CN110528394A - Prestressed reinforcement structure applied to the construction of bridge slope surface pad pier - Google Patents
Prestressed reinforcement structure applied to the construction of bridge slope surface pad pier Download PDFInfo
- Publication number
- CN110528394A CN110528394A CN201910863970.7A CN201910863970A CN110528394A CN 110528394 A CN110528394 A CN 110528394A CN 201910863970 A CN201910863970 A CN 201910863970A CN 110528394 A CN110528394 A CN 110528394A
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- Prior art keywords
- construction
- pad pier
- slope surface
- bridge
- pier
- Prior art date
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- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 37
- 230000002787 reinforcement Effects 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 239000004698 Polyethylene Substances 0.000 claims abstract description 15
- -1 polyethylene Polymers 0.000 claims abstract description 15
- 229920000573 polyethylene Polymers 0.000 claims abstract description 15
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 4
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims abstract description 4
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims abstract description 4
- 239000002390 adhesive tape Substances 0.000 claims abstract description 4
- 235000009120 camo Nutrition 0.000 claims abstract description 4
- 235000005607 chanvre indien Nutrition 0.000 claims abstract description 4
- 239000000835 fiber Substances 0.000 claims abstract description 4
- 239000011487 hemp Substances 0.000 claims abstract description 4
- 210000003205 muscle Anatomy 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 229920003023 plastic Polymers 0.000 claims abstract description 4
- 238000009412 basement excavation Methods 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004804 winding Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 239000006004 Quartz sand Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 241000208202 Linaceae Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 241001080929 Zeugopterus punctatus Species 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to bridge construction applied technical fields, specifically disclose the prestressed reinforcement structure for being applied to the construction of bridge slope surface pad pier, including inclined borehole, concrete pad pier, billet, prestressed anchor, tubaeform telescoping screw muscle, gas vent steel pipe, polyethylene cannula, mud jacking hose, plastic adhesive tape winding, Bituminous hemp fiber, a madjack pipe, secondary grouting pipe, locating plate, garter spring, steel strand wires, tensioner ring and guiding cap.The beneficial effect of the prestressed reinforcement structure for being applied to the construction of bridge slope surface pad pier of the invention is: it designs reasonable, accurately construction can be carried out to slope surface bridge pier pad pier to fix, improve the anti-prestress strength of pad pier, and then guarantee the stability of bridge pier support, simultaneously convenient for construction, it is at low cost, it is practical.
Description
Technical field
The invention belongs to bridge construction applied technical fields, and in particular to the prestressing force applied to the construction of bridge slope surface pad pier
Ruggedized construction.
Background technique
Bridge refers generally to be erected in rivers,lakes and seas, the structures for making traffic etc. that can smoothly pass through.It is modern to adapt to
The transportation industry of high speed development, bridge be also extended to across mountain stream, unfavorable geology or meet other traffic need and set up make
Current more convenient and fast building.Bridge is generally made of superstructure, substructure, support and attached structure, top knot
Structure is also known as bridge span structure, is across the primary structure of obstacle；Substructure includes abutment, bridge pier and basis；Support is spanning knot
The load transfer device of the bearing place setting of structure and bridge pier or abutment；Attached structure then refer to transition slab at bridge head, truncated cone banking, shore protection,
Training works etc..
In the construction of Bridges in Mountainous Areas, the slope concrete pad pier structure of rational design is particularly important, needs to have good
Good prestressing force improves the safety of whole bridge after the completion of construction to guarantee the stability of bridge pier.
Therefore, based on the above issues, the present invention provides the prestressed reinforcement structure for being applied to the construction of bridge slope surface pad pier.
Summary of the invention
Goal of the invention: the object of the present invention is to provide be applied to bridge slope surface pad pier construction prestressed reinforcement structure,
Design rationally, accurately construction can be carried out to slope surface bridge pier pad pier and is fixed, improves the anti-prestress strength of pad pier, and then guarantee bridge
Beam bridge pier support stability, while convenient for construction, it is at low cost, it is practical.
Technical solution: the present invention provides the prestressed reinforcement structure for being applied to the construction of bridge slope surface pad pier, including is located at and applies
Work excavates the inclined borehole in slope surface, and is provided in the concrete pad pier of construction and excavation slope surface, and is arranged in concrete pad pier one
Billet, the prestressed anchor in face, and the tubaeform telescoping screw for being arranged in concrete pad pier and being connect with prestressed anchor
Muscle, and the gas vent steel pipe being arranged in concrete pad pier, and the polyethylene cannula, the mud jacking hose that are arranged in inclined borehole,
In, gas vent steel pipe, mud jacking hose one end contacted respectively with polyethylene cannula, and polyethylene jacket is wrapped in by plastic adhesive tape
The Bituminous hemp fiber of pipe one end, and the madjack pipe, the secondary grouting pipe that are arranged in inclined borehole and are connect with polyethylene cannula, and
Madjack pipe is set, locating plate, garter spring, steel strand wires, the tensioner ring that secondary grouting pipe is used in combination, and setting is twisted in steel
The guiding cap of line one end.
The technical program, the diameter dimension of the gas vent steel pipe is 15mm, and the diameter dimension of polyethylene cannula is
70mm, a madjack pipe, secondary grouting pipe diameter dimension be respectively 17mm, the diameter dimension of guiding cap is 50mm.
Compared with prior art, the beneficial effect of the prestressed reinforcement structure for being applied to the construction of bridge slope surface pad pier of the invention
Fruit is: it is designed rationally, and accurately construction can be carried out to slope surface bridge pier pad pier and is fixed, the anti-prestress strength of pad pier is improved,
And then guarantee bridge pier support stability, while convenient for construction, it is at low cost, it is practical.
Detailed description of the invention
Fig. 1 is the planar structure schematic diagram of the prestressed reinforcement structure for being applied to the construction of bridge slope surface pad pier of the invention；
Fig. 2 is that the part of A-A, B-B, C-C of the prestressed reinforcement structure for being applied to the construction of bridge slope surface pad pier of the invention are put
Big structure schematic diagram；
Fig. 3 is the structural schematic diagram of the tensioner ring of the prestressed reinforcement structure for being applied to the construction of bridge slope surface pad pier of the invention；
Fig. 4 is the concrete pad pier of the prestressed reinforcement structure for being applied to the construction of bridge slope surface pad pier of the invention, gas vent steel
The structural schematic diagram of pipe, mud jacking hose；
Fig. 5 is the structure of the steel strand wires of the prestressed reinforcement structure for being applied to the construction of bridge slope surface pad pier of the invention, guiding cap
Schematic diagram.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated.
Embodiment
As shown in Figure 1, Figure 2, Fig. 3, Fig. 4 and the prestressed reinforcement structure shown in fig. 5 applied to the construction of bridge slope surface pad pier, packet
The inclined borehole 7 being located in construction and excavation slope surface is included, and is provided in the concrete pad pier 2 of construction and excavation slope surface, and setting is mixed
Billet 3, the prestressed anchor 1 of solidifying soil 2 one side of pad pier, and be arranged in concrete pad pier 2 and connect with prestressed anchor 1
Tubaeform telescoping screw muscle 4, and the gas vent steel pipe 5 being arranged in concrete pad pier 2, and the poly- second being arranged in inclined borehole 7
Alkene casing 6, mud jacking hose 17, wherein gas vent steel pipe 5, mud jacking hose 17 one end contacted respectively with polyethylene cannula 6, and
It is wrapped in the Bituminous hemp fiber 8 of 6 one end of polyethylene cannula by plastic adhesive tape 9, and is arranged in inclined borehole 7 and and polyethylene cannula
A madjack pipe 14, the secondary grouting pipe 16 of 6 connections, and setting are used in combination in a madjack pipe 14, secondary grouting pipe 16
Locating plate 10, garter spring 11, steel strand wires 12, tensioner ring 13, and the guiding cap 15 of 12 one end of steel strand wires is set.
It is further preferred that the diameter dimension of the gas vent steel pipe 5 is 15mm, the diameter dimension of polyethylene cannula 6 is
70mm, a madjack pipe 14, secondary grouting pipe 16 diameter dimension be respectively 17mm, the diameter dimension of guiding cap 15 is 50mm.
The prestressed reinforcement structure for being applied to the construction of bridge slope surface pad pier of this structure, design rationally, can be to slope surface bridges
Pier pad pier carries out accurately construction and fixes, and improves the anti-prestress strength of pad pier, and then guarantee the stability of bridge pier support,
Simultaneously convenient for construction, it is at low cost, it is practical.
The prestressed reinforcement structure for being applied to the construction of bridge slope surface pad pier of this structure, the specification of prestressed anchor 1 are 15-
4, design power is 600kN, stretching force 720kN, and intermediate one madjack pipe 14 is used for anchored end mud jacking, the two of another
For secondary madjack pipe 16 to form the protective layer of prestressed strand, cement slurry M30, ratio of mud 0.45-0.5 such as use cement mortar,
Cement: quartz sand 1:1, quartz sand particle need to 2mm once, filled bitumen flax silk within the scope of the 0.2m of free segment end.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
It for member, without departing from the principle of the present invention, can also make several improvements, these improvement also should be regarded as of the invention
Protection scope.
Claims (2)
1. being applied to the prestressed reinforcement structure of bridge slope surface pad pier construction, it is characterised in that: including being located at construction and excavation slope surface
Interior inclined borehole (7), and it is provided in the concrete pad pier (2) of construction and excavation slope surface, and setting is in concrete pad pier (2) one side
Billet (3), prestressed anchor (1), and setting is in the concrete pad pier (2) and the loudspeaker that connect with prestressed anchor (1)
Shape telescoping screw muscle (4), and the gas vent steel pipe (5) being arranged in concrete pad pier (2), and be arranged in inclined borehole (7)
Polyethylene cannula (6), mud jacking hose (17), wherein gas vent steel pipe (5), mud jacking hose (17) one end respectively with polyethylene
Casing (6) contact, and pass through the Bituminous hemp fiber (8) that plastic adhesive tape (9) are wrapped in polyethylene cannula (6) one end, and be arranged oblique
Drill a madjack pipe (14) connecting in (7) and with polyethylene cannula (6), secondary grouting pipe (16), and setting is once being pressed
Locating plate (10), garter spring (11), steel strand wires (12), the tensioner ring (13) that slurry pipe (14), secondary grouting pipe (16) are used in combination,
And setting is in the guiding cap (15) of steel strand wires (12) one end.
2. the prestressed reinforcement structure according to claim 1 applied to the construction of bridge slope surface pad pier, it is characterised in that: institute
The diameter dimension for stating gas vent steel pipe (5) is 15mm, and the diameter dimension of polyethylene cannula (6) is 70mm, a madjack pipe (14),
The diameter dimension of secondary grouting pipe (16) is respectively 17mm, and the diameter dimension of guiding cap (15) is 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910863970.7A CN110528394A (en) | 2019-09-12 | 2019-09-12 | Prestressed reinforcement structure applied to the construction of bridge slope surface pad pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910863970.7A CN110528394A (en) | 2019-09-12 | 2019-09-12 | Prestressed reinforcement structure applied to the construction of bridge slope surface pad pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110528394A true CN110528394A (en) | 2019-12-03 |
Family
ID=68668530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910863970.7A Pending CN110528394A (en) | 2019-09-12 | 2019-09-12 | Prestressed reinforcement structure applied to the construction of bridge slope surface pad pier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110528394A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720196A (en) * | 2012-06-26 | 2012-10-10 | 浙江省交通规划设计研究院 | Anticorrosive anchor rod capable of preventing slurry from leaking |
| CN104775428A (en) * | 2015-04-23 | 2015-07-15 | 万军利 | Compound-type prestressed anchor cable structure and construction method thereof |
| CN105862858A (en) * | 2016-05-12 | 2016-08-17 | 大连交通大学 | Anchor head structure arranged in concrete slab for anchor retaining wall and construction method for anchor head structure |
| CN106522250A (en) * | 2016-12-30 | 2017-03-22 | 西南交通大学 | Prestress anchoring structure suitable for freeze thawed-slope reinforcement in frozen soil region |
| CN210856958U (en) * | 2019-09-12 | 2020-06-26 | 中交投资南京有限公司 | Be applied to domatic pad mound construction's of bridge prestressing force reinforced structure |
-
2019
- 2019-09-12 CN CN201910863970.7A patent/CN110528394A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720196A (en) * | 2012-06-26 | 2012-10-10 | 浙江省交通规划设计研究院 | Anticorrosive anchor rod capable of preventing slurry from leaking |
| CN104775428A (en) * | 2015-04-23 | 2015-07-15 | 万军利 | Compound-type prestressed anchor cable structure and construction method thereof |
| CN105862858A (en) * | 2016-05-12 | 2016-08-17 | 大连交通大学 | Anchor head structure arranged in concrete slab for anchor retaining wall and construction method for anchor head structure |
| CN106522250A (en) * | 2016-12-30 | 2017-03-22 | 西南交通大学 | Prestress anchoring structure suitable for freeze thawed-slope reinforcement in frozen soil region |
| CN210856958U (en) * | 2019-09-12 | 2020-06-26 | 中交投资南京有限公司 | Be applied to domatic pad mound construction's of bridge prestressing force reinforced structure |
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