CN107503365B - Super High elevator high and big die plate installation engineering method - Google Patents
Super High elevator high and big die plate installation engineering method Download PDFInfo
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- CN107503365B CN107503365B CN201710814510.6A CN201710814510A CN107503365B CN 107503365 B CN107503365 B CN 107503365B CN 201710814510 A CN201710814510 A CN 201710814510A CN 107503365 B CN107503365 B CN 107503365B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/22—Lining sumps in trenches or other foundation pits
-
- 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
- E02D27/013—Shuttering specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- General Life Sciences & Earth Sciences (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Conveying And Assembling Of Building Elements In Situ (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of Super High elevator high and big die plate installation engineering methods, including two stages of Construction in Preparatory Stage and constructing operation process；The constructing operation process includes: 1) template processing；2) bed die is installed, is fixed；3) inner support frame is installed；4) side form installation, fixation；5) integral reinforcing；6) box body lifting is in place；7) tension rib is installed；8) concreting, monitoring；9) form removable.Use traditional template, flitch, steel pipe for raw material the present invention provides a kind of, it is panel, flitch as interior stupefied, steel pipe using template and stupefied is fabricated to " box body " as outer, it is mounted in elevator using loop wheel machine, to solve the problems, such as concrete to the lateral pressure of " box body ", steel pipe support is set in " box body ", to solve the problems, such as " box body " to the anti-floating of concrete, " box body " is locked using steel pipe, using round steel by the Super High elevator high and big die plate strengthening construction engineering method of steel pipe and raft plate bottom reinforcement bars drawknot.
Description
Technical field
Design building construction field of the present invention, it is specially a kind of to be suitable for elevator in Super High raft plate, catchment
The construction of well template installation in hole, large stadium and industrial premises Equipment Foundations.
Background technique
With the development of society, the continuous quickening of especially urbanization process, in some societies caused by the big flowing of population
Can resource Relatively centralized city, population largely converges so as to be accommodated in limited land area more populations and population it
It is very nervous that outer social resources cause soil.Therefore, develop skyscraper and hypogee, it is limited to have become solution
The method of the most utilization rates in soil.
With the development of super high-rise building technology, building height is refreshed by new record again and again, to make full use of underground
Space and resistance horizontal loading need, and building height is higher, and embedded depth of foundation is deeper and deeper, raft plate is more and more thicker.Ordinary circumstance
Under, the general 2m or more of thickness of building raft plate, most thick reachable 10m even 10m or more, are mass concrete；To prevent substantially
Product concrete is because pouring the cold seam of the unreasonable formation of mode or because the excessive generation of internal-external temperature difference leads to concrete cracking situation, generally
Layering, segmentation casting concrete are taken, the construction period is extended.It, can be to avoid if adopting an effective measure primary concreting concrete
Construction joint or cold seam are generated, the globality of concrete is improved.
Super High elevator and its catch pit are generally disposed in raft plate, according to the size of lift car and elevator rate,
Its general well depth >=3m, by concrete lateral pressure and buoyancy, this formwork reinforcement system is complex.Raft foundation is mixed
Solidifying soil can one-time-concreting molding, be heavily dependent on elevator, whether formwork reinforcement system firm at catch pit.
Under normal conditions, deeper to similar well, to prevent its template system anti-side unstability, take in framework of steel reinforcement
Upper embedded screw rod carries out binding, and inside, which is taken, reinforces support；To prevent template anti-floating, preloading is usually taken on template system
Form, such as heap template, reinforcing bar counterweight, the construction time is long, and working procedure is complicated.
Therefore, it is the inconvenience of usual way bring, the mass defect that solve elevator class well formwork reinforcement system, provides
A kind of construction that new Super High elevator high and big die plate is reinforced out, has been a good problem to study.
Summary of the invention
In order to overcome the deficiencies in the prior art described above, the present invention provides a kind of using traditional template, flitch, steel pipe
For raw material, using template be panel, flitch as interior stupefied, steel pipe as it is outer it is stupefied be fabricated to " box body ", be mounted on using loop wheel machine
In elevator, to solve the problems, such as that the lateral pressure of " box body ", steel pipe support is arranged, in " box body " for solution " box body " in concrete
To the anti-floating problem of concrete, " box body " is locked using steel pipe, using round steel by the super of steel pipe and raft plate bottom reinforcement bars drawknot
High rise elevator well high and big die plate strengthening construction engineering method.
The object of the present invention is achieved like this:
Super High elevator high and big die plate installation engineering method, including two ranks of Construction in Preparatory Stage and constructing operation process
Section；It is characterized by: the Construction in Preparatory Stage, comprising: 1) the construction technology preparation stage；2) the Farm Planning stage；3) material
The mechanical preparation of material, personnel prepare；The constructing operation process includes: 1) template processing；2) bed die is installed, is fixed；3) branch in
Support installation；4) side form installation, fixation；5) box body integral reinforcing；6) box body lifting is in place；7) tension rib is installed；8) concrete
It pours, monitor；9) form removable；
Described 1) the construction technology preparation stage: the following steps are included: (1) formwork reinforcement system and steel tie design,
It calculates；(2) establishment template installs special construction plan and confides a technological secret；(3) to use raw material site acceptance, reinspection；(4)
The technical performance data and acceptance(check) file of overweight mechanical and its mating lifting gear；(5) design or code requirement needs mention
The data of confession；
2) the Farm Planning stage: including carrying out levelling of the land work before (1) construction, for being unfavorable for mechanical movement in place
Soft position, take reinforcing, change the measure of filling out, it is ensured that crane walking safety；(2) laydown area pre- for material, template add
Work area carries out levelling of the land, compacting；(3) in the venue according to the actual conditions in place, reasonable Arrangement measurement control stake and level
Point；Control point should be laid in the not position by construction infection, and set up apparent mark, carry out safeguard measure, inspect periodically, is multiple
Core；
3) material mechanical preparation, personnel's preparation stage: including (1) material mechanical preparation stage and (2) personnel's preparation stage；
Described (1) the material mechanical preparation stage are as follows: according to the requirement of material analysis and construction schedule, work out material requirement
Plan determines that material stacks place for construction stock, provides foundation for organization material transport；According to construction requirement, selection
Suitable hoisting machinery and suspender；Tension rib uses HPB300 20mm, processes in advance in place, and end is 180 degree crotch, straight line
Section is 10d；(2) personnel's preparation stage: carpenter, scaffolder play heavy industry and the preparation of commander's work class labour personnel arrangement in place；
Described 1) the template process segment: including timber used in template and its support system, must not there are brittleness, serious torsion
The timber being easily deformed after bent and dampness；Wood plywood corner should be coated with edge sealing adhesive, in order to protect the edge sealing adhesive of template corner,
Adhesive waterproof tape is pasted when formwork at formwork edge joint to be protected, mortar leakage prevention；Wood plywood plate face does not drill hole as far as possible, meets
Reserving hole is repaired in time with common plank；Wood plywood preparation answers whole directly to use, and reduces arbitrarily saw to the greatest extent and cuts,
It causes to waste；The length of nail should be 1.5-2 times of template thickness；
2) bed die installation, fixed stage: when including bed die assembling, it is levelling that the wooden springboard first is spread on ground, according to well
Plane sizes determine scantling, then use outer stupefied lateral arrangement that steel pipe is 450mm as spacing, use the steel pipe to be as spacing
It is stupefied in the reinforcement of 600mm to be longitudinally arranged, and by it is outer it is stupefied with it is interior it is stupefied connect by fastener, between interior steel is stupefied by spacing 150mm spread
If flitch is as interior stupefied then flitch and outer steel is stupefied secured using iron wire binding；Then block-by-block template is followed closely on flitch with nail,
Nail longitudinal pitch is less than 100mm；Box body bed die integral assembling and after brushing release agent, bed die is integrally overturn, template faces
Under；
3) inner support frame erection stage: including bottom plate installation after, start by longitudinal pitch 800mm, horizontal spacing 600mm,
Step pitch is that 450mm sets up inner support steel pipe frame, and frame body upright bar is connect with the stupefied use fastener of the interior steel on bottom plate；Erection of frames presses foot
Hand cradle specification is operated；For the globality for ensuring inner support frame, bridging is arranged in frame body longitudinally outboard face；Frame during setting up
Support is thrown in external side setting；
4) side form installation, fixed stage: after the completion of being set up including inner support frame, flitch is tied up by spacing 150mm with iron wire
On the outer steel of bundle frame body surrounding is stupefied, vertical direction checks the flatness on each surface after flitch is fixed, starts to fix after meeting the requirements
First layer vertical formwork is less than 100mm stickfast after first layer installation by spacing with nail and sets up outer operating platform, fixes above
The second layer, third layer template, until side form is all installed；
5) the box body integral reinforcing stage: after the completion of side form installation, checking the flatness of each side, and to support frame into
Row checks, it is ensured that each fastener is connected firmly, rod piece is smooth vertical and horizontal, stress is reliable；If there is box body size distortion or frame body part
It loosens, consolidation process should be carried out to frame body, finally in side form surface brush release agent；
6) box body lifts the stage in place: including selecting lifting machine according to the weight and operating radius of box body, described is hung
Tool of installing includes: truck crane；When live tower crane satisfies the requirements, lifted with tower crane；Four angle points of box body are arranged in suspension centre
Support frame upright bar on, connected by the suspension hook of shackle, wirerope and loop wheel machine；Box body overall package is completed and is checked and accepted through tripartite
Afterwards, can prepare to lift by crane；Meanwhile the reinforcing bar of raft plate is bound and its support system is installed；Commander's truck crane is transferred to lifting
Position, lifting work point not An Zhuan suspension centre shackle, put on wirerope；After the installation situation and stress center of gravity that check wirerope, refer to
Wave after box body is slowly hung to 0.3m~0.5m from the ground by order, should check whether box body steady, check it is errorless after, box body is erected
Directly sling；It is suitable for reading that box body is hung to well, is slowly transferred in well after contraposition, is manually cooperated using crowbar, it is ensured that box body is not
Collide reinforcing bar and protective layer cushion block；After box body lifting is in place, the support frame and template of tray interior are checked, prevent from lifting
It loosens in the process；
7) tension rib erection stage: after box body installation, in the lateral steel pipe of box body setting suitable for reading as tension rib upper end
Drawknot node, steel pipe are connect with the rod piece of supporting frame top layer with fastener；The lower end of tension rib and raft plate baseplate reinforcing bar drawknot, raft
The self weight of plate entirety framework of steel reinforcement and box body lower concrete pour the weight formed after initial set as anchoring body weight, are much larger than
The tensile strength of steel tie；The quantity of tension rib is installed according to calculated result；
8) concreting, monitoring stage: it is included in concreting process, box body is settled and is displaced
Monitoring, frequency are to be monitored once an hour, and after concreting is completed and reaches initial set, can stop monitoring；Including monitoring
There is the floating situation of spillage, deviation in box body in the process, should stop pouring for the position concrete immediately, study and define processing side
After case and implementation, concreting can continue；After large volume pours, it is necessary to carry out covering curing, at well, removing template
Also as outside Insulation, to prevent temperature difference between inside and outside concrete at well excessive, gunnysack is equally spread well is suitable for reading, reinforces protecting
Temperature；
9) the form removable stage: including under normal circumstances, the curing time of mass concrete is at least 14 days, coagulation
After native internal-external temperature difference is basicly stable, thermal insulation material can be removed, equally, the template at well also can just remove；Firstly, by well
Cheat that drawknot steel pipe suitable for reading is removed, tension rib cuts off, then support frame, outer stupefied, interior stupefied, side form are removed from top to bottom, most
Outer stupefied, the interior stupefied, template of bed die is removed afterwards.
Positive beneficial effect: the present invention is discussed repeatedly in programming phase, is studied, finally the elevator of raft plate foundation pit,
It is effectively used in the installation of catch pit template, template system is safe and reliable, so that raft board concrete one-time-concreting forms, accelerates
The speed of application of Core Walls Structure shortens high building construction period.It uses traditional template, flitch, steel pipe for raw material, utilizes template
For panel, flitch as interior stupefied, steel pipe as it is outer it is stupefied be fabricated to " box body ", be mounted in elevator using loop wheel machine, it is mixed to solve
Steel pipe support is arranged in " box body ", asks for solution " box body " the anti-floating of concrete to the lateral pressure problem of " box body " for solidifying soil
Topic locks " box body " using steel pipe, using round steel by steel pipe and raft plate bottom reinforcement bars drawknot；Often planning construction method is compared
Compared with this engineering method has not only saved the construction period, it is ensured that engineering safety, quality also save construction cost.Incorporation engineering is real
Trample, Super High elevator high and big die plate construction technique be compiled into enterprise's engineering method, be Bao Ye group in Super High engineering or
It offers reference in industrial premises Large Equipment Foundation and reference significance, to improve the competition that Bao Ye group constructs in Super High
Power is contributed share, and has good promotional value.
Detailed description of the invention
Fig. 1 is process flow diagram of the invention.
Specific embodiment
With reference to the accompanying drawing, the present invention is described further:
As shown in Figure 1, elevator high and big die plate strengthening construction engineering method, including Construction in Preparatory Stage and constructing operation process two
A stage；The Construction in Preparatory Stage includes: 1) construction technology preparation stage；2) the Farm Planning stage；3) material mechanical is quasi-
Standby, personnel prepare；The constructing operation process includes: 1) template processing；2) bed die is installed, is fixed；3) inner support frame is installed；
4) side form installation, fixation；5) box body integral reinforcing；6) box body lifting is in place；7) tension rib is installed；8) concreting, monitoring；
9) form removable.
Described 1) the construction technology preparation stage: the following steps are included: (1) formwork reinforcement system and steel tie design,
It calculates；Template uses 15mm thickness glued board, interior stupefied using 40mm × 80mm flitch, spacing@150mm, it is outer it is stupefied using Ф 48 ×
3.5mm flitch, spacing@450mm；After concrete is calculated to the buoyancy of box body, according to the tensile strength of reinforcing bar, calculate separately out high
Area's elevator pit (two-in-one), middle area's elevator pit (two-in-one), low area's elevator pit (two-in-one), low area's elevator pit are (solely
Erect and set), the quantity of Fire lift well, each steel tie of catch pit, respectively 12 pieces/, 8 pieces/, 4 pieces/, 2 pieces/；
(2) establishment template installs special construction plan and confides a technological secret；(3) to the raw material site acceptance used, reinspection；(4) overweight
The technical performance data and acceptance(check) file of mechanical and its mating lifting gear；(5) design or code requirement need to be offered
Data.
2) the Farm Planning stage: including carrying out levelling of the land work before (1) construction, for being unfavorable for mechanical movement in place
Soft position, take reinforcing, change the measure of filling out, it is ensured that crane walking safety；(2) laydown area pre- for material, template add
Work area carries out levelling of the land, compacting；(3) in the venue according to the actual conditions in place, reasonable Arrangement measurement control stake and level
Point.Control point should be laid in the not position by construction infection, and set up apparent mark, carry out safeguard measure, inspect periodically, is multiple
Core.
3) material mechanical preparation, personnel's preparation stage: including (1) material mechanical preparation stage and (2) personnel's preparation stage；
Described (1) the material mechanical preparation stage are as follows: according to the requirement of material analysis and construction schedule, work out material requirement
Plan determines that material stacks place for construction stock, provides foundation for organization material transport；According to construction requirement, selection
Suitable hoisting machinery and suspender.Tension rib uses HPB300 20mm, processes in advance in place, and end is 180 degree crotch, straight line
Section is 10d.(2) personnel's preparation stage: carpenter, scaffolder play heavy industry and the preparation of commander's work class labour personnel arrangement in place.
Described 1) the template process segment, comprising: timber used in template and its support system must not have brittleness, serious
The timber being easily deformed after distortion and dampness；Wood plywood corner should be coated with edge sealing adhesive, in order to protect the edge sealing adhesive of template corner,
Adhesive waterproof tape is pasted at formwork edge joint in formwork to be protected, mortar leakage prevention；Wood plywood plate face does not drill hole as far as possible, meets
There is reserving hole, can be repaired in time with common plank；Wood plywood preparation answers whole directly to use, and reduces random saw to the greatest extent
It cuts, causes to waste；The length of nail should be 1.5-2 times of template thickness.
2) bed die installation, fixed stage；When including bed die assembling, it is levelling that the wooden springboard first is spread on ground, according to well
Plane sizes determine scantling, then use steel pipe as outer stupefied (spacing 450mm) lateral arrangement, use steel pipe stupefied as in reinforcing
(spacing 600mm) is longitudinally arranged, and by it is outer it is stupefied with it is interior it is stupefied connect by fastener, between interior steel is stupefied by spacing 150mm be laid with
Flitch (as interior stupefied), then flitch and outer steel is stupefied secured using iron wire binding；Then block-by-block template is followed closely on flitch with nail,
Nail longitudinal pitch is less than 100mm；Box body bed die integral assembling and after brushing release agent, bed die is integrally overturn, template faces
Under.
3) inner support frame erection stage: including bottom plate installation after, start by longitudinal pitch 800mm, horizontal spacing 600mm,
Step pitch is that 450mm sets up inner support steel pipe frame, and frame body upright bar is connect with the stupefied use fastener of the interior steel on bottom plate.Erection of frames presses foot
Hand cradle specification is operated.For the globality for ensuring inner support frame, bridging is arranged in frame body longitudinally outboard face.Frame during setting up
Support is thrown in external side setting.
4) side form installation, fixed stage: after the completion of being set up including inner support frame, flitch is tied up by spacing 150mm with iron wire
On the outer steel of bundle frame body surrounding is stupefied, vertical direction checks the flatness on each surface after flitch is fixed, starts to fix after meeting the requirements
First layer vertical formwork is less than 100mm stickfast after first layer installation by spacing with nail and sets up outer operating platform, fixes above
The second layer, third layer template, until side form is all installed.
5) the box body integral reinforcing stage: after the completion of side form installation, checking the flatness of each side, and to support frame into
Row checks, it is ensured that each fastener is connected firmly, rod piece is smooth vertical and horizontal, stress is reliable.If there is box body size distortion or frame body part
It loosens, consolidation process should be carried out to frame body, finally in side form surface brush release agent.
6) box body lifts the stage in place: including selecting lifting machine according to the weight and operating radius of box body, vapour may be selected
Vehicle is hung, when live tower crane satisfies the requirements, it is also possible to which tower crane is lifted, this example is computed, high area's elevator (two-in-one) box
The weight of body is 7.2t/, totally 4；Middle area's elevator (two-in-one) box body, low area's elevator (two-in-one) box body weight be
4.8t/, totally 4；Low area's elevator (solely sets) box body, weight 2.7t/, totally 3 of Fire lift well box body；Catch pit box
The weight of body is 1.8t/, totally 2.According to operating radius (being up to 25m), lifting capacity (being up to 7.2t), QY130K is selected
Truck crane in 26m operating radius, is equipped with 38t, lifting capacity up to 9.6t, meets lifting requirements；Suspension centre setting -- each box body is all provided with
4 suspension centres are set, with the crosspoint of cross bar in the middle part of each right angle upright bar, is connect, is used with upright bar using the bow shackle of 4 5t
2 wirerope (diameter 11mm, lifting capacity 6.3t) respectively connect the shackle of two longitudinal edges, to ensure to lift angle
Greater than 60 degree, the bow shackle that top passes through 2 10t again hangs over wirerope (diameter 12.5mm, the lifting capacity of suspension hook by
It is connect for 8t) with 2 wirerope of lower part；Box body overall package is completed and after tripartite checks and accepts, and can prepare to lift by crane.Meanwhile
The reinforcing bar of raft plate is bound and its support system is installed.Commander's truck crane is transferred to lifting position, and lifting work point An Zhuan not hung
The shackle of point, puts on wirerope.Check wirerope installation situation and stress center of gravity after, order command box body is slowly hung to from
After the 0.3m~0.5m of ground, should check whether box body is steady, after inspection is errorless, box body is sling vertically.Box body is hung to well
It is suitable for reading, it slowly transfers in well, is manually cooperated using crowbar, it is ensured that box body does not collide reinforcing bar and protective layer cushion block after contraposition.
After box body lifting is in place, the support frame and template of tray interior are checked, prevent from loosening in hoisting process.
7) tension rib erection stage: after box body installation, in the lateral steel pipe of box body setting suitable for reading as tension rib upper end
Drawknot node, steel pipe are connect with the rod piece of supporting frame top layer with fastener.The lower end of tension rib and raft plate baseplate reinforcing bar drawknot, raft
The self weight of plate entirety framework of steel reinforcement and box body lower concrete pour the weight formed after initial set and (are much larger than as anchoring body weight
The tensile strength of steel tie).The quantity of tension rib is installed according to calculated result:
High area's elevator (two-in-one), totally 4,12 piece/of tension rib quantity, each 6 of each box body longitudinal edge, every root long degree
9m.Middle area's elevator (two-in-one), low area's elevator (two-in-one), are 2, totally 4,8 piece/of tension rib quantity, each
Box body longitudinal edge each 4, every root long degree 7m.Low area's elevator (being independently arranged), Fire lift well, each 2,1, totally 3, drawknot
4 piece/of muscle quantity, each 1 of each every side of box body, every root long degree 7m.Catch pit, totally 2,2 piece/of tension rib quantity, each
Box body longitudinal edge each 1, every root long degree 10m, 8m.
8) concreting, monitoring stage: it is included in concreting process, box body is settled and is displaced
Monitoring, frequency are to be monitored once an hour, and after concreting is completed and reaches initial set, can stop monitoring.Such as monitored
There is spillage, deviation or floating situation in box body in journey, should stop pouring for the position concrete immediately, study and define processing scheme
And after implementing, concreting can continue.After large volume pours, it is necessary to carry out covering curing, at well, removing template
Outside as Insulation, to prevent temperature difference between inside and outside concrete at well excessive, gunnysack is equally spread well is suitable for reading, reinforces protecting
Temperature.
9) the form removable stage: including under normal circumstances, the curing time of mass concrete is at least 14 days, coagulation
After native internal-external temperature difference is basicly stable, thermal insulation material can be removed, equally, the template at well also can just remove.Firstly, by well
Cheat that drawknot steel pipe suitable for reading is removed, tension rib cuts off, then support frame, outer stupefied, interior stupefied, side form are removed from top to bottom, most
Outer stupefied, the interior stupefied, template of bed die is removed afterwards.
Embodiment 1
Project profile: the positive mating comprehensive development item of transportation work style tower of No. 7 lines of certain urban track traffic three is by a high building and skirt
Building composition, 3 layers of underground, 46 layers on the ground of high building, 7 layers on the ground of podium.Overall floorage is 118461m2, wherein total building sides on the ground
Product 94295.8m2, underground overall floorage 24165.2m2, building height 229.1m.
The plank thickness of high building area Core Walls Structure periphery and elevator bottom is 3.3m, and high building Core Walls Structure area plank thickness is
Totally 7 kinds of 4m, 4.95m, 6m, 7m, 8m, 9m, 10m；High building area raft floor elevation is -16.3m, and bosom bottom absolute altitude is -26.3m.
High building area (containing elevator, catch pit), absolute altitude face shared 14 kinds.
The size (length × width × height) of elevator: the 5600mm × 2500mm × area 5700mm(high elevator, 2 close 1, totally 4
It is a),
Area's elevator in 5600mm × 2500mm × 3700mm(, 2 conjunctions 1, totally 2), 5600mm × 2500mm × 3700mm
(low area's elevator, 2 conjunctions 1, totally 2), the low area's elevator of 2700mm × 2500mm × 3700mm(is independently arranged, 2 totally),
2700mm × 2500mm × 3700mm(1, Fire lift), wherein elevator most depth is 5.7m.
The size (length × width × height) of catch pit: 1000mm × 1500mm × 6700mm.
According to defect existing for Super High elevator, sump high and big die plate conventional mounting arrangements, in conjunction with certain city rail
In the mating comprehensive development item raft plate of the positive transportation work style tower of No. 7 lines of traffic three the characteristics of elevator, catch pit, this project passes through to template
The further investigation of installation system takes elevator high and big die plate and installs this new construction technology.This construction technology passes through general
It is consistent " box body " that logical template, flitch, steel pipe are fabricated to well size, is used as using steel pipe to support inside " box body ", then box
Body installation is in place, and suitable for reading to be locked using steel pipe, with round steel by steel pipe suitable for reading and raft plate bottom reinforcement bars drawknot, raft board concrete is primary
Pouring molding no longer pours by several times.In casting process, lateral force that concrete generates box body by inside setting steel pipe pair
Support for anti-, and the buoyancy that concrete generates box bottom is resisted by the round steel of drawknot.From construction technology preparation, Farm Planning,
Material mechanical prepares, personnel prepare to template processing, bed die installation and fixed, inner support frame installation, side form installation and fixation, box
Body integral reinforcing, box body lifting is in place, tension rib is installed, concreting and monitoring, form removable are described in detail.
Application time: this engineering method is in the mating comprehensive development item application of the positive transportation work style tower of No. 7 lines of certain urban track traffic three
Between be in April, -2017 in March, 2017.
Application effect: Super High elevator high and big die plate installation engineering method in the application of this project, accelerate construct into
Degree, reduces engineering cost, achieves preferable economic effect, while ensuring construction safety, improving construction quality.With biography
System construction method is compared, and has been saved fund 300,000, has been saved the duration 7 days, is had good application and promotional value, can be generated good
Good benefit.
Key control point of the invention: 1, formwork reinforcement system in detail, accurately calculate, and work out detailed special project
Arrangement and method for construction；2, it establishes, perfect quality certification system, carry out detailed technical annotation in construction；3, material is tested in strict accordance with marching into the arena
It receives, sampling reinspection program, it is ensured that raw material quality；4, the biggest lifting capacity and most your writing are pressed in the selection of hoisting machinery, lifting device
Industry radius determines；5, template construct place, the necessary smooth, compacting in loop wheel machine erect-position region；6, template and support frame strictly press scheme
It set up, reinforced；7, hoisting process strict implement " ten do not hang " provides, special messenger commander, box body must not be collided with raft slab muscle；
8, after box body is in place, it is necessary to whole to be checked, reinforced；9, it is reliable to install necessary stress for tension rib；10, template surface must be brushed
Release agent, it is ensured that real outer light in concrete.11, after concrete reaches intensity and conserves, template can be carried out and frame body is removed.
Safety measure: adhering to the policy of " Safety first, precaution crucial ", and full-time accredited security official, Gong Renjin are set up in building site
It before, is educated by security official, periodically carries out site safety activity, further clarify security responsibility and security inspection task.
Security organization mechanism and safety management network are established in scene, work out perfect safety in production system, safety inspection system and safety
Operating instruction, each work post, each teams and groups set up part-time security official.Safe practice before executing construction is told somebody what one's real intentions are, and safe life is conscientiously carried out
Produce diary.Apparent safety warning-panel is arranged in building site, hangs safe poster, carries out safe construction propaganda work.Construction usage
Mechanical tool should inspect periodically performance condition, especially stress tool should be complete, to prevent because slip, skid it is unexpected caused by hurt sb.'s feelings,
Hurt oneself.Electromechanical equipment must special messenger's operation, when work has to comply with operating instruction.Special operation workers (electrician, welder, crane
Work and commander's work), except being examined through enterprise security, also needs to participate in safety operation examination by regulation, obtain " the peace of supervisory department's core hair
The full operation quality certification ", it is necessary to it takes appointment with certificate.
Environmental protective measure: production, the unified management of house refuse: being arranged several moving refuse boxes in life, Office Area,
Personal management and cleaning are sent, forbids burning remaining waste in building site.Living area sets up health and is responsible for a task until it is completed area, sets up interim rubbish heap
, rubbish and tailing are cleared up in time.The daily maintenance and management set is faced in reinforcement, is removed in time after completion, is restored smooth shape
State.Construction site is not allowed to huddle rubbish and excess, interim stacking point should be arranged in appropriate place, and personal management concentrates and stacks, and
Periodically outward transport.Dregs rubbish and fluid products are cleared, covering dust prevention is taken, transport must not scatter on the way.To prevent from applying
Work dust pollution, in the ground watering dust prevention of hot weather construction temporary road.The unified management that placing of material, equipment are parked: material root
It marches into the arena successively according to project progress.A variety of materials stacking classifies, and stacks neatly, and mark is clear, stacks, frame body assembly place is done
It is neatly cleaned to inside and outside, construction waste material recycles in time, deals carefully with.Worker is when completing darg, cleaning construction in time
Place accomplishes that the complete field of work is clear.The storage keeping of all kinds of inflammable explosive articles, acetylene and oxygen in use, two bottles of spacing be greater than 5 meters with
On, closing isolation when storage；Non-smoking area delimited, effective fire-proof apparatus is set.Forbid arbitrarily occupying live surrounding road, harm
Hinder traffic.Construction equipment periodic maintenance, live marshalling is beautiful, and plant is parked neatly.Large size is set
Standby, accessory considers its transporting and hoisting channel, and tissue installation in place in time, must not damage the product of unit.The machine that scene uses
Tool equipment will be stored by plane fixed point, abide by machine security regulation, often keep maintenance cleaning.The label of machinery, number are bright
Aobvious, safety device is reliable.Forbid sewage, waste water disorderly to discharge: construction site and the area Lin She keep the coast is clear, and rainwater row is arranged
The bright ditch of water makes scene draining be protected.Drinking equipment is set in Office Area, the area Lin She and construction site, guarantees that worker drinks
The sanitation and hygiene of water.Running water, altar lamp are eliminated in line with the measure of saving.Sewage, flushing water and other constructions in construction are used
Water discharges after being discharged into interim sedimentation basin precipitation process.The sewage of machinery discharge formulates emission measure, must not trickle everywhere.Effectively
Control noise pollution: carrying on construction work at night must permit through city's environmental protection, municipal administration's division unit.And the generation of noise is strictly limited, make to make an uproar
Sound pollution is limited in minimum.In order to reduce construction noise, prevent construction noise from polluting, the confidential dress silencer of electric rotating is pressed
The confidential bass as far as possible that contracts operates, and is mounted remotely from the place for closing on house as far as possible, and the reasonable arrangement activity duration reduces night
Between construct, reduce noise pollution.The influence of construction noise and dust to the masses are closed on is reduced, big machinery is taken easily
Noise control measure.Speed limit travels vehicle on-site.It avoids generating dust, and often watering reduces the pollution of dust.It is live easily raw
The placing of material and transport of dust will be covered.It selects low noise as far as possible or has the construction machinery of noise elimination device.It applies
The closed mechanical canopy of the very noisy at work scene mechanical (such as: electric planer, abrasive machine) setting, to reduce the diffusion of very noisy.It involves
Finished product, the semi-finished product processing, production job for generating very noisy are placed in closing workplace and complete to avoid to make because construction site processes
Make the noise generated.Prevention and treatment dust pollution measure: forbid high-altitude to shed construction rubbish, prevent dusty.It is useless to remove building
Packaging air-tight manner must be taken to carry out when gurry, cleaned after watering must be first played when cleaning place.To being generated in industrial derusting
Fugitive dust, operator in operation band protective mask.Occupational disease inspection is periodically carried out to operator.Forbid of ancient India at the construction field (site)
Waste is burnt, has prevented flue dust and toxic gas from generating.
It is constructed using this engineering method, accelerates construction speed, reduce engineering cost, achieve preferable economic effect, together
When ensure construction safety, improve construction quality, have good application and promotional value, good benefit can be generated.
The positive mating comprehensive development item high building raft plate of transportation work style tower in certain city three is constructed with this this engineering method, and saving is applied
7 days between working hour, cost of labor 150,000 is saved, construction machinery saves 100,000, and material economy 50,000, directly generation economic benefit amounts to
300000.
The present invention in deep mass concrete, often be provided with elevator, sump, equipment installation preformed hole, one
As by the way that construction joint is arranged in shaft bottom or bottom hole, concrete pours in two times, first pours raft plate bottom section, then carry out at well
Template installation, upper reinforcement binding, then pour top concrete, generate when preventing one-time-concreting concrete to template larger
Lateral force and buoyancy.This construction technology by common templates, flitch, steel pipe is fabricated to well size consistent " box body ", " box
Be used as using steel pipe to support inside body ", then box body installation is in place, suitable for reading to be locked using steel pipe, with round steel by steel pipe suitable for reading with
Raft plate bottom reinforcement bars drawknot, raft board concrete one-time-concreting molding, no longer pours by several times.In casting process, concrete is to box
The lateral force that body generates is anti-to supporting for by the steel pipe of inside setting, and the buoyancy that concrete generates box bottom is by the circle of drawknot
Steel is resisted.
The preferred embodiment that the above embodiments are only used to illustrate the present invention, but the present invention is not limited to above-mentioned embodiment party
Formula, the field those of ordinary skill within the scope of knowledge, it is made any within the spirit and principles in the present invention
Modification, equivalent substitute and improvement etc., are regarded as the protection scope of the application.
Claims (9)
1. Super High elevator high and big die plate installation engineering method, including two ranks of Construction in Preparatory Stage and constructing operation process
Section；It is characterized by: the Construction in Preparatory Stage, comprising: 1) the construction technology preparation stage；2) the Farm Planning stage；3) material
The mechanical preparation of material, personnel prepare；The constructing operation process includes: 1) template processing；2) bed die is installed, is fixed；3) branch in
Support installation；4) side form installation, fixation；5) box body integral reinforcing；6) box body lifting is in place；7) tension rib is installed；8) concrete
It pours, monitor；9) form removable；
Described 1) the construction technology preparation stage: the following steps are included: (1) formwork reinforcement system and steel tie design, calculating；
(2) establishment template installs special construction plan and confides a technological secret；(3) to use raw material site acceptance, reinspection；(4) overweight
The technical performance data and acceptance(check) file of mechanical and its mating lifting gear；(5) design or code requirement need to be offered
Data；2) the Farm Planning stage: including carrying out levelling of the land work before (1) construction, for being unfavorable for mechanical movement in place
Soft position takes reinforcing, changes the measure of filling out, it is ensured that the safety of crane walking；(2) laydown area pre- for material, template processing
Area carries out levelling of the land, compacting；(3) in the venue according to the actual conditions in place, reasonable Arrangement measurement control stake and bench mark；
Control point should be laid in the not position by construction infection, and set up apparent mark, carry out safeguard measure, inspect periodically, check；
3) material mechanical preparation, personnel's preparation stage: including (1) material mechanical preparation stage and (2) personnel's preparation stage；Described
(1) the material mechanical preparation stage are as follows: according to the requirement of material analysis and construction schedule, work out materials requirements plan, be
Construction stock determines that material stacks place, provides foundation for organization material transport；According to construction requirement, selection is suitable
Hoisting machinery and suspender；Tension rib uses HPB300 20mm, processes in advance in place, and end is 180 degree crotch, and straightway is
10d；(2) personnel's preparation stage: carpenter, scaffolder play heavy industry and the preparation of commander's work class labour personnel arrangement in place.
2. Super High elevator high and big die plate installation engineering method according to claim 1, described 1) template processing rank
Section: including timber used in template and its support system, there must not be the timber being easily deformed after brittleness, serious distortion and dampness；
Wood plywood corner should be coated with edge sealing adhesive, in order to protect the edge sealing adhesive of template corner, paste at formwork edge joint in formwork anti-
Glue band is protected, mortar leakage prevention；Wood plywood plate face does not drill hole as far as possible, meets reserving hole, timely with common plank
It is repaired；Wood plywood preparation answers whole directly to use, and reduces arbitrarily saw to the greatest extent and cuts, causes to waste；The length of nail should be
1.5-2 times of template thickness.
3. Super High elevator high and big die plate installation engineering method according to claim 1, described 2) bed die installation, solid
Determine the stage: when including bed die assembling, first spreading that the wooden springboard is levelling on ground, determine scantling according to the plane sizes of well,
Use again outer stupefied lateral arrangement that steel pipe is 450mm as spacing, use steel pipe as spacing be stupefied longitudinal direction cloth in the reinforcement of 600mm
Set, and by it is outer it is stupefied with it is interior it is stupefied connect by fastener, be laid with flitch as interior stupefied by spacing 150mm between interior steel is stupefied, then will be wooden
It is square stupefied secured using iron wire binding with outer steel；Then block-by-block template is followed closely on flitch with nail, and nail longitudinal pitch is less than
100mm；Box body bed die integral assembling and after brushing release agent, bed die is integrally overturn, template is face-down.
4. Super High elevator high and big die plate installation engineering method according to claim 1, described 3) inner support frame peace
The dress stage: after bottom plate installation, start by longitudinal pitch 800mm, horizontal spacing 600mm, step pitch to be that 450mm sets up inner support
Steel pipe frame, frame body upright bar are connect with the stupefied use fastener of the interior steel on bottom plate；Erection of frames is operated by scaffold specification；It is true
The globality of inner support frame is protected, bridging is arranged in frame body longitudinally outboard face；Support is thrown in setting on the outside of frame body during setting up.
5. Super High elevator high and big die plate installation engineering method according to claim 1, described 4) side form installation, solid
Determine the stage: after the completion of being set up including inner support frame, by flitch by spacing 150mm with iron wire bind frame body surrounding outer steel it is stupefied on,
Vertical direction checks the flatness on each surface after flitch is fixed, starts fixed first layer vertical formwork after meeting the requirements, uses nail
It is less than 100mm stickfast after first layer installation by spacing and sets up outer operating platform, fixes the second layer, third layer template above, directly
It is all installed to side form.
6. Super High elevator high and big die plate installation engineering method according to claim 1, described 5) box body integrally adds
Gu the stage: after the completion of side form installation, checking the flatness of each side, and check support frame, it is ensured that each fastener connects
Connect securely, rod piece is smooth vertical and horizontal, stress is reliable；If box body size distortion occur or frame body locally loosening, frame body should be added
Gu processing, finally in side form surface brush release agent.
7. Super High elevator high and big die plate installation engineering method according to claim 1, described 6) box body lifting is just
The position stage: including selecting lifting machine according to the weight and operating radius of box body, the lifting machine includes: truck crane；It is existing
When field tower crane satisfies the requirements, lifted with tower crane；Suspension centre is arranged in the support frame upright bar of four angle points of box body, by unloading
The suspension hook of button, wirerope and loop wheel machine connects；Box body overall package is completed and after tripartite checks and accepts, and can prepare to lift by crane；Meanwhile raft
The reinforcing bar of plate is bound and its support system is installed；Commander's truck crane is transferred to lifting position, and lifting work point does not install suspension centre
Shackle, put on wirerope；After the installation situation and stress center of gravity that check wirerope, box body is slowly hung to liftoff by order command
After the 0.3m~0.5m of face, should check whether box body is steady, after inspection is errorless, box body is sling vertically；Box body is hung on well
Mouthful, it slowly transfers in well, is manually cooperated using crowbar, it is ensured that box body does not collide reinforcing bar and protective layer cushion block after contraposition；Box
After body lifting is in place, the support frame and template of tray interior are checked, prevent from loosening in hoisting process.
8. Super High elevator high and big die plate installation engineering method according to claim 1, described 7) tension rib installation
Stage: after box body installation, in the lateral steel pipe of box body setting suitable for reading as tension rib upper end drawknot node, steel pipe and supporting frame
The rod piece of top layer is connected with fastener；The lower end of tension rib and raft plate baseplate reinforcing bar drawknot, the self weight of raft plate entirety framework of steel reinforcement
And box body lower concrete pours the weight formed after initial set as anchoring body weight, much larger than the tensile strength of steel tie；
The quantity of tension rib is installed according to calculated result.
9. Super High elevator high and big die plate installation engineering method according to claim 1, described 8) concreting,
The monitoring stage: being included in concreting process, the monitoring to be settled and be displaced to box body, and frequency is to monitor per hour
Once, after concreting is completed and reaches initial set, can stop monitoring；Including box body in monitoring process occur spillage, partially
The floating situation of position, should stop pouring for the position concrete immediately, after studying and defining processing scheme and implementing, can continue to mix
Solidifying soil pours；After large volume pours, it is necessary to carry out covering curing, at well, removing template is also doubled as outside Insulation, is anti-
Only temperature difference between inside and outside concrete is excessive at well, equally spreads gunnysack well is suitable for reading, reinforces heat preservation；Described 9) form removable
Stage: including under normal circumstances, the curing time of mass concrete is at least 14 days, and temperature difference between inside and outside concrete is basicly stable
Afterwards, thermal insulation material can be removed, equally, the template at well also can just remove；Firstly, well drawknot steel pipe suitable for reading is torn open
Remove, tension rib is cut off, then support frame, outer stupefied, interior stupefied, side form is removed from top to bottom, finally remove the outer stupefied, interior of bed die
Stupefied, template.
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| CN108952082A (en) * | 2018-08-03 | 2018-12-07 | 徽都建设有限公司 | A kind of high rise elevator well construction method |
| CN110424710A (en) * | 2019-07-31 | 2019-11-08 | 云南省建设投资控股集团有限公司 | Elevator tool-type all steel operation platform construction |
| CN110453689A (en) * | 2019-09-03 | 2019-11-15 | 中国建筑一局(集团)有限公司 | Circular foundation pit lining wall formwork construction system and construction method |
| CN110565847B (en) * | 2019-09-18 | 2024-03-29 | 上海建工一建集团有限公司 | Construction method for super high-rise fire elevator well wall body and reinforced concrete wall |
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|---|---|---|---|---|
| CN101113642A (en) * | 2007-07-19 | 2008-01-30 | 河北建设集团有限公司 | Formworkfor elevator well of high rising building and construction method thereof |
| CN105756341A (en) * | 2016-04-06 | 2016-07-13 | 中国十七冶集团有限公司 | Installation process of elevator shaft formwork |
| CN106801482A (en) * | 2017-02-13 | 2017-06-06 | 山东送变电工程公司 | A kind of current conversion station fire wall construction technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8919728B2 (en) * | 2012-10-08 | 2014-12-30 | KWOLM Industries LLC | Unitary form for poured foundation pad and method |
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|---|---|---|---|---|
| CN101113642A (en) * | 2007-07-19 | 2008-01-30 | 河北建设集团有限公司 | Formworkfor elevator well of high rising building and construction method thereof |
| CN105756341A (en) * | 2016-04-06 | 2016-07-13 | 中国十七冶集团有限公司 | Installation process of elevator shaft formwork |
| CN106801482A (en) * | 2017-02-13 | 2017-06-06 | 山东送变电工程公司 | A kind of current conversion station fire wall construction technology |
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