CN106185543A - In lowering or hoisting gear, attachment basis supports, with section, the construction method being connected - Google Patents
In lowering or hoisting gear, attachment basis supports, with section, the construction method being connected Download PDFInfo
- Publication number
- CN106185543A CN106185543A CN201610559222.6A CN201610559222A CN106185543A CN 106185543 A CN106185543 A CN 106185543A CN 201610559222 A CN201610559222 A CN 201610559222A CN 106185543 A CN106185543 A CN 106185543A
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- China
- Prior art keywords
- section
- basis
- attachment
- steel
- elevator
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
-
- 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
- E02D27/44—Foundations for machines, engines or ordnance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/80—Ground anchors
Abstract
The present invention relates to a kind of lowering or hoisting gear being attached to section, elevator is attached to section, described mounting structure includes: attachment basis, is erected on the sidepiece of section and is connected with the support of described section；Elevator, including king-post and the elevator that moves up and down along described king-post, described king-post is erected on the sidepiece on described attachment basis and is connected with described attachment base support.Use to support at section and attachment basis is set, utilize this attachment basis to provide attachment basis for elevator so that elevator can apply to section, provides transportation service for section.
Description
Technical field
The present invention relates to building structure field, in a kind of lowering or hoisting gear, attachment basis is connected with section support
Construction method.
Background technology
In construction, workmen and the transport of material for convenience, typically use outside building structure main body
Side arranges elevator, and elevator is connected to building structure main body by wall-attaching equipment.The building structure main body of this elevator attachment
Belonging to rule shape structure, arrange built-in fitting in building structure main body, then wall-attaching equipment is welded and fixed with built-in fitting, thus
Install elevator.For as section, the most irregular structure or the precipice of inclination, the wall-attaching equipment of elevator by
This section cannot be attached to so that use elevator to become problem at section in attached wall limited length.For different
Shape section part uses elevator to have employed lowering or hoisting gear, but becomes again need for adhering to the firm supporting on basis in lowering or hoisting gear
Problem to be solved.
Summary of the invention
It is an object of the invention to overcome the defect of prior art, it is provided that in a kind of lowering or hoisting gear, break with abnormity in attachment basis
Face supports the construction method connected, the problem solving to adhere to the firm supporting on basis in lowering or hoisting gear.
The technical scheme realizing above-mentioned purpose is:
In a kind of lowering or hoisting gear of the present invention, attachment basis supports, with section, the construction method being connected, including:
Arrange on ground and support the attachment basis being connected with section；
Holing at the attachment point of section, slip casting in anchoring piece is inserted the hole bored and in hole is so that anchoring
Part anchors into described section；
Anchor plate is fixed in the end of described anchoring piece；
Attached wall seat is set on described anchor plate；
It is fixedly installed wall-attaching equipment, by the end of described wall-attaching equipment and corresponding described attached wall seat in described attachment basis
Connect fixing；
Set up elevator, the king-post of described elevator is erected on ground, and support is connected to described attachment basis, by institute
The elevator stating elevator is installed on described king-post so that described elevator moves up and down along described king-post；
Steel platform is set up between top and the top of described section on described attachment basis；Described attachment basis
At top, surrounding outer wall is provided with stiffening plate, lays supporting steel plate, described supporting steel plate and described reinforcement on described attachment basis
Multiple stiffener it is provided with between plate；The top of described section is provided with pre-embedded steel slab；Described pre-embedded steel slab and described supporting steel
Plate is added is provided with girder steel；It is equipped with platform steel plate on described girder steel and forms described steel platform.
Section arranges anchoring piece, anchor plate and attached wall seat, it is provided that stablize firm attachment point, then utilize
Attachment basis is connected by wall-attaching equipment with section support, provides stable support for attachment basis, serves firm
Supporting role.Use to support at section and attachment basis be set, utilize this attachment basis to provide attachment basis for elevator,
Make elevator can apply to section, provide transportation service for section.
Further improvement is that of the construction method that in lowering or hoisting gear of the present invention, attachment basis is connected with section support,
Also include: described anchoring piece is welded with described anchor plate by reinforcing bar.
Further improvement is that of the construction method that in lowering or hoisting gear of the present invention, attachment basis is connected with section support,
It is fixedly installed wall-attaching equipment in described attachment basis, the end of described wall-attaching equipment is connected with corresponding described attached wall seat solid
Fixed, including:
First stay tube and second stay tube it is fixedly installed on the basis of described attachment；
Described first stay tube is arranged distant from mutually with described second stay tube connection end on section, and by institute
The end stating first stay tube and described second stay tube connects fixing with corresponding attached wall seat.
Accompanying drawing explanation
Fig. 1 is the side view that the present invention is attached to the lowering or hoisting gear of section；
Fig. 2 is the front view that the present invention is attached to the lowering or hoisting gear of section；
Fig. 3 is that the present invention is attached to installation foundation in the lowering or hoisting gear of section and is anchored in the structural representation on ground；
Fig. 4 is the structural representation of anchor pole in Fig. 3；
Fig. 5 is the structure that the present invention is attached in the lowering or hoisting gear of section that attachment basis is connected with section support
Schematic diagram；
Fig. 6 is the structural representation of anchoring piece in Fig. 5；
Fig. 7 is the structural representation that the present invention is attached in the lowering or hoisting gear of section attachment basis and attached wall part；
Fig. 8 is the top structure schematic diagram that the present invention is attached in the lowering or hoisting gear of section adhere to basis；
Fig. 9 is the top structure top view that the present invention is attached in the lowering or hoisting gear of section adhere to basis.
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
The invention provides attachment basis in a kind of lowering or hoisting gear and support, with section, the construction method being connected, be used for carrying
The stability of strutting system on high attachment basis.Section arranges anchoring piece, anchor plate and attached wall seat, it is provided that stable firm
Attachment point, then utilizes wall-attaching equipment will adhere to basis and is connected with section support, provide stable propping up for attachment basis
Support, serves firm supporting role.Refering to Fig. 1, it is shown that the present invention is attached to the side view of the lowering or hoisting gear of section.
Need that elevator is installed at the construction field (site) to realize from the top of section to bottom transport material and workmen, but due to different
Shape section angle of inclination is big, surface irregularity, it is impossible to provide installation foundation, and the attached wall limited length of elevator for elevator,
Cannot be supported on section.The present invention is attached to the lowering or hoisting gear of section and uses setting to be supported in the attached of section
Basis, as the basis of installation elevator, elevator is attached to attachment basis, it is ensured that the installation of elevator is firm and use is pacified
Entirely.This attachment basis can be standard section of tower crane, pour xoncrete structure or steel structural upright column etc., the king-post of elevator
Fixing with using attached wall part to be connected between attachment basis, this attached wall part is configured at certain intervals, and king-post has been effectively ensured
Steadiness.It addition, for convenience of the use of elevator, be provided with steel between top and the top of section on attachment basis and put down
Platform, forms walkway, provides transport convenient for workmen and material etc..Below in conjunction with the accompanying drawings the present invention is attached to abnormity
Lowering or hoisting gear and the method for section illustrate.
Refering to Fig. 1, it is shown that the present invention is attached to the side view of the lowering or hoisting gear of section.Below in conjunction with Fig. 1 to this
Invention is attached to the lowering or hoisting gear of section and illustrates.
As it is shown in figure 1, the present invention is attached to the lowering or hoisting gear of section, for elevator 30 is attached to section
10, this section 10 is declivity in the present embodiment, and the angle of inclination of this declivity is relatively big, the top and bottom of this declivity it
Between horizontal range up to 21 meters.The present invention is attached to the lowering or hoisting gear of section and includes attachment basis 20 and elevator 30, attached
Basis 20 be erected on the sidepiece of section 10 and be connected with supporting between section 10, elevator 30 includes king-post 301
With the elevator 302 moved up and down along king-post 301, king-post 301 is erected on the sidepiece on attachment basis 20 and and adheres between basis 20
Support and connect.On the ground 60 of the bottom that attachment basis 20 and king-post 301 are located at section 10, at ground 60, it is provided with base
Plinth structure 50, is provided with anchor pole 501 between this base structure 50 and ground 60.Pass through between attachment basis 20 and section 10
Wall-attaching equipment 206 realizes supporting and connects, and the attachment top of 20, basis and the top shelf of section 10 are provided with steel platform 40, and steel is put down
Platform 40 act as walkway, by the elevator 302 of the transport of materials on section top to elevator 30, by elevator 302
Move downward along king-post 301 and transport to the ground 60 of the bottom of section 10.
Attachment basis 20 can be standard section of tower crane, pour xoncrete structure or steel structural upright column, at the present embodiment
In, it is preferred to use standard section of tower crane, after construction terminates, the convenient dismounting of this standard section of tower crane, and can also continue to use.Elevator
The king-post 301 of 30 is provided with guide rail, and elevator 302 is installed on guide rail, moves up and down along guide rail.
Refering to Fig. 2, it is shown that the present invention is attached to the front view of the lowering or hoisting gear of section, shown in Fig. 2,
The lowering or hoisting gear that the present invention is attached to section illustrates.
As in figure 2 it is shown, as a better embodiment of the present invention, lowering or hoisting gear includes two elevator 30, this attachment
The both sides on basis 20 are respectively provided with an elevator 30.The both sides on attachment basis 20 are equipped with elevator 30 so that attachment basis
The stress equalization of 20, it is ensured that the stable connection between elevator 30 and attachment basis 20, it is ensured that construction safety.The tower of elevator 30
Post 301 is fixed on the side on attachment basis 20 respectively by attached wall part 303, and attached wall part 303 realizes king-post 302 support and is connected to attached
Basis 20, attachment basis 20 and king-post 301 are erected on ground 60 respectively, are provided with base structure 50 at ground 60,
Base structure 50 realizes anchor connection by anchor pole 501 and ground 60, provides solid base for attachment basis 20 and king-post 302.
Shown in Fig. 3, according to elevator 30 and the Calculation and Analysis of Force on attachment basis 20, design is satisfied supports the base structure required
50, wherein mutually it is anchored between base structure 50 and the base structure 50 of king-post 302 on attachment basis 20, forms an entirety.
Being provided with anchor pole 501 in this base structure 50, anchor pole 501 one end anchors into ground, and it is internal that the other end anchors into base structure 50, it is achieved that
Between base structure 50 and ground 60, anchoring is stably connected with.Shown in Fig. 4, when anchor pole 501 is set, hole prior to ground 60,
Then anchor pole 501 inserted in boring and on ground, expose one section of anchoring section, in boring, injecting cement mortar 503, be
Anchoring section at ground arranges anchor plate 502, after cement mortar 503 solidifies, it is achieved that one end of anchor pole 501 anchors into ground.Anchor
The anchoring section of bar 501 is fixed with the reinforcing bar binding of laying in base structure 50, then during casting concrete basis of formation structure 50,
The anchoring section of anchor pole 501 has just anchored in base structure 50.
Shown in Fig. 5, it is shown that the present invention is attached in the lowering or hoisting gear of section attachment basis and section
Support the structural representation connected.Below in conjunction with Fig. 5, the present invention is attached in the lowering or hoisting gear of section attachment basis and
Section supports attachment structure and illustrates.
As it is shown in figure 5, attachment basis 20 is connected by realizing between wall-attaching equipment 206 with section 10 supporting, this is attached
Wall device 206 is connected by the attached wall seat fixing with section 10 surface, and attached wall seat is arranged at and is connected with wall-attaching equipment 206
Attachment point, arranges multiple anchoring piece 103 at the attachment point of section 10, and shown in Fig. 6, the way of anchoring is in anchoring
Position boring, then anchoring piece 103 is inserted post-infusion cement slurry 1031 and anchors, this anchoring piece 103 in boring end
Arranging anchor plate 104, weld in the junction of anchoring piece 103 and anchor plate 104, the height of weld seam 1041 is 6mm.This is attached
And be fixed with attached wall seat on the anchor plate 104 of the multiple anchoring pieces 103 at point, this attached wall seat is connected fixing with wall-attaching equipment 206.
Wall-attaching equipment 206 includes multiple supporting steel pipe, and supporting steel pipe skewed horizontal load is between attachment basis 20 and section 10. preferably
Ground, wall-attaching equipment 206 includes first stay tube and second stay tube, and one end of second stay tube of first stay tube is fixed on attached
On basis 20, the other end is remotely connected on the attached wall seat on section 10 mutually, it is achieved that attachment basis 20 company of support
It is connected to section 10.
Refering to shown in Fig. 7, it is shown that the present invention is attached in the lowering or hoisting gear of section attachment basis and attached wall part
Structural representation, shown in Fig. 7, is attached in the lowering or hoisting gear of section attachment basis and attached wall part to the present invention
Structure illustrate.
As it is shown in fig. 7, interval is fixed with attached wall part 303 on king-post 301, it is fixedly connected on adherance by attached wall part 303
Plinth 20, the position of the corresponding attached wall part 303 in attachment basis 20 arranges fixture 204, and this fixture 204 includes two root type steel parts 2042
With many securing members 2041, by securing member 2041, two root type steel parts 2042 are anchored on the outside on attachment basis 20.Shaped steel part
Being fixed with connection otic placode 205 on 2042, this connection otic placode 205 is connected fixing with attached wall part 303, it is achieved that by attached wall part 303
It is connected with king-post 301 and the fixing of attachment basis 20.The two ends of securing member 2041 are provided with screw rod, corresponding screw rod on shaped steel part 2042
Offering through hole, the screw rod at these securing member 2041 two ends wears the through hole on corresponding shaped steel part 2042 respectively, is screwed togather by nut
Two root type steel parts 2042 are strained by fastening so that two root type steel parts 2042 are fixedly clamped in the outside on attachment basis 20.Preferably
Ground, the length of securing member 2041 is identical, by the screw rod on securing member 2041 by shaped steel part 2042 with the length on attachment basis 20
When screwing togather fastening, shaped steel part 2042 end being resisted against securing member 2041 tightly, the end of securing member 2041 type to both sides
Steel part 2042 serves certain supporting role, and this securing member 2041 preferably shaped steel part, can be angle steel, it is also possible to for groove
Steel, the two ends of shaped steel part are respectively welded and are fixed with screw rod.Shaped steel part 2042 can be angle steel, can be channel-section steel.
This attached wall part 303 includes that bar shaped frame 3031 and ladder-shaped frame 3032, bar shaped frame 3031 one end pass through with ladder-shaped frame 3032
Bolt is fastenedly connected, and bar shaped frame 3031 is connected with the minor face of ladder-shaped frame 3032, the other end and king-post 301 company of being fastened by bolts
Connect.The other end of ladder-shaped frame 3032, the namely base of ladder-shaped frame 3032, the both sides on base are installed with installing plate respectively, this peace
Connecting rod, the connection otic placode 205 on connecting rod correspondence attachment basis 20, connecting rod and engaging lug it has been fastened by bolts on dress plate
Plate is involutory and is bolted connection.On king-post 301, an attached wall part 303 is set at interval of 6 meters to 9 meters, use bolt and
Pin by attached wall part 303 respectively be connected otic placode 205 and king-post 301 couples together, provide a supporting role for king-post 301.
Refering to Fig. 8, it is shown that the present invention adheres to the top structure schematic diagram on basis, refering to Fig. 9, it is shown that in the present invention
The top view of the top structure on attachment basis.Below in conjunction with Fig. 8 and Fig. 9, the top structure adhering to basis in the present invention is carried out
Explanation.
As shown in Figure 8 and Figure 9, the surrounding outer wall at the top on attachment basis 20 is provided with stiffening plate 201, this stiffening plate 201
It is welded on attachment basis 20 by plug welding hole 2011, is provided with screw rod 2012 between corresponding stiffening plate 201, and passes through screw rod
2012 are fastenedly connected so that the stiffening plate 201 clamping attachment basis 20 of opposite sides.The top on attachment basis 20 is equipped with support
Steel plate 202, arranges multiple stiffener 2013 between supporting steel plate 202 and stiffening plate 201, girder steel 203 is set up in supporting steel plate 202
On, and be welded and fixed with supporting steel plate 202, this girder steel 203 and the connected mode adhering to basis 20 so that 20, attachment basis
Bear vertical pressure, it is provided that the security and stability on attachment basis.Such method of attachment so that stress spreads downwards biography
Pass, effectively solve to produce at connecting joint point the situation of stress rupture.Shown in Fig. 1, top and the abnormity on attachment basis 20 break
The top in face 10 is provided with steel platform 40, and the top of section 10 is provided with retaining wall, arranges pre-embedded steel slab in this retaining wall,
Girder steel 203 is set up on supporting steel plate 202 and pre-embedded steel slab, and in the bottom of girder steel 203 respectively with supporting steel plate 202 and pre-
Burying Plate Welding to fix, steel platform 40 includes girder steel 203 and platform steel plate, and platform steel plate is layed on girder steel 203, and and steel
The junction of beam 203 is welded and fixed, and is connected top and the top on attachment basis 20 of section 10 by steel platform 40, is formed
Walkway.
Girder steel 203 and the connected mode adhering to basis 20, the compared to existing technology connected mode of middle girder steel, as the edge of a wing is welded
Or the bolted and welded connection of web bolt, the following defect that existing girder steel connected mode exists can be solved: girder steel is to attachment
Basis not only produces pressure also can produce moment of flexure, and connect easily produce at node destruction, weld seam or solder joint easily disconnect, split logical
Deng, there is potential safety hazard.The present invention is to ensure to adhere in building hoist the security and stability between basis 20 and girder steel 203,
Girder steel 203 is used to use the connected mode of overlap joint with attachment basis 20 so that attachment basis 20 is solely subjected to vertical pressure, it is provided that
Attachment basis 20 and the safety and stability of mounting structure entirety, take overlapping mode to pass through the diffusion transmission of stress, effectively simultaneously
Solve the stress rupture situation connected at node.
The present invention is attached to having the beneficial effect that of the lowering or hoisting gear of section
Use elevator to be attached to the frame mode on attachment basis, solve elevator and cannot be supported in asking of section
Topic, and when this structure is set, the bearing capacity on attachment basis has been carried out corresponding calculating, has met construction requirement, there is safety guarantee.
Employing by attachment basis so that the mounting structure of elevator has simple feature.
Elevator with attachment basis be connected by attached wall part and coordinating of fixture realizes, attached wall part is on fixture
Channel-section steel apply pulling force, the angle steel on fixture is located at the effect that channel-section steel plays between two channel-section steels support, can be offset both sides
Pulling force, reduce attachment basis tension, it is ensured that the stability on attachment basis, and attached wall part and the attachment structure of fixture
Easy for installation, stabilized structure, effectively ensure that the overall steadiness of elevator.
The top on attachment basis and the top of section are provided with steel platform, use as walkway, it is provided that from disconnected
Top, face, to the passage of elevator, facilitates passing through of people and goods.This steel putting up platform is in attachment basis and section pre-
Bury between steel plate, weld with attachment basis and pre-embedded steel slab respectively, this mode set up so that steel platform is basic and pre-to attachment
Bury steel plate and the most only produce pressure so that attachment basis is subjected only to pressure, improves the safety and stability on attachment basis, this pressure simultaneously
By overlap joint diffusion transmission, reduce the stress rupture for pad.
Attachment basis is connected with using wall-attaching equipment realization support between section, realizes adherance by wall-attaching equipment
Effective support of plinth, for guaranteeing that the support of wall-attaching equipment consolidates, section is provided with multiple anchoring piece at attachment point, effectively
Improve the steadiness of support.
The installation method of the lowering or hoisting gear that the present invention is attached to section includes:
Shown in Fig. 1, attachment basis 20 is set on ground 60, attachment basis 20 is supported and is connected to section
10；Sidepiece then at attachment basis 20 sets up elevator 30, and the king-post 301 of elevator 30 is erected on ground 60, and the company of support
It is connected to attachment basis 20, then the elevator 302 of elevator 30 is installed on the guide rail of king-post 301 so that elevator 302 can be along tower
Post 301 moves up and down.Use attachment basis to depend on section, solve section angle of inclination big, it is impossible to for elevator
Directly providing the problem supported, attachment basis can be that elevator provides good brace foundation, it is achieved the safety fortune of elevator
OK.
The installation method of the lowering or hoisting gear that the present invention is attached to section also includes: arrange attachment basis 20 and king-post
The base structure 50 of 301, the both sides on attachment basis 20 are respectively arranged with king-post 301, and this base structure 50, before arranging, needs elder generation
Calculate attachment basis 20 and the stressing conditions of elevator 30, according to force analysis design basis structure 50.Below to adhere to basis
20 use as a example by standard section of tower cranes, carry out Calculation and Analysis of Force:
Standard section of tower crane checks, and by force analysis, people's goods elevator is by a pair couple produced by its attached wall part
Moment of torsion acts on standard section of tower crane, by people's provided formula of goods elevator description:
L=2600, B=1425 in scheme, by can be calculated: F=53.40KN
Therefore torque T=F × B produced by this couple, calculate and understand T=53.4KN × 1.425m=76.10KN.m.
Owing to people's goods elevator is arranged in standard section of tower crane both sides, old friend's goods elevator is to moment of torsion produced by standard section of tower crane
For:
76.10KN.m × 2=152.20KN.m≤269.3KN.m, in the field of load of standard section of tower crane, so tower crane
Standard knot meets requirement as the elevator 30 of attachment base support both sides.
Standard section of tower crane fundamental analysis calculates, and by analyzing, people's goods elevator only passes through people's goods elevator attached wall part to tower
Hang standard knot and produce moment of torsion, and≤T=269.3KN.m, and people's goods elevator nominal load capacity is 2 × 2000kg, i.e. cheats roof panel
On act on maximum, force≤4 × 2000 on standard section of tower crane × 10=80KN≤Fv=511.2KN, if therefore standard section of tower crane base
If plinth meets force request during TC5610 tower crane routine normal operation, necessarily also meet force request necessary to this scheme.
Being drawn by computational analysis, standard section of tower crane key dimension is: 4m × 4m × 1.5m, and arrangement of reinforcement is: HRB400 φ 14@150 is double-deck
Two-way.
Lifter foundation bearing capacity calculation: cage weight: 1500 × 2=3000kg, fence weight: 1170kg, guide rail bracket
Gross weight (needs 40 joints) altogether: 40 × 170=6800kg, loading capacity (double cage): 2 × 2000kg, adds up to: 14970kg.
Wall-attached frame, power cable, the weight such as crinoline, steel wire rope, headstock securing member accounts for guide rail bracket gross weight
35% meter 2380kg.Taking safety coefficient is 2.
P=(14970+2380) × 0.02=379.4KN, by data above, this basis maximum is born pressure and need to be met
379.4KN.Note: the earth bearing strength that ground can carry must meet 0.1Mpa.
Understand as the basis born made by maximum pressure 379.4KN multiple according to the provided description of building hoist unit
The requirement of this elevator of core.Only need to be met bearing pressure requirement owing to calculating basis, therefore this basic calculation model is chosen
Independent column's spread foundation is that computation model carries out calculating design.Result of calculation is 4m × 2.8m × 0.5m, and arrangement of reinforcement is HRB400
φ 12@150 double-layer double-direction.
By above-mentioned analysis, base structure 50 includes standard section of tower crane basis and lifter foundation, this tower crane standard
Joint key dimension is 4m × 4m × 1.5m, lifter foundation a size of 4m × 2.8m × 0.5m.
Shown in Fig. 3 and Fig. 4, the construction method of base structure 50 includes:
Measurement and positioning, clears up in setting position；Anchor pole 501 is set and anchors into ground, and reserved anchoring on ground
Section；Assembling reinforcement, and anchoring section is fixed with adjacent reinforcing bar binding；Template, casting concrete, basis of formation structure are set.
Assembling reinforcement construction requirement is as follows, 1) arrangement of reinforcement is the Double Faces to Install；Stirrup reinforcing bar uses the reinforcing bar system of HRB400 φ 10
Make；2) thickness of protection tier 50mm, uses stone material cushion block, cushion block spacing 500 × 500mm, and blossom type is arranged；3) reinforcing bar must not
Cutting off, at pre-embedded bolt, bar spacing local directed complete set walks around reserved location；4) people's goods elevator basis and standard section of tower crane basis
Reinforcing bar is mutually anchored, and makes basis constitute an entirety.
Should be noted during concrete construction: 1) base concrete: underlying strength grade is according to design computation structure, unified selection
C35 concrete.2) vibrate: concrete is with spreading out and putting on vibrating, and wooden darby strikes off plasterer's trowel along slope and extrudes water light, near balcony relatively far-end
High 2～3cm.3) maintenance: the situation of paving plastic foil moisture-keeping maintaining, and apparent temperature immediately repaves 1～2 layer of insulation straw screen or mat quilt, maintenance
Time is 14 days.
In anchor pole 501 construction, bolthole diameter takes 3 times of anchor pole muscle body diameter, but the anchor pole muscle body not less than 1 times adds
50mm.Anchor pole muscle body inserts the length of base structure, should meet the anchorage length requirement of reinforcing bar.Anchor pole muscle body uses hot-rolled ribbed
Reinforcing bar, strength of cement mortar the most preferably less than 30MPa, pea gravel concreten intensity is not less than C30.Before grouting, by dry for bolthole cleaning
Only.In the present embodiment, 20 rock-bolts of design altogether, anchor rod effective length 7.0m and 9.0m, wherein outside uses the longest
The anchor pole of degree 7.0m, the internal effective length 9.0m anchor pole that uses, protruded length about 1.5m, quincunx it is arranged symmetrically with.
The pull out force that in anchor rod foundation, single anchor rod is born, should be checked by following equation:
Wherein: FkDuring corresponding to the standard combination acted on, act on the vertical force on the end face of basis, take here
379.4kN。GkBasis deadweight and soil deadweight thereon, take 1693.4kN here.Mxk、MykStandard combination by effect
Calculate the moment values acting on the bottom of foundation centre of form, symmetrical due to load here, and basis is symmetrical, so, the two is 0,
The most all rockbolt stress are it is believed that identical.RtSingle anchor rod anti-pulling capacity eigenvalue, takes R heret=fkA=
400000×3.14×0.0252÷ 4=196.25kN, RkAnchor rod ultimate anti-pulling capacity standard value, takes R herek=π d
∑qsk,ili=3.1416 × 0.1 × 180 × 7=398.84kN, brings formula into:
Safety coefficient is 5.
Due toTherefore needs are met.
The design of anchor pole 501 is summarized: selecting the finish rolling deformed bar rod body material as anchor pole of Φ 25, anchor pole aperture is
Anchor pole Φ 100mm, body of rod effective length is 7.0m, 9.0m, body of rod protruded length be 1.5m (actual protruded length because of in view of with
In basis, colligation unified by reinforcing bar), Anchor Agent mainly uses cement mortar.Anchor pole presses 90 ° of settings.This people's Cargo Lift and tower crane standard
After joint strengthening of foundation anchor bolt construction, first fix with anchor plate with nut, when follow-up concrete foundation is constructed, anchor plate
Reclaiming, anchor rod body is unified colligation with reinforcing bar in basis and is fixed.
Anchor bolt construction process: 1) rig is in place, according to site operation situation, makes full use of field condition, and rig is installed and is wanted
Seek level, consolidate, should check at any time during executing brill.2) creep into mode, boring use D100 rig pore-forming, penetration rate according to
Use rig performance and anchoring stratum strictly to control, prevent boring distortion and reducing, cause cast anchor difficulty or other contingency.
3) drilling process, performs site operation record to situations such as the states of creeping into (the pressure of the drill, drilling speed).As bad in collapse hole etc. creep into phenomenon
Time, must stop immediately to bore, carry out grouting for braced wall process (grouting pressure 0.3～0.5MPa) in time, after cement mortar initial set, again sweep
Hole drill enters, to guarantee that attachment point anchor force meets requirement.4) aperture hole depth, boring aperture, hole depth are not less than design load, and aperture is inclined
Difference≤± 20mm, hole depth tolerance is+200mm.For guaranteeing bolthole diameter, it is desirable to actually used bit diameter cannot be less than
Design aperture.For guaranteeing the bolthole degree of depth, it is desirable to the actual borehole degree of depth is more than more than projected depth 0.1m.5) bolthole cleaning,
Creep into after reaching projected depth, it is impossible to stop immediately to bore, it is desirable to steady brill 1～2 minute.Borehole wall must not have heavy quarrel and water body to glue
Stagnant, it is necessary to clean out, after boring completes, use pressure-air (blast 0.2～0.4MPa) to be removed by rock dust in hole and portal
Outward, in order to avoid reducing the adhesion strength of cement mortar and hole wall Rock And Soil.6) anchor bar body makes and installs, this common bolt body of rod
Using diameter 25mm essence to prick spiral, bore diameter 100mm, 90 ° of angles are arranged.Common bolt along anchor pole axis direction every
1.0m arranges one group of reinforcing bar to medium-height trestle, it is ensured that the protective layer thickness of anchor pole is not less than 25mm.The employing mopping of dowel tail end anticorrosion,
The anti-corrosion measures such as oiling process.Before installation, it is to be ensured that every reinforcing bar is straight, eliminate rust, degrease, the most conscientious before anchor bar body is installed
Verification anchor hole numbering, confirm errorless after use high-pressure blast aperture blowing again, manually slowly anchor bar body is put into hole, with steel ruler measurement hole outside
The rock-bolt length exposed, calculates rock-bolt length in hole (error control ± 50mm in the range of), it is ensured that the effective length of anchor pole.7)
Slip casting, common bolt uses total length slip casting, and during slip casting, elder generation's high velocity, low pressure is from the beginning of at the bottom of hole, when cement mortar is after aperture is overflowed,
Low speed heavy pressure is from aperture slip casting again.It is discontented with as once noted or after slip casting, produces sedimentation, supplementing slip casting, till filling.Slip casting
Pressure is 0.3～0.5MPa, and grouting amount must not be less than amount of calculation, and injecting paste material selects P.O42.5 Portland cement with thin
The uniform mixing of sand material, slurry strength grade is 30MPa.Grouting pressure, slip casting quantity and slip casting time are according to the volume of anchoring body
And anchoring strata condition determines.8) anchor plate, sealing off and covering anchorage are installed, according to the scar situation of orifice area, before installation, cut table in advance
The weathered rock of layer, and use mortar levelling.Guarantee during installation that anchor plate contacts closely knit with screed-coat after plate, use yellow ground if desired
Filling gap therebetween.After anchor plate installation, pad, nut, fastening nut after injecting cement paste reaches intensity are installed.According to anchor
The diameter of phi 25mm essence of bar reinforcing bar pricks spiral, and the open pore size of anchor plate need to meet and can pass perforate hole and can anchor to
On anchor plate, this anchor plate open pore size is fixed tentatively as Φ 30mm；Exposing anchor pole reinforcing bar need to be with the basic part steel of subsequent construction
It is firm that muscle unifies colligation.
After setting up base structure 50, attachment basis 20 is set on base structure 50, uses tower with attachment basis 20
Illustrate as a example by hanging standard knot, select Zhong Lianchong section produce TC5610 column crane mast section as attachment basis 20,
For elevator 30 provide support, select 80t crane lifting TC5610, installation steps include, 1, tower crane is fixed base pitch install
It is located on tower crane, with pre-buried anchor foot, tower crane is fixed base pitch and be connected and fixed with tower crane.2, adjustment tower crane is measured solid
Determine levelness and perpendicularity≤1 ‰ of base pitch.3, the standard knot EQ that saves a length of 2.8m is arranged on tower crane to fix on base pitch.Will
The one standard knot E saving a length of 2.8m is arranged on the most mounted standard knot EQ.4, repeat standard knot E is installed, until tower crane peace
Install into.5, mounting technique test and examination are then carried out.
The installation method of the lowering or hoisting gear that the present invention is attached to section also includes, wall-attaching equipment is passed through on attachment basis 20
206 support connection section 10, shown in Fig. 5 and Fig. 6, including:
Multiple anchoring piece 103 is anchored at the attachment point of section 10；
Anchor plate 104 is fixed in the end of multiple anchoring pieces 103；
Attached wall seat is set on anchor plate 104；
On attachment basis 20, be fixedly installed first stay tube and second stay tube, first stay tube and second stay tube in
Connection end on section 10 away from, by the end of first stay tube and second stay tube respectively with corresponding section
Attached wall seat on 10 connects fixing.
For guaranteeing the steadiness on attachment basis 20, the strong point position on section 10 arranges anchoring piece, and in phase
The levelling section of concrete is sprayed, it is ensured that the uniform force of the strong point in the range of Ying.The angle that anchors into of anchoring piece is set to 19 degree, anchoring piece
Axial tension standard value and design load can be calculated as follows:
Na=rQNak, Nak--anchor pole axial tension standard value (KN) in formula, Na anchor pole axial tension
Design load (KN), horizontal pull standard value (KN) suffered by Htk anchor pole, take attached wall part maximum axial value of thrust 189.13kN；a—
Anchor pole inclination angle (°), rQ partial safety factor for load, desirable 1.30, obtain Na=260KN, requirement can be met.Anchoring piece steel area
Amass and should meet following formula requirement:A in formulaSAnchor pole reinforcing steel area ()；ξ2Dowel tension working condition system
Number, provisional anchor pole takes 0.92；γ0Slope project important coefficient；fyDowel tensile strength design load (KPa).Solve AS
=9.0839 × 10-4.Showing that anchoring piece muscle body need to select diameter to be more than 28.9mm, therefore, this anchoring piece body of rod is intended selecting Φ
32 regular screw threads steel.Anchoring piece should meet following formula requirement with the anchoring depth on stratum,1a anchor in formula
Gu segment length (m), this anchor pole is full length fastening；D anchoring body diameter (m), the bore diameter of this anchor pole is anchoring body
Diameter, boring aperture Φ 100mm.According to relatively hard rock, frb stratum and anchoring body adhesion strength eigenvalue (KPa), consider that frb takes
600KPa.ξ 1 anchoring body and soil layer bonding service factor, take 1.33 to interim anchor pole.Solve anchoring depth to take
8.5m, each attachment point arranges 4 anchoring pieces, can meet anchor force requirement.The Preliminary design overview of anchoring piece, selects Φ's 32
Regular screw threads reinforcing bar is as the rod body material of anchoring piece, and body of rod effective length is 8.5m, and body of rod protruded length is 0.5m, Anchor Agent
Mainly use cement grout.Consider that anchor pole is perpendicular to precipice domatic, by 19 ° of settings.According to precipice present situation scar cranny development feelings
Condition and precipice fluctuating situation, anchor plate steel plate is 800mm × 600mm × 30mm steel plate, can be according to precipice fluctuating present situation piecemeal
Install.
Section 10 arranges the construction method of anchoring piece 103 and the construction of anchor rod 501 of constructing at ground 60
Method is identical, and difference is, after the construction of last anchoring piece 103, by four anchoring pieces 103 at attachment point by 4 Φ
Anchoring piece 103 is welded and fixed by the reinforcing bar of 12 with anchor plate 104, and weld bead height is 6mm.In section construction anchoring procedure, to the greatest extent
Amount utilizes field condition to provide work surface, when not possessing the situation in construction working face, sets up scaffold construction platform, for section
Construction anchoring provides basis.
Scaffold construction:
(1) material of scaffold
Scaffold uses ф 48.3 × 3.6 steel pipe, and it is smooth that steel tube surface is straight, should not have crack, scab, be layered, misplace,
The most curved, burr, impression and have road plan deeply above for 0.5mm.Yellow paint unified by steel pipe, and bridging is yellow black warning coloration.Pull-up
Rod member uses ф 25 round steel.Fastener uses the supporting right-angle coupler of ф 48.3 steel pipe, turns to fastener and to clasp.The matter of fastener
Amount should meet the regulation of national standard " steel tube scaffold clasp " GB15831, and old fastener should carry out quality examination before using, and has and splits
Seam, deformation forbid use, occur that the bolt of stripped thread must be changed.Newly, old fastener all should carry out anti-embroidery process.Scaffold board uses
The bamboo fence board that Phyllostachys pubescens Mazei ex H.de Lebaie makes, forbids to use bamboo basketry mildew and rot, that rotten, rupture strength is low.Dense mesh screen uses flame retardant type Dense mesh screen, often
No less than 2000 mesh on the area of 100cm2.
(2) distribution of scaffold
According to engineering characteristic and construction requirement, this engineering uses lands multiple rows of scaffold attached wall successively contraction type and sets up, with
Guarantee to meet the safety of engineering, quality, schedule requirement.The uniform live load of scaffold is pressed structure construction scaffold and is considered, construction
Evenly load value is 3.0kN/m2, no over-loading during use.Scaffold operating surface and side slope distance are 400mm, in scaffold
Vertical rod such as more than 400mm, inside chooses protection from side slope distance, it is ensured that from hole span from 400mm.
(3) the multiple rows of scaffold of console model fastener steel tube:
1) bottom people's Cargo Lift hole, the support attachment point position of position is set up and is landed double tube-legs hand cradle, double vertical rods height 6m. foot
Hand cradle advance 1.0m, 45 ° of transfers are 1.0m, step pitch 1.8m, set up along people's attached wall of the Cargo Lift strong point.
2) being 71 ° of slopes due to side slope, support body shrinks according to the rolling shape of precipice.
3) drawknot point is arranged:
1. the drawknot at precipice position: the reinforced anchor bolt setting up the degree of depth 0.5 to the 1.0m degree of depth at precipice position does fulcrum, with frame
Body steel-pipe welding, intends every 3 meters and highly arranges one anchor pole drawknot.2. top drawknot: intend arranging steel wire rope from grade beam position, top, precipice
Drawknot is to the corresponding drawknot point of bottom support body.Intend every 6 meters and one steel wire rope drawknot is highly set.
(4) landing leg hand cradle construction requirement:
1) operating procedure: ground under the most smooth scaffold tubes feet；2. scaffold tubes feet is laid；3. vertical rod simultaneously laying
Sweep the floor bar；4. horizon bar is set up；5. bridging and interim drawknot are set up；6. railing, skirting board are installed；7. paving bamboo basketry；8. hang close
Mesh net；9. security protection is set up.
2) requirement of vertical rod brace foundation is landed:
1. pouring the concrete layer of 100mm on ground basal plane, ground must be smooth；2. on smooth ground, lay scaffold tubes pad
Foot, feet uses 8# channel-section steel, and scaffold tubes feet all should accurately be placed on the line of location, and base answers bracing wire straightening.3. bottom 6m height
Use double vertical rod, in vertical rod scaffold tubes to be seated in feet, scaffold tubes feet length not less than 2 across.
3) vertical rod is set up and should be met the following requirements:
1. the steel pipe that external diameter is different should not be used in mixed way；2. landing leg hand cradle vertical pole's span 1.0m, transfer 1.0m, interior vertical rod
Away from hole wall 0.4m, the reliable side slope of interior vertical rod；3. vertical rod must be specified by arrangement and method for construction advance and transfer are set up, when interior vertical rod away from
When side slope distance is more than 400, uses little cross bar to lengthen to side slope direction, add diagonal brace.
4) vertical equity bar is set up and should be met the following requirements；
1. vertical equity bar is arranged on inside vertical rod, the length of steel pipe preferably less than three across；2. vertical equity bar uses straight
Angle fastener is fixed on transverse horizontal bar, spaced set, and spacing is 0.25～0.3m；3. vertical equity bar uses clasp
Connecting, the joint of two adjacent vertical equity bars should not be arranged on synchronization or with across interior, asynchronous or difference is adjacent across two
The distance that head staggers in the horizontal direction is not less than 50mm, and the distance of each connector center to nearest host node should be less than the 1/3 of advance；
5) set up bar of vertically and horizontally sweeping the floor should meet the following requirements:
1. must be provided with a transverse horizontal bar at host node, with right-angle coupler snapping and forbid remove.At host node two
The centre-to-centre spacing of individual right-angle coupler is not more than 150mm.Bar of vertically and horizontally sweeping the floor should be set at the base of every vertical rod upwards 200mm, use
Right-angle coupler is fixed with vertical rod；2. transverse horizontal bar at non-master in work layer, according to the spacing of the needs of supporting bamboo basketry
Arranging, maximum spacing is not more than the 1/2 of advance；3. transverse horizontal bar is located at the lower section of vertical equity, all vertical rods and vertical equity
Bar intersection must be provided with a transverse horizontal bar, forbids arbitrarily to remove；
6) set up bridging should meet the following requirements；
1. the full facade of bridging is arranged continuously, and layout should be uniform, and bridging steel pipe answers bracing wire to set up, with outer vertical rod junction
All it is connected with vertical rod with rotary buckle.2. bridging is arranged on outside scaffold upright rod, and rod member joint uses overlap joint to connect, and it is taken
Meet a length of 1000mm, fix no less than 3 rotary buckles, constant spacing 1000mm.3. per pass bridging leap vertical rod should be
4-6 root, is 45 ° of-60 ° of angles with vertical equity bar.
7) wall-connecting piece should meet the following requirements
Wall-connecting piece should be near host node, and the distance of deviation host node is not more than 300mm, as host node distance concrete layer balances greatly
In 300mm, at interim drawknot, little cross bar is set with inside and outside vertical rod junction.
Wall-connecting piece is Tong Bu with scaffold building to be arranged.
8) set up railing should meet the following requirements:
1. the height 1.2m of railing, lower rail height 0.6m are gone up；2. foot guard plate uses nine clamping plate to make, and is painted point
Color, highly 0.2m；3. go up railing, lower rail, foot guard plate are each provided at the inner side of outer vertical rod.
9) bamboo basketry scaffold board is transversely to the machine direction the laying of horizon bar direction by its main bamboo reinforcement, and uses docking tiling, four angles
The zinc-coated wire of application diameter 1.2mm is fixed on vertical equity bar.Bamboo is repaved after must adding twice neck between inside and outside leger
Basketry.The full paving of bamboo basketry every layer is together.
10) fastener is installed and should be met the following requirements:
1. fastener specification must be identical with outer diameter of steel pipes；2. bolt tightens torsional moment not less than 40N.m, and is not more than
65N.m；3. the right-angle coupler of fixed lateral horizon bar, vertical equity bar, bridging, horizontal diagonal brace etc., rotation at host node
The mutual distance of the central point turning fastener is not more than 150mm；4. docking fastener openings is upward or inwardly；The most each rod member termination is stretched out
The length of fastener side edge thereof is not less than 100mm.
After attachment basis 20 is attached to section 10, the king-post of elevator 30 is set then at the both sides on attachment basis 20
301, king-post 301 is supported by attached wall part 303 and is connected to attachment basis 20, specifically include: combine shown in Fig. 2 and Fig. 7, install
While king-post 301, interval arranges attached wall part 303, arranges fixture in the position of the corresponding attached wall part 303 in attachment basis 20
204, fixture 204 is set and includes:
Angle steel 2041 is provided, screw rod is respectively welded in the two ends of angle steel 2041 and exposes one section and screw togather end；By angle steel
2041 are erected on attachment basis 20, and the two ends correspondence of angle steel 2041 connects the position of the attached wall part 303 on king-post 301；
Thering is provided two channel-section steels 2042, channel-section steel 2042 is provided with through hole and connects otic placode 205, is worn by the screw rod on angle steel 2041
Cross correspondence channel-section steel 2042 on through hole, screwed togather by nut expose screw togather end, two channel-section steels 2042 are anchored on angle steel
The two ends of 2041.The end that two channel-section steels 2042 are relative is further fixed on an angle steel 2041, and this angle steel 2041 is by two ends
Screw rod attaching nut fastens, the channel-section steel 2042 at tension two ends so that the appearance on attachment basis 20 is close to by the channel-section steel 2042 at two ends
Face, angle steel 2041 also channel-section steel 2042 to two ends plays against the effect supported.
It is fixed with connection otic placode 205 on channel-section steel 2042, connects this connection otic placode 205 by fixing for attached wall part 303.This attached wall part
303 include that bar shaped frame 3031 and ladder-shaped frame 3032, bar shaped frame 3031 one end are bolted connection with ladder-shaped frame 3032, bar shaped
Frame 3031 is connected with the minor face of ladder-shaped frame 3032, and the other end is bolted connection with king-post 301.Another of ladder-shaped frame 3032
End, the namely base of ladder-shaped frame 3032, the both sides on base are installed with installing plate respectively, and this installing plate has been fastened by bolts
Connecting rod, the connection otic placode 205 on connecting rod correspondence attachment basis 20, connecting rod is with to be connected otic placode involutory and be fastened by bolts
Connect.On king-post 301, an attached wall part 303 is set at interval of 6 meters to 9 meters, use bolt and pin by attached wall part 303 respectively with
Connect otic placode 205 and king-post 301 couples together, provide a supporting role for king-post 301.
After king-post 301 sets, the elevator 302 of elevator 30 is installed on the guide rail of king-post 301, then adjusts
Examination.According to upper limit position switch and the physical location of three-phase limit switch, mounting and adjusting king-post 301 top flap, block.Then enter
Row drop shutter test: (1), when carrying out drop shutter test, is not allow for people in cage；Before drop shutter test, it is to be ensured that the system of motor
Dynamic device is working properly.(2) in cage, rated load it is loaded onto.Cut off main power source, the cable of drop shutter test button box is accessed
By in drop shutter test dedicated terminals.(3) cable of test button box is fixed near the electric appliance box of cage, by suitable ground
Button box is put into earth station by side.Guarantee that cable will not be stuck when carrying out drop shutter test.(4) everyone is withdrawn in cage
Member, shuts whole cage door and fence gate；Close main power source, presses the button having upper up symbol on test button box, and driving is hung
Cage rises the height of the most about 10M.(5) press the button having lower down symbol on test button box, do not unclamp.Electronic mechanism
Dynamic device is opened, and cage starts free-falling, until it reaches test speed, safe falling apparatus action, is checked by cage.Safety is fallen
Device qualified braking coasting distance is 0.3-1.2M.(note: if safe falling apparatus cage overhead stand more than 3M place also
Stop incessantly cage, decline button will be decontroled immediately.The i.e. brake application of brake is braked, and prevents cage from hitting the end.(6) safe falling apparatus is multiple
Position.(7) test cable is pulled down.
By the reset after safety anti-falling device action after test: (1) safe falling apparatus is after drop shutter test and normal behaviour
In work, often there is one-off, be required to safe falling apparatus is carried out reset work.Safe falling apparatus is forbidden before not resetting to continue
Operation elevator.(2) inspection before safe falling apparatus resets: the brake operation of (3) motor is the most normal；Turbine box and connection
Axial organ work is the most normal.(4) work of each guide roller is the most normal.(5) backgear and tooth bar are the most working properly.(6) safety
Microswitch in falling apparatus is the most working properly, and before reset, by sending instruction upwards, cage should not start.(7) reset
After front every inspection is errorless, it is first turned off power supply；(with reference to the operation instructions that dispatch from the factory of safe falling apparatus) remove safety and fall
The bolt of device bonnet and bonnet remove bolt, use special spanner rotary copper nut, until the end of instruction pin and safety pendant
Till the device rear end face that falls flushes (now microswitch should connect circuit).(8) bolt is loaded onto, bonnet and bolt；Switch on power,
Drive cage to run up 20 to 30CM, make the centrifugal-block of safe falling apparatus reset.Cage just can normal operation input.
Elevator 30 is debugged as follows:
(1) the use environment of construction elevator is :-20～+40 DEG C, and wind speed is less than the 20m/ second.
(2) checking main power voltage, voltage deviation should be in the range of 380V ± 5%.
(3) checking the lubrication circumstances of each drive disk assembly, each parts all should charging-up lubricant oil fat again.Construction electricity in using
Ladder is periodically lubricated.First the sand-lime of lubricant housings should be cleaned out before lubrication work.Construction elevator uses one first
After week, (or after operating 50 hours) should be by similar for the oil change in reductor fresh oil.
(4) check that cage and counterweight track have accessible.
(5) abrasion condition of gear is checked.
(6) test of each limit switch is carried out successively: single, double cage door trip upper and lower limit bit switch emergency stop switch.
Shown in Fig. 1, after installing elevator 30, set then at the attachment top of 20, basis and the top of section 10
Put steel platform 40, it is provided that to the walkway of elevator 30.Arrange steel platform 40 to include: combine shown in Fig. 8 and Fig. 9, in attachment
The fixing stiffening plate 201 that connects of surrounding outer wall at the top on basis 20, stiffening plate 201 is welded and fixed by reserved plug welding hole 2011
On the outer wall on attachment basis 20；Lay supporting steel plate 202 then at the top on attachment basis 20 and be welded and fixed；Pass through stiffener
2013 fastening support steel plates 202 and stiffening plate 201；Pre-embedded steel slab, the top of section 10 are set at the top of section 10
Edge of portion is provided with retaining wall, is embedded with pre-embedded steel slab when constructing retaining wall；Girder steel 203 is set up in supporting steel plate 202 He
On pre-embedded steel slab, and it is welded and fixed, by steel platform 40 with supporting steel plate 202 and pre-embedded steel slab junction bottom girder steel 203
Platform steel plate is layed on girder steel 203, and is welded and fixed with girder steel 203, is the formation of steel platform.
Lead to building hoist internal channel problem for solving top, hole workmen, building hoist walkway, top, hole is entered
Row special project design, design one end, walkway fends off on cob wall that pre-embedded steel slab is as bearing being embedded in hole, and the other end is with tower crane mark
Quasi-joint is the steel construction walkway of bearing.
Walkway is designed as simply supported beam steel construction passage, as follows according to on-the-spot actual measuring and design parameter: girder steel
Width is 1.6m, and steel berm width is 3.8m, bearing center width 1.6m, and aisle allows live load to take 5KN/m for the sake of assurance,
Walkway design calculating utilizes MIDAS to carry out finite element analysis computation, and people's Cargo Lift aisle steel platform system considers permanent lotus
Load, live load and the Load Combination of wind load, obtain the deformation values of each component in structural system.Two kinds of feelings of the effect of live load
Condition: one is to consider its stepless action, i.e. live load balanced distribution；Another kind be live load act between girder and girder with
Between the secondary beam of one edge direction, i.e. uneven distribution.
This walkway steel platform is to be erected at hole end standard section of tower crane to push up on precipice retaining wall bearing built-in fitting with hole, away from
From about 22 meters, aisle steel platform area about 80 square metres, span is big, and people's Cargo Lift basis is to hole heights of roofs about 50m, for high-altitude
Operation, dangerous big, take ground to assemble integral lifting, weight about 14 tons after this people's Cargo Lift aisle steel platform overall package, adopt
With 2 the colligation liftings of a suspension centre, using steel wire rope colligation, vapour hangs erect-position, and to the suspension centre distance radius of clean-up about 14 meters, (steel platform hangs
Cob wall bearing is fended off apart from about 12 meters in some distance hole, it is contemplated that retaining wall hole wall unstability, for Hoisting Security, bus station
Position need to shrink back about 1 to 2 meter), hang the erect-position radius of clean-up according to vapour and vapour weight property list of slinging need to select the automobile of 100 tons to lift up into
Row lifting, ground assembles selects 16 tons of truck cranes.Concrete steel platform construction step includes:
(1) surveying setting-out: on the basis of level gauge benchmark 50 line on the podium steel column of top, hole, measure 2 bearing embedded boards
Absolute altitude, and the unified elevation line after being computed is got to standard section of tower crane side, by ink fountain level on bullet on standard section of tower crane
Line, as the absolute altitude foundation of the installation of girder steel connecting plate, error should be less than 2mm.Take in standard section of tower crane centrage and built-in fitting
Heart line is along longitudinally drawing a longitudinal centre line, and as the datum line of longitudinal girder, error should be less than 3mm.Draw one with longitudinally in
The cross central line that heart line is vertical, sag is not to be exceeded 3 ".Datum line as horizontal girder steel.
(2) built-in fitting and standard section of tower crane are checked and accepted: carry out built-in fitting position according to drawing and carry out an acceptance inspection, as overproof, and Ying You
Unit in charge of construction rectifies and improves.Additionally standard section of tower crane perpendicularity accompanying by building hoist need to meet the requirements, and < 4/1000, tower body must
Must be firm, and check and accept signature through Party A, management.
(3) putting up platform: set up temporary operating platform in the appropriate place near installation site, such as welding tower body connecting plate
On workmen's standing operation platform.
(4) welding of girder steel connecting plate: according to the elevation line put and datum line, by standard section of tower cranes all on drawing
Connecting plate first weld.
(5) ground assembles:
1) after needed for walkway steel platform, component is transported to scene, with the unloading of 16T truck crane in lifting region, according to figure
The order ground successively of steel platform elder generation girder to secondary beam is assembled by paper.
2), after girder centering, secondary beam, horizontal support and the steel angle stiffening rib are installed successively, also can be with artificial for the lightest
It is right to organize, and secondary beam is not more than 2mm with the discrepancy in elevation of girder.Steel platform framework group to after carry out Integral correction, high-strength bolt fastens
Twisting eventually, carry out welding of secondary beam and girder, elder generation is carried out self-inspection by we personnel, and meet the requirements Hou Bao supervisor, by management, first
Side and our personnel carry out checking inspection jointly, to steelframe level, absolute altitude, in length and breadth centrage, Weld Quality Inspection, should meet rule
Model requirement.Pinpointing the problems and process in time, rectification is to qualified.
3) mopping that eliminates rust can be carried out after the assay was approved.Though at non-mopping, weld bond and oneself swiped through paint but in installation process
Should eliminate rust again in the position having damage, brush first pass priming paint, second time priming paint of brush after paint film is dry, measures film thickness and reach after doing
Design Requirement Drawing.
4) checkered steel plate is laid: steel platform framework can lay checkered steel plate after all completing, and checkered steel plate is laid with manually
It is laid in master.Being routed on corresponding girder steel by corresponding checkered steel plate according to figure paper size, checkered steel plate can use welding solid
Fixed.Brush antirust paint is mended at weld bond.
5) integral hoisting: overall group, to selecting 100 tons of truck cranes to use 2 liftings, steel wire rope colligation after completing, is first tried
Hanging, then installation is hung in recurrence, is connected with high-strength bolt at standard section of tower crane, welds with built-in fitting at retaining wall bearing；Entirety is hung
Girder steel at standard section of tower crane is installed after installing into again, after installation, lays checkered steel plate.Brush antirust paint is mended at last weld bond.
The present invention is attached to having the beneficial effect that of the installation method of the lowering or hoisting gear of section
Use elevator to be attached to the installation method on attachment basis, solve elevator and cannot be supported in asking of section
Topic, and when this structure is set, the bearing capacity on attachment basis has been carried out corresponding calculating, has met construction requirement, there is safety guarantee.
Employing by attachment basis so that the mounting structure of elevator has simple feature.
Elevator with attachment basis be connected by attached wall part and coordinating of fixture realizes, attached wall part is on fixture
Channel-section steel apply pulling force, the angle steel on fixture is located at the effect that channel-section steel plays between two channel-section steels support, can be offset both sides
Pulling force, reduce attachment basis tension, it is ensured that the stability on attachment basis, and attached wall part and the attachment structure of fixture
Easy for installation, stabilized structure, effectively ensure that the overall steadiness of elevator.
The top on attachment basis and the top of section are provided with steel platform, use as walkway, it is provided that from disconnected
Top, face, to the passage of elevator, facilitates passing through of people and goods.This steel putting up platform is in attachment basis and section pre-
Bury between steel plate, weld with attachment basis and pre-embedded steel slab respectively, this mode set up so that steel platform is basic and pre-to attachment
Bury steel plate and the most only produce pressure so that attachment basis is subjected only to pressure, improves the safety and stability on attachment basis, this pressure simultaneously
By overlap joint diffusion transmission, reduce the stress rupture for pad.
Attachment basis is connected with using wall-attaching equipment realization support between section, realizes adherance by wall-attaching equipment
Effective support of plinth, for guaranteeing that the support of wall-attaching equipment consolidates, section is provided with multiple anchoring piece at attachment point, effectively
Improve the steadiness of support.
Being described in detail the present invention above in association with accompanying drawing embodiment, those skilled in the art can be according to upper
State and bright the present invention is made many variations example.Thus, some details in embodiment should not constitute limitation of the invention, this
Invent the scope that defines using appended claims as protection scope of the present invention.
Claims (3)
1. in a lowering or hoisting gear, attachment basis supports, with section, the construction method being connected, it is characterised in that including:
Arrange on ground and support the attachment basis being connected with section；
Holing at the attachment point of section, slip casting in anchoring piece is inserted the hole bored and in hole is so that anchoring piece anchor
Enter described section；
Anchor plate is fixed in the end of described anchoring piece；
Attached wall seat is set on described anchor plate；
It is fixedly installed wall-attaching equipment in described attachment basis, the end of described wall-attaching equipment is connected with corresponding described attached wall seat
Fixing；
Set up elevator, the king-post of described elevator is erected on ground, and support is connected to described attachment basis, by described liter
The elevator of fall machine is installed on described king-post so that described elevator moves up and down along described king-post；
Steel platform is set up between top and the top of described section on described attachment basis；The top on described attachment basis
Place's surrounding outer wall is provided with stiffening plate, lays supporting steel plate on described attachment basis, described supporting steel plate and described stiffening plate it
Between be provided with multiple stiffener；The top of described section is provided with pre-embedded steel slab；On described pre-embedded steel slab and described supporting steel plate
Erection has girder steel；It is equipped with platform steel plate on described girder steel and forms described steel platform.
2. in lowering or hoisting gear as claimed in claim 1, attachment basis supports the construction method being connected, its feature with section
It is, also includes: described anchoring piece is welded with described anchor plate by reinforcing bar.
3. in lowering or hoisting gear as claimed in claim 1, attachment basis supports the construction method being connected, its feature with section
It is, is fixedly installed wall-attaching equipment in described attachment basis, by the end of described wall-attaching equipment with corresponding described attached wall seat even
Connect fixing, including:
First stay tube and second stay tube it is fixedly installed on the basis of described attachment；
Described first stay tube is arranged distant from mutually with described second stay tube connection end on section, and by described
The end of one stay tube and described second stay tube connects fixing with corresponding attached wall seat.
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| CN201610559222.6A CN106185543B (en) | 2014-08-14 | 2014-08-14 | The construction method of attached base and section support connection in lifting gear |
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| CN201610559222.6A CN106185543B (en) | 2014-08-14 | 2014-08-14 | The construction method of attached base and section support connection in lifting gear |
| CN201410399694.0A CN104261232B (en) | 2014-08-14 | 2014-08-14 | Lifting device attaching to special-shaped section and mounting method of lifting device |
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| CN201410399694.0A Division CN104261232B (en) | 2014-08-14 | 2014-08-14 | Lifting device attaching to special-shaped section and mounting method of lifting device |
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| CN106185543A true CN106185543A (en) | 2016-12-07 |
| CN106185543B CN106185543B (en) | 2018-07-31 |
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| CN201610559263.5A Active CN106193099B (en) | 2014-08-14 | 2014-08-14 | The support construction of attached base in lifting gear |
| CN201610557022.7A Active CN106088141B (en) | 2014-08-14 | 2014-08-14 | For the construction method for the foundation structure for reinforcing lowering or hoisting gear |
| CN201610559261.6A Active CN106193098B (en) | 2014-08-14 | 2014-08-14 | Foundation structure for reinforcing lifting gear |
| CN201610556983.6A Active CN106115417B (en) | 2014-08-14 | 2014-08-14 | The connection structure of elevator and attached base in lifting gear |
| CN201410399694.0A Active CN104261232B (en) | 2014-08-14 | 2014-08-14 | Lifting device attaching to special-shaped section and mounting method of lifting device |
| CN201610559222.6A Active CN106185543B (en) | 2014-08-14 | 2014-08-14 | The construction method of attached base and section support connection in lifting gear |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610559263.5A Active CN106193099B (en) | 2014-08-14 | 2014-08-14 | The support construction of attached base in lifting gear |
| CN201610557022.7A Active CN106088141B (en) | 2014-08-14 | 2014-08-14 | For the construction method for the foundation structure for reinforcing lowering or hoisting gear |
| CN201610559261.6A Active CN106193098B (en) | 2014-08-14 | 2014-08-14 | Foundation structure for reinforcing lifting gear |
| CN201610556983.6A Active CN106115417B (en) | 2014-08-14 | 2014-08-14 | The connection structure of elevator and attached base in lifting gear |
| CN201410399694.0A Active CN104261232B (en) | 2014-08-14 | 2014-08-14 | Lifting device attaching to special-shaped section and mounting method of lifting device |
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Cited By (1)
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| CN107473054A (en) * | 2017-08-09 | 2017-12-15 | 重庆市渝建实业股份有限公司 | Construction elevator building method for building construction |
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| CN108086346B (en) * | 2018-01-26 | 2023-09-08 | 广东省建筑工程机械施工有限公司 | Uneven settlement reinforcing device and overcoming method for tower crane foundation |
| CN109467014B (en) * | 2018-12-28 | 2020-06-30 | 中铁大桥局集团第五工程有限公司 | Wall-attached structure for large-tonnage tower crane super-large load in large wind environment |
| CN111648583B (en) * | 2020-05-13 | 2022-07-26 | 中国十七冶集团有限公司 | Walkway platform of tower crane connected with all-steel attached lifting scaffold |
| CN112978538A (en) * | 2021-03-08 | 2021-06-18 | 中国建筑一局(集团)有限公司 | Reverse-construction deep and large foundation pit vertical hoisting device and construction method thereof |
| CN113585291A (en) * | 2021-08-11 | 2021-11-02 | 中建八局发展建设有限公司 | Method for backfilling and applying foamed concrete fertilizer groove |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106115417B (en) | 2018-07-27 |
| CN106193099B (en) | 2018-07-31 |
| CN106088141A (en) | 2016-11-09 |
| CN104261232A (en) | 2015-01-07 |
| CN106193099A (en) | 2016-12-07 |
| CN106193098A (en) | 2016-12-07 |
| CN104261232B (en) | 2017-02-22 |
| CN106185543B (en) | 2018-07-31 |
| CN106088141B (en) | 2018-02-06 |
| CN106115417A (en) | 2016-11-16 |
| CN106193098B (en) | 2018-09-04 |
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