CN111469253A - Assembled multifunctional steel structure box girder pedestal - Google Patents
Assembled multifunctional steel structure box girder pedestal Download PDFInfo
- Publication number
- CN111469253A CN111469253A CN202010298920.1A CN202010298920A CN111469253A CN 111469253 A CN111469253 A CN 111469253A CN 202010298920 A CN202010298920 A CN 202010298920A CN 111469253 A CN111469253 A CN 111469253A
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- China
- Prior art keywords
- steel
- box girder
- pedestal
- roof beam
- middle section
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 93
- 239000010959 steel Substances 0.000 title claims abstract description 93
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 238000010276 construction Methods 0.000 claims abstract description 21
- 239000004567 concrete Substances 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 8
- 239000011150 reinforced concrete Substances 0.000 abstract description 7
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B28B7/02—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article
-
- 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
- B28B7/0002—Auxiliary parts or elements of the mould
Abstract
The invention discloses an assembled multifunctional steel structure box girder pedestal, which comprises an end box girder pedestal structure, a standard section box girder pedestal structure and a middle section box girder pedestal structure, and is characterized in that: the end box girder pedestal structure, the standard section box girder pedestal structure and the middle section box girder pedestal structure are connected at the same horizontal height, the middle section box girder pedestal structure is arranged in the middle part, and the standard section box girder pedestal structure is arranged at the outer side of the middle section box girder pedestal structure; by adopting the unit combined type light steel structure pedestal as the small box girder prefabricated pedestal, the light steel structure frame and the panel can be assembled and disassembled in a modularization mode through the unit design, so that the light steel structure frame and the panel become a tool table die for turnover use; the unrecyclable reinforced concrete masonry base is replaced by a steel structure, so that the construction cost can be effectively saved, and the environmental pollution is reduced; the method has the advantages of few construction procedures, short construction period, easy dismantling and the like; the leveling steel box is shared, and the sliding bottom die adjusting block steel box is arranged.
Description
Technical Field
The invention relates to the technical field related to box girder pedestals, in particular to an assembled multifunctional steel structure box girder pedestal.
Background
The box girder of the reinforced concrete structure is divided into a prefabricated box girder and a cast-in-place box girder. The box girder prefabricated in the independent site can be erected after the lower project is finished by combining the bridge girder erection machine, so that the project progress can be accelerated, and the construction period can be saved; cast-in-place box girders are mostly used for large continuous bridges. The common materials are divided into two types, namely a prestressed reinforced concrete box girder and a steel box girder. The prestressed reinforced concrete box girder is constructed on site, and transverse prestress is also arranged in some cases besides longitudinal prestress; the steel box girder is generally processed in a factory and then transported to a site for installation, and has an all-steel structure and a partially reinforced concrete pavement layer.
However, most of the traditional prefabricated small box girders adopt concrete bases, so that the construction cost is high, a large amount of construction waste is generated, and the low-carbon construction concept is not met; the traditional concrete platform is difficult to adjust different beam lengths, is labor-consuming, inflexible and low in manual adjustment precision.
Disclosure of Invention
The invention aims to provide an assembled multifunctional steel structure box girder pedestal, which aims to solve the problems that the traditional prefabricated small box girders in the background technology mostly adopt concrete bases, have high construction cost, generate a large amount of construction waste and do not accord with the low-carbon construction idea; the traditional concrete platform has the problems of large difficulty in adjusting different beam lengths, labor cost, inflexibility and low manual adjusting precision.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an assembled multi-functional steel construction box girder pedestal, includes tip box girder pedestal structure, standard section box girder pedestal structure and middle section box girder pedestal structure, its characterized in that: tip case roof beam pedestal structure, standard section case roof beam pedestal structure and middle section case roof beam pedestal structural connection are at same level, middle section case roof beam pedestal structure sets up at the middle part, standard section case roof beam pedestal structure sets up the outside at middle section case roof beam pedestal structure, tip case roof beam pedestal structure sets up the outside at middle section case roof beam pedestal structure.
Preferably, tip case roof beam pedestal structure includes beam-ends die block, die block regulating block steel case and tip roof beam wedge, the beam-ends die block sets up in the bottom, the top of beam-ends die block is provided with die block regulating block steel case, the tip roof beam wedge sets up the top at die block regulating block steel case, the bottom of beam-ends die block is provided with the rubber tie plate that prevents ftractureing.
Preferably, the top of tip roof beam wedge is provided with concrete leveling base and regulation section steel sheet, concrete leveling base can be fixed on tip roof beam wedge through regulation section steel sheet, regulation section steel sheet passes through bolt fixed connection with tip roof beam wedge.
Preferably, standard section box girder pedestal structure includes that standard festival roof beam wedge, standard festival die block and standard festival support the I-steel, the standard festival die block sets up in the bottom, the standard festival supports the I-steel setting and is in the top of standard festival die block, the standard festival roof beam wedge sets up the top that supports the I-steel at the standard festival, the bottom of standard festival die block is provided with prevents the rubber tie plate that ftractures.
Preferably, middle section case roof beam pedestal structure supports the I-steel including middle section roof beam wedge, middle section channel-section steel and middle section, the I-steel setting is supported in the middle section, the middle section channel-section steel sets up on the I-steel is supported in the middle section, the middle section roof beam wedge sets up the top at the middle section channel-section steel.
The invention provides an assembled multifunctional steel structure box girder pedestal, which has the following beneficial effects: according to the invention, the unit combined type light steel structure pedestal is used as the small box girder prefabricated pedestal, and through the unit design, the light steel structure frame and the panel can be assembled and disassembled in a modularization manner, so that the light steel structure frame and the panel become a tool table die for turnover use; the unrecyclable reinforced concrete masonry base is replaced by a steel structure, so that the construction cost can be effectively saved, and the environmental pollution is reduced; the method has the advantages of few construction procedures, short construction period, easy dismantling and the like; by sharing the leveling steel box and arranging the sliding bottom die adjusting block steel box, the 20-40 m beam wedge-shaped block can slide back and forth on the leveling steel box without adjusting the pedestal, and the problems that the pedestal cannot be constructed due to different manual dismantling time of the original concrete pedestal and different lengths of the precast beam are solved; by arranging the adjustable wedge-shaped steel structure bottom die and adjusting the height by using the adjustable bolt, the construction is more convenient and accurate; the slidable bottom die steel box is integrally placed at the end head, and the elastic base plate can be placed below the slidable bottom die steel box, so that the situation that the end head is cracked due to overlarge local stress of the end head of the box girder in the tensioning process of the precast beam can be prevented; the unit combined steel structure pedestal has large bottom operation space, and is more convenient for the installation and maintenance work of a maintenance system; the unit combination pedestal is adopted, the bottom die adjusting block and the standard knot bottom die are added, and the unit combination pedestal is connected through bolts and is convenient to disassemble and assemble.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partial view of the present invention;
FIG. 3 is a schematic view of the structure at B of the present invention;
FIG. 4 is a schematic view of the structure at position A of the present invention;
FIG. 5 is a front view of the present invention at A;
fig. 6 is a side view at a of the present invention.
In the figure: 1. a beam-end bottom die; 2. a bottom die adjusting block steel box; 3. an end beam wedge block; 31. a concrete leveling base; 32. adjusting a section steel plate; 4. a standard beam-joint wedge block; 5. a standard knot bottom die; 6. the standard joint supports the I-steel; 7. a middle section beam wedge block; 8. middle section channel steel; 9. supporting the I-shaped steel at the middle section; 10. and hardening the concrete terrace.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 6, the present invention provides a technical solution: the utility model provides an assembled multi-functional steel construction box girder pedestal, including tip box girder pedestal structure, standard section box girder pedestal structure and middle section box girder pedestal structure, tip box girder pedestal structure, standard section box girder pedestal structure and middle section box girder pedestal structural connection are at same level, middle section box girder pedestal structure sets up at the middle part, standard section box girder pedestal structure sets up in the outside of middle section box girder pedestal structure, tip box girder pedestal structure sets up in the outside of middle section box girder pedestal structure.
In this embodiment, preferably, the end box girder pedestal structure includes beam-ends bottom die 1, bottom die regulating block steel box 2 and end beam wedge 3, and beam-ends bottom die 1 sets up in the bottom, and the top of beam-ends bottom die 1 is provided with bottom die regulating block steel box 2, and end beam wedge 3 sets up in the top of bottom die regulating block steel box 2, and the bottom of beam-ends bottom die 1 is provided with prevents the rubber tie plate that ftractures.
In this embodiment, preferably, a concrete leveling base 31 and an adjusting section steel plate 32 are arranged above the end beam wedge block 3, the concrete leveling base 31 can be fixed on the end beam wedge block 3 through the adjusting section steel plate 32, and the adjusting section steel plate 32 is fixedly connected with the end beam wedge block 3 through bolts.
In this embodiment, preferably, the standard section box girder pedestal structure includes a standard section girder wedge block 4, a standard section bottom mold 5 and a standard section support i-steel 6, the standard section bottom mold 5 is disposed at the bottom, the standard section support i-steel 6 is disposed above the standard section bottom mold 5, the standard section girder wedge block 4 is disposed at the top of the standard section support i-steel 6, and a cracking-preventing rubber base plate is disposed at the bottom of the standard section bottom mold 5.
In this embodiment, preferably, the middle section box girder pedestal structure includes a middle section girder wedge 7, a middle section channel steel 8 and a middle section supporting i-steel 9, the middle section supporting i-steel 9 is disposed at the bottom, the middle section channel steel 8 is disposed on the middle section supporting i-steel 9, and the middle section girder wedge 7 is disposed at the top of the middle section channel steel 8.
The invention adopts a unit combined type light steel structure pedestal as a small box girder prefabricated base, and a light steel structure frame and a panel can be assembled and disassembled in a modularization mode through a unitized design so as to be used as a tool platform die for turnover; the unrecyclable reinforced concrete masonry base is replaced by a steel structure, so that the construction cost can be effectively saved, and the environmental pollution is reduced; the method has the advantages of few construction procedures, short construction period, easy dismantling and the like; by sharing the leveling steel box and arranging the sliding bottom die adjusting block steel box, the 20-40 m beam wedge-shaped block combined structure can slide back and forth on the leveling steel box without adjusting a pedestal, and the problems that the pedestal is manually dismantled by the original concrete pedestal and the precast beam cannot be constructed due to different lengths are solved; by arranging the adjustable wedge-shaped steel structure bottom die and adjusting the height by using the adjustable bolt, the construction is more convenient and accurate; the slidable bottom die steel box is integrally placed at the end head, and the elastic base plate can be placed below the slidable bottom die steel box, so that the situation that the end head is cracked due to overlarge local stress of the end head of the box girder in the tensioning process of the precast beam can be prevented; the unit combined steel structure pedestal has large bottom operation space, and is more convenient for the installation and maintenance work of a maintenance system; the unit combination pedestal is adopted, the bottom die adjusting block and the standard knot bottom die are added, and the unit combination pedestal is connected through bolts and is convenient to disassemble and assemble.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an assembled multi-functional steel construction box girder pedestal, includes tip box girder pedestal structure, standard section box girder pedestal structure and middle section box girder pedestal structure, its characterized in that: tip case roof beam pedestal structure, standard section case roof beam pedestal structure and middle section case roof beam pedestal structural connection are at same level, middle section case roof beam pedestal structure sets up at the middle part, standard section case roof beam pedestal structure sets up the outside at middle section case roof beam pedestal structure, tip case roof beam pedestal structure sets up the outside at middle section case roof beam pedestal structure.
2. The assembly type multifunctional steel structure box girder pedestal of claim 1, wherein: tip case roof beam pedestal structure includes beam-ends die block (1), die block regulating block steel case (2) and tip roof beam wedge (3), beam-ends die block (1) sets up in the bottom, the top of beam-ends die block (1) is provided with die block regulating block steel case (2), tip roof beam wedge (3) set up the top at die block regulating block steel case (2), the bottom of beam-ends die block (1) is provided with prevents the rubber tie plate that ftractures.
3. The assembled multifunctional steel structure box girder pedestal of claim 2, wherein: the top of tip roof beam wedge (3) is provided with concrete leveling base (31) and regulation section steel sheet (32), concrete leveling base (31) can be fixed on tip roof beam wedge (3) through adjusting section steel sheet (32), adjust section steel sheet (32) and pass through bolt fixed connection with tip roof beam wedge (3).
4. The assembly type multifunctional steel structure box girder pedestal of claim 1, wherein: standard section box girder pedestal structure includes that standard festival roof beam wedge (4), standard festival die block (5) and standard festival support I-steel (6), standard festival die block (5) set up in the bottom, standard festival support I-steel (6) set up the top of standard festival die block (5), standard festival roof beam wedge (4) set up the top at standard festival support I-steel (6), the bottom of standard festival die block (5) is provided with prevents the rubber tie plate that ftractures.
5. The assembly type multifunctional steel structure box girder pedestal of claim 1, wherein: middle section case roof beam pedestal structure supports I-steel (9) including middle section roof beam wedge (7), middle section channel-section steel (8) and middle section, the middle section supports I-steel (9) and sets up in the bottom, middle section channel-section steel (8) set up on middle section supports I-steel (9), middle section roof beam wedge (7) set up the top at middle section channel-section steel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010298920.1A CN111469253A (en) | 2020-04-09 | 2020-04-09 | Assembled multifunctional steel structure box girder pedestal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010298920.1A CN111469253A (en) | 2020-04-09 | 2020-04-09 | Assembled multifunctional steel structure box girder pedestal |
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| Publication Number | Publication Date |
|---|---|
| CN111469253A true CN111469253A (en) | 2020-07-31 |
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| CN202010298920.1A Pending CN111469253A (en) | 2020-04-09 | 2020-04-09 | Assembled multifunctional steel structure box girder pedestal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114953168A (en) * | 2022-06-14 | 2022-08-30 | 保利长大工程有限公司 | Construction method for solving crack generated by small box girder end tensioning prestress |
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| US20090308019A1 (en) * | 2008-06-13 | 2009-12-17 | Tindall Corporation | Method and apparatus for fabrication of structures used in construction of tower base supports |
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| CN205116029U (en) * | 2015-10-21 | 2016-03-30 | 中交第一公路工程局有限公司 | Pre -buried steel sheet adjusting device of breast |
| CN107336346A (en) * | 2017-07-21 | 2017-11-10 | 中铁十局集团第三工程有限公司 | A kind of beam making bench |
| CN206937558U (en) * | 2017-05-29 | 2018-01-30 | 中铁十四局集团第四工程有限公司 | Small box girder steel pedestal |
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| CN108527637A (en) * | 2018-05-21 | 2018-09-14 | 五冶集团上海有限公司 | A kind of supertronic device and method of Prefabricated bar bottom pre-embedded steel slab |
| CN109129849A (en) * | 2018-10-26 | 2019-01-04 | 中建局集团第二建筑有限公司 | A kind of precast beam wedge block and pre-embedded bolt installation mold and its construction method |
| CN209812728U (en) * | 2019-04-08 | 2019-12-20 | 中国建筑第七工程局有限公司 | Beam bottom embedded steel plate angle adjusting device |
-
2020
- 2020-04-09 CN CN202010298920.1A patent/CN111469253A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090308019A1 (en) * | 2008-06-13 | 2009-12-17 | Tindall Corporation | Method and apparatus for fabrication of structures used in construction of tower base supports |
| CN102864744A (en) * | 2012-08-31 | 2013-01-09 | 中交第二航务工程局有限公司 | Precast concrete construction element transporting system and method |
| CN204431472U (en) * | 2014-12-18 | 2015-07-01 | 中交路桥建设有限公司 | Make precast beam pedestal |
| CN205116029U (en) * | 2015-10-21 | 2016-03-30 | 中交第一公路工程局有限公司 | Pre -buried steel sheet adjusting device of breast |
| CN206937558U (en) * | 2017-05-29 | 2018-01-30 | 中铁十四局集团第四工程有限公司 | Small box girder steel pedestal |
| CN107336346A (en) * | 2017-07-21 | 2017-11-10 | 中铁十局集团第三工程有限公司 | A kind of beam making bench |
| CN207227968U (en) * | 2017-08-30 | 2018-04-13 | 中交一公局海威工程建设有限公司 | T beam beams bottom steel plate supertronic device |
| CN108527637A (en) * | 2018-05-21 | 2018-09-14 | 五冶集团上海有限公司 | A kind of supertronic device and method of Prefabricated bar bottom pre-embedded steel slab |
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| CN209812728U (en) * | 2019-04-08 | 2019-12-20 | 中国建筑第七工程局有限公司 | Beam bottom embedded steel plate angle adjusting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114953168A (en) * | 2022-06-14 | 2022-08-30 | 保利长大工程有限公司 | Construction method for solving crack generated by small box girder end tensioning prestress |
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Application publication date: 20200731 |