CN203429564U - Accurate installation and construction structure for bridge support - Google Patents
Accurate installation and construction structure for bridge support Download PDFInfo
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- CN203429564U CN203429564U CN201320552047.XU CN201320552047U CN203429564U CN 203429564 U CN203429564 U CN 203429564U CN 201320552047 U CN201320552047 U CN 201320552047U CN 203429564 U CN203429564 U CN 203429564U
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- pad
- accurate installation
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Abstract
The utility model discloses an accurate installation and construction structure for a bridge support. The accurate installation and construction structure for the bridge support comprises a grouting pipe which is inserted into the bottom of the installation support form external to internal, a charging basket which is hung on a supporting frame and a pipeline control valve which is installed on the grouting pipe; the charging basket is provided with grouting materials for the support; a support padstone horizontally supports the support temporally through a plurality of temporary supporting cushion blocks; a grouting layer is arranged between the support and the support padstone; a forming template which is used for performing pouring forming on the grouting layer supports the lateral lower side of the periphery of the support; the support padstone supports the bottom of the forming template; a through hole which is used for the grouting pipe to penetrate is formed at the bottom of the charging basket; the supporting frame is arranged on one side of the support padstone; the charging basket is obliquely arranged above the support padstone; a discharging hole which is connected with the grouting pipe is formed in the bottom of the charging basket. The accurate installation and construction structure for the bridge support has the advantages of being simple in structure, reasonable in design, convenient to construct and operate, good in construction effect, enabling accuracy of support installation to be high and solving the problems that the existing supporting installation methods are complex in construction procedures, inconvenient to operate, low in support installation accuracy and the like.
Description
Technical field
The utility model relates to a kind of provisions for grouting, especially relates to the accurate installation structure of a kind of bridge pad.
Background technology
Bridge pad is the important component that connects bridge up-down structure, and it passes to bridge substructure reliably by the counter-force of bridge superstructure and distortion (comprising displacement and corner).The mechanical property of bridge pad and reliability have great impact to the normal carrying of bridge and safety.Along with scientific and technological development, in order to guarantee the normal service life of bridge pad, in bearing processing, to take advanced technique, bearing mounting technique is to also playing conclusive effect the application life of bearing.Earthquake is to plant sudden, destructive natural calamity, and 7 grades of above earthquakes approximately 10% occur in China, and in recent years, global seismicity is frequent, and repeatedly ruinous earthquake all concentrates near metropolis, has caused very heavy Loss of Life and property.For preventing the destruction of earthquake to transport hub, avoid the rear disaster relief work of impact shake, prevent that time property disaster from occurring, improve the shock resistance of bridge in earthquake intensity seismic region, for the main bridge in city, must adopt Aseismic Structure System.
Traditional seismic design of structures is to rely on the intensity, the deformability that increase structure self to carry out antidetonation, although can prevent collapsing of structure by suitable selection place of the plastic hinge and detail structure design, the structural damage of structure object is inevitable.The mechanism that subtracts shock insulation is mainly reflected in following three aspects:, and first, increase the flexibility of structure with the cycle of shake certainly of extending structure, reach and reduce the seismic load producing due to earthquake; The second, the damper of increase structure or energy consume energy to reduce because free vibration period of structure extends the displacement structure increasing; Three, seismic isolation device should have enough Rigidity and strengths, and the horizontal force under supporting serviceability limit state.
Though China has carried out earthquake resistant structure trial to freely-supported bridge, along with China's rapid development of economy, engineering infrastructure increases, and especially for city, is similar to the complex system bridges such as arch bridge, how to carry out seismic design and construction, be the desirability of present stage bridge design research.
Nowadays, bridge pad mounting method mainly contains following three kinds of methods: after the first, forever bearing installation, at bearing, adopt sulphur-bonded mortar temporary support around, after bridge construction completes, remove temporary support; The second, the some distances of the unsettled bearing pad stone of bearing, after to be onstructed completing, the steel plate of jumping a queue in space below bearing; Three, after bearing pad stone has been constructed, adopt terrazzo machine, polishing bearing pad stone is to accurate elevation.But during practice of construction, all there is number of drawbacks and the deficiencies such as working procedure is more, operation is inconvenient, bearing installation accuracy is lower in above-mentioned three kinds of bearing mounting methods to some extent.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, provide a kind of bridge pad accurate installation structure, it is simple in structure, reasonable in design and constructing operation is easy, construction effect is good, bearing installation accuracy is high, the problem such as can effectively solve that the working procedure that existing bearing mounting method exists is more, operation inconvenience, bearing installation accuracy are lower.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the accurate installation structure of a kind of bridge pad, it is characterized in that: comprise the Grouting Pipe that is inserted into from outside to inside institute erection support bottom, hang on bracing frame and innerly the charging basket of support grouting material is housed and is arranged on the pipe control valve in Grouting Pipe, described bearing is supported horizontally inside on bearing pad stone by a plurality of temporary supporting cushion blocks temporarily, between described bearing and bearing pad stone, is provided with grout blanket; The surrounding side-lower Zhi Li of described bearing is useful on the forming panel of pour-shaping grout blanket, and described forming panel bottom support, on bearing pad stone, has the through hole passing for Grouting Pipe on described forming panel; Support frame as described above is positioned at a side of bearing pad stone, and described charging basket is positioned at the oblique upper of bearing pad stone, and the bottom of described charging basket has the discharging opening joining with Grouting Pipe.
The accurate installation structure of above-mentioned bridge pad, is characterized in that: described bearing is pot rubber bearing or lead rubber bearing.
The accurate installation structure of above-mentioned bridge pad, is characterized in that: described temporary supporting cushion block comprises vertical supporting cushion block and is padded on the gad piece between vertical supporting cushion block and bearing.
The accurate installation structure of above-mentioned bridge pad, is characterized in that: the space height between described bearing and bearing pad stone is 3cm～5cm.
The accurate installation structure of above-mentioned bridge pad, it is characterized in that: a plurality of stone bolt are installed on described bearing, between described bearing and bearing pad stone, all by a plurality of described stone bolt, be fastenedly connected, on described bearing pad stone, be provided with a plurality of bolt mounting holes of installing for a plurality of described stone bolt respectively; A plurality of described stone bolt are all embedded in grout blanket.
The accurate installation structure of above-mentioned bridge pad, is characterized in that: the Grouting Pipe between bearing and bearing pad stone is level to laying.
The accurate installation structure of above-mentioned bridge pad, is characterized in that: support frame as described above is tripod.
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design and constructing operation is easy, drop into construction cost lower.
2, realize conveniently, simple.
3, construction effect is good, bearing installation accuracy is high, the thickness of reserved grout blanket during bearing pad stone construction, bearing carries out accurate adjustment to the installation site of institute's erection support and elevation while installing, and can guarantee that the actual elevation of bearing and the error of design elevation are at 0.1mm～0.3mm; After institute's erection support absolute altitude be adjusted to meet design requirement, in bearing surrounding, with triangular steel voussoir, carry out pad its position is fixed, be convenient to the grouting construction of follow-up bearing.
In sum, the utility model is simple in structure, reasonable in design and constructing operation is easy, construction effect is good, and bearing installation accuracy is high, the problem such as can effectively solve that the working procedure that existing bearing mounting method exists is more, operation inconvenience, bearing installation accuracy are lower.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
1-Grouting Pipe; 2-charging basket; 3-pipe control valve;
4-tripod; 5-bearing; 6-bearing pad stone;
8-grout blanket; 9-stone bolt; 10-1-vertical supporting cushion block;
10-2-gad piece.
The specific embodiment
As shown in Figure 1, the utility model comprises the Grouting Pipe 1 that is inserted into from outside to inside institute's erection support 5 bottoms, hang on bracing frame and innerly the charging basket 2 of support grouting material is housed and is arranged on the pipe control valve 3 in Grouting Pipe 1, described bearing 5 is supported horizontally inside on bearing pad stone 6 by a plurality of temporary supporting cushion blocks temporarily, between described bearing 5 and bearing pad stone 6, is provided with grout blanket 8.The surrounding side-lower Zhi Li of described bearing 5 is useful on the forming panel of pour-shaping grout blanket 8, and described forming panel bottom support, on bearing pad stone 6, has the through hole passing for Grouting Pipe 1 on described forming panel.Support frame as described above is positioned at a side of bearing pad stone 6, and described charging basket 2 is positioned at the oblique upper of bearing pad stone 6, and the bottom of described charging basket 2 has the discharging opening joining with Grouting Pipe 1.
In the present embodiment, described bearing 5 is pot rubber bearing or lead rubber bearing.
In the present embodiment, described temporary supporting cushion block comprises vertical supporting cushion block 10-1 and is padded on the gad piece 10-2 between vertical supporting cushion block 10-1 and bearing 5.
During practice of construction, also can adopt the temporary support structure of other type.
In the present embodiment, the space height between described bearing 5 and bearing pad stone 6 is 3cm～5cm.During practice of construction, can according to specific needs, the space height size between bearing 5 and bearing pad stone 6 be adjusted accordingly.
In the present embodiment, a plurality of stone bolt 9 are installed on described bearing 5, between described bearing 5 and bearing pad stone 6, all by a plurality of described stone bolt 9, be fastenedly connected, on described bearing pad stone 6, be provided with a plurality of bolt mounting holes of installing for a plurality of described stone bolt 9 respectively.A plurality of described stone bolt 9 are all embedded in grout blanket 8.
During practice of construction, the Grouting Pipe 1 between bearing 5 and bearing pad stone 6 is level to laying.
In the present embodiment, support frame as described above is tripod 4.During practice of construction, also can adopt the supporting frame of other type.
During practice of construction, the installation process of described bearing 5 is as follows:
Step 1, measurement unwrapping wire: after bearing pad stone 6 has been constructed, the installation position of institute's erection support 5 is measured respectively to unwrapping wire.
In the present embodiment, after measuring unwrapping wire in step 1 and finishing, according to measuring unwrapping wire result, on bearing pad stone 6, mark the geometric center position of bearing 5, measure the design elevation of bearing 5 simultaneously.
In step 2, after bearing installation, also need to adopt height adjuster to carry out respectively accurate adjustment to the setting height(from bottom) of each bearing.Described height adjuster is height adjustment bolt or the jack that is supported in each rest base.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. the accurate installation structure of bridge pad, it is characterized in that: comprise the Grouting Pipe (1) that is inserted into from outside to inside institute's erection support (5) bottom, hang on bracing frame and innerly the charging basket (2) of support grouting material is housed and is arranged on the pipe control valve (3) in Grouting Pipe (1), it is upper that described bearing (5) is supported horizontally inside bearing pad stone (6) by a plurality of temporary supporting cushion blocks temporarily, between described bearing (5) and bearing pad stone (6), is provided with grout blanket (8); The surrounding side-lower Zhi Li of described bearing (5) is useful on the forming panel of pour-shaping grout blanket (8), and described forming panel bottom support is upper at bearing pad stone (6), has the through hole passing for Grouting Pipe (1) on described forming panel; Support frame as described above is positioned at a side of bearing pad stone (6), and described charging basket (2) is positioned at the oblique upper of bearing pad stone (6), and the bottom of described charging basket (2) has the discharging opening joining with Grouting Pipe (1).
2. according to the accurate installation structure of bridge pad claimed in claim 1, it is characterized in that: described bearing (5) is pot rubber bearing or lead rubber bearing.
3. according to the accurate installation structure of the bridge pad described in claim 1 or 2, it is characterized in that: described temporary supporting cushion block comprises vertical supporting cushion block (10-1) and is padded on the gad piece (10-2) between vertical supporting cushion block (10-1) and bearing (5).
4. according to the accurate installation structure of the bridge pad described in claim 1 or 2, it is characterized in that: the space height between described bearing (5) and bearing pad stone (6) is 3cm～5cm.
5. according to the accurate installation structure of the bridge pad described in claim 1 or 2, it is characterized in that: a plurality of stone bolt (9) are installed on described bearing (5), between described bearing (5) and bearing pad stone (6), all by a plurality of described stone bolt (9), be fastenedly connected, on described bearing pad stone (6), be provided with a plurality of bolt mounting holes that supply respectively a plurality of described stone bolt (9) to install; A plurality of described stone bolt (9) are all embedded in grout blanket (8).
6. according to the accurate installation structure of the bridge pad described in claim 1 or 2, it is characterized in that: the Grouting Pipe (1) being positioned between bearing (5) and bearing pad stone (6) is level to laying.
7. according to the accurate installation structure of the bridge pad described in claim 1 or 2, it is characterized in that: support frame as described above is tripod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320552047.XU CN203429564U (en) | 2013-09-05 | 2013-09-05 | Accurate installation and construction structure for bridge support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320552047.XU CN203429564U (en) | 2013-09-05 | 2013-09-05 | Accurate installation and construction structure for bridge support |
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| Publication Number | Publication Date |
|---|---|
| CN203429564U true CN203429564U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320552047.XU Expired - Lifetime CN203429564U (en) | 2013-09-05 | 2013-09-05 | Accurate installation and construction structure for bridge support |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594203A (en) * | 2014-12-31 | 2015-05-06 | 北京市市政专业设计院股份公司 | Construction technology of upper pinner below beam body |
| CN110593086A (en) * | 2019-09-10 | 2019-12-20 | 甘肃路桥建设集团有限公司 | Adjustable support base cushion stone template |
| CN111395206A (en) * | 2020-03-20 | 2020-07-10 | 中铁大桥（南京）桥隧诊治有限公司 | On-site deviation rectifying method for spherical support seat emptying |
| CN112900284A (en) * | 2021-03-10 | 2021-06-04 | 中铁二十局集团第六工程有限公司 | Positioning and mounting method for spherical hinge support |
| CN114319092A (en) * | 2022-01-14 | 2022-04-12 | 中国铁建大桥工程局集团有限公司 | Connecting device, bridge and mounting method of connecting device |
| CN114808677A (en) * | 2022-05-29 | 2022-07-29 | 临沂市政集团有限公司 | Gravity type grouting bridge support installation process for municipal construction |
-
2013
- 2013-09-05 CN CN201320552047.XU patent/CN203429564U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594203A (en) * | 2014-12-31 | 2015-05-06 | 北京市市政专业设计院股份公司 | Construction technology of upper pinner below beam body |
| CN110593086A (en) * | 2019-09-10 | 2019-12-20 | 甘肃路桥建设集团有限公司 | Adjustable support base cushion stone template |
| CN111395206A (en) * | 2020-03-20 | 2020-07-10 | 中铁大桥（南京）桥隧诊治有限公司 | On-site deviation rectifying method for spherical support seat emptying |
| CN111395206B (en) * | 2020-03-20 | 2021-05-25 | 中铁桥隧技术有限公司 | On-site deviation rectifying method for spherical support seat emptying |
| CN112900284A (en) * | 2021-03-10 | 2021-06-04 | 中铁二十局集团第六工程有限公司 | Positioning and mounting method for spherical hinge support |
| CN114319092A (en) * | 2022-01-14 | 2022-04-12 | 中国铁建大桥工程局集团有限公司 | Connecting device, bridge and mounting method of connecting device |
| CN114808677A (en) * | 2022-05-29 | 2022-07-29 | 临沂市政集团有限公司 | Gravity type grouting bridge support installation process for municipal construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |