CN105970988B - The construction method of elevator sidewall reinforcing bar is installed in raft foundation - Google Patents
The construction method of elevator sidewall reinforcing bar is installed in raft foundation Download PDFInfo
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- CN105970988B CN105970988B CN201610405377.4A CN201610405377A CN105970988B CN 105970988 B CN105970988 B CN 105970988B CN 201610405377 A CN201610405377 A CN 201610405377A CN 105970988 B CN105970988 B CN 105970988B
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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
- E02D27/01—Flat foundations
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
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Abstract
The invention discloses a kind of construction method that elevator sidewall reinforcing bar is installed in raft foundation, including step:The bottom layer of the reinforcing steel and surfacing steel bar of construction raft foundation, and elevator position is reserved in the raft foundation;And support jig is set between the bottom layer of the reinforcing steel at a certain distance from the elevator and the surfacing steel bar;Truck crane is hung in the surfacing steel bar for being corresponding with the support jig using tower crane;The side wall reinforcing bar of the elevator is lifted using the truck crane.The present invention replaces traditional tower crane to complete the lifting task of heavy elevator sidewall reinforcing bar by the way that truck crane is prevented on raft foundation, using truck crane, saves the excessive use of tower crane;Meanwhile when it also avoid in super thick raft plate using cucurbit jack to lift elevator sidewall reinforcing bar, due to close to side wall, existing danger.
Description
Technical field
The present invention relates to a kind of the realm of building construction, more particularly to one kind to install elevator sidewall reinforcing bar in raft foundation
Construction method.
Background technology
Because land resource is limited, modern architecture is meet demand, mostly high-rise building, and high-rise building is necessarily adjoint
Super thick raft foundation, the thickness of raft foundation is larger, commonly reach 5 meters and more than, elevator side is being installed in raft foundation
In the construction of wall reinforcing bar, because the plank thickness of elevator sidewall is larger, the quantity of reinforcement of elevator sidewall reinforcing bar is big, reinforcing bar deadweight
Also heavier, the weight of every reinforcing bar typically will also reach 100kg~150kg, can not manually install.
Due to elevator sidewall raft plate super thick, more than 10m is typically can reach, it is close when lifting reinforcing bar using cucurbit jack
Side wall, it is excessively dangerous, and also (place size is smaller, and close to urban district, can only install 2 towers for 1# the and 2# tower cranes of foundation ditch installation
Hang), 2# tower cranes can not cover elevator position, and 1# tower cranes are mainly responsible for handling scene steel, steel structure etc., are pacified using 1# tower cranes
Dress side wall reinforcing bar can cause the utilization rate of tower crane too low, and will have a strong impact on the duration.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of applying for installation elevator sidewall reinforcing bar in raft foundation
Work method, dependence of the reinforcement installation to tower crane can be substantially reduced, suitable for engineering ground is narrow and small, tower crane limited amount and hangs
The heavy operating mode of dress task.
To realize above-mentioned technique effect, applying for elevator sidewall reinforcing bar is installed in raft foundation the invention discloses a kind of
Work method, including step:
The bottom layer of the reinforcing steel and surfacing steel bar of construction raft foundation, and elevator position is reserved in the raft foundation;And
Support jig is set between the bottom layer of the reinforcing steel at a certain distance from the elevator and the surfacing steel bar;
Truck crane is hung in the surfacing steel bar for being corresponding with the support jig using tower crane;
The side wall reinforcing bar of the elevator is lifted using the truck crane.
The construction method of installation elevator sidewall reinforcing bar, which is further improved, in be set forth in raft foundation is, raft plate of constructing
The bottom layer of the reinforcing steel and surfacing steel bar on basis, including:
The bottom layer of the reinforcing steel of colligation raft foundation;
In installing gluten supporting construction on the bottom layer of the reinforcing steel;
In colligation surfacing steel bar in the gluten supporting construction, the surfacing steel bar forms matrix in the elevator position
Region.
Further improve of construction method that elevator sidewall reinforcing bar is installed in be set forth in raft foundation is, in the face
In muscle supporting construction before surfacing steel bar described in colligation, in addition to:
Moulding bed support pads are set in the bottom layer of the reinforcing steel that colligation is completed;
In installing support jig on the moulding bed support pads, and the support jig and the gluten are supported using connecting rod
Structure welding connects.
The construction method of installation elevator sidewall reinforcing bar, which is further improved, in be set forth in raft foundation is, the automobile
Bull ladle includes vehicle body, multiple wheels positioned at the body bottom and multiple supporting legs positioned at the vehicle body both sides;The branch support
Frame includes the lattice support body for being supported in the lower section of each wheel and each supporting leg correspondingly, and multiple described
Connected between lattice support body by the connecting rod.
Further improve of construction method that elevator sidewall reinforcing bar is installed in be set forth in raft foundation is, by following
Truck crane is hung in the surfacing steel bar by step using tower crane:
Pack up the supporting leg of the truck crane, by the colligation of tower crane lifting rope the truck crane leg location;
The suspension centre and center of gravity for finding out the truck crane are hung by examination, it is ensured that all wheels of the truck crane are same in lifting
When it is liftoff;
After suspension centre and center of gravity is found out, tower crane lifts by crane the truck crane, and the pause lifting after the truck crane is liftoff, makes
The truck crane remains static;
Tower crane continues to lift by crane the truck crane, and in the liftoff segment distance of the truck crane, pause lifting, by the vapour
Car hangs to tower crane center position and moves a segment distance;
Tower crane crane arm starts to swing, and the truck crane is hung to the top position of the support jig;
Transfer the automobile to be hung at the segment distance of surfacing steel bar one, debugged;
After debugging, continue to transfer the truck crane, make the pressure wheel of the truck crane in the surfacing steel bar;
Put down the supporting leg of the truck crane.
Further improve of construction method that elevator sidewall reinforcing bar is installed in be set forth in raft foundation is, by described in
Before truck crane is transferred to the surfacing steel bar, in addition to:In laying supporting pad plate in the surfacing steel bar, and in the branch
The position of each lattice support body of the support jig is indicated on stake pad plate.
Further improve of construction method that elevator sidewall reinforcing bar is installed in be set forth in raft foundation is, is utilizing institute
Before stating the side wall reinforcing bar that truck crane lifts the elevator, in addition to:The support jig and the surfacing steel bar are become
Shape inspection.
Further improve of construction method that elevator sidewall reinforcing bar is installed in be set forth in raft foundation is, by following
Step lifts the side wall reinforcing bar of the elevator using the truck crane:
The supporting leg of the truck crane is lifted, makes the wheel of the truck crane just liftoff;
By the side wall reinforcing bar of root lifting elevator, after being hung to the sidewall locations of elevator, the side wall reinforcing bar is manually carried out
Colligation.
The construction method of installation elevator sidewall reinforcing bar, which is further improved, in be set forth in raft foundation is, in addition to:
After the completion for the treatment of the side wall reinforcement installation, the truck crane is hung into the support backing plate using tower crane.
The construction method of installation elevator sidewall reinforcing bar, which is further improved, in be set forth in raft foundation is, the support
Moulding bed is arranged at apart from the position of the elevator 10m~20m.
The present invention makes it have following beneficial effect as a result of above technical scheme:
1) engineering ground is narrow and small, tower crane limited amount, and tower crane lifting task it is heavy when, super thick raft plate side wall reinforcing bar use
Truck crane carries out lifting the installation method of reinforcing bar on raft slab muscle, greatly reduces dependence of the reinforcement installation to tower crane;
2) convenient and quick construction, hence it is evident that reduce the set-up time of side wall reinforcing bar, while alleviate labor intensity;
3) shorten the raft slab muscle colligation duration, underplate concrete can be fulfiled ahead of schedule and poured, avoid occurring during rainy season construction
Foundation pit collapse is dangerous;
4) reinforcing bar colligation safety coefficient is high, avoids the occurrence of reinforcing bar casualty accident.
Brief description of the drawings
Fig. 1 is the process chart for the construction method that the present invention installs elevator sidewall reinforcing bar in raft foundation.
Fig. 2 is the raft of a preferred embodiment of the construction method that the present invention installs elevator sidewall reinforcing bar in raft foundation
The schematic diagram on plate basis.
Fig. 3 is the work of a preferred embodiment of the construction method that the present invention installs elevator sidewall reinforcing bar in raft foundation
Sequence figure.
Fig. 4 is the branch of a preferred embodiment of the construction method that the present invention installs elevator sidewall reinforcing bar in raft foundation
The floor plan of support frame.
Fig. 5 is the branch of a preferred embodiment of the construction method that the present invention installs elevator sidewall reinforcing bar in raft foundation
The elevation of support frame.
Fig. 6 is the branch of a preferred embodiment of the construction method that the present invention installs elevator sidewall reinforcing bar in raft foundation
The elevation of another angle of support frame.
Fig. 7 is the electricity of a preferred embodiment of the construction method that the present invention installs elevator sidewall reinforcing bar in raft foundation
The lifting construction schematic diagram of stair shaft side wall reinforcing bar.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is further detailed explanation.
Referring initially to shown in Fig. 1, the construction method that the present invention installs elevator sidewall reinforcing bar in raft foundation is mainly wrapped
Include following construction technology:
S001:The bottom layer of the reinforcing steel and surfacing steel bar of construction raft foundation, and elevator position is reserved in raft foundation;And
Support jig is set between the bottom layer of the reinforcing steel at a certain distance from elevator and surfacing steel bar;
S002:Truck crane is hung in the surfacing steel bar for being corresponding with support jig using tower crane;
S003:Utilize the side wall reinforcing bar of truck crane lifting elevator.
The central idea mainly used is:Truck crane is prevented on raft foundation, traditional tower is replaced using truck crane
Hang to complete the lifting task of heavy elevator sidewall reinforcing bar, save the excessive use of tower crane;Meanwhile it also avoid super
In thick raft plate using cucurbit jack to lift elevator sidewall reinforcing bar when, due to close to side wall, existing danger.Also, pass through
Support jig is set in raft foundation, improvement is made that to raft board supporting structure, truck crane is supported and reinforced, makes vapour
Car, which is hung, to be stably installed on raft foundation, and plays a part of avoiding raft foundation from deforming.
How to realize that the present invention installs elevator sidewall reinforcing bar in raft foundation with an embodiment to illustrate below
Construction.
Coordinate shown in Fig. 2, in the present embodiment, raft foundation 11 is high building raft plate, and thickness is about 5m, and the chi of elevator 12
Very little is 16250mm × 6850mm × 6800mm (H), and the plank thickness of elevator sidewall position reaches about 11.8m, elevator sidewall
The shape of reinforcing bar 13 and size are as shown in Fig. 2 be in " 7 " font, and the side wall number of steel bars is more, and the weight of every is about 120 kilograms,
It can not manually install.Because the raft plate sidewall thickness of elevator position reaches 11.8m, when being lifted using cucurbit jack, close to side
Wall, it is excessively dangerous, and also (place size is smaller, and close to urban district, can only install 2 towers for 1# the and 2# tower cranes of foundation ditch installation
Hang), 2# tower cranes can not cover elevator position, and 1# tower cranes are mainly responsible for handling scene steel, steel structure etc., are pacified using 1# tower cranes
Dress side wall reinforcing bar can cause the utilization rate of tower crane too low, and will have a strong impact on the duration.Therefore, using the present invention in raft foundation
The construction method for installing elevator sidewall reinforcing bar installs the side wall reinforcing bar of elevator, is more suitable.Specific construction work
Sequence as shown in fig.3, construction item referring to as follows:
1st, truck crane position selects
Truck crane is selected in elevator north side, it is necessary to avoid the moulding bed of steel construction pre embedded bolt, while needs 23m to lift radius
Side can meet the normal lifting of elevator sidewall reinforcing bar.Need to lift 0.12t lift heavys in the range of 23m, select QY12 truck cranes,
It can meet to require.
2nd, truck crane lifting analysis in place
Because truck crane is placed in the surfacing steel bar of raft foundation, specified location can not be directly reached, scene intends first allowing
Truck crane reaches the place in foundation ditch east side, and truck crane is then hung specified location, truck crane using 1# tower cranes (S1200M64)
Supporting leg is fixed again.It is required that truck crane will be placed accurately, it is ensured that be placed on the reinforcement point specified, can carry out elevator sidewall reinforcing bar
Lifting.
There is 22m at 1# tower cranes center to lifting point, believed according to S1200M64 lift heavy to the preceding place in Office Area about 44m
Breath, 45m positions maximum lift heavy is 26.6T, and the weight of middle QY12 truck cranes is 20T, can meet lifting requirements.Truck crane
From being 20m with a distance from the farthest angle of elevator, the coverage of middle QY12 truck cranes arrangement is 23m, can be met for lifting point
The lifting requirements of all side wall reinforcing bars of elevator.
3rd, the support jig design and construction of truck crane lifting point surfacing steel bar
In order to ensure the stabilization of the support system of whole surfacing steel bar and safety, it is necessary to truck crane region in place carry out office
Portion is reinforced, and mainly two front-wheels, 161, two trailing wheels 162 of truck crane and four positions of supporting leg 163 are reinforced, referred to
Shown in Fig. 4.
Wherein, two front-wheels 161 of truck crane and two trailing wheels 162 are located at the bottom of truck crane vehicle body, and the four of truck crane
Individual supporting leg 163 is located at the both sides of vehicle body;Support jig includes being supported in the lower section of each wheel and each supporting leg correspondingly
Lattice support body 14, and connected between multiple lattice support bodys 14 by connecting rod, refering to shown in Fig. 5 and Fig. 6.Lattice support body
14 4 corners use 16# I-steel, and size is 1000mm × 1000mm, and the height of moulding bed is specifically true with reference to the thickness of raft plate
It is fixed.Cross bar and diagonal brace are connected between the I-steel at four angles, it is contemplated that tower crane lifts big arm swing and produces larger torque, horizontal
Bar and diagonal brace use 10# channel-section steels, every 1000mm high settings together.
The bottom layer of the reinforcing steel 111 and surfacing steel bar 112 of construction raft foundation 11, are specifically included:
The bottom layer of the reinforcing steel 111 of colligation raft foundation 11;
In installing gluten supporting construction 17 on bottom layer of the reinforcing steel 111;
In colligation surfacing steel bar 112 in gluten supporting construction 17, surfacing steel bar 112 forms matrix area in the position of elevator 12
Domain, the side wall reinforcing bar 13 of elevator are just installed on the surrounding of the concave domain.
Wherein, it is in gluten supporting construction before colligation surfacing steel bar, in addition to:
Moulding bed support pads are set in the bottom layer of the reinforcing steel 111 that colligation is completed;
In installing support jig on moulding bed support pads, and support jig and gluten supporting construction 17 are welded using connecting rod 18
Connection.
Moulding bed support pads therein use 10# channel-section steels, pad located at the bottom of each lattice support body 14 of support jig with
Between the bottom layer of the reinforcing steel 111 of raft foundation 11, supporting role is played;The surfacing steel bar 112 of raft foundation 11 is placed directly in support
On moulding bed and with the gluten supporting construction banding fixed of raft foundation 11.
In order to ensure this construction occurs without unexpected, it is necessary to carry out Stability Checking to 8 lattice support bodys 14 of design,
The intensity and stability of resistance to overturning and each component mainly to support jig check, it is desirable to truck crane bottom
Eight lattice support bodys 14 and the gluten supporting construction in the region be welded to connect and be fixed as an entirety, improve overall stress
Energy.Gluten supporting construction typically uses type steel support, and bottom is using the 10# channel-section steels pad of about 200mm length at the bottom of raft foundation 11
On layer reinforcing bar 111;Connecting rod includes the cross bar and diagonal brace being connected between multiple lattice support bodys 14, using 5# angle steel, while with
The gluten supporting construction of reinforcing area is welded to connect, as shown in Figure 6.
4th, truck crane is in place
According to spot plane layout drawing, truck crane all unloads the debris such as the counterweight on car, chock after reaching specified location
Under, prevent debris falling from high altitude when tower crane allocates and transports truck crane.Tower crane crane arm swings to the overhead of truck crane, transfers suspension hook, four
Sash-line diameter uses 14mm, and every maximum weight of bearing reaches 20T.
5th, in the surfacing steel bar using tower crane handling truck crane to raft foundation
(1) lifting point site layout project
, be in surfacing steel bar in order to reduce local pressure of the truck crane to surfacing steel bar 112 because the weight of truck crane is big
112 one layer of lifting point upper berth support backing plate 15, as shown in Figure 5 and Figure 6, the support backing plate 15 can use the thick Large Steels of 15mm
Plate, at the same with lime support backing plate 15 on mark support jig each lattice support body 14 position, be easy to truck crane just
Position.
(2) truck crane colligation point selection
The area of truck crane is big, the more difficult determination of position of centre of gravity, four branch of the four lifting rope colligations of crane hook in truck crane
Leg position (supporting leg does not stretch out), checks whether and meets the requirements repeatedly after colligation.
(3) suspension centre and center of gravity of truck crane are found out
Increase dynamic load to prevent hoisting process truck crane from rocking, it is necessary to can be risen after finding out suspension centre and center of gravity
Hang.The first slowly raising of tower crane, checks whether all wheels of truck crane are simultaneously liftoff.If it is not, suspension hook is slowly transferred at once,
Judge deviation of gravity center direction, readjust the length of front and rear lifting rope.Because the colligation point of lifting rope is four supporting legs of truck crane
Position, front leg strut is because close to headstock, center of gravity can be offset to front leg strut, therefore colligation should compare front leg strut in the lifting rope of rear support leg
It is shorter, just can guarantee that all wheels simultaneously it is liftoff.By adjusting the length of lifting rope, the suspension centre and center of gravity of truck crane are found out.
(4) tower crane lifts by crane
After finding out suspension centre, tower crane slowly raising 300mm, pause raising, makes truck crane slowly locate after truck crane is liftoff
In inactive state.Then, tower crane continues slowly raising, from the ground after 3m, suspends raising, while tower crane amplitude variation trolley starts to transport
It is dynamic, truck crane is moved to 22m positions by 45m to tower crane centre distance.Last tower crane crane arm starts to swing, until truck crane
The overhead of lifting point is rested on, slowly transfers until automobile hangs gluten steel plate 300mm, by manual adjustment, makes truck crane
Front and back wheel just with regard to site, is slowly transferred until pressure wheel is on steel plate.
Now, tower crane can't loose hook, site administrator observe gluten deformation and stable case after, it is ensured that peace
Tower crane could loose hook after complete.
6th, support jig and the Deformation checking of surfacing steel bar
The quantity of this elevator sidewall reinforcing bar is more, it is necessary to which two days could complete, therefore truck crane stops on gluten
Time it is longer.In order to ensure whole hoisting process surfacing steel bar, gluten supporting construction, the stability of support jig and safety
Property, it is necessary to strengthen the inspection and monitoring to support jig, gluten deformation, the time interval patrolled every time can not be more than 2 hours,
Inspection content be:
(1) vertical rod of support jig I-steel whether there is the trend that deformation or deformation increase, between vertical rod, cross bar, brace
It is welded with without the scene that comes off, especially proximate to the moulding bed of elevator side;
(2) surfacing steel bar that truck crane is pressed whether there is the trend that deformation or deformation increase;
(3) the gluten supporting construction of surfacing steel bar whether there is situations such as bent torsion, deformation.
7th, truck crane lifting elevator sidewall reinforcing bar
Coordinate shown in Fig. 7, truck crane 16 is in place after stabilization, and truck crane opens supporting leg and prepares lifting reinforcing bar, and four supporting legs will
It is pressed in like clockwork with regard on site.Elevator sidewall reinforcing bar shape is as illustrated, be in " 7 " font, side wall reinforcing bar is one one
Install root, lift heavy is little, is advisable so that wheel is just liftoff during the lifting of four supporting legs, allow four supporting legs and all wheels simultaneously by
Power, reduce the local pressure of the surfacing steel bar 111 of raft foundation 11.After all preparation is ready, side can be proceeded by
The construction of wall reinforcing bar 13, as shown in Figure 7.Lifting rope ties up the side wall in the turning point of " 7 " font side wall reinforcing bar 13, hanging elevator 12
Behind position, spacing is manually adjusted and with tied silk banding fixed.
The innovative point that the present invention installs the construction method of elevator sidewall reinforcing bar in raft foundation is as follows:
1) engineering ground is narrow and small, tower crane limited amount, and tower crane lifting task it is heavy when, super thick raft plate side wall reinforcing bar use
Truck crane carries out lifting the installation method of reinforcing bar on raft slab muscle, greatly reduces dependence of the reinforcement installation to tower crane;
2) convenient and quick construction, hence it is evident that reduce the set-up time of side wall reinforcing bar, while alleviate labor intensity;
3) shorten the raft slab muscle colligation duration, underplate concrete can be fulfiled ahead of schedule and poured, avoid occurring during rainy season construction
Foundation pit collapse is dangerous;
4) reinforcing bar colligation safety coefficient is high, avoids the occurrence of reinforcing bar casualty accident.
The present invention is described in detail above in association with drawings and Examples, those skilled in the art can basis
Described above makes many variations example to the present invention.Thus, some details in embodiment should not form limitation of the invention,
The present invention will be used as protection scope of the present invention using the scope that appended claims define.
Claims (10)
1. a kind of construction method that elevator sidewall reinforcing bar is installed in raft foundation, it is characterised in that including step:
The bottom layer of the reinforcing steel and surfacing steel bar of construction raft foundation, and elevator position is reserved in the raft foundation;And in away from
From between the bottom layer of the reinforcing steel at a certain distance from the elevator and the surfacing steel bar, support jig is set;
Truck crane is hung in the surfacing steel bar for being corresponding with the support jig using tower crane;
The side wall reinforcing bar of the elevator is lifted using the truck crane.
2. the construction method of elevator sidewall reinforcing bar is installed in raft foundation as claimed in claim 1, it is characterised in that apply
The bottom layer of the reinforcing steel and surfacing steel bar of work raft foundation, including:
The bottom layer of the reinforcing steel of colligation raft foundation;
In installing gluten supporting construction on the bottom layer of the reinforcing steel;
In colligation surfacing steel bar in the gluten supporting construction, the surfacing steel bar forms matrix area in the elevator position
Domain.
3. the construction method of elevator sidewall reinforcing bar is installed in raft foundation as claimed in claim 2, it is characterised in that in
In the gluten supporting construction before surfacing steel bar described in colligation, in addition to:
Moulding bed support pads are set in the bottom layer of the reinforcing steel that colligation is completed;
In installing support jig on the moulding bed support pads, and using connecting rod by the support jig and the gluten supporting construction
It is welded to connect.
4. the construction method of elevator sidewall reinforcing bar is installed in raft foundation as claimed in claim 3, it is characterised in that:Institute
Stating truck crane includes vehicle body, multiple wheels positioned at the body bottom and multiple supporting legs positioned at the vehicle body both sides;It is described
Support jig includes the lattice support body for being supported in the lower section of each wheel and each supporting leg correspondingly, and more
Connected between the individual lattice support body by the connecting rod.
5. the construction method of elevator sidewall reinforcing bar is installed in raft foundation as claimed in claim 4, it is characterised in that logical
Following steps are crossed truck crane is hung in the surfacing steel bar using tower crane:
Pack up the supporting leg of the truck crane, by the colligation of tower crane lifting rope the truck crane leg location;
Hung by examination and find out the suspension centre and center of gravity of the truck crane, it is ensured that all wheels of the truck crane in lifting simultaneously from
Ground;
After suspension centre and center of gravity is found out, tower crane lifts by crane the truck crane, and the pause lifting after the truck crane is liftoff, makes described
Truck crane remains static;
Tower crane continues to lift by crane the truck crane, and in the liftoff segment distance of the truck crane, pause lifting, by the truck crane
A segment distance is moved to tower crane center position;
Tower crane crane arm starts to swing, and the truck crane is hung to the top position of the support jig;
Transfer the automobile to be hung at the segment distance of surfacing steel bar one, debugged;
After debugging, continue to transfer the truck crane, make the pressure wheel of the truck crane in the surfacing steel bar;
Put down the supporting leg of the truck crane.
6. the construction method of elevator sidewall reinforcing bar is installed in raft foundation as claimed in claim 5, it is characterised in that
Before the truck crane is transferred to the surfacing steel bar, in addition to:In laying supporting pad plate in the surfacing steel bar, and
The support backing plate subscript shows the position of each lattice support body of the support jig.
7. the construction method of elevator sidewall reinforcing bar is installed in raft foundation as claimed in claim 1, it is characterised in that
Before the side wall reinforcing bar that the elevator is lifted using the truck crane, in addition to:To the support jig and the surfacing steel bar
Carry out Deformation checking.
8. the construction method of elevator sidewall reinforcing bar is installed in raft foundation as claimed in claim 1, it is characterised in that logical
Cross the side wall reinforcing bar that following steps lift the elevator using the truck crane:
The supporting leg of the truck crane is lifted, makes the wheel of the truck crane just liftoff;
By the side wall reinforcing bar of root lifting elevator, after being hung to the sidewall locations of elevator, tying up for the side wall reinforcing bar is manually carried out
Prick.
9. the construction method of elevator sidewall reinforcing bar is installed in raft foundation as claimed in claim 6, it is characterised in that also
Including:After the completion for the treatment of the side wall reinforcement installation, the truck crane is hung into the support backing plate using tower crane.
10. the construction method of elevator sidewall reinforcing bar is installed in raft foundation as claimed in claim 1, it is characterised in that:
The support jig is arranged at apart from the position of the elevator 10m~20m.
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CN110984170B (en) * | 2019-11-25 | 2021-07-16 | 上海水务建设工程有限公司 | Semi-automatic foundation pit steel support installation method and steel support installation auxiliary device |
CN115030205B (en) * | 2022-06-07 | 2024-04-26 | 上海城建市政工程(集团)有限公司 | Integrated rapid construction method for raft, water collecting well and elevator shaft of deep foundation pit |
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JP5877034B2 (en) * | 2011-10-31 | 2016-03-02 | 旭化成ホームズ株式会社 | Building construction method |
CN204920174U (en) * | 2015-06-26 | 2015-12-30 | 中天建设集团有限公司 | Elevartor shaft regularization operation platform |
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CN105421476B (en) * | 2015-11-30 | 2017-06-09 | 中国建筑第八工程局有限公司 | The construction method and mounting structure of tower crane built-in fitting are installed on raft foundation |
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