CN107419740A - Embrace beam type tower crane steel cushion cap and its construction method - Google Patents
Embrace beam type tower crane steel cushion cap and its construction method Download PDFInfo
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- CN107419740A CN107419740A CN201710303428.7A CN201710303428A CN107419740A CN 107419740 A CN107419740 A CN 107419740A CN 201710303428 A CN201710303428 A CN 201710303428A CN 107419740 A CN107419740 A CN 107419740A
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- cushion cap
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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
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
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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
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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Abstract
The present invention relates to one kind to embrace beam type tower crane steel cushion cap and construction method, and the steel cushion cap includes：It is installed on and embraces girder construction on the Vierendeel girder of existing structure and at the bean column node of the Vierendeel girder and frame column, described armful of girder construction through positioned at the part of the Vierendeel girder both sides and being fixedly clamped in the Vierendeel girder on floor, and described armful of girder construction in the top of the Vierendeel girder formed with mounting surface；And it is mounted on the basic steel cushion cap on the mounting surface.Girder construction is embraced in installation on Vierendeel girder; basic steel cushion cap is carried using girder construction is embraced; this armful of girder construction forms stable stress entirety together with being embraced with Vierendeel girder; basic steel cushion cap can be improved with embracing the resistance to plucking effect of girder construction junction; embrace girder construction and form stress entirety with Vierendeel girder; it is highly resistant to the power of toppling of tower crane, it is ensured that the supporting ＆ stablizing of basic steel cushion cap, ensure that the safe to use of tower crane.
Description
Technical field
The present invention relates to the construction field of tower crane cushion cap, refers in particular to a kind of armful of beam type tower crane steel cushion cap and its construction
Method.
Background technology
Tower crane is a kind of crane gear the most frequently used in architectural engineering, to ensure the safe to use of tower crane, at the construction field (site)
When tower crane is installed, the tower crane cushion cap of generally use concrete structure.Specifically, 4 first are squeezed into the installed position of tower crane
Pile foundation stake, lattice column is plugged in foundation pile, then with concrete cushion cap of being constructed on lattice column, tower crane is installed to concrete cushion cap
On to carry out lifting operation.After the completion of tower crane construction, it is also necessary to remove concrete cushion cap, lattice column and part basis stake, make
It is higher into the waste of material and human resources, cost.
To avoid tower crane from needing the complicated construction flows such as tower crane stake, lattice column and concrete cushion cap of constructing when installing, in
(Application No. 2016014161266, invention and created name are armored concrete cross tower crane and its applied the first patent of state
Work method) provide a kind of armored concrete cross tower crane, its tower crane cushion cap is constructed on existing structure and
Positioned at the surface of the frame column of existing structure, the stake of traditional tower crane is replaced using frame column, avoids the need for tower of constructing
Hang the complicated construction process such as foundation pile, lattice column.But the tower crane cushion cap in the earlier patent application is still using concrete knot
Structure is, it is necessary to carry out the construction procedures such as formwork erection, concreting and form removal, and the later stage stills need to remove concrete structure, and it is present
Construct cumbersome, waste of materials and human resources, influence construction period and construction cost.
The content of the invention
The defects of it is an object of the invention to overcome prior art, there is provided one kind is embraced beam type tower crane steel cushion cap and its applied
Work method, solves existing tower crane concrete cushion cap presence construction and dismounting process step is cumbersome, waste of materials and human resources, influences
The problem of construction period and construction cost.
Realizing the technical scheme of above-mentioned purpose is：
The invention provides the construction method of a kind of armful of beam type tower crane steel cushion cap, comprise the following steps：
Girder construction is embraced in being constructed on the Vierendeel girder of existing structure at the bean column node of the Vierendeel girder and frame column, will
Described armful of girder construction is through positioned at the part of Vierendeel girder both sides and being fixedly clamped on the Vierendeel girder on floor, and described armful of beam
Structure is in the top of the Vierendeel girder formed with mounting surface；And
In installation foundation steel cushion cap on the mounting surface, by the basic steel cushion cap be placed in corresponding on mounting surface and with institute
State mounting surface to be connected, so as to complete the construction for embracing beam type tower crane steel cushion cap.
The basis that the present invention is installed using the Vierendeel girder of existing structure as tower crane, is tower crane using Vierendeel girder and frame column
Strong support is provided, avoiding traditional handicraft needs the complicated construction flows such as tower crane stake, lattice column, concrete cushion cap of constructing,
Duration and cost are saved.The present invention is more simple using basic steel cushion cap substitution concrete cushion cap, the installation and dismounting of basic steel cushion cap
Just, and steel member can reuse folk prescription, avoid the waste of material, save construction period and construction cost.It is full
The force request of the basic steel cushion cap of foot, the installation armful girder construction on Vierendeel girder, utilize and embrace the basic steel cushion cap of girder construction carrying, this armful
Together with girder construction is embraced with Vierendeel girder, stable stress entirety is formd, the gravity for the tower crane that basic steel cushion cap not only transmits, is gone back
The power of toppling of tower crane can be transmitted, power of toppling can form drawing effect, this armful of beam knot in basic steel cushion cap and an armful girder construction junction
Structure can improve basic steel cushion cap and embrace the resistance to plucking effect of girder construction junction, embrace girder construction and Vierendeel girder formation stress is overall,
It is highly resistant to the power of toppling of tower crane, it is ensured that the supporting ＆ stablizing of basic steel cushion cap, ensure that the safe to use of tower crane.
The present invention embrace beam type tower crane steel cushion cap construction method further improvement is that, construction embraces a girder construction and enters one
Step includes：
Back bearing is provided, the back bearing is placed in the top of the Vierendeel girder, the back bearing and the beam
Setpoint distance is installed with Column border node；
Beam bottom bearing is provided, by beam bottom bearing be attached at the Vierendeel girder bottom and with the back bearing phase
It is correspondingly arranged；
Tension rib is provided, the tension rib is attached to the both sides of the Vierendeel girder, and by one end of the tension rib with
Beam bottom bearing is fixedly connected, and the other end fixes company through the floor at Vierendeel girder top and with the back bearing
Connect, fasten the tension rib so that the back bearing and beam bottom bearing are fixedly clamped in the Vierendeel girder.
The present invention embrace beam type tower crane steel cushion cap construction method further improvement is that, when girder construction is embraced in construction,
Girder construction is embraced in selection construction at the right-angled intersection node of Vierendeel girder, so as to be formed and basic steel cushion cap angle by embracing girder construction
The mounting surface that portion is correspondingly arranged.
The present invention embrace beam type tower crane steel cushion cap construction method further improvement is that, pacify on the mounting surface
Basic steel cushion cap is filled, including：
Steel member is provided, the end of the steel member is placed on corresponding mounting surface and fixes company with the mounting surface
Connect；
By the end of a steel member in two adjacent steel members through another steel member end and will be adjacent
Two steel members are fixedly connected, so as to enclose basis of formation steel cushion cap by steel member.
The present invention embrace beam type tower crane steel cushion cap construction method further improvement is that, when girder construction is embraced in construction,
Described armful of girder construction is in the bottom of the Vierendeel girder formed with supporting surface；
Batter post support is provided, batter post support skewed horizontal load is connected at the supporting surface and the framework column bottom
Floor on.
Present invention also offers one kind to embrace beam type tower crane steel cushion cap, including：
It is installed on and embraces beam knot on the Vierendeel girder of existing structure and at the bean column node of the Vierendeel girder and frame column
Structure, described armful of girder construction pass through the part for being located at the Vierendeel girder both sides on floor and are fixedly clamped in the Vierendeel girder, and institute
State and embrace girder construction in the top of the Vierendeel girder formed with mounting surface；And
The basic steel cushion cap being mounted on the mounting surface.
The present invention embrace beam type tower crane steel cushion cap further improvement is that, described armful of girder construction includes being placed in the frame
Set a roof beam in place top back bearing, be attached at the beam bottom bearing of the Vierendeel girder bottom and be attached at the drawing of the Vierendeel girder both sides
Tie muscle；
The back bearing at the bean column node with being installed with setpoint distance；
The setting corresponding with the back bearing of beam bottom bearing；
One end of the tension rib is fixedly connected with beam bottom bearing, and the other end passes through the building at the top of the Vierendeel girder
Plate is simultaneously fixedly connected with the back bearing, fastens the tension rib so that the back bearing and beam bottom bearing folder
It is tightly fixed on the Vierendeel girder.
The present invention embrace beam type tower crane steel cushion cap further improvement is that, described armful of girder construction is close to the ten of Vierendeel girder
Set at word crossover node, so as to form the installation being correspondingly arranged with the basic steel cushion cap corner by described armful of girder construction
Face.
The present invention embrace beam type tower crane steel cushion cap further improvement is that, the basic steel cushion cap includes multiple steel structures
Part, the end of the steel member are placed on corresponding mounting surface and are fixedly connected with the mounting surface, adjacent two steel members
In the end of a steel member through the end of another steel member and two adjacent steel members are fixedly connected, so as to logical
Cross the steel member and enclose basis of formation steel cushion cap.
The present invention embrace beam type tower crane steel cushion cap further improvement is that, in addition to batter post support；
Described armful of girder construction is connected in the bottom of the Vierendeel girder formed with supporting surface, the batter post support skewed horizontal load
Floor at the supporting surface and the framework column bottom.
Brief description of the drawings
Fig. 1 is that the present invention embraces the structural representation that floor is eliminated in beam type tower crane steel cushion cap use state.
Fig. 2 is the top view of structure shown in Fig. 1.
Fig. 3 is the structural representation that mounting seat is eliminated in Fig. 2.
Fig. 4 is the sectional view embraced at girder construction shown in Fig. 3.
Fig. 5 is the side view that the present invention embraces the side that girder construction is embraced in beam type tower crane steel cushion cap.
Fig. 6 is the side view that the present invention embraces the opposite side that girder construction is embraced in beam type tower crane steel cushion cap.
Fig. 7 is along A1-A1 sectional view in Fig. 5.
Fig. 8 is along A2-A2 sectional view in Fig. 5.
Fig. 9 is the top surface perspective that the present invention embraces the steel member of basic steel cushion cap in beam type tower crane steel cushion cap.
Figure 10 is the side view that the present invention embraces the steel member of basic steel cushion cap in beam type tower crane steel cushion cap.
Figure 11 is the structure that the present invention embraces two steel member junctions of basic steel cushion cap in beam type tower crane steel cushion cap
Schematic diagram.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Refering to Fig. 1, the invention provides one kind to embrace beam type tower crane steel cushion cap and its construction method, utilizes existing structure
The brace foundation that the Vierendeel girder of (existing building structure) and the node of frame column are installed as tower crane, and using embrace girder construction with
Vierendeel girder is embraced together, forms more stable overall stress system, then at installation foundation steel cushion cap in girder construction is embraced, passes through base
Plinth steel cushion cap installs tower crane.The present invention, which uses, produces effective force system between mechanical installation mode and existing bean column node, keep away
Exempt to need bar planting during traditional load-carrying members vertical as tower crane cushion cap by the use of existing bean column node, bar planting drilling difficulty is big
And bar planting effect the defects of being difficult to ensure that and hidden danger.It ensure that the big machinery installation of building engineering construction scene and using process
In security.Beam type tower crane steel cushion cap is embraced to the present invention below in conjunction with the accompanying drawings and its construction method illustrates.
As depicted in figs. 1 and 2, the present invention embraces beam type tower crane steel cushion cap and includes embracing girder construction 21 and basic steel cushion cap
22, this armful of beam type tower crane steel cushion cap is installed at the Vierendeel girder 11 of existing structure 10 and the bean column node 13 of frame column 12,
Existing structure 10 is the building structure constructed, and the Vierendeel girder 11 and frame column 12 by the use of existing structure 10 are pacified as tower crane
The brace foundation of dress, traditional handicraft can be avoided to need the complicated construction flows such as tower crane stake, lattice column, concrete cushion cap of constructing,
Duration and cost are saved.Construction has floor at the top of Vierendeel girder 11 shown in Fig. 1, and girder construction 21 is embraced for ease of signal
Mounting structure thus floor is omitted, also being constructed at the top of the Vierendeel girder 11 ' of lower floor has floor, for ease of signal embrace a beam type tower
The structure for hanging basic steel cushion cap similarly omits the floor of lower floor.Frame column 12 has been installed at the interconnection of Vierendeel girder 11,
Frame column 12 is located at the interconnection of Vierendeel girder 11 and between the interconnection of Vierendeel girder 11 '.
Therein armful of girder construction 21 is arranged on Vierendeel girder 11 and set at bean column node 13, and this armful of girder construction 21 is worn
Cross on floor positioned at the part of the both sides of Vierendeel girder 11 and be fixedly clamped on Vierendeel girder 11, embrace girder construction 21 by from Vierendeel girder 11
Both sides are fixedly clamped on Vierendeel girder 11 through the floor at Vierendeel girder 11 to realize so that embrace girder construction 21 and the shape of Vierendeel girder 11
Into stable overall stress system.The top of girder construction 21 is being embraced formed with mounting surface 211；Basic steel cushion cap 22 is mounted on
On mounting surface 211, the basic steel cushion cap 22 provides installation foundation for tower crane, and tower crane is installed on basic steel cushion cap 22 and is carried out
The lifting operation of job site.
The girder construction of embracing of the present invention is fixedly clamped on Vierendeel girder so that embraces girder construction and forms overall beaer with Vierendeel girder
System, and using effective force system is produced between mechanical installation mode and existing bean column node, the stabilization of supporting construction can be ensured
Property, it is ensured that tower crane it is safe to use.Tower crane is positioned on basic steel cushion cap, is transmitted the gravity of tower crane by basic steel cushion cap and is inclined
Cover power, due to tower crane topple power presence so that basic steel cushion cap and embrace a girder construction junction can form drawing effect, Bao Liangjie
Structure bears tower crane together with Vierendeel girder and toppled the pulling capacity that power is formed, it is possible to increase basic steel cushion cap and the resistance to plucking for embracing girder construction
Effect, the power of toppling of tower crane is effective against, during further ensuring that the installation of building engineering construction scene big machinery and use
Security.
As the better embodiment of the present invention, as shown in Figures 3 to 5, embracing girder construction 21 includes being placed in Vierendeel girder 11
The back bearing 213 at top, the beam bottom bearing 214 for being attached at the bottom of Vierendeel girder 11 and the drawknot for being attached at the both sides of Vierendeel girder 11
Muscle 215, for back bearing 213 with being installed with setpoint distance at bean column node 13, beam bottom bearing 214 is corresponding with back bearing 213
Set, the one end of tension rib 215 is fixedly connected with beam bottom bearing, floor of the other end through at the top of Vierendeel girder 11 and with back branch
Seat 213 is fixedly connected, and fastening tension rib 215 is so that back bearing 213 and beam bottom bearing 214 are fixedly clamped in Vierendeel girder
11.Tension rib 215 is set through floor, and the bonding strength of tension rib 215 can be further improved by floor, is embraced so as to improve
The structural strength of girder construction 21.When girder construction 21 is embraced in installation, the set location of corresponding tension rib 215 is in the both sides of Vierendeel girder 11
Floor on drill, by tension rib 215 it is corresponding through the hole bored it is i.e. achievable through floor by the back bearing of Vierendeel girder 11
213 and beam bottom bearing 214 be fastenedly connected.Mounting surface 211 corresponding to the top formation of back bearing 213, holds in installation foundation steel
During platform 22, basic steel cushion cap 22 is installed in the top of back bearing 213.
As another better embodiment of the present invention, embrace girder construction 21 and set at the right-angled intersection node of Vierendeel girder 11
Put, the right-angled intersection node and bean column node 13 are same node, and the basic corner of steel cushion cap 22 is formed at so as to embrace girder construction 21
The mounting surface 211 being correspondingly arranged.Four Vierendeel girders 11 are in cross-shaped setting, the installation armful so on each Vierendeel girder 11
Girder construction 21, embrace girder construction 21 and be arranged on four square corners, armful offer mounting surface 211 of girder construction 21 is correspondingly arranged at square
Four corners, based on steel cushion cap 22 provide installation foundation.
As the another better embodiment of the present invention, as shown in figures 1 and 3, basic steel cushion cap 22 includes multiple steel structures
Part 221, the end of steel member 221 are fixedly connected as on corresponding mounting surface 211 and with mounting surface 211, multiple steel members 221
Head and the tail splice and enclose basis of formation steel cushion cap 22, and the basic steel cushion cap 22 is frame structure.In two adjacent steel members 221
A steel member end through another steel member end and two adjacent steel members are fixedly connected, so as to pass through
Steel member encloses basis of formation steel cushion cap 22.Behind the end that the end of one steel member is passed through to another steel member, at two
The junction of steel member is welded and fixed, and the top surface of adjacent two steel members is set to be concordant.Further, such as Fig. 9 extremely
Shown in Figure 10, steel member 221 uses I-steel, vertical in the multiple ribbed stiffeners 222 of the middle part of steel member 221 setting, ribbed stiffener 222
It is sticked on the web and upper and lower flange plate of I-steel, the support strength of I-steel is improved by the setting of ribbed stiffener 222.With reference to
Shown in Fig. 1, mounting seat 31 is equiped with basic steel cushion cap 22, the mounting seat 31 is installed in the middle part of steel member 221, i.e. steel structure
The position of ribbed stiffener 222 is correspondingly arranged on part 221, steel member 221 is that mounting seat 31 provides strong support.Further
Ground, with reference to shown in Figure 11, two steel members 221 cut the top flange plate of the first steel member and bottom wing listrium when docking connection
Except one section of top flange plate for forming accommodating second steel member and the groove of bottom wing listrium, opened up correspondingly on the web of the first steel member
First steel member is divided into two parts by the web groove of the second steel member, the groove, and the web of the second steel member is placed in groove,
The web of first steel member is welded and fixed, the upper limb of the second steel member against being sticked in the both sides of the web of the second steel member
Listrium is placed on the top flange plate of the first steel member in the groove opened up, and welding rod is set in the bottom of two top flange plate junctions
223 to realize being fixedly connected for the top flange plate of the first steel member and the second steel member, and the bottom wing listrium of the second steel member is placed in
In the groove opened up on the bottom wing listrium of first steel member, welding rod 223 is set at the top of two bottom wing listrium junctions with reality
The bottom wing listrium of existing first steel member and the second steel member is fixedly connected.
As another better embodiment of the present invention, as shown in figure 1, the present invention's embraces beam type tower crane steel cushion cap also
Including batter post support 23, embrace girder construction 21 and support 23 skewed horizontal loads to connect formed with supporting surface 212, batter post in the bottom of Vierendeel girder 11
It is connected between the floor at supporting surface 212 and the bottom of frame column 12, oblique branch is provided to embrace girder construction 21 by batter post support 23
Support force.Batter post support 23 forms effective force transfer system, avoids the excessive deformation of top concrete frame beam 11 and adds top
The bearing capacity of concrete frame beam 11, batter post support 23 is installed in four direction and bottom is converged on one point, with traditional four solely
Stand vertical support phase ratio, under the tower crane load action of top, batter post support 23 can stress more balance, add batter post support
Between mutual restrictive function.It is preferred that batter post support 23 uses I-steel.For ease of the installation of batter post support, and improve oblique
The power transmission stability of post support 23, cushion cap seat 24 is set in the junction of Vierendeel girder 11 ' and frame column 12, the cushion cap seat 24 surrounds
Frame column 12 is set, and cushion cap seat 24 is formed by fixedly connecting by multiple I-steel are interspersed, and cushion cap seat 24 is fixedly connected on frame column 12
On floor at bottom, support batter post to support 23 together by frame column 12 and floor, stable stress entirety is formed, to embrace a beam
Structure 21 provides strong support.
As the better embodiment another again of the present invention, as shown in Figure 5 and Figure 6, the beam for embracing girder construction 21 of the invention
Topmast seat 213 is identical with the structure of beam bottom bearing 214, both in mirror image located at the top and bottom of Vierendeel girder, below with beam
The concrete structure of bearing is illustrated exemplified by topmast seat 213.Back bearing 213 includes the first support plate 2131, the second support plate
2132nd, cross connecting plate 2133, longitudinally connected plate 2134 and reinforcing plate 2135, the first support plate 2131 and the phase of the second support plate 2132
To setting, supported between the first support plate 2131 and the second support plate 2132 and be connected with cross connecting plate 2133 and longitudinally connected plate
2134, with reference to shown in Fig. 7 and Fig. 8, spaced three horizontal strokes are provided between the first support plate 2131 and the second support plate 2132
To connecting plate 2133, spaced two longitudinally connected plates 2134, the interval of reinforcing plate 2135 is located at the one of installation tension rib 215
Side, relative both sides are spaced apart and are provided with through hole 2136 on the second support plate 2132, for wearing connection tension rib 215.
Provided by the invention armful of beam foundation steel cushion cap is belonged to one kind and set using the mechanical connection for embracing girder construction and Vierendeel girder
Meter construction be bold in innovation, through checking its can be provided for tower crane stably support, it is ensured that tower crane it is safe to use.
The construction method of provided by the invention armful of beam foundation steel cushion cap is illustrated below.
The invention provides the construction method of a kind of armful of beam type tower crane steel cushion cap, comprise the following steps：
As depicted in figs. 1 and 2, in the beam column section of close Vierendeel girder 11 and frame column 12 on the Vierendeel girder 11 of existing structure 10
A girder construction 21 is embraced in construction at point 13, will embrace girder construction 21 through on floor positioned at the part of the both sides of Vierendeel girder 11 and be fixedly clamped in
On Vierendeel girder 11, and girder construction 21 is embraced in the top of Vierendeel girder 11 formed with mounting surface 211；And
In installation foundation steel cushion cap 22 on mounting surface 211, by basic steel cushion cap 22 be placed in corresponding on mounting surface 211 and with
Mounting surface 211 is connected, so as to complete the construction for embracing beam type tower crane steel cushion cap.The basic steel cushion cap 22 carries for tower crane
Installation foundation has been supplied, tower crane is installed on basic steel cushion cap 22 and carries out the lifting operation of job site.
The basis that the present invention is installed using the Vierendeel girder of existing structure as tower crane, is tower crane using Vierendeel girder and frame column
Strong support is provided, avoiding traditional handicraft needs the complicated construction flows such as tower crane stake, lattice column, concrete cushion cap of constructing,
Duration and cost are saved.The present invention is more simple using basic steel cushion cap substitution concrete cushion cap, the installation and dismounting of basic steel cushion cap
Just, and steel member can reuse folk prescription, avoid the waste of material, save construction period and construction cost.It is full
The force request of the basic steel cushion cap of foot, the installation armful girder construction on Vierendeel girder, utilize and embrace the basic steel cushion cap of girder construction carrying, this armful
Together with girder construction is embraced with Vierendeel girder, stable stress entirety is formd, the gravity for the tower crane that basic steel cushion cap not only transmits, is gone back
The power of toppling of tower crane can be transmitted, power of toppling can form drawing effect, this armful of beam knot in basic steel cushion cap and an armful girder construction junction
Structure can improve basic steel cushion cap and embrace the resistance to plucking effect of girder construction junction, embrace girder construction and Vierendeel girder formation stress is overall,
It is highly resistant to the power of toppling of tower crane, it is ensured that the supporting ＆ stablizing of basic steel cushion cap, ensure that the safe to use of tower crane.
As the better embodiment of the present invention, as shown in Figures 3 to 5, construction is embraced girder construction 21 and further comprised：
Back bearing 213 is provided, back bearing 213 is placed in the top of Vierendeel girder 11, back bearing 213 and bean column node
Setpoint distance is installed with 13；
Beam bottom bearing 214 is provided, by beam bottom bearing 214 be attached at Vierendeel girder 11 bottom and with the phase of back bearing 213
It is correspondingly arranged；
Tension rib 215 is provided, tension rib 215 is attached to the both sides of Vierendeel girder 11, and by one end of tension rib 215 and beam
Bottom bearing 214 is fixedly connected, and the other end is fixedly connected through the floor at the top of Vierendeel girder 11 and with back bearing 213, is fastened
Tension rib 215 is so that back bearing 213 and beam bottom bearing 214 are fixedly clamped in Vierendeel girder 11.Tension rib 215 runs through floor
Set, the bonding strength of tension rib 215 can be further improved by floor, so as to improve the structural strength for embracing girder construction 21.
When girder construction 21 is embraced in installation, the set location of corresponding tension rib 215 drills on the floor of the both sides of Vierendeel girder 11, by drawknot
Muscle 215 is corresponding to be can be achieved to fasten the back bearing 213 of Vierendeel girder 11 and beam bottom bearing 214 through floor through the hole bored
Connection.Mounting surface 211 corresponding to the top formation of back bearing 213, in installation foundation steel cushion cap 22, by basic steel cushion cap 22
It is installed in the top of back bearing 213.
As another better embodiment of the present invention, when girder construction 21 is embraced in construction, the cross close to Vierendeel girder 11 is selected to hand over
Girder construction 21 is embraced in construction at knuckle point, so as to form the installation being correspondingly arranged with the basic corner of steel cushion cap 22 by embracing girder construction 21
Face 211.The right-angled intersection node and bean column node 13 are same node, and four Vierendeel girders 11 are in cross-shaped setting, so
Girder construction 21 is embraced in installation on each Vierendeel girder 11, is embraced girder construction 21 and is arranged on four square corners, is embraced girder construction 21 and is carried
Four square corners are correspondingly arranged at for mounting surface 211, based on steel cushion cap 22 provide installation foundation.
As the another better embodiment of the present invention, as shown in figures 1 and 3, held in installation foundation steel on mounting surface 211
Platform 22, including：
Steel member 221 is provided, the end of steel member 221 is placed on corresponding mounting surface 211 and fixed with mounting surface 211
Connection；
By the end of a steel member in two adjacent steel members 221 through another steel member end and will be adjacent
Two steel members be fixedly connected, so as to by steel member enclose basis of formation steel cushion cap.Multiple steel members 221 splice simultaneously from beginning to end
Basis of formation steel cushion cap 22 is enclosed, the basic steel cushion cap 22 is frame structure.The end of one steel member is passed through into another steel
Behind the end of component, it is welded and fixed in the junction of two steel members, the top surface of adjacent two steel members is concordantly to set
Put.Further, as shown in Fig. 9 to Figure 10, steel member 221 uses I-steel, and multiple put more energy into is set at the middle part of steel member 221
Rib 222, ribbed stiffener 222 are vertically sticked on the web and upper and lower flange plate of I-steel, and work is improved by the setting of ribbed stiffener 222
The support strength of word steel.With reference to shown in Fig. 1, mounting seat 31 is equiped with basic steel cushion cap 22, the mounting seat 31 is installed in steel
The middle part of component 221, i.e., be correspondingly arranged on the position of ribbed stiffener 222 on steel member 221, steel member 221 is that mounting seat 31 provides
Strong support.Further, with reference to shown in Figure 11, two steel members 221 are when docking connection, by the upper of the first steel member
Flange plate and bottom wing listrium cut off the groove of one section of top flange plate for forming accommodating second steel member and bottom wing listrium, the first steel structure
The web groove of corresponding second steel member is opened up on the web of part, the first steel member is divided into two parts, the second steel structure by the groove
The web of part is placed in groove, and the web of the first steel member is welded solid against being sticked in the both sides of the web of the second steel member
Fixed, the top flange plate of the second steel member is placed on the top flange plate of the first steel member in the groove opened up, in two top flange plates
The bottom of junction sets welding rod 223 to realize being fixedly connected for the top flange plate of the first steel member and the second steel member, and second
The bottom wing listrium of steel member is placed on the bottom wing listrium of the first steel member in the groove opened up, two bottom wing listrium junctions
Top sets welding rod 223 to realize being fixedly connected for the bottom wing listrium of the first steel member and the second steel member.
As another better embodiment of the present invention, when girder construction 21 is embraced in construction, girder construction 21 is embraced in Vierendeel girder 11
Bottom is formed with supporting surface 212；
Batter post support 23 is provided, supports 23 skewed horizontal loads to be connected at supporting surface 212 and the bottom of frame column 12 batter post
Between floor.By batter post support 23 skewed horizontal load power is provided to embrace girder construction 21.Batter post support 23 forms effective force transfer body
System, avoid the excessive deformation of top concrete frame beam 11 and add the bearing capacity of top concrete frame beam 11, batter post support 23 in
Four direction is installed and bottom is converged on one point, and with four traditional independent vertical support phase ratios, on top, tower crane load is made
Under, batter post support 23 can stress more balance, add batter post support between mutual restrictive function.It is preferred that batter post branch
Support 23 uses I-steel.For ease of the installation of batter post support, and the power transmission stability of batter post support 23 is improved, in Vierendeel girder
11 ' and the junction of frame column 12 cushion cap seat 24 is set, the cushion cap seat 24 is set around frame column 12, and cushion cap seat 24 is by multiple works
Word steel is interspersed to be formed by fixedly connecting, and cushion cap seat 24 is fixedly connected on the floor at the bottom of frame column 12, passes through the He of frame column 12
Floor supports batter post to support 23 together, forms stable stress entirety, and strong support is provided to embrace a girder construction 21.
The present invention is described in detail above in association with accompanying drawing embodiment, those skilled in the art can be according to upper
State and bright many variations example is made to the present invention.Thus, some details in embodiment should not form limitation of the invention, this
Invention will be used as protection scope of the present invention using the scope that appended claims define.
Claims (10)
1. the construction method of a kind of armful of beam type tower crane steel cushion cap, it is characterised in that comprise the following steps：
Girder construction is embraced in being constructed on the Vierendeel girder of existing structure at the bean column node of the Vierendeel girder and frame column, by described in
Girder construction is embraced through positioned at the part of Vierendeel girder both sides and being fixedly clamped on the Vierendeel girder on floor, and described armful of girder construction
In the top of the Vierendeel girder formed with mounting surface；And
In installation foundation steel cushion cap on the mounting surface, by the basic steel cushion cap be placed in corresponding on mounting surface and with the peace
Dress face is connected, so as to complete the construction for embracing beam type tower crane steel cushion cap.
2. the construction method of beam type tower crane steel cushion cap is embraced as claimed in claim 1, it is characterised in that girder construction is embraced in construction
Further comprise：
Back bearing is provided, the back bearing is placed in the top of the Vierendeel girder, the back bearing and the beam column section
Setpoint distance is installed with point；
Beam bottom bearing is provided, beam bottom bearing is attached at the bottom of the Vierendeel girder and corresponding with the back bearing
Set；
Tension rib is provided, the tension rib is attached to the both sides of the Vierendeel girder, and by one end of the tension rib with it is described
Beam bottom bearing is fixedly connected, and the other end is fixedly connected through the floor at Vierendeel girder top and with the back bearing, tightly
Gu the tension rib is so that the back bearing and beam bottom bearing are fixedly clamped in the Vierendeel girder.
3. the construction method of beam type tower crane steel cushion cap is embraced as claimed in claim 1 or 2, it is characterised in that beam is embraced in construction
During structure, the construction at the right-angled intersection node of Vierendeel girder is selected to embrace girder construction, so as to be formed and basis by embracing girder construction
The mounting surface that steel cushion cap corner is correspondingly arranged.
4. the construction method of beam type tower crane steel cushion cap is embraced as claimed in claim 1, it is characterised in that in the mounting surface
Upper installation foundation steel cushion cap, including：
Steel member is provided, the end of the steel member is placed on corresponding mounting surface and is fixedly connected with the mounting surface；
By the end of a steel member in two adjacent steel members through the end of another steel member and by adjacent two
Steel member is fixedly connected, so as to enclose basis of formation steel cushion cap by steel member.
5. the construction method of beam type tower crane steel cushion cap is embraced as claimed in claim 1, it is characterised in that girder construction is embraced in construction
When, described armful of girder construction is in the bottom of the Vierendeel girder formed with supporting surface；
Batter post support is provided, building batter post support skewed horizontal load being connected at the supporting surface and the framework column bottom
On plate.
6. one kind embraces beam type tower crane steel cushion cap, it is characterised in that including：
It is installed on and embraces girder construction, institute on the Vierendeel girder of existing structure and at the bean column node of the Vierendeel girder and frame column
Armful girder construction is stated to pass through the part for being located at the Vierendeel girder both sides on floor and be fixedly clamped in the Vierendeel girder, and described armful of beam
Structure is in the top of the Vierendeel girder formed with mounting surface；And
The basic steel cushion cap being mounted on the mounting surface.
7. beam type tower crane steel cushion cap is embraced as claimed in claim 6, it is characterised in that described armful of girder construction includes being placed in institute
The back bearing at the top of Vierendeel girder is stated, be attached at the beam bottom bearing of the Vierendeel girder bottom and is attached at the Vierendeel girder both sides
Tension rib；
The back bearing at the bean column node with being installed with setpoint distance；
The setting corresponding with the back bearing of beam bottom bearing；
One end of the tension rib is fixedly connected with beam bottom bearing, and floor of the other end through at the top of the Vierendeel girder is simultaneously
It is fixedly connected with the back bearing, fastens the tension rib so that the back bearing and beam bottom bearing clamp admittedly
Due to the Vierendeel girder.
8. armful beam type tower crane steel cushion cap as claimed in claims 6 or 7, it is characterised in that described armful of girder construction is close to frame
Set at the right-angled intersection node set a roof beam in place, be correspondingly arranged so as to be formed by described armful of girder construction with the basic steel cushion cap corner
Mounting surface.
9. beam type tower crane steel cushion cap is embraced as claimed in claim 6, it is characterised in that the basic steel cushion cap includes multiple
Steel member, the end of the steel member are placed on corresponding mounting surface and are fixedly connected with the mounting surface, adjacent two steel
Two adjacent steel members through the end of another steel member and are fixedly connected by the end of a steel member in component, from
And basis of formation steel cushion cap is enclosed by the steel member.
10. beam type tower crane steel cushion cap is embraced as claimed in claim 6, it is characterised in that also supported including batter post；
Described armful of girder construction is connected to described in the bottom of the Vierendeel girder formed with supporting surface, the batter post support skewed horizontal load
Floor at supporting surface and the framework column bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710303428.7A CN107419740B (en) | 2017-05-03 | 2017-05-03 | Steel bearing platform of beam-holding tower crane foundation and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710303428.7A CN107419740B (en) | 2017-05-03 | 2017-05-03 | Steel bearing platform of beam-holding tower crane foundation and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN107419740A true CN107419740A (en) | 2017-12-01 |
| CN107419740B CN107419740B (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710303428.7A Active CN107419740B (en) | 2017-05-03 | 2017-05-03 | Steel bearing platform of beam-holding tower crane foundation and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114045861A (en) * | 2021-11-24 | 2022-02-15 | 北京市第三建筑工程有限公司 | Tower crane foundation connecting structure capable of transferring force to existing column and construction method thereof |
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| CN105401585A (en) * | 2015-11-24 | 2016-03-16 | 中国建筑第八工程局有限公司 | Structure for supporting tower crane through foundation pit supporting system and construction method of structure |
| CN205296173U (en) * | 2015-11-24 | 2016-06-08 | 中国建筑第八工程局有限公司 | Utilize structure of foundation ditch support system bearing tower crane |
| CN106088131A (en) * | 2016-06-15 | 2016-11-09 | 中国建筑第八工程局有限公司 | Armored concrete cross tower crane and construction method thereof |
| CN205934955U (en) * | 2016-08-10 | 2017-02-08 | 中建八局第四建设有限公司 | Steel cushion cap formula tower crane foundation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050024781A (en) * | 2003-09-04 | 2005-03-11 | 이창남 | reinforcing method using forced knee brace between column and girder |
| CN105401585A (en) * | 2015-11-24 | 2016-03-16 | 中国建筑第八工程局有限公司 | Structure for supporting tower crane through foundation pit supporting system and construction method of structure |
| CN205296173U (en) * | 2015-11-24 | 2016-06-08 | 中国建筑第八工程局有限公司 | Utilize structure of foundation ditch support system bearing tower crane |
| CN106088131A (en) * | 2016-06-15 | 2016-11-09 | 中国建筑第八工程局有限公司 | Armored concrete cross tower crane and construction method thereof |
| CN205934955U (en) * | 2016-08-10 | 2017-02-08 | 中建八局第四建设有限公司 | Steel cushion cap formula tower crane foundation |
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| CN114045861A (en) * | 2021-11-24 | 2022-02-15 | 北京市第三建筑工程有限公司 | Tower crane foundation connecting structure capable of transferring force to existing column and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN107419740B (en) | 2023-05-02 |
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