CN106088132A - Armored concrete M shape tower crane and construction method thereof - Google Patents
Armored concrete M shape tower crane and construction method thereof Download PDFInfo
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- CN106088132A CN106088132A CN201610421768.5A CN201610421768A CN106088132A CN 106088132 A CN106088132 A CN 106088132A CN 201610421768 A CN201610421768 A CN 201610421768A CN 106088132 A CN106088132 A CN 106088132A
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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
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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Abstract
The invention discloses a kind of armored concrete M shape tower crane and construction method, wherein tower crane includes: construct the tower crane cushion cap of surface in existing structure center trestle；Being arranged in described tower crane cushion cap and extend the dark beam of M shape of described tower crane cushion cap, Vierendeel girder and the secondary beam drawknot of the dark beam of described M shape and side of described frame column week are fixed；And it is embedded in the tower crane suspension column in described tower crane cushion cap.Construction method includes: frame column and Vierendeel girder location, cover to reinforcement cut, the implantation of tension rib on frame column and secondary beam, tower crane cushion cap and rice word intersect dark beam binding reinforcing bars and template is set up and concreting.So, utilize frame column to replace the stake of tradition tower crane, then strengthened bearing capacity and resist collapse, the ability of resistant to tipping of whole tower crane structure by the dark beam of M shape fixing with the Vierendeel girder of frame column week side and secondary beam drawknot.
Description
Technical field
The present invention relates to the realm of building construction, be specifically related to a kind of armored concrete M shape tower crane and construction party thereof
Method.
Background technology
Along with the fast development of society, the force structures such as construction projects gets more and more, traditional pile foundation can not be suitable for,
And the tower crane requisite vertical transport crane gear that is project construction.Therefore, whether the design being seated tower crane closes
Reason is reliable, has both been related to the safety of existing structure self, and can be related to again production work be smoothed out safely.
Nowadays above-mentioned construction projects is common in the City Rail Transit System that cities in China is built.In due to
State has become as the Construction of Urban Rail Traffic market of maximum-norm in the world, it is contemplated that built 96 lines before and after 2015, builds
If circuit overall length is more than 2500km, gross investment is more than 1 trillion yuan.Therefore, upper cover exploitation in track traffic parking lot has become inevitable
Trend, the comprehensive development and utilization of Subway Stop field upper cover, while carrying out urban land saving utilization, improves the most dull
Workshop image, meet the thinking of development building amphitypy society, be the only way of track parking field, future city exploitation.
Subway upper cover adds the construction of building, if using the tower crane of traditional stake and cushion cap, engineering cost will be big
Big raising, the pile foundation construction of next-door neighbour's subway will have influence on the safety of Subway Facilities and metro operation.
Summary of the invention
A technical problem to be solved by this invention is that instead of the structure of traditional stake and cushion cap, uses and directly constructs
Tower crane cushion cap directly over existing structure center trestle and with the M shape of Vierendeel girder and secondary beam drawknot dark beam as tower crane
Basis.
Another technical problem to be solved by this invention is to provide a kind of structure replacing traditional stake and cushion cap, uses
Directly construct the tower crane cushion cap directly over existing structure center trestle and dark with the M shape of Vierendeel girder and secondary beam drawknot
Beam is as the construction method of tower crane.
Wherein armored concrete M shape tower crane, including:
The dark beam of tower crane cushion cap, M shape and tower crane suspension column；
Described tower crane cushion cap is constructed in the surface of existing structure center trestle；
The dark beam of described M shape be arranged in described tower crane cushion cap and extend described tower crane cushion cap with institute
Vierendeel girder and the secondary beam drawknot of stating the side of frame column week described in existing structure are fixed, and described Vierendeel girder is positioned at described frame column top week
Side, described secondary beam connects with described Vierendeel girder cross；
Described tower crane suspension column is embedded in described tower crane cushion cap.
Further, eight beam section of the dark beam of described M shape are symmetrically arranged in all sides of described frame column.
Further, the dark beam of described M shape includes the beam section that four decussations are arranged, and described four beam section are along described
Frame column week, four described Vierendeel girders of side extended.
Further, the dark beam of described M shape is connected with between described Vierendeel girder and described secondary beam the described framework of pre-implantation
Tension rib in beam and described secondary beam.
Further, described tower crane cushion cap uses double-layer double-direction reinforcing bar, is provided with quincunx cloth between gluten and end muscle
The single hoop put；Be laid with extremity hoop between top muscle and the bottom muscle of the dark beam of described M shape, described tower crane cushion cap and
The dark beam of described M shape waters and builds up an entirety.
Further, side of described frame column week has the first Vierendeel girder being oppositely arranged and the 3rd Vierendeel girder, is oppositely arranged
The second Vierendeel girder and the 4th Vierendeel girder and described secondary beam, described first Vierendeel girder and described 3rd Vierendeel girder higher than described the
Two Vierendeel girders, described 4th Vierendeel girder and described secondary beam；The dark beam of described M shape includes the beam section that four decussations are arranged, its
In two beam section being oppositely arranged construct in described first Vierendeel girder and the end face of the second Vierendeel girder, other two are oppositely arranged
Being provided for the connection post that drawknot is fixing between beam section and described second Vierendeel girder and described 4th Vierendeel girder, described M shape is dark
Four beam section of remaining of beam be distributed between the corner of the beam section that described four decussations are arranged and and described secondary beam between set
Put the connection post fixed for drawknot.
The wherein construction method of armored concrete M shape tower crane, comprises the following steps:
The frame column constructing armored concrete M shape tower crane in existing structure in advance is positioned, and to described frame
The bearing capacity of trestle and the Vierendeel girder of side of described frame column week and secondary beam is verified；
Cut tower crane cushion cap and rice word with described armored concrete M shape tower crane on described existing structure
The dark beam of shape is connected the cover to reinforcement in region；
Bar planting work is carried out on the described Vierendeel girder having cut cover to reinforcement and described secondary beam；
Carry out described tower crane cushion cap and the binding reinforcing bars of the dark beam of described M shape and template erection construction, by described tower
The steel bar framework hanging foundation platform is arranged on the surface of described frame column；
Pour described tower crane cushion cap and the dark beam of described M shape, and tower crane suspension column is watered with described tower crane cushion cap
Build together.
Further, the steel bar framework of eight beam section of dark for described M shape beam is symmetrically arranged in the week of described frame column
Side, and the steel bar framework of four beam section arranged by decussation in described eight beam section is along four institutes of side of described frame column week
State Vierendeel girder to arrange.
Further, described bar planting work includes: prior to beam dark with described M shape on described Vierendeel girder and described secondary beam
Drawknot position boring, reinject anchoring adhesive, finally implant tension rib.
Further, side of described frame column week has the first Vierendeel girder being oppositely arranged and the 3rd Vierendeel girder, is oppositely arranged
The second Vierendeel girder and the 4th Vierendeel girder and described secondary beam, described first Vierendeel girder and described 3rd Vierendeel girder higher than described the
Two Vierendeel girders, described 4th Vierendeel girder and described secondary beam；The dark beam of described M shape includes the beam section that four decussations are arranged, will
Wherein two beam section being oppositely arranged are constructed in described first Vierendeel girder and the end face of the second Vierendeel girder, relatively set at other two
The connection post fixed for drawknot, described rice word is constructed between beam section and described second Vierendeel girder and described 4th Vierendeel girder put
Four beam section of remaining of the dark beam of shape be distributed between the corner of the beam section that described four decussations are arranged and with described secondary beam it
Between construct for the fixing connection post of drawknot.
Use the method have the advantages that of technique scheme
Tower crane cushion cap is directly constructed directly over the frame column in existing structure, utilizes frame column to replace tradition tower crane
The stake on basis, it is to avoid destroy original structure owing to arranging the specific stub of tower crane in existing structure, to cause unnecessary
Potential safety hazard；And the dark beam of M shape coordinating the Vierendeel girder with frame column week side and secondary beam drawknot to fix strengthens total
Bearing capacity, make tower crane load jointly be shared by the Vierendeel girder of frame column He its surrounding, make the reliability of this tower crane enter one
Step improves.
Accompanying drawing explanation
Fig. 1 is the structural representation of first embodiment of armored concrete M shape tower crane of the present invention.
Fig. 2 is that first embodiment of armored concrete M shape tower crane of the present invention is along the existing structure center side of setting a roof beam in place
To sectional view.
Fig. 3 be armored concrete M shape tower crane of the present invention first embodiment in the view of bar planting.
Fig. 4 is the structural representation of second embodiment of armored concrete M shape tower crane of the present invention.
Fig. 5 is that second embodiment of armored concrete M shape tower crane of the present invention is along the existing structure center side of setting a roof beam in place
To sectional view.
Fig. 6 be armored concrete M shape tower crane of the present invention second embodiment in the view of bar planting.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, and make technical solution of the present invention
Above-mentioned purpose, feature and advantage can become apparent from understandable, and the present invention is further detailed explanation below in conjunction with the accompanying drawings.
First embodiment of armored concrete M shape tower crane of the present invention is illustrated referring to figs. 1 to Fig. 3, Fig. 1
Structural representation, Fig. 2 illustrates first embodiment of armored concrete M shape tower crane of the present invention along existing structure
The sectional view in Vierendeel girder direction, Fig. 3 illustrates in first embodiment of armored concrete M shape tower crane of the present invention and plants
The view of muscle.From upper figure, armored concrete rice font tower crane of the present invention mainly by tower crane cushion cap 20,
The dark beam of M shape 10 and tower crane suspension column 60 are constituted；Tower crane suspension column 60 is for connecting the tower crane body 40 of top；Xoncrete structure
Tower crane cushion cap 20 and the dark beam of M shape 10 as the brace foundation of tower crane body 40, to prevent from whole tower crane from occurring subsiding,
The accident such as tumble.
Firstly, it is necessary to explanation is that the existing structure 30 in the present invention includes frame column 31, Vierendeel girder 32 and secondary beam 33, its
Center is set a roof beam in place the 32 all sides being positioned at frame column 31 top, and secondary beam 33 connects with Vierendeel girder 32 cross.Specifically, xoncrete structure
Tower crane cushion cap 20 and the dark beam of M shape 10 be built into an entirety；Wherein tower crane cushion cap 20 is constructed in existing structure
30 end faces and be positioned at the surface of existing structure 30 center trestle 31, the dark beam of M shape 10 be arranged in tower crane cushion cap 20 and
Extending tower crane cushion cap 20, also construct in existing structure 30 end face simultaneously, especially, the dark beam of M shape 10 is gone back and frame column
Vierendeel girder 32 and secondary beam 33 drawknot of 31 weeks sides are fixed.And tower crane suspension column 30 is embedded in tower crane cushion cap 20, and have
Protrude from the canned paragraph for connecting tower crane body 40 of tower crane cushion cap 20 end face.So, with the frame in existing structure 30
Trestle 31 replaces the stake in traditional stake and suspended deck structure, it is to avoid cause existing structure 30 because constructing extra support stake
Unnecessary potential safety hazard；Vierendeel girder 32 and secondary beam 33 drawknot of 31 weeks sides of the dark beam of M shape 10 and frame column are fixed, and improve
The bearing capacity of this armored concrete rice font tower crane and stability, and avoid whole tower crane to occur subsiding, tumbling further
Fortuitous event.
As one preferred embodiment, eight beam section of the dark beam of M shape 10 are symmetrically arranged in the week of frame column 31
Side；It is positioned at tower owing to tower crane cushion cap 20 is positioned at the cross point of each beam section of the dark beam in the surface of frame column 31, i.e. M shape 10
Hang the center of foundation platform 20.Technique scheme is used to make present embodiment armored concrete rice font tower crane have
There is more preferable stability, it is to avoid the weak spot of structure occurs in a direction of the dark beam of M shape 10.
As one preferred embodiment, referring again to Fig. 2 and Fig. 3, the dark beam of M shape 10 has in figs. 2 and 3
Eight beam section, four beam section that wherein decussation is arranged extend along four Vierendeel girders 32 of 31 weeks sides of frame column respectively, make this
Four beam section are all constructed in the surface of Vierendeel girder 32, and be connected the drawknot having in pre-implantation Vierendeel girder 32 between Vierendeel girder 32
Muscle 50；Other four beam section are distributed between the corner of the beam section that above-mentioned four decussations are arranged and ride upon on secondary beam 33,
It is connected, between this four beam section and secondary beam 33, the tension rib 50 having in pre-implantation secondary beam 33.Tension rib 50 strengthens present embodiment
Connectivity robustness between armored concrete rice font tower crane and existing structure 30 and globality so that it is have the most anti-
Roll-over action.
In first embodiment, refer again to Fig. 1 to Fig. 3, construct the present embodiment armored concrete rice font tower crane in advance
The end face of existing structure 30 on basis is smooth, in figure 3 31 weeks sides of frame column Vierendeel girder 32 specially the first Vierendeel girder 321,
Second Vierendeel girder the 322, the 3rd Vierendeel girder 323 and the 4th Vierendeel girder 324.Now, in the dark beam of M shape 10, four decussations set
Put beam section and be the most directly cast in the first Vierendeel girder the 321, second Vierendeel girder the 322, the 3rd Vierendeel girder 323 and the 4th Vierendeel girder 324
End face, and fixed by multiple rows of tension rib 50 drawknot being implanted on Vierendeel girder 32 in advance with Vierendeel girder 32；And other four beam section
Be cast on existing structure 30 and and secondary beam 33 between fixed by multiple rows of tension rib drawknot of being implanted on secondary beam 33 in advance.Additionally,
In present embodiment, tower crane cushion cap 20 uses double-layer double-direction reinforcing bar, is provided with single limb of quincuncial arrangement between gluten and end muscle
Hoop, is laid with extremity hoop, tower crane cushion cap 20 and the dark beam of M shape 10 between top muscle and the bottom muscle of the dark beam of M shape 10
Water and build up an overall structure.
In the second embodiment, armored concrete M shape tower crane of the present invention is illustrated with reference to Fig. 4 to Fig. 6, Fig. 4
The structural representation of second embodiment, Fig. 5 illustrates second reality of armored concrete M shape tower crane of the present invention
Executing example to set a roof beam in place along existing structure center the sectional view in direction, Fig. 6 illustrates armored concrete M shape tower crane of the present invention
The view of bar planting in second embodiment.First, it will be appreciated from fig. 6 that 31 weeks sides of frame column have first be oppositely arranged
Vierendeel girder 321 and the 3rd Vierendeel girder 323, the second Vierendeel girder 322 being oppositely arranged and the 4th Vierendeel girder 324 and secondary beam 33,
One Vierendeel girder 321 and the 3rd Vierendeel girder 323 are higher than the second Vierendeel girder the 322, the 4th Vierendeel girder 324 and secondary beam 33.Again by Fig. 5 and Tu
6 understand, and have the beam section that four decussations are arranged in the dark beam of M shape 10, and wherein two beam section being oppositely arranged directly pour
At the first Vierendeel girder 321 and the 3rd Vierendeel girder 323 end face, other two beam section being oppositely arranged and the second Vierendeel girder 322 and the
Fixed by connection post 11 drawknot between four Vierendeel girders 324；In the dark beam of M shape 10, other four beam section are cast in existing structure
Top and fixing also by being connected post 11 drawknot with between secondary beam 33；Connect post 11 for be furnished with pre-implantation the second Vierendeel girder 322 or
The concrete post of the tension rib 50 in the 4th Vierendeel girder 324 or secondary beam.In present embodiment, tower crane cushion cap 20 is also adopted by double-deck double
To being provided with the single hoop of quincuncial arrangement between reinforcing bar, gluten and end muscle, cloth between top muscle and the bottom muscle of the dark beam of M shape
It is provided with extremity hoop, tower crane cushion cap 20 and the dark beam of M shape 10 to water and build up an overall structure.
The construction method of armored concrete rice font tower crane of the present invention comprises the following steps:
Step 1: the frame column 31 constructing armored concrete M shape tower crane in existing structure 30 in advance is positioned,
And the bearing capacity of frame column 31 and the Vierendeel girder 32 of 31 weeks sides of frame column and secondary beam 33 is verified；
Step 2: cut tower crane cushion cap 20 and rice with armored concrete M shape tower crane on existing structure 30
The dark beam of font 10 is connected the cover to reinforcement in region；
Step 3: carry out bar planting work on the Vierendeel girder 32 having cut cover to reinforcement and secondary beam 33；
Step 4: carry out tower crane cushion cap 20 and the binding reinforcing bars of the dark beam of M shape 10 and template erection construction, by tower crane
The steel bar framework of foundation platform 20 is arranged on the surface of frame column 31；
Step 5: pour tower crane cushion cap 20 and the dark beam of M shape 10, and by tower crane suspension column 60 and tower crane cushion cap 20
It is cast in together.
Specifically, after having poured due to existing structure, it is difficult to go out the accurate position of frame beam column 31 with naked eyes Direct Recognition
Put, therefore reserve the relative position relation of structures to constructing armored concrete in advance by total powerstation the scene that combines in step 1
The frame column 31 of rice font tower crane positions.To be positioned complete after, need frame column 31, Vierendeel girder 32 and secondary beam 33
Stress check, with determine construction this armored concrete rice font tower crane feasibility.
In step 2, by the frame column 31 oriented through total powerstation, Vierendeel girder 32 and secondary beam 33 with armored concrete rice
The cover to reinforcement of font tower crane overlapping region cuts, the step on the one hand for guaranteeing step 1 center trestle 31
Position absolutely accurate, be on the other hand that the bar planting facilitating next step operation works.
In step 3, the bar planting work of Vierendeel girder 32 and secondary beam 33 is carried out, prior to step 2 has cut cover to reinforcement
Vierendeel girder 32 and secondary beam 33 on get out appropriate number of bar planting hole, the position of boring according to design requirement determine, for clearance complete
Injecting anchoring adhesive behind bar planting hole, be inserted into tension rib, after anchoring adhesive solidifies, tension rib is bonding with Vierendeel girder 32 and secondary beam 33
It is integrated.
In step 4, tower crane cushion cap 20 and the binding reinforcing bars of the dark beam of M shape 10 and template erection construction are carried out；Will
The steel bar framework of described tower crane cushion cap 20 is arranged on the surface of described frame column 31.More specifically, tower crane holds
Platform 20 uses double-layer double-direction reinforcing bar, is provided with the single hoop of quincuncial arrangement between gluten and end muscle；The top of the dark beam of M shape 10
Extremity hoop it is laid with between muscle and bottom muscle.
In steps of 5, tower crane cushion cap 20 and the concrete of the dark beam of M shape 10 are poured, by the drawknot of tension rib 50
Act on the cohesive force of concrete armored concrete rice font tower crane is firmly attached into existing structure 30 one whole
Body.
In sum, armored concrete rice font tower crane of the present invention is just directly constructing the frame column in existing structure
Top, utilizes frame column to replace the stake of tradition tower crane, it is to avoid owing to arranging the special of tower crane in existing structure
Stake and cause unnecessary potential safety hazard；And the dark beam of M shape that combination is fixing with the Vierendeel girder of frame column week side and secondary beam drawknot
Improve the bearing capacity of total further, make tower crane load jointly be shared by the Vierendeel girder of frame column He its surrounding, and increase
The resist collapse of strong total and resistant to tipping ability, make the reliability of this tower crane improve further.
Being described in detail the present invention above in association with drawings and the embodiments, those skilled in the art can root
According to described above, the present invention made many variations example.Thus, some details in embodiment should not be constituted the present invention's
Limit, the present invention by the scope that defines using appended claims as protection scope of the present invention.
Claims (10)
1. an armored concrete M shape tower crane, it is characterised in that including: the dark beam of tower crane cushion cap, M shape and
Tower crane suspension column；
Described tower crane cushion cap is constructed in the surface of existing structure center trestle；
The dark beam of described M shape be arranged in described tower crane cushion cap and extend described tower crane cushion cap with described both
The Vierendeel girder and the secondary beam drawknot that have the side of frame column week described in structure are fixed, and described Vierendeel girder is positioned at described frame column top week
Side, described secondary beam connects with described Vierendeel girder cross；
Described tower crane suspension column is embedded in described tower crane cushion cap.
Armored concrete M shape tower crane the most according to claim 1, it is characterised in that the dark beam of described M shape
Eight beam section are symmetrically arranged in all sides of described frame column.
Armored concrete M shape tower crane the most according to claim 1, it is characterised in that the dark Liang Bao of described M shape
Including the beam section that four decussations are arranged, described four beam section extend along four described Vierendeel girders of side of described frame column week.
Armored concrete M shape tower crane the most according to claim 3, it is characterised in that the dark beam of described M shape with
Connect between described Vierendeel girder and described secondary beam and have the tension rib in the described Vierendeel girder of pre-implantation and described secondary beam.
Armored concrete M shape tower crane the most according to claim 1, it is characterised in that described tower crane cushion cap
Use double-layer double-direction reinforcing bar, between gluten and end muscle, be provided with the single hoop of quincuncial arrangement；The top muscle of the dark beam of described M shape
And be laid with extremity hoop, described tower crane cushion cap and the dark beam of described M shape between the muscle of bottom and water and build up an entirety.
Armored concrete M shape tower crane the most according to claim 1, it is characterised in that described frame column week side tool
There are the first Vierendeel girder being oppositely arranged and the 3rd Vierendeel girder, the second Vierendeel girder being oppositely arranged and the 4th Vierendeel girder and described time
Beam, described first Vierendeel girder and described 3rd Vierendeel girder are higher than described second Vierendeel girder, described 4th Vierendeel girder and described secondary beam；
The dark beam of described M shape includes the beam section that four decussations are arranged, and wherein two beam section being oppositely arranged are constructed in described first
Vierendeel girder and the end face of the second Vierendeel girder, other two beam section being oppositely arranged and described second Vierendeel girder and described 4th framework
Being provided for the connection post that drawknot is fixing between beam, four beam section of remaining of the dark beam of described M shape are distributed in described four crosses
Between the corner of beam section arranged in a crossed manner and and described secondary beam between be provided for the connection post that drawknot is fixing.
7. a construction method for armored concrete M shape tower crane according to any one of claim 1 to 6, its feature exists
In, comprise the following steps:
The frame column constructing armored concrete M shape tower crane in existing structure in advance is positioned, and to described frame column
And the bearing capacity of the Vierendeel girder of side of described frame column week and secondary beam verifies；
Cut on described existing structure dark with the tower crane cushion cap of described armored concrete M shape tower crane and M shape
Beam is connected the cover to reinforcement in region；
Bar planting work is carried out on the described Vierendeel girder having cut cover to reinforcement and described secondary beam；
Carry out described tower crane cushion cap and the binding reinforcing bars of the dark beam of described M shape and template erection construction, by described tower crane base
The steel bar framework of plinth cushion cap is arranged on the surface of described frame column；
Pour described tower crane cushion cap and the dark beam of described M shape, and tower crane suspension column is cast in described tower crane cushion cap
Together.
Construction method the most according to claim 7, it is characterised in that by the reinforcing bar of eight beam section of dark for described M shape beam
Framework is symmetrically arranged in all sides of described frame column, and the reinforcing bar of four beam section arranged by decussation in described eight beam section
Framework is arranged along four described Vierendeel girders of side of described frame column week.
Construction method the most according to claim 7, it is characterised in that described bar planting work includes: prior to described Vierendeel girder
The drawknot position boring of beam dark with described M shape, reinjects anchoring adhesive, finally implants tension rib with on described secondary beam.
Construction method the most according to claim 7, it is characterised in that described frame column week side there is be oppositely arranged
One Vierendeel girder and the 3rd Vierendeel girder, the second Vierendeel girder being oppositely arranged and the 4th Vierendeel girder and described secondary beam, described first frame
Set a roof beam in place and described 3rd Vierendeel girder is higher than described second Vierendeel girder, described 4th Vierendeel girder and described secondary beam；Described M shape is dark
Beam includes the beam section that four decussations are arranged, and wherein two beam section being oppositely arranged is constructed in described first Vierendeel girder and the
The end face of two Vierendeel girders, structure between other two beam section being oppositely arranged and described second Vierendeel girder and described 4th Vierendeel girder
Building the connection post fixed for drawknot, four beam section of remaining of the dark beam of described M shape are distributed in described four decussations and arrange
Beam section corner between and and described secondary beam between construct for the fixing connection post of drawknot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610421768.5A CN106088132A (en) | 2016-06-15 | 2016-06-15 | Armored concrete M shape tower crane and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610421768.5A CN106088132A (en) | 2016-06-15 | 2016-06-15 | Armored concrete M shape tower crane and construction method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759434A (en) * | 2016-12-05 | 2017-05-31 | 中国航空规划设计研究总院有限公司 | A kind of groined type precast concrete king-post basis and its construction method |
| CN109577359A (en) * | 2018-11-24 | 2019-04-05 | 武汉建工集团股份有限公司 | A kind of stepped tower crane and construction method |
| CN112900473A (en) * | 2021-01-26 | 2021-06-04 | 东莞职业技术学院 | Tower crane foundation reinforcing method, electronic equipment and computer readable storage medium |
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| CN106759434A (en) * | 2016-12-05 | 2017-05-31 | 中国航空规划设计研究总院有限公司 | A kind of groined type precast concrete king-post basis and its construction method |
| CN109577359A (en) * | 2018-11-24 | 2019-04-05 | 武汉建工集团股份有限公司 | A kind of stepped tower crane and construction method |
| CN109577359B (en) * | 2018-11-24 | 2024-03-19 | 武汉建工集团股份有限公司 | Stepped tower crane foundation and construction method |
| CN112900473A (en) * | 2021-01-26 | 2021-06-04 | 东莞职业技术学院 | Tower crane foundation reinforcing method, electronic equipment and computer readable storage medium |
| CN112900473B (en) * | 2021-01-26 | 2022-05-10 | 东莞职业技术学院 | Tower crane foundation reinforcing method, electronic equipment and computer readable storage medium |
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Application publication date: 20161109 |