CN101537660A - Process for assembling and disassembling flexible FRP (=Fiberglass-Reinforced Plastic) cylindrical formwork - Google Patents
Process for assembling and disassembling flexible FRP (=Fiberglass-Reinforced Plastic) cylindrical formwork Download PDFInfo
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- CN101537660A CN101537660A CN200910116627A CN200910116627A CN101537660A CN 101537660 A CN101537660 A CN 101537660A CN 200910116627 A CN200910116627 A CN 200910116627A CN 200910116627 A CN200910116627 A CN 200910116627A CN 101537660 A CN101537660 A CN 101537660A
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Abstract
The invention discloses a process for assembling and disassembling a flexible FRP (=Fiberglass-Reinforced Plastic) cylindrical formwork, which reduces the assembly and disassembly of a supporting system outside the cylindrical formwork and can quicken the construction progress, reduce the construction difficulty, save cost and have excellent economic and social benefits compared to the traditional shaped steel formwork and wood formwork constructions.
Description
Technical field
Patent of the present invention relates to a kind of apparatus for building installs and the dismounting field, specifically is meant a kind of installation and dismantle processes that is applied to build the Flexible Fiberglass in Round Column Formwork of support typing.
Background technology
In the present construction building, in order to guarantee the stable moulding of workpiece, all needed to make mould with steel plate or plank before workpiece pouring concrete, pour concrete is made specific workpiece in mould then.But traditional set shaped steel formwork system, plank sheathing exist piece many, and be time-consuming, the cost height, disposable having high input is from great, many defectives such as artificial mobile inconvenience, need to increase the vertical transportation machinery assistant conveyance and cause the increase, particularly vertical transportation machinery of cost to cover fully building, the duration is anxiety the time, its drawback is more obvious, press for to seek and a kind ofly can solve these difficult new type formworks,, ensure the quality of products to speed up the work.
Summary of the invention
At above-mentioned technical barrier, patent of the present invention provides a kind of Flexible Fiberglass in Round Column Formwork to install and dismantle processes, this technology has reduced the installation and the dismounting of column-form external support system, tradition typing punching block, wooden model construction, but accelerating construction progress, reduce the difficulty of construction, saved cost, have good economy and social benefit.
In order to address the above problem, the technical scheme that patent of the present invention is taked is, a kind of Flexible Fiberglass in Round Column Formwork is installed and dismantle processes, and its operation comprises:
1. the reinforcing bar of inspecting for acceptance;
2. weld the cross spacer bar: the branch upper, middle and lower place the cover to reinforcement cushion block, adopt cross reinforcing bar location, guarantee the relative position of post reinforcing bar and glass steel formwork, at pillar root, middle part and three places, top the cross reinforcing bar is set respectively, be used for guaranteeing the cover to reinforcement of concrete column;
3. clear up template and brush releasing agent;
4. post root cleaning;
5. template is in place;
6. closed post mould and fixed interface bolt are pasted the sponge bar on the rib of template limit, the post mould is lifted to post muscle one side, and template is erect, and closed template is clamped the limit rib with two ∠ 63 * 30 * 4 angle steel, aim at bolt hole and tighten the interface bolt one by one, with post mould closure;
7. the guy steel wire rope is installed, regulate the turnbuckle bar and adjust post mould perpendicularity, steel wire rope is pulled on the crosspoint of post mould main muscle suitable for reading and spacer ferrule respectively from four direction, the other end is connected with pre-buried socketing by the turnbuckle bar, regulate the template perpendicularity by the turnbuckle bar, suspension column adopts the mortar shutoff;
8. casting concrete,
9. form removal during form removal, earlier chisels out the suspension column mortar, hawser is unloaded again, and comes loose to remain silent behind the bolt, with crowbar template is broken into two with one's hands from interface, template is taken to remove off getting final product;
10. clear up template rubbish and brushing interleaving agent, can not the damaging surface corrosion-resisting resin during cleaning template.
The beneficial effect of patent of the present invention is as follows:
1, seam is few, flatness is high: because the glass steel formwork inner wall smooth, vertical piece contacts closely not spillage, and is difficult for bonding between fiberglass and the concrete; Except one seam vertically arranged, can there be seam in the horizontal direction, so the concrete smooth surface of building out is smooth, the color and luster unanimity.
2, do not need complicated external support system: flexible, fiberglass cylinder mold interface (limit rib) add with angle steel bolting good after, hold post muscle upper end by steel wire rope one end, the other end of steel wire rope is fixed on fixed form on the concrete building plate of having built, do not need to add tie in addition, set up bracing frame.
3, good from heavy and light, intensity height, good toughness, anti-wear performance: Flexible Fiberglass in Round Column Formwork is very light, conducts oneself with dignity 3.55～4.0 kilograms/square metre conveniently moving, 5 meters high post mould two people just can lift fortune, with manually holding up, simple to operate, reduced operator's labour intensity.
4, be easy to moulding, mounting or dismounting are convenient, the work efficiency height: because template is by every layer of clear height processing of cylinder, can disposable envelope mould, and without spreading, improved operating efficiency, through initial estimate, can improve work efficiency 2-3 doubly.
Description of drawings
Accompanying drawing 1 is depicted as patent scheme of installation of the present invention.
The specific embodiment
Patent cardinal principle of the present invention is when building concrete, under the lateral pressure effect of concrete, the original column template turgor that just belongs to flexibility is held round.Because glass steel formwork is when building concrete, the normal stress on each direction of template equates, self can balance, so do not need complicated external support system, therefore construction is more convenient, can save construction cost.
Mounting process of the present invention comprises:
1. remove the base for post foreign material, eject pillar cross control axis, and eject the outer tangent line of post circumference.
2. adopt standard round tie muscle location pillar joint bar, guarantee not off normal of joint bar.Check that whether the perpendicular muscle of pillar exceeds outside the circumference, if exceed, should carry out technical finesse.
3. the branch upper, middle and lower place the cover to reinforcement cushion block.Adopt cross reinforcing bar location, guarantee the relative position of post reinforcing bar and glass steel formwork 1, at pillar root, middle part and three places, top the cross reinforcing bar is set respectively, be used for guaranteeing the cover to reinforcement of concrete column.
4. paste the sponge bar on the rib of template limit, by 2 people the post mould is lifted to post muscle one side, template is erect, closed template is clamped limit rib 3 with two ∠ 63 * 30 * 4 angle steel, aims at bolt hole and tightens the interface bolt one by one.
5. steel wire rope 4 is pulled in respectively on the crosspoint of post mould main muscle 2 suitable for reading and spacer ferrule from four direction, the other end sockets a little 6 and is connected with pre-buried by turnbuckle bar 5, and by turnbuckle bar adjusting template perpendicularity, suspension column can be used the mortar shutoff.
Dismantle processes of the present invention comprises:
1. after the pillar concrete strength reaches regulation and stipulation, promptly dismountable post mould 1, and maintenance concrete in accordance with regulations.During form removal, earlier the suspension column mortar is chiseled out, again hawser 4 is unloaded, come loose and remain silent behind the bolt, template is broken into two with one's hands from interface, by two people template is taken to remove off getting final product with crowbar.
2. clear up template rubbish and brushing interleaving agent, can not the damaging surface corrosion-resisting resin during cleaning template.
3. the template of local damage reuses after can repairing, and the bigger template of damaged area can brachymemma be used for other template of spreading.
4. template should be mended brush one deck high performance corrosion-proof resin after having used 5 times.
5. the suitable vertical placement of column-form.Only accurate individual layer discharging during horizontal positioned forbids that lamination piles up.It is bad that the limit rib at template interface place is subject to clashing and breaking, add protection fully, must not fall and bump.
When constructing, should note following key points for operation according to this construction:
1. check whether template size conforms to actual pillar size.
2. clear up foreign material, rubbish in the post muscle, carry out the suspension column levelling; Play the cross control line, and make circumference with guide plate.
3. template brushing releasing agent is pasted the sponge bar on the rib of limit.
4. the post mould is enclosed along the post muscle, notices that template limit rib is vertical with the tangent line of circumference, with bolt polyphone template limit rib, first on top, middle part, bottom each fix 1～2 bolt, in case the limit rib misplaces fastening successively then other nut up and down.For preventing the excessive bolt stripped thread mould that expands that causes of bottom template suffered lateral pressure, take pair bolts to connect or the encipher interface pitch of bolts in 1/3 altitude range of bottom.
5. divide four direction to hold the circle column vertical rib with steel wire rope one end, the other end is fixed on the reinforcing bar draw ring pre-buried on the former concrete building plate, adjusts post mould perpendicularity with flower basket bolt, until meeting code requirement.The extended line of cable wind rope should reverse to prevent steel wire rope tension rear pillar mould by the center of circle of column-form.
6. handling, forbid suspension bucket collision guy steel wire rope when building concrete.Note lift height during the concrete blanking, notice when building concrete that vibrating head can not touch template.
7. concrete is built when finishing, and coupled columns mould perpendicularity is checked, proofreaied and correct once more.
This patent construction material has following requirement:
1. Flexible Fiberglass in Round Column Formwork is to be binding material with epoxy resin, and the low alkali glass fiber plain is made the tool-typed formwork of reinforcing material, conducts oneself with dignity 3.55～4.0 kilograms/square metre, and its mechanical property is: ultimate tensile stress 194N/mm
2, ultimate flexural capacity 178N/mm
2When body diameter surpasses 900mm or during highly above 4.5 meters, in position, template upper, middle and lower respectively adds the wide detailed catalogue steel wire embedded template of one 200mm as reinforcing material.
2. post mould inner surface must cover and be brushed with one deck high performance corrosion-proof resin.
3. the wall thickness of post mould is 2.5～3mm, the thick 5mm of limit rib.When body diameter 〉=1.2 meter, in the time of highly 〉=6 meter, the post die wall is thick to be determined according to calculating.Template thickness unanimity, the surface is uniform and smooth, and no seam difference of height, no bubble, no slag inclusion, epoxy resin do not have the brush of leakage.
4. the template diameter error should be less than 3mm.Limit rib screw is Φ 12.5@150～200, and bolt hole near the template inwall, is advisable to make things convenient for fastening bolt as far as possible.
Claims (1)
1, a kind of Flexible Fiberglass in Round Column Formwork is installed and dismantle processes, and its operation comprises:
1. the reinforcing bar of inspecting for acceptance;
2. weld the cross spacer bar: the branch upper, middle and lower place the cover to reinforcement cushion block, adopt cross reinforcing bar location, guarantee the relative position of post reinforcing bar and glass steel formwork, at pillar root, middle part and three places, top the cross reinforcing bar is set respectively, be used for guaranteeing the cover to reinforcement of concrete column;
3. clear up template and brush releasing agent,
4. post root cleaning,
5. template is in place,
6. closed post mould and fixed interface bolt are pasted the sponge bar on the rib of template limit, the post mould is lifted to post muscle one side, and template is erect, and closed template is clamped the limit rib with two ∠ 63 * 30 * 4 angle steel, aim at bolt hole and tighten the interface bolt one by one, with post mould closure;
7. the guy steel wire rope is installed, regulate the turnbuckle bar and adjust post mould perpendicularity, steel wire rope is pulled on the crosspoint of post mould main muscle suitable for reading and spacer ferrule respectively from four direction, the other end is connected with pre-buried socketing by the turnbuckle bar, regulate the template perpendicularity by the turnbuckle bar, suspension column adopts the mortar shutoff;
8. casting concrete;
9. form removal during form removal, earlier chisels out the suspension column mortar, hawser is unloaded again, and comes loose to remain silent behind the bolt, with crowbar template is broken into two with one's hands from interface, template is taken off removed;
10. clear up template rubbish and brushing interleaving agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910116627A CN101537660A (en) | 2009-04-23 | 2009-04-23 | Process for assembling and disassembling flexible FRP (=Fiberglass-Reinforced Plastic) cylindrical formwork |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910116627A CN101537660A (en) | 2009-04-23 | 2009-04-23 | Process for assembling and disassembling flexible FRP (=Fiberglass-Reinforced Plastic) cylindrical formwork |
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| Publication Number | Publication Date |
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| CN101537660A true CN101537660A (en) | 2009-09-23 |
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| CN200910116627A Pending CN101537660A (en) | 2009-04-23 | 2009-04-23 | Process for assembling and disassembling flexible FRP (=Fiberglass-Reinforced Plastic) cylindrical formwork |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153571A (en) * | 2014-08-06 | 2014-11-19 | 陕西建工第三建设集团有限公司 | Manufacturing method and construction method of historic building concrete cylinder head die |
| CN109138422A (en) * | 2018-08-24 | 2019-01-04 | 中国十七冶集团有限公司 | A kind of high tensile flexible composite material column-form construction method |
| CN109487955A (en) * | 2018-02-13 | 2019-03-19 | 浙江中成建工集团有限公司 | A kind of precast concrete column in-situ cast-in-place construction method |
| CN110630081A (en) * | 2019-08-26 | 2019-12-31 | 中冶天工集团有限公司 | Installation device of heavy steel column and installation and alignment method thereof |
-
2009
- 2009-04-23 CN CN200910116627A patent/CN101537660A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153571A (en) * | 2014-08-06 | 2014-11-19 | 陕西建工第三建设集团有限公司 | Manufacturing method and construction method of historic building concrete cylinder head die |
| CN104153571B (en) * | 2014-08-06 | 2017-07-14 | 陕西建工第三建设集团有限公司 | A kind of construction method of use ancient building concrete cylindrical column cap mould |
| CN109487955A (en) * | 2018-02-13 | 2019-03-19 | 浙江中成建工集团有限公司 | A kind of precast concrete column in-situ cast-in-place construction method |
| CN109138422A (en) * | 2018-08-24 | 2019-01-04 | 中国十七冶集团有限公司 | A kind of high tensile flexible composite material column-form construction method |
| CN110630081A (en) * | 2019-08-26 | 2019-12-31 | 中冶天工集团有限公司 | Installation device of heavy steel column and installation and alignment method thereof |
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Open date: 20090923 |