CN1352345A - Single side slide frame reverse mold construction process and apparatus for thin wall concrete structure - Google Patents

Single side slide frame reverse mold construction process and apparatus for thin wall concrete structure Download PDF

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Publication number
CN1352345A
CN1352345A CN 00131129 CN00131129A CN1352345A CN 1352345 A CN1352345 A CN 1352345A CN 00131129 CN00131129 CN 00131129 CN 00131129 A CN00131129 A CN 00131129A CN 1352345 A CN1352345 A CN 1352345A
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China
Prior art keywords
sliding
template
slideway
rises
concrete
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CN 00131129
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Chinese (zh)
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晏正根
吴朝栋
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Hydropower Genera Team No2 Chinese People's Armed Police Troops
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Hydropower Genera Team No2 Chinese People's Armed Police Troops
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Priority to CN 00131129 priority Critical patent/CN1352345A/en
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Abstract

A construction process includes measurement and large-scale setting out, setting up installation platform, installing sliding frame, installing enclosure, slide way, form board and guide rail, installing and reinforcing climbing poles, installing and regulating hydraulic system, installing bin, disassembling installation platform, accepting the work and casting sliding, and thin wall concrete using single side slide frame for casting. The construction process and apparatus can avoid the disturbance to concrete during sliding, prevent "washboard" phenomenon, and has the advantages of saving in manpower and time, and being safe and reliable.

Description

One-sided slip-framed reverse mould construction technology of thin wall concrete and equipment
The present invention relates to a kind of thin wall concrete construction technology and equipment, one-sided slip-framed reverse mould construction technology of particularly a kind of thin wall concrete and equipment.
Three Gorges Permanent lock chamber abutment wall is a thin-walled lining cutting wall construction, thickness of wall body is 1.5m-2.1m, one lock chamber is high 44 meters, two lock chambers are high 35 meters, and 1.5m * 1.5m high strength anchor bar termination that the wall back of the body is arranged has only 5cm apart from the structure line, and the design of the wall back of the body has vertical and horizontal drainage pipe network, upstream face is a vertical plane, the odd number piece has structures such as floating ship post, therefore causes the storehouse space of planes narrower and small, and it is very difficult to cause concrete to put in storage.Adopt traditional sliding form apparatus, template will be with the sliding liter of sliding formwork hoisting mechanism, and sliding formwork must be slided when concrete is still unhardened and rise simultaneously, and therefore sliding liter must cause disturbing influence to concrete, and its surface strength is descended.In addition, traditional sliding formwork easily produces " washboard " phenomenon, and concrete surface wave phenomenon is difficult for eliminating.The lock chamber construction task is heavy in addition, and the duration is short, the technological requirement height.
The purpose of this invention is to provide one-sided slip-framed reverse mould construction technology of a kind of thin wall concrete and equipment, can avoid sliding effectively and rise in the process, overcome " washboard " phenomenon, build with this technology to concrete disturbance, laborsaving, save time, and reliable in quality.
The object of the present invention is achieved like this: the one-sided slip-framed reverse mould construction technology of a kind of thin wall concrete, and its construction technology is carried out as follows:
A. measure setting-out, on the basis, emit the sliding position line that rises framework;
B. calculate the good sliding setting height(from bottom) that rises framework, set up mounting platform, assembling one chip hoisting frame, install by the design lines position, the steel pipe support fixation is firm, the crossbeam of hoisting frame and column carry out level and vertical detection, seven groups of one chip hoisting frames are connected with channel-section steel, and the verticality of every hoisting frame tights a bolt after detecting;
C. enclosure is fixed on special-purpose hook on the column of hoisting frame, slideway and template are installed again, template is the brush release agent earlier, is coated with butter between template and the slideway and uses the simple and easy colligation of bundle silk;
D. the end opening with six roots of sensation guide rail links to each other with the pre-buried sleeve of body of wall, suitable for readingly links to each other with high strength anchor bar;
E. all jack are contained on the crossbeam, connect oil circuit, carry out withstand voltage exhaust system test, do not have any fault, insert all pole-climbings, the external pole-climbing of concrete bottom surface parallels plate and firm welding, the spacing card of locking jack until oil circuit;
F., hopper, blanking groove are installed and are fixed;
G., steel pipe triangle derrick and reinforcing are installed;
H. on three layer operation platforms, lay People's Bank of China's plate.Guard rail and safety net are installed around all platforms;
I. placement layer by layer, floor height is the height of a punching block, branch will be put in order the template die plate five times and be poured into the top, treat that first floor concreting surpasses after 10-12 hour, being connected all between template and the slideway removed, and the sliding framework that rises begins sliding the liter, slides rise for the first time than a high 10-20cm of punching block height, each later on sliding height that rises a punching block, bottom template (40cm) is removed and turns over upright.Normal later on sliding the liter;
J. the slip-framed reverse mould construction finishes, and after concrete strength reached 0.5MPa, with sliding empty dismounting of last monoblock template, the orderly release according to hopper, hydraulic system, guide rail, slideway, enclosure, hoisting frame, cramp bar framed bent finished again earlier.
The one-sided slip-framed reverse mould device of a kind of thin wall concrete is by the mould bone device, blanking stage apparatus and hydraulic lifting apparatus three parts are formed, the mould bone device comprises template and the sliding framework that rises, slide and rise framework by slideway 2, enclosure 3, guide rail 11 and hoisting frame 4 are formed, the blanking stage apparatus comprises hopper 9, blanking groove 10, supporting upright post 12 and blanking platform 8, hydraulic lifting apparatus comprises hydraulic control panel 7, jack, supporting upright post 12 and operating platform 6, setting operation platform 6 on the operating platform supporting framed bent 5, concrete blanking platform 8 and hydraulic lifting apparatus are arranged on the operating platform 6, the sliding framework integral body that rises is connected with hydraulic lifting apparatus, be connected by enclosure 3 between slideway 2 and the hoisting frame 4, hoisting frame 4 is along guide rail 11 sliding liters, the end opening of guide rail 11 links to each other with the pre-buried sleeve of body of wall, suitable for readingly link to each other with high strength anchor bar, template 1 is close to slideway 2, template 1 and the sliding framework apart that rises.Template 1 is combined into by a piece punching block, adopts U type card connection between every punching block.
Relatively seeing the following form of advantage of this construction technology and conventional template construction technology and common slding form operation skill:
Item compared Conventional template construction Common slding form operation The slip-framed reverse mould construction
Sliding-mode structure ??????- Template and framework are overall structure, no slideway Template and framework apart, between establish slideway
The sliding principle that rises ??????- Relative slip between template and the concrete, template is slided, and frictional force is big Relative slip between template and the slideway, template is not slided, and frictional force is little
The concrete demoulding strength ??????- 0.2MPa (the concrete surface does not subside and can receive light) is subjected to the concrete performance impact big Be not subjected to the concrete performance impact greater than 0.5-0.6MPa
The sliding formwork facility ??????- Framework and template all will be slided liter Framework is sliding to be risen, and template is turned over and torn (reverse mould) open
The sliding performance that rises ??????- Can not stop at any time to slide, must slide sky and just can stop to water concrete Can stop at any time to slide, needn't slide sky
Speed of application (conventional concrete) The slowest Day sliding speed 2-3 rice Day sliding speed 3-5 rice
The template height ????300cm Can not exceed 80-150cm ?????????240-280cm
The concrete surface strength There is not influence Disturbance is arranged, and surface strength can reduce Not disturbance does not have influence
The interlayer constuction joint (can seep water) arranged Do not have (can not seep water) Do not have (can not seep water)
Any surface finish planeness The faulting of slab ends phenomenon is difficult to eliminate Wave is arranged, and " washboard " phenomenon can't be eliminated Fineness, planeness is best
Structure concrete span Be suitable for large span Inapplicable large span Applicable to large span
Adopted the one-sided slip-framed reverse mould device of the thin wall concrete that is exclusively used in the one-sided slip-framed reverse mould construction technology of thin wall concrete in the present invention, this device has adopted and has slidingly risen framework and template separated structures, and between enclosure and template slideway is set, the template proximate slideway, cunning rises framework and is connected with operating platform, so rise in the process sliding, slideway is relative with template to slide, sliding sash frame, sliding template not, the frictional force between slideway and the template is less, when platform promotes, jack is stressed evenly, is difficult for partially sliding; Again owing to adopted track-type facilities, bear the unbalanced problem of lateral pressure so can overcome effectively in the sliding template that rises in the process, guarantee the vertically sliding liter of slip-framed reverse mould operating platform.
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is a construction technology block diagram of the present invention.
Fig. 2 is the structural representation of the one-sided slip-framed reverse mould device of thin wall concrete.
Wherein, Fig. 2 double as Figure of abstract.
Among the figure: 1, template, 2, slideway, 3, enclosure, 4, hoisting frame, 5, the supporting framed bent, 6, operating platform, 7, hydraulic control panel, 8, concrete blanking platform, 9, hopper, 10, blanking groove, 11, guide rail, 12, supporting upright post.
Among the present invention, template 1 adopts a piece punching block to be combined into, and uses U type card connection between every punching block, 2 meters of height, divide five layers, 40 centimetres of every floor heights, slideway 2 adopts Φ 48 * 3.5mm steel pipe, and enclosure 3 is No. 16 i iron in three roads, hoisting frame 4, it is column that the primary and secondary frame all adopts No. 18 i iron, and column can be regulated, and guide rail 11 is force structures, is made up of 6 No. 20 i iron, end opening links to each other with the pre-buried sleeve of body of wall, suitable for readingly link to each other with high strength anchor bar, bearing support is the sliding vertical load-carrying members that rise, and montant is Φ 48 * 3.5mm steel pipe, every 12m paragragh adopts 7 groups, every group is 5, and first row (7) is cast in the concrete, and other pole-climbing is linked to be whole truss with fastener.
It is one group that the hydraulic climbing system adopts per 4 jack, and every group level interval is 1.9m, is arranged as 7 groups, amounts to 28 on jack, and console adopts the YKT-36 type, and jack is the GYD-60 type, and pole-climbing is Φ 48 * 3.5mm steel pipe.
Construction technological process is:
A. measure setting-out, on the basis, emit the sliding position line that rises framework;
B. calculate the good sliding setting height(from bottom) that rises framework, set up mounting platform, assembling one chip hoisting frame, install by the design lines position, the steel pipe support fixation is firm, the crossbeam of hoisting frame and column carry out level and vertical detection, seven groups of one chip hoisting frames are connected with channel-section steel, and the verticality of every hoisting frame tights a bolt after detecting;
C. enclosure is fixed on special-purpose hook on the column of hoisting frame, slideway and template are installed again, template is the brush release agent earlier, is coated with butter between template and the slideway and uses the simple and easy colligation of bundle silk;
D. the end opening with six roots of sensation guide rail links to each other with the pre-buried sleeve of body of wall, suitable for readingly links to each other with high strength anchor bar;
E. all jack are contained on the crossbeam, connect oil circuit, carry out withstand voltage exhaust system test, do not have any fault, insert all pole-climbings, the external pole-climbing of concrete bottom surface parallels plate and firm welding, the spacing card of locking jack until oil circuit;
F., hopper, blanking groove are installed and are fixed;
G., steel pipe triangle derrick and reinforcing are installed;
H. on three layer operation platforms, lay People's Bank of China's plate.Guard rail and safety net are installed around all platforms;
I. placement layer by layer, floor height is the height of a punching block, divide and five times the monoblock template to be poured into the top, treat that first floor concreting surpasses after 10-12 hour, being connected all between template and the slideway removed, and the sliding framework that rises begins sliding the liter, slides rise for the first time than a high 10-20cm of punching block height, each later on sliding height that rises a punching block, bottom template (40cm) is removed and turns over upright.Normal later on sliding the liter;
J. the slip-framed reverse mould construction finishes, and after concrete strength reached 0.5MPa, with sliding empty dismounting of last monoblock template, the orderly release according to hopper, hydraulic system, guide rail, slideway, enclosure, hoisting frame, cramp bar framed bent finished again earlier.
The construction technology quality is controlled by following method:
A. the water pipe method is adopted in the check of levelness: before sliding the liter in the water pipe water level transfer to same horizon, slidingly rises in the process observation and just carries out one-time leveling above 3cm-5cm when cumulative errors;
B. the detection of verticality: respectively establish a plumb bob for four jiaos, sliding rise observation, when bearing support deviation 1cm suitable for reading, just carry out leveling;
C. sliding mass per liter control: build about 2 meters, the about 10-12 of first floor concreting hour, when concrete strength reaches 0.5-0.6MPa approximately, turn over form removal; The sliding level that rises process by the leveller or the next strict control operation platform of closed portion jack of jack; Guide rail is main primary structure member, and all lateral pressures of concrete are born by guide rail, guarantee that 4 guide rails are in complete stress, and skew is also mainly controlled by guide rail about platform; Concrete curing facade sparge pipe rises with suspension bracket is sliding, and be incubated with the EPE insulation quilt winter.
The construction of privileged sites in the work progress:
A. cat ladder groove: shuttering separately rises framed bent and together rises with sliding;
B. floating mooring dolphin: with autonomous system of three jack compositions, utilize floating ship post corner protector embedded part in addition, also use sliding formwork, the high 120cm of template combines with slip-framed reverse mould, is independent of each other.
The one-sided slip-framed reverse mould device of thin wall concrete, it is by the mould bone device, blanking stage apparatus and hydraulic lifting apparatus three parts are formed, the mould bone device comprises template and the sliding framework that rises, slide and rise framework by slideway 2, enclosure 3, guide rail 11 and hoisting frame 4 are formed, the blanking stage apparatus comprises hopper 9, blanking groove 10, supporting upright post 12 and blanking platform 8, hydraulic lifting apparatus comprises hydraulic control panel 7, jack, supporting upright post 12 and operating platform 6, setting operation platform 6 on the supporting framed bent 5, concrete blanking platform 8 and hydraulic lifting apparatus are arranged on the operating platform 6, the sliding framework integral body that rises is connected with hydraulic lifting apparatus, be connected by enclosure 3 between slideway 2 and the hoisting frame 4, hoisting frame 4 is along guide rail 11 sliding liters, the end opening of guide rail 11 links to each other with the pre-buried sleeve of body of wall, suitable for readingly link to each other with high strength anchor bar, template 1 is close to slideway 2, template 1 and the sliding framework apart that rises, template 1 is combined into by a piece punching block, adopts U type card connection between every punching block.
Template 1 is near slideway, and the sliding framework that rises was pressed with 6 fixing companies of operating platform, utilized the supporting framed bent to come support hydraulic pressure lifting appliance and blanking stage apparatus, support framed bent can be as required with liter with taking, the two-way bridging of cloth therebetween is to strengthen its steadiness.The pre-buried sleeve of the end opening of guide rail 11 and body of wall is fixed, and suitable for readingly is connected with special anchor clamps with the high strength anchor bar of scar, and hoisting frame 4 contacts with guide rail 11, rises with sliding sliding liter of rising framework.Hydraulic lifting device rises framework with cunning, operating platform is connected.All connections are rigidity and have adjustability.Template 1 is close to slideway 2, and along guide rail 11 sliding liters, template 1 is not sliding to be risen slideway 2 with hoisting frame 4, and guide rail 11 is not sliding to be risen.
The whole sliding lifting that rises framework is that inner outer two row's bracing frames are carried out by hydraulic system, and sliding the liter adopted GYD-60 type jack, and supporting framed bent 5 adopts the steel pipe of Φ 48 * 3.5mm, and first row's supporting pole-climbing is arranged in the concrete wall.Concrete wall are provided with three row's supporting pole-climbings outward in addition, arrange 28 jack altogether, steel form leans against on the slideway 2, and jack is arranged on the operating platform 6, hoisting frame 4 climbs by hydraulic pressure, and the integral body that hydraulic control panel 7 adopts the YKT-36 types can bear 28 jack is climbed.Whole platform and template 1 are separated, reinforce and adopt Φ 48 steel pipes, the sliding pole-climbing that rises of will coming to nothing increases by row's vertical rod with the synthetic truss-like integral body of fastener set between second row and the 3rd row, the 3rd row and the 4th row's pole-climbing, and establish waling stripe by 1 meter spacing, to guarantee monolithic stability.
For the level that guarantees operating platform rises, the cartridge type leveller is installed on the operating platform, jack each stroke that climbs can both be checked and the dressing plate planeness exactly.The verticality of template face adopts sash weight control.
For guaranteeing the feasibility of construction technology of the present invention, my one has carried out the construction industrial experimentation in 18 in two lock chamber II north, Three Gorges Permanent north.
The 18 high 35m in two lock chamber II north, north; the slip-framed reverse mould device is disposable to be in place; 1:15 divides and to build since morning on the 8th September in 2000; blanking platform 8 rises with slideway; slideway 2 is sliding rise before concrete vibrate and earlier slideway 2 utilized enclosure 3 and hoisting frame 4 and column to fix in the process; treat that first floor concreting surpasses after 10-12 hour; being connected all between template 1 and the slideway 2 removed; begin sliding the liter; the sliding for the first time 50-60cm that rises, each later on sliding even 40cm that rises, bottom template (40cm) is after the concrete time of building reaches 10-12 hour; dismounting is also turned over upright; normal later on sliding the liter, the whole sliding process that rises is utilized the sliding precision that rises of sash weight inspection, 3.0 meters-3.5 meters of day sliding speed average out to; the sliding liter lasted 16 days; the concrete vertical missing is controlled in the 6mm, finish; planeness is very good, no wave; no constuction joint, and surperficial concrete does not have the disturbance phenomenon extremely.
Existing slip-framed reverse mould construction technology is fully under way at northern line one double-lift lock, and the navigation of Three Gorges Permanent is fully ensured.

Claims (3)

1, the one-sided slip-framed reverse mould construction technology of a kind of thin wall concrete is characterized in that construction technology carries out as follows:
A. measure setting-out, on the basis, emit the sliding position line that rises framework;
B. calculate the good sliding setting height(from bottom) that rises framework, set up mounting platform, assembling one chip hoisting frame, install by the design lines position, the steel pipe support fixation is firm, the crossbeam of hoisting frame and column carry out level and vertical detection, seven groups of one chip hoisting frames are connected with channel-section steel, and the verticality of every hoisting frame tights a bolt after detecting;
C. enclosure is fixed on special-purpose hook on the column of hoisting frame, slideway and template are installed again, template is the brush release agent earlier, is coated with butter between template and the slideway and uses the simple and easy colligation of bundle silk;
D. the end opening with six roots of sensation guide rail links to each other with the pre-buried sleeve of body of wall, suitable for readingly links to each other with high strength anchor bar;
E. all jack are contained on the crossbeam, connect oil circuit, carry out withstand voltage exhaust system test, do not have any fault, insert all pole-climbings, the external pole-climbing of concrete bottom surface parallels plate and firm welding, the spacing card of locking jack until oil circuit;
F., hopper, blanking groove are installed and are fixed;
G., steel pipe triangle derrick and reinforcing are installed;
H. on three layer operation platforms, lay People's Bank of China's plate, guard rail and safety net are installed around all platforms;
I. placement layer by layer, floor height is the height of a punching block, divide and five times the monoblock template to be poured into the top, treat that first floor concreting surpassed after 10-12 hour, being connected all between template and the slideway removed that the sliding framework that rises begins sliding liter, for the first time sliding rise is than a high 10-20cm of punching block height, each later on sliding height that rises a punching block, bottom template (40cm) is removed and turns over upright, normal later on sliding the liter;
J. the slip-framed reverse mould construction finishes, and after concrete strength reached 0.5MPa, with sliding empty dismounting of last monoblock template, the orderly release according to hopper, hydraulic system, guide rail, slideway, enclosure, hoisting frame, cramp bar framed bent finished again earlier.
2, a kind of one-sided slip-framed reverse mould device of thin wall concrete that is exclusively used in the one-sided slip-framed reverse mould construction technology of thin wall concrete, it is characterized in that: it is by the mould bone device, blanking stage apparatus and hydraulic lifting apparatus three parts are formed, the mould bone device comprises template and the sliding framework that rises, slide and rise framework by slideway (2), enclosure (3), guide rail (11) and hoisting frame (4) are formed, the blanking stage apparatus comprises hopper (9), blanking groove (10), supporting upright post (12) and blanking platform (8), hydraulic lifting apparatus comprises hydraulic control panel (7), jack, supporting upright post (12) and operating platform (6), operating platform supporting framed bent (5) is gone up setting operation platform (6), concrete blanking platform (8) and hydraulic lifting apparatus are arranged on the operating platform (6), the sliding liter pressed whole the company with hydraulic lifting apparatus of framework, be connected by enclosure (3) between slideway (2) and the hoisting frame (4), hoisting frame (4) rises along guide rail (11) is sliding, the end opening of guide rail (11) links to each other with the pre-buried sleeve of body of wall, suitable for readingly link to each other with high strength anchor bar, template (1) is close to slideway (2), template (1) and the sliding framework apart that rises.
3, the one-sided slip-framed reverse mould device of a kind of thin wall concrete according to claim 2, it is characterized in that: template (1) is combined into by a piece punching block, adopts U type card connection between every punching block.
CN 00131129 2000-11-07 2000-11-07 Single side slide frame reverse mold construction process and apparatus for thin wall concrete structure Pending CN1352345A (en)

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Application Number Priority Date Filing Date Title
CN 00131129 CN1352345A (en) 2000-11-07 2000-11-07 Single side slide frame reverse mold construction process and apparatus for thin wall concrete structure

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Application Number Priority Date Filing Date Title
CN 00131129 CN1352345A (en) 2000-11-07 2000-11-07 Single side slide frame reverse mold construction process and apparatus for thin wall concrete structure

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102134910A (en) * 2011-03-03 2011-07-27 中国建筑第七工程局有限公司 Method for constructing barrel-shaped concrete structure by adopting reverse moulds
CN102220806A (en) * 2011-03-30 2011-10-19 中联世纪建设集团有限公司 Construction method for supporting and reinforcing ultrahigh hanging single-sided vertical formwork
CN104355260A (en) * 2014-09-28 2015-02-18 中国建筑第八工程局有限公司 Anchor rod hoisting equipment and hoisting method
CN107724671A (en) * 2017-09-05 2018-02-23 湖北中浩建筑有限责任公司 A kind of monoblock type climbing form system and its construction method
CN112482434A (en) * 2020-10-23 2021-03-12 浙江世润建创科技发展有限公司 Shaped large formwork vertical thin-wall side wall and construction method
CN114000700A (en) * 2021-11-17 2022-02-01 广西建工集团冶金建设有限公司 Sliding frame mold inserting device and construction method
CN114232486A (en) * 2021-12-15 2022-03-25 江西省交通工程集团有限公司 Construction method of thin-wall pier template climbing frame and material lifting frame

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102134910A (en) * 2011-03-03 2011-07-27 中国建筑第七工程局有限公司 Method for constructing barrel-shaped concrete structure by adopting reverse moulds
CN102220806A (en) * 2011-03-30 2011-10-19 中联世纪建设集团有限公司 Construction method for supporting and reinforcing ultrahigh hanging single-sided vertical formwork
CN102220806B (en) * 2011-03-30 2012-12-26 中联世纪建设集团有限公司 Construction method for supporting and reinforcing ultrahigh hanging single-sided vertical formwork
CN104355260A (en) * 2014-09-28 2015-02-18 中国建筑第八工程局有限公司 Anchor rod hoisting equipment and hoisting method
CN107724671A (en) * 2017-09-05 2018-02-23 湖北中浩建筑有限责任公司 A kind of monoblock type climbing form system and its construction method
CN107724671B (en) * 2017-09-05 2022-11-15 湖北中浩建筑有限责任公司 Integral type sliding formwork system and construction method thereof
CN112482434A (en) * 2020-10-23 2021-03-12 浙江世润建创科技发展有限公司 Shaped large formwork vertical thin-wall side wall and construction method
CN112482434B (en) * 2020-10-23 2022-02-15 浙江世润建创科技发展有限公司 Shaped large formwork vertical thin-wall side wall and construction method
CN114000700A (en) * 2021-11-17 2022-02-01 广西建工集团冶金建设有限公司 Sliding frame mold inserting device and construction method
CN114000700B (en) * 2021-11-17 2022-12-13 广西建工集团冶金建设有限公司 Sliding frame mold inserting device and construction method
CN114232486A (en) * 2021-12-15 2022-03-25 江西省交通工程集团有限公司 Construction method of thin-wall pier template climbing frame and material lifting frame

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