CN108946522B - Attached tower crane base steel plinth turnover method outside super high-rise building - Google Patents

Attached tower crane base steel plinth turnover method outside super high-rise building Download PDF

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Publication number
CN108946522B
CN108946522B CN201810971725.3A CN201810971725A CN108946522B CN 108946522 B CN108946522 B CN 108946522B CN 201810971725 A CN201810971725 A CN 201810971725A CN 108946522 B CN108946522 B CN 108946522B
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China
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tower crane
base steel
plinth
steel
crane base
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CN201810971725.3A
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CN108946522A (en
Inventor
刘五常
黄和飞
戴超
武雄飞
侯春明
廖鸿
刘旭冉
余洋
赵长江
田林博
牟财杰
刘洋
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China Construction Third Engineering Bureau Co Ltd
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China Construction Third Engineering Bureau Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • B66C23/72Counterweights or supports for balancing lifting couples
    • B66C23/78Supports, e.g. outriggers, for mobile cranes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The present invention discloses attached tower crane base steel plinth turnover method outside a kind of super high-rise building, it is characterised in that includes the following steps: step a: designing a steel drawer frame;Step b: after tower crane completion is climbed, expose bottom attached tower crane base steel plinth outer together;Step c: before tower crane climbing next time, when selection pours floorslab concrete, the bottom attached tower crane base steel plinth outer together on tower crane lifting steel drawer frame is recycled, attached tower crane base steel plinth is lifted into the top of twice base steel plinth on Core Walls Structure shear wall outside the road Bing Jiangzhe;Step d: circulation step b-c, the turnover of attached tower crane base steel plinth outside super high-rise building can be completed.The adjustment of this case turnover method, the vacant phase of tower crane when being effectively utilized floor concrete casting twice, and carry out disassembly, interim storage and the lifting and installation of bottom one of tower crane base steel plinth respectively within this vacant phase twice, it can and so on complete the turnover of attached tower crane base steel plinth outside three.

Description

Attached tower crane base steel plinth turnover method outside super high-rise building
Technical field
The invention belongs to attached tower crane base steel plinth outside Super High main structural engineering field more particularly to a kind of super high-rise building Turnover method.
Background technique
With the development of society, super high-rise building is more and more, the building for being 100m or more by height in building trade Referred to as super high-rise building.Existing super high-rise building generally uses Core Walls Structure+outer framework structure type, core in work progress Cylinder is constructed prior to frame structure.It is mostly invested on the shear wall of Core Walls Structure outside convenient for the tower crane of construction, and tower crane is typically provided with three Road base steel plinth is supported by twice base steel plinth above, and bottom one of base steel plinth, which stays, to be located on the shear wall of Core Walls Structure, to tower It hangs to fall to use upwards when climbing next time.Currently, first bottom one of base steel plinth of outer attached tower crane is torn open from Core Walls Structure shear wall Under, when bottom one of base steel plinth is lifted into above upper two layers base steel plinth by tower crane, the road Zai Jiangzhe base steel plinth is fixed on core On cylinder shear wall, to realize the turnover of outer attached tower crane base steel plinth, whole dismounting, lifting and installation process are a continuous mistakes Journey, and tower crane is occupied always during entire continuous turnover, to make tower crane that can not during this period of time carry out others Lifting operation.
The method of existing outer attached tower crane base steel plinth turnover is primarily present following defect:
1, when being climbed every time due to outer attached tower crane, base steel plinth entire circular flow from removing to reinstalling need continuously into Row, continuous time is very long, and occupies tower crane always during entire continuous turnover, thus make tower crane during this period of time without Method carries out other lifting operations, seriously affects site operation progress.
2, since one of the base steel plinth in bottom is attached on Core Walls Structure shear wall, work surface is provided without space herein, therefore Outline border construction herein can not be carried out, so as to cause 4-5 floor corresponding to bottom one of base steel plinth close to base steel plinth one Side construction speed lag, to further delay construction speed.Meanwhile 4- corresponding to bottom one of the base steel plinth of subsequent construction It when 5 floor, needs to be moistened with mortar using " pumping " mode placing concrete and manage, mortar needs cost, and profit pipe post-processes dregs It is also required to expense;Also, subregion, which pours to stay, sets more construction joint, carries out processing to construction joint and is also required to cost.In conclusion Bottom one of base steel plinth, which is attached on Core Walls Structure shear wall, can not only delay construction speed, but also will increase dramatically and be constructed into This.
3, it is influenced by one of the base steel plinth in bottom, the operation side highest of frame structure is no more than bottom one Base steel plinth, frame structure construction speed are limited to bottom one of the base steel plinth of tower crane, are thus easy to cause Core Walls Structure and outline border The excessive height difference of structure, to influence structure construction safety.
Summary of the invention
Technical problem to be solved by the present invention lies in providing attached tower crane base steel plinth turnover method outside a kind of super high-rise building, Construction efficiency to be improved reduces construction cost, and guarantees structure construction safety.
Technical scheme is as follows: attached tower crane base steel plinth turnover method outside a kind of super high-rise building, it is characterised in that Include the following steps:
Step a: designing a steel drawer frame, and the steel drawer frame (A) is for the bottom attached tower crane steel outer together of interim global storage Basic (B), the steel drawer frame are fixed on structure floor (1);The steel drawer frame (A) includes steel stand (2), wherein steel stand (2) Number is 3, this 3 steel stands (2) are arranged side by side;It is fixed by one group of crossbeam (3) between adjacent 2 steel stands (2) Connection, and bottom attached tower crane base steel plinth (B) outer together is supported on the crossbeam (3) between adjacent 2 steel stands (2);
Step b: after tower crane completion is climbed, exposing bottom attached tower crane base steel plinth (B) outer together, then to pour build floor mixed When solidifying soil, bottom attached tower crane base steel plinth (B) outer together is played using tower crane, and by worker by bottom attached tower crane steel outer together Basis is removed from Core Walls Structure shear wall, after bottom attached tower crane base steel plinth (B) outer together is removed, is integrally hung by tower crane Onto the steel drawer frame (A), and on the crossbeam (3) being supported between adjacent 2 steel stands (2);
Step c: before tower crane is climbed next time, when selection pours floorslab concrete, tower crane lifting steel drawer frame (A) is recycled On bottom attached tower crane base steel plinth (B) outer together, attached tower crane base steel plinth is lifted into two on Core Walls Structure shear wall outside the road Bing Jiangzhe Tower crane base steel plinth attached outside this road is finally fixed on Core Walls Structure shear wall by the top of road base steel plinth, thus attached tower outside the road Shi Zhe Machine base steel plinth becomes topmost outer attached tower crane base steel plinth together, and original intermediate attached tower crane base steel plinth outer together becomes most lower The outer attached tower crane base steel plinth in one of face;
Step d: circulation step b-c, the turnover of attached tower crane base steel plinth outside super high-rise building can be completed.
In the above-mentioned technical solutions, the present invention has abandoned the method that the prior art continuously has enough to meet the need outer attached tower crane base steel plinth, takes And instead of be that circular flow is divided into intermittent two processes, i.e., are as follows: the bottom attached tower crane base steel plinth outer together of disassembly, and will Its interim entirety is stored on the steel drawer frame (A) of Aided design;Bottom attached tower crane base steel plinth outer together is lifted using tower crane The top of attached tower crane base steel plinth outside twice above is arrived, and is reinstalled on Core Walls Structure shear wall.Also, it is above-mentioned two intermittent Process is arranged in floor concrete casting when progress twice respectively, and this adjustment has following consideration: 1, each floorslab concrete pours Build need the time spent be 10-10 hour, thus have time enough carry out outside attached tower crane base steel plinth disassembly, lifting and peace Dress.2, when each floor concrete casting, tower crane is vacant, this case dexterously, efficiently utilize this section of tower crane vacant phase and carry out Disassembly, lifting and the installation of outer attached tower crane base steel plinth, prevent take up main structure construction tower crane uses the time, reduces tower crane climbing Influence to site operation progress can effectively improve construction efficiency to optimize construction technology, shorten the construction period.
Meanwhile this case, when pouring floorslab concrete, utilizes tower crane when bottom one of base steel plinth use is finished in time Bottom attached tower crane base steel plinth (B) outer together is temporarily stored entirely on steel drawer frame (A), can thus remove bottom in time Outer attached tower crane base steel plinth together provides the height of a tower crane climbing layer for frame structure construction more, while also providing work Industry face thus allows for frame structure construction herein, and then accelerates outline border progress, further improves construction efficiency, contracts The short construction period, achieve the benefit killed two birds with one stone.Also, bottom attached tower crane base steel plinth (B) side outer together can be with With other side Pouring concrete at the same time of floor, it was both avoided that the construction joint formed because of multiple casting concrete in this way, had exempted from Post-processing expense has been gone, and has required to reduce again " washed with mortar in this way using mortar " washing pump " due to pouring coagulation every time The number of pump ", not only reduces the consumption of mortar, and reduce the transport of mortar and subsequent dregs, processing cost, finally has Effect reduces construction cost, to achieve the benefit of killing three birds with one stone.
In addition, removing bottom attached tower crane base steel plinth outer together in time, it is not only convenient for accelerating outline border construction herein, and Also efficiently reduce the height difference between Core Walls Structure and frame structure, it is ensured that the safety of structure construction is achieved and four obtained at one stroke Benefit.
In conclusion the adjustment of this case turnover method, when seeming simple, but being effectively utilized floor concrete casting twice The vacant phase of tower crane, and carry out respectively within this vacant phase twice the disassembly of bottom one of tower crane base steel plinth, interim storage and Lifting and installation, can and so on complete the turnover of attached tower crane base steel plinth outside three, and effectively increase construction efficiency, shorten Construction period, construction cost is reduced, and reliably ensure the safety of structure construction, achieved many things at one stroke, there is reality outstanding Matter feature, and achieve significant technological progress.
As preferred design, the steel stand (2) includes 4 truss structures, and the two root posts (4) of every truss structure are arranged side by side, It is fixedly connected by singletree (5) with hound (6) between this two root posts;Truss described in 4 Pin is arranged side by side, the purlin adjacent two Pin It is fixedly connected between the column (4) of frame by connecting rod (7).
Using the above structure, the structural strength of steel stand (2) is big, has enough structural strengths.
It is fixed below each steel stand (2) to be supported by steel stand basis (8), the steel stand base as preferred design Plinth includes bearing beam (9) and basic stand column built-in fitting (11), in which: the bearing beam (9) is installed in column (4) bottom of steel stand (2) Portion, the bearing beam bottom surface are equipped with more pile foundation columns (10), and every pile foundation column (10) bottom passes through the corresponding basic stand column Built-in fitting (11) is fixedly supported on structure floor (1), and the position counter structure beam column (12) of basic stand column (10).
In said structure, the height of all basic stand columns (10) is different, but finally to guarantee that steel stand (2) are kept Horizontality, to prevent tower crane steel basic slope.
For reinforcement structure intensity, the basic stand column built-in fitting (11) is made of dowel (11a) and embedded board (11b), Wherein dowel (11a) is fixed on embedded board (11b) by way of passing through plug welding;The suspension column of the column (4), which is welded with, to be added Strength plate (13), the stiffener bottom are welded and fixed with the bearing beam (9).
Preferably, being welded with top panel (20) at the top of the steel stand (2), which serves as operating platform;Phase It is equipped with ladder bar between adjacent two columns (4), which serves as people's row ladder.Top panel (20) serves as operating platform, It can be operated on top panel (20) in order to which worker stands, and ladder bar serves as people's row ladder, it can be upper and lower for worker.
The utility model has the advantages that the adjustment of this case turnover method, when seeming simple, but being effectively utilized floor concrete casting twice The vacant phase of tower crane, and carry out respectively within this vacant phase twice the disassembly of bottom one of tower crane base steel plinth, interim storage and Lifting and installation, can and so on complete the turnover of attached tower crane base steel plinth outside three, and effectively increase construction efficiency, shorten Construction period, construction cost is reduced, and reliably ensure the safety of structure construction, achieved many things at one stroke, there is reality outstanding Matter feature, and achieve significant technological progress.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the schematic diagram of steel stand in Fig. 1.
Fig. 4 is the top view of Fig. 3.
Fig. 5 is the scheme of installation of Fig. 4.
Fig. 6 is the schematic diagram of basic stand column built-in fitting 11 in Fig. 4.
Fig. 7 is the connection schematic diagram of Fig. 5 central post 4 and bearing beam 9.
Fig. 8 is the top view of Fig. 7.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
As shown in figures 1-8, attached tower crane base steel plinth turnover method outside a kind of super high-rise building, it is characterised in that including walking as follows It is rapid:
Step a: designing a steel drawer frame, and steel drawer frame A is for the bottom attached tower crane base steel outer together of interim global storage Plinth B, the steel drawer frame are fixed on structure floor 1.Steel drawer frame A includes steel stand 2, and wherein 2 number of steel stand is 3, this 3 steel Stand 2 is arranged side by side.It is fixedly connected between adjacent 2 steel stands 2 by one group of crossbeam 3, and between adjacent 2 steel stands 2 Bottom attached tower crane base steel plinth B outer together is supported on crossbeam 3.
Steel stand 2 includes 4 truss structures, and the two root posts 4 of every truss structure are arranged side by side, and passes through cross between this two root posts 4 Strut 5 is fixedly connected with hound 6.In the present case, singletree 5 is arranged side by side above and below, is arranged between adjacent two singletrees 5 A piece hound 6.4 truss structures are arranged side by side, and are fixedly connected between the column 4 of adjacent two truss structure by connecting rod 7, fixation side Formula is welding.Fixation is supported by steel stand basis 8 below each steel stand 2, which includes that bearing beam 9 and basis are vertical Column built-in fitting 11, in which: bearing beam 9 is installed in the bottom of the column 4 of steel stand 2, and the bottom surface of the bearing beam 9 is equipped with more pile foundation columns 10.Every 10 bottom of pile foundation column is fixedly supported on structure floor 1 by corresponding basic stand column built-in fitting 11, and basis is vertical The position counter structure beam column 12 of column 10.
As shown in figures 1-8, basic stand column built-in fitting 11 is made of dowel 11a and embedded board 11b, and wherein dowel 11a passes through Mode across plug welding is fixed on embedded board 11b.The suspension column of column 4 is welded with stiffener 13, the stiffener bottom and bearing beam 9 It is welded and fixed.The top of steel stand 2 is welded with horizontally disposed top panel 20, which serves as operating platform.Adjacent two Ladder bar is equipped between column 4, which serves as people's row ladder.
Step b: after tower crane completion is climbed, expose bottom attached tower crane base steel plinth B outer together, then pouring build floor coagulation When native, bottom attached tower crane base steel plinth B outer together is played using tower crane, and by worker by bottom attached tower crane base steel plinth outer together It is removed from Core Walls Structure shear wall, after bottom attached tower crane base steel plinth B outer together is removed, steel drawer is integrally hung by tower crane On frame A, and on the crossbeam 3 being supported between adjacent 2 steel stands 2.
Step c: it before tower crane is climbed next time, when selection pours floorslab concrete, recycles on tower crane lifting steel drawer frame A The bottom road attached tower crane base steel plinth B, Bing Jiangzhe outer together outside attached tower crane base steel plinth be lifted into twice steel on Core Walls Structure shear wall Tower crane base steel plinth attached outside this road, is finally fixed on Core Walls Structure shear wall, thus attached tower crane steel outside the road Shi Zhe by the top on basis Basis becomes topmost outer attached tower crane base steel plinth together, and original intermediate attached tower crane base steel plinth outer together becomes bottom one Attached tower crane base steel plinth outside road, originally uppermost attached tower crane base steel plinth outer together becomes intermediate attached tower crane base steel plinth outer together.
Step d: circulation step b-c, the turnover of attached tower crane base steel plinth outside super high-rise building three can be completed.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not limitation with the present invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (5)

1. attached tower crane base steel plinth turnover method outside a kind of super high-rise building, it is characterised in that include the following steps:
Step a: designing a steel drawer frame, and the steel drawer frame (A) is for the bottom attached tower crane base steel plinth outer together of interim global storage (B), which is fixed on structure floor (1);The steel drawer frame (A) includes steel stand (2), wherein steel stand (2) number It is 3, this 3 steel stands (2) are arranged side by side;It is fixedly connected between adjacent 2 steel stands (2) by one group of crossbeam (3), And bottom attached tower crane base steel plinth (B) outer together is supported on the crossbeam (3) between adjacent 2 steel stands (2);
Step b: after tower crane completion is climbed, expose bottom attached tower crane base steel plinth (B) outer together, then pouring floorslab concrete When, bottom attached tower crane base steel plinth (B) outer together is played using tower crane, and by worker by bottom attached tower crane base steel plinth outer together It is removed from Core Walls Structure shear wall, after bottom attached tower crane base steel plinth (B) outer together is removed, institute is integrally hung by tower crane On the crossbeam (3) stated on steel drawer frame (A), and be supported between adjacent 2 steel stands (2);
Step c: it before tower crane is climbed next time, when selection pours floorslab concrete, recycles in tower crane lifting steel drawer frame (A) Bottom attached tower crane base steel plinth (B) outer together, attached tower crane base steel plinth is lifted into twice steel on Core Walls Structure shear wall outside the road Bing Jiangzhe Tower crane base steel plinth attached outside this road, is finally fixed on Core Walls Structure shear wall, thus attached tower crane steel outside the road Shi Zhe by the top on basis Basis becomes topmost outer attached tower crane base steel plinth together, and original intermediate attached tower crane base steel plinth outer together becomes bottom one Attached tower crane base steel plinth outside road;
Step d: circulation step b-c, the turnover of attached tower crane base steel plinth outside super high-rise building can be completed.
2. attached tower crane base steel plinth turnover method outside super high-rise building according to claim 1, it is characterised in that: the steel is vertical Frame (2) includes 4 truss structures, and the two root posts (4) of every truss structure are arranged side by side, between this two root posts by singletree (5) and Hound (6) is fixedly connected;Truss described in 4 Pin is arranged side by side, and passes through connecting rod (7) between the column (4) of adjacent two truss structure It is fixedly connected.
3. attached tower crane base steel plinth turnover method outside super high-rise building according to claim 2, it is characterised in that: each described Fixed below steel stand (2) to be supported by steel stand basis (8), which includes bearing beam (9) and basic stand column built-in fitting (11), in which: the bearing beam (9) is installed in column (4) bottom of steel stand (2), which is equipped with more pile foundation columns (10), every pile foundation column (10) bottom is fixedly supported on structure floor by the corresponding basic stand column built-in fitting (11) (1) on, and the position counter structure beam column (12) of basic stand column (10).
4. attached tower crane base steel plinth turnover method outside super high-rise building according to claim 3, it is characterised in that: the basis Column built-in fitting (11) is made of dowel (11a) and embedded board (11b), and wherein dowel (11a) is consolidated by way of passing through plug welding It is scheduled on embedded board (11b);The suspension column of the column (4) is welded with stiffener (13), the stiffener bottom and the bearing beam (9) It is welded and fixed.
5. attached tower crane base steel plinth turnover method outside super high-rise building according to claim 2, it is characterised in that: the steel is vertical Top panel (20) are welded at the top of frame (2), which serves as operating platform.
CN201810971725.3A 2018-08-24 2018-08-24 Attached tower crane base steel plinth turnover method outside super high-rise building Active CN108946522B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009184756A (en) * 2008-02-04 2009-08-20 Takenaka Komuten Co Ltd Tower crane support structure and building method thereof
JP2015054738A (en) * 2013-09-10 2015-03-23 三井住友建設株式会社 Tower crane support structure and tower crane device
CN104652813A (en) * 2015-01-30 2015-05-27 上海绿地建设(集团)有限公司 Tower crane construction technology used for super high-rise building steel structure
CN105649334A (en) * 2016-01-28 2016-06-08 合肥建工集团有限公司 Concrete shear wall tower crane wall-attachment construction method and device thereof
CN106049679A (en) * 2016-07-07 2016-10-26 中建二局第三建筑工程有限公司 Super high-rise steel reinforced concrete framework core barrel structural system and construction method
CN206971692U (en) * 2017-07-13 2018-02-06 中国建筑第八工程局有限公司 The mounting platform of tower crane

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009184756A (en) * 2008-02-04 2009-08-20 Takenaka Komuten Co Ltd Tower crane support structure and building method thereof
JP2015054738A (en) * 2013-09-10 2015-03-23 三井住友建設株式会社 Tower crane support structure and tower crane device
CN104652813A (en) * 2015-01-30 2015-05-27 上海绿地建设(集团)有限公司 Tower crane construction technology used for super high-rise building steel structure
CN105649334A (en) * 2016-01-28 2016-06-08 合肥建工集团有限公司 Concrete shear wall tower crane wall-attachment construction method and device thereof
CN106049679A (en) * 2016-07-07 2016-10-26 中建二局第三建筑工程有限公司 Super high-rise steel reinforced concrete framework core barrel structural system and construction method
CN206971692U (en) * 2017-07-13 2018-02-06 中国建筑第八工程局有限公司 The mounting platform of tower crane

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