the platform plate 11 are supported at the top end of the cushion beam 7, and the beam falling device 12 can be removed. When the platform plate 11 needs to descend, the steel beam assembly and the platform plate 11 are supported at the top end of the beam falling device 12, the number of the cushion beams 7 in the cushion beam assembly is reduced to the design height, the beam falling device 12 is driven to enable the steel beam assembly and the platform plate 11 to descend until the steel beam assembly and the platform plate 11 are supported at the top end of the cushion beams 7, and the beam falling device 12 can be removed.
Specifically, in the above steps, the design height may be determined according to the actual engineering requirement. It will be appreciated that in some embodiments, when the deck 11 needs to be raised, the girder assembly and deck 11 may also be raised to a position higher than the design height by driving the girder lowering device 12 so that the bolster 7 can have a sufficient installation space. When the platform plate 11 needs to be lowered, the steel beam assembly and the platform plate 11 are supported on the top end of the beam falling device 12, and at this time, the beam falling device 12 can be driven to lift the steel beam assembly and the platform plate 11 for a certain distance, so that the pad beam 7 can be detached.
Specifically, in the above steps, the descending of the lifting construction platform is graded descending, that is, the pad beam assembly and the beam falling device 12 are alternately stressed, so as to ensure the stability of the lifting construction platform in the embodiment of the application.
Specifically, in the above steps, the number of the steel pipe columns 5 is plural, and the connection system 8 may be provided between every two adjacent steel pipe columns 5, or the connection system 8 may be provided between some adjacent steel pipe columns 5 according to actual needs. The connecting system 8 can enhance the stability of the whole structure of the steel tube upright post 5 and can improve the bearing capacity of the steel tube upright post 5. The connecting system 8 includes a rod 81 and a gusset 82, wherein the rod 81 is formed by welding two channels oppositely, that is, the opening directions of the two channels are opposite. The rod 81 is connected and fixed with the steel tube upright 5 through the gusset plate 82. The rods 81 have horizontal, vertical and diagonal directions, and are connected and fixed by the gusset plate 82 at the intersection of the rods 81. The number of the connection systems 8 can be arranged according to the actual situation.
Specifically, the top surface of the connecting system 8 is provided with a supporting plate, when the height of the platform plate 11 needs to be adjusted, the beam falling device 12 is arranged on the supporting plate, so that the steel beam assembly and the platform plate 11 are supported at the top end of the beam falling device 12, and the supporting plate provides support for the beam falling device. The preferred supporting plate is a steel plate, and has strong bearing capacity.
Further, the lifting construction platform of the embodiment of the application further comprises an L-shaped bridge abutment 2, a distribution beam 9 and a Bailey beam 10. Soil platform 4 is still set up adjacent to the position of over-and-under type construction platform's girder steel subassembly, and soil platform 4 includes retaining wall 41, and retaining wall 41 is located between soil platform 4 and the girder steel subassembly.
Based on the lifting construction platform shown in fig. 1, a construction method of the lifting construction platform is described in detail:
s1: a plurality of concrete pile foundations 1 are inserted below the ground, and simultaneously, an abutment 2 is constructed below the ground, so that the vertical section of the abutment 2 is supported below the retaining wall 41, and the horizontal section of the abutment 2 is supported below the steel beam assembly through the pad beam assembly.
S2: an embedded part 3 is embedded in the top end of each concrete pile foundation 1, a steel pipe upright post 5 is arranged at the top end of each concrete pile foundation 1, and the bottom end of each steel pipe upright post 5 is welded and fixed with the embedded part 3.
S3: and a connecting system 8 between at least part of two adjacent steel pipe columns 5.
S4: the top end of each steel pipe upright post 5 is provided with a pad beam assembly, the top ends of the pad beam assemblies are provided with distribution beams 9, the top ends of the distribution beams 9 are provided with Bailey beams 10, and the top ends of the Bailey beams 10 are paved with platform plates 11 to form the lifting construction platform of the embodiment of the application. At this point, the deck 11 in the elevating construction platform is flush with the top surface of the adjacent soil platform 4.
S5: after the lifting construction platform is built, the construction of the bridge pile foundation 13 is started, pile foundation drilling and grouting operation is carried out at a preset construction position, and engineering machinery such as a drilling machine runs and operates on the lifting construction platform according to construction group requirements.
S6: and after the construction of the bridge pile foundation 13 is completed, the platform plate 11 of the lifting construction platform is lowered to the design elevation of the bearing platform 14. The method comprises the following specific steps: a supporting plate is laid at the top end of each connecting system 8, the beam falling equipment 12 is arranged on the supporting plate, the steel beam assembly and the platform plate 11 are supported at the top end of the beam falling equipment 12, namely the distribution beam 9 is supported at the top end of the beam falling equipment 12, and the conversion of vertical stress is completed. The number of bolster beams 7 in each bolster assembly is reduced until the top end of the bolster assembly is at the design elevation of the platform 14.
S7: and (3) lowering the platform plate 11 of the construction platform to be lifted to the design elevation of the bearing platform 14, taking the platform plate 11 of the construction platform to be lifted as a bottom template of the bearing platform 14, and pouring the bearing platform 14 on the platform plate 11.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the phrase "comprising a. -. Said" to define an element does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An elevating construction platform, comprising:
the concrete pile foundation (1) is vertically inserted below the ground;
the steel pipe upright columns (5) are vertically arranged at the top ends of the corresponding concrete pile foundations (1);
the pad beam assembly is detachably arranged at the top end of the corresponding steel pipe upright post (5), the pad beam assembly comprises a plurality of pad beams (7), and every two adjacent pad beams (7) are detachably connected;
the steel beam assembly is supported on the top end of the pad beam assembly, and a platform plate (11) is laid on the top end of the steel beam assembly.
2. The elevating construction platform of claim 1, wherein: the number of the steel pipe upright posts (5) is multiple, the pad beam assemblies correspond to the steel pipe upright posts (5) one by one, and each pad beam (7) in each pad beam assembly is in equal-section butt joint with the corresponding steel pipe upright post (5).
3. The elevating construction platform of claim 1, wherein: the bottom-most cushion beam (7) is connected with the top end of the corresponding steel pipe upright post (5) through a flange (6), and every two adjacent cushion beams (7) are connected through the flange (6).
4. The elevating construction platform of claim 1, wherein: the concrete pile is characterized in that an embedded part (3) is arranged at the top end of the concrete pile foundation (1), and the bottom end of the steel pipe upright post (5) is welded with the embedded part (3) at the top end of the concrete pile foundation (1).
5. The elevating construction platform of claim 1, wherein: the lifting construction platform further comprises an abutment (2), and the abutment (2) is erected below the steel beam assembly and the soil platform (4) adjacent to the steel beam assembly.
6. The elevating construction platform of claim 5, wherein: adjacent to in soil platform (4) still include retaining wall (41), retaining wall (41) are located soil platform (4) with between the girder steel subassembly, abutment (2) are L shape structure, the vertical section of abutment (2) is propped up and is located the below of retaining wall (41), the horizontal segment of abutment (2) is propped up through the bed beam subassembly and is located the below of girder steel subassembly.
7. The elevating construction platform of claim 6, wherein: and a beam cushion assembly is also arranged between the horizontal section of the abutment (2) and the steel beam assembly.
8. The elevating construction platform of claim 1, wherein: the lifting construction platform further comprises a connecting system (8) arranged between at least part of two adjacent steel pipe upright posts (5), and a supporting plate is laid at the top end of each connecting system (8).
9. The elevating construction platform of claim 1, wherein: when the platform board (11) descends to the design height of the bearing platform (14), the platform board (11) serves as a bottom template of the bearing platform (14).
10. The elevating construction platform of claim 1, wherein: the steel beam assembly comprises a distribution beam (9) and a Bailey beam (10), the distribution beam (9) is arranged at the top end of the steel tube upright post (5), the Bailey beam (10) is arranged at the top end of the distribution beam (9), and the platform plate (11) is laid at the top end of the Bailey beam (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221926102.2U CN217810546U (en) | 2022-07-25 | 2022-07-25 | Bridge foundation lifting type construction platform |
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CN202221926102.2U CN217810546U (en) | 2022-07-25 | 2022-07-25 | Bridge foundation lifting type construction platform |
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2022
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