CN110405905A - It is a kind of to hang nail construction method for the pre-buried of precast slab - Google Patents
It is a kind of to hang nail construction method for the pre-buried of precast slab Download PDFInfo
- Publication number
- CN110405905A CN110405905A CN201910619792.3A CN201910619792A CN110405905A CN 110405905 A CN110405905 A CN 110405905A CN 201910619792 A CN201910619792 A CN 201910619792A CN 110405905 A CN110405905 A CN 110405905A
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- China
- Prior art keywords
- nail
- precast slab
- steam
- hang
- reinforcing bar
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F33/00—Tools or devices specially designed for handling or processing wire fabrics or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/093—Producing shaped prefabricated articles from the material by vibrating or jolting by means directly acting on the material, e.g. by cores wholly or partly immersed in the material or elements acting on the upper surface of the material
- B28B1/0935—Producing shaped prefabricated articles from the material by vibrating or jolting by means directly acting on the material, e.g. by cores wholly or partly immersed in the material or elements acting on the upper surface of the material using only elements wholly or partly immersed in the material, e.g. cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/29—Producing shaped prefabricated articles from the material by profiling or strickling the material in open moulds or on moulding surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/0056—Means for inserting the elements into the mould or supporting them in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The present invention be it is a kind of hang nail construction method for the pre-buried of precast slab, its step are as follows: binding prefabricated board reinforcing bar；Bolt prefabricated board template；The nail ready for use that hangs is fixed on position-limited rack；Nail bottom will be hung and be fixedly connected with molding reinforcing bar bottom is bound, casting concrete is prepared；After prefabricated board template acceptance(check), concrete is vibrated using vibrating spear；Concrete stops 15 minutes after the completion of vibrating, and carries out surface plastering；After the completion of coagulation pours, conserved using steam；It is spare that precast slab is hoisted to component storage area after concrete formation.The present invention is compared with prior art, it is blocked after use with mortar, without cutting, it is not exposed, the purchase cost of round steel is saved, Current Collector Sleave is single, not cumbersome, improve construction efficiency, the present invention will hang nail bottom and bind molding reinforcing bar bottom and be fixedly connected, and prevent from hanging nail when concreting being subjected to displacement, and meet the appearance of precast slab and be used in turn demand.
Description
Technical field
The present invention relates to it is pre-buried hang nail technical field more particularly to it is a kind of for precast slab it is pre-buried hang nail construction
Method.
Background technique
In construction, as the architectural engineering temporary road construction of construction necessary condition, to prevent from largely using one
The a large amount of building waste of generation caused by secondary property temporary facility, causes the waste of buildings and resources, according to national standard " green
Construction evaluation criterion " and Green Construction Guidelines and implement green construction " four sections be energy conservation, save land, it is water-saving and section material, a ring
The requirement of guarantor " promotes and applies the reusable temporary road plate skill of assembled in the hardening for carrying out construction site temporary road
Art.
Road surface is all made of prefabricated concrete slab in construction, and the suspension centre technology of existing precast slab generallys use
There is reinforcing steel bars exposed as suspension centre in round steel, cannot reuse after cutting reinforcing bar, certain waste be caused, after cutting
Reinforcing bar is not easy to block, and construction efficiency is lower, and Current Collector Sleave is comparatively laborious, and the appearance and turnover for being unable to satisfy precast slab make
Use demand.
Summary of the invention
Present invention seek to address that the deficiencies in the prior art, and provides and a kind of hang nail construction for the pre-buried of precast slab
Method.
The present invention to achieve the above object, using following technical scheme:
It is a kind of to hang nail construction method for the pre-buried of precast slab, which is characterized in that its step are as follows:
(1) prefabricated board reinforcing bar is made of upper layer and lower layer reinforced mesh, using first artificial assembling reinforcement mesh sheet, integrally carry into
Mould construction, controls bar spacing using position-limited rack when reinforcing bar is bound, and galvanized wire will securely when binding, and binding galvanized wire head should be to reinforcing bar side
Face is pushed down, and forbids going deep into protective layer, and galvanized wire button is that some trippings in blossom type interval are bound when assembling reinforcement mesh sheet；
(2) prefabricated board template is made of four side forms and a piece of bed die, prefabricated using crouching bottom, the side form and side form of template,
Side form and bed die are all made of bolt；
(3) by it is ready for use hang screw top portion and hang nail matched ball fixation hang nail, then by the spiral shell at the top of ball
Bolt is fixed on position-limited rack；
(4) nail bottom will be hung and be fixedly connected with molding reinforcing bar bottom is bound, casting concrete is prepared；
(5) after the acceptance(check) of prefabricated board template, by overhead traveling crane handling template to mix platform car, each trolley can put 4 sets
Template, the mobile mixing station feed opening cloth ash of trolley, concrete are vibrated using vibrating spear, vibrate sequence since at near-lying mode plate, first
In after outer, mobile spacing should not exceed 25cm, and the distance of vibrating spear to template should not exceed 0.5 times of vibrating spear effective radius；
(6) concrete stops 15 minutes after the completion of vibrating, and carries out surface plastering using wooden float first, then artificial to use
Plasterer's trowel is carefully put down, and is carried out hair pulling treatment after the completion, is forbidden sprinkling water during plucking, uses after the completion of one group of 4 module component pours
Component is hoisted to ward and placed 4 hours by overhead traveling crane, is during which carefully put down using plasterer's trowel opposite, and number of plastering is no less than
3 times；
(7) it after the completion of coagulation pours, is conserved using steam, 5 layers can be at most stacked in steam-cured pond, 4 every layer, be anti-
Only the water loss of top layer's component surface is too fast, and skin effect phenomenon occurs, and takes in top layer's component surface and is laid with plastic film
Method, the water droplet to prevent steam-cured pond from covering are fallen on component, and an anti-fluid barrier is set up above component before steam-cured；
(8) top rubber ball is deducted after concrete formation, form removal, is then connected using duckbilled hanging ring with screw top portion is hung
It connects, it is spare that precast slab is hoisted to component storage area.
Preferably, the precast slab with a thickness of 150-200m.
Preferably, prefabricated board template uses set shaped steel formwork in the step (2).
Preferably, the steam-cured process of the step (7) are as follows: quiet outside steam-cured pond to put 4 hours, temperature is in steam-cured pond
20-25 DEG C quiet to put 2 hours, then heats up 2 hours, is warming up to 50-55 DEG C of constant temperature 2 hours, is finally cooled to 20-25 DEG C and quiet puts 2
Hour.
Preferably, duckbilled hanging ring used in the step (8) and to hang nail and hang be complete connection.
The beneficial effects of the present invention are: the present invention provide it is a kind of hang nail construction method for the pre-buried of precast slab,
Compared with prior art, blocked after use with mortar, do not have to cutting, it is not exposed, saved the purchase cost of round steel, Current Collector Sleave list
One, it is not cumbersome, construction efficiency is improved, the present invention will hang nail bottom and be fixedly connected with molding reinforcing bar bottom is bound, and prevent
Nail is only hung when concreting to be subjected to displacement, and meets the appearance of precast slab and is used in turn demand.
Specific embodiment
Below with reference to embodiment, the invention will be further described:
It is a kind of to hang nail construction method for the pre-buried of precast slab, which is characterized in that its step are as follows:
(1) prefabricated board reinforcing bar is made of upper layer and lower layer reinforced mesh, using first artificial assembling reinforcement mesh sheet, integrally carry into
Mould construction, controls bar spacing using position-limited rack when reinforcing bar is bound, and galvanized wire will securely when binding, and binding galvanized wire head should be to reinforcing bar side
Face is pushed down, and forbids going deep into protective layer, and galvanized wire button is that some trippings in blossom type interval are bound when assembling reinforcement mesh sheet；
(2) prefabricated board template is made of four side forms and a piece of bed die, prefabricated using crouching bottom, the side form and side form of template,
Side form and bed die are all made of bolt；
(3) by it is ready for use hang screw top portion and hang nail matched ball fixation hang nail, then by the spiral shell at the top of ball
Bolt is fixed on position-limited rack；
(4) nail bottom will be hung and be fixedly connected with molding reinforcing bar bottom is bound, casting concrete is prepared；
(5) after the acceptance(check) of prefabricated board template, by overhead traveling crane handling template to mix platform car, each trolley can put 4 sets
Template, the mobile mixing station feed opening cloth ash of trolley, concrete are vibrated using vibrating spear, vibrate sequence since at near-lying mode plate, first
In after outer, mobile spacing should not exceed 25cm, and the distance of vibrating spear to template should not exceed 0.5 times of vibrating spear effective radius；
(6) concrete stops 15 minutes after the completion of vibrating, and carries out surface plastering using wooden float first, then artificial to use
Plasterer's trowel is carefully put down, and is carried out hair pulling treatment after the completion, is forbidden sprinkling water during plucking, uses after the completion of one group of 4 module component pours
Component is hoisted to ward and placed 4 hours by overhead traveling crane, is during which carefully put down using plasterer's trowel opposite, and number of plastering is no less than
3 times；
(7) it after the completion of coagulation pours, is conserved using steam, 5 layers can be at most stacked in steam-cured pond, 4 every layer, be anti-
Only the water loss of top layer's component surface is too fast, and skin effect phenomenon occurs, and takes in top layer's component surface and is laid with plastic film
Method, the water droplet to prevent steam-cured pond from covering are fallen on component, and an anti-fluid barrier is set up above component before steam-cured；
(8) top rubber ball is deducted after concrete formation, form removal, is then connected using duckbilled hanging ring with screw top portion is hung
It connects, it is spare that precast slab is hoisted to component storage area.
Preferably, the precast slab with a thickness of 150-200m.
Preferably, prefabricated board template uses set shaped steel formwork in the step (2).
Preferably, the steam-cured process of the step (7) are as follows: quiet outside steam-cured pond to put 4 hours, temperature is in steam-cured pond
20-25 DEG C quiet to put 2 hours, then heats up 2 hours, is warming up to 50-55 DEG C of constant temperature 2 hours, is finally cooled to 20-25 DEG C and quiet puts 2
Hour.
Preferably, duckbilled hanging ring used in the step (8) and to hang nail and hang be complete connection.
Embodiment 1
A kind of to hang nail construction method for the pre-buried of precast slab, its step are as follows:
(1) prefabricated board reinforcing bar is made of upper layer and lower layer reinforced mesh, using first artificial assembling reinforcement mesh sheet, integrally carry into
Mould construction, controls bar spacing using position-limited rack when reinforcing bar is bound, and galvanized wire will securely when binding, and binding galvanized wire head should be to reinforcing bar side
Face is pushed down, and forbids going deep into protective layer, and galvanized wire button is that some trippings in blossom type interval are bound when assembling reinforcement mesh sheet；
(2) prefabricated board template uses set shaped steel formwork, and prefabricated board template is made of four side forms and a piece of bed die, using crouching
Bottom is prefabricated, and the side form and side form, side form and bed die of template are all made of bolt；
(3) by it is ready for use hang screw top portion and hang nail matched ball fixation hang nail, then by the spiral shell at the top of ball
Bolt is fixed on position-limited rack；
(4) nail bottom will be hung and be fixedly connected with molding reinforcing bar bottom is bound, casting concrete is prepared；
(5) after the acceptance(check) of prefabricated board template, by overhead traveling crane handling template to mix platform car, each trolley can put 4 sets
Template, the mobile mixing station feed opening cloth ash of trolley, concrete are vibrated using vibrating spear, vibrate sequence since at near-lying mode plate, first
In after outer, mobile spacing is 15cm, and the distance of vibrating spear to template is 0.4 times of vibrating spear effective radius；
(6) concrete stops 15 minutes after the completion of vibrating, and carries out surface plastering using wooden float first, then artificial to use
Plasterer's trowel is carefully put down, and is carried out hair pulling treatment after the completion, is forbidden sprinkling water during plucking, uses after the completion of one group of 4 module component pours
Component is hoisted to ward and placed 4 hours by overhead traveling crane, is during which carefully put down using plasterer's trowel opposite, and number of plastering is 4 times；
(7) it after the completion of coagulation pours, is conserved using steam, steam-cured process are as follows: quiet outside steam-cured pond to put 4 small
When, in steam-cured pond temperature be 20 DEG C it is quiet put 2 hours, then heat up 2 hours, be warming up to 50 DEG C of constant temperature 2 hours, be finally cooled to 20
It is DEG C quiet to put 2 hours, 5 layers are stacked in steam-cured pond, and 4 every layer, to prevent top layer's component surface water loss too fast, peeling occurs
Phenomenon takes the method for being laid with plastic film in top layer's component surface, and the water droplet to prevent steam-cured pond from covering is fallen on component,
An anti-fluid barrier is set up before steam-cured above component；
(8) top rubber ball is deducted after concrete formation, form removal, is then connected using duckbilled hanging ring with screw top portion is hung
It connects, the duckbilled hanging ring used and to hang nail and hang be complete connection, it is spare that precast slab is hoisted to component storage area, described pre-
Concrete slab processed with a thickness of 150m.
Embodiment 2
A kind of to hang nail construction method for the pre-buried of precast slab, its step are as follows:
(1) prefabricated board reinforcing bar is made of upper layer and lower layer reinforced mesh, using first artificial assembling reinforcement mesh sheet, integrally carry into
Mould construction, controls bar spacing using position-limited rack when reinforcing bar is bound, and galvanized wire will securely when binding, and binding galvanized wire head should be to reinforcing bar side
Face is pushed down, and forbids going deep into protective layer, and galvanized wire button is that some trippings in blossom type interval are bound when assembling reinforcement mesh sheet；
(2) prefabricated board template uses set shaped steel formwork, and prefabricated board template is made of four side forms and a piece of bed die, using crouching
Bottom is prefabricated, and the side form and side form, side form and bed die of template are all made of bolt；
(3) by it is ready for use hang screw top portion and hang nail matched ball fixation hang nail, then by the spiral shell at the top of ball
Bolt is fixed on position-limited rack；
(4) nail bottom will be hung and be fixedly connected with molding reinforcing bar bottom is bound, casting concrete is prepared；
(5) after the acceptance(check) of prefabricated board template, by overhead traveling crane handling template to mix platform car, each trolley can put 4 sets
Template, the mobile mixing station feed opening cloth ash of trolley, concrete are vibrated using vibrating spear, vibrate sequence since at near-lying mode plate, first
In after outer, mobile spacing is 20cm, and the distance of vibrating spear to template is 0.3 times of vibrating spear effective radius；
(6) concrete stops 15 minutes after the completion of vibrating, and carries out surface plastering using wooden float first, then artificial to use
Plasterer's trowel is carefully put down, and is carried out hair pulling treatment after the completion, is forbidden sprinkling water during plucking, uses after the completion of one group of 4 module component pours
Component is hoisted to ward and placed 4 hours by overhead traveling crane, is during which carefully put down using plasterer's trowel opposite, and number of plastering is 5 times；
(7) it after the completion of coagulation pours, is conserved using steam, steam-cured process are as follows: quiet outside steam-cured pond to put 4 small
When, in steam-cured pond temperature be 25 DEG C it is quiet put 2 hours, then heat up 2 hours, be warming up to 55 DEG C of constant temperature 2 hours, be finally cooled to 25
It is DEG C quiet to put 2 hours, 4 layers are stacked in steam-cured pond, and 4 every layer, to prevent top layer's component surface water loss too fast, peeling occurs
Phenomenon takes the method for being laid with plastic film in top layer's component surface, and the water droplet to prevent steam-cured pond from covering is fallen on component,
An anti-fluid barrier is set up before steam-cured above component；
(8) top rubber ball is deducted after concrete formation, form removal, is then connected using duckbilled hanging ring with screw top portion is hung
It connects, the duckbilled hanging ring used and to hang nail and hang be complete connection, it is spare that precast slab is hoisted to component storage area, described pre-
Concrete slab processed with a thickness of 200m.
Embodiment 3
A kind of to hang nail construction method for the pre-buried of precast slab, its step are as follows:
(1) prefabricated board reinforcing bar is made of upper layer and lower layer reinforced mesh, using first artificial assembling reinforcement mesh sheet, integrally carry into
Mould construction, controls bar spacing using position-limited rack when reinforcing bar is bound, and galvanized wire will securely when binding, and binding galvanized wire head should be to reinforcing bar side
Face is pushed down, and forbids going deep into protective layer, and galvanized wire button is that some trippings in blossom type interval are bound when assembling reinforcement mesh sheet；
(2) prefabricated board template uses set shaped steel formwork, and prefabricated board template is made of four side forms and a piece of bed die, using crouching
Bottom is prefabricated, and the side form and side form, side form and bed die of template are all made of bolt；
(3) by it is ready for use hang screw top portion and hang nail matched ball fixation hang nail, then by the spiral shell at the top of ball
Bolt is fixed on position-limited rack；
(4) nail bottom will be hung and be fixedly connected with molding reinforcing bar bottom is bound, casting concrete is prepared；
(5) after the acceptance(check) of prefabricated board template, by overhead traveling crane handling template to mix platform car, each trolley can put 4 sets
Template, the mobile mixing station feed opening cloth ash of trolley, concrete are vibrated using vibrating spear, vibrate sequence since at near-lying mode plate, first
In after outer, mobile spacing is 25cm, and the distance of vibrating spear to template is 0.5 times of vibrating spear effective radius；
(6) concrete stops 15 minutes after the completion of vibrating, and carries out surface plastering using wooden float first, then artificial to use
Plasterer's trowel is carefully put down, and is carried out hair pulling treatment after the completion, is forbidden sprinkling water during plucking, uses after the completion of one group of 4 module component pours
Component is hoisted to ward and placed 4 hours by overhead traveling crane, is during which carefully put down using plasterer's trowel opposite, and number of plastering is 3 times；
(7) it after the completion of coagulation pours, is conserved using steam, steam-cured process are as follows: quiet outside steam-cured pond to put 4 small
When, in steam-cured pond temperature be 22 DEG C it is quiet put 2 hours, then heat up 2 hours, be warming up to 52 DEG C of constant temperature 2 hours, be finally cooled to 22
It is DEG C quiet to put 2 hours, it can at most stack 5 layers in steam-cured pond, 4 every layer, to prevent top layer's component surface water loss too fast, hair
Raw skin effect phenomenon, the method for being laid with plastic film is taken in top layer's component surface, and the water droplet to prevent steam-cured pond from covering is fallen in
On component, an anti-fluid barrier is set up above component before steam-cured；
(8) top rubber ball is deducted after concrete formation, form removal, is then connected using duckbilled hanging ring with screw top portion is hung
It connects, the duckbilled hanging ring used and to hang nail and hang be complete connection, it is spare that precast slab is hoisted to component storage area, described pre-
Concrete slab processed with a thickness of 180m.
The present invention is exemplarily described above, it is clear that present invention specific implementation is not subject to the restrictions described above,
As long as using the various improvement that the inventive concept and technical scheme of the present invention carry out, or not improved directly apply to other fields
It closes, it is within the scope of the present invention.
Claims (5)
1. a kind of hang nail construction method for the pre-buried of precast slab, which is characterized in that its step are as follows:
(1) prefabricated board reinforcing bar is made of upper layer and lower layer reinforced mesh, using first artificial assembling reinforcement mesh sheet, is integrally carried and is applied into mould
Work controls bar spacing using position-limited rack when reinforcing bar is bound, and galvanized wire will securely when binding, and binding galvanized wire head should be pressed to reinforcing bar side
, forbid going deep into protective layer, galvanized wire button is that some trippings in blossom type interval are bound when assembling reinforcement mesh sheet；
(2) prefabricated board template is made of four side forms and a piece of bed die, prefabricated using crouching bottom, the side form and side form, side form of template
Bolt is all made of with bed die；
(3) by it is ready for use hang screw top portion and hang nail matched ball fixation hang nail, then the bolt at the top of ball is consolidated
It is scheduled on position-limited rack；
(4) nail bottom will be hung and be fixedly connected with molding reinforcing bar bottom is bound, casting concrete is prepared；
(5) after the acceptance(check) of prefabricated board template, by overhead traveling crane handling template to mix platform car, each trolley can put 4 sets of templates,
The mobile mixing station feed opening cloth ash of trolley, concrete are vibrated using vibrating spear, sequence are vibrated since at near-lying mode plate, after first outer
Interior, mobile spacing should not exceed 25cm, and the distance of vibrating spear to template should not exceed 0.5 times of vibrating spear effective radius；
(6) concrete stops 15 minutes after the completion of vibrating, and carries out surface plastering using wooden float first, is then manually smeared using iron
It is careful flat, hair pulling treatment is carried out after the completion, forbids sprinkling water during plucking, and overhead traveling crane is used after the completion of one group of 4 module component pours
Component is hoisted to ward to place 4 hours, is during which carefully put down using plasterer's trowel opposite, and number of plastering is no less than 3 times；
(7) it after the completion of coagulation pours, is conserved using steam, can at most stack 5 layers in steam-cured pond, 4 every layer, to prevent most
Upper layer component surface water loss is too fast, and skin effect phenomenon occurs, and the method for being laid with plastic film is taken in top layer's component surface,
Water droplet to prevent steam-cured pond from covering is fallen on component, and an anti-fluid barrier is set up above component before steam-cured；
(8) top rubber ball is deducted after concrete formation, form removal, is then connect using duckbilled hanging ring with screw top portion is hung,
It is spare that precast slab is hoisted to component storage area.
2. a kind of nail construction method is hung for the pre-buried of precast slab according to claim 1, which is characterized in that institute
State precast slab with a thickness of 150-200m.
3. a kind of nail construction method is hung for the pre-buried of precast slab according to claim 1, which is characterized in that institute
It states prefabricated board template in step (2) and uses set shaped steel formwork.
4. a kind of nail construction method is hung for the pre-buried of precast slab according to claim 1, which is characterized in that institute
State step (7) steam-cured process are as follows: it is quiet outside steam-cured pond to put 4 hours, in steam-cured pond temperature be 20-25 DEG C it is quiet put 2 hours, so
It heats up 2 hours afterwards, is warming up to 50-55 DEG C of constant temperature 2 hours, be finally cooled to 20-25 DEG C and quiet put 2 hours.
5. a kind of nail construction method is hung for the pre-buried of precast slab according to claim 1, which is characterized in that institute
Stating duckbilled hanging ring used in step (8) and hanging nail and hang is complete connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910619792.3A CN110405905A (en) | 2019-07-10 | 2019-07-10 | It is a kind of to hang nail construction method for the pre-buried of precast slab |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910619792.3A CN110405905A (en) | 2019-07-10 | 2019-07-10 | It is a kind of to hang nail construction method for the pre-buried of precast slab |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111216233A (en) * | 2020-01-08 | 2020-06-02 | 赵利 | Method for manufacturing reinforced concrete precast slab |
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| CN108890872A (en) * | 2018-06-27 | 2018-11-27 | 湖北兴葆科技有限责任公司 | A kind of precast inspection well mold and its technique for making inspection shaft |
| CN109518556A (en) * | 2018-12-20 | 2019-03-26 | 中国雄安集团基础建设有限公司 | The Prefabricated road plate and its manufacturing method and Joining Technology of a kind of bolt with one end bent back connection |
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2019
- 2019-07-10 CN CN201910619792.3A patent/CN110405905A/en active Pending
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|---|---|---|---|---|
| US4749170A (en) * | 1986-11-17 | 1988-06-07 | Splice Sleeve Japan, Ltd. | Method of arranging a splice sleeve to receive reinforcing bars |
| CN108277716A (en) * | 2018-03-23 | 2018-07-13 | 中交雄安投资有限公司 | A kind of recyclable assembly concrete Prefabricated road and its construction technology |
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Application publication date: 20191105 |