CN107524089B - Portable small box girder steel template capable of being quickly installed and detached and construction method - Google Patents
Portable small box girder steel template capable of being quickly installed and detached and construction method Download PDFInfo
- Publication number
- CN107524089B CN107524089B CN201710748319.6A CN201710748319A CN107524089B CN 107524089 B CN107524089 B CN 107524089B CN 201710748319 A CN201710748319 A CN 201710748319A CN 107524089 B CN107524089 B CN 107524089B
- Authority
- CN
- China
- Prior art keywords
- die
- box girder
- steel
- small box
- fixing bolt
- Prior art date
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 68
- 239000010959 steel Substances 0.000 title claims abstract description 68
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 24
- 241001669679 Eleotris Species 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000011150 reinforced concrete Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention relates to a lightweight rapid-installation and disassembly small box girder steel template and a construction method, comprising side templates, a bottom template and a core template, wherein the bottom of the side template is provided with limiting square steel, the bottom of the side template is connected with a limiting seat arranged on the bottom template to realize rapid installation, the bottom of the core template is fixed through screw steel, 2 bottom templates are arranged in the construction process, and after pouring construction is completed, the core template and the side templates can be removed once and installed on another bottom template to carry out continuous construction. Compared with the prior art, the invention has the advantages of simple construction and continuous construction, the die splicing is rapid, and the next small box girder can be directly hoisted to be manufactured after the small box girder is manufactured, so that the construction efficiency is improved.
Description
[ technical field ]
The invention relates to a portable rapid-installation and disassembly small box girder steel template and a construction method.
[ background Art ]
The bridge engineering middle beam is hollow, and flanges are arranged on two sides of the upper part of the middle beam, and the middle beam is similar to a box, so that the bridge is named. Single box, multiple boxes, etc.
The box girder of the reinforced concrete structure is divided into a prefabricated box girder and a cast-in-situ box girder. The box girder combined bridge girder erection machine prefabricated in the independent place can be erected after the lower engineering is completed, so that the engineering progress can be accelerated, and the construction period can be saved; cast-in-situ box girders are mostly used for large continuous bridges. The materials are commonly used at present, and the materials are mainly 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 besides longitudinal prestress, transverse prestress is arranged on some of the prestressed reinforced concrete box girders; 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 also has a part of reinforced concrete pavement layers.
The steel box girder, also called as a steel plate box girder, is a common structural form of a large-span bridge. Are commonly used on bridges with larger spans. The shape resembles a box and is called a steel box girder.
However, in the existing construction method of the small box girder, the splicing construction of the templates is complex, and in the construction process, the multi-end small box girder needs to be manufactured one by one in sequence, so that the time consumption is long.
[ summary of the invention ]
The invention aims to solve the problems that the small box girder construction is complex, the template installation is long, and the continuous construction is not facilitated in the prior art.
In order to achieve the above purpose, a portable rapid-mounting and dismounting small box girder steel template is provided, which comprises a side die, a bottom die and a core die,
the bottom of the side die is provided with limit square steel along the length direction of the die,
the two sides of the bottom die are provided with a limit seat body for fixing limit square steel along the length direction of the die, the upper surface of the limit seat body is provided with a sleeper block, the outer end part of the limit seat body is provided with a pin hole, a fixing bolt is inserted into the pin hole, the lower part of the fixing bolt is provided with an inserting piece matched with the pin hole, the inner side of the fixing bolt is provided with a clamping surface for clamping the limit square steel, the inserting piece of the fixing bolt is inserted into the pin hole, the clamping surface, the sleeper block and the side surface of the bottom die clamp the limit square steel at the bottom of the fixed side die so as to realize the installation of the side die and the bottom die,
the center of the bottom of the core mold is uniformly provided with a plurality of upper thread fixing holes along the length direction of the mold, the upper surface of the bottom mold is provided with lower thread fixing holes corresponding to the upper thread fixing holes along the length direction of the mold, and the corresponding upper thread fixing holes and the corresponding lower thread fixing holes are fixed through threaded steel or taper nuts so as to realize the installation of the core mold.
Above-mentioned portable quick installation and dismantlement formula small box girder steel form still has following optimization structure:
the side die is formed by connecting a left side die and a right side die through opposite pulling.
The side mold is formed by connecting a left side mold and a right side mold through opposite pulling.
The left side mold and the right side mold both comprise a molding surface and a fixed frame.
Reinforcing pieces are arranged around the threaded fixing holes of the bottom die.
An end form is also included.
The multi-section core mold is arranged along the length direction of the mold.
The lower part of the clamping surface is provided with a slot matched with the wall of the pin hole, and the hole wall is inserted into the slot while the inserting piece is inserted into the pin hole.
The invention also discloses a construction method of the small box girder, which adopts the portable rapid installation and disassembly type small box girder steel template with the structure to manufacture the small box girder and comprises the following steps:
step one, arranging two bottom dies on site,
step two, connecting the mandrel on one of the bottom dies through the deformed steel bars,
step three, the side molds at two sides are integrally arranged on the supporting legs at two sides of the bottom mold through C-shaped lifting hooks,
step four, placing the limit square steel of the side die on the sleeper block, inserting a fixing bolt, clamping the limit square steel at the bottom of the side die by the clamping surface of the fixing bolt, the sleeper block and the side surface of the bottom die to realize the installation of the side die and the bottom die,
fifthly, installing an end mould to pour the small box girder,
step six, after pouring and manufacturing the small box girder, the side dies on two sides are integrally disassembled and mounted on the supporting legs on two sides of the other bottom die through the C-shaped lifting hooks,
step seven, dismantling the core mould, connecting the core mould on the other bottom mould through the deformed steel bar,
and step eight, detaching the fixing bolt to loosen the clamping of the limit square steel, detaching the side die, placing the limit square steel of the side die on a sleeper block of the bottom die, inserting the fixing bolt, and clamping the clamping surface of the fixing bolt, the sleeper block and the side surface of the bottom die to clamp and fix the limit square steel at the bottom of the side die so as to realize the installation of the side die and the bottom die.
Compared with the prior art, the invention has the advantages of simple construction and continuous construction, the die splicing is rapid, and the next small box girder can be directly hoisted to be manufactured after the small box girder is manufactured, so that the construction efficiency is improved.
[ description of the drawings ]
FIG. 1 is an isometric view of a lightweight quick-install and disassemble small box girder steel form;
FIG. 2 is a schematic view of a spliced cross section of a lightweight quick-install and disassemble small box girder steel form;
FIG. 3 is a schematic view of a spliced section of a mandrel and a bottom die;
in the figure, a core mold 2, a side mold 3, a bottom mold 4, a limiting seat body 5, a limiting square steel 6, a pillow body 7, a fixing bolt 8, a supporting leg 9, finish rolling screw steel and a conical nut 10, and a counter pull rod.
Detailed description of the preferred embodiments
The present invention is further described below with reference to the examples and drawings, which are provided for illustration only and are not intended to limit the scope of the present invention.
The portable rapid-mounting and dismounting small box girder steel template in the embodiment has the following structure,
as shown in fig. 2, includes a side mold, a bottom mold and a core mold,
the side dies are formed by connecting left and right side dies by opposite pulling the pull rod, the left and right side dies each comprise a molding surface and a fixing frame, the fixing frame can be made of rigid materials such as square steel for supporting the molding surface, the structure is clear to the person skilled in the art, the opposite pulling pull rod can be arranged by opposite pulling after the pull rod connecting node is arranged on the left and right side faces, and the opposite fixing of the left and right side dies is realized by connecting the left and right side dies by opposite pulling, in the embodiment, unlike the prior art, the bottom of the side die is provided with limit square steel along the die length direction,
the two sides of the bottom die are provided with a limit seat body for fixing limit square steel along the length direction of the die, the upper surface of the limit seat body is provided with a sleeper block, the outer end part of the limit seat body is provided with a pin hole, a fixing bolt is inserted into the pin hole, the lower part of the fixing bolt is provided with an inserting sheet matched with the pin hole, the inner side of the fixing bolt is provided with a clamping surface for clamping the limit square steel, the inserting sheet of the fixing bolt is inserted into the pin hole, the lower part of the clamping surface is provided with an inserting slot matched with the hole wall of the pin hole, the hole wall is inserted into the inserting slot while the inserting sheet is inserted into the pin hole, the clamping surface, the sleeper block and the side face of the bottom die clamp the limit square steel at the bottom of the fixed side die so as to realize the installation of the side die and the bottom die,
as shown in fig. 3, a plurality of upper thread fixing holes are uniformly formed in the center of the bottom of the core mold along the longitudinal direction of the mold, lower thread fixing holes corresponding to the upper thread fixing holes are formed in the upper surface of the bottom mold along the longitudinal direction of the mold, the corresponding upper thread fixing holes and the corresponding lower thread fixing holes are fixed through finish rolling threaded steel and conical nuts, reinforcing pieces are arranged around the thread fixing holes of the bottom mold so as to realize the installation of the core mold, and the light rapid installation and disassembly type small box girder steel molding plate after the installation is shown in fig. 1.
Before pouring, end molds are arranged at the front end and the rear end of the lightweight rapid-mounting and dismounting small box girder steel template for end sealing,
the small box girder is manufactured by adopting the portable rapid installation and disassembly small box girder steel template with the structure, and part of steps adopt the prior art in the manufacturing process, the small box girder is not unfolded in the invention, and the prior steps comprise such steps as,
the invention only improves the structure and construction method of the box girder mould to realize the continuous manufacture of the small box girder, and comprises the following steps:
step one, arranging two bottom dies on site,
step two, connecting the mandrel on one of the bottom dies through the deformed steel bars,
step three, the side dies at two sides are integrally arranged on the supporting legs at two sides through C-shaped lifting hooks,
step four, placing the limit square steel of the side die on the sleeper block, inserting a fixing bolt, clamping the limit square steel at the bottom of the side die by the clamping surface of the fixing bolt, the sleeper block and the side surface of the bottom die to realize the installation of the side die and the bottom die,
fifthly, installing an end mould to pour the small box girder,
step six, after pouring and manufacturing the small box girder, the side dies on two sides are integrally disassembled and mounted on the other bottom die supporting leg through the C-shaped lifting hooks,
step seven, dismantling the core mould, and connecting the core mould on the other bottom mould through the deformed steel bars;
and eighth, detaching the fixing bolt to loosen the clamping of the limit square steel, detaching the side die, placing the limit square steel of the side die on a sleeper block of the bottom die, inserting the fixing bolt, and clamping the clamping surface of the fixing bolt, the sleeper block and the side surface of the bottom die to clamp and fix the limit square steel at the bottom of the side die so as to realize the installation of the side die and the bottom die.
After the die is removed, the steps of hole sealing, health preserving, roughening and the like are also needed to be carried out on the small box girder,
the construction steps can enable a group of side forms and the core mould to continuously manufacture the small box girder, and the construction quality can be guaranteed on the premise of saving cost.
Claims (8)
1. The utility model provides a lightweight quick installation and dismantlement formula small box girder steel form, includes side form, die block and mandrel, its characterized in that:
the bottom of the side die is provided with limit square steel along the length direction of the die,
the two sides of the bottom die are provided with a limit seat body for fixing limit square steel along the length direction of the die, the upper surface of the limit seat body is provided with a sleeper block, the outer end part of the limit seat body is provided with a pin hole, a fixing bolt is inserted into the pin hole, the lower part of the fixing bolt is provided with an inserting sheet matched with the pin hole, the inner side of the fixing bolt is provided with a clamping surface for clamping the limit square steel, the lower part of the clamping surface is provided with a slot matched with the wall of the pin hole, the inserting sheet is inserted into the slot while the inserting sheet is inserted into the pin hole, the inserting sheet of the fixing bolt is inserted into the pin hole, the clamping surface, the sleeper block and the side face of the bottom die clamp the limit square steel at the bottom of the fixed side die so as to realize the installation of the side die and the bottom die,
the center of the bottom of the core mold is uniformly provided with a plurality of upper thread fixing holes along the length direction of the mold, the upper surface of the bottom mold is provided with lower thread fixing holes corresponding to the upper thread fixing holes along the length direction of the mold, and the corresponding upper thread fixing holes and the corresponding lower thread fixing holes are fixed through threaded steel or taper nuts so as to realize the installation of the core mold.
2. The portable rapid mounting and dismounting small box girder steel form of claim 1, wherein the side forms are formed by connecting left side forms and right side forms through counter-pulling.
3. The portable rapid mounting and dismounting small box girder steel form according to claim 1 or 2, wherein a plurality of supporting legs are arranged on two sides of the side form along the length direction of the form for supporting and fixing.
4. The portable quick install and detach trabecula steel form of claim 2, wherein the left and right side forms each include a molding surface and a fixed frame.
5. The portable rapid mounting and dismounting small box girder steel template according to claim 1, wherein the reinforcing piece is arranged around the screw thread fixing hole of the bottom die.
6. The portable quick install and detach trabecula steel form of claim 1 further comprising an end form.
7. The portable quick install and detach trabecula steel form of claim 1 wherein the form length is configured with a multi-segment mandrel.
8. The construction method of the small box girder is characterized in that the small box girder is manufactured by adopting the lightweight rapid installation and disassembly small box girder steel template according to any one of claims 1 to 7, and comprises the following steps:
step one, arranging two bottom dies on site,
step two, connecting the mandrel on one of the bottom dies through the deformed steel bars,
step three, the side molds at two sides are integrally arranged on the supporting legs at two sides of the bottom mold through C-shaped lifting hooks,
step four, placing the limit square steel of the side die on the sleeper block, inserting a fixing bolt, clamping the limit square steel at the bottom of the side die by the clamping surface of the fixing bolt, the sleeper block and the side surface of the bottom die to realize the installation of the side die and the bottom die,
fifthly, installing an end mould to pour the small box girder,
step six, after pouring and manufacturing the small box girder, the side dies on two sides are integrally disassembled and mounted on the supporting legs on two sides of the other bottom die through the C-shaped lifting hooks,
step seven, dismantling the core mould, connecting the core mould on the other bottom mould through the deformed steel bar,
and step eight, detaching the fixing bolt to loosen the clamping of the limit square steel, detaching the side die, placing the limit square steel of the side die on a sleeper block of the bottom die, inserting the fixing bolt, and clamping the clamping surface of the fixing bolt, the sleeper block and the side surface of the bottom die to clamp and fix the limit square steel at the bottom of the side die so as to realize the installation of the side die and the bottom die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710748319.6A CN107524089B (en) | 2017-08-28 | 2017-08-28 | Portable small box girder steel template capable of being quickly installed and detached and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710748319.6A CN107524089B (en) | 2017-08-28 | 2017-08-28 | Portable small box girder steel template capable of being quickly installed and detached and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107524089A CN107524089A (en) | 2017-12-29 |
| CN107524089B true CN107524089B (en) | 2023-10-24 |
Family
ID=60682546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710748319.6A Active CN107524089B (en) | 2017-08-28 | 2017-08-28 | Portable small box girder steel template capable of being quickly installed and detached and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107524089B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482247B (en) * | 2020-11-21 | 2022-06-21 | 江苏永联精筑建设集团有限公司 | End template for cantilever beam hanging basket construction and cantilever beam hanging basket pouring construction method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11114935A (en) * | 1997-10-21 | 1999-04-27 | Hitachi Ltd | Production equipment of monorail track beam |
| CN105014786A (en) * | 2015-06-30 | 2015-11-04 | 中铁二十三局集团有限公司 | Manufacture method for maglev track beam |
| CN105014774A (en) * | 2015-08-05 | 2015-11-04 | 广东省水利水电第三工程局有限公司 | Formwork for prefabricated box girder |
| CN105345926A (en) * | 2015-09-25 | 2016-02-24 | 安徽水利开发股份有限公司 | Prefabricated construction method for prestressed concrete box girder |
| CN105507157A (en) * | 2015-12-22 | 2016-04-20 | 深圳市福田建安建设集团有限公司 | Construction method of variable curvature annular stiffening core cast-in-place concrete beam |
| CN205735441U (en) * | 2016-06-24 | 2016-11-30 | 平顶山平煤机煤矿机械装备有限公司 | A kind of bridge prefabrication box beam steel form with anti-levitating device |
| CN207130631U (en) * | 2017-08-28 | 2018-03-23 | 上海公路投资建设发展有限公司 | Lighting Fast Installation and detachable small box girder steel form |
-
2017
- 2017-08-28 CN CN201710748319.6A patent/CN107524089B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11114935A (en) * | 1997-10-21 | 1999-04-27 | Hitachi Ltd | Production equipment of monorail track beam |
| CN105014786A (en) * | 2015-06-30 | 2015-11-04 | 中铁二十三局集团有限公司 | Manufacture method for maglev track beam |
| CN105014774A (en) * | 2015-08-05 | 2015-11-04 | 广东省水利水电第三工程局有限公司 | Formwork for prefabricated box girder |
| CN105345926A (en) * | 2015-09-25 | 2016-02-24 | 安徽水利开发股份有限公司 | Prefabricated construction method for prestressed concrete box girder |
| CN105507157A (en) * | 2015-12-22 | 2016-04-20 | 深圳市福田建安建设集团有限公司 | Construction method of variable curvature annular stiffening core cast-in-place concrete beam |
| CN205735441U (en) * | 2016-06-24 | 2016-11-30 | 平顶山平煤机煤矿机械装备有限公司 | A kind of bridge prefabrication box beam steel form with anti-levitating device |
| CN207130631U (en) * | 2017-08-28 | 2018-03-23 | 上海公路投资建设发展有限公司 | Lighting Fast Installation and detachable small box girder steel form |
Non-Patent Citations (1)
| Title |
|---|
| 广深沿江高速小箱梁预制施工关键技术及改进措施;章煜;《建筑科技》;20140110(第257期);第95-96页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107524089A (en) | 2017-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103790265B (en) | A kind of prefabricated assembled steel tube concrete core pillar is put more energy into the making assembly method of shear wall | |
| CN109914244B (en) | Weak bracket system suitable for high-tower reinforced concrete combined beam steel structure installation and bottom and top plate concrete pouring and operation method thereof | |
| CN207044355U (en) | A kind of beam slab precast concrete formwork for placing | |
| CN213174446U (en) | Assembled UHPC superimposed sheet shear force wall prefabricated construction with mandrel | |
| CN107524089B (en) | Portable small box girder steel template capable of being quickly installed and detached and construction method | |
| CN112627034A (en) | Synchronous construction method for turning over mold of high pier of bridge | |
| CN115680116B (en) | Assembled frame beam column connection node and construction method thereof | |
| CN217079684U (en) | Split type form removal-free concrete hollow structure | |
| CN111305439A (en) | Laminated slab with disassembly-free die steel frame | |
| CN214995980U (en) | Template device for synchronous construction of double columns at expansion joint part of frame structure factory building | |
| CN206048468U (en) | A kind of horizontal piping lane mould | |
| CN110919825A (en) | Large die table die for plate type prefabricated part assembly line construction | |
| CN207130631U (en) | Lighting Fast Installation and detachable small box girder steel form | |
| CN211037270U (en) | Fixed knot of assembled concrete frame roof beam post-cast area instrument formula template constructs | |
| CN113957792A (en) | Method for synchronously constructing pier body and tie beam in high-pier turnover formwork construction | |
| CN203487674U (en) | Precast lattice girder | |
| CN111519900A (en) | Quick-release formwork supporting system for square hole in beam and construction method | |
| CN211967880U (en) | Large die table die for plate type prefabricated part assembly line construction | |
| CN218970616U (en) | Assembled steel bar truss template | |
| CN214737419U (en) | Quick-dismantling reinforcing system for inner die of small box girder for highway | |
| CN114856036B (en) | Recycled concrete ribbed membrane shell concrete shear wall | |
| CN220279954U (en) | Pretensioned hollow slab template | |
| CN116497980B (en) | Edge member, prefabricated pull-tab type connecting piece anti-seismic superposed wall and construction method | |
| CN217400011U (en) | Anchor decoration pendant is exempted from to tear open template wallboard structure earlier | |
| CN219486106U (en) | Frame construction precast beam pedestal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |