CN109853387A - Application of the framework of steel reinforcement Integral Lifting Technology in Coping Construction - Google Patents
Application of the framework of steel reinforcement Integral Lifting Technology in Coping Construction Download PDFInfo
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- CN109853387A CN109853387A CN201811557974.4A CN201811557974A CN109853387A CN 109853387 A CN109853387 A CN 109853387A CN 201811557974 A CN201811557974 A CN 201811557974A CN 109853387 A CN109853387 A CN 109853387A
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Abstract
The invention discloses a kind of application of framework of steel reinforcement Integral Lifting Technology in Coping Construction, it is characterized by comprising following steps, Step 1: the binding of bent cap reinforcing bar: lid beam steel bar colligation carries out on the default frame of making base of steelframe booth, and each main reinforcement position and spacing are indicated on moulding bed；Step 2: the transport of framework of steel reinforcement；Step 3: the lifting of framework of steel reinforcement；Step 4: the adjustment of column top reinforcing bar, makes position alignment in its decentralization process；Step 5: the decentralization of framework of steel reinforcement.The technique of bent cap framework of steel reinforcement integral hoisting, improve framework of steel reinforcement overall processing and installation quality, improve cover to reinforcement qualification rate, improve working efficiency, reduce high-rise working in traditional handicraft in terms of there is unique advantage.
Description
Technical field
The present invention relates to bridge construction technical field, in particular to a kind of framework of steel reinforcement Integral Lifting Technology is in Coping Construction
In application.
Background technique
Traditional Coping Construction is generally divided into two kinds of forms, a kind of to support bed die to set up bracket in pier stud below and around
Form, another kind are the form that Hold Hoop method supports bed die, the artificial binding and peace for carrying out framework of steel reinforcement of construction site crane cooperation
Dress, traditional construction construction technology speed is slow, the lifting time is long, it is long to occupy the bent cap bed die time, reinforcement installation precision is not high lacks
Point has constrained Coping Construction quality, influences engineering quality.
Traditional means of transportation shortcoming and defect, traditional means of transportation shortcoming and defect: first is that Coping Construction height compared with
Height, generally above 5m belong to high altitude operation, and the framework of steel reinforcement on-site hoisting time is long, and the field worker high altitude operation time increases,
Danger coefficient increases；Second is that skeleton construction site platform is narrow, and steelframe skeleton is larger, and impetus is difficult to ensure, is unfavorable for work
People's operation, installation accuracy is low, is unfavorable for the control such as reinforcement location, spacing, protective layer, influences Coping Construction quality；Third is that live
Mounting framework is time-consuming long, while occupying that the bent cap bed die time is long, and the template turnaround time is long, is unfavorable for construction progress control；Simultaneously
In-site installation demand personnel amount increases, and crane constructive group increases, and installation speed is slow, and labor intensive is more, and low efficiency is unfavorable
In economic control；Fourth is that Coping Construction scene place is limited, crane decorating position is difficult to ensure, is occupied sidewalk often and is carried out skeleton
Lifting, to causing construction to influence other construction technologies to unsmooth.
Summary of the invention
The object of the present invention is to provide a kind of raising framework of steel reinforcement overall processing and installation quality, improve cover to reinforcement conjunction
Lattice rate, the framework of steel reinforcement Integral Lifting Technology of security risk for improving working efficiency, reducing high-rise working in traditional handicraft are covering
Application in beam construction.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of framework of steel reinforcement integral hoisting
Application of the technology in Coping Construction, includes the following steps,
Step 1: the binding of bent cap reinforcing bar: lid beam steel bar colligation carries out on the default frame of making base of steelframe booth, indicates on moulding bed each
Main reinforcement position and spacing；
Step 2: the transport of framework of steel reinforcement；
Step 3: the lifting of framework of steel reinforcement: framework of steel reinforcement, which is transported to behind scene, must choose two suitable positions as suspension centre, two
Lifting point positional distance is bigger than normal or less than normal, keeps top surface reinforcing steel bar bear uneven, easily causes other reinforcing bars and generates displacement；It will when lifting
Two suspension centres are selected at the one third position at both ends by framework of steel reinforcement one dividing into three, and hoisting point position is flat as lifting by crane using square steel
Spreader beam, square steel are placed in below main reinforcement skeleton, and wirerope is hung on square steel, and two wirerope, two wirerope are arranged in each suspension centre
Spacing is 70-90cm, and two pairs of suspension centres select 80 × 80 thickness 6mm square steel each one, length 160cm, below framework of steel reinforcement before,
According to drawing requirement, protective layer cushion block is set on bed die；
Step 4: the adjustment of column top reinforcing bar, makes position alignment in its decentralization process；
Step 5: the decentralization of framework of steel reinforcement: first high column side in place, then bottom column in place side when skeleton decentralization is in place, just
Frame position is finely adjusted during position, it is ensured that frame position is accurate.
Preferably, two wirerope spacing are 80cm in the step 3.
Preferably, in the step 1 when bent cap skeleton is bound, mould bases being placed in skeleton and is bound together, control in advance
Make each reinforcement location.
Preferably, the transport in the step 2 is transported to construction site using flat car.
Preferably, needing to have planned transportation route in advance in the step 2, before transport, road conditions are determined.
Preferably, the time of the step 3 to step 5 is -60 minutes 40 minutes.
Preferably, the time of the step 3 to step 5 is 50 minutes.
Preferably, the bent cap skeleton is bound on moulding bed.
In conclusion the invention has the following advantages: when being constructed using traditional handicraft, semi-finished product manufacturing artificial
Also need 5 work days, live artificial 6 people of quantity of tie with reinforcing bar installation requirements, the working time about 7 hours, work day quantity
For 5.25 work days, cooperative mechanical is 0.88 machine-team；Sea opens high speed project bent cap total amount 90, nearly 120,000 yuan of save the cost, passes through
This project proves, the integral hoisting of bent cap framework of steel reinforcement can not only save the cost, and working efficiency is higher, can effectively facilitate construction
The promotion of progress.
The artificial demand in framework of steel reinforcement on-site hoisting scene is 4 people, and the lifting time is about 40 minutes, and work day quantity is 0.35
Work day, truck crane mechanical one-shift are 0.1 machine-team；Semi-finished product processing artificial work day is 5 work days, framework of steel reinforcement one in reinforcing bar greenhouse
Secondary property binding molding was about 2 work days, used gantry crane cooperation is artificial to carry out skeleton binding in greenhouse, the conversion of mechanical one-shift quantity is
On 0.2 work day, number of workers needed for using integral hoisting technique to carry out the construction of bent cap framework of steel reinforcement is 7.35 work day, cooperative mechanical platform
Class's total amount is 0.3 machine-team；
In conclusion the technique of bent cap framework of steel reinforcement integral hoisting, is improving framework of steel reinforcement overall processing and installation quality, is improving
Cover to reinforcement qualification rate, the security risk etc. for improving working efficiency, reducing high-rise working in traditional handicraft have uniqueness
Advantage.
Specific embodiment
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Embodiment:
Framework of steel reinforcement must choose two suitable positions as suspension centre after being transported to scene, and two lifting point positional distances are bigger than normal or inclined
It is small, keep top surface reinforcing steel bar bear uneven, easily causes other reinforcing bars and generate displacement；By framework of steel reinforcement one dividing into three when lifting, by two
Suspension centre is selected at the one third position at both ends, and for hoisting point position using square steel as lifting shoulder pole girder, square steel is placed in main reinforcement skeleton
Lower section, wirerope are hung on square steel, and two wirerope are arranged in each suspension centre, and two wirerope spacing are 80cm, two pairs of suspension centre choosings
With 80 × 80 thickness 6mm square steel each one, length 160cm, below framework of steel reinforcement before, according to drawing requirement, set on bed die
Set protective layer cushion block, it is ensured that bent cap bottom protective layer meets drawing requirement；
The capital reinforcing bar that opposes simultaneously is adjusted, and prevents bent cap skeleton when transferring because reinforcement location mismatch causes decentralization difficult；
First high column side in place, then bottom column in place side when skeleton decentralization is in place, carries out frame position during in place
Fine tuning, it is ensured that frame position is accurate, and protective layer thickness meets design requirement.
Lid beam steel bar colligation carries out on the default frame of making base of steelframe booth, and each main reinforcement position, spacing, reinforcing bar are indicated on moulding bed
Installation progress is easy to get guarantee；
Assembling reinforcement shortens worker's high altitude operation time in greenhouse, reduces the risk factors of work progress, increases bent cap
Construction safety coefficient, is conducive to safe construction；
Place is spacious in reinforcement yard, and worker operation, walking are convenient, and speed of application is fast, and steel flxer day is reduced；
The on-site hoisting time is short, and demand crane machine-team quantity is reduced, and the occupancy sidewalk time is also reduced, and is conducive to each ring in construction site
Section control.
When framework of steel reinforcement side is pricked in, capital reinforcing bar mould bases is made according to drawing capital reinforcing bar shape, is helped in bent cap skeleton
When bundle, mould bases is placed in skeleton and is bound together, control each reinforcement location in advance, such way can effectively evade skeleton lifting just
Capital reinforcing bar and bent cap frame position inaccuracy when position and lead to difficulty in place, effectively raise the lifting of bent cap skeleton
Efficiency further shortens the time in place.
Bent cap is transported to construction site using Special flat truck, to guarantee that transport smoothly, should plan transportation route, really in advance
It is good to protect road conditions, guarantees that bent cap skeleton is smoothly transported to construction site.
Skeleton lifting belongs to the lifting of big object, and danger coefficient is larger, and it is strong that correct, rigorous, implementation should be worked out before construction
Security control scheme sets up safe leading group, formulates Safety Production Target and configures production safety management people by related request
Member, while reinforcing the education and training work of construction site Security Officer, accomplish to be checked daily, corrects phenomenon of operating against regulations, disappear
Except security risk, system of responsibility in safe production is earnestly implemented.
Each bent cap lifting, in place, micro-adjustment time are about 40 minutes, and the time is longer, to guarantee construction personnel's safety, are applied
Safeguard procedures on work platform must be arranged according to specification, and construction personnel and signalman's close fit are reinforced linking up, it is ensured that peace
Entirely.
The practice of bridge on highway Coping Construction is opened by sea, bent cap framework of steel reinforcement integral hoisting technique is in practice of construction
After middle application, reduce on-site construction time, realize factorial construction, entire bent cap skeleton binds completion on moulding bed, guarantees
Bent cap skeleton reinforcing steel bar is smooth vertical and horizontal, spacing dimension meets code requirement, improves whole construction quality and effectively improves
Protective layer qualification rate, while bed die holding time and worker's high altitude operation time can be effectively reduced, construction speed is accelerated, it is real
Safety in production is showed.
When being constructed using traditional handicraft, semi-finished product manufacturing artificial also needs 5 work days, live tie with reinforcing bar
Artificial 6 people of quantity of installation requirements, the working time about 7 hours, work day quantity was 5.25 work days, and cooperative mechanical is 0.88 machine-team；Sea
High speed project bent cap total amount 90 are opened, nearly 120,000 yuan of save the cost, is proved by this project, the integral hoisting of bent cap framework of steel reinforcement is not
It is only capable of save the cost, and working efficiency is higher, the promotion of construction speed can be effectively facilitated.
The artificial demand in framework of steel reinforcement on-site hoisting scene is 4 people, and the lifting time is about 40 minutes, and work day quantity is 0.35
Work day, truck crane mechanical one-shift are 0.1 machine-team；Semi-finished product processing artificial work day is 5 work days, framework of steel reinforcement one in reinforcing bar greenhouse
Secondary property binding molding was about 2 work days, used gantry crane cooperation is artificial to carry out skeleton binding in greenhouse, the conversion of mechanical one-shift quantity is
On 0.2 work day, number of workers needed for using integral hoisting technique to carry out the construction of bent cap framework of steel reinforcement is 7.35 work day, cooperative mechanical platform
Class's total amount is 0.3 machine-team；
In conclusion the technique of bent cap framework of steel reinforcement integral hoisting, is improving framework of steel reinforcement overall processing and installation quality, is improving
Cover to reinforcement qualification rate, the security risk etc. for improving working efficiency, reducing high-rise working in traditional handicraft have uniqueness
Advantage.
It is quick, accurate in place for guarantee skeleton, framework of steel reinforcement position is released on end template according to drawing position in advance, and
It is indicated with cotton rope, commanding commands loop wheel machine slowly to rotate principal arm and slowly leans on close-target, pass through fine tuning according to markings when lifting
Gin pole direction and angle make two line overlaps；
To ensure safety, lifting operation area, it is necessary to isolated area be arranged, and must not have other staff's entrance in lifting radius 25m；Together
When should be equipped with two signalman when lifting, in the localities with a signalman each on Coping Construction platform, signal is used when hoisting and hanging
It blows a whistle plus small red flag carries out the transmitting of lifting operation information.
Claims (8)
1. a kind of application of framework of steel reinforcement Integral Lifting Technology in Coping Construction, it is characterised in that: include the following steps,
Step 1: the binding of bent cap reinforcing bar: lid beam steel bar colligation carries out on the default frame of making base of steelframe booth, indicates on moulding bed each
Main reinforcement position and spacing；
Step 2: the transport of framework of steel reinforcement；
Step 3: the lifting of framework of steel reinforcement: framework of steel reinforcement, which is transported to behind scene, must choose two suitable positions as suspension centre, two
Lifting point positional distance is bigger than normal or less than normal, keeps top surface reinforcing steel bar bear uneven, easily causes other reinforcing bars and generates displacement；It will when lifting
Two suspension centres are selected at the one third position at both ends by framework of steel reinforcement one dividing into three, and hoisting point position is flat as lifting by crane using square steel
Spreader beam, square steel are placed in below main reinforcement skeleton, and wirerope is hung on square steel, and two wirerope, two wirerope are arranged in each suspension centre
Spacing is 70-90cm, and two pairs of suspension centres select 80 × 80 thickness 6mm square steel each one, length 160cm, below framework of steel reinforcement before,
According to drawing requirement, protective layer cushion block is set on bed die；
Step 4: the adjustment of column top reinforcing bar, makes position alignment in its decentralization process；
Step 5: the decentralization of framework of steel reinforcement: first high column side in place, then bottom column in place side when skeleton decentralization is in place, just
Frame position is finely adjusted during position, it is ensured that frame position is accurate.
2. application of the framework of steel reinforcement Integral Lifting Technology according to claim 1 in Coping Construction, it is characterised in that: institute
It states in step 3, two wirerope spacing are 80cm.
3. application of the framework of steel reinforcement Integral Lifting Technology according to claim 1 in Coping Construction, it is characterised in that: institute
It states in step 1, when bent cap skeleton is bound, mould bases is placed in skeleton and is bound together, controls each reinforcement location in advance.
4. application of the framework of steel reinforcement Integral Lifting Technology according to claim 1 in Coping Construction, it is characterised in that: institute
The transport stated in step 2 is transported to construction site using flat car.
5. application of the framework of steel reinforcement Integral Lifting Technology according to claim 1 in Coping Construction, it is characterised in that: institute
It states in step 2, needs to have planned transportation route in advance before transport, determine road conditions.
6. application of the framework of steel reinforcement Integral Lifting Technology according to claim 1 in Coping Construction, it is characterised in that: institute
The time for stating step 3 to step 5 is -60 minutes 40 minutes.
7. application of the framework of steel reinforcement Integral Lifting Technology according to claim 6 in Coping Construction, it is characterised in that: institute
The time for stating step 3 to step 5 is 50 minutes.
8. application of the framework of steel reinforcement Integral Lifting Technology according to claim 3 in Coping Construction, it is characterised in that: institute
Bent cap skeleton is stated to bind on moulding bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811557974.4A CN109853387A (en) | 2018-12-19 | 2018-12-19 | Application of the framework of steel reinforcement Integral Lifting Technology in Coping Construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811557974.4A CN109853387A (en) | 2018-12-19 | 2018-12-19 | Application of the framework of steel reinforcement Integral Lifting Technology in Coping Construction |
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| CN109853387A true CN109853387A (en) | 2019-06-07 |
Family
ID=66891632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811557974.4A Pending CN109853387A (en) | 2018-12-19 | 2018-12-19 | Application of the framework of steel reinforcement Integral Lifting Technology in Coping Construction |
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2018
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| JP2001182013A (en) * | 1999-12-28 | 2001-07-03 | Kaimon:Kk | Precast concrete reaction wall body for bridge and bridge support device using this wall body and installing method therefor |
| WO2009136762A2 (en) * | 2008-05-09 | 2009-11-12 | 주식회사 오케이컨설턴트 | Method for the continuous construction of psc composite girders using cross beams as fixing parts, and a structure therefor |
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Application publication date: 20190607 |
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