CN205604088U - But bent cap quick adjustment support - Google Patents
But bent cap quick adjustment support Download PDFInfo
- Publication number
- CN205604088U CN205604088U CN201620424867.4U CN201620424867U CN205604088U CN 205604088 U CN205604088 U CN 205604088U CN 201620424867 U CN201620424867 U CN 201620424867U CN 205604088 U CN205604088 U CN 205604088U
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- Prior art keywords
- bent cap
- crossbeam
- longeron
- support
- utility
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Abstract
The utility model discloses a but bent cap quick adjustment support, it is including setting up the staple bolt on circular pier stud, and the staple bolt bracket of staple bolt both sides is provided with vertical mechanical jack respectively, and the top of every mechanical jack all is provided with the crossbeam, installs a plurality of longerons on the crossbeam, a plurality of longerons along the length direction interval arrangement of crossbeam, and every longeron all transversely erects between two crossbeams, installs the die block board on the longeron, pours on the die block board and is provided with the bent cap. The utility model has the advantages of the regulation is to designing the position about the machinery jack pair support die block plate height cheng ke freedom, and just mechanical jack can not return the gliding of contracting, and it is more convenient swift to compare traditional wedge striking, has shortened process duration, has improved the stability and the security of bent cap support.
Description
Technical field
This utility model belongs to bridge substructure cylinder pier stud Coping Construction technical field, is specifically related to a kind of bent cap and can quickly regulate support.
Background technology
Along with the development of construction project, cylindrical pier stud bent cap version, it is used widely in Bridges in Our Country is constructed.Rack form according to current bent cap has rod method, tubular steel post method, bowl to buckle the methods such as Support Method, and this kind of construction method has certain limitation, and the step lasts time is long, produces cost big.
Utility model content
This utility model is in order to solve weak point of the prior art, a kind of bent cap is provided can quickly to regulate support, support bed die absolute altitude can be adjusted to design attitude within the specific limits, have that motility is strong, speed advantage fast and easily, it is more easy to ensure the absolute altitude accuracy of bent cap structure, reduce manual labor's intensity simultaneously, simplify working procedure, improve work efficiency high, accelerate construction speed, guarantee the entity quality of works, and safer than traditional construction can carry out support removing.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that a kind of bent cap can quickly regulate support, it includes the anchor ear being arranged on circular-sectioned pier, the anchor ear bracket of anchor ear both sides is respectively arranged with vertical mechanic jacks, the top of each mechanic jacks is provided with crossbeam, multiple longeron is installed on crossbeam, multiple longerons are spaced layout along the length direction of crossbeam, and each equal transverse strands of longeron is located between two crossbeams, end template is installed on longeron, end template pours and is provided with bent cap.
Between end template and the longeron at described longeron two ends, A-frame is set.
Multiple tracks pull bar it is provided with between said two crossbeam.
The beneficial effects of the utility model are:
This utility model is applicable to various cylindrical pier stud bent cap version, with I-steel, anchor ear as support force, mechanic jacks be lower supporter drop adjusting means, support bed die absolute altitude can be adjusted to design attitude within the specific limits, have that motility is strong, speed is efficient and convenient, it is more easy to ensure the absolute altitude accuracy of bent cap structure, manual labor's intensity can be reduced simultaneously, simplify working procedure, improve work efficiency high, accelerating construction progress, it is ensured that the entity quality of works.During support removing, mechanic jacks drops convenient, it is possible to safer than traditional construction carry out support removing.Mechanic jacks of the present utility model to bracket bottom template elevation can free up-down adjustment to design attitude, and mechanic jacks will not bounce back downslide, compare traditional wedge striking more convenient fast, shorten the step lasts time, improve stability and the safety of bent cap support.
Accompanying drawing explanation
Fig. 1 is the sectional drawing that this utility model bent cap can quickly regulate support；
Fig. 2 is the profile that this utility model bent cap can quickly regulate support.
Detailed description of the invention
As shown in Figure 1 to Figure 2, a kind of bent cap of the present utility model can quickly regulate the construction method of support, and this construction method sequentially includes the following steps: successively
(1) anchor ear is installed: it is to calculate anchor ear Installation Elevation in circular-sectioned pier 6 press cover deck-molding journey that anchor ear is installed, and installs the anchor ear 5 through Force Calculation design after level gauge is measured on appointment elevation.White geotextiles is installed, to strengthen anchor ear 5 and pier stud 6 frictional force and protection pier stud outward appearance between anchor ear 5 and pier stud 6.Anchor ear connecting bolt uses high-strength bolt, and bolt uses torque spanner checking after tightening, and bolt checks the situation of bolt silk in time after using a period of time, the situation such as running, damage of discovery changes bolt in time.
(2) mechanic jacks is installed: mechanic jacks 4 is arranged on anchor ear bracket, four altogether, three 1cm height limit steel bars of welding processing on anchor ear bracket, in making just to be arranged on bottom mechanic jacks 4, plays the effect preventing mechanic jacks 4 from moving.
(3) crossbeam is installed: installs I45c I-steel crossbeam 3 at mechanic jacks 4 top, rolls for anti-crossbeam 3, arrange 5 road steel bar rods between crossbeam 3.The mechanic jacks 4 elevation of top surface regulation of same pier stud both sides is consistent.
(4) longeron is installed: install I16 I-shaped steel longitudinal beam 2, longeron 2 spacing 50cm on I45c I-steel crossbeam 6.
(5) bed die is installed: the end template 1(two ends end template 1 installing bent cap on I16 I-shaped steel longitudinal beam 2 carries A-frame 7), after end template 1 installation, carry out brushing template paint of polishing, and end template elevation is carried out repetition measurement, if now end template has error typically within 3cm, end template elevation can be made accurately to install to design altitude by up-down adjustment mechanic jacks 4.When support uses first, use sand pocket that support is carried out precompressed after bed die installation, verify Force Calculation on the spot, check whether support deforms.
(6) reinforcing bar binding and installation: reinforcing bar is processed in machining shed, colligation on pedestal.The cross point of reinforcing bar is firm with iron wire colligation, and main muscle joint uses two-sided overlap welding.The bent cap reinforcement cage that colligation completes is processed inside reinforcement yard; transported to job site by gun carriage; the design attitude to end template is installed in the lifting of 25T loop wheel machine; and the Concrete seat pad that pad colligation is identical with bent cap concrete label on the downside of bottom layer of the reinforcing steel; Concrete seat pad is quincunx interlaced arrangement; and by water-soaked before colligation, to ensure that cover to reinforcement meets design requirement.
(7) side form install: side form install, be bent cap reinforcing bar binding complete the most qualified after, carry out side form construction.Side form uses punching block of shaping to be designed and produced by specialty template factory, rust cleaning of must polishing before installation, uniform brushing releasing agent after polishing is clean.Steel form scene is spliced, and hand fit's crane hangs on bent cap and installs, and longitudinal and transverse axis and design physical dimension according to bent cap carry out formwork erection.Seam between side form and side form, side form and bed die is wanted closely, connecting bolt design M22 between template, and double nut is fixed, cushioning double-sided tape mortar leakage prevention.Side form lacing wire uses 18mm screw-thread steel, long 2.8m.Pull bar is arranged double, and end row's draw rod positions is to pass below end template, and upper strata pull bar is arranged in template end face, pull bar horizontal spacing 80cm, and drag link end head gasket double nut is tightened, and inside sets the 10*10cm lumps of wood and supports.Faulting of slab ends is within 2mm, it is ensured that casting concrete flatness.Side form installs the front outside colligation Concrete seat pad in bent cap both sides steel bar layer, and Concrete seat pad is quincunx interlaced arrangement, and arrangement pitch is 50cm～70cm.Ensure to water protective layer thickness.Side form and the routine techniques ability being installed as those skilled in the art holding mould.
(8) concreting: before concreting to the reinforcing size of template and firmly etc. situation go through, qualified after can carry out concreting.Concrete uses tank car transport, and loop wheel machine coordinates the 1 big hopper of side to pour, makes concrete directly be fed into mould.The drop height degree that freely inclines poured must not exceed 2m, pours front concrete delivery truck action of forced stirring 2 minutes, sprinkles water moistening to template and stigma.When pouring, concrete answers horizontal slice, oblique segmentation to pour, concrete distributing is poured to other end propelling by bent cap one end, reversely poured to pouring part direction by end when pouring from capping beam template other end 1m, to and answer and pour while vibrate, casting concrete lift height is about 30 cm, prevents the most oblique faying surface.Vibrating of concrete uses the poker vibrator of a diameter of 50mm, and moving interval must not exceed 1.5 times of acting radial of vibrator；With the distance that side form should keep 5-10cm；Insert lower-layer concrete 5-10cm；Vibrating spear is proposed after vibration compacting slowly；Vibrating spear collision slab, reinforcing bar and other built-in fittings should be avoided, cause template deformation, built-in fitting displacement etc..When concrete surface stops sinking, bubble of no longer emerging, surface shows concrete vibration compacting when being smooth, bleeding phenomenon.Concreting is the routine techniques ability of those skilled in the art.
During casting concrete, if special messenger checks the firm situation of support, template, reinforcing bar and built-in fitting, when be found to have loosening, deform, shift time, should process in time.
After concreting, concrete surface should be repaired in time, receive slurry floating, carry out quadric-plastering after 0.5 hour.When concrete strength reaches 2.5mPa, use Special stabber to carrying out dabbing in the range of bearing pad stone, expose the bulky grain stone in concrete, it is ensured that bearing pad stone is connected well with bent cap concrete.
Concrete curing uses geotextiles to cover health preserving, and concreting completes and after initial set, i.e. starts to cover geotextiles wet curing, and curing time is not less than 7 days.Place the Plastic Drum that 4 bottoms are porose above bent cap, pumping for water pump get on, and arrange special messenger to be responsible for drawing water, carry out moisture-keeping maintaining, it is ensured that concrete will not desiccation.When temperature is less than 5 DEG C, forbid concrete carries out maintenance of sprinkling water.
(9) falsework is removed: concrete strength reaches 2.5MPa and removes side form, end mould, after concrete curing 7 days, concrete test block is carried out intensity detection, after intensity reaches the 85% of design strength, starts striking, synchronize two mechanic jacks 4 on same anchor ear are regulated downwards, regulate 2cm first, then regulation two downward 4cm of mechanic jacks of the other end, two ends are progressively lowered about 7cm, are started to remove longeron 2 and crossbeam 3, remove mechanic jacks 4, remove anchor ear 5.
As shown in Figure 1 to Figure 2, a kind of bent cap of the present utility model can quickly regulate support, it includes the anchor ear 5 being arranged on circular-sectioned pier 6, the anchor ear bracket of anchor ear 5 both sides is respectively arranged with vertical mechanic jacks 4, the top of each mechanic jacks 4 is provided with I-steel crossbeam 3, multiple tracks steel bar rod (pull bar does not indicates in the accompanying drawings) it is provided with between two I-steel crossbeams 3, multiple I-shaped steel longitudinal beam 2 is installed on I-steel crossbeam 3, multiple I-shaped steel longitudinal beams 2 are spaced layout along the length direction of I-steel crossbeam 3, and each equal transverse strands of I-shaped steel longitudinal beam 2 is located between two I-steel crossbeams 3, end template 1 is installed on I-shaped steel longitudinal beam 2, between the end template 1 and I-shaped steel longitudinal beam 2 at I-shaped steel longitudinal beam 2 two ends, A-frame 7 is set, pour on frame end template 1 and be provided with bent cap 8.
This utility model is applicable to various cylindrical pier stud bent cap version, with I-steel, anchor ear as support force, mechanic jacks be lower supporter drop adjusting means, support bed die absolute altitude can be adjusted to design attitude within the specific limits, have that motility is strong, speed is efficient and convenient, it is more easy to ensure the absolute altitude accuracy of bent cap structure, manual labor's intensity can be reduced simultaneously, simplify working procedure, improve work efficiency high, accelerating construction progress, it is ensured that the entity quality of works.During support removing, mechanic jacks drops convenient, it is possible to safer than traditional construction carry out support removing.Mechanic jacks of the present utility model to bracket bottom template elevation can free up-down adjustment to design attitude, and mechanic jacks will not bounce back downslide, compare traditional wedge striking more convenient fast, shorten the step lasts time, improve stability and the safety of bent cap support.
Above example is only in order to illustrative not limiting the technical solution of the utility model, although this utility model being described in detail with reference to above-described embodiment, it will be understood by those within the art that: still this utility model can be modified or equivalent, without deviating from any modification or partial replacement of spirit and scope of the present utility model, it all should be contained in the middle of right of the present utility model.
Claims (3)
1. a bent cap can quickly regulate support, it is characterized in that: it includes the anchor ear being arranged on circular-sectioned pier, the anchor ear bracket of anchor ear both sides is respectively arranged with vertical mechanic jacks, the top of each mechanic jacks is provided with crossbeam, being provided with multiple longeron on crossbeam, multiple longerons are spaced layout along the length direction of crossbeam, and the equal transverse strands of each longeron is located between two crossbeams, end template is installed on longeron, end template pours and is provided with bent cap.
Bent cap the most according to claim 1 can quickly regulate support, it is characterised in that: between end template and the longeron at described longeron two ends, A-frame is set.
Bent cap the most according to claim 1 and 2 can quickly regulate support, it is characterised in that: it is provided with multiple tracks pull bar between said two crossbeam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620424867.4U CN205604088U (en) | 2016-05-12 | 2016-05-12 | But bent cap quick adjustment support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620424867.4U CN205604088U (en) | 2016-05-12 | 2016-05-12 | But bent cap quick adjustment support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205604088U true CN205604088U (en) | 2016-09-28 |
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ID=56966243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620424867.4U Expired - Fee Related CN205604088U (en) | 2016-05-12 | 2016-05-12 | But bent cap quick adjustment support |
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| Country | Link |
|---|---|
| CN (1) | CN205604088U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803946A (en) * | 2016-05-12 | 2016-07-27 | 中铁十局集团第二工程有限公司 | Quickly adjustable bracket for cap beam and construction method of quickly adjustable bracket for cap beam |
| CN107443549A (en) * | 2017-08-31 | 2017-12-08 | 上海公路投资建设发展有限公司 | Multipurpose lighting integral cap girder steel formwork |
| CN108342987A (en) * | 2018-01-24 | 2018-07-31 | 中铁二十二局集团第工程有限公司 | Bent cap support construction |
| CN109024315A (en) * | 2018-09-04 | 2018-12-18 | 长江师范学院 | The bridge beam body lifting equipment being installed on bent cap |
| CN109371841A (en) * | 2018-11-22 | 2019-02-22 | 中建七局安装工程有限公司 | A kind of elevated bridge construction anchor ear operating platform |
| CN109385957A (en) * | 2018-11-22 | 2019-02-26 | 中建七局安装工程有限公司 | A kind of pier stud bent cap protective platform |
| CN110029586A (en) * | 2019-05-24 | 2019-07-19 | 四川智通路桥工程技术有限责任公司 | It is a kind of to utilize anchor ear adjustment steel pipe post height and unloading structure and constructing operation method |
| CN110886224A (en) * | 2019-11-28 | 2020-03-17 | 北京市政路桥管理养护集团有限公司 | Supporting device for bridge construction and using method thereof |
| CN110939052A (en) * | 2019-12-11 | 2020-03-31 | 成都轨道建设管理有限公司 | Subway cover beam construction method |
-
2016
- 2016-05-12 CN CN201620424867.4U patent/CN205604088U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105803946A (en) * | 2016-05-12 | 2016-07-27 | 中铁十局集团第二工程有限公司 | Quickly adjustable bracket for cap beam and construction method of quickly adjustable bracket for cap beam |
| CN105803946B (en) * | 2016-05-12 | 2017-08-04 | 中铁十局集团第二工程有限公司 | A kind of bent cap can quick regulation support and its construction method |
| CN107443549A (en) * | 2017-08-31 | 2017-12-08 | 上海公路投资建设发展有限公司 | Multipurpose lighting integral cap girder steel formwork |
| CN108342987A (en) * | 2018-01-24 | 2018-07-31 | 中铁二十二局集团第工程有限公司 | Bent cap support construction |
| CN109024315A (en) * | 2018-09-04 | 2018-12-18 | 长江师范学院 | The bridge beam body lifting equipment being installed on bent cap |
| CN109371841A (en) * | 2018-11-22 | 2019-02-22 | 中建七局安装工程有限公司 | A kind of elevated bridge construction anchor ear operating platform |
| CN109385957A (en) * | 2018-11-22 | 2019-02-26 | 中建七局安装工程有限公司 | A kind of pier stud bent cap protective platform |
| CN110029586A (en) * | 2019-05-24 | 2019-07-19 | 四川智通路桥工程技术有限责任公司 | It is a kind of to utilize anchor ear adjustment steel pipe post height and unloading structure and constructing operation method |
| CN110886224A (en) * | 2019-11-28 | 2020-03-17 | 北京市政路桥管理养护集团有限公司 | Supporting device for bridge construction and using method thereof |
| CN110939052A (en) * | 2019-12-11 | 2020-03-31 | 成都轨道建设管理有限公司 | Subway cover beam construction method |
| CN110939052B (en) * | 2019-12-11 | 2021-08-31 | 成都轨道建设管理有限公司 | Subway cover beam construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20200512 |