CN108005404A - Cylinder underpinning device and construction method - Google Patents
Cylinder underpinning device and construction method Download PDFInfo
- Publication number
- CN108005404A CN108005404A CN201810034336.8A CN201810034336A CN108005404A CN 108005404 A CN108005404 A CN 108005404A CN 201810034336 A CN201810034336 A CN 201810034336A CN 108005404 A CN108005404 A CN 108005404A
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- cuff
- main body
- cylinder
- region
- cuff main
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/06—Separating, lifting, removing of buildings; Making a new sub-structure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The present invention provides a kind of cylinder underpinning device and construction method.The underpinning device includes cuff main body, underpins steelframe, and there is the cuff main body drum stone steps to encircle portion, and the bulging stone steps, which encircles portion, can encircle picking-up drum stone steps, and the cuff main body, which is additionally provided with, walks hole, and the steelframe that underpins is arranged in described walk in hole.Cylinder underpinning device according to the present invention and construction method, can simplify cylinder and underpin process, improve construction efficiency, reduce construction cost and energy consumption, prevent the Secondary Disturbance to building structure.
Description
Technical field
The invention belongs to ancient building repair technical field, and in particular to a kind of cylinder underpinning device and construction method.
Background technology
Traditional cylinder underpinning technique is largely logical by cylinder upper load using increase temporary supporting system such as scaffold etc.
Temporary supporting system part is crossed to be transferred on temporary base, then to cylinder the stone base of a column lower part part earth excavation, transform beams of constructing,
Transform beams are partially submerged into cylinder the stone base of a column lower part.After transform beams are constructed then the earth excavation of the stone base of a column lower part is poured into coagulation
Soil is linked to be entirety with transform beams, is finally reached cylinder and underpins.
Traditional cylinder underpinning technique can only be directed to the less situation of cylinder superstructure load, and superstructure is needed in construction
Multistage reinforce is divided to underpin, and completion rear lower underpinning structure of constructing is not easy to remove, and recovers to have an impact to terrace, and remove
During can cause larger Secondary Disturbance, especially to there is the influence that protection requires building very unfavorable.In superstructure load
On the premise of larger, the control difficulty of precision is increased sharply during jacking underpins, more tight to the Secondary Disturbance phenomenon of structure
Weight.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to provide a kind of cylinder underpinning device and construction method, Neng Goujian
Change cylinder and underpin process, improve construction efficiency, reduce construction cost and energy consumption, prevent the Secondary Disturbance to building structure.
To solve the above-mentioned problems, the present invention provides a kind of cylinder underpinning device, including cuff main body, underpins steelframe, institute
Stating cuff main body, there is drum stone steps to encircle portion, and the bulging stone steps, which encircles portion, can encircle picking-up drum stone steps, and the cuff main body, which is additionally provided with, wears
Row hole, the steelframe that underpins are arranged in described walk in hole.
Preferably, the minimum range between vertical central axis and the cylinder vertical centerline for walking hole is equal to cylinder
Diameter.
Preferably, the underpinning device further includes jacking apparatus, and one end of the jacking apparatus underpins steelframe company with described
Connect, the other end of the jacking apparatus is connected with external structure, and the jacking apparatus can make described underpin described in steelframe drive
Cuff main body is lifted along short transverse, and then makes the cuff main body drive the bulging stone steps to be lifted along short transverse.
Preferably, the cuff main body includes the first halfbody, the second halfbody and connecting component, first halfbody and second
Halfbody is connected as an entirety by the connecting component, so that the cuff main body can encircle picking-up drum stone steps.
Preferably, first halfbody includes the first cuff, the second cuff, and second halfbody includes the 3rd cuff, the
Four cuffs, first cuff, central axis central symmetry of the 3rd cuff on mounting structure on cylinder, described second set
Hoop, central axis central symmetry of the 4th cuff on mounting structure on cylinder, first cuff, the second cuff, the 3rd
Cuff, the 4th cuff are connected as the cuff main body by the connecting component.
Preferably, isolation board is additionally provided with the connection cooperation of two adjacent cuffs, the cuff main body is cut into
One region, second area, the 3rd region, the 4th region, in the first area, second area, the 3rd region, the 4th region all
Equipped with concrete block, the concrete block pours to be formed at the construction field (site).
Preferably, the connecting component includes connecting rod, locking nut, and the connecting rod navigates within the cuff main body,
So that the concrete block in each region can dismantle assembly by adjusting the locking nut at the connecting rod both ends.
Preferably, the connecting component further includes protection sleeve, and the connecting rod is set in protection sleeve, existing to prevent
The concrete block that field pours directly is contacted with the connecting rod.
Preferably, the connecting rod respectively wears four groups at the top of the cuff main body and bottom, the connection at the top
Walk route in bar and be mutually perpendicular to at least two groups, walk route in the connecting rod of the bottom and be mutually perpendicular to at least two groups.
Preferably, the bulging stone steps portion of encircling also has jacking portion, when the cuff main body wales bulging stone steps, the jacking portion
Can jacking live the region below drum stone steps maximum gauge.
Preferably, the bulging stone steps portion of encircling is in the central region of cuff main body, and the central region also has cylinder ring
The portion of embracing, so that the concrete block can encircle the periphery wall in cylinder.
The present invention also provides a kind of cylinder underpinning construction method, is carried out using above-mentioned underpinning device, and step includes：
Excavate the column footings periphery cubic metre of earth；
Construct the external structure；
Install and run the underpinning device；
Remove brick foundation below the cylinder；
Pour new concrete foundation and be allowed to be connected with the external structure finished of having constructed；
Remove the underpinning device；
It is described to install and include the step of running the underpinning device：
The steelframe that underpins is penetrated into described walk in hole.
Preferably, by it is described underpin steelframe penetrate it is described walk the step in hole before it is further comprising the steps of：
Cuff main body is encircled in cylinder and drum stone steps surrounding, and is by cuff main body fastening by the connecting component
One；
Casting concrete in first area, second area, the 3rd region, the 4th region into cuff main body, to be formed
Concrete block, and reserve and walk hole；
By it is described underpin steelframe penetrate it is described walk it is further comprising the steps of after the step in hole：
One end of the jacking apparatus is connected with the steelframe that underpins, the other end of the jacking apparatus is tied with exterior
Structure connects；
Adjusting the jacking apparatus makes the cuff main body along short transverse lifting.
Preferably, coagulation is poured in the first area into cuff main body, second area, the 3rd region, the 4th region
Before soil, further include and cylinder and drum stone steps are wrapped up in into attached step with plastic film.
Cylinder underpinning device provided by the invention and construction method, the underpinning device structure is extremely simple, and operation is extremely
Flexibly, it can greatly simplify cylinder underpinning construction, avoid in the prior art using the cumbersome step of increase temporary supporting system
Suddenly, material is saved, improves construction efficiency, construction cost and energy consumption is reduced, avoids the generation to building structure Secondary Disturbance phenomenon.
Brief description of the drawings
Fig. 1 is the positive structure diagram of the underpinning device of the embodiment of the present invention；
Fig. 2 is the overlooking the structure diagram of cuff main body in Fig. 1；
Fig. 3 is the overlooking the structure diagram of Fig. 1；
Fig. 4 is the left view structural representation of Fig. 1；
Fig. 5 is the signal that column footings periphery cubic metre of earth step is excavated in the cylinder underpinning construction method of the embodiment of the present invention
Figure；
Fig. 6 be the embodiment of the present invention cylinder underpinning construction method in construct external structure step schematic diagram；
Fig. 7 is to be installed in the cylinder underpinning construction method of the embodiment of the present invention and run the schematic diagram of underpinning device step；
The schematic diagram of brick foundation step below main body is removed in the cylinder underpinning construction method of Fig. 8 embodiment of the present invention；
Fig. 9 is the schematic diagram that underpinning device step is removed in the cylinder underpinning construction method of the embodiment of the present invention.
Reference numeral is expressed as：
1st, cuff main body；11st, the first cuff；12nd, the second cuff；13rd, the 3rd cuff；14th, the 4th cuff；15th, hole is walked；
16th, first area；17th, second area；18th, the 3rd region；19th, the 4th region；2nd, steelframe is underpined；3rd, jacking apparatus；4th, connect
Component；41st, connecting rod；42nd, locking nut；5th, isolation board；6th, concrete block；7th, drum stone steps encircles portion；71st, jacking portion；8th, cylinder
Encircle portion；9th, external structure；101st, cylinder；102nd, drum stone steps；103rd, central region.
Embodiment
To simplify narration process, the orientation term such as upper and lower used in present embodiment is being used with the underpinning device
The orientation presented under state is reference.
With reference to shown in referring to Fig. 1 to 4, according to an embodiment of the invention, a kind of cylinder underpinning device, including cuff main body 1,
Steelframe 2 is underpined, there is the cuff main body 1 drum stone steps to encircle portion 7, and the bulging stone steps, which encircles portion 7, can encircle picking-up drum stone steps 102, institute
State cuff main body 1 and be additionally provided with and walk hole 15, the steelframe 2 that underpins is arranged in described walk in hole 15.When in use, by the set
Hoop main body 1 is encircled in the periphery wall of the bulging stone steps 102, by it is described underpin steelframe 2 penetrate it is described walk hole 15, pass through outside at this time
Underpin steelframe 2 described in strength lifting, and then drive 1 lifting of cuff main body, so as to fulfill to the bulging stone steps 102 and thereon
The lifting of cylinder 101, convenience is provided for follow-up construction.Underpinning device structure described in the technical solution is extremely simple,
Operation is extremely flexible, can greatly simplify cylinder underpinning construction, avoids in the prior art using increase temporary supporting system
Tedious steps, save material, improve construction efficiency, reduce construction cost and energy consumption, avoid showing building structure Secondary Disturbance
The generation of elephant.
During Specific construction, it is described underpin the contact surface that steelframe 2 walks hole 15 with described be power on cylinder to
What the cuff main body 1 was transmitted is stressed directly face, if this stress surface is excessive apart from the cylinder vertical centerline, the stress surface
The moment of flexure born will be bigger, unfavorable to the stability of whole device, if this stress surface is apart from the cylinder vertical centerline mistake
It is small, when walk hole 15 open up position it is too low when, underpin steelframe 2 and be then both possible to interfere with the drum stone steps under cylinder, therefore,
Preferably, the minimum range between vertical central axis and the cylinder vertical centerline for walking hole 15 is equal to the diameter of cylinder.
Preferably, the underpinning device further includes jacking apparatus 3, and one end of the jacking apparatus 3 underpins steelframe 2 with described
Connection, the other end of the jacking apparatus 3 is connected with external structure 9, the jacking apparatus 3 can make described in underpin 2 band of steelframe
Move the cuff main body 1 to lift along short transverse, and then the cuff main body 1 is driven the bulging stone steps 102 along short transverse liter
Drop.For construction site, the jacking apparatus 3 of this technical solution is preferably jack, and the telescopic rod of the jack is free
The lower surface of steelframe 2 is underpined described in the abutting of end face, the base of the jack is seated in the external structure 9, certainly, described outer
Portion's structure 9 is usually pallet beam, in theory, as long as can bear the power of jack conduction and with the lower section of bulging stone steps 102
Basic relatively independent external structure 9.When in use, adjusting the jack extends its telescopic rod, support thereon
Change steelframe 2 to be lifted, so as to fulfill the lifting of cylinder 101 to the bulging stone steps 102 and thereon, work progress simplifies, is constructed into
This is further reduced.
Preferably, the cuff main body 1 includes the first halfbody, the second halfbody and connecting component 4, first halfbody and
Two halfbodies are connected as an entirety by the connecting component 4, so that the cuff main body 1 can encircle picking-up drum stone steps 102.Institute
Stating the first halfbody includes the first cuff 11, the second cuff 12, and second halfbody includes the 3rd cuff 13, the 4th cuff 14, institute
State the first cuff 11, central axis central symmetry of the 3rd cuff 13 on mounting structure on cylinder 101, second cuff
12nd, central axis central symmetry of the 4th cuff 14 on mounting structure on cylinder 101,11, second sets of first cuff
The 12, the 3rd cuff 13 of hoop, the 4th cuff 14 are connected as the cuff main body 1 by the connecting component 4.The technical solution is due to adopting
The cuff main body 1 is pieced together with least two cuffs, makes the dismounting of the cuff main body 1 and the bulging stone steps 102 more just
Profit.
Preferably, isolation board 5 is additionally provided with the connection cooperation of two adjacent cuffs, is cut into the cuff main body 1
First area 16, second area 17, the 3rd region 18, the 4th region 19, the first area 16, second area 17, the 3rd area
Concrete block 6 is all equipped with domain 18, the 4th region 19, the concrete block 6 pours to be formed at the construction field (site).The technical side
In case by the way of concrete block described in cast in situs 6, gather materials on the spot, make construction technology more flexible, the isolation board 5
The phenomenon that the concrete block 6 is bonded to one another caused by poured in place concrete can be avoided to occur, dismounting is flexible, after elimination
Non-detachable drawback after the completion of continuous construction.
Preferably, the connecting component 4 includes connecting rod 41, locking nut 42, and the connecting rod 41 navigates within the set
Main body 1 is bound round, so that the concrete block 6 in each region can be torn open by adjusting the locking nut 42 at 41 both ends of connecting rod
Unload assembly.Connecting rod 41 in the technical solution can be by the way of common screw thread round steel both ends processing screw thread in architectural process
Formed, materials facility, reduces construction cost.Preferably, the connecting component 4 further includes protection sleeve, the connecting rod 41
It is set in protection sleeve, to prevent the concrete 6 of cast in situs from directly being contacted with the connecting rod 41, after convenient construction
Disassembly process.
To ensure the intensity of the concrete block 6 of cast in situs formation, it is preferable that the connecting rod 41 is in the cuff main body
1 top and bottom respectively wear four groups, walk route in the connecting rod 41 at the top and are mutually perpendicular to at least two groups, the bottom
Walk route in the connecting rod 41 in portion and be mutually perpendicular to at least two groups, it is described walk hole 15 be in the connecting rod 41 at the top with
Region between the connecting rod 41 of the bottom, such a processing mode, on the one hand can play connection first cuff 11, the
The effect of two cuffs 12, the 3rd cuff 13, the 4th cuff 14, the structure that on the other hand can also lift the cuff main body 1 are strong
Degree, improves the reliability of device.
Preferably, the bulging stone steps, which encircles portion 7, also has jacking portion 71, when the cuff main body 1 wales bulging stone steps 102, institute
State jacking portion 71 can jacking live the region below drum stone steps 102 maximum gauge, bulging stone steps described at this time encircles portion 7 and the bulging stone steps
102 encircle is more firm, the cuff main body 1 with the bulging stone steps 102 is lifted process relatively reliable.
Preferably, the bulging stone steps encircles the central region 103 that portion 7 is in cuff main body 1, and the central region 103 also has
There is cylinder to encircle portion 8, so that the concrete block 6 can be encircled in the periphery wall of cylinder 101, the cylinder ring in the technical solution
The cylinder 101 that banding is located on the bulging stone steps 102 can be encircled by embracing portion 8, improve the underpinning device during lifting
The stability of the cylinder 101, can effectively prevent the hidden danger toppled due to cylinder 101 caused by jacking process shakiness.
As shown in Fig. 5 to 9, the present invention also provides a kind of cylinder underpinning construction method, is carried out using above-mentioned underpinning device, step
Suddenly include：
Excavate the 101 basal perimeter earthwork of cylinder；
Construct the external structure 9；
Install and run the underpinning device, at this time, the transfer route for the power that cylinder top-out is applied is：Building →
Cylinder 101 → drum 102 → cuff of stone steps main body 1 → walks hole 15 → underpin 2 → jacking apparatus of steelframe, 3 → external structure 9；
Remove the 101 lower section brick foundation of cylinder；
Pour new concrete foundation and be allowed to be connected with the external structure 9 finished of having constructed；
Remove the underpinning device；
It is described to install and include the step of running the underpinning device：
The steelframe 2 that underpins is penetrated into described walk in hole 15.
Preferably, by it is described underpin steelframe 2 penetrate it is described walk the step in hole 15 before it is further comprising the steps of：
Cuff main body 1 is encircled in cylinder 101 and drum stone steps 102 surrounding, and by the connecting component 4 by the cuff master
Body 1 is fastened as a whole；
Coagulation is poured in first area 16, second area 17, the 3rd region 18, the 4th region 19 into cuff main body 1
Soil, to form concrete block 6, and reserves and walks hole 15；
By it is described underpin steelframe 2 penetrate it is described walk it is further comprising the steps of after the step in hole 15：
One end of the jacking apparatus 3 is connected with the steelframe 2 that underpins, by the other end of the jacking apparatus 3 and outside
Portion's structure 9 connects；
Adjusting the jacking apparatus 3 makes the cuff main body 1 along short transverse lifting.
Preferably, in the first area 16 into cuff main body 1, second area 17, the 3rd region 18, the 4th region 19
Before casting concrete, destroyed, further included to prevent the cylinder 101 and drum stone steps 102 and the concrete binding that pours
Cylinder 101 and drum stone steps 102 are wrapped up in into attached step with plastic film.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should all be included in the protection scope of the present invention.Above only
It is the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from this hair
On the premise of bright technical principle, some improvement and modification can also be made, these improvements and modifications also should be regarded as the guarantor of the present invention
Protect scope.
Claims (13)
1. a kind of cylinder underpinning device, it is characterised in that including cuff main body (1), underpin steelframe (2), the cuff main body (1)
Portion (7) is encircled with drum stone steps, the bulging stone steps, which encircles portion (7), can encircle picking-up drum stone steps (102), and the cuff main body (1) also sets
Hole (15) is walked, the steelframe (2) that underpins is arranged in described walk in hole (15).
2. underpinning device according to claim 1, it is characterised in that the vertical central axis and column for walking hole (15)
Minimum range between body vertical centerline is equal to the diameter of cylinder.
3. underpinning device according to claim 1 or 2, it is characterised in that further include jacking apparatus (3), the jacking dress
The one end for putting (3) is connected with the steelframe (2) that underpins, and the other end of the jacking apparatus (3) is connected with external structure (9), institute
Stating jacking apparatus (3) can make the steelframe (2) that underpins drive the cuff main body (1) to be lifted along short transverse, and then make institute
Stating cuff main body (1) drives the bulging stone steps (102) to be lifted along short transverse.
4. underpinning device according to claim 3, it is characterised in that the cuff main body (1) includes the first halfbody, second
Halfbody and connecting component (4), first halfbody and the second halfbody are connected as an entirety by the connecting component (4), with
Make the cuff main body (1) that picking-up drum stone steps (102) can be encircled.
5. underpinning device according to claim 4, it is characterised in that first halfbody includes the first cuff (11), the
Two cuffs (12), second halfbody include the 3rd cuff (13), the 4th cuff (14), first cuff (11), the 3rd set
Bind round the central axis central symmetry of (13) on mounting structure on cylinder (101), second cuff (12), the 4th cuff
(14) the central axis central symmetry on mounting structure on cylinder (101), first cuff (11), the second cuff
(12), the 3rd cuff (13), the 4th cuff (14) are connected as the cuff main body (1) by the connecting component (4).
6. underpinning device according to claim 5, it is characterised in that be additionally provided with the connection cooperation of two adjacent cuffs
Isolation board (5), makes the cuff main body (1) be cut into first area (16), second area (17), the 3rd region (18), the 4th
Region (19), is all equipped with coagulation in the first area (16), second area (17), the 3rd region (18), the 4th region (19)
Soil block (6), the concrete block (6) pour to be formed at the construction field (site).
7. underpinning device according to claim 6, it is characterised in that the connecting component (4) includes connecting rod (41), lock
Tight nut (42), the connecting rod (41) navigates within the cuff main body (1), so that the concrete block (6) in each region
Locking nut (42) by adjusting the connecting rod (41) both ends can dismantle assembly, it is preferable that the connecting component (4) is also
Including protect sleeve, the connecting rod (41) be set in protection sleeve in, with prevent the concrete block of cast in situs (6) with it is described
Connecting rod (41) directly contacts.
8. underpinning device according to claim 7, it is characterised in that the connecting rod (41) is in the cuff main body (1)
Top and bottom respectively wear four groups, walk route in the connecting rod (41) at the top and be mutually perpendicular to at least two groups, it is described
Walk route in the connecting rod (41) of bottom and be mutually perpendicular to at least two groups.
9. underpinning device according to claim 1, it is characterised in that the bulging stone steps, which encircles portion (7), also has jacking portion
(71), when the cuff main body (1) wales bulging stone steps (102), the jacking portion (71) can jacking to live drum stone steps (102) maximum straight
Region below footpath.
10. according to the underpinning device described in any one in claim 1,2,4 to 9, it is characterised in that the bulging stone steps encircles portion
(7) central region (103) of cuff main body (1) is in, the central region (103) also there is cylinder to encircle portion (8), so that institute
Stating concrete block (6) can encircle in the periphery wall of cylinder (101).
11. a kind of cylinder underpinning construction method, it is characterised in that using underpining described in any one in claims 1 to 10
Device, step include：
Excavate the cylinder (101) basal perimeter earthwork；
External structure of constructing (9)；
Install and run the underpinning device；
Remove brick foundation below the cylinder (101)；
Pour new concrete foundation and be allowed to be connected with the external structure (9) finished of having constructed；
Remove the underpinning device；
It is described to install and include the step of running the underpinning device：
The steelframe (2) that underpins is penetrated into described walk in hole (15).
12. construction method according to claim 11, it is characterised in that the steelframe (2) that underpins is being penetrated into described wear
It is further comprising the steps of before step in row hole (15)：
Cuff main body (1) is encircled in cylinder (101) and drum stone steps (102) surrounding, and by the connecting component (4) by the set
Hoop main body (1) is fastened as a whole；
Poured in first area (16), second area (17), the 3rd region (18), the 4th region (19) into cuff main body (1)
Concrete is built, to form concrete block (6), and reserves and walks hole (15)；
By it is described underpin steelframe (2) penetrate it is described walk it is further comprising the steps of after the step in hole (15)：
One end of the jacking apparatus (3) is connected with the steelframe (2) that underpins, by the other end of the jacking apparatus (3) with
External structure (9) connects；
Adjusting the jacking apparatus (3) makes the cuff main body (1) along short transverse lifting.
13. construction method according to claim 12, it is characterised in that in the first area into cuff main body (1)
(16), further include before casting concrete in second area (17), the 3rd region (18), the 4th region (19) and use plastic film
Cylinder (101) and drum stone steps (102) are wrapped up in into attached step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810034336.8A CN108005404B (en) | 2018-01-15 | 2018-01-15 | Column underpinning device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810034336.8A CN108005404B (en) | 2018-01-15 | 2018-01-15 | Column underpinning device and construction method |
Publications (2)
| Publication Number | Publication Date |
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| CN108005404A true CN108005404A (en) | 2018-05-08 |
| CN108005404B CN108005404B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810034336.8A Active CN108005404B (en) | 2018-01-15 | 2018-01-15 | Column underpinning device and construction method |
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| CN103982054A (en) * | 2014-05-26 | 2014-08-13 | 山东建筑大学 | Assembly type steel underpinning device for concrete column underpinning and application thereof |
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| CN207905380U (en) * | 2018-01-15 | 2018-09-25 | 上海建工四建集团有限公司 | Cylinder underpinning device |
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2018
- 2018-01-15 CN CN201810034336.8A patent/CN108005404B/en active Active
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| CN2490261Y (en) * | 2001-08-15 | 2002-05-08 | 江苏东大特种基础工程有限公司 | Device for changing and supporting post of house by structural steel |
| CN101429819A (en) * | 2007-11-07 | 2009-05-13 | 上海天演建筑物移位工程有限公司 | Wall and column underpinning method |
| CN103982054A (en) * | 2014-05-26 | 2014-08-13 | 山东建筑大学 | Assembly type steel underpinning device for concrete column underpinning and application thereof |
| CN106703437A (en) * | 2016-12-02 | 2017-05-24 | 镇江中谊抗震科技股份有限公司 | Shock-insulation underpinning structure and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN108005404B (en) | 2023-05-23 |
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