CN102134910A - Method for constructing barrel-shaped concrete structure by adopting reverse moulds - Google Patents
Method for constructing barrel-shaped concrete structure by adopting reverse moulds Download PDFInfo
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- CN102134910A CN102134910A CN 201110050667 CN201110050667A CN102134910A CN 102134910 A CN102134910 A CN 102134910A CN 201110050667 CN201110050667 CN 201110050667 CN 201110050667 A CN201110050667 A CN 201110050667A CN 102134910 A CN102134910 A CN 102134910A
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Abstract
The invention discloses a method for constructing a barrel-shaped concrete structure by adopting reverse moulds. The method comprises the following steps: I) constructing the first section concrete; II) constructing the second section concrete; III) constructing the third section concrete; IV) constructing the fourth section concrete: dismantling the template and construction platform used during construction of the first section concrete, using the template as the fourth section template and then constructing the fourth section concrete according to the construction method of the second section concrete; and V) constructing the more than fourth section concrete: circularly constructing the concrete in the above sections according to the construction methods of the first-fourth section concrete, namely turning over and using the templates and construction platforms used during construction of the first-third section concrete until the barrel-shaped concrete structure reaches the design height. The method has the following advantages that: only three sets of templates are used for turnover; the construction efficiency is improved; and the construction cost is lowered.
Description
Technical field
The present invention relates to a kind of tubular concrete structure construction method, particularly a kind of tubular concrete structure reverse mould construction method.
Background technology
Large diameter tubular concrete structure slding form operation method generally adopts in practice of construction in recent years, and it is little that it improves construction greatly with respect to original entire body template construction method, also reduces engineering cost to a certain extent; But, because sliding form apparatus initial stage equipment input cost is higher, difficulty is born for general construction enterprises, the turnover because the general employing one cover template of slip form construction device is slided simultaneously, construction period is longer when the bigger tubular concrete structure of construction height, improves engineering cost indirectly.
Summary of the invention
Technical problem to be solved by this invention provides a kind of tubular concrete structure reverse mould construction method, and it not only can effectively improve tubular concrete structure construction efficient, can also reduce construction cost.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of tubular concrete structure reverse mould construction method may further comprise the steps:
One) first section concrete construction
1) assembling reinforcement
Connect first section reinforcing bar of batch colligation tubular concrete structure at the concrete foundation top;
2) install template and erection construction platform, with standard punching block assembly unit internal mold and external mold, on external mold and internal mold, wear the radially split bolt of two-layer level at basic top; On the inwall of the outer wall of external mold and internal mold, fixedly install annular operation platform by means of split bolt; The wire rope that is provided with flower basket bolt is installed between annular operation platform and concrete foundation;
3) in the first section annular template that installs, build first section concrete of tubular concrete structure;
Two) second section concrete construction
After the first section concrete final set, according to the first section concrete job practices, second section concrete of constructing, wherein employed wire rope end is installed on the operation platform that is provided with on first section annular template at its top;
Three) the 3rd section concrete construction
After the second section concrete final set, at its top according to the second section concrete job practices the 3rd section concrete of constructing;
Four) the 4th section concrete construction
Remove the template and the operation platform that use in the construction of first section concrete, and it is used as the 4th section template, carry out the construction of the 4th section concrete according to the second section concrete job practices then;
Five) concrete construction more than the 4th section
According to first section to above each section concrete of the 4th section concrete job practices circulation construction, be about to first section template and operation platform turnover use of using to the construction of the 3rd section concrete, reach design height until the tubular concrete structure.
Described operation platform comprise by means of split bolt be fixedly mounted on the external mold outer wall and the internal mold inwall on annular anchor ear and by means of split bolt vertically be fixedly mounted on the internal mold inwall and the external mold outer wall on A-frame; The described A-frame that is installed on the internal mold inwall is identical with the quantity of individual layer split bolt with the quantity of A-frame on being installed in the external mold outer wall; Fixedly mount scaffold floor between described adjacent two A-frame horizon bars; Described A-frame end also is fixed with guard rail, and encloses on described guard rail and hang little safety net.
When each section constructed more than second section concrete, on the horizon bar of stripping layer last layer A-frame and brace, hang the form removable frame; Between the end of the A-frame horizon bar of the upper former of stripping and form removable frame bottom, safety net is set.
Described annular anchor ear comprises two annular angle steel to the limb welding; Described two to the diameter of the distance between the annular angle steel solder side of limb welding greater than split bolt.
Adopt the beneficial effect that technique scheme produced to be: to use the reverse mould construction method, in work progress, only need utilize three cover templates and corollary apparatus to have enough to meet the need use, all the time use one section template in the end and corollary apparatus as a top section template, improve efficiency of construction greatly, and employed template and corollary apparatus cost reduce construction cost to a certain extent well below sliding formwork.
Description of drawings
Fig. 1 is that the present invention first is to the 3rd layer of template mounting structure schematic diagram;
Fig. 2 for the 4th layer of the present invention with cope match-plate pattern mounting structure schematic diagram;
1, A-frame; 2, wire rope; 3, flower basket bolt; 4, external mold; 5, concrete foundation; 6, annular anchor ear; 7, split bolt; 8, internal mold; 9, safety net; 10, security guardrail; 11, form removable frame; Further the present invention is described in detail below in conjunction with accompanying drawing.
The specific embodiment
The invention discloses a kind of tubular concrete structure reverse mould construction method, may further comprise the steps:
One) first section concrete construction
1) assembling reinforcement
Connect first section reinforcing bar of batch colligation tubular concrete structure at the concrete foundation top;
2) install template and erection construction platform, with standard punching block assembly unit internal mold 8 and external mold 4, on external mold 4 and internal mold 8, wear the radially split bolt 7 of two-layer level at basic top; On the inwall of the outer wall of external mold 4 and internal mold 8, fixedly install annular operation platform by means of split bolt 7; The wire rope 2 that is provided with flower basket bolt 3 is installed between annular operation platform and concrete foundation 5;
3) in the first section annular template that installs, build first section concrete of tubular concrete structure;
Two) second section concrete construction
After the first section concrete final set, according to the first section concrete job practices, second section concrete of constructing, wherein employed wire rope end is installed on the operation platform that is provided with on first section annular template at its top;
Three) the 3rd section concrete construction
After the second section concrete final set, at its top according to the second section concrete job practices the 3rd section concrete of constructing;
Four) the 4th section concrete construction
Remove the template and the operation platform that use in the construction of first section concrete, and it is used as the 4th section template, carry out the construction of the 4th section concrete according to the second section concrete job practices then;
Five) concrete construction more than the 4th section
According to first section to above each section concrete of the 4th section concrete job practices circulation construction, be about to first section template and operation platform turnover use of using to the construction of the 3rd section concrete, reach design height until the tubular concrete structure.
Described operation platform comprise by means of split bolt 7 be fixedly mounted on external mold 4 outer walls and internal mold 8 inwalls on annular anchor ear 6 and by means of split bolt 7 vertically be fixedly mounted on internal mold 8 inwalls and external mold 4 outer walls on A-frame 1; The described A-frame 1 that is installed on internal mold 8 inwalls is identical with the quantity of individual layer split bolt 7 with the quantity of A-frame 1 on being installed in external mold 4 outer walls; Fixedly mount scaffold floor between described adjacent two A-frame 1 horizon bars; Described A-frame 1 end also is fixed with guard rail 10, and encloses on described guard rail 10 and hang little safety net.
When each section constructed more than second section concrete, on the horizon bar of stripping layer last layer A-frame 1 and brace, hang form removable frame 11; Between the end of A-frame 1 horizon bar of the upper former of stripping and form removable frame 11 bottoms, safety net 9 is set.
Described annular anchor ear 6 comprises two annular angle steel to the limb welding; Described two to the diameter of the distance between the annular angle steel solder side of limb welding greater than split bolt 7.
Internal mold and external mold all adopt 3015 and 1015 standard steel template assemblies in concrete application process, two 3015 punching block center fixed connect one 1015 punching block and form a junior unit, then the junior unit of being formed is surrounded integral ring-shaped internal mold and external mold, at 1015 punching blocks split bolt is set all up and down and passes the hole, 1015 punching blocks of internal mold and external mold are corresponding to be provided with, split bolt is fixedly mounted on 1015 punching blocks, be fixedly mounted on annular anchor ear on the internal mold inwall respectively with split bolt after the internal mold of the intact annular of assembly unit and the external mold and the external mold outer wall on, annular anchor ear uses angle steel to bend and forms, and annular is embraced 6 and comprised two annular angle steel to the limb welding; Described two to the diameter of the distance between the annular angle steel solder side of limb welding greater than split bolt, every annular angle steel all uses the angle steel of many velamens embowment to be made, the triangular steel plate of perforate in the middle of every section arc angle steel end all is welded with, when two sections arc angle steel connect, the triangular steel plate that bolt is passed its link setting gets final product, split bolt passes the annular anchor ear in inboard and the outside, and corresponding A-frame of 1015 punching blocks in every annular template, the corresponding middle part of each A-frame is equipped with the wire rope of flower basket bolt, the wire rope other end of first section annular template is fixedly mounted on the concrete foundation end face, the wire rope of the annular template correspondence more than second section is fixedly mounted on the A-frame end of the annular template of next section, and the effect of wire rope is to adjust annular template verticality with respect to the horizontal plane; In concrete work progress in order to ensure construction safety, set up scaffold floor in adjacent two A-frame lateral parts, between dividing, its end vertical portion hangs little safety net, when removing annular template of turnover and corollary apparatus, use dedicated templates to remove frame, on the horizon bar of the A-frame 1 of the upper former of stripping and brace, hang form removable frame 11.
In concrete work progress, first section is used a cover template to carry out section construction when the 3rd section concrete is constructed respectively, after template of using in first section concrete when carrying out the 4th section concrete construction and operation platform are removed as the 4th section template and operation platform, the template of this section concrete of being used as under will the form removable of end of the end one in each section construction more than the 4th section constructing is used, each section recycles template and the operation platform that uses in the construction of first to the 3rd section concrete, reaches design height until the tubular concrete structure.
The corollary apparatus that uses in a kind of tubular concrete structure reverse mould construction method disclosed by the invention is simple in structure, go for the construction of tubular concrete structures such as cement silo, chimney, reduce the construction equipment input cost greatly, and three the cover template can realize turnover construction, when reducing construction cost, improve efficiency of construction greatly.
Claims (4)
1. tubular concrete structure reverse mould construction method may further comprise the steps:
One) first section concrete construction
1) assembling reinforcement
Connect first section reinforcing bar of batch colligation tubular concrete structure at the concrete foundation top;
2) install template and erection construction platform, with standard punching block assembly unit internal mold (8) and external mold (4), on external mold (4) and internal mold (8), wear the radially split bolt (7) of two-layer level at basic top; On the inwall of the outer wall of external mold (4) and internal mold (8), fixedly install annular operation platform by means of split bolt (7); The wire rope (2) that is provided with flower basket bolt (3) is installed between annular operation platform and concrete foundation (5);
3) in the first section annular template that installs, build first section concrete of tubular concrete structure;
Two) second section concrete construction
After the first section concrete final set, according to the first section concrete job practices, second section concrete of constructing, wherein employed wire rope end is installed on the operation platform that is provided with on first section annular template at its top;
Three) the 3rd section concrete construction
After the second section concrete final set, at its top according to the second section concrete job practices the 3rd section concrete of constructing;
Four) the 4th section concrete construction
Remove the template and the operation platform that use in the construction of first section concrete, and it is used as the 4th section template, carry out the construction of the 4th section concrete according to the second section concrete job practices then;
Five) concrete construction more than the 4th section
According to first section to the 4th section concrete job practices circulation construction each section concrete more than the 4th section, be about to first section template and operation platform turnover of using to the construction of the 3rd section concrete and use, reach design height until the tubular concrete structure.
2. a kind of tubular concrete structure reverse mould construction method according to claim 1 is characterized in that: described operation platform comprises and is fixedly mounted on external mold (4) outer wall and the annular anchor ear (6) on internal mold (8) inwall and vertically be fixedly mounted on internal mold (8) inwall and the A-frame (1) on external mold (4) outer wall by means of split bolt (7) by means of split bolt (7); The described A-frame (1) that is installed on internal mold (8) inwall is identical with the quantity of individual layer split bolt (7) with the quantity of A-frame (1) on being installed in external mold (4) outer wall; Fixedly mount scaffold floor between described adjacent two A-frames (1) horizon bar; Described A-frame (1) end also is fixed with guard rail (10), and encloses on described guard rail (10) and hang little safety net.
3. a kind of tubular concrete structure reverse mould construction method according to claim 2, it is characterized in that: when each section constructed more than second section concrete, on the horizon bar of stripping layer last layer A-frame (1) and brace, hang form removable frame (11); Between the end of A-frame (1) horizon bar of the upper former of stripping and form removable frame (11) bottom, safety net (9) is set.
4. a kind of tubular concrete structure reverse mould construction method according to claim 3 is characterized in that: described annular anchor ear (6) comprises two annular angle steel to the limb welding; Described two to the diameter of the distance between the annular angle steel solder side of limb welding greater than split bolt (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100506679A CN102134910B (en) | 2011-03-03 | 2011-03-03 | Method for constructing barrel-shaped concrete structure by adopting reverse moulds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100506679A CN102134910B (en) | 2011-03-03 | 2011-03-03 | Method for constructing barrel-shaped concrete structure by adopting reverse moulds |
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| CN102134910A true CN102134910A (en) | 2011-07-27 |
| CN102134910B CN102134910B (en) | 2012-04-18 |
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| CN2011100506679A Expired - Fee Related CN102134910B (en) | 2011-03-03 | 2011-03-03 | Method for constructing barrel-shaped concrete structure by adopting reverse moulds |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661038A (en) * | 2012-05-21 | 2012-09-12 | 中冶建工集团有限公司 | Template supporting structure for cast-in-situ limestone flour chamber |
| CN103790376A (en) * | 2014-03-04 | 2014-05-14 | 上海建工二建集团有限公司 | Wall framework applied to hyperboloid building construction and wall construction method |
| CN104563515A (en) * | 2014-12-22 | 2015-04-29 | 中国建筑第八工程局有限公司 | Template bracing structure for ultrahigh shear wall and construction method thereof |
| CN105178594A (en) * | 2015-09-01 | 2015-12-23 | 山东电力建设第一工程公司 | Hollow column formwork free of scaffold construction and construction method thereof |
| CN107299760A (en) * | 2016-11-21 | 2017-10-27 | 中材建设有限公司 | Cement clinker library concrete reverse mould construction method |
| CN107386623A (en) * | 2017-08-08 | 2017-11-24 | 中国电建集团贵州工程公司 | A kind of suspension type tripod foot hand cradle and its template construction technique |
| CN112343330A (en) * | 2020-11-11 | 2021-02-09 | 广西建工集团冶金建设有限公司 | Cylinder wall construction method and cylinder wall template structure of large-diameter reinforced concrete cylinder |
| CN114033153A (en) * | 2021-12-14 | 2022-02-11 | 中国核工业二四建设有限公司 | Mobile platform for template support and use method |
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2011
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Patent Citations (6)
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661038A (en) * | 2012-05-21 | 2012-09-12 | 中冶建工集团有限公司 | Template supporting structure for cast-in-situ limestone flour chamber |
| CN102661038B (en) * | 2012-05-21 | 2014-04-09 | 中冶建工集团有限公司 | Template supporting structure for cast-in-situ limestone flour chamber |
| CN103790376A (en) * | 2014-03-04 | 2014-05-14 | 上海建工二建集团有限公司 | Wall framework applied to hyperboloid building construction and wall construction method |
| CN103790376B (en) * | 2014-03-04 | 2016-05-25 | 上海建工二建集团有限公司 | For the wall mould base of hyperboloid architecture construction and the construction method of body of wall |
| CN104563515A (en) * | 2014-12-22 | 2015-04-29 | 中国建筑第八工程局有限公司 | Template bracing structure for ultrahigh shear wall and construction method thereof |
| CN105178594A (en) * | 2015-09-01 | 2015-12-23 | 山东电力建设第一工程公司 | Hollow column formwork free of scaffold construction and construction method thereof |
| CN107299760A (en) * | 2016-11-21 | 2017-10-27 | 中材建设有限公司 | Cement clinker library concrete reverse mould construction method |
| CN107386623A (en) * | 2017-08-08 | 2017-11-24 | 中国电建集团贵州工程公司 | A kind of suspension type tripod foot hand cradle and its template construction technique |
| CN112343330A (en) * | 2020-11-11 | 2021-02-09 | 广西建工集团冶金建设有限公司 | Cylinder wall construction method and cylinder wall template structure of large-diameter reinforced concrete cylinder |
| CN114033153A (en) * | 2021-12-14 | 2022-02-11 | 中国核工业二四建设有限公司 | Mobile platform for template support and use method |
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| CN102134910B (en) | 2012-04-18 |
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Granted publication date: 20120418 Termination date: 20130303 |