CN107503365A - 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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- CN107503365A CN107503365A CN201710814510.6A CN201710814510A CN107503365A CN 107503365 A CN107503365 A CN 107503365A CN 201710814510 A CN201710814510 A CN 201710814510A CN 107503365 A CN107503365 A CN 107503365A
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/01—Flat foundations
- 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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- 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 method, including two stages of Construction in Preparatory Stage and constructing operation process；Described constructing operation process includes：1）Template is processed；2）Bed die installation, fix；3）Inner support frame is installed；4）Side form installation, fix；5）Integral reinforcing；6）Box body lifting is in place；7）Tension rib is installed；8）Concreting, monitoring；9）Form removable.Traditional template, flitch, steel pipe are used as raw material the invention provides a kind of, it is that panel, flitch stupefied are fabricated to " box body " as interior stupefied, steel pipe as outer by the use of template, it is arranged on using loop wheel machine in elevator, to solve the problems, such as lateral pressure of the concrete to " box body ", steel pipe support is set in " box body ", to solve the problems, such as the anti-floating of " box body " to 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 is specially a kind of suitable for being applied to elevator in Super High raft plate, catchmenting
The construction of well model sheetinstallat in the Equipment Foundations such as hole, large stadium, industrial premises.
Background technology
With the development of society, the especially continuous quickening of urbanization process, in some societies caused by the big flowing of population
The city of meeting resource Relatively centralized, population are largely converged so that more populations and other societies are accommodated in limited land area
It is very nervous that meeting resource causes soil.Therefore, develop skyscraper and hypogee, have become and solve limited soil most
The method of more utilization rates.
With the development of high-rise building technology, building height is refreshed again and again by new record, to make full use of underground
Space and resistance horizontal loading need, and building height is higher, and its embedded depth of foundation is increasingly deeper, raft plate is more and more thicker.Ordinary circumstance
Under, more than the thickness in general 2m of building raft plate, most thick reachable 10m even more than 10m, are mass concrete；To prevent substantially
Product concrete because pour mode it is unreasonable formed it is cold seam or because internal-external temperature difference it is excessive produce cause concrete cracking situations such as, one
As take layering, segmentation casting concrete, extend the construction period.If adopting an effective measure primary concreting concrete, can keep away
Exempt to produce construction joint or cold seam, improve the globality of concrete.
Super High elevator and its catch pit are generally disposed in raft plate, according to the size of lift car and elevator speed,
Its general well depth >=3m, it is complex by concrete lateral pressure and buoyancy, this formwork reinforcement system.Raft foundation mixes
Solidifying soil can one-time-concreting shaping, be heavily dependent on elevator, whether formwork reinforcement system firm at catch pit.
Under normal circumstances, it is deeper to similar well, to prevent its template system anti-side unstability, take in framework of steel reinforcement
Upper embedded lead screw carries out binding, and inside is taken to be reinforced to support；To prevent template anti-floating, preloading is generally taken on template system
Form, such as the counterweight such as heap template, reinforcing bar, engineering time length, working procedure are complicated.
Therefore, to solve inconvenience, the mass defect that the usual way of the well formwork reinforcement system such as elevator is brought, there is provided
Go out the construction that a kind of new Super High elevator high and big die plate is reinforced, be a good problem to study.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, the invention provides a kind of using traditional template, flitch, steel pipe
For raw material, by the use of template be panel, flitch as interior stupefied, steel pipe as it is outer it is stupefied be fabricated to " box body ", be arranged on using loop wheel machine
In elevator, to solve the problems, such as lateral pressure of the concrete to " box body ", steel pipe support is set in " box body ", to solve " box body "
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 stages of Construction in Preparatory Stage and constructing operation process；
It is characterized in that：Described Construction in Preparatory Stage, including：1）The construction technology preparatory stage；2）The Farm Planning stage；3）Material is accurate
Standby, personnel prepare；Described constructing operation process includes：1）Template is processed；2）Bed die installation, fix；3）Inner support frame is installed；
4）Side form installation, fix；5）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 preparatory stage：Comprise the following steps：（1）Formwork reinforcement system and steel tie design, calculate；
（2）Work out model sheetinstallat special construction plan and confide a technological secret；（3）To use raw material site acceptance, recheck；（4）It is overweight
The technical performance data and acceptance(check) file of mechanical and its supporting lifting gear；（5）Design or code requirement other needs carry
The data of confession；
2）The Farm Planning stage：Including（1）Levelling of the land work, the pine for being unfavorable for mechanical movement in place are carried out before construction
Soft position, take reinforcing, change the measure such as fill out, it is ensured that the safety of crane walking；（2）For the pre- laydown area of 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 not by the position of construction infection, and sets up obvious mark, carry out safeguard measure, inspected periodically, checked；
3）Material mechanical, personnel's preparatory stage：Including（1）Material preparation phase and（2）Personnel's preparatory stage；Described（1）Material
Expect that the mechanical preparatory stage is：According to material analysis and the requirement of construction schedule, materials requirements plan is worked out, for construction
Stock, determine that material stacks place, foundation is provided for organization material transport；According to construction requirement, suitable lifting is selected
Machinery and suspender；Tension rib uses HPB300 20mm, processes in advance in place, and termination is 180 degree crotch, straightway 10d；（2）
Personnel's preparatory stage：Carpenter, scaffolder, play the work personnel arrangement preparations such as heavy industry, commander's work in place；
Described 1）The template process segment：Including the timber used in template and its support system, must not have fragility, serious distortion and
The timber being easily deformed after making moist；Wood plywood corner should scribble edge sealing adhesive, in order to protect the edge sealing adhesive of template corner, in formwork
When at formwork edge joint paste adhesive waterproof tape be protected by, mortar leakage prevention；Wood plywood plate face does not drill hole as far as possible, meets reserved
Hole, repaired in time with common plank；Wood plywood, which is prepared, answers whole directly to use, and reduces arbitrarily saw as far as possible and cuts, causes
Waste；The length of nail should be 1.5-2 times of template thickness；
2）Bed die installation, fixed stage：During including bed die assembling, first spread that wooden springboard is levelling on ground, according to the plane of well
Size determines scantling, then be 450mm as spacing by the use of steel pipe outer stupefied lateral arrangement, by the use of steel pipe as spacing be 600mm
Reinforcement in it is stupefied be longitudinally arranged, and by it is outer it is stupefied with it is interior it is stupefied be connected by fastener, between interior steel is stupefied by spacing 150mm laying flitch
As interior stupefied then flitch is stupefied firm using iron wire colligation with outer steel；Then block-by-block template is followed closely on flitch with nail, and nail is indulged
To being smaller than 100mm；Box body bed die integral assembling and after brushing releasing agent, bed die is integrally overturn, template is face-down；
3）Inner support frame erection stage：After being installed including bottom plate, start by longitudinal pitch 800mm, horizontal spacing 600mm, step pitch
Inner support steel pipe frame is set up for 450mm, support body vertical rod is connected with the stupefied use fastener of the interior steel on bottom plate；Erection of frames presses scaffold
Related specifications are operated；To ensure the globality of inner support frame, support body longitudinally outboard face sets bridging；Frame during setting up
External side, which is set, throws support；
4）Side form installation, fixed stage：After the completion of being set up including inner support frame, flitch is pressed into spacing 150mm iron wire colligation framves
On the outer steel of body surrounding is stupefied, vertical direction, check flitch fix after each surface flatness, start to fix first after meeting the requirements
Layer vertical formwork, with nail by being smaller than 100mm stickfast, after first layer installation, set up outer operating platform, fixed above second
Layer, third layer template, until side form whole installation；
5）The box body integral reinforcing stage：After side form installation, the flatness of each side is checked, and support frame is examined
Look into, it is ensured that each fastener is connected firmly, rod member is smooth vertical and horizontal, stress is reliable；If there is box body size distortion or support body locally loosening,
Consolidation process should be carried out to support body, finally in side form surface brush releasing agent；
6）Box body lifts the stage in place：Including the weight according to box body and operating radius selection lifting machine, described hoisting machine
Tool includes：Truck crane；When live tower crane satisfies the requirements, lifted with tower crane；Suspension centre is arranged on the branch of four angle points of box body
In support vertical rod, connected by the suspension hook of shackle, steel wire rope and loop wheel machine；Box body overall package is completed and after tripartite checks and accepts, side
Lifting can be prepared；Meanwhile the reinforcing bar colligation and its support system installation of raft plate；Commander's truck crane is transferred to lifting position,
Lifting work point does not install the shackle of suspension centre, puts on steel wire rope；After the installation situation and stress center of gravity that check steel wire rope, order command
It after box body is slowly hung into 0.3m~0.5m from the ground, should check whether box body is steady, after inspection is errorless, box body is hung vertically
Rise；It is suitable for reading that box body is hung to well, slowly transferred to after contraposition in well, is manually coordinated using crowbar etc., it is ensured that box body does not touch
Hit reinforcing bar and protective layer cushion block；After dress is in place, the support frame and template of tray interior are checked, prevent from sending out in hoisting process
It is raw to loosen；
7）Tension rib erection stage：After being installed including box body, in the box body horizontal steel pipe of setting suitable for reading as tension rib upper end drawknot
Point, steel pipe are connected with the rod member of the supporting frame the superiors with fastener；The lower end of tension rib and raft plate baseplate reinforcing bar drawknot, raft plate are whole
The deadweight of body framework of steel reinforcement and box body lower concrete pour the weight formed after initial set as anchoring body weight, much larger than drawknot
The tensile strength of reinforcing bar；The quantity of tension rib is installed according to result of calculation；
8）Concreting, monitoring stage：It is included in concreting process, particularly is starting to pour box body altitude range
Interior concrete, will be settled and the monitoring of displacement to box body, and frequency is is monitored once an hour, until concreting is complete
Into and after reaching initial set, can stop monitoring；Including monitoring process box body occur spillage, off normal floating situation, should stop immediately
The position concrete pours, and after studying and defining processing scheme and implementing, can continue concreting；After large volume pours,
Covering curing must be carried out, at well, removing template is also doubled as outside Insulation, to prevent temperature difference between inside and outside concrete at well
It is excessive, gunnysack etc. is equally spread well is suitable for reading, strengthens insulation；
9）The form removable stage：Including generally, the curing time of mass concrete is at least 14 days, in concrete
After the outer temperature difference is basicly stable, insulation material can be removed, equally, the template at well also can just remove；First, by well
The drawknot steel pipe of mouth is removed, tension rib cuts off, then support frame, outer stupefied, interior stupefied, side form are removed from top to bottom, is finally torn open
Stupefied in addition to bed die, interior stupefied, template.
Positive beneficial effect：The present invention discuss, study repeatedly in programming phase, finally the elevator in raft plate foundation ditch,
Effectively used in catch pit model sheetinstallat, template system is safe and reliable so that raft board concrete one-time-concreting is molded, and is accelerated
The speed of application of Core Walls Structure, shorten high building construction period.Traditional template, flitch, steel pipe is used to utilize template for raw material
For panel, flitch as interior stupefied, steel pipe as it is outer it is stupefied be fabricated to " box body ", be arranged on using loop wheel machine in elevator, it is mixed to solve
Solidifying soil sets steel pipe support in " box body ", the anti-floating of concrete is asked to solve " box body " to the lateral pressure problem of " box body "
Topic, " box body " is locked 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 groups in Super High engineering or
Offered reference in industrial premises Large Equipment Foundation and reference significance, to improve the competition that Bao Ye groups construct in Super High
Power is contributed share, and has good promotional value.
Brief description of the drawings
Fig. 1 is the process flow diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described further：
As shown in figure 1, elevator high and big die plate strengthening construction engineering method, including two ranks of Construction in Preparatory Stage and constructing operation process
Section；Described Construction in Preparatory Stage includes：1）The construction technology preparatory stage；2）The Farm Planning stage；3）Material prepares, Ren Yuanzhun
It is standby；Described constructing operation process includes：1）Template is processed；2）Bed die installation, fix；3）Inner support frame is installed；4）Side form is pacified
Dress, fix；5）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 preparatory stage：Comprise the following steps：（1）Formwork reinforcement system and steel tie design,
Calculate；Template uses 15mm thickness glued boards, interior stupefied using 40mm × 80mm flitches, spacing@150mm, it is outer it is stupefied using Ф 48 ×
3.5mm flitches, spacing@450mm；After concrete is calculated to the buoyancy of box body, according to the tensile strength of reinforcing bar, height is calculated respectively
Area's elevator pit（It is two-in-one）, middle area's elevator pit（It is two-in-one）, low area's elevator pit（It is two-in-one）, low area's elevator pit（Solely
Erect and put）, Fire lift well, the quantity of each steel tie of catch pit, respectively 12 pieces/, 8 pieces/, 4 pieces/, 2 pieces/；
（2）Work out model sheetinstallat special construction plan and confide a technological secret；（3）To the raw material site acceptance used, recheck；（4）It is overweight
The technical performance data and acceptance(check) file of mechanical and its supporting lifting gear；（5）Design or code requirement other needs carry
The data of confession.
2）The Farm Planning stage：Including（1）Levelling of the land work is carried out before construction, for being unfavorable for mechanical movement in place
Soft position, take reinforcing, change the measure such as fill out, it is ensured that the safety of crane walking；（2）For the pre- laydown area of material, template
Processing district carries out levelling of the land, compacting；（3）In the venue according to the actual conditions in place, reasonable Arrangement measurement control stake and water
On schedule.Control point should be laid in not by the position of construction infection, and sets up obvious mark, carry out safeguard measure, inspect periodically,
Review.
3）Material mechanical, personnel's preparatory stage：Including（1）Material preparation phase and（2）Personnel's preparatory stage；Described
（1）The material mechanical preparatory stage is：According to material analysis and the requirement of construction schedule, materials requirements plan is worked out, is
Construction stock, determine that material stacks place, foundation is provided for organization material transport；It is suitable according to construction requirement, selection
Hoisting machinery and suspender.Tension rib uses HPB300 20mm, processes in advance in place, and termination is 180 degree crotch, and straightway is
10d.（2）Personnel's preparatory stage：Carpenter, scaffolder, play the work personnel arrangement preparations such as heavy industry, commander's work in place.
Described 1）The template process segment, including：Timber used in template and its support system, there must not be fragility, serious
The timber for distorting and being easily deformed after making moist；Wood plywood corner should scribble edge sealing adhesive, in order to protect the edge sealing adhesive of template corner,
Adhesive waterproof tape is pasted in formwork at formwork edge joint to be protected by, 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, which is prepared, answers whole directly to use, and reduces arbitrarily saw as far as possible
Cut, cause to waste；The length of nail should be 1.5-2 times of template thickness.
2）Bed die installation, fixed stage；During including bed die assembling, it is levelling first to spread wooden springboard on ground, according to well
Plane sizes determine scantling, then by the use of steel pipe as outer stupefied（Spacing is 450mm）Lateral arrangement, by the use of steel pipe as strengthen in it is stupefied
（Spacing is 600mm）Be longitudinally arranged, and by it is outer it is stupefied with it is interior it is stupefied be connected by fastener, between interior steel is stupefied by spacing 150mm lay
Flitch（As interior stupefied）, then flitch is stupefied firm using iron wire colligation with outer steel；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 releasing agent, bed die is integrally overturn, template faces
Under.
3）Inner support frame erection stage：Including bottom plate install after, start by longitudinal pitch 800mm, horizontal spacing 600mm,
Step pitch is that 450mm sets up inner support steel pipe frame, and support body vertical rod is connected with the stupefied use fastener of the interior steel on bottom plate.Erection of frames presses pin
Hand cradle related specifications are operated.To ensure the globality of inner support frame, support body longitudinally outboard face sets bridging.Set up process
Set on the outside of middle support body and throw support.
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
Prick support body surrounding outer steel it is stupefied on, vertical direction, check flitch fix after each surface flatness, start to fix after meeting the requirements
First layer vertical formwork, with nail by 100mm stickfast is smaller than, after first layer installation, outer operating platform is set up, is fixed above
The second layer, third layer template, until side form whole installation.
5）The box body integral reinforcing stage：After side form installation, the flatness of each side is checked, and support frame is entered
Row checks, it is ensured that each fastener is connected firmly, rod member is smooth vertical and horizontal, stress is reliable.If there is box body size distortion or support body is local
Loosen, consolidation process should be carried out to support body, finally in side form surface brush releasing agent.
6）Box body lifts the stage in place：Including the weight according to box body and operating radius selection lifting machine, vapour may be selected
Car is hung, when live tower crane satisfies the requirements, it is also possible to which tower crane is lifted, and this example is computed, high area's elevator（It is two-in-one）Box
The weight of body is 7.2t/, totally 4；Middle area's elevator（It is two-in-one）Box body, low area's elevator（It is two-in-one）The weight of box body is
4.8t/, totally 4；Low area's elevator（Solely set）Weight 2.7t/, totally 3 of box body, Fire lift well box body；Catch pit box
The weight of body is 1.8t/, totally 2.According to operating radius（It is up to 25m）, lifting capacity（It is up to 7.2t）, from QY130K
Truck crane, 9.6t is reached in 26m operating radius, outfit 38t, lifting capacity, meets lifting requirements；Suspension centre is set -- and each box body is all provided with
4 suspension centres are put, with the crosspoint of cross bar in the middle part of each right angle vertical rod, is connected, used with vertical rod using 4 5t bow shackle
2 steel wire ropes（A diameter of 11mm, lifting capacity 6.3t）The shackle of two longitudinal edges is connected respectively, to ensure to lift angle
More than 60 degree, top hangs over the steel wire rope of suspension hook by 2 10t bow shackle by again（A diameter of 12.5mm, lifting capacity
For 8t）It is connected with 2 steel wire ropes of bottom；Box body overall package is completed and after tripartite checks and accepts, and can prepare to lift by crane.Meanwhile
The reinforcing bar colligation and its support system installation of raft plate.Commander's truck crane is transferred to lifting position, and lifting work point is not installed and hung
The shackle of point, puts on steel wire rope.Check steel wire rope installation situation and stress center of gravity after, order command box body is slowly hung to from
It 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, slowly transfer in well, manually coordinated using crowbar etc., it is ensured that box body does not collide reinforcing bar and protective layer pad after contraposition
Block.After dress 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 being installed including box body, in the box body horizontal steel pipe of setting suitable for reading as tension rib upper end
Drawknot node, steel pipe are connected with the rod member of the supporting frame the superiors with fastener.The lower end of tension rib and raft plate baseplate reinforcing bar drawknot, raft
The deadweight of plate entirety framework of steel reinforcement and box body lower concrete pour the weight formed after initial set as anchoring body weight（It is much larger than
The tensile strength of steel tie）.The quantity of tension rib is installed according to result of calculation：
High area's elevator（It is two-in-one）, totally 4, piece/of tension rib quantity 12, each each 6 of box body longitudinal edge, per root long degree 9m.
Middle area's elevator（It is two-in-one）, low area's elevator（It is two-in-one）, it is 2, totally 4, piece/of tension rib quantity 8, each box body
Each 4 of longitudinal edge, per root long degree 7m.Low area's elevator（It is independently arranged）, Fire lift well, each 2,1, totally 3, tension rib number
4 pieces/are measured, each box body is per each 1 of side, per root long degree 7m.Catch pit, totally 2, piece/of tension rib quantity 2, each box body
Each 1 of longitudinal edge, per root long degree 10m, 8m.
8）Concreting, monitoring stage：It is included in concreting process, particularly is starting to pour box body height
In the range of concrete, box body is settled and the monitoring of displacement, frequency is is monitored once an hour, until concrete pours
After building completion and reaching initial set, it can stop monitoring.As monitoring process box body occur spillage, off normal, float situations such as, should stop immediately
Only the position concrete pours, and after studying and defining processing scheme and implementing, can continue concreting.Large volume pours
Afterwards, it is necessary to carry out covering curing, at well, removing template is also doubled as outside Insulation, to prevent at well inside and outside concrete
Excessive temperature differentials, gunnysack etc. is equally spread well is suitable for reading, strengthens insulation.
9）The form removable stage：Including generally, the curing time of mass concrete is at least 14 days, coagulation
After native internal-external temperature difference is basicly stable, insulation material can be removed, equally, the template at well also can just remove.First, 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 supporting comprehensive development item of transportation work style tower of No. 7 lines three of certain urban track traffic is by a high building and annex group
Into, 3 layers of underground, 46 layers on the ground of high building, 7 layers on the ground of podium.Overall floorage is 118461m2, wherein ground overall floorage
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, other plank thickness of high building Core Walls Structure area
For totally 7 kinds of 4m, 4.95m, 6m, 7m, 8m, 9m, 10m；High building area raft floor elevation is -16.3m, bosom bottom absolute altitude for -
26.3m.High building area（Containing elevator, catch pit etc.）Absolute altitude face shares 14 kinds.
The size of elevator（Length × width × height）：5600mm×2500mm×5700mm（High area's elevator, 2-in-1 1, totally 4
It is individual,）,
5600mm×2500mm×3700mm（Middle area's elevator, 2-in-1 1, totally 2,）, 5600mm × 2500mm × 3700mm（Low area
Elevator, 2-in-1 1, totally 2,）, 2700mm × 2500mm × 3700mm（Low area's elevator, is independently arranged, totally 2,）, 2700mm ×
2500mm×3700mm（1, Fire lift）, wherein elevator most depth is 5.7m.
The size of catch pit（Length × width × height）：1000mm×1500mm×6700mm.
The defects of being existed according to Super High elevator, sump high and big die plate conventional mounting arrangements, with reference to certain city rail
In the supporting comprehensive development item raft plate of the positive transportation work style tower of No. 7 lines three of traffic the characteristics of elevator, catch pit, this project passes through to template
The further investigation of installation system, take elevator high and big die plate and this new construction technology is installed.This construction technology passes through general
Lead to template, flitch, steel pipe manufacturing into well size consistent " box body ", be used as inside " box body " using steel pipe to supportting, then box
Body installation is in place, suitable for reading to be locked using steel pipe, and with round steel by steel pipe suitable for reading and raft plate bottom reinforcement bars drawknot, raft board concrete is once
Pouring molding, no longer pour by several times.In casting process, steel pipe pair of the concrete to side force caused by box body by inside setting
Support to arrive in it is anti-, and concrete to buoyancy caused by box bottom by drawknot round steel resist.From construction technology preparation, Farm Planning,
Material preparation, personnel's preparation are installed and fixed to template processing, bed die, inner support frame is installed, side form installation and fixed, entirety add
Gu, box body lifting is in place, tension rib installation, concreting and monitoring, form removable etc. are described in detail.
Application time：This engineering method is in the supporting comprehensive development item application of the positive transportation work style tower of No. 7 lines three of certain urban track traffic
Between be in April, -2017 in March, 2017.
Application effect：Super High elevator high and big die plate installation engineering method in this item purpose application, accelerate construct into
Degree, reduces engineering cost, achieves preferable economic effect, while ensure that construction safety, improve construction quality.With biography
System construction method is compared, and has been saved fund 300,000, has been saved the duration 7 days, has had good application and promotional value, can produce good
Good benefit.
The key control point of the present invention：1st, formwork reinforcement system is carried out in detail, accurately to calculate, and works out detailed special project
Arrangement and method for construction；2nd, establish, perfect quality certification system, carry out detailed technical annotation in construction；3rd, material is tested in strict accordance with marching into the arena
Receive, sample the programs such as reinspection, it is ensured that raw material quality；4th, the biggest lifting capacity and maximum are pressed in the selection of hoisting machinery, lifting device
Operating radius determines；5th, template construct place, the necessary smooth, compacting in loop wheel machine erect-position region；6th, template and support frame are strictly by side
Case is set up, reinforced；7th, hoisting process strict implement " ten do not hang " provides, special messenger commander, box body must not touch with raft slab muscle
Hit；8th, after box body is in place, it is necessary to overall to be checked, reinforced；9th, the necessary stress of tension rib installation is reliable；10th, template surface must
Palpus brush releasing agent, it is ensured that real outer light in concrete.11st, after concrete reaches intensity and conserved, template can be carried out and support body is torn open
Remove.
Safety measure：Adhere to the policy of " Safety first, precaution crucial ", full-time accredited security official, Gong Renjin are set up in building site
Before, educated by security official, periodically carry out site safety activity, further clear and definite security responsibility and security inspection task.
Mechanism of WSO and safety management network are established in scene, work out perfect safety in production system, safety inspection system and safety
Operational procedure, each work post, each teams and groups set up part-time security official.Perform the safe practice before construction to tell somebody what one's real intentions are, conscientiously carry out safe life
Produce diary.Building site sets obvious safety warning-panel, hangs safe poster, carries out safe construction propaganda work.Construction usage
Mechanical tool should inspect periodically performance condition, particularly stress instrument should be complete, to prevent because slip, skid etc. it is unexpected caused by hinder
People, hinder oneself.Electromechanical equipment must special messenger's operation, have to comply with operational procedure during work.Special operation workers (electrician, welder, are hung
Turner and commander's work etc.), except examining through enterprise security, also need to participate in safety operation examination by regulation, obtain supervisory department's core hair
's《Certificate of safety operation》, it is necessary to take appointment with certificate.
Environmental protective measure：Production, the unified management of house refuse：In life, Office Area, some moving refuse boxes are set,
Personal management and cleaning are sent, forbids burning the waste of residual in building site.Living area is set 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 regular maintenance set and management are faced in reinforcement, are removed in time after completion, are recovered smooth shape
State.Job site is forbidden to huddle rubbish and excess, and interim stacking point should be set in appropriate place, personal management, concentrates and stacks, and
Periodically outward transport.Dregs rubbish and fluid products are cleared, to take covering dust prevention, transporting must not scatter in way.To prevent from applying
Work dirt ash fouling, in the ground watering dust prevention of hot weather construction temporary road.The unified management that placing of material, equipment are parked:Material root
Marched into the arena successively according to project progress.Various placings of material classify, and stack neatly, and mark is clear, stack, support body assembly place is done
Neatly cleaned to inside and outside, construction waste material reclaims in time, deals carefully with.Worker is when completing darg, cleaning construction in time
Place, accomplish 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 more than 5 meters with
On, closing isolation during storage；Non-smoking area delimited, effective fire-proof apparatus are set.Forbid arbitrarily taking live surrounding road, hamper
Hinder traffic.Equipment periodic maintenance is used in construction, and live marshalling is attractive in appearance, and plant is parked neatly.Set to large-scale
Standby, accessory considers its transporting and hoisting passage, and tissue installation in place in time, must not damage the product of other unit.Onsite application
Plant equipment, to be deposited by plane fixing point, in accordance with machine security code, often keep safeguarding cleaning.The mark of machinery, compile
Number obvious, safety device is reliable.Sewage, waste water is forbidden disorderly to discharge:Job site keeps the coast is clear with Lin She areas, and sets rain
Water open drain, live draining is set to be protected.Drinking equipment is set in Office Area, Lin She areas and job site, ensures worker
The sanitation and hygiene of drinking water.Running water, altar lamp are eliminated in line with the measure of saving.Sewage, flushing water in construction and other apply
Work water discharges after being discharged into interim sedimentation basin precipitation process.The sewage of machinery discharge formulates emission measure, must not trickle everywhere.
Effective control noise pollution:Carrying on construction work at night must permit through units such as city's environmental protection, departments of municipal administration.And strictly limit the production of noise
It is raw, noise pollution is limited in minimum degree.In order to reduce construction noise, prevent construction noise from polluting, the confidential dress of electric rotating disappears
Sound device, compressor bass will operate as far as possible, and be mounted remotely from the place for closing on house as far as possible, during reasonable arrangement operation
Between, reduction carries on construction work at night, and reduces noise pollution.Construction noise and dust are reduced to closing on the influence of the masses, to big machinery
Take easy noise control measure.Speed limit travels vehicle on-site.Avoid producing dust, and often watering reduces the dirt of dust
Dye.The placing of material and transport of live easily dusting soil will be covered.Low noise is selected as far as possible or has noise elimination device
Construction machinery.The very noisy machinery of job site（Such as：Electric planer, abrasive machine etc.）The mechanical canopy of closing is set, to reduce very noisy
Diffusion.Involve produce very noisy finished product, semi-finished product processing, production job, be placed on closing workplace in complete avoid because
Noise caused by the processing and fabricating of job site.Prevent and treat dust pollution measure:Forbid high-altitude to shed construction rubbish, prevent dust from flying
Raise.Packaging air-tight manner must be taken to carry out when removing building discarded object, cleaned after watering must be first played when cleaning place.It is right
Caused airborne dust in industrial derusting, operator's band protective mask in operation.Progress occupational disease inspection regular to operating personnel.Sternly
Prohibit burning discarded object of ancient India at the construction field (site), prevent flue dust and toxic gas from producing.
Constructed using this engineering method, accelerate construction speed, reduce engineering cost, achieve preferable economic effect, together
When ensure that construction safety, improve construction quality that there is good application and promotional value, good benefit can be produced.
The supporting comprehensive development item high building raft plate of the positive transportation work style tower in certain city three is constructed with this this engineering method, and saving is applied
7 days between man-hour, save cost of labor 150,000, construction machinery etc. and save 100,000, material economy 50,000, directly produce economic benefit and be total to
Count 300,000.
The present invention often is provided with elevator, sump, equipment installation preformed hole etc. in deep mass concrete,
Typically by setting construction joint in shaft bottom or bottom hole, concrete pours at twice, first pours raft plate bottom section, then carry out well
Locate model sheetinstallat, upper reinforcement colligation, then pour top concrete, template is produced during preventing one-time-concreting concrete compared with
Big side force and buoyancy.This construction technology by common templates, flitch, steel pipe manufacturing into well size consistent " box body ",
It is used as using steel pipe to support inside " box 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, the shaping of raft board concrete one-time-concreting, no longer pour by several times.In casting process, concrete pair
Side force caused by box body by inside set steel pipe it is anti-to supporting to arrive in, and concrete to buoyancy caused by box bottom by drawknot
Round steel is resisted.
Embodiment of above is merely to illustrate the preferred embodiment of the present invention, but the present invention is not limited to above-mentioned embodiment party
Formula, in the field those of ordinary skill possessed knowledge, that is made within the spirit and principles in the present invention is any
Modification, equivalent substitute and improvement etc., it is regarded as the protection domain of the application.
Claims (10)
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 in that：Described Construction in Preparatory Stage, including：1）The construction technology preparatory stage；2）The Farm Planning stage；3）Material
Material prepares, personnel prepare；Described constructing operation process includes：1）Template is processed；2）Bed die installation, fix；3）Inner support frame
Installation；4）Side form installation, fix；5）Integral reinforcing；6）Box body lifting is in place；7）Tension rib is installed；8）Concreting, prison
Survey； 9）Form removable.
2. Super High elevator high and big die plate installation engineering method according to claim 1, it is characterised in that：Described 1）
The construction technology preparatory stage：Comprise the following steps：（1）Formwork reinforcement system and steel tie design, calculate；（2）Work out template
Special construction plan is installed and confided a technological secret；（3）To use raw material site acceptance, recheck；（4）It is overweight mechanical and its supporting
The technical performance data and acceptance(check) file of lifting gear；（5）Design or code requirement other data for providing of needs；2）
The ground preparatory stage：Including（1）Carry out levelling of the land before construction to work, the soft position for being unfavorable for mechanical movement in place,
Take reinforcing, change the measure such as fill out, it is ensured that the safety of crane walking；（2）Field is carried out for the pre- laydown area of material, template processing district
Ground is smooth, compacting；（3）In the venue according to the actual conditions in place, reasonable Arrangement measurement control stake and bench mark；Control point should
It is laid in not by the position of construction infection, and sets up obvious mark, carry out safeguard measure, inspects periodically, checks；3）Material machine
Tool, personnel's preparatory stage：Including（1）Material preparation phase and（2）Personnel's preparatory stage；Described（1）Material mechanical prepares rank
Duan Wei：According to material analysis and the requirement of construction schedule, materials requirements plan is worked out, is stocked up for construction, determines goods and materials
Placing of material place, foundation is provided for organization material transport；According to construction requirement, suitable hoisting machinery and suspender are selected；Draw
Knot muscle uses HPB300 20mm, processes in advance in place, and termination is 180 degree crotch, straightway 10d；（2）Personnel's preparatory stage：
Carpenter, scaffolder, play the work personnel arrangement preparations such as heavy industry, commander's work in place.
3. Super High elevator high and big die plate installation engineering method according to claim 1, described described 1）Template
Process segment：Including the timber used in template and its support system, must not there are fragility, serious distortion and be easily deformed after making moist
Timber；Wood plywood corner should scribble edge sealing adhesive, in order to protect the edge sealing adhesive of template corner, be glued in formwork at formwork edge joint
Patch adhesive waterproof tape is protected by, mortar leakage prevention；Wood plywood plate face does not drill hole as far as possible, reserving hole is met, with common plank
Repaired in time；Wood plywood, which is prepared, answers whole directly to use, and reduces arbitrarily saw as far as possible and cuts, causes to waste；The length of nail
It should be 1.5-2 times of template thickness.
4. Super High elevator high and big die plate installation engineering method according to claim 1, described 2）Bed die is installed, is solid
Determine the stage：During including bed die assembling, first spread that wooden springboard is levelling on ground, scantling determined according to the plane sizes of well,
The outer stupefied lateral arrangement for being again 450mm as spacing by the use of steel pipe, by the use of steel pipe as spacing be stupefied longitudinal cloth in 600mm reinforcement
Put, and by it is outer it is stupefied with it is interior it is stupefied be connected by fastener, by spacing 150mm laying flitches as interior stupefied between interior steel is stupefied, then by wood
It is square stupefied firm using iron wire colligation 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 releasing agent, bed die is integrally overturn, template is face-down.
5. Super High elevator high and big die plate installation engineering method according to claim 1, described 3）Inner support frame is pacified
The dress stage：After being installed including bottom plate, it is that 450mm sets up inner support to start by longitudinal pitch 800mm, horizontal spacing 600mm, step pitch
Steel pipe frame, support body vertical rod are connected with the stupefied use fastener of the interior steel on bottom plate；Erection of frames is operated by scaffold related specifications；
To ensure the globality of inner support frame, support body longitudinally outboard face sets bridging；Set during setting up on the outside of support body and throw support.
6. Super High elevator high and big die plate installation engineering method according to claim 1, described 4）Side form is installed, is solid
Determine the stage：After the completion of being set up including inner support frame, by flitch by spacing 150mm with the outer steel of iron wire colligation support body surrounding it is stupefied on,
Vertical direction, the flatness on each surface after flitch fixation is checked, starts to fix first layer vertical formwork after meeting the requirements, uses nail
By 100mm stickfast is smaller than, after first layer installation, outer operating platform is set up, fixes the second layer, third layer template above, directly
To side form whole installation.
7. 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 side form installation, the flatness of each side is checked, and support frame is checked, it is ensured that each fastener connects
Connect firmly, rod member is smooth vertical and horizontal, stress is reliable；If box body size distortion occur or support body locally loosening, support body should be added
Gu processing, finally in side form surface brush releasing agent.
8. Super High elevator high and big die plate installation engineering method according to claim 1, described 6）Box body lifts just
The position stage：Include including the weight according to box body and operating radius selection lifting machine, described lifting machine：Truck crane；It is existing
When field tower crane satisfies the requirements, lifted with tower crane；Suspension centre is arranged in the support frame vertical rod of four angle points of box body, by unloading
The suspension hook of button, steel wire rope 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 colligation and its support system installation of plate；Commander's truck crane is transferred to lifting position, and lifting work point does not install suspension centre
Shackle, put on steel wire rope；After the installation situation and stress center of gravity that check steel wire rope, box body is slowly hung to liftoff by order command
It 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, slowly transfer in well, manually coordinated using crowbar etc., it is ensured that box body does not collide reinforcing bar and protective layer cushion block after contraposition；
After dress is in place, the support frame and template of tray interior are checked, prevent from loosening in hoisting process.
9. Super High elevator high and big die plate installation engineering method according to claim 1, described 7）Tension rib is installed
Stage：After being installed including box body, in the box body horizontal steel pipe of setting suitable for reading as tension rib upper end drawknot node, steel pipe and supporting frame
The rod member of the superiors is connected with fastener；The lower end of tension rib and raft plate baseplate reinforcing bar drawknot, the deadweight 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 result of calculation.
10. Super High elevator high and big die plate installation engineering method according to claim 1, described 8）Concrete pours
Build, the monitoring stage：It is included in concreting process, particularly is starting to pour the concrete in box body altitude range,
Box body is settled and the monitoring of displacement, frequency until concreting completion and reach initial set to be monitored once an hour
Afterwards, can stop monitoring；Including monitoring process box body occur spillage, off normal floating situation, the position concrete should be stopped immediately
Pour, study and define processing scheme and implement after, concreting can be continued；After large volume pours, it is necessary to covered
Maintenance, at well, removing template is also doubled as outside Insulation, to prevent that temperature difference between inside and outside concrete is excessive at well, in well
It is suitable for reading equally to spread gunnysack etc., strengthen insulation；Described 9）The form removable stage：Including generally, mass concrete
Curing time at least be 14 days, after temperature difference between inside and outside concrete is basicly stable, insulation material can be removed, equally, at well
Template also can just remove；First, well drawknot steel pipe suitable for reading is removed, tension rib is cut off, then by support frame, outer stupefied, interior
Stupefied, side form is removed from top to bottom, finally removes outer stupefied, the interior stupefied, template of bed die.
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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 |
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| 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 |
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| 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 |
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| CN107503365B (en) | 2019-07-30 |
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