CN105643775A - Formwork system for manufacturing suspension type monorail transit track beam and construction process - Google Patents
Formwork system for manufacturing suspension type monorail transit track beam and construction process Download PDFInfo
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- CN105643775A CN105643775A CN201610087858.5A CN201610087858A CN105643775A CN 105643775 A CN105643775 A CN 105643775A CN 201610087858 A CN201610087858 A CN 201610087858A CN 105643775 A CN105643775 A CN 105643775A
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- Prior art keywords
- screw jack
- leading screw
- track girder
- concrete
- suspension type
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
- B28B23/024—Supporting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/28—Cores; Mandrels
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Railway Tracks (AREA)
Abstract
The invention discloses a formwork system for manufacturing a suspension type monorail transit track beam and a construction process and belongs to the field of manufacturing of suspension type monorail transit track beams. By utilizing the formwork system and the construction process, bending deformation of exterior formworks (8) is controlled by adjusting the tension-compression capacity of lead screw jacks (6-1) and lead screw jacks (6-2), and bending deformation of interior formworks (9) is controlled by adjusting the tension-compression capacity of lead screw jacks (7-1) and lead screw jacks (7-2), so that the external and internal line forms and dimensions of the suspension type monorail transit track beam meet the design requirements; the pouring direction of concrete of a track beam top surface (16-1) and the pouring direction of concrete of track beam bottom surfaces (16-2) are opposite to the normal operating direction of the track beam during use, that is, the concrete of the track beam top surface (16-1) is poured on a trolley surface (10), and the concrete of the track beam bottom surfaces (16-2) is poured in the position far from the trolley surface (10). In this way, the goal of manufacturing the suspension type monorail transit track beam meeting the design requirements is achieved.
Description
Technical field
This patent relates to suspension type monorail traffic track beam and makes template system and construction technology, is applied in the prefabrication process of suspension type monorail traffic track beam.
Background technology
Within 1893, German EugenLangen has invented suspension type monorail traffic, and in 1898-1901 in the city of famous outstanding car-Wu Pata city, Ruhr Region in Germany (Wupppertaler) built the suspension type monorail railway of 13.3km, this is the earliest, to be also suspension type monorail traffic with the longest history in the world. Henceforth, the Dortmund of Germany, Dusseldorf and the Chiba city of Japan, Prefectura de Kanagawa etc. have also built the suspension type monorail railway of certain mileage in succession. At present in the China suspension type monorail traffic route but without a formal operation, the cross-saddle single-track traffic circuit in Chongqing is the monorail transit circuit that China is few in number.
What suspension type monorail traffic track beam adopted is the box frame construction having longitudinal opening in the middle of bottom, base plate in track girder box frame is provided with the running face that vehicle tyre travels, and the web in track girder box frame is provided with the spigot surface that vehicle tyre travels. The form of civil engineering structure many employings steel constructions such as the existing track girder in suspension type monorail traffic system and bridge pier, namely adopts steel tank ellbeam as track girder, by steel column by overhead for track girder unsettled. Steel track beam above two metal supports of correspondence, forms steel tank ellbeam freely-supported by Force system by two the metal supporting leg freely-supporteds being arranged on outside steel tank ellbeam on steel bridge pier capping beam. This steel tank ellbeam is little because of steel plate thickness, stress flexing phenomenon very easily occurs, causes that the vehicular load of its carrying is little, and antidetonation is unfavorable, and track girder is easily generated bigger deformation, is unfavorable for the alignment control of track girder; Steel construction is also easy to corrosion, affects its durability.
Utility model patent " cross-saddle single-track traffic environment protection movable formula pre-track beam forms system " (application number: 201420374959.7) discloses a kind of straddle-seat type single traffic rail beam template system, utilize the template system of this utility model, the backed prestressed concrete track girder in bottom can be produced, track girder used by this straddle-type monorail transportation system, upper surface is travelled by vehicle face, two sides is spigot surface and the stabilising surface of vehicle, these three face requires there is significantly high machining accuracy, has been beneficial to vehicle and has travelled.
By the research of existing patent, open source literature is found, current existing track beam form system cannot process the prefabricated concrete track beam being applied in suspension type monorail traffic.For this, a kind of suspension type monorail traffic track beam need to be developed and make template system and construction technology.
Summary of the invention
This patent to solve the technical problem that: proposes a kind of suspension type monorail traffic track beam and makes template system and construction technology, it is achieved produces the target of the suspension type monorail traffic track beam met design requirement.
This patent solves its technical problem and be the technical scheme is that
Suspension type monorail traffic track beam makes template system and construction technology, and suspension type monorail traffic track beam makes template system and includes back timber 1, steel strut 2, bottom girder 3, upper longeron 4-1, intermediate longitudinal girder 4-2, lower longeron 4-3, exterior sheathing suspender 5-1, inner formword suspender 5-2, hinge 5-2J, leading screw jack 6-1, leading screw jack 6-2, hinge 6-1J, hinge 6-2J, leading screw jack 7-1, leading screw jack 7-2, hinge 7-1J, hinge 7-2J, exterior sheathing 8, inner formword 9, bottom die trolley 11, rail 12, sleeper 13, suspension rod 14, hinge 14J; It is characterized in that: exterior sheathing 8 is hung on back timber 1 by exterior sheathing suspender 5-1, exterior sheathing 8 is connected with leading screw jack 6-1, leading screw jack 6-2 by cutting with scissors 6-1J, cutting with scissors 6-2J; Inner formword 9 is hung on back timber 1 by inner formword suspender 5-2, and inner formword 9 is connected with leading screw jack 7-1, leading screw jack 7-2 by cutting with scissors 7-1J, cutting with scissors 7-2J; The in opposite direction when direction of track girder end face 16-1 concrete and the 16-2 concreting of track girder bottom surface and track girder normal operation use, namely track girder end face 16-1 concrete is built on chassis face 10, and track girder bottom surface 16-2 concrete is built away from chassis face 10;
Suspension type monorail traffic track girder construction process comprises the following steps:
Step one is assembling reinforcement cage 15 on chassis face 10, and the reinforcing bar at track girder end face 16-1 place is near chassis face 10 colligation, and the reinforcing bar at 16-2 place, track girder bottom surface is away from chassis face 10 colligation;
Bottom die trolley 11 is imported in template system along rail 12 by step 2, is placed in exterior sheathing 8 and the lower section of inner formword 9;
Step 3 controls the flexural deformation of exterior sheathing 8 by the tension and compression amount of adjusting screw jack 6-1, leading screw jack 6-2, in order to make the outside of suspension type monorail traffic track beam linear and size meets design requirement; Leading screw jack 6-1, leading screw jack 6-2 tension and compression weight range be-500mm��+500mm, wherein "-" represent tension, "+" represent pressurized;
Step 4 controls the flexural deformation of inner formword 9 by the tension and compression amount of adjusting screw jack 7-1, leading screw jack 7-2, in order to make the inside of suspension type monorail traffic track beam linear and size meets design requirement; Leading screw jack 7-1, leading screw jack 7-2 tension and compression weight range be-500mm��+500mm, wherein "-" represent tension, "+" represent pressurized;
Step 5 builds track girder concrete between exterior sheathing 8 and inner formword 9, makes track girder end face 16-1 concrete build on chassis face 10, and track girder bottom surface 16-2 concrete is built away from chassis face 10;
After step 6 track girder concrete reaches design age, adjusting screw jack 6-1, leading screw jack 6-2 tension and compression amount, make exterior sheathing 8 disengage with track girder concrete;
The bolt cutting with scissors 5-2J, hinge 14J place of step 7 dismounting suspension rod 14, extracts suspension rod 14 out in track girder concrete; Adjusting screw jack 7-1, leading screw jack 7-2 tension and compression amount, make inner formword 9 disengage with track girder concrete;
The bolt at the hinge 7-2J place cutting with scissors 7-1J, leading screw jack 7-2 of step 8 dismounting leading screw jack 7-1, extracts leading screw jack 7-1, leading screw jack 7-2 out in track girder concrete;Inner formword 9 is pulled out in track girder case;
The track girder completing initial curing on bottom die trolley 11 is derived template system along rail 12 by step 9, can produce the suspension type monorail traffic track beam met design requirement.
This patent is reasonable in design, and the suitability is strong, and good reliability has wide practical use.
Accompanying drawing explanation
Fig. 1 suspension type monorail traffic track beam makes template system front view
Fig. 2 suspension type monorail traffic track beam makes template system side view
Fig. 3 suspension type monorail traffic track beam makes template system elevation
Fig. 4 suspension type monorail traffic track beam makes template system casting concrete sectional drawing
Fig. 5 suspension type monorail traffic track beam makes template system form removal and completes rear end face figure
In figure: 1 back timber; 2 steel struts; 3 bottom girders; The upper longeron of 4-1; 4-2 intermediate longitudinal girder; Longeron under 4-3; 5-1 exterior sheathing suspender; 5-2 inner formword suspender; 5-2J cuts with scissors; 6-1 leading screw jack; 6-2 leading screw jack; 6-1J cuts with scissors; 6-2J cuts with scissors; 7-1 leading screw jack; 7-2 leading screw jack; 7-1J cuts with scissors; 7-2J cuts with scissors; 8 exterior sheathings; 9 inner formwords; 10 chassis faces; 11 bottom die trolleys; 12 rail; 13 sleepers; 14 suspension rods; 14J cuts with scissors; 15 steel reinforcement cages; 16-1 track girder end face; 16-2 track girder bottom surface.
Detailed description of the invention
In conjunction with accompanying drawing, this patent is described further:
Embodiment one:
Application suspension type monorail traffic track beam makes template system and construction technology makes concrete track beam, and track girder is the camber beam of long 30m, plane curve radius 30m. This suspension type monorail traffic track beam makes template system and includes back timber 1, steel strut 2, bottom girder 3, upper longeron 4-1, intermediate longitudinal girder 4-2, lower longeron 4-3, exterior sheathing suspender 5-1, inner formword suspender 5-2, hinge 5-2J, leading screw jack 6-1, leading screw jack 6-2, hinge 6-1J, hinge 6-2J, leading screw jack 7-1, leading screw jack 7-2, hinge 7-1J, hinge 7-2J, exterior sheathing 8, inner formword 9, bottom die trolley 11, rail 12, sleeper 13, suspension rod 14, hinge 14J.
Step one is assembling reinforcement cage 15 on chassis face 10, and the reinforcing bar at track girder end face 16-1 place is near chassis face 10 colligation, and the reinforcing bar at 16-2 place, track girder bottom surface is away from chassis face 10 colligation;
Bottom die trolley 11 is imported in template system along rail 12 by step 2, is placed in exterior sheathing 8 and the lower section of inner formword 9;
Step 3 controls the flexural deformation of exterior sheathing 8 by the tension and compression amount of adjusting screw jack 6-1, leading screw jack 6-2, in order to make the outside of suspension type monorail traffic track beam linear and size meets design requirement; Leading screw jack 6-1, leading screw jack 6-2 tension and compression weight range be-500mm��+500mm, wherein "-" represent tension, "+" represent pressurized;
Step 4 controls the flexural deformation of inner formword 9 by the tension and compression amount of adjusting screw jack 7-1, leading screw jack 7-2, in order to make the inside of suspension type monorail traffic track beam linear and size meets design requirement; Leading screw jack 7-1, leading screw jack 7-2 tension and compression weight range be-500mm��+500mm, wherein "-" represent tension, "+" represent pressurized;
Step 5 builds track girder concrete between exterior sheathing 8 and inner formword 9, makes track girder end face 16-1 concrete build on chassis face 10, and track girder bottom surface 16-2 concrete is built away from chassis face 10, such as Fig. 4;
After step 6 track girder concrete reaches design age, adjusting screw jack 6-1, leading screw jack 6-2 tension and compression amount, make exterior sheathing 8 disengage with track girder concrete;
The bolt cutting with scissors 5-2J, hinge 14J place of step 7 dismounting suspension rod 14, extracts suspension rod 14 out in track girder concrete; Adjusting screw jack 7-1, leading screw jack 7-2 tension and compression amount, make inner formword 9 disengage with track girder concrete;
The bolt at the hinge 7-2J place cutting with scissors 7-1J, leading screw jack 7-2 of step 8 dismounting leading screw jack 7-1, extracts leading screw jack 7-1, leading screw jack 7-2 out in track girder concrete; By inner formword 9 from pull-out in track girder case, complete form removal, such as Fig. 5;
The track girder completing initial curing on bottom die trolley 11 is derived template system along rail 12 by step 9, can produce the suspension type monorail traffic track beam met design requirement.
Above-described specific implementation method, is illustrated the purpose of this patent, technical scheme and beneficial effect. Institute, it is emphasized that the foregoing is only specific implementation of the patent example, can not be used for limiting the scope of this patent. Within all spirit at this patent and principle, any amendment made, equivalent replacement or improvement etc., should be included within the protection domain of this patent.
In sum, this patent provides a kind of suspension type monorail traffic track beam and makes template system and construction technology, it is achieved produce the target of the suspension type monorail traffic track beam met design requirement. This patent has novelty, practicality, meets patent requirements, therefore proposes patent application in accordance with the law.
Claims (1)
1. suspension type monorail traffic track beam makes template system and construction technology, suspension type monorail traffic track beam makes template system and includes back timber (1), steel strut (2), bottom girder (3), upper longeron (4-1), intermediate longitudinal girder (4-2), lower longeron (4-3), exterior sheathing suspender (5-1), inner formword suspender (5-2), hinge (5-2J), leading screw jack (6-1), leading screw jack (6-2), hinge (6-1J), hinge (6-2J), leading screw jack (7-1), leading screw jack (7-2), hinge (7-1J), hinge (7-2J), exterior sheathing (8), inner formword (9), bottom die trolley (11), rail (12), sleeper (13), suspension rod (14), hinge (14J), it is characterized in that: exterior sheathing (8) is hung on back timber (1) by exterior sheathing suspender (5-1), exterior sheathing (8) is connected with leading screw jack (6-1), leading screw jack (6-2) by cutting with scissors (6-1J), cutting with scissors (6-2J), inner formword (9) is hung on back timber (1) by inner formword suspender (5-2), and inner formword (9) is connected with leading screw jack (7-1), leading screw jack (7-2) by cutting with scissors (7-1J), cutting with scissors (7-2J), the in opposite direction when direction of track girder end face (16-1) concrete and track girder bottom surface (16-2) concreting and track girder normal operation use, namely track girder end face (16-1) concrete is built on chassis face (10), and track girder bottom surface (16-2) concrete is built away from chassis face (10),
Suspension type monorail traffic track girder construction process comprises the following steps:
Step one is at chassis face (10) upper assembling reinforcement cage (15), the reinforcing bar at track girder end face (16-1) place is near chassis face (10) colligation, and the reinforcing bar at track girder bottom surface (16-2) place is away from chassis face (10) colligation;
Bottom die trolley (11) is imported in template system by step 2 along rail (12), is placed in exterior sheathing (8) and the lower section of inner formword (9);
Step 3 controls the flexural deformation of exterior sheathing (8) by the tension and compression amount of adjusting screw jack (6-1), leading screw jack (6-2), in order to make the outside of suspension type monorail traffic track beam linear and size meets design requirement; Leading screw jack (6-1), leading screw jack (6-2) tension and compression weight range be-500mm��+500mm, wherein "-" represent tension, "+" represent pressurized;
Step 4 controls the flexural deformation of inner formword (9) by the tension and compression amount of adjusting screw jack (7-1), leading screw jack (7-2), in order to make the inside of suspension type monorail traffic track beam linear and size meets design requirement; Leading screw jack (7-1), leading screw jack (7-2) tension and compression weight range be-500mm��+500mm, wherein "-" represent tension, "+" represent pressurized;
Step 5 builds track girder concrete between exterior sheathing (8) and inner formword (9), making track girder end face (16-1) concrete build on chassis face (10), track girder bottom surface (16-2) concrete is built away from chassis face (10);
After step 6 track girder concrete reaches design age, adjusting screw jack (6-1), leading screw jack (6-2) tension and compression amount, make exterior sheathing (8) and track girder concrete disengage;
Step 7 dismantles the bolt at the hinge (5-2J) of suspension rod (14), hinge (14J) place, extracts suspension rod (14) in track girder concrete out; Adjusting screw jack (7-1), leading screw jack (7-2) tension and compression amount, make inner formword (9) and track girder concrete disengage;
Step 8 dismantles the bolt at hinge (7-2J) place of the hinge (7-1J) of leading screw jack (7-1), leading screw jack (7-2), extracts leading screw jack (7-1), leading screw jack (7-2) in track girder concrete out; Inner formword (9) is pulled out in track girder case;
The track girder completing initial curing on bottom die trolley (11) is derived template system along rail (12) by step 9, can produce the suspension type monorail traffic track beam met design requirement.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762230 | 2015-11-10 | ||
| CN2015107622306 | 2015-11-10 |
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| CN105643775A true CN105643775A (en) | 2016-06-08 |
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| CN201610087858.5A Pending CN105643775A (en) | 2015-11-10 | 2016-02-17 | Formwork system for manufacturing suspension type monorail transit track beam and construction process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003392A (en) * | 2016-07-04 | 2016-10-12 | 北京交通大学 | Fixed-line-shaped track beam precasting formwork system for straddle type monorail transit |
| CN106089253A (en) * | 2016-08-17 | 2016-11-09 | 中国路桥工程有限责任公司 | A kind of all-hydraulic template system poured for culvert |
| CN108162161A (en) * | 2018-02-09 | 2018-06-15 | 北京交通大学 | A kind of high-precision two-orbit beam makes template system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201687203U (en) * | 2010-04-08 | 2010-12-29 | 中铁十一局集团桥梁有限公司 | U-shaped beam prefabricated form |
| KR20120120680A (en) * | 2011-04-25 | 2012-11-02 | 유니슨이테크 주식회사 | Apparatus for manufacturing curvilineal track beam for monorail in mold room |
| KR20120120681A (en) * | 2011-04-25 | 2012-11-02 | 유니슨이테크 주식회사 | Method for field manufacturing curvilineal beam structure |
| CN104097253A (en) * | 2014-07-08 | 2014-10-15 | 北京交通大学 | Environment-friendly movable precast track beam formwork system in straddle type monorail transit |
| CN204109135U (en) * | 2014-07-08 | 2015-01-21 | 北京交通大学 | Cross-saddle single-track traffic environment protection movable formula pre-track beam forms system |
-
2016
- 2016-02-17 CN CN201610087858.5A patent/CN105643775A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201687203U (en) * | 2010-04-08 | 2010-12-29 | 中铁十一局集团桥梁有限公司 | U-shaped beam prefabricated form |
| KR20120120680A (en) * | 2011-04-25 | 2012-11-02 | 유니슨이테크 주식회사 | Apparatus for manufacturing curvilineal track beam for monorail in mold room |
| KR20120120681A (en) * | 2011-04-25 | 2012-11-02 | 유니슨이테크 주식회사 | Method for field manufacturing curvilineal beam structure |
| CN104097253A (en) * | 2014-07-08 | 2014-10-15 | 北京交通大学 | Environment-friendly movable precast track beam formwork system in straddle type monorail transit |
| CN204109135U (en) * | 2014-07-08 | 2015-01-21 | 北京交通大学 | Cross-saddle single-track traffic environment protection movable formula pre-track beam forms system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003392A (en) * | 2016-07-04 | 2016-10-12 | 北京交通大学 | Fixed-line-shaped track beam precasting formwork system for straddle type monorail transit |
| CN106089253A (en) * | 2016-08-17 | 2016-11-09 | 中国路桥工程有限责任公司 | A kind of all-hydraulic template system poured for culvert |
| CN108162161A (en) * | 2018-02-09 | 2018-06-15 | 北京交通大学 | A kind of high-precision two-orbit beam makes template system |
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