CN102094392A - Lower supported hanging basket in bridge construction and application thereof - Google Patents
Lower supported hanging basket in bridge construction and application thereof Download PDFInfo
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- CN102094392A CN102094392A CN 201110051329 CN201110051329A CN102094392A CN 102094392 A CN102094392 A CN 102094392A CN 201110051329 CN201110051329 CN 201110051329 CN 201110051329 A CN201110051329 A CN 201110051329A CN 102094392 A CN102094392 A CN 102094392A
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Abstract
The invention discloses a lower supported hanging basket in bridge construction and application thereof. The invention is characterized in that: the lower supported hanging basket is provided with two primary trusses having inverted trapezoidal structures, and an upper chord shoring jack is arranged between the tail of an upper chord and the bottom surface of a box girder edge board; an upper rear suspender is arranged between the middle of the upper chord and an upper rear crossbeam; the front end of the upper chord is connected with an upper front crossbeam; a lower rear suspender is arranged between the middle of a lower chord and a lower rear crossbeam; the upper front crossbeam is connected with a lower front crossbeam through a front suspender; parallelly arranged bottom basket longitudinal beams are fixedly connected between the lower front crossbeam and the lower rear crossbeam; and a hanging basket bottom die is fixedly arranged on the bottom basket longitudinal beams, and hanging basket side dies are positioned on the inner side of the two primary trusses. The hanging basket travelling mode is improved, a bound framework of steel reinforcement can be integrally hoisted into a bottom die platform space and directly subjected to concreting operation, and the construction period is shortened.
Description
Technical field
The present invention relates to cradle structure and application thereof in a kind of bridge construction.
Background technology
In bridge construction, Hanging Basket is to be used to have current the requirement and the relatively poor cast-in-place a kind of device of large-span concrete bridge cantilever of foundation condition.
Cradle structure commonly used at present comprises deck type triangle hanging basket, Diamond-Shape Form Traveler, bowstring type Hanging Basket and hybrid Hanging Basket or the like, and the Hanging Basket of these existing forms all is arranged on the top of beam body.The concreting state of various Hanging Baskets is similar with the suffered force mode of Hanging Basket walking states, be to guarantee stability in the cradle construction process, and is must pre-buried fining twisted steel on casting beams body heavy as back anchor or load balance.When hanging blue traveling anti-bearing, glide path and the glide path anchor bar of drawing must be set, wherein, the anti-bearing that draws passes to the beam body of having built by glide path and glide path anchor bar with pulling force, and the glide path anchor bar is clouded on the slideway of all box girder segments.Bottom die platform and external mold are hung traveling on the sliding outside beam, and the length of sliding beam must be built sections above two outward.Mainly there is following problem in this traditional deck type Hanging Basket in construction:
Need the fining twisted steel of pre-buried a greater number when 1, constructing, these built-in fittings are embedded in the case beam and can't reclaim, and cause waste of material;
2, the pre-buried required precision of glide path anchor bar is higher, and the utilization rate again of slideway is extremely low;
3, anti-setting of drawing bearing is comparatively complicated, uneconomical;
4, the space at beam body top is subjected to the restriction of deck type main truss cradle shelf structure, make beam body cage of reinforcement can only be according to the conventional method on bottom die platform the scene advance colligation, operation easier is big, influences the duration;
5, the deck type Hanging Basket moves slowly, must draw bearing to cooperate repeatedly to finish by counter in the process out of shape, time-consumingly takes a lot of work again;
Summary of the invention
The present invention is for avoiding above-mentioned existing in prior technology weak point, provide a kind of can improve Hanging Basket mode out of shape, and can will finish the cage of reinforcement integral body of colligation hang in and directly carry out the concreting operation in the bottom die platform space, with lower support type Hanging Basket and the application thereof in the bridge construction of reduction of erection time.
Technical solution problem of the present invention adopts following technical scheme:
The design feature of the lower support type Hanging Basket in the bridge construction of the present invention is:
Have two and fall trapezoidal main couple, by upper chord, lower chord, be connected between upper chord and the lower chord montant to and brace constitute; At the afterbody of described upper chord and between the bottom surface of casting beams section box beam flange plate upper chord is set and shores jack, and a pair of bottom surface with the described section of casting beams box beam flange plate is set is the road wheel of supporting surface; Between the middle part of described upper chord and back top rail, the back upper hanger is set; The front end of described upper chord is connected with preceding top rail; Between the middle part of described lower chord and back lower transverse beam, suspension rod under the back is set; Before described between top rail and the preceding lower transverse beam before suspension rod be connected;
At described back top rail and between the end face of casting beams section cushion block has been set;
Each end basket longeron that be arranged in parallel is fixedly connected between described preceding lower transverse beam and the back lower transverse beam; The Hanging Basket bed die is fixedly installed on the end basket longeron, and the Hanging Basket side form is positioned at the inboard of described main couple.
It is to carry out according to the following procedure that the present invention uses the characteristics that the lower support type Hanging Basket carries out the method for beam structure construction:
A, carry out the assembly unit of all members of the lower support type Hanging Basket except back top rail and back upper hanger outside the venue, lift to continuous beam " 0 " number piece position after finishing assembly unit, carry out bolt with the back top rail of independent hoisted in position separately at the middle part of upper chord, between upper chord and back top rail, the back upper hanger is installed;
B, regulate back upper hanger, the back length of suspension rod and preceding suspension rod down respectively, what make the lower support type Hanging Basket is in continuous beam " 1 " number piece position, finishes the adjustment of lower support type Hanging Basket;
C, continuous beam " 1 " number piece cage of reinforcement integral hoisting that will finish colligation outside the venue are in place in finishing the lower support type Hanging Basket of adjustment, continuous beam " 1 " number piece cage of reinforcement that hangs in is connected with the reinforcing bar of continuous beam " 0 " number piece end, on the Hanging Basket bed die,, finish the setting of the template in the Hanging Basket by bowl button stent support internal mold;
D, in template concreting, treat after the strong stretch-draw mud jacking such as concrete that suspension rod and back upper hanger carry out the demoulding down by regulating preceding suspension rod, back; Remove the back upper hanger after the demoulding, regulate upper chord and shore jack road wheel is supported on the bottom surface of casting beams section box beam flange plate, be arranged on the back top rail and the cushion block between the end face of casting beams section be replaced by the universal wheel that can walk;
E, by leading chain block traction back top rail, make Hanging Basket move to next sections of continuous beam, described universal wheel is replaced by cushion block again, and the adjusting upper chord is shored jack breaks away from again to the support of the bottom surface of casting beams section box beam flange plate road wheel, and the back upper hanger is installed;
F, repeating said steps b-f are until the construction of finishing beam structure.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the present invention can hang in the cage of reinforcement integral body of finishing colligation in the bottom die platform space by the mode out of shape of improving Hanging Basket, directly carries out the concreting operation, has shortened the site operation cycle greatly.
2, the present invention has selected more rational force way, and stressed clear and definite, simple in structure, the recycling rate of waterused of each working stage of Hanging Basket improves, greatly economization embedded bar material and default operation.
3, the present invention utilizes the upper space of lower support type Hanging Basket, the space of whole cage of reinforcement hoisted in position is provided, its method is simple and reliable, the case beam concrete segment of having built provides the space for the colligation of beam body cage of reinforcement, utilize the synchronism of tie with reinforcing bar and concrete construction and Hanging Basket walking, shorten the construction period.
4, the present invention is according to lower support type Hanging Basket Move Mode, and Hanging Basket is out of shape more stable, and state out of shape no longer becomes the principal element of restriction Hanging Basket safety, has also shortened the Hanging Basket travel time simultaneously.
Description of drawings
Fig. 1 is a lower support type Hanging Basket of the present invention front face;
Fig. 2 is a lower support type Hanging Basket side view of the present invention;
Fig. 3 is a lower support type Hanging Basket plan view of the present invention;
Number in the figure: top rails, 6 back lower transverse beams, 7 backs suspension rods, 10 end basket longerons, 11 Hanging Basket bed dies, 12 Hanging Basket side forms, 13 cushion blocks, 14 casting beams section, 15 casting beams section box beam flange plate, 16 road wheels before the lower transverse beams, 9 before the suspension rod, 8 down before 1 upper chord, 2 lower chords, 3 back top rails, the 4 back upper hangers, 5.
The specific embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, the form of structure of lower support type Hanging Basket is in the present embodiment:
Lower support type Hanging Basket in the bridge construction in the present embodiment has two and falls trapezoidal main couple, by upper chord 1, lower chord 2, be connected between upper chord 1 and the lower chord 2 montant to and brace constitute; At the afterbody of upper chord 1 and between the bottom surface of casting beams section box beam flange plate 15 upper chord is set and shores jack, and the road wheel 16 that a pair of bottom surface with box beam flange plate is set is supporting surface; Between the middle part of upper chord 1 and back top rail 3, back upper hanger 4 is set; The front end of upper chord 1 is connected with preceding top rail 5; Between the middle part of lower chord 2 and back lower transverse beam 6, suspension rod 7 under the back is set; Suspension rod 9 is connected before between preceding top rail 5 and preceding lower transverse beam 8;
At back top rail 3 and between the end face of casting beams section 14 cushion block 13 has been set;
Each end basket longeron 10 that be arranged in parallel is fixedly connected between preceding lower transverse beam 8 and the back lower transverse beam 6; Hanging Basket bed die 11 is fixedly installed on the end basket longeron 10, and Hanging Basket side form 12 is positioned at the inboard of main couple.
In concrete the enforcement,, can be set to screw rod by each suspension rod, on the position of correspondence, jack is set respectively, adjust the lifting length of screw rod with jack in order to adjust the length of each suspension rod.
Work progress:
1, carries out the assembly unit of all members of the lower support type Hanging Basket except back top rail 3 and back upper hanger 4 outside the venue, lift to continuous beam " 0 " number piece position after finishing assembly unit, carry out bolt with the back top rail 3 of independent hoisted in position separately at the middle part of upper chord 1, between upper chord 1 and back top rail 3, back upper hanger 4 is installed;
2, regulate back upper hanger 4, the back length of suspension rod 7 and preceding suspension rod 9 down respectively, what make the lower support type Hanging Basket is in continuous beam " 1 " number piece position, finishes the adjustment of lower support type Hanging Basket;
3, it is in place in finishing the lower support type Hanging Basket of adjustment to finish continuous beam " 1 " number piece cage of reinforcement integral hoisting of colligation outside the venue, continuous beam " 1 " number piece cage of reinforcement that hangs in is connected with the reinforcing bar of continuous beam " 0 " number piece end, on Hanging Basket bed die 11,, finish the setting of the template in the Hanging Basket by bowl button stent support internal mold; Cage of reinforcement can carry out colligation on the beam section 14 of having built;
4, concreting in template is treated after the strong stretch-draw mud jacking such as concrete, and suspension rod 7 and back upper hanger 4 carry out the demoulding down by suspension rod 9, back before regulating; Remove back upper hanger 4 after the demoulding, regulate upper chord and shore jack road wheel 16 is supported on the bottom surface of casting beams section box beam flange plate 15, the cushion block 13 that will be arranged between the end face of back top rail 3 and continuous beam " 0 " number piece is replaced by the universal wheel that can walk; Continuous beam " 0 " number piece is casting beams section 14;
5, by leading chain block traction back top rail 3, make Hanging Basket move to next sections of continuous beam, universal wheel is replaced by cushion block 13 again, and the adjusting upper chord is shored jack breaks away from again to the support of the bottom surface of casting beams section box beam flange plate 15 road wheel 16, and back upper hanger 4 is installed;
6, repeating step 2-6 is until the construction of finishing beam structure.
Claims (2)
1. the lower support type Hanging Basket in the bridge construction is characterized in that:
Have two and fall trapezoidal main couple, by upper chord (1), lower chord (2), be connected between upper chord (1) and the lower chord (2) montant to and brace constitute; At the afterbody of described upper chord (1) and between the bottom surface of casting beams section box beam flange plate (15) upper chord is set and shores jack, and the road wheel (16) that a pair of bottom surface with the described section of casting beams box beam flange plate (15) is set is supporting surface; Back upper hanger (4) is set between the middle part of described upper chord (1) and back top rail (3); The front end of described upper chord (1) is connected with preceding top rail (5); Between the middle part of described lower chord (2) and back lower transverse beam (6), suspension rod (7) under the back is set; Suspension rod (9) is connected before between top rail before described (5) and the preceding lower transverse beam (8);
At described back top rail (3) and between the end face of casting beams section (14) cushion block (13) has been set;
Each end basket longeron (10) that be arranged in parallel is fixedly connected between described preceding lower transverse beam (8) and the back lower transverse beam (6); Hanging Basket bed die (11) is fixedly installed on the end basket longeron (10), and Hanging Basket side form (12) is positioned at the inboard of described main couple.
2. an application rights requires 1 described lower support type Hanging Basket to carry out the method for beam structure construction, it is characterized in that carrying out according to the following procedure:
A, carry out outside the venue except back top rail (3) and the assembly unit of all members of the lower support type Hanging Basket the upper hanger (4) afterwards, lift to continuous beam " 0 " number piece position after finishing assembly unit, carry out bolt with the back top rail (3) of independent hoisted in position separately at the middle part of upper chord (1), back upper hanger (4) is installed between upper chord (1) and back top rail (3);
B, regulate back upper hanger (4), the back length of suspension rod (7) and preceding suspension rod (9) down respectively, what make the lower support type Hanging Basket is in continuous beam " 1 " number piece position, finishes the adjustment of lower support type Hanging Basket;
C, continuous beam " 1 " number piece cage of reinforcement integral hoisting that will finish colligation outside the venue are in place in finishing the lower support type Hanging Basket of adjustment, continuous beam " 1 " number piece cage of reinforcement that hangs in is connected with the reinforcing bar of continuous beam " 0 " number piece end, go up by bowl button stent support internal mold at Hanging Basket bed die (11), finish the setting of the template in the Hanging Basket;
D, in template concreting, treat after the strong stretch-draw mud jacking such as concrete, by regulate preceding suspension rod (9), back down suspension rod (7) and afterwards upper hanger (4) carry out the demoulding; Remove back upper hanger (4) after the demoulding, regulate upper chord and shore jack road wheel (16) is supported on the bottom surface of casting beams section box beam flange plate (15), will be arranged on back top rail (3) and the cushion block (13) between the end face of casting beams section (14) be replaced by the universal wheel that can walk;
E, by leading chain block traction back top rail (3), make Hanging Basket move to next sections of continuous beam, described universal wheel is replaced by cushion block (13) again, the adjusting upper chord is shored jack breaks away from again to the support of the bottom surface of casting beams section box beam flange plate (15) road wheel (16), and back upper hanger (4) is installed;
F, repeating said steps b-f are until the construction of finishing beam structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110051329 CN102094392B (en) | 2011-03-03 | 2011-03-03 | Lower supported hanging basket in bridge construction and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110051329 CN102094392B (en) | 2011-03-03 | 2011-03-03 | Lower supported hanging basket in bridge construction and application thereof |
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| CN102094392A true CN102094392A (en) | 2011-06-15 |
| CN102094392B CN102094392B (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110051329 Active CN102094392B (en) | 2011-03-03 | 2011-03-03 | Lower supported hanging basket in bridge construction and application thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605720A (en) * | 2012-03-30 | 2012-07-25 | 中铁四局集团第一工程有限公司 | Integrated construction equipment for binding and lifting continuous beam steel reinforcement framework and construction method |
| CN102653937A (en) * | 2012-05-10 | 2012-09-05 | 中铁四局集团第一工程有限公司 | Concrete construction template bracket for high speed rotary road of automobile test field and construction method |
| CN103774557A (en) * | 2014-01-22 | 2014-05-07 | 中铁大桥局股份有限公司 | Variable-width movable construction platform |
| CN104762882A (en) * | 2015-04-16 | 2015-07-08 | 天津城建大学 | Bridge segment lifting device and method |
| CN106223208A (en) * | 2016-09-18 | 2016-12-14 | 中国铁建大桥工程局集团有限公司 | A kind of large overhanging beam anti-high wind flow-guiding type hanging basket formwork of construction |
| CN108867406A (en) * | 2018-06-14 | 2018-11-23 | 中铁三局集团有限公司 | A kind of construction method for being applicable in base-supporting Hanging Basket closure segment and quickly positioning |
| CN110067211A (en) * | 2019-04-23 | 2019-07-30 | 中建市政工程有限公司 | A kind of bridge flange plate stripper apparatus and its construction method |
| CN110117934A (en) * | 2019-04-12 | 2019-08-13 | 北京市政建设集团有限责任公司 | A kind of bridge hanging basket template and its installation method |
| CN111576248A (en) * | 2020-05-29 | 2020-08-25 | 中铁七局集团有限公司 | Dismantling method for cantilever cast-in-situ beam hanging basket system |
| CN113338168A (en) * | 2021-06-24 | 2021-09-03 | 中交二航局第四工程有限公司 | Cantilever beam construction is with hanging basket with high security |
| CN113358470A (en) * | 2021-06-04 | 2021-09-07 | 山东理工大学 | Out-of-plane stable single steel truss test model |
| CN113863167A (en) * | 2021-10-22 | 2021-12-31 | 中建三局集团有限公司 | Descending type suspension casting hanging basket and construction method thereof |
| CN114892536A (en) * | 2022-06-27 | 2022-08-12 | 广州市市政集团有限公司 | A walking structure for hanging No. one outside template of pouring box girder |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102605720A (en) * | 2012-03-30 | 2012-07-25 | 中铁四局集团第一工程有限公司 | Integrated construction equipment for binding and lifting continuous beam steel reinforcement framework and construction method |
| CN102605720B (en) * | 2012-03-30 | 2013-12-11 | 中铁四局集团第一工程有限公司 | Integrated construction equipment for binding and lifting continuous beam steel reinforcement framework and construction method |
| CN102653937A (en) * | 2012-05-10 | 2012-09-05 | 中铁四局集团第一工程有限公司 | Concrete construction template bracket for high speed rotary road of automobile test field and construction method |
| CN102653937B (en) * | 2012-05-10 | 2014-05-07 | 中铁四局集团第一工程有限公司 | Concrete construction template bracket for high speed rotary road of automobile test field and construction method |
| CN103774557A (en) * | 2014-01-22 | 2014-05-07 | 中铁大桥局股份有限公司 | Variable-width movable construction platform |
| CN103774557B (en) * | 2014-01-22 | 2015-11-18 | 中铁大桥局集团有限公司 | A kind of luffing packaged type operation platform |
| CN104762882A (en) * | 2015-04-16 | 2015-07-08 | 天津城建大学 | Bridge segment lifting device and method |
| CN104762882B (en) * | 2015-04-16 | 2016-06-15 | 天津城建大学 | Bridge subsection hanging apparatus and hanging method |
| CN106223208A (en) * | 2016-09-18 | 2016-12-14 | 中国铁建大桥工程局集团有限公司 | A kind of large overhanging beam anti-high wind flow-guiding type hanging basket formwork of construction |
| CN106223208B (en) * | 2016-09-18 | 2017-10-31 | 中国铁建大桥工程局集团有限公司 | A kind of anti-high wind flow-guiding type hanging basket formwork of large overhanging beam construction |
| CN108867406A (en) * | 2018-06-14 | 2018-11-23 | 中铁三局集团有限公司 | A kind of construction method for being applicable in base-supporting Hanging Basket closure segment and quickly positioning |
| CN110117934A (en) * | 2019-04-12 | 2019-08-13 | 北京市政建设集团有限责任公司 | A kind of bridge hanging basket template and its installation method |
| CN110067211A (en) * | 2019-04-23 | 2019-07-30 | 中建市政工程有限公司 | A kind of bridge flange plate stripper apparatus and its construction method |
| CN111576248A (en) * | 2020-05-29 | 2020-08-25 | 中铁七局集团有限公司 | Dismantling method for cantilever cast-in-situ beam hanging basket system |
| CN113358470A (en) * | 2021-06-04 | 2021-09-07 | 山东理工大学 | Out-of-plane stable single steel truss test model |
| CN113358470B (en) * | 2021-06-04 | 2022-09-13 | 山东理工大学 | Out-of-plane stable single steel truss test model |
| CN113338168A (en) * | 2021-06-24 | 2021-09-03 | 中交二航局第四工程有限公司 | Cantilever beam construction is with hanging basket with high security |
| CN113338168B (en) * | 2021-06-24 | 2023-01-10 | 中交二航局第四工程有限公司 | Hanging basket with high safety for cantilever beam construction |
| CN113863167A (en) * | 2021-10-22 | 2021-12-31 | 中建三局集团有限公司 | Descending type suspension casting hanging basket and construction method thereof |
| CN114892536A (en) * | 2022-06-27 | 2022-08-12 | 广州市市政集团有限公司 | A walking structure for hanging No. one outside template of pouring box girder |
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| CN102094392B (en) | 2012-05-02 |
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