CN103967040B - Tower-crane foundation structure and construction method thereof - Google Patents
Tower-crane foundation structure and construction method thereof Download PDFInfo
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- CN103967040B CN103967040B CN201410210961.5A CN201410210961A CN103967040B CN 103967040 B CN103967040 B CN 103967040B CN 201410210961 A CN201410210961 A CN 201410210961A CN 103967040 B CN103967040 B CN 103967040B
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Abstract
The invention provides a kind of tower-crane foundation structure and construction method thereof, wherein, construction method comprises: planting reinforced bar into concrete process; Leveling procedures; And the assignment procedure of cushion cap.Tower-crane foundation structure comprises: concrete foundation, spacer bars, sole plate and cushion cap.The invention solves the problem that existing tower crane can not ensure high stability and high efficiency location dismounting simultaneously, and drastically increase the operating efficiency of tower crane construction, and reduce the environment pollution of constructing and causing further, reach green construction requirement.
Description
Technical field
The invention belongs to the realm of building construction, be specifically related to a kind of tower-crane foundation structure and construction method thereof.
Background technology
At present, tower crane has been widely deployed in building field.Due to tower crane lift by crane object time stationarity and safety and tower crane have direct relation, thus, the ring particularly paid attention to when ensureing that the firm stable of tower crane is always and installs tower crane construction.
Existing very general way is concreting block using as tower crane, but, when utilizing existing way to construct, the volume of institute's concreting block is general larger, also need through tying up the operations such as reinforcing bar, formwork supporting plate and concreting during construction, this just causes the levelness being difficult to ensure lower margin in concrete vibrating process to a certain extent, and, after tower crane is removed, concrete foundation also needs demolition blasting separately.Obviously, there is the low and defects such as contaminated environment of efficiency of construction in this kind of way.。
Summary of the invention
For overcoming the defect existing for prior art, a kind of tower-crane foundation structure and construction method thereof are now provided, to solve the problem that existing tower crane can not ensure high stability and high efficiency location dismounting simultaneously, and drastically increase the operating efficiency of tower crane construction, and reduce the environment pollution of constructing and causing further, reach green construction requirement.
For achieving the above object, first the present invention provides a kind of tower-crane foundation structure construction method, comprising:
Planting reinforced bar into concrete process, be included in concrete foundation and implant many spacer barss to form the multiple bar planting regions corresponding with tower crane anchor, many spacer barss in bar planting region protrude from concrete foundation;
Leveling procedures, be included in each bar planting region and utilize spacer bars correspondence that one sole plate is set and carry out levelling to sole plate, after all sole plates in multiple bar planting region are all in same preset height, by described spacer bars the sole plate in each bar planting region are fixed and fill the space between grouting sole plate and concrete foundation;
The assignment procedure of cushion cap, is included in an affixed cushion cap on each sole plate, is individually fixed on each cushion cap for by tower crane anchor.
The beneficial effect of tower-crane foundation structure construction method of the present invention is,
1) by using spacer bars, sole plate is located every sky temporarily;
2) ensure that the high-level degree of sole plate is levelling progressively to realize by the instrument of detection level degree;
3) by the sole plate every sky is carried out fill grouting with improve its levelling after stable degree;
4) by tower crane anchor being fixed on cushion cap to realize locating high stable and the high efficiency of dismounting.
The further improvement of tower-crane foundation structure construction method of the present invention is, forms single bar planting region and comprises: many spacer bars rules arranged and be implanted in respectively in concrete foundation, to form many spacer barss of protrusion on concrete foundation.
The further improvement of tower-crane foundation structure construction method of the present invention is, sole plate is provided with multiple locating holes of rule arrangement, leveling procedures comprises: by the top of spacer bars respectively correspondence be arranged in locating hole, and between sole plate and concrete foundation, form described gap.
The further improvement of tower-crane foundation structure construction method of the present invention is, leveling procedures comprises: carry out levelness detection to the sole plate in each bar planting region and adjust in real time, until all sole plates in multiple bar planting region are all in same preset height.
The further improvement of tower-crane foundation structure construction method of the present invention is, leveling procedures comprises: after all described sole plate in multiple described bar planting region is all in same preset height, to any one sole plate, first respectively by the top of spacer bars and sole plate affixed, then to gap carry out described filling grouting.
The further improvement of tower-crane foundation structure construction method of the present invention is, the assignment procedure of cushion cap comprises: after grouting to be filled completes, be welded on sole plate by cushion cap.
The further improvement of tower-crane foundation structure construction method of the present invention is, the assignment procedure of cushion cap also comprises: arrange locating wheel profile at the upper surface of cushion cap, is fixed on cushion cap according to locating wheel profile for tower crane anchor.
For realizing above-mentioned purpose better, the present invention also provides a kind of tower-crane foundation structure, comprising:
Be formed at multiple bar planting regions in concrete foundation and corresponding with tower crane anchor number, in each bar planting region, be provided with many spacer barss of protrusion;
Being arranged in each bar planting region and being positioned at the sole plate at spacer bars top, all sole plates in multiple bar planting region are all in same preset height; And
Be arranged at cushion cap fixing for tower crane anchor on sole plate.
The beneficial effect of tower-crane foundation structure of the present invention is,
1) coordinate the vibrational power flow of sole plate levelling to realize in construction by spacer bars;
2) coordinate the vibrational power flow of cushion cap to realize flexible and stable location dismounting in construction by sole plate.
The further improvement of tower-crane foundation structure of the present invention is, also comprises the leveling layer be formed between concrete and sole plate.
The further improvement of tower-crane foundation structure of the present invention is, the arrangement of many spacer bars rules, and sole plate is provided with multiple locating holes of rule arrangement, and spacer bars and locating hole one_to_one corresponding are also welded to connect; Cushion cap is welded on sole plate, and the end face of cushion cap has locating wheel profile, is fixedly connected with according to locating wheel profile for tower crane anchor with the end face of cushion cap.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of tower-crane foundation structure construction method of the present invention;
Fig. 2 is the sectional structure schematic diagram that spacer bars of the present invention is anchored in concrete foundation;
Fig. 3 is the plan structure schematic diagram that the present invention forms four bar planting regions;
Fig. 4 is the plan structure schematic diagram of sole plate of the present invention;
Fig. 5 is the sectional structure schematic diagram of the present invention's immobilizing foundation base plate on the basis of Fig. 3 and Fig. 4;
Fig. 6 is that the present invention fills grouting with the sectional structure schematic diagram forming leveling layer on the basis of Fig. 5;
Fig. 7 is the sectional structure schematic diagram of the present invention's fixed bearing platform on Fig. 6 basis;
Fig. 8 is the plan structure schematic diagram of cushion cap end face of the present invention;
Fig. 9 is the sectional structure schematic diagram that the present invention fixes tower crane anchor on Fig. 7 and Fig. 8 basis.
Detailed description of the invention
For the benefit of to the understanding of structure of the present invention, be described below in conjunction with drawings and Examples.
With reference to Fig. 1, be the schematic flow sheet of tower-crane foundation structure construction method of the present invention, as shown in Figure 1, first the present invention provides a kind of tower-crane foundation structure construction method, comprises following main process:
A. planting reinforced bar into concrete process
Can refer to Fig. 2, for spacer bars 2 of the present invention is anchored in the cross-sectional schematic of concrete foundation 1, as shown in Figure 2, during construction, first step S1 be should perform: need in advance according to the load needs of tower crane, the cross section of required spacer bars 2, quantity and anchorage depth thereof calculated.To be calculated complete after, just can in the concrete foundation 1 that once grouting is shaping, (certain reinforced hole also can be arranged by other rule forms, such as to offer multiple reinforced hole of arranging in the matrix form, the arrangement of rice font), the degree of depth of reinforced hole need reach the calculating setting value of anchorage depth.Then, by construction requirement, be implanted in respectively by many spacer barss 2 in each reinforced hole, when reinforcing bar 2 to be positioned arrives the anchorage depth of reinforced hole, anchor and position reinforcing bar 2 makes it naturally protrude to be revealed on concrete foundation 1.Mode according to this, forms the bar planting region 8 of a rectangle.
It should be noted that because existing tower crane generally has four lower margins, therefore, with reference to Fig. 3, for the present invention forms the plan structure schematic diagram in four bar planting regions 8, as shown in Figure 3, said process is repeated, form four bar planting regions all around, with this, completing steps S1.
B. the position fixing process of sole plate 3
Can refer to Fig. 4, for the plan structure schematic diagram of sole plate 3 of the present invention, shown in composition graphs 3 and Fig. 4, for each bar planting region 8, after step S1 completes, step S2 should be performed again during construction: in advance prepare base plate 3 based on a block plate, this sole plate 3 needs offer can be corresponding with spacer bars 2 multiple locating holes 30.When implementing, lip block can be set in sole plate 3 soffit surrounding, to make sole plate 3 be supported every sky temporarily, and ensure to a spacer bars 2 should be had in each locating hole 30, with this, completing steps S2, locating every sky of optimized integration base plate 3.
C. the leveling procedures of sole plate 3
Can refer to Fig. 5, for the sectional structure schematic diagram of the present invention's immobilizing foundation base plate 3 on the basis of Fig. 3 and Fig. 4, as shown in Figure 5, for each bar planting region 8, after step S2 completes, should perform step S3 again during construction: because the sole plate 3 in step S2 is supported every sky by interim, thus, between sole plate 3 and concrete foundation 1, self-assembling formation is between absolutely empty 4, whereby, the accurate adjustment of levelness can be carried out to sole plate 3.Particularly, when implementing, level gauge can be utilized constantly to carry out the detection of levelness to sole plate 3 and adjust in real time, until all sole plates 3 in base four bar planting regions 8 are all in same preset height, with this, completing steps S3, optimized integration base plate 3 degree of precision levelling.
D. the fixation procedure of sole plate 3
Can refer to Fig. 6, for the present invention fills grouting with the sectional structure schematic diagram forming leveling layer 5 on the basis of Fig. 5, as shown in Figure 5, for each bar planting region 8, after step S3 completes, step S4 should be performed again: reach after construction precision requires until the levelness of sole plate 3 during construction, ideal situation is, the upper surface of sole plate 3 flushes with the top of spacer bars 2, now, just can first the welded top of locating hole 30 with spacer bars 2 be fixed up, again the cushion block being supported in sole plate 3 soffit surrounding is removed, afterwards, just back-grouting can be carried out to formed every absolutely empty 4, enrich will fill every absolutely empty 4.Afterwards, between sole plate 3 and concrete foundation 1, just define one deck leveling layer 5, with this, stable degree of sole plate 3 is improved significantly
E. the assignment procedure of cushion cap 6
Can refer to Fig. 7, for the sectional structure schematic diagram of the present invention's fixed bearing platform 6 on Fig. 6 basis, as shown in Figure 7, for each bar planting region 8, after step S4 completes, step S5 should be performed again: after leveling layer 5 thoroughly solidifies during construction, just can on sole plate 3 fixed bearing platform 6, ideally, cushion cap 6 is fixedly welded on the center of sole plate 3.
F. the assignment procedure of tower crane anchor 7
Can refer to Fig. 8 and Fig. 9, Fig. 8 is the plan structure schematic diagram of cushion cap 6 end face of the present invention, Fig. 9 is the sectional structure schematic diagram that the present invention fixes tower crane anchor 7 on Fig. 7 and Fig. 8 basis, shown in composition graphs 8 and Fig. 9, for each bar planting region 8, after step S5 completes, step S6 should be performed again: because the upper surface of each cushion cap 6 all has locating wheel profile 60 during construction, after cushion cap 6 is welded and fixed, tower crane anchor 7 need carry out the fixed position relative of as far as possible accurately tower crane anchor 7 and cushion cap 6 by these locating wheel profiles 60 of cushion cap 6 upper surface.
After above step S1 to step S6 completes, four tower crane anchors 7 should be able to firmly and be accurately connected with tower-crane foundation structure.
Below introduce wherein a kind of tower-crane foundation structure (apply tower-crane foundation structure construction method of the present invention and should be not limited to following this tower-crane foundation structure) that the above-mentioned tower-crane foundation structure construction method of application can be formed:
With reference to Fig. 7, for the sectional structure schematic diagram of the present invention's fixed bearing platform on Fig. 6 basis, be also the sectional structure schematic diagram of tower-crane foundation structure of the present invention, as shown in Figure 7 simultaneously, the present invention also provides a kind of tower-crane foundation structure, comprising: the concrete foundation 1 that once grouting is formed; Be fixed on the many spacer barss 2 in concrete foundation 1; Be arranged at the sole plate 3 at spacer bars 2 top; And the cushion cap 6 be arranged on sole plate 3.
Shown in composition graphs 8 and Fig. 9, in the present embodiment, concrete foundation 1 is formed in the pit that excavates on ground, job site; Round bar can be selected as spacer bars 2, after all spacer barss 2 are fixed on concrete foundation 1, four bar planting regions 8 as shown in Figure 3 need be formed, and, all there is in each bar planting region 8 the said structure feature as shown in Figure 7 included by tower-crane foundation structure of the present invention; Selecting base plate 3 based on square plate, for corresponding to round bar, sole plate 3 offering circular locating hole 30, spacer bars 2 and locating hole 30 all matrix are arranged and are welded to connect; Further, one deck leveling layer 5 is formed with through back-grouting to fill between sole plate 3 and concrete foundation 1; The cushion cap 6 of ladder type is fixedly welded on the upper surface center of sole plate 3, and the upper surface of cushion cap 6 is then laid with many locating wheel profiles 60, is accurately fixed on the upper surface of cushion cap 6 for tower crane anchor 7.
After completing above-mentioned implementation process, the following characteristics of tower-crane foundation structure of the present invention and construction method thereof should be able to be embodied:
1) realize high efficiency structure construction, and be convenient to remove;
2) common reinforcing bar and steel plate is utilized to solve a levelling difficult problem;
3) solid base structure is obtained by the mode of back-grouting formation leveling layer.
Below embodiment is to invention has been detailed description by reference to the accompanying drawings, and those skilled in the art can make many variations example to the present invention according to the above description.Thus, some details in embodiment should not form limitation of the invention, the present invention by the scope that defines using appended claims as protection domain.
Claims (9)
1. a tower-crane foundation structure construction method, is characterized in that, comprising:
Planting reinforced bar into concrete process, be included in concrete foundation and implant spacer bars to form the multiple bar planting regions corresponding with tower crane anchor, many described spacer barss in described bar planting region protrude from described concrete foundation;
Leveling procedures, be included in each described bar planting region, described spacer bars correspondence is utilized one sole plate to be set and to carry out levelling to described sole plate, after all described sole plate in multiple described bar planting region is all in same preset height, by described spacer bars the described sole plate in each described bar planting region is fixed and fill the space between the described sole plate of grouting and described concrete foundation;
The assignment procedure of cushion cap, is included in an affixed cushion cap on each described sole plate, is individually fixed on cushion cap described in each for by described tower crane anchor.
2. tower-crane foundation structure construction method according to claim 1, is characterized in that,
The process forming single described bar planting region comprises: many described spacer bars rules arranged and be implanted in described concrete foundation respectively, to form many described spacer barss of protrusion on described concrete foundation.
3. tower-crane foundation structure construction method according to claim 2, is characterized in that,
Described sole plate is provided with multiple locating holes of rule arrangement;
Described leveling procedures comprises: by the top of described spacer bars respectively correspondence be arranged in described locating hole, and form described space between described sole plate and described concrete foundation.
4. tower-crane foundation structure construction method according to claim 3, is characterized in that,
Described leveling procedures comprises: the described sole plate in each described bar planting region is carried out to levelness detection and adjusts in real time, until all described sole plate in multiple described bar planting region is all in same preset height.
5. tower-crane foundation structure construction method according to claim 4, is characterized in that,
Described leveling procedures comprises: after all described sole plate in multiple described bar planting region is all in same preset height, to sole plate described in any one, first respectively by the top of described spacer bars and described sole plate affixed, then to described space carry out described filling grouting.
6. tower-crane foundation structure construction method according to claim 1 or 5, is characterized in that,
The assignment procedure of described cushion cap comprises: after described filling grouting completes, be welded on described sole plate by described cushion cap.
7. tower-crane foundation structure construction method according to claim 6, is characterized in that,
The assignment procedure of described cushion cap also comprises: arrange locating wheel profile at the upper surface of described cushion cap, is fixed on described cushion cap according to described locating wheel profile for described tower crane anchor.
8. a tower-crane foundation structure, is characterized in that, comprising:
Be formed at multiple bar planting regions in concrete foundation and corresponding with tower crane anchor, in each described bar planting region, be provided with many spacer barss of protrusion;
Being arranged in each described bar planting region and being positioned at the sole plate at described spacer bars top, all described sole plate in multiple described bar planting region is all in same preset height; And
Be arranged at cushion cap fixing for described tower crane anchor on each described sole plate;
Many described spacer bars rules arrangements, described sole plate is provided with multiple locating holes of rule arrangement, and described spacer bars and described locating hole one_to_one corresponding are also welded to connect;
Described cushion cap is welded on described sole plate, and the end face of described cushion cap has locating wheel profile, is fixedly connected with according to described locating wheel profile for described tower crane anchor with the end face of described cushion cap.
9. tower-crane foundation structure according to claim 8, is characterized in that,
Also comprise the leveling layer be formed between described concrete and described sole plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410210961.5A CN103967040B (en) | 2014-05-19 | 2014-05-19 | Tower-crane foundation structure and construction method thereof |
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| CN201410210961.5A CN103967040B (en) | 2014-05-19 | 2014-05-19 | Tower-crane foundation structure and construction method thereof |
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| CN103967040A CN103967040A (en) | 2014-08-06 |
| CN103967040B true CN103967040B (en) | 2015-12-02 |
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| CN113557506B (en) * | 2019-10-24 | 2022-04-26 | 广州建筑股份有限公司 | Quantifiable and programmable building construction group tower optimal arrangement method |
| CN111894031B (en) * | 2020-08-10 | 2021-08-10 | 中国建筑第八工程局有限公司 | Tower crane foundation and construction method thereof |
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| CN2751072Y (en) * | 2004-11-29 | 2006-01-11 | 北京城建五建设工程有限公司 | Positioning frame for tower crane footing |
| CN201620422U (en) * | 2009-12-24 | 2010-11-03 | 赵正义 | Vertical connecting and positioning construction of tower structure and foundation concrete |
| CN102561384A (en) * | 2012-01-31 | 2012-07-11 | 中天建设集团有限公司天津分公司 | Steel hoop truss type elevated pile cap tower crane foundation construction method and structure |
| CN202913420U (en) * | 2012-11-20 | 2013-05-01 | 中国十七冶集团有限公司 | Reusable positioning device for installing foundation bolts |
| CN203878601U (en) * | 2014-05-19 | 2014-10-15 | 中国建筑第八工程局有限公司 | Tower crane foundation structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009167660A (en) * | 2008-01-15 | 2009-07-30 | Takenaka Komuten Co Ltd | Tower crane foundation structure and method of constructing the same |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2751072Y (en) * | 2004-11-29 | 2006-01-11 | 北京城建五建设工程有限公司 | Positioning frame for tower crane footing |
| CN201620422U (en) * | 2009-12-24 | 2010-11-03 | 赵正义 | Vertical connecting and positioning construction of tower structure and foundation concrete |
| CN102561384A (en) * | 2012-01-31 | 2012-07-11 | 中天建设集团有限公司天津分公司 | Steel hoop truss type elevated pile cap tower crane foundation construction method and structure |
| CN202913420U (en) * | 2012-11-20 | 2013-05-01 | 中国十七冶集团有限公司 | Reusable positioning device for installing foundation bolts |
| CN203878601U (en) * | 2014-05-19 | 2014-10-15 | 中国建筑第八工程局有限公司 | Tower crane foundation structure |
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