CN203487674U - Precast lattice girder - Google Patents
Precast lattice girder Download PDFInfo
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- CN203487674U CN203487674U CN201320540790.3U CN201320540790U CN203487674U CN 203487674 U CN203487674 U CN 203487674U CN 201320540790 U CN201320540790 U CN 201320540790U CN 203487674 U CN203487674 U CN 203487674U
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- lattice girder
- connecting reinforcement
- prefabricated lattice
- girder
- iron connecting
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Abstract
A precast lattice girder comprises a latticed girder body with a reinforced concrete structure. Cross girders and longitudinal girders are coordinately intersected to form the latticed girder body. Connecting bolt holes for connecting the girder body with adjacent precast lattice girders are formed in four sides of the girder body, vertical notches for pouring shrinkage-free cement mortar are formed in four corners of the girder body, and embedded connection reinforcing steel bars are arranged in the vertical notches. The precast lattice girder has the advantages of large scale and standardization and can greatly solve the problems of high construction difficulty and resource consumption, low production efficiency and unstable quality caused by a traditional cast-in-place lattice girder, an electronic plant is built with the precast lattice girder, the number of employees is decreased, consumption of energy resources is reduced, labor production efficiency is improved, and the precast lattice girder has quite remarkable social benefits.
Description
Technical field
The utility model relates to a kind of lattice girder being applied in electronic factory building.
Background technology
At present, the mode of construction of electronic factory building normally adopts the mode of on-the-spot cast-in-situ concrete to complete construction, for completing fast the construction of factory building, in work progress, conventionally need to drop into a large amount of manpower and materials, easily the construction of each electronics factory building will drop into the operating personnel of thousands of meters, the steel pipe frame material of tens thousand of tons and the template flitch of tens thousand of square meters, so will consume great social resources.And meanwhile, the cycle of founding the factory of electronics factory building is shorter, so can cause the low turnover of a large amount of wastings of resources, particularly wooden form to use, caused a large amount of lumber consumptions.Therefore along with the in-depth gradually of this phenomenon under builing industry rural migrant worker's in short supply and quality, adopt the mode of traditional cast-in-situ concrete to build electronic factory building, become very uneconomical, and quality is also difficult to obtain guarantee.
Industrialization of construction industry starts starting from the seventies in last century, large quantities of engineerings of application prefabricating technique at that time, have been built, but a large amount of rural migrant workers pour in city along with the later stage eighties, make to rely on professional technique workman's prefabricated industry to be subject to great impact, the industrialization of construction industry pattern that represents builing industry future thrust is lost gradually, and the development of prefabricating technique has also been absorbed in predicament decline gradually.
Recent years, needs along with expanding economy and builing industry industrial upgrading, be accompanied by equally the disappearance gradually that supports the cheap rural migrant worker of traditional architecture industry, the development of the industrialization of construction industry pattern of employing precast concrete fabricated construction pattern is by again becoming possibility, particularly along with the development of housing industrialization, precast concrete technology has started accumulation and development gradually, this advanced person's construction theory is introduced and had scale, the electronics factory building construction applications of standardization industrialization feature also will become a kind of inevitable, studying so a kind of novel factory normalization produces, the electronics factory building construction method with industrialization of construction industry feature of site assemblyization construction just becomes a kind of inevitable.
The production core space of electronic factory building, conventionally by cancellate beam (being latticed cast-in-place lattice girder), formed, because the adjacent lattice spacing of cancellate beam is very little, beam section is larger, this just makes cancellate girder construction adopt traditional cast-in-place mode by difficulty very, and will consume a large amount of manpower and materials when cast-in-place.How the lattice girder structure of producing core space is carried out to modular decomposition, carry out the production (utilizing the features such as the plant produced mould number of turnover is many, energy resource waste is few to complete the production of prefabricated lattice girder) of batch production, and then scene is assembled construction and (the lattice fine strain of millet of being decomposed into monolithic is installed, and adopt appropriate connected node mode to make the lattice girder of each monolithic be linked to be integral body), now become a urgent problem.
Utility model content
The purpose of this utility model is to provide a kind of prefabricated lattice girder, and the lattice girder speed of application of cast-in-place mode of production core space that solve electronic factory building is slow, serious waste of resources, economy is low and the unsettled technical problem of quality.
For achieving the above object, the utility model adopts following technical scheme: a kind of prefabricated lattice girder, what comprise reinforced concrete structure intersects by crossbeam and longeron coordination the latticed beam body forming, it is characterized in that: on four limits of beam body, be equipped with the connecting bolt hole that is connected use with adjacent prefabricated lattice girder, on four angles of beam body, be equipped with and build the vertical cut (V. cut) that non-shrinkage cement mortar is used, in vertical cut (V. cut), be provided with pre-buried connecting reinforcement.
Described pre-buried connecting reinforcement can and be buried in advance iron connecting reinforcement by pre-buried upper iron connecting reinforcement and form.
Along vertical direction, described vertical cut (V. cut), can be divided into two sections of the large breach in top and middle and lower part small gaps, described pre-buried upper iron connecting reinforcement is arranged in the large breach in top, and the described iron connecting reinforcement of burying is in advance arranged in the small gap of middle and lower part.
Described pre-buried upper iron connecting reinforcement can be by longitudinally pre-buried upper iron connecting reinforcement and horizontal pre-buried upper iron connecting reinforcement form.
The described iron connecting reinforcement of burying in advance can form by longitudinally burying in advance iron connecting reinforcement and laterally burying in advance iron connecting reinforcement.
Along vertical direction, described connecting bolt hole, can be arranged on the top of beam body.
On the upper surface of described beam body, can be embedded with prefabricated lattice fine strain of millet Heave Here.
Described prefabricated lattice fine strain of millet Heave Here can be embedded in the connected node place of crossbeam and the longeron of beam body.
Compared with prior art the utlity model has following characteristics and beneficial effect: the prefabricated lattice girder in the utility model has scale, standardized feature, is that a kind of cast-in-situ concrete lattice girder floor by the production core space of traditional electronic factory building is installed the prefabricated lattice girder that span is split as normal size.
Prefabricated lattice girder in the utility model utilizes factory to manufacture out fast, has produced by after the assembly connection of job site, becomes the assembly concrete lattice girder floor identical with cast-in-place concrete structure.
Prefabricated lattice girder in the utility model is produced by batch production, can significantly reduce the problem that difficulty of construction is large, production efficiency is low, quality is unstable, resource consumption is large that adopts traditional cast-in-place lattice girder and cause.
Adopted the construction of the electronics factory building of prefabricated lattice girder described in the utility model to take full advantage of that the less investment of plant produced prefabricated units, speed are fast, the measured advantage of matter, also utilized site assembly prefabricated units speed soon, manually less, the measured feature of matter, so significantly improved the speed of founding the factory, also utilize industrialized advantage simultaneously, reduced recruitment quantity, reduce energy consumption, improved labor productivity, there is the social benefit of highly significant.
The lattice girder structure that the utility model is produced core space by electronic factory building is carried out modular decomposition, each prefabricated lattice girder all just completes in plant produced in advance before construction, and then construction (the prefabricated lattice girder of the monolithic that is prefabricated in the factory is assembled at the scene that is transported to, then be transported to job site and carry out scene installation, and adopt appropriate connected node mode to make the prefabricated lattice girder of each piecemeal be linked to be lattice girder monoblock), so not only improved manufacture, the efficiency of assembling, and manpower and construction cost have been saved, solved traditional cast-in-place lattice girder personnel amount many, template and scaffold drop into huge problem.
Prefabricated lattice girder in the utility model forms by building the Mold Making that prefabricated lattice girder uses, build mould that prefabricated lattice girder uses and comprise that the bed die, the bolt that are placed on pedestal are connected to detachable core die on bed die and detachable side form and bolt and are connected to the removable top on detachable core die, by the mode of detachable core die, improved the mould number of turnover, the resource that has reduced plant produced drops into.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is the plan structure schematic diagram of prefabricated lattice girder embodiment mono-.
Fig. 2 is the elevational schematic view of Fig. 1.
Fig. 3 is the plan structure schematic diagram of prefabricated lattice girder embodiment bis-.
Fig. 4 is the elevational schematic view of Fig. 3.
Fig. 5 is the main TV structure schematic diagram of manufacturing the mould of prefabricated lattice girder embodiment mono-use.
Fig. 6 is the main TV structure schematic diagram of manufacturing the mould of prefabricated lattice girder embodiment dual-purpose.
Fig. 7 is that prefabricated lattice girder is taken the schematic top plan view being placed in prefabricated post.
Fig. 8 is the schematic top plan view at the connected node place of prefabricated lattice girder and prefabricated post.
Fig. 9 is the elevational schematic view at the connected node place of prefabricated lattice girder and prefabricated post.
Reference numeral: 1-connecting bolt hole, 2-breach, the large breach in 2.1-top, 2.2-middle and lower part small gap, 3-is pre-buried upper iron connecting reinforcement longitudinally, 4-is pre-buried upper iron connecting reinforcement laterally, 5-longitudinally buries iron connecting reinforcement in advance, 6-laterally buries iron connecting reinforcement in advance, the prefabricated lattice fine strain of millet of 7-Heave Here, 8-beam body, 8.1-crossbeam, 8.2-longeron, 9-prefabricated post, the pre-buried connecting reinforcement of 10-, 11-non-shrinkage cement mortar, 12-branch sleeve, 13-high-strength bolt, 14-pedestal, 15-bed die, 16-detachable core die, the detachable side form of 17-, 18-removable top.
The specific embodiment
Embodiment mono-is referring to shown in Fig. 1, Fig. 2, this prefabricated lattice girder, and what comprise reinforced concrete structure intersects by crossbeam 8.1 and longeron 8.2 coordinatioies the latticed beam body 8 forming.Prefabricated lattice fine strain of millet, according to Structural Design Requirement and technological requirement, is loose structure, and in the present embodiment, prefabricated lattice girder is the lattice girder in 6 holes, and the hole on prefabricated lattice girder is octagonal hole.
Referring to Fig. 1, Fig. 2, Fig. 7-9, on four limits of beam body 8, be equipped with the reserved hole that connects of connecting bolt hole 1(that is connected use with adjacent prefabricated lattice girder), adjacent prefabricated lattice fine strain of millet is stitched together by the high-strength bolt 13 being through in connecting bolt hole 1.In the present embodiment, along vertical direction, described connecting bolt hole 1, be arranged on the top of beam body.
Referring to Fig. 1, Fig. 2, Fig. 7-9, on four angles of beam body, be equipped with the vertical cut (V. cut) 2 of building non-shrinkage cement mortar 11 use, the object that this vertical cut (V. cut) 2 is set is in order to be connected with the top of prefabricated post 9, referring to Fig. 7-9, the top of described prefabricated post 9 is provided with pre-buried connecting reinforcement 10, the top in prefabricated post is set up at four angles of described prefabricated lattice fine strain of millet, in vertical cut (V. cut) 2 on four angles of prefabricated lattice fine strain of millet, be perfused with non-shrinkage cement mortar 11, described pre-buried connecting reinforcement 11 is built and is linked together with the non-shrinkage cement mortar 11 that is poured in vertical cut (V. cut) 2 places on prefabricated lattice fine strain of millet, be pre-buried connecting reinforcement for after prefabricated lattice girder, water node and be connected.
Referring to Fig. 1, Fig. 2, Fig. 7-9, in vertical cut (V. cut) 2, be provided with pre-buried connecting reinforcement.In the present embodiment, pre-buried connecting reinforcement is by pre-buried upper iron connecting reinforcement and bury in advance iron connecting reinforcement and form.Pre-buried upper iron connecting reinforcement is by longitudinally pre-buried upper iron connecting reinforcement 3 and horizontal pre-buried upper iron connecting reinforcement 4 form.Burying in advance iron connecting reinforcement forms by longitudinally burying in advance iron connecting reinforcement 5 and laterally burying in advance iron connecting reinforcement 6.
Longitudinally pre-buried upper iron connecting reinforcement 3 and laterally pre-buried upper iron connecting reinforcement 4 all by branch sleeve 12(straight screw sleeve) with adjacent prefabricated lattice fine strain of millet on longitudinal pre-buried upper iron connecting reinforcement 3 and laterally pre-buried upper iron connecting reinforcement 4 link together, longitudinally pre-buried upper iron connecting reinforcement 3, laterally pre-buried upper iron connecting reinforcement 4, branch sleeve 12, longitudinal bury in advance iron connecting reinforcement 5 and horizontal bury in advance iron connecting reinforcement 6 also with prefabricated lattice fine strain of millet on the non-shrinkage cement mortar 11 of indentation, there build and link together.The object that pre-buried connecting reinforcement is set is in order to strengthen being connected of being connected of prefabricated lattice girder and non-shrinkage cement mortar 11, prefabricated lattice girder and contiguous prefabricated lattice girder and being connected of prefabricated lattice girder and prefabricated post 9.
Along vertical direction, described vertical cut (V. cut) 2, be divided into 2.2 two sections of the large breach 2.1 in top and middle and lower part small gaps, described pre-buried upper iron connecting reinforcement is arranged in the large breach 2.1 in top, and the described iron connecting reinforcement of burying is in advance arranged in middle and lower part small gap 2.2.
Pre-buried upper iron connecting reinforcement is that the long filament arranging when plant produced is buckled, before prefabricated lattice girder lifting, by the same branch sleeve 12(reinforced steel bar straight thread coupling sleeve to angular direction) be screwed into, after having lifted, adopt torque spanner that branch sleeve is oppositely back-outed to long filament when buckleing, be screwed on the pre-buried upper iron connecting reinforcement of the prefabricated lattice girder being adjacent; After high-strength bolt 13, branch sleeve between adjacent prefabricated lattice girder connected, the gap between adjacent prefabricated lattice girder adopts non-shrinkage cement filled with mortar.Through above step, the prefabricated lattice girder of a plurality of matrix arrangements can be connected to become to the floor structure (becoming lattice girder deck) with globality, this floor structure can be used as Electronics Factory's room core space floor, becomes electronics factory building and produces core space.
On the upper surface of described beam body, be embedded with prefabricated lattice fine strain of millet Heave Here 7.Prefabricated lattice fine strain of millet Heave Here 7 is embedded in the connected node place of crossbeam and the longeron of beam body.
Embodiment bis-, referring to Fig. 3, Fig. 4, is with the difference of embodiment mono-, and the prefabricated lattice girder in embodiment bis-is the lattice girder in 24 holes.
The preparation method of described prefabricated lattice girder, its step is as follows: step 1, in factory, colligation lattice girder reinforcing cage (first colligation longitudinal network sheet, is then positioned over longitudinal network sheet on reinforcing bar binding frame, by importing the mode of reinforcing bar into, residue reinforcing bar binding is completed); Step 2, in factory, the good lattice girder reinforcing cage of colligation is hung in and built in the mould that prefabricated lattice girder uses, build mould that prefabricated lattice girder uses and comprise that the bed die 15, the bolt that are placed on pedestal 14 are connected to detachable core die 16 on bed die and detachable side form 17 and bolt and are connected to removable top 18(on detachable core die referring to Fig. 5, Fig. 6); Step 3, in factory, proofread and correct and to build the mould that prefabricated lattice girder is used; Step 4, in factory, build lattice girder concrete, and adopt the mode of whole maintenance to complete concrete curing; Step 5, in factory, form removal.Constantly repeat above-mentioned steps, can complete the production of whole prefabricated lattice girders.
In described step 5, the concrete steps of form removal are first detachable side form 17 to be removed, then unclamp detachable core die set bolt, prefabricated lattice girder is together lifted by crane and leaves pedestal together with detachable core die, then the mode that adopts power to knock is knocked detachable core die, and detachable core die gets final product self falling.
Claims (8)
1. a prefabricated lattice girder, what comprise reinforced concrete structure intersects by crossbeam (8.1) and longeron (8.2) coordination the latticed beam body (8) forming, it is characterized in that: on four limits of beam body (8), be equipped with the connecting bolt hole (1) that is connected use with adjacent prefabricated lattice girder, on four angles of beam body, be equipped with the vertical cut (V. cut) (2) of building non-shrinkage cement mortar (11) use, vertical cut (V. cut) is provided with pre-buried connecting reinforcement in (2).
2. a kind of prefabricated lattice girder according to claim 1, is characterized in that: described pre-buried connecting reinforcement is by pre-buried upper iron connecting reinforcement and bury in advance iron connecting reinforcement and form.
3. a kind of prefabricated lattice girder according to claim 2, it is characterized in that: along vertical direction, described vertical cut (V. cut) (2), be divided into (2.2) two sections of the large breach in top (2.1) and middle and lower part small gaps, described pre-buried upper iron connecting reinforcement is arranged in the large breach in top (2.1), and the described iron connecting reinforcement of burying is in advance arranged in middle and lower part small gap (2.2).
4. a kind of prefabricated lattice girder according to claim 2, is characterized in that: described pre-buried upper iron connecting reinforcement is by longitudinally pre-buried upper iron connecting reinforcement (3) and horizontal pre-buried upper iron connecting reinforcement (4) form.
5. a kind of prefabricated lattice girder according to claim 2, is characterized in that: the described iron connecting reinforcement of burying in advance forms by longitudinally burying in advance iron connecting reinforcement (5) and laterally burying in advance iron connecting reinforcement (6).
6. a kind of prefabricated lattice girder according to claim 1, is characterized in that: the top that is arranged on beam body along vertical direction, described connecting bolt hole (1).
7. a kind of prefabricated lattice girder according to claim 1, is characterized in that: on the upper surface of described beam body, be embedded with prefabricated lattice fine strain of millet Heave Here (7).
8. a kind of prefabricated lattice girder according to claim 7, is characterized in that: described prefabricated lattice fine strain of millet Heave Here (7) is embedded in the connected node place of crossbeam and the longeron of beam body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320540790.3U CN203487674U (en) | 2013-09-02 | 2013-09-02 | Precast lattice girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320540790.3U CN203487674U (en) | 2013-09-02 | 2013-09-02 | Precast lattice girder |
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| Publication Number | Publication Date |
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| CN203487674U true CN203487674U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320540790.3U Expired - Fee Related CN203487674U (en) | 2013-09-02 | 2013-09-02 | Precast lattice girder |
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| CN (1) | CN203487674U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452217A (en) * | 2013-09-02 | 2013-12-18 | 中建一局集团建设发展有限公司 | Precast lattice beam and manufacturing method thereof |
| CN106351373A (en) * | 2016-10-10 | 2017-01-25 | 徐州沃森新型建材科技发展有限公司 | Lattice type prefabricated heat insulation and sound insulation floor |
| CN116988587A (en) * | 2023-06-16 | 2023-11-03 | 中国电子工程设计院有限公司 | Building connection structure based on horizontal component and vertical component |
-
2013
- 2013-09-02 CN CN201320540790.3U patent/CN203487674U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452217A (en) * | 2013-09-02 | 2013-12-18 | 中建一局集团建设发展有限公司 | Precast lattice beam and manufacturing method thereof |
| CN103452217B (en) * | 2013-09-02 | 2015-08-05 | 中建一局集团建设发展有限公司 | A kind of precast lattice beam and preparation method thereof |
| CN106351373A (en) * | 2016-10-10 | 2017-01-25 | 徐州沃森新型建材科技发展有限公司 | Lattice type prefabricated heat insulation and sound insulation floor |
| CN116988587A (en) * | 2023-06-16 | 2023-11-03 | 中国电子工程设计院有限公司 | Building connection structure based on horizontal component and vertical component |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Yu Inventor after: Qi Zhiyu Inventor after: Ma Tao Inventor after: Hou Bencai Inventor after: Wei Jian Inventor after: Cao Zhiyu Inventor after: Liu Yingqi Inventor after: Li Hao Inventor after: Wang Dongfeng Inventor after: Guo Ning Inventor after: Yin Shuo Inventor after: Wang Hongwei Inventor after: Liu Yu Inventor after: Li Shuai Inventor after: Zhou Guoliang Inventor before: Song Yu Inventor before: Qi Zhiyu Inventor before: Ma Tao Inventor before: Hou Bencai Inventor before: Wei Jian Inventor before: Cao Zhiyu Inventor before: Li Hao Inventor before: Wang Dongfeng Inventor before: Guo Ning Inventor before: Yin Shuo Inventor before: Wang Hongwei Inventor before: Liu Yu Inventor before: Li Shuai Inventor before: Zhou Guoliang |
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| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160804 Address after: 100102 Beijing City, Chaoyang District Road No. 17 building, Wanghua Patentee after: CHINA CONSTRUCTION FIRST DIVISION GROUP CONSTRUCTION & DEVELOPMENT Co.,Ltd. Patentee after: Samsung construction (Shanghai) Co.,Ltd. Address before: 100102 Beijing City, Chaoyang District Road No. 17 building, Wanghua Patentee before: CHINA CONSTRUCTION FIRST DIVISION GROUP CONSTRUCTION & DEVELOPMENT Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 |
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| CF01 | Termination of patent right due to non-payment of annual fee |