CN205100092U - Prefabricated assembled concrete bridge mound - Google Patents
Prefabricated assembled concrete bridge mound Download PDFInfo
- Publication number
- CN205100092U CN205100092U CN201520869489.6U CN201520869489U CN205100092U CN 205100092 U CN205100092 U CN 205100092U CN 201520869489 U CN201520869489 U CN 201520869489U CN 205100092 U CN205100092 U CN 205100092U
- Authority
- CN
- China
- Prior art keywords
- rod iron
- screw
- screw thread
- sleeve
- thread rod
- 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.)
- Expired - Fee Related
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 21
- 229910000754 Wrought iron Inorganic materials 0.000 claims abstract description 49
- 239000011440 grout Substances 0.000 claims abstract description 13
- 239000011083 cement mortar Substances 0.000 claims abstract description 5
- 239000002002 slurry Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 description 7
- 239000004570 mortar (masonry) Substances 0.000 description 6
- 239000004593 Epoxy Substances 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005304 joining Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011405 expansive cement Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The utility model discloses a prefabricated assembled concrete bridge mound, the screw rod iron is pre -buried in pier shaft festival section lower part down, it is pre -buried in pier shaft festival section upper portion to go up the screw rod iron, screw sleeve's lower part is the screw thread section, the upper portion of screw thread section is connected with the linkage segment, the upper portion of linkage segment is connected with the sleeve body, screw rod iron is down connected to screw sleeve's screw section, it inserts in the screw sleeve from the top to go up the screw rod iron, cylindrical notch is cup jointed to the outside, to descend the screw rod iron through cement mortar, go up the screw rod iron, screw sleeve and cylindrical notch fixed connection. Through separating grout sleeve become two parts from top to bottom, the scene only needs wrong income the latter half to dismantle and takes screw sleeve, can directly hoist the pier shaft and save the section, and work load is few, the diameter of the cylindrical notch twice for dismantling sleeve top diameter can be dismantled sleeve top diameter and for three times of pre -buried screw rod iron diameter, permit construction error big, and the efficiency of construction is high, the degree of difficulty is little, the operation of being convenient for.
Description
Technical field
The utility model relates to a kind of sectional type bridge pier precast construction, particularly relates to a kind of prefabricated assembled concrete bridge pier.
Background technology
In the last few years, bridge construction presented the feature that bridge pier quantity is many, the duration is short.This has promoted the development of Precast Concrete Segmental Bridges bridge pier technology, owing to not needing tensioned prestressing bar, site work amount is little, so the technology connecting upper-lower segment with grout sleeve obtains extensive utilization in low earthquake intensity region, but existing grout sleeve link technique, and construction allowable error is little, construction precision requires high, particularly when upper and lower two sections need to rely on multiple grout sleeve to connect many reinforcing bars simultaneously, high to lifting required precision, difficulty of construction is very large.Therefore, from reduction difficulty of construction, improve efficiency of construction, the object of reduction of erection time is set out, and develops one and can increase construction allowable error, simple structure, safely and effectively novel grouting branch sleeve and have great importance.
Because connect the defect of existence between above-mentioned existing bridge pier, the utility model people is based on being engaged in the practical experience and professional knowledge that this type of product design manufacture enriches for many years, and coordinate the utilization of scientific principle, actively in addition research and innovation, to founding a kind of novel prefabricated assembled concrete bridge pier, it is made to have more practicality.Through constantly research, design, and through repeatedly studying sample and after improving, finally creating the utility model had practical value.
Utility model content
Main purpose of the present utility model is, overcomes the defect that between existing pier shaft, Joining Technology exists, and provides a kind of novel prefabricated assembled concrete bridge pier, reduce difficulty of construction, improve efficiency of construction, thus be more suitable for practicality, and there is the value in industry.
The purpose of this utility model and solve its technical problem and realize by the following technical solutions.According to a kind of prefabricated assembled concrete bridge pier that the utility model proposes, include lower screw thread rod iron, upper screw thread rod iron, screw shell and cylindrical notch,
Described lower screw thread rod iron is embedded in pier shaft sections bottom, and described upper screw thread rod iron is embedded in pier shaft sections top,
The bottom of described screw shell is thread segment, and the top of thread segment is connected with linkage section, and the top of linkage section is connected with sleeve body,
The thread segment of described screw shell connects lower screw thread rod iron, and upper screw thread rod iron inserts in screw shell from top, and the described cylindrical notch of outside socket, is fixedly connected with lower screw thread rod iron, upper screw thread rod iron, screw shell with cylindrical notch by cement mortar.
Further, aforesaid prefabricated assembled concrete bridge pier, is provided with grout hole at a side lower part of described cylindrical notch excircle, and a upper lateral part of described cylindrical notch excircle is provided with slurry outlet.
Further, aforesaid prefabricated assembled concrete bridge pier, all alternately arranges groove and fin at the surfaces externally and internally of described screw shell and cylindrical notch.
Further, aforesaid prefabricated assembled concrete bridge pier, is provided with hole at the top of described sleeve body and circumferential surface, and described upper screw thread rod iron is arranged in the hole at sleeve body top.
Prefabricated assembled concrete bridge pier Joining Technology, comprises following operating procedure,
Step one, prefabricated pier shaft sections, described lower screw thread rod iron and upper screw thread rod iron are embedded in different pier shaft sections respectively;
Step 2, is connected lower screw thread rod iron with upper screw thread rod iron with cylindrical notch by screw shell,
Step 3, joints cement mortar in cylindrical notch, and then pier shaft sections is fixed.
By technique scheme, prefabricated assembled concrete bridge pier of the present utility model at least has following advantages:
(1) by grout sleeve is separated into upper and lower two parts, factory's pre-buried the first half steel circular cylindrical notch, on-the-spot need be screwed into the latter half removable strip screw shell, can directly lift pier shaft sections, workload is few, and the diameter of (2) cylindrical notch is the twice of removable sleeve top diameter, removable sleeve top diameter is three times of pre-buried screw thread rod iron diameter, permission construction error is large, and efficiency of construction is high, difficulty is little, convenient operation.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of manual, be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the sectional view of the utility model prefabricated assembled concrete bridge pier;
Fig. 2 is screw shell structural representation;
Fig. 3 is the top view of cylindrical notch;
Fig. 4 is pier shaft sections upper axis mapping;
Fig. 5 is pier shaft sections bottom axonometric drawing;
Mark implication in figure: 1. descend screw thread rod iron, 2. go up screw thread rod iron, 3. screw shell, 4. cylindrical notch, 5. grout hole, 6. slurry outlet, 7. bonding surface, 8. groove, 9. fin, 10. hole, 3-1. thread segment, 3-2. linkage section, 3-3. sleeve body.
Detailed description of the invention
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, to according to its detailed description of the invention of prefabricated assembled concrete bridge pier, feature and the effect thereof that the utility model proposes, be described in detail as follows.
Embodiment 1
Prefabricated assembled concrete bridge pier structure schematic diagram of the present utility model as shown in Fig. 1 ~ 5, includes lower screw thread rod iron 1, upper screw thread rod iron 2, screw shell 3, thread segment 3-1, linkage section 3-2, sleeve body 3-3, cylindrical notch 4, grout hole 5, slurry outlet 6, bonding surface 7, groove 8, fin 9 and hole 10.
Lower screw thread rod iron 1 is embedded in pier shaft sections bottom, and upper screw thread rod iron 2 is embedded in pier shaft sections top, smears epoxy gluing agent and form bonding surface 7 between the pier shaft sections be connected to each other.The bottom of screw shell 3 is thread segment 3-1, the top of thread segment 3-1 is connected with linkage section 3-2, the top of linkage section 3-2 is connected with sleeve body 3-3, the thread segment 3-1 of screw shell 3 connects lower screw thread rod iron 1, upper screw thread rod iron 2 inserts in screw shell 3 from top, be provided with hole 10 at the top of sleeve body 3-3 and circumferential surface, upper screw thread rod iron 2 is arranged in the hole 10 at sleeve body 3-3 top.Outside socket cylindrical groove mouth 4, is fixedly connected with lower screw thread rod iron 1, upper screw thread rod iron 2, screw shell 3 with cylindrical notch 4 by cement mortar.A side lower part of cylindrical notch 4 excircle is provided with grout hole 5, and a upper lateral part of cylindrical notch 4 excircle is provided with slurry outlet 6, and what replace at screw shell 3 external surface and cylindrical notch 4 inner surface is furnished with groove 8 and fin 9.
The Joining Technology of prefabricated assembled concrete bridge pier comprises following operating procedure:
Step one, prefabricated pier shaft sections, wherein descends screw thread rod iron 1 and upper screw thread rod iron 2 for follow more, is embedded in different pier shaft sections respectively;
Step 2, lower screw thread rod iron 1 is connected with upper screw thread rod iron 2 with cylindrical notch 4 by screw shell 3, screw shell 3 to be tightened with pre-buried lower screw thread rod iron 1 by thread segment 3-1 and is connected, after whole socket completes, first form bonding surface 7 in the agent of pier shaft sections upper surface uniform application one deck epoxy gluing, start again to lift new prefabricated pier shaft sections, during lifting, upper screw thread rod iron 2 is inserted the top of screw shell 3 sleeve body 3-3, screw shell 3 inserts in cylindrical notch 4, all align after inserting, slowly transferring in pier shaft sections process, adjust pier shaft sections position gradually, upper and lower pier shaft sections bonding surface 7 is precisely fitted, after determining that bonding surface 7 is precisely fitted, process the outer seam crossing of upper and lower pier shaft sections because of the excessive epoxy gluing agent of pressure,
Step 3, after epoxy gluing agent is solidified and is reached requirement of strength, the high-strength expansive cement mortar of ungauged regions is built in cylindrical notch 4, mortar is built by the grout hole 5 being arranged on cylindrical notch 4 excircle one side lower part, enter in space that cylindrical notch 4 and screw shell 3 formed, and it is inner to enter screw shell 3 by the hole 10 that screw shell 3 circumferential surface is arranged, and then pier shaft sections is fixed, the high-strength expansive cement mortar of grout hole 5 note pressure ungauged regions, slurry outlet 6 and grout hole 5 is closed when slurry outlet 6 pulp, the installation of a pier shaft sections can be completed.After mortar strength reaches designing requirement, then carry out next sections installation.
Wherein in cylindrical notch 4 with screw shell 3, alternately arrange groove 8 and fin 9, the snap-in force be used between increase and concrete, mortar, the sidewall of screw shell 3 has hole 10, the mortar inside and outside screw shell 3 is better bondd.
Cylindrical notch 4 height 30d≤X≤35d, screw shell 3 and the lower screw thread rod iron 1 be embedded in prefabricated pier shaft sections tighten connecting length X1 >=5d, screw shell 3 inserts the length X2 >=25d of cylindrical notch 4, the upper screw thread rod iron 2 be embedded in prefabricated pier shaft sections inserts the length X3 >=X2 of screw shell 3, screw shell 3 upper diameter D1 ≈ 3d, cylindrical notch 4 bore D2 ≈ 6d.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (4)
1. a prefabricated assembled concrete bridge pier, is characterized in that: include lower screw thread rod iron (1), upper screw thread rod iron (2), screw shell (3) and cylindrical notch (4),
Described lower screw thread rod iron (1) is embedded in pier shaft sections bottom, and described upper screw thread rod iron (2) is embedded in pier shaft sections top,
The bottom of described screw shell (3) is thread segment (3-1), the top of thread segment (3-1) is connected with linkage section (3-2), the top of linkage section (3-2) is connected with sleeve body (3-3)
The thread segment (3-1) of described screw shell (3) connects lower screw thread rod iron (1), upper screw thread rod iron (2) is inserted in screw shell (3) from top, the described cylindrical notch (4) of outside socket, is fixedly connected with lower screw thread rod iron (1), upper screw thread rod iron (2), screw shell (3) with cylindrical notch (4) by cement mortar.
2. prefabricated assembled concrete bridge pier according to claim 1, it is characterized in that: a side lower part of described cylindrical notch (4) excircle is provided with grout hole (5), a upper lateral part of described cylindrical notch (4) excircle is provided with slurry outlet (6).
3. prefabricated assembled concrete bridge pier according to claim 1, is characterized in that: what replace at described screw shell (3) external surface and cylindrical notch (4) surfaces externally and internally is furnished with groove (8) and fin (9).
4. prefabricated assembled concrete bridge pier according to claim 1, it is characterized in that: be provided with hole (10) at the top of described sleeve body (3-3) and circumferential surface, described upper screw thread rod iron (2) is arranged in the hole (10) at sleeve body (3-3) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520869489.6U CN205100092U (en) | 2015-11-03 | 2015-11-03 | Prefabricated assembled concrete bridge mound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520869489.6U CN205100092U (en) | 2015-11-03 | 2015-11-03 | Prefabricated assembled concrete bridge mound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205100092U true CN205100092U (en) | 2016-03-23 |
Family
ID=55515882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520869489.6U Expired - Fee Related CN205100092U (en) | 2015-11-03 | 2015-11-03 | Prefabricated assembled concrete bridge mound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205100092U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421221A (en) * | 2015-11-03 | 2016-03-23 | 苏交科集团股份有限公司 | Prefabricated segmental assembling concrete bridge pier and connection technique thereof |
| CN107988895A (en) * | 2017-11-29 | 2018-05-04 | 浙江跃龙园林建设有限公司 | A kind of bridge and its construction method |
| CN112030753A (en) * | 2020-08-18 | 2020-12-04 | 中交路桥建设有限公司 | Pier column installation method for ensuring thickness of slurry of foundation of assembled pier column |
-
2015
- 2015-11-03 CN CN201520869489.6U patent/CN205100092U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421221A (en) * | 2015-11-03 | 2016-03-23 | 苏交科集团股份有限公司 | Prefabricated segmental assembling concrete bridge pier and connection technique thereof |
| CN107988895A (en) * | 2017-11-29 | 2018-05-04 | 浙江跃龙园林建设有限公司 | A kind of bridge and its construction method |
| CN107988895B (en) * | 2017-11-29 | 2019-12-06 | 浙江跃龙园林建设有限公司 | Bridge and construction method thereof |
| CN112030753A (en) * | 2020-08-18 | 2020-12-04 | 中交路桥建设有限公司 | Pier column installation method for ensuring thickness of slurry of foundation of assembled pier column |
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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 |
Granted publication date: 20160323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |