CN109083402A - A kind of steel pipe column external wrapping concrete construction technology - Google Patents
A kind of steel pipe column external wrapping concrete construction technology Download PDFInfo
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- CN109083402A CN109083402A CN201810844625.4A CN201810844625A CN109083402A CN 109083402 A CN109083402 A CN 109083402A CN 201810844625 A CN201810844625 A CN 201810844625A CN 109083402 A CN109083402 A CN 109083402A
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- concrete
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- reinforcing bar
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
- E04G13/023—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor with means for modifying the sectional dimensions
- E04G13/025—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor with means for modifying the sectional dimensions with stiff clamping means bracing the back-side of the form without penetrating the forming surface
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of steel pipe column external wrapping concrete construction technologies, its process are as follows: surveying setting-out, the processing and fabricating of template, steel bar meter and installation, template installation, concreting, form removable and concrete curing, surveying setting-out mode is that each measurement point uses total station to carry out closure measurement, it is fixed after errorless with concrete and warning sign is installed, reinforcing bar binding uses rustless tied silk, tied silk head is towards on the inside of reinforcing bar, the circle hook pressing processing of outside tied silk, template is constructed with plank sheathing and formwork reinforcement uses sizing band steel tie, concrete placings pour mode using delivery pump, oblique operation of vibrating is carried out with plug-in type vibrating stick in concrete placings engineering, after form removable, it is wrapped using plastic foil and covers concrete, moisture-keeping maintaining, present invention process design is reasonable, there is full new breakthrough in concrete construction mode, concise in technology is convenient, have Effect reduces the difficulty of construction of operator, is worth promoting and using in concrete construction field.
Description
Technical field
The present invention relates to building field, specifically a kind of steel pipe column external wrapping concrete construction technology.
Background technique
Big machinery is not available after heavy template is closed due to floor, causes heavy template installation more difficult, in order to
Complete project progress by matter on time, so light-duty sizing wood cylindrical plate is selected, the work although the wooden cylindrical plate of being formed is constructed
Skill is simple, but since external wrapping concrete amount is small and wall is thin, concrete pouring construction is easy to be influenced by a variety of uncertain factors,
Such as reinforcing bar, preheating embedding line etc., most it is difficult to when encountering ultrahigh column, concrete one-time-concreting is to top it is difficult to ensure that concrete
Quality.
The present invention is directed to create a kind of completely new steel pipe column external wrapping concrete construction technology, sizing light-duty among the above is solved
The wooden cylindrical plate pours problem encountered when external wrapping concrete, the completely new steel pipe column external wrapping concrete construction technology innovation
Point is unique, and practicability is stronger, is worth promoting and using in building field.
Summary of the invention
The purpose of the present invention is to provide a kind of themes, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of steel pipe column external wrapping concrete construction technology, comprising: surveying setting-out, the processing and fabricating of template, steel bar meter and installation,
Template installation, concreting, form removable and concrete curing process, surveying setting-out mode described in (1) are that each measurement point is adopted
Closure measurement is carried out with total station, is fixed after errorless with concrete and warning sign is installed；(2) steel bar meter described in requires
Using rustless tied silk, tied silk head is handled towards reinforcing bar inside, the circle hook pressing of outside tied silk；(3) plank sheathing is used in the template installation described in
It constructs and formwork reinforcement uses sizing band steel tie；(4) the concrete placings mode described in is that delivery pump pours and in concrete placings
Oblique operation of vibrating is carried out with plug-in type vibrating stick in engineering；(5) the form removable mode described in follow first prop up tear open afterwards, rear branch it is first
Tear open, first tear not bearing form open, after tear supporting part template open, from top to bottom, bracket tears vertical supporting principle open after first tearing lateral support open；
(6) the concrete curing mode described in is after concrete final set using watering plastic covering film, moisture-keeping maintaining 16 days.
As a further solution of the present invention: the surveying setting-out mode are as follows:, need to be to measurement used before surveying setting-out
Basic point is checked；4 angle points of steel column external wrapping concrete are released in measurement, pop up sideline with ink fountain；It carries out high process control stake and adds
With protection, the high mark of external wrapping concrete calibration is carried out with red paint on steel column；Ground beam end reinforcing bar anchors into external wrapping concrete,
Ground beam end reinforcing bar extend to steel column and under curved 15 °, the place of bending up is welded on steel column using single-sided welding form, outside external wrapping concrete
The reserved connector of side, tension reinforcement lap joint area percentage≤50% in same jointing, is staggered 35 °, ground beam
End reinforcing bar is anchored using pre-buried form, and when measurement, ground beam reserves anchor bar accurate positioning, carries out on steel column and clearly marks
Note.
As a further solution of the present invention: the template processing and fabricating mode are as follows: the thickness wood for the use of panel being 18mm
Template erects back cord and uses 100mm × 100mm lumps of wood, and tie is using [10 Two bors d's oeuveres channel steels, screw rod are φ 32, φ 20,16 round steel of φ.
As a further solution of the present invention: the processing of the reinforcing bar and mounting means are as follows: band rust reinforcing bar is carried out before reinforcement installation
Derust operation, and derusting operation mode is to keep rebar surface cleaning using brushing；After the completion of reinforcing bar, concrete is set
Protective layer cushion block, cushion block with external wrapping concrete with strength mortar using being made, pad thickness 30mm, on the outside of framework of steel reinforcement with
1m × 1m spacing arranges that at least there are two cushion block, cushion block φ b0.7~1.0mm iron wires for same side sustained height in blossom type
Lashing is on main reinforcement, muscle processing and installation specification: the dead size of steel bar stress overall length along the length direction allows inclined
Difference is ± 10mm；The crooked place tolerance value of bent-up bar is ± 20mm；In stirrup dead size tolerance value be ±
5mm。
As a further solution of the present invention: the template mounting means are as follows: template surface is carried out before template installation
Cleaning, correction and painting remover, template are sealed between gap using white glue, and template bottom uses mortar back cover, anti-leak-stopping
Slurry, cleaning mode are that will be cleaned out in column film using cotton gauze, and greasy dirt and other filths must not be occupied in column film, are taken off
Mould agent uses clear-water concrete remover, and remover brushing is uniform, must assure that paint film is dry before concreting；According to column mould
The template position of plate design drawing is assembled, and five pieces of templates are successively sequentially inserted into the molding plum blossom column steel reinforcement cage of binding, mould
The vertical joint area horizontal joint of plate keeps same horizontal line, makes Qi Jiaoquan, is consistent in same room, patch on the outside of connector slot
Add 4mm thickness dry plastic foam item；After template is installed, installation template is measured on one side and corrected, use band steel with vertical line is hung
Tie carries out lashing to template on one side, and wooden model transverse direction perps is avoided in tie bolt lock solid point.
As a further solution of the present invention: the concreting mode are as follows: concrete uses self-compaction-clear water coagulation
Soil；The watering of concreting front template is moistened, and after moistening, still unexpanded gap is pasted with white glue and stitched in template；Concrete
It is poured using delivery pump, first builds the thick mortar with concrete with proportion of 60mm in column bottom pour mold before pouring, mortar is laid with uniform；It is mixed
Solidifying soil, which pours, carries out layer-by-layer distribution, along the symmetrical cloth of column surrounding；It is carried out in concreting process using plug-in type vibrating stick
It vibrates, using oblique method of vibrating, vibrating spear and horizontal plane inclination angle are continuously to shake on each position when vibrating between 25 °~30 °
Dynamic 1~2min takes fast insert to pull out mode slowly, is 10s~20s, and slurries uniformly occurs in concrete surface of being subject to, when movement in a row according to
Secondary advance of vibrating, overlap distance is 3~5cm between front-rear position and row and row.
As a further solution of the present invention: the form removable mode are as follows: dismounting the top template is suitable for reading first adds
Gu steel pipe unclamps band steel tie from top to bottom, with rubber hammer along the uniform tapping template in column periphery, keep it naturally de- with cylinder
It opens.
As a further solution of the present invention: the concrete curing mode are as follows: after form removable, using sprayer atomized water spray
Moisturizing is wrapped plastic film maintenance in concrete surface, watering 4 times or more daily, to keep concrete wet, concrete curing
Same with water and mixing water phase, component persistently conserves 7~14 days, mixes the concrete of retarding additive, and moisture-keeping maintaining 16 days.
Compared with prior art, the beneficial effects of the present invention are: present invention process design is reasonable, in concrete construction mode
There is full new breakthrough, solves problem encountered when the wooden cylindrical plate of sizing light-duty among the above pours external wrapping concrete, institute
A kind of steel pipe column external wrapping concrete construction technology stated succinctly facilitates, and effectively reduces the difficulty of construction of operator, is worth
Concrete construction field is promoted and is used.
Detailed description of the invention
Fig. 1 is the formwork structure main view after the template in a kind of steel pipe column external wrapping concrete construction technology is installed.
Fig. 2 is the formwork structure top view after the template in a kind of steel pipe column external wrapping concrete construction technology is installed.
In figure: 1- erects stupefied, 2- tie, 3- screw rod.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
A kind of steel pipe column external wrapping concrete construction technology referring to FIG. 1-2, comprising: the processing system of surveying setting-out, template
Work, steel bar meter and installation, template installation, concreting, form removable and concrete curing process, the surveying setting-out side
Formula is that each measurement point uses total station to carry out closure measurement, is fixed after errorless with concrete and installs warning sign；The steel
Muscle processing request is using rustless tied silk, and tied silk head is handled towards reinforcing bar inside, the circle hook pressing of outside tied silk；The template installation
Sizing band steel tie is used with plank sheathing construction and formwork reinforcement；The concrete placings mode is that delivery pump pours and in concrete
It pours in engineering and carries out oblique operation of vibrating with plug-in type vibrating stick；The form removable mode follows first to prop up and tears open, props up afterwards afterwards
First tear open, first tear not bearing form open, after tear supporting part template open, from top to bottom, bracket, which is first torn open, tears vertical supporting original after lateral support open
Then；The concrete curing mode is after concrete final set using watering plastic covering film, moisture-keeping maintaining 16 days.
Step 1: surveying setting-out mode
1) before surveying setting-out, measurement basic point used need to be checked.
2) 4 angle points of steel column external wrapping concrete are released in measurement, pop up sideline with ink fountain；It carries out high process control stake and is protected
Shield carries out the high mark of external wrapping concrete calibration with red paint on steel column.
3) beam end reinforcing bar anchors into external wrapping concrete, ground beam end reinforcing bar extend to steel column and under curved 15 °, the place of bending up uses
Single-sided welding form is welded on steel column, the reserved connector on the outside of external wrapping concrete, the tension steel in same jointing
Muscle lap joint area percentage≤50% is staggered 35 °, and ground beam end reinforcing bar is anchored using pre-buried form, and when measurement, ground beam is pre-
Anchor bar accurate positioning is stayed, carries out on steel column and clearly marks.
Step 2: the processing and fabricating of template
Using panel be 18mm thick plank sheathing, erect back cord use 100mm × 100mm lumps of wood, tie using [10 Two bors d's oeuveres channel steels,
Screw rod is φ 32, φ 20,16 round steel of φ.
Step 3: the processing and installation of reinforcing bar
1) derusting operation is carried out to band rust reinforcing bar before reinforcement installation, derusting operation mode is to keep reinforcing bar using brushing
Surface cleaning.
2) after the completion of reinforcing bar, concrete protective layer pad is set, cushion block is used and is made with external wrapping concrete with strength mortar,
Pad thickness is 30mm, arranges that same side sustained height is at least in blossom type with 1m × 1m spacing on the outside of framework of steel reinforcement
Two cushion blocks, cushion block is with φ b0.7~1.0mm iron wire lashing on main reinforcement.
3) steel bar meter and installation specification: steel bar stress along the length direction overall length dead size tolerance value be ±
10mm；The crooked place tolerance value of bent-up bar is ± 20mm；Dead size tolerance value is ± 5mm in stirrup.
Step 4: template is installed
1) remover is cleaned, corrected and applied before template installation to template surface, is carried out between template gap using white glue close
Envelope, template bottom use mortar back cover, mortar leakage prevention, and cleaning mode is that will be cleaned out in column film using cotton gauze, in column film
Greasy dirt and other filths must not be occupied, release agent uses clear-water concrete remover, and remover brushing is uniform, concrete
It must assure that paint film is dry before pouring.
2) it is assembled according to the template position of column template design drawing, it is molding that five pieces of templates is successively sequentially inserted into binding
Plum blossom column steel reinforcement cage, the vertical joint area horizontal joint of template keep same horizontal line, make Qi Jiaoquan, keep in same room
Unanimously, patch plus 4mm thickness dry plastic foam item on the outside of connector slot.
3) after template is installed, installation template is measured on one side and corrected, with band steel tie on one side to template with vertical line is hung
Lashing is carried out, wooden model transverse direction perps is avoided in tie bolt lock solid point.
Step 5: concreting
1) concrete uses self-compaction-clear-water concrete.
2) concreting front template watering is moistened, and after moistening, still unexpanded gap is pasted with white glue and stitched in template.
3) concrete is poured using delivery pump, first builds the thick sand with concrete with proportion of 60mm in column bottom pour mold before pouring
Slurry, mortar are laid with uniform.
4) concreting carries out layer-by-layer distribution, along the symmetrical cloth of column surrounding.
5) vibrated in concreting process using plug-in type vibrating stick, using oblique method of vibrating, vibrating spear with
Horizontal plane inclination angle is between 25 °~30 °, when vibrating on each position 1~2min of continuous shaking, take fast insert to pull out mode slowly,
For 10s~20s, uniformly there are slurries in concrete surface of being subject to, advances of in a row successively vibrating when mobile, front-rear position and row and arranges
Between overlap distance be 3~5cm.
Step 6: form removable
The top template reinforcing steel pipe suitable for reading is removed first, unclamps band steel tie from top to bottom, it is equal along column periphery with rubber hammer
Even tapping template disengages it naturally with cylinder.
Step 7: concrete curing
After form removable, using sprayer atomized water spray moisturizing, wrap plastic film maintenance in concrete surface, watering 4 times daily
More than, to keep concrete wet, concrete curing water and mixing water phase are same, and component persistently conserves 7~14 days, mix slow
The concrete of solidifying type additive, moisture-keeping maintaining 16 days.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (1)
1. a kind of steel pipe column external wrapping concrete construction technology, comprising: surveying setting-out, the processing and fabricating of template, steel bar meter and peace
Dress, template installation, concreting, form removable and concrete curing process, it is characterised in that: (1) the surveying setting-out side described in
Formula is that each measurement point uses total station to carry out closure measurement, is fixed after errorless with concrete and installs warning sign；(2) described in
Steel bar meter requires to be using rustless tied silk, and tied silk head is handled towards reinforcing bar inside, the circle hook pressing of outside tied silk；(3) mould described in
Plate installation is constructed with plank sheathing and formwork reinforcement uses sizing band steel tie；(4) the concrete placings mode described in is that delivery pump pours
It builds and carries out oblique operation of vibrating with plug-in type vibrating stick in concrete placings engineering；(5) the form removable mode described in follows
First prop up tear open afterwards, rear branch is first torn open, first tear not bearing form open, after tear supporting part template open, from top to bottom, after bracket first tears lateral support open
Tear vertical supporting principle open；(6) the concrete curing mode described in is after concrete final set using watering plastic covering film, moisture-keeping maintaining
16 days；
Step 1: surveying setting-out mode
1) before surveying setting-out, measurement basic point used need to be checked；2) 4 angle points of steel column external wrapping concrete are released in measurement,
Sideline is popped up with ink fountain；It carries out high process control stake and is protected, carry out external wrapping concrete calibration with red paint on steel column
High mark；3) beam end reinforcing bar anchors into external wrapping concrete, ground beam end reinforcing bar extend to steel column and under curved 15 °, the place of bending up uses
Single-sided welding form is welded on steel column, the reserved connector on the outside of external wrapping concrete, the tension steel in same jointing
Muscle lap joint area percentage≤50% is staggered 35 °, and ground beam end reinforcing bar is anchored using pre-buried form, and when measurement, ground beam is pre-
Anchor bar accurate positioning is stayed, carries out on steel column and clearly marks；
Step 2: the processing and fabricating of template
Using panel be 18mm thick plank sheathing, erect back cord use 100mm × 100mm lumps of wood, tie using [10 Two bors d's oeuveres channel steels,
Screw rod is φ 32, φ 20,16 round steel of φ；
Step 3: the processing and installation of reinforcing bar
1) derusting operation is carried out to band rust reinforcing bar before reinforcement installation, derusting operation mode is to keep reinforcing bar using brushing
Surface cleaning；2) after the completion of reinforcing bar, concrete protective layer pad is set, cushion block is used with external wrapping concrete with strength mortar system
At pad thickness 30mm arranges that same side sustained height is at least in blossom type with 1m × 1m spacing on the outside of framework of steel reinforcement
There are two cushion blocks, and cushion block is with φ b0.7~1.0mm iron wire lashing on main reinforcement；3) steel bar meter and mounting technique are wanted
Ask: steel bar stress along the length direction overall length dead size tolerance value be ± 10mm；The crooked place of bent-up bar allows inclined
Difference is ± 20mm；Dead size tolerance value is ± 5mm in stirrup；
Step 4: template is installed
1) remover is cleaned, corrected and applied before template installation to template surface, is carried out between template gap using white glue close
Envelope, template bottom use mortar back cover, mortar leakage prevention, and cleaning mode is that will be cleaned out in column film using cotton gauze, in column film
Greasy dirt and other filths must not be occupied, release agent uses clear-water concrete remover, and remover brushing is uniform, concrete
It must assure that paint film is dry before pouring；2) it is assembled according to the template position of column template design drawing, five pieces of templates are successively suitable
Sequence insertion binds molding plum blossom column steel reinforcement cage, and the vertical joint area horizontal joint of template keeps same horizontal line, makes its friendship
It encloses, is consistent in same room, patch plus 4mm thickness dry plastic foam item on the outside of connector slot；3) it after template is installed, uses
It hangs vertical line to measure installation template on one side and correct, lashing, tie bolt lock solid point is carried out to template on one side with band steel tie
Avoid wooden model transverse direction perps；
Step 5: concreting
1) concrete uses self-compaction-clear-water concrete；2) concreting front template watering is moistened, after moistening, template
In still unexpanded gap with white glue paste stitch；3) concrete is poured using delivery pump, first builds 60mm thickness in column bottom pour mold before pouring
With concrete with the mortar of proportion, mortar is laid with uniform；4) concreting carries out layer-by-layer distribution, along the symmetrical cloth of column surrounding；
5) it is vibrated in concreting process using plug-in type vibrating stick, using oblique method of vibrating, vibrating spear inclines with horizontal plane
Angle is between 25 °~30 °, when vibrating on each position 1~2min of continuous shaking, take fast insert to pull out mode slowly, for 10s~
Uniformly there are slurries in 20s, concrete surface of being subject to, and advance of in a row successively vibrating when mobile overlaps between front-rear position and row and row
Distance is 3~5cm；
Step 6: form removable
The top template reinforcing steel pipe suitable for reading is removed first, unclamps band steel tie from top to bottom, it is equal along column periphery with rubber hammer
Even tapping template disengages it naturally with cylinder；
Step 7: concrete curing
After form removable, using sprayer atomized water spray moisturizing, wrap plastic film maintenance in concrete surface, watering 4 times daily
More than, to keep concrete wet, concrete curing water and mixing water phase are same, and component persistently conserves 7~14 days, mix slow
The concrete of solidifying type additive, moisture-keeping maintaining 16 days.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810844625.4A CN109083402A (en) | 2018-07-27 | 2018-07-27 | A kind of steel pipe column external wrapping concrete construction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810844625.4A CN109083402A (en) | 2018-07-27 | 2018-07-27 | A kind of steel pipe column external wrapping concrete construction technology |
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| Publication Number | Publication Date |
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| CN109083402A true CN109083402A (en) | 2018-12-25 |
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| CN201810844625.4A Pending CN109083402A (en) | 2018-07-27 | 2018-07-27 | A kind of steel pipe column external wrapping concrete construction technology |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565320A (en) * | 2021-08-25 | 2021-10-29 | 上海宝冶集团有限公司 | Construction method for wrapping fireproof concrete outside steel pipe column |
| CN114232786A (en) * | 2021-12-30 | 2022-03-25 | 中铁四局集团第五工程有限公司 | Underground structure type steel concrete inclined column construction method |
| CN114718315A (en) * | 2022-04-15 | 2022-07-08 | 中建一局集团第三建筑有限公司 | Construction process for wrapping thin bare concrete outside ultrahigh steel pipe column |
| CN114809381A (en) * | 2022-04-21 | 2022-07-29 | 陕西建工集团股份有限公司 | Construction method of fair-faced concrete |
| CN115288507A (en) * | 2022-07-25 | 2022-11-04 | 中建八局深圳科创发展有限公司 | Cast-in-situ river stone landscape column and construction method thereof |
-
2018
- 2018-07-27 CN CN201810844625.4A patent/CN109083402A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565320A (en) * | 2021-08-25 | 2021-10-29 | 上海宝冶集团有限公司 | Construction method for wrapping fireproof concrete outside steel pipe column |
| CN114232786A (en) * | 2021-12-30 | 2022-03-25 | 中铁四局集团第五工程有限公司 | Underground structure type steel concrete inclined column construction method |
| CN114718315A (en) * | 2022-04-15 | 2022-07-08 | 中建一局集团第三建筑有限公司 | Construction process for wrapping thin bare concrete outside ultrahigh steel pipe column |
| CN114809381A (en) * | 2022-04-21 | 2022-07-29 | 陕西建工集团股份有限公司 | Construction method of fair-faced concrete |
| CN114809381B (en) * | 2022-04-21 | 2024-04-26 | 陕西建工集团股份有限公司 | Construction method of facing bare concrete |
| CN115288507A (en) * | 2022-07-25 | 2022-11-04 | 中建八局深圳科创发展有限公司 | Cast-in-situ river stone landscape column and construction method thereof |
| CN115288507B (en) * | 2022-07-25 | 2023-09-12 | 中建八局深圳科创发展有限公司 | Cast-in-situ river stone landscape column and construction method thereof |
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Application publication date: 20181225 |
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