CN106836281A - A kind of precast concrete segment height adjustment mechanism and regulation construction method - Google Patents
A kind of precast concrete segment height adjustment mechanism and regulation construction method Download PDFInfo
- Publication number
- CN106836281A CN106836281A CN201710094535.3A CN201710094535A CN106836281A CN 106836281 A CN106836281 A CN 106836281A CN 201710094535 A CN201710094535 A CN 201710094535A CN 106836281 A CN106836281 A CN 106836281A
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- Prior art keywords
- precast concrete
- concrete segment
- shaped
- tubing
- jack
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- 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.)
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 44
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 230000033228 biological regulation Effects 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 239000004567 concrete Substances 0.000 claims abstract description 29
- 238000002347 injection Methods 0.000 claims abstract description 3
- 239000007924 injection Substances 0.000 claims abstract description 3
- 238000011017 operating method Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
Abstract
The present invention relates to a kind of precast concrete segment height adjustment mechanism and regulation construction method, adjustment mechanism includes:Reaction frame and the support post being arranged on the inside of reaction frame;Reaction frame is combined by a back-off U-shaped steelframe and two L-shaped steelframes, and two free ends that two L-shaped steelframes are connected to U-shaped steelframe form a few font reaction frames;Support post is engaged on reaction frame inside top by a jack.Regulation construction method includes excavating the ground at precast concrete segment sinking position, and tubing and concrete pad are solidified out into one;Support post is inserted in tubing, and jack, U-shaped steelframe and L-shaped steelframe are installed successively, it is ensured that two counter-force pin are located at the lower section of precast concrete segment;Start jack, by reaction frame by precast concrete segment lifting, then to the precast concrete segment lower section injection concrete after lifting;U-shaped girder steel, jack and support post, the precast concrete segment ground filling-in of excavation are removed after solidification successively.
Description
Technical field
A kind of adjustment mechanism after being settled the present invention relates to precast concrete segment, more particularly to underground structure is pre-
Concrete segment height adjustment mechanism processed and regulation construction method.
Background technology
With the further investigation to prefabricated construction, prefabricated construction is answered in increasing engineering
With.In underground, prefabricated construction is also widely used in journey altogether at present, for example pipe gallery, underpass,
There is application in subway tunnel.Prefabricated construction is for cast-in-place monolithic construction, and overall performance is poor, water proofing property
It is relatively weak.After the ground of structure is settled, piece easily opens between containing piece, in causing Groundwater infiltration structure.
For now, after the precast concrete segment of underground structure is settled, generally using to there is seepage
The method that position is blocked, but the operation later to structure and using all there is hidden danger.
In view of there is the research of settlement issues to underground structure, the present inventor is more based on such product design manufacture is engaged in
Practical experience and professional knowledge that year enriches, and coordinate the utilization of scientific principle, actively it is subject to research and innovation, it is a kind of new to found
Precast concrete segment height adjustment mechanism and its making and installation method, improve the usage safety performance of connection member, make it
With more practicality.By constantly research, design, and after studying sample repeatedly and improving, really tool is created finally practical
The present invention of value.
The content of the invention
It is a primary object of the present invention to, adjust difficult after overcoming underground structure to settle, and provide a kind of new pre-
Concrete segment height adjustment mechanism processed and its making and installation method, improve key position be connected firmly performance and rationally
Force transferring structure system, thus more suitable for practicality, and with the value in industry.
To reach above-mentioned purpose, a kind of technical scheme that the present invention is used for:A kind of precast concrete segment is highly adjusted
Mechanism, it is characterised in that including:Reaction frame and the support post being arranged on the inside of reaction frame, the support post periphery set
It is provided with tubing;
The reaction frame is combined by a back-off U-shaped steelframe and two L-shaped steelframes, and two L-shaped steelframes are connected to
Two free ends of the U-shaped steelframe form the reaction frame of several fonts, and two L-shaped steelframes turn up towards the U-shaped steelframe both sides
Form two counter-force pin;
The support post is engaged on the reaction frame inside top of several fonts by a jack.
In a preferred embodiment of the present invention, the support post is the steel pipe that two ends are welded with circular steel plate, circular steel
Size of the size of plate respectively with jack and tubing is corresponding.
In a preferred embodiment of the present invention, the tubing is pvc pipe.
In a preferred embodiment of the present invention, the bottom of the tubing and support post carries concrete pad.
In a preferred embodiment of the present invention, high-strength bolt and connection are passed through between the U-shaped steelframe and the L-shaped steelframe
Steel plate links together.
Another technical scheme that uses of the present invention for:The precast concrete segment that a kind of use height adjustment mechanism is carried out
Regulation construction method, it is characterised in that including following operating procedure:
(1)Excavate the ground at precast concrete segment sinking position, in the ground constructing concrete cushion block of ground, by tubing with it is mixed
Solidifying soil cushion block solidifies out into one;
(2)Support post is inserted in tubing, and jack, U-shaped steelframe and L-shaped steelframe are installed successively, it is ensured that two counter-force pin
Positioned at the lower section of the precast concrete segment, the structure of counter-force pin pop-up precast concrete segment is formed;
(3)Start jack reinforcing, by reaction frame by precast concrete segment lifting, and be raised to designed elevation, Ran Houxiang
Precast concrete segment lower section injection concrete after lifting;
(4)After concrete setting, U-shaped girder steel, jack and support post are removed successively, then casting concrete, will excavate
Precast concrete segment ground filling-in.
In a preferred embodiment of the present invention, the concrete in step 3 is rapid hardening expansive concrete.
In a preferred embodiment of the present invention, the step(4)Middle tubing and L-shaped girder steel stay in concrete.
The present invention solves defect present in background technology, and the present invention possesses following beneficial effect:Mechanism's knot of the present invention
Structure is simple, practical.After being settled for Structural Engineerings such as underground pipe gallery, passage, tunnels, without excavating earth surface road surface, not shadow
Ground road structure and vehicle pass-through are rung, with actual application value.The counter-force of precast concrete segment height adjustment mechanism
Frame uses several glyph constructions of combined type, is formed by connecting by high-strength bolt and steel plate.The component for settling is adjusted to appropriate position
Put, after pouring rapid hardening expansive concrete and final set, high-strength bolt can be dismantled, and by U-shaped girder steel, jack and support
Column is removed, and only stays in concrete tubing and L-shaped girder steel, and cannot be taken out.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples;
Fig. 1 is precast concrete segment height adjustment mechanism structural representation;
In figure:1st, jack, 2, support post, 3, tubing, 4, U-shaped girder steel, 5, L-shaped girder steel, 6. high-strength bolt, 7, connection steel
Plate, 8. precast concrete segment, 9, concrete pad.
Specific embodiment
Further to illustrate the present invention to reach technological means and effect that predetermined goal of the invention is taken, to according to this
Invent the bolt-type support connecting structure that proposes and its make and installation method its specific embodiment, feature and its effect, in detail
Describe in detail bright as after.
Precast concrete segment height adjustment mechanism schematic diagram of the invention as shown in Figure 1, includes jack 1, supports
Column 2, tubing 3, U-shaped girder steel 4, L-shaped girder steel 5, high-strength bolt 6 and junction steel plate 7.
The main structure body of the height adjustment mechanism of precast concrete segment 8 is by jack 1, support post 2 and a few font counter-forces
Frame, wherein jack 1 are placed on support post 2, and the two ends of support post 2 are circular steel plate, one end is larger and the other end compared with
Small, by the small end insertion tubing 3 of support post 2, the end of tubing 3 is concrete pad 9, to strengthen the stabilization of the mechanism
Property.A few font reaction frames are arranged on jack 1, constitute the height adjustment mechanism of precast concrete segment 8.
The height adjustment mechanism of precast concrete segment 8 has U-shaped girder steel 4, L-shaped girder steel 5 to pass through high-strength bolt 6 and junction steel plate
7 are formed by connecting, and perforate is left in the end of U-shaped girder steel 4 and L-shaped girder steel 5, and its number of openings and position meet intensity requirement,
Perforate is left in relevant position on junction steel plate 7, and its number of openings and position are corresponding with U-shaped girder steel 4 and L-shaped girder steel 5.First will
U-shaped girder steel 4 is installed on jack 1, secondly L-shaped girder steel 5 is inserted the lower section of precast concrete segment 8 for settling, finally
U-shaped girder steel 4 and L-shaped girder steel 5 are connected into a few font reaction frames with high-strength bolt 6 and junction steel plate 7.
Reinforced by jack 1, counter-force rack position obtains lifting, and then drives the position of precast concrete segment 8 continuous
Lifting, behind position adjustment to the suitable position of the precast concrete segment 8 for settling, stops reinforcing, keeps pressure not
Become.By Grouting Pipe to rapid hardening expansive concrete is injected in its ground space, after band concrete setting, by high-strength bolt 6
Dismounting, then removes junction steel plate 7, U-shaped girder steel 4, jack 1 and support post 2 etc..
The preparation method of the height adjustment mechanism of precast concrete segment of the invention 8, including following operating procedure,
(1)Support post 2 is prepared, preparation method is to weld circular steel plate at the two ends of steel pipe, and steel plate is that one end is larger, the other end
Smaller, its size is corresponding with the size of tubing 3 and jack 1;
(2)Tubing 2 is prepared, by tubing insertion concrete pad 9, one is solidified out into;
(3)Prepare U-shaped girder steel 4, L-shaped girder steel 5 and in the end perforate of girder steel;
(4)Junction steel plate 7 is prepared, and in the relevant position perforate of steel plate 7.
The installation method of bolt-type support connecting structure of the invention, including following operating procedure,
(1)The ground at the sinking position of precast concrete segment 8 is excavated, and earth foundation surface is compacted smooth;
(2)Tubing 3 is placed on ground;
(3)During support post 2 inserted into tubing 3;
(4)Jack 1 is placed on support post;
(5)U-shaped girder steel 4 is placed on jack;
(6)U-shaped girder steel 4 and L-shaped girder steel 5 are connected into a few font reaction frames with high-strength bolt 6 and steel plate 7;
(7)Hydraulic jack 1 is reinforced, and by reaction frame by the lifting of precast concrete segment 8, and is raised to designed elevation;
(8)Rapid hardening expansive concrete is injected by Grouting Pipe;
(9)After concrete setting, high-strength bolt 6 is unloaded, and jack 1, U-shaped girder steel 4 and support post 3 are removed;
(10)Do second coagulation soil to pour, superficial compaction is floating, complete construction.
The above, is only presently preferred embodiments of the present invention, and any formal limitation is not made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when making a little change or modification using the technology contents of the disclosure above
It is the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, according to technical spirit of the invention
Any simple modification, equivalent variations and the modification made to above example, still fall within the range of technical solution of the present invention.
Claims protection of this part patent of invention is two themes of governor motion and construction method, therefore patent
Title preferably makes also to include that two themes, as subject, otherwise need to delete claim 1-5 that changing can be than larger.
Claims (8)
1. a kind of precast concrete segment height adjustment mechanism, it is characterised in that including:Reaction frame and it is arranged in reaction frame
The support post of side, the support post periphery is arranged with tubing;
The reaction frame is combined by a back-off U-shaped steelframe and two L-shaped steelframes, and two L-shaped steelframes are connected to
Two free ends of the U-shaped steelframe form the reaction frame of several fonts, and two L-shaped steelframes turn up towards the U-shaped steelframe both sides
Form two counter-force pin;
The support post is engaged on the reaction frame inside top of several fonts by a jack.
2. precast concrete segment height adjustment mechanism according to claim 1, it is characterised in that:The support post is
Two ends are welded with the steel pipe of circular steel plate, and the size of the size of circular steel plate respectively with jack and tubing is corresponding.
3. precast concrete segment height adjustment mechanism according to claim 1, it is characterised in that:The tubing is PVC
Pipe.
4. precast concrete segment height adjustment mechanism according to claim 1, it is characterised in that:The tubing and support
The bottom of column carries concrete pad.
5. precast concrete segment height adjustment mechanism according to claim 1, it is characterised in that:The U-shaped steelframe with
Linked together by high-strength bolt and junction steel plate between the L-shaped steelframe.
6. the precast concrete section that a kind of height adjustment mechanism using as described in any claim in claim 1-5 is carried out
Section regulation construction method, it is characterised in that including following operating procedure:
(1)Excavate the ground at precast concrete segment sinking position, in the ground constructing concrete cushion block of ground, by tubing with it is mixed
Solidifying soil cushion block solidifies out into one;
(2)Support post is inserted in tubing, and jack, U-shaped steelframe and L-shaped steelframe are installed successively, it is ensured that two counter-force pin
Positioned at the lower section of the precast concrete segment, the structure of counter-force pin pop-up precast concrete segment is formed;
(3)Start jack reinforcing, by reaction frame by precast concrete segment lifting, and be raised to designed elevation, Ran Houxiang
Precast concrete segment lower section injection concrete after lifting;
(4)After concrete setting, U-shaped girder steel, jack and support post are removed successively, then casting concrete, will excavate
Precast concrete segment ground filling-in.
7. regulation construction method according to claim 1, it is characterised in that:Concrete in step 3 is received for rapid hardening is compensated
Contracting concrete.
8. regulation construction method according to claim 1, it is characterised in that:The step(4)Middle tubing and L-shaped girder steel are stayed
In concrete.
Priority Applications (1)
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CN201710094535.3A CN106836281A (en) | 2017-02-21 | 2017-02-21 | A kind of precast concrete segment height adjustment mechanism and regulation construction method |
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CN201710094535.3A CN106836281A (en) | 2017-02-21 | 2017-02-21 | A kind of precast concrete segment height adjustment mechanism and regulation construction method |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110666404A (en) * | 2019-10-11 | 2020-01-10 | 郭新 | Auxiliary equipment for refitting of logistics freight semitrailer carriage |
CN110761330A (en) * | 2019-10-25 | 2020-02-07 | 中铁第四勘察设计院集团有限公司 | Integral construction method for mud-water balance open caisson station in soft soil area |
CN111926861A (en) * | 2020-09-15 | 2020-11-13 | 中冶京诚工程技术有限公司 | Comprehensive pipe gallery sinking section with support and assembling method |
CN112144427A (en) * | 2020-10-27 | 2020-12-29 | 南京工业大学 | Prefabricated culvert on-site dislocation adjusting device and method |
CN112302253A (en) * | 2020-10-29 | 2021-02-02 | 中国人民解放军63926部队 | H-shaped steel column adjusting method |
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JPH10280427A (en) * | 1997-03-31 | 1998-10-20 | Fujio Itagaki | Correction device and method for correcting settlement of building |
CN102277980A (en) * | 2011-05-06 | 2011-12-14 | 河海大学 | Device for integrally jacking roof of single-layer industrial factory building and construction method thereof |
CN104847128A (en) * | 2015-04-24 | 2015-08-19 | 深圳市苏勘岩土工程有限公司 | Material-saving repair method for lifting and leveling floor and floor lifting structure |
CN206486912U (en) * | 2017-02-21 | 2017-09-12 | 安徽省高迪环保股份有限公司 | Precast concrete settles adjusting apparatus |
-
2017
- 2017-02-21 CN CN201710094535.3A patent/CN106836281A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10280427A (en) * | 1997-03-31 | 1998-10-20 | Fujio Itagaki | Correction device and method for correcting settlement of building |
CN102277980A (en) * | 2011-05-06 | 2011-12-14 | 河海大学 | Device for integrally jacking roof of single-layer industrial factory building and construction method thereof |
CN104847128A (en) * | 2015-04-24 | 2015-08-19 | 深圳市苏勘岩土工程有限公司 | Material-saving repair method for lifting and leveling floor and floor lifting structure |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110666404A (en) * | 2019-10-11 | 2020-01-10 | 郭新 | Auxiliary equipment for refitting of logistics freight semitrailer carriage |
CN110666404B (en) * | 2019-10-11 | 2021-10-01 | 山东恩信特种车辆制造有限公司 | Auxiliary equipment for refitting of logistics freight semitrailer carriage |
CN110761330A (en) * | 2019-10-25 | 2020-02-07 | 中铁第四勘察设计院集团有限公司 | Integral construction method for mud-water balance open caisson station in soft soil area |
CN110761330B (en) * | 2019-10-25 | 2021-06-22 | 中铁第四勘察设计院集团有限公司 | Integral construction method for mud-water balance open caisson station in soft soil area |
CN111926861A (en) * | 2020-09-15 | 2020-11-13 | 中冶京诚工程技术有限公司 | Comprehensive pipe gallery sinking section with support and assembling method |
CN112144427A (en) * | 2020-10-27 | 2020-12-29 | 南京工业大学 | Prefabricated culvert on-site dislocation adjusting device and method |
CN112302253A (en) * | 2020-10-29 | 2021-02-02 | 中国人民解放军63926部队 | H-shaped steel column adjusting method |
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Application publication date: 20170613 |
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