CN114086595A - Tower crane foundation and stabilizing process thereof - Google Patents
Tower crane foundation and stabilizing process thereof Download PDFInfo
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- CN114086595A CN114086595A CN202111342287.2A CN202111342287A CN114086595A CN 114086595 A CN114086595 A CN 114086595A CN 202111342287 A CN202111342287 A CN 202111342287A CN 114086595 A CN114086595 A CN 114086595A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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Abstract
The application discloses a tower crane foundation and a stabilizing process thereof, and relates to the technical field of building construction equipment. A tower crane foundation comprises a tower crane base and a concrete foundation, wherein a plurality of reserved grooves are reserved in the concrete foundation, a side supporting plate is arranged in each reserved groove, and one end of each side supporting plate extends out of each reserved groove; inclined support rods are respectively connected between the tower crane base and the plurality of side supporting plates in an abutting mode. This application has effectively improved tower crane stability, has effectively alleviateed the destruction degree to the concrete foundation when inclining because of the tower crane atress inequality moreover. One end of the side supporting plate is positioned in the concrete foundation, when the inclined supporting rod applies acting force to the side supporting plate, the end, positioned in the concrete foundation, of the side supporting plate applies stress from the interior of the concrete foundation, so that the acting part of the tower crane on the concrete foundation during inclination is increased, the acting force is further dispersed, and the concrete foundation is prevented from cracking due to the fact that the single part is stressed too much; effectively improving the anti-dumping capacity of the tower crane foundation.
Description
Technical Field
The application relates to the technical field of building construction equipment, in particular to a tower crane foundation and a stabilizing process thereof.
Background
The tower crane is the most common hoisting equipment in construction sites, also known as tower crane, and is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction by virtue of section-by-section extension (height) (referred to as standard section for short). The tower crane is an indispensable equipment on the building site, and need fix subaerial through the tower crane basis during the installation.
At present, the common practice of tower crane foundations is to cast in situ concrete foundations and also to prefabricate and assemble foundations. However, the prefabricated assembly foundation has poor bearing and tensile capabilities and is not suitable for the installation of large-scale tower cranes. Cast-in-place concrete foundation structure generally is the solid construction of integrated into one piece casting shaping, and although bearing capacity is better, when taking place earthquake or external environment produces great undulant, produce great moment of flexure easily between tower crane base and the concrete foundation, lead to the concrete foundation to bear great pulling force, the concrete foundation fracture easily takes place, the accident of tower crane slope.
In view of the above-mentioned related technologies, the inventor believes that the existing cast-in-place concrete foundation has a defect of poor tilt resistance.
Disclosure of Invention
In order to improve the anti-inclination capability of the tower crane foundation, the application provides the tower crane foundation and the stabilizing process thereof.
In a first aspect, the tower crane foundation provided by the application adopts the following technical scheme:
a tower crane foundation comprises a tower crane base and a concrete foundation, wherein a plurality of reserved grooves are reserved in the concrete foundation and are arranged along the horizontal direction; a side supporting plate is arranged in each reserved groove, and one end of each side supporting plate extends out of the reserved groove;
the tower crane base is fixed in concrete foundation top, all the butt has the diagonal brace between tower crane base and a plurality of side backup pads.
Through adopting above-mentioned technical scheme, when the tower crane received the external environment influence to lead to the uneven slope to one side of atress, the side brace board that corresponds one side applied the holding power to the tower crane base through the diagonal brace, has effectively improved tower crane stability, has effectively alleviateed the destruction degree to the concrete foundation when inclining because of the tower crane uneven atress takes place moreover. One end of the side supporting plate is positioned in the concrete foundation, when the inclined supporting rod applies acting force to the side supporting plate, the end, positioned in the concrete foundation, of the side supporting plate applies stress from the interior of the concrete foundation, so that the acting part of the tower crane on the concrete foundation during inclination is increased, the acting force is further dispersed, and the concrete foundation is prevented from cracking due to the fact that the single part is stressed too much; effectively improving the anti-dumping capacity of the tower crane foundation.
Preferably, the plurality of preformed grooves are all located at the same horizontal height, and the inclined angles of the plurality of inclined supporting rods are all arranged at the same level;
a compaction groove is reserved at the top of the concrete foundation and is communicated with the reserved grooves;
a supporting plate is arranged between the tower crane base and the concrete foundation, a counterweight column is fixedly connected to the bottom of the supporting plate, the counterweight column is located in a pressing groove, and the counterweight column and the plurality of side supporting plates are simultaneously pressed against each other; the tower crane base is fixed in the supporting plate, and the central point of the tower crane base is arranged in the axis direction of the counterweight column.
By adopting the technical scheme, the plurality of preformed grooves are all positioned on the same horizontal height, the inclined angles of the inclined support rods are all the same, and in a normal state, the acting force of each inclined support rod on the tower crane base is all the same, so that the stability of the tower crane base is effectively improved; and on the tower crane base was fixed in the backup pad, the counter weight post of backup pad bottom pressed simultaneously on a plurality of side faggings, and most gravity of tower crane was concentrated on the counter weight post, relied on tower crane self gravity to compress tightly the side fagging, has effectively improved the stability of side fagging, has further strengthened the anti ability of falling of tower crane basis.
Preferably, the contact position of the bottom of the counterweight column and each side supporting plate is fixedly connected with a limiting rod; each side supporting plate is provided with a limiting hole for inserting a limiting rod at a corresponding position.
Through adopting above-mentioned technical scheme, the gag lever post on the counter weight post is inserted in the spacing downthehole on the side backup pad, and the horizontal migration of restriction side backup pad prevents that the side backup pad from breaking away from the preformed groove when the side backup pad atress is too big.
Preferably, a protective sleeve is arranged in the preformed groove, and the side supporting plate is arranged in the protective sleeve.
By adopting the technical scheme, the side supporting plates are isolated from the concrete foundation by the protective sleeve, so that the condition that the concrete foundation structure is damaged due to direct friction between the side supporting plates and the concrete foundation and the stability of the concrete foundation is influenced is avoided; and, the protective sheath can act as the mould of reservation groove to remove the step of demolising the mould after the construction, improved the efficiency of construction greatly.
Preferably, a flange is fixedly arranged at the opening end of the protective sleeve and is arranged close to the outer side wall of the concrete foundation.
Through adopting above-mentioned technical scheme, the turn-ups increases the cladding of turning up the reservation tank open end, and it is inside to reduce water to get into the concrete foundation from the gap between protective sheath and the reservation tank, causes the destruction to the concrete foundation, has strengthened waterproof performance, has further improved the durability of concrete foundation.
Preferably, each the bottom that the side brace board stretches out the outer one end of reserve groove all is provided with supplementary supporting component, supplementary supporting component is used for supporting the side brace board.
Through adopting above-mentioned technical scheme, the auxiliary stay subassembly is strutted to the one end that the lateral bracing board stretches out outside the reservation groove, has further strengthened the stability of lateral bracing board, has improved anti ability of empting.
Preferably, the auxiliary support assembly comprises a support pile, the bottom of the support pile is conical, and a plurality of barbs are fixedly connected to the bottom of the support pile in the circumferential direction; and the supporting pile is coaxially and fixedly connected with a reinforcing ring.
By adopting the technical scheme, the bottom of the support pile is inserted into the ground, and the bottom of the support pile is tapered so as to be conveniently inserted and fixed; barbs are arranged at the bottom of the support piles to slow down the sinking speed of the support piles; still be provided with the beaded finish on the support stake, increased the area of contact of support stake and ground, further improved the stability of supporting the stake.
Preferably, a hydraulic cylinder is arranged at the top of the supporting pile, and the output end of the hydraulic cylinder is used for supporting a side supporting plate.
Through adopting above-mentioned technical scheme, the length of pneumatic cylinder output is adjustable, conveniently takes place to subside at the support pile and adjust pneumatic cylinder length messenger pneumatic cylinder and continue to support the lateral bracing board, has improved the stability of supplementary supporting component greatly.
Preferably, the output end of the hydraulic cylinder is fixedly connected with a support; the side supporting plate is provided with a limiting groove at a position corresponding to the supporting bracket, and the supporting bracket is clamped in the limiting groove.
Through adopting above-mentioned technical scheme, with the bracketing joint in the spacing inslot, avoid pneumatic cylinder output and side brace board to take place relative slip, guaranteed auxiliary stay subassembly's support stability.
On the other hand, the tower crane foundation stabilizing process provided by the application adopts the following technical scheme:
a tower crane foundation stabilizing process comprises the following steps:
step one, determining the installation position of a tower crane, and excavating a foundation pit at the position, wherein the length and the width of the foundation pit are both larger than the length and the width of a concrete foundation by 2-3 meters, and the depth of the foundation pit is not smaller than 2.5 meters;
step two, carrying out layered tamping backfill treatment on the foundation pit until the height of the foundation pit is consistent with the height of the ground, wherein the number of layered backfill is not less than 3;
step three, pouring a concrete cushion layer with the strength not less than C35 on the top of the backfilling area, arranging a steel bar mesh in the concrete cushion layer, and leveling;
step four, pouring a concrete foundation on the concrete cushion layer, reserving a plurality of reserved grooves, and normally maintaining the concrete foundation for 28d according to construction requirements;
and fifthly, all installing side supporting plates in each reserved groove, installing the tower crane base at the top of the concrete foundation, and fixedly abutting the tower crane base and the side supporting plates by using inclined supporting rods.
By adopting the technical scheme, the stability of the tower crane foundation is greatly improved, and the anti-inclination capability of the tower crane foundation is effectively enhanced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the tower crane is influenced by the external environment and leads to uneven stress to incline to one side, the side brace plate corresponding to one side applies supporting force to the tower crane base through the inclined brace rod, so that the stability of the tower crane is effectively improved, and the damage degree to the concrete foundation when the tower crane is unevenly stressed and inclines is effectively reduced. One end of the side supporting plate is positioned in the concrete foundation, when the inclined supporting rod applies acting force to the side supporting plate, the end, positioned in the concrete foundation, of the side supporting plate applies stress from the interior of the concrete foundation, so that the acting part of the tower crane on the concrete foundation during inclination is increased, the acting force is further dispersed, and the concrete foundation is prevented from cracking due to the fact that the single part is stressed too much; the anti-tipping capability of the tower crane foundation is effectively improved;
2. the plurality of preformed grooves are all positioned on the same horizontal height, the inclined angles of the inclined support rods are the same, and in a normal state, the acting force of each inclined support rod on the tower crane base is the same, so that the stability of the tower crane base is effectively improved; moreover, the tower crane base is fixed on the supporting plate, the counterweight columns at the bottom of the supporting plate are simultaneously pressed on the plurality of side supporting plates, most of gravity of the tower crane is concentrated on the counterweight columns, the side supporting plates are pressed by the gravity of the tower crane, the stability of the side supporting plates is effectively improved, and the anti-tipping capability of the tower crane foundation is further enhanced;
3. the length of pneumatic cylinder output is adjustable, conveniently takes place to subside back adjustment pneumatic cylinder length at the support stake and makes the pneumatic cylinder continue to support the offside fagging, has improved the stability of supplementary supporting component greatly.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
FIG. 2 is an overall structure schematic diagram showing the connection relationship between a concrete foundation and a tower crane base in the embodiment of the application.
FIG. 3 is a schematic cross-sectional structure diagram showing a connection relationship between a concrete foundation and a tower crane base in the embodiment of the application.
Fig. 4 is a schematic diagram showing an explosive structure among the counterweight column, the support plate and the side brace in the embodiment of the application.
Fig. 5 is a schematic view showing the overall structure of the connecting assembly in the embodiment of the present application.
Description of reference numerals: 1. a concrete foundation; 11. reserving a groove; 12. reserving a steel bar; 13. a compaction groove; 2. a tower crane base; 3. a side supporting plate; 31. a stabilizing plate; 311. a limiting hole; 33. a limiting groove; 4. a diagonal brace; 5. a protective sleeve; 51. flanging; 61. a counterweight column; 611. a limiting rod; 62. a support plate; 7. a connecting assembly; 71. a support block; 711. connecting grooves; 72. positioning blocks; 8. an auxiliary support structure; 81. supporting piles; 811. a barb; 812. a reinforcement ring; 82. a hydraulic cylinder; 83. and (7) supporting.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a tower crane foundation and a stabilizing process thereof.
Referring to fig. 1, the tower crane foundation comprises a concrete foundation 1 and a tower crane base 2 arranged on the top of the concrete foundation 1. A plurality of preformed grooves 11 are reserved in the concrete foundation 1, and the preformed grooves 11 penetrate through one end of the concrete foundation 1. All be provided with side fagging 3 in the reservation groove 11, the one end that side fagging 3 deviates from reservation groove 11 is located concrete foundation 1 outsidely. Inclined support rods 4 are respectively connected between the tower crane base 2 and each side support plate 3 in an abutting mode. When the tower crane is affected by the external environment to cause uneven stress, the side supporting plate 3 on the corresponding side applies supporting force to the tower crane base 2 through the inclined supporting rod 4, so that the damage degree of the tower crane to the concrete foundation 1 when the tower crane is unevenly stressed is reduced; and, the one end that side brace 3 is located concrete foundation 1 is to concrete foundation 1 inside applied stress, makes concrete foundation 1 atress more even, has effectively strengthened anti-falling ability, has improved the stability of tower crane greatly.
Referring to fig. 2, the concrete foundation 1 is square, and the positions of the top of the concrete foundation 1 corresponding to the four sides are provided with reserved steel bars 12. The preformed groove 11 is the rectangular channel to the preformed groove 11 sets up to eight, and eight preformed grooves 11 all are located concrete foundation 1's middle part and set up along the horizontal direction, and eight preformed grooves 11 encircle to be the rice type and distribute in concrete foundation 1.
Combine fig. 3 and fig. 4, in order to lighten the curb plate 3 and cause the damage with concrete foundation 1 direct contact to concrete foundation 1, all pour lag 5 in advance in the reservation groove 11, lag 5 be with the rectangle cover of reservation groove 11 adaptation, in the lag 5 is worn to locate by curb plate 3, curb plate 3 is the rectangle steel sheet with reservation groove 11 adaptation, and 3 one end of curb plate is located the protective sheath outside. The outer side wall of the protecting sleeve 5 is tightly attached to the preformed groove 11, and the inner side wall of the anti-slip sleeve is tightly attached to the side supporting plate 3.
In order to improve the waterproof effect of the opening end of the preformed groove 11, a flanging 51 is integrally formed at one end of the protective sleeve 5 departing from the concrete foundation 1, and the flanging 51 is tightly attached to the outer side wall of the concrete foundation 1.
The middle position of the top of the concrete foundation 1 is reserved with a pressing groove 13, the pressing groove 13 is a circular groove, the axis direction of the pressing groove 13 is arranged along the vertical direction, and the pressing groove 13 is communicated with the eight reserved grooves 11. One end integrated into one piece that side fagging 3 is located concrete foundation 1 has steadying plate 31, and steadying plate 31 is isosceles triangle shaped plate, and steadying plate 31 is located and compresses tightly 13 inslots to eight steadying plate 31's top all mutual butt.
The balance weight post 61 is placed in the pressing groove 13, and the outer diameter of the balance weight post 61 is the same as the inner diameter of the pressing groove 13. The bottom of the counterweight column 61 is pressed against the tops of the eight stabilizing plates 31. Eight limiting rods 611 are fixedly connected to the bottom of the counterweight column 61 at intervals, each limiting rod 611 corresponds to one stabilizing plate 31, a limiting hole 311 is formed in a position, corresponding to the limiting rod 611, of each stabilizing plate 31, the limiting rod 611 in the corresponding position is inserted into the limiting hole 311, and then the side supporting plate 3 is limited to move in the horizontal direction.
Supporting plate 62 is welded at counter weight post 61 top integrated into one piece or has, and supporting plate 62 is square board, and the width of supporting plate 62 sets up the same with concrete foundation 1's width, and supporting plate 62 is through reserving reinforcing bar 12 and concrete foundation 1 bolt fixed connection.
Referring to fig. 5, be provided with coupling assembling 7 between tower crane base 2 and the backup pad 62, tower crane base 2 is fixed in on the backup pad 62 through coupling assembling 7. The connecting assembly 7 comprises supporting blocks 71 fixed at four end corners of the supporting plate 62, and a cross-shaped connecting groove 711 is arranged on each supporting block 71; the connecting assembly 7 further comprises four positioning blocks 72 fixed at four end corners of the tower crane base 2, and each positioning block 72 corresponds to one supporting block 71. The positioning block 72 is a block fitted to the connection groove 711, and the positioning block 72 is inserted into the connection groove 711 and then fixedly connected thereto by a bolt.
One ends of the eight inclined supporting rods 4 are respectively hinged to the side walls of the tower crane base 2 at the positions corresponding to the eight side supporting plates 3, and the hinged ends of the eight inclined supporting rods 4 are located at the same height. One end of the inclined stay bar 4 departing from the tower crane base 2 is connected with the side stay plate 3 through a bolt. The inclination angles of the eight inclined supporting rods 4 are all arranged the same.
Referring to fig. 2 and 3, the bottom of one end of each side support plate 3 located outside the concrete foundation 1 is provided with an auxiliary support structure 8 for supporting the side support plate 3. The auxiliary supporting structure 8 comprises a supporting pile 81, the bottom of the supporting pile 81 is set to be conical, and a plurality of barbs 811 are arranged at intervals on the circumference of the bottom of the supporting pile 81. Not only is the support pile 81 convenient to insert into the ground, but also the sinking of the support pile 81 can be slowed down. The middle part of the support pile 81 is coaxially and fixedly connected with a reinforcing ring 812, after the bottom of the support pile 81 is inserted into the ground, the reinforcing ring 812 is in close contact with the ground, the contact area between the support pile 81 and the ground is increased, and the stability of the support pile 81 is further improved.
The top of the supporting pile 81 is fixedly connected with a hydraulic cylinder 82, and the output end of the hydraulic cylinder 82 is vertically arranged upwards. The output end of the hydraulic cylinder 82 is fixedly connected with a support 83, the support 83 is a concave plate, one end of the opening of the support 83 is arranged towards the side supporting plate 3, and the opening end of the support 83 is in close contact with the side supporting plate 3. In order to prevent the relative sliding between the brace 83 and the side brace 3, the position of the bottom of the side brace 3 corresponding to the brace 83 is provided with a limit groove 33, and the brace 83 is clamped in the limit groove 33.
After inserting support stake 81 on ground, start hydraulic cylinder 82, make the bracketing 83 joint at hydraulic cylinder 82 top in spacing groove 33, realize the supporting role to fagging 3, further strengthened the stability on tower crane basis. And the hydraulic cylinder 82 can drive the support 83 to move along the vertical direction, so that the height of the support 83 is conveniently adjusted after the support pile 81 is settled, and the support 83 is continuously kept in contact with the side supporting plate 3.
The implementation principle of a tower crane foundation in the embodiment of the application is as follows:
the side supporting plate 3 is inserted into the preformed groove 11 at the corresponding position, the plurality of stabilizing plates 31 are mutually abutted, then the counterweight column 61 is inserted into the pressing groove 13, and the position of the counterweight column 61 is adjusted to enable each limiting rod 611 to be inserted into the limiting hole 311 at the corresponding position. The support plate 62 is fixedly connected with the top of the concrete foundation 1 through bolts, so that the support plate 62 is fixed with the concrete foundation 1. The tower crane base 2 is fixed on the supporting plate 62 through the connecting assembly 7, and finally the inclined supporting rod 4 is connected with the side supporting plate 3 at the corresponding position through bolts.
When the tower crane is influenced by the external environment and leads to the uneven slope of atress to one side, the side brace 3 that corresponds one side exerts the holding power to tower crane base 2 through diagonal brace 4, has effectively improved tower crane stability, has effectively alleviateed the destruction degree to concrete foundation 1 when the uneven slope that takes place because of the tower crane atress moreover. One end of the side supporting plate 3 is located in the concrete foundation 1, when the acting force is applied to the side supporting plate 3 by the inclined supporting rod 4, the stress is applied from the interior of the concrete foundation 1 by the end of the side supporting plate 3 located in the concrete foundation 1, the acting part of the tower crane on the concrete foundation 1 is increased when the tower crane inclines, the acting force is dispersed, the concrete foundation 1 is prevented from cracking due to the fact that the stress of the single part is too large, and the anti-inclination capability of the tower crane foundation is effectively improved.
The stabilizing process for the tower crane foundation provided by the embodiment of the application comprises the following steps:
step one, determining the installation position of a tower crane, and excavating a foundation pit at the position, wherein the length and the width of the foundation pit are both larger than the length and the width of a concrete foundation by 2-3 meters, and the depth of the foundation pit is not smaller than 2.5 meters.
And step two, carrying out layered tamping backfill treatment on the foundation pit until the height of the foundation pit is consistent with the ground height, wherein the number of layered backfill is not less than 3.
And step three, pouring a concrete cushion layer with the strength not less than C35 on the top of the backfilling area, arranging a steel bar mesh in the concrete cushion layer, and leveling.
And step four, pouring the concrete foundation, reserving a plurality of reserved grooves, and normally maintaining the concrete foundation for 28d according to the construction requirement.
And fifthly, all installing side supporting plates in each reserved groove, installing the tower crane base at the top of the concrete foundation, and fixedly abutting the tower crane base and the side supporting plates by using inclined supporting rods.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a tower crane foundation, includes tower crane base (2), its characterized in that: the concrete foundation structure is characterized by further comprising a concrete foundation (1), wherein a plurality of reserved grooves (11) are reserved in the concrete foundation (1), and the reserved grooves (11) are arranged along the horizontal direction; a side supporting plate (3) is arranged in each reserved groove (11), and one end of each side supporting plate (3) extends out of the reserved groove (11);
tower crane base (2) are fixed in concrete foundation (1) top, equal butt has diagonal brace (4) between tower crane base (2) and a plurality of side fagging (3).
2. The tower crane foundation of claim 1, wherein: the reserved grooves (11) are all located at the same horizontal height, and the inclined angles of the inclined support rods (4) are all arranged at the same level;
a compaction groove (13) is reserved at the top of the concrete foundation (1), and the compaction groove (13) is communicated with the plurality of reserved grooves (11);
a supporting plate (62) is arranged between the tower crane base (2) and the concrete foundation (1), the bottom of the supporting plate (62) is fixedly connected with a counterweight column (61), the counterweight column (61) is positioned in a pressing groove (13), and the counterweight column (61) and the plurality of side supporting plates (3) are simultaneously abutted and pressed; tower crane base (2) are fixed on backup pad (62) to the axis direction setting of central point through counter weight post (61) of tower crane base (2).
3. The tower crane foundation of claim 2, wherein: the contact position of the bottom of the counterweight column (61) and each side supporting plate (3) is fixedly connected with a limiting rod (611); each side supporting plate (3) is provided with a limiting hole (311) for inserting a limiting rod (611) at a corresponding position.
4. The tower crane foundation of claim 1, wherein: a protective sleeve is arranged in the preformed groove (11), and the side supporting plate (3) is arranged in the protective sleeve.
5. The tower crane foundation of claim 4, wherein: a flanging (51) is fixedly arranged at the opening end of the protective sleeve, and the flanging (51) is tightly attached to the outer side wall of the concrete foundation (1).
6. The tower crane foundation of claim 1, wherein: every the bottom that side backup pad (3) stretched out the outer one end of preformed groove (11) all is provided with supplementary supporting component, supplementary supporting component is used for supporting side backup pad (3).
7. The tower crane foundation of claim 6, wherein: the auxiliary supporting component comprises a supporting pile (81), the bottom of the supporting pile (81) is conical, and a plurality of barbs (811) are fixedly connected to the bottom of the supporting pile (81) in the circumferential direction; and a reinforcing ring (812) is coaxially and fixedly connected to the support pile (81).
8. The tower crane foundation of claim 7, wherein: and a hydraulic cylinder (82) is arranged at the top of the support pile (81), and the output end of the hydraulic cylinder (82) is used for supporting a side supporting plate (3).
9. The tower crane foundation of claim 8, wherein: the output end of the hydraulic cylinder (82) is fixedly connected with a support (83); the side supporting plate (3) is provided with a limiting groove (33) at a position corresponding to the supporting bracket (83), and the supporting bracket (83) is clamped in the limiting groove (33).
10. A process for stabilizing a tower crane foundation according to any one of claims 1 to 9, wherein: the method comprises the following steps:
step one, determining the installation position of a tower crane, and excavating a foundation pit at the position, wherein the length and the width of the foundation pit are both larger than the length and the width of a concrete foundation (1) by 2-3 meters, and the depth of the foundation pit is not smaller than 2.5 meters;
step two, carrying out layered tamping backfill treatment on the foundation pit until the height of the foundation pit is consistent with the height of the ground, wherein the number of layered backfill is not less than 3;
step three, pouring a concrete cushion layer with the strength not less than C35 on the top of the backfilling area, arranging a steel bar mesh in the concrete cushion layer, and leveling;
pouring the concrete foundation (1) on the concrete cushion layer, reserving a plurality of reserved grooves (11), and normally maintaining the concrete foundation (1) for 28d according to construction requirements;
and fifthly, installing side supporting plates (3) in each reserved groove (11), installing the tower crane base (2) at the top of the concrete foundation (1), and using inclined supporting rods (4) to fixedly abut the tower crane base (2) against the side supporting plates (3).
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| KR20110058601A (en) * | 2009-11-26 | 2011-06-01 | 주식회사 아이엘티 | Bracket for fixing of supporter by architectural construction |
| CN211006749U (en) * | 2019-07-30 | 2020-07-14 | 青岛虹海建设设备有限公司 | Easily build formula tower crane foundation structure with prevent falling |
| CN211946011U (en) * | 2020-04-17 | 2020-11-17 | 徐恒强 | Novel anti-wind and anti-seismic tower crane base for building tower crane |
| CN213448546U (en) * | 2020-09-23 | 2021-06-15 | 天津力拓得科技有限公司 | Tower crane foundation supporting device |
| CN214087449U (en) * | 2020-12-02 | 2021-08-31 | 南京杨川机电设备检修安装有限责任公司 | Lifting device for wind power equipment |
| CN112723190A (en) * | 2020-12-31 | 2021-04-30 | 江阴建禾钢品有限公司 | A basic base for tower crane steel construction |
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| CN114086595B (en) | 2022-08-16 |
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