CN107060348A - A kind of jacking adjusting apparatus for high-altitude wire frame - Google Patents
A kind of jacking adjusting apparatus for high-altitude wire frame Download PDFInfo
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- CN107060348A CN107060348A CN201710455741.2A CN201710455741A CN107060348A CN 107060348 A CN107060348 A CN 107060348A CN 201710455741 A CN201710455741 A CN 201710455741A CN 107060348 A CN107060348 A CN 107060348A
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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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
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Abstract
The present invention relates to Construction of The Grids equipment technical field, disclose a kind of jacking adjusting apparatus for high-altitude wire frame, including supporting construction, supporting construction bottom is provided with actuating unit, top and is provided with bearing structure, and actuating unit can promote supporting construction and bearing structure to move up；Bearing structure includes square weight tray, the perpendicular support of carrying and four diagonal braces, and the perpendicular support one end of carrying is arranged at weight tray center, and diagonal brace one end be connected with carrying perpendicular support end, connection at four angles of another end and weight tray；Supporting construction includes top layer, lower layer support framework, top layer support frame includes the perpendicular support of four supports, square support top plate, support beam, web beam, diagonal brace and strengthens perpendicular support, and lower layer support framework includes four supports perpendicular support, support beam, diagonal brace and stull.Structural strength of the present invention is good, stability is good, can realize the integral jacking regulation to high-altitude wire frame and move horizontally regulation.
Description
Technical field
The present invention relates to Construction of The Grids equipment technical field, more particularly to a kind of jacking for high-altitude wire frame adjusts dress
Put.
Background technology
Now with the continuous application and development of space structure, steel grid structure is because of its reasonable stress, Stability Analysis of Structures, moulding
It is attractive in appearance, it has also become a kind of indispensable representative roof structure form of today's society；After the completion of rack integral installation, often
Setting height(from bottom) can be run into not up to standard, or, client wishes that the setting height(from bottom) reached is higher than the setting height(from bottom) of preconsolidation stress the later stage, this
When can not possibly all tear open and reinstalled, best mode is exactly the setting height(from bottom) of integrated regulation rack, meanwhile, rack weight
Greatly, it is necessary to have enough strength and stabilities for the adjusting apparatus being related to；In addition, it is also possible that the horizontal position of whole rack
Put and error occur, or the later stage have modified the horizontal installation position of planning, this integral level movement that will be related to rack is asked
Inscribe.
The content of the invention
The technical problems to be solved by the invention are：It is used for high-altitude wire frame there is provided one kind for above-mentioned problem
Jacking adjusting apparatus, structural strength is good, stability is good, can realize to the regulation of the integral jacking of high-altitude wire frame and move horizontally
Regulation.
The technical solution adopted by the present invention is as follows：A kind of jacking adjusting apparatus for high-altitude wire frame, including supporting construction,
The supporting construction bottom is provided with actuating unit, top and is provided with bearing structure, and the actuating unit can promote supporting construction
Moved up with bearing structure；
The bearing structure includes the weight tray of square, the perpendicular support of carrying and diagonal brace, and the perpendicular support one end of the carrying is fixedly installed
In weight tray center, the diagonal brace is four, and one end of four diagonal braces is fixedly connected with the perpendicular support end of carrying, another end point
It is not fixedly connected with four angles of square weight tray, forms a pyramid structure；
The supporting construction includes top layer support frame and lower layer support framework, top layer support frame include the perpendicular support of four supports and
Support beam is fixedly installed between the roof supporting of square, the upper end of the perpendicular support of adjacent supports, the roof supporting is fixed and set
Put on the support beam top, the perpendicular support of four supports correspond at four angles of square support top plate, the perpendicular support of adjacent supports
Bottom between be also fixedly installed support beam, and pass through a web beam in the middle part of the front and rear support beam of bottom and fix and connect
It is connected together, one is fixedly installed between the roof supporting and web beam and strengthens perpendicular support, strengthens perpendicular support one end and support
Top plate center is fixedly connected, and another end is fixedly connected with web beam upper end.
A kind of jacking adjusting apparatus for high-altitude wire frame of the present invention, it is described in the top layer support frame
Strengthen erecting and be fixedly installed between support end and four perpendicular support middle parts of support in diagonal brace, bottom and four perpendicular supports of support
Also diagonal brace is fixedly installed between portion.
A kind of jacking adjusting apparatus for high-altitude wire frame of the present invention, the lower layer support framework includes four branch
It is fixedly installed in the middle part of support beam, the support beam and adjacent supports between the perpendicular support of support, the bottom of the perpendicular support of adjacent supports
Diagonal brace is fixedly installed between perpendicular support top, adjacent support is fixedly installed stull between perpendicular support top.
Front and rear branch on a kind of jacking adjusting apparatus for high-altitude wire frame of the present invention, the lower layer support framework
It is removably secured between the middle part for supportting crossbeam and is provided with bearing beam, with actuating unit top in the middle part of the bearing beam lower end
It is removably secured connection.
A kind of jacking adjusting apparatus for high-altitude wire frame of the present invention, the support beam is I-steel, in work
Boss is fixedly installed perpendicular to groove bottom surface in the groove of word steel both sides, boss is contacted with three faces of groove, described
Boss is placed equidistant along the support beam length direction.
A kind of jacking adjusting apparatus for high-altitude wire frame of the present invention, the length of side of the square weight tray
It is identical with the length of side of the square roof supporting.
A kind of jacking adjusting apparatus for high-altitude wire frame of the present invention, between the weight tray and roof supporting
Roller is provided with, supporting construction top, roller and bearing structure bottom are fixed together by locking mechanism, work as locking
When mechanism releases are locked, bearing structure is free in the horizontal direction relative to supporting construction.
A kind of jacking adjusting apparatus for high-altitude wire frame of the present invention, four supports of the top layer support frame
Perpendicular support and four supports of lower layer support framework are perpendicular, and support is corresponding is fixed together, the support in top layer support frame is erected support under
The perpendicular support upper and lower part of support that portion is provided with stiffener plate, lower layer support framework is provided with stiffener plate, top layer branch
Support the stiffener plate company of being bolted respectively of stiffener plate and each self-corresponding lower layer support framework upper of lower frame
It is connected to same link of boards plate.
A kind of jacking adjusting apparatus for high-altitude wire frame of the present invention, if the lower layer support framework is dried layer,
The corresponding support of each layer lower layer support framework is erected support and is fixed together, and supports perpendicular support upper and lower part is corresponding to add
It is fixed together between strengthening tendons plate by link of boards plate.
A kind of jacking adjusting apparatus for high-altitude wire frame of the present invention, the actuating unit is jack, very heavy
Top top, which has in the middle part of very heavy top plate, the very heavy top plate, has locating slot, and the bearing beam is I-steel, in I-steel two
Boss is fixedly installed perpendicular to groove bottom surface in the groove of side, boss is contacted with three faces of groove, the boss
It is placed equidistant along the bearing beam length direction, there is locating convex block, the locating convex block in the middle part of the bearing beam lower end
Can just it stick into the locating slot, the very heavy top plate both sides are fixed by gripping block with bearing beam both sides.
Compared with prior art, having the beneficial effect that using above-mentioned technical proposal：Compact conformation of the present invention, intensity are high, steady
Qualitative good, operating process is simple and convenient, can effectively realize and the setting height(from bottom) and horizontal installation position of high-altitude wire frame are adjusted
Section.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structural representation of bearing structure in the present invention；
Fig. 3 is the structural representation of top layer support frame in the present invention；
Fig. 4 is the connection diagram of jack base framework and last two layers of lower layer support framework in the present invention；
Fig. 5 be I in Fig. 4 at partial enlarged drawing；
Fig. 6 be II in Fig. 4 at partial enlarged drawing；
Fig. 7 is the structural representation of the embodiment of the present invention 2；
Fig. 8 is the connection diagram of bearing structure, cylinder and top layer support frame in the embodiment of the present invention 2；
Fig. 9 is top view of the jack in jack base framework in the present invention.
Reference：1 is weight tray, and 2 be the perpendicular support of carrying, and 3 be diagonal brace, and 4 be the perpendicular support of support, and 5 be roof supporting, and 6 are
Support beam, 7 be web beam, and 8 is strengthen perpendicular support, and 9 be stull, and 10 be bearing beam, and 11 be boss, and 12 be roller, 13
It is link of boards plate for stiffener plate, 14,15 be jack, and 16 be very heavy top plate, and 17 be locating convex block, and 18 be gripping block, 19
It is middle part stull for the perpendicular support of pedestal, 20,21 be bottom stull, and 22 be pedestal diagonal brace, and 23 be sleeper, and 24 be threaded sleeve rod structure,
25 be lower edge tumbler bearing.
Embodiment
The present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Fig. 1 to 6,9, a kind of jacking adjusting apparatus for high-altitude wire frame, including supporting construction, supporting construction bottom is set
It is equipped with actuating unit, top and is provided with bearing structure, actuating unit can promotes supporting construction and bearing structure to move up；
Bearing structure includes the weight tray 1 of square, the perpendicular support 2 of carrying and diagonal brace 3, and 2 one end of the perpendicular support of carrying, which are fixedly installed on, holds
The center of load floor 1, diagonal brace 3 is four, one end of four diagonal braces 3 is fixedly connected with 2 tops of the perpendicular support of carrying, another end respectively with
It is fixedly connected at four angles of square weight tray 1, forms a pyramid structure, specifically, the top of the perpendicular support 2 of carrying
It is fixedly connected for the lower edge tumbler bearing 24 with rack, the perpendicular support 2 of carrying and diagonal brace 3 may be configured as round steel pipe or square steel tube, this
Place is disposed as round steel pipe, and being fixedly installed cross inside the top of the perpendicular support 2 of carrying strengthens steel plate, one end of four diagonal braces 3
Carrying 2 top of supply line of perpendicular support for strengthening steel plate with being provided with cross are fixedly connected, and cross strengthens steel plate and enhances this tie point
Strength and stability, the specific constructive form of above-mentioned bearing structure make it that whole bearing structure strength and stability is more preferable；
Supporting construction includes top layer support frame and lower layer support framework, and top layer support frame is including the perpendicular support 4 of four supports and just
Support beam 6 is fixedly installed between square roof supporting 5, the upper end of the perpendicular support 4 of adjacent supports, roof supporting 5 is fixedly installed
On the top of support beam 6, the perpendicular support 4 of four supports correspond at four angles of square support top plate 5, the perpendicular support 4 of adjacent supports
Also support beam 6 is fixedly installed between bottom, and the middle part of front and rear support beam 6 of bottom is fixed by a web beam 7
Link together, one is fixedly installed between roof supporting 5 and web beam 7 and strengthens perpendicular support 8, strengthens 8 one end of perpendicular support and branch
The center of support plate 5 is fixedly connected, and another end is fixedly connected with the upper end of web beam 7；Strengthen 8 tops of perpendicular support and the perpendicular support of four supports
Diagonal brace 3 is fixedly installed between 4 middle parts, diagonal brace 3 is also fixedly installed between its bottom and the perpendicular middle part of support 4 of four supports；Carrying
Structural base at the top of top layer support frame with being fixed together, the length of side and the square of square weight tray 1
The length of side of roof supporting 5 is identical, you can make another end four branch respectively with top layer support frame of four diagonal braces 3 of bearing structure
Support perpendicular support 4 upper end positions correspondence, is more beneficial for the transmission of power, the total after connection is compacter, strength and stability is more
It is good.
Further, lower layer support framework includes fixing between the perpendicular support 4 of four supports, the bottom of the perpendicular support 4 of adjacent supports
Support beam 6 is provided with, the middle part of support beam 6 and the perpendicular support of adjacent supports are fixedly installed diagonal brace 3 between 4 tops, adjacent
It is fixedly installed between 4 tops of the perpendicular support of support removable between the middle part of the front and rear support beam 6 on stull 9, lower layer support framework
It is fixedly installed with unloading to be removably secured with actuating unit top in the middle part of bearing beam 10, the lower end of bearing beam 10 and is connected.
Further, support beam 6 is I-steel, is fixedly installed in the groove of I-steel both sides perpendicular to groove bottom surface
There is boss 11, boss 11 is contacted with three faces of groove, and boss 11 is placed equidistant along support beam length direction so that
More preferably, bending-twisting ability is stronger for the structural strength and stability of crossbeam.
Further, the perpendicular support 4 of four supports of top layer support frame and the perpendicular support 4 of four supports of lower layer support framework are corresponding
It is fixed together, specific connected mode can be used under the perpendicular support 4 of the support in welding or bolt connection, top layer support frame
4 upper and lower parts of the perpendicular support of support that portion is provided with stiffener plate 13, lower layer support framework are provided with stiffener plate 13, push up
The stiffener plate 13 and the stiffener plate 13 of each self-corresponding lower layer support framework upper of layer support frame bottom pass through spiral shell respectively
Bolt is fixedly connected on same link of boards plate 14, i.e., four groups of gussets are formed at four connecting nodes of top layer and lower floor and strengthen knot
Structure.
Further, the specific number of plies of lower layer support framework can according to the specific setting height(from bottom) of rack come actual setting, because
This, if lower layer support framework can be dried layer, the perpendicular support 4 of the corresponding support of each layer lower layer support framework is fixed together, and is had
Body connected mode can be using between welding or bolt connection, and the corresponding stiffener plate 13 in 4 upper and lower parts of the perpendicular support of support
It is fixed together, i.e., is formed at four connecting nodes between each adjacent lower support frame by link of boards plate 14
Four groups of gusset reinforcement structures.
Further, the perpendicular support 4 of above-mentioned support and diagonal brace 3 may be configured as round steel pipe or square steel tube, specifically set herein
Round steel pipe is set to, reinforcement round plate is fixedly installed inside the top and bottom of the perpendicular support 4 of support（Not shown in figure）, with to branch
The junction of the perpendicular support 4 of support carries out structural strengthening.
Further, actuating unit is jack 15, and the top of jack 15 has very heavy top plate 16, the very heavy middle part of top plate 16
With locating slot, bearing beam 10 is I-steel, is fixedly installed and adds perpendicular to groove bottom surface in the groove of I-steel both sides
Strong block 11, boss 11 is contacted with three faces of groove, and boss 11 is placed equidistant along the length direction of bearing beam 10, and carrying is horizontal
There is locating convex block 17, locating convex block 17 can be sticked into just in the locating slot in the middle part of the lower end of beam 10, the very heavy both sides of top plate 16 lead to
Cross gripping block 18 to be fixed with the both sides of bearing beam 10, further, in addition to jack base framework, concrete structure includes
Middle part stull 20, the perpendicular support 19 of adjacent pedestal are fixedly installed between the perpendicular support 19 of four foundation seat, the perpendicular middle part of support 19 of adjacent pedestal
Bottom stull 21 is fixedly installed between bottom, the diagonal positions of adjacent middle part stull 20 and bottom stull 21 are fixedly installed
There is pedestal diagonal brace 22, base interior, which is provided with sleeper 23, sleeper 23, is provided with pedestal steel plate, and jack 15 is arranged at pedestal steel
On plate, the housing central section of jack 15 is provided with four groups of jack fixed rod structures, one end of four groups of jack fixed rod structures with
The housing central section of jack 15 is connected, and the other end is fixedly connected with the perpendicular support 19 of pedestal, and jack fixed rod structure is specifically configured to spiral shell
Line loop bar structure 24 so that its adjustable length, after the position of jack 15 is adjusted, can tighten the realization pair of threaded sleeve rod structure 24
The positioning of jack 15.
When carrying out vertical jacking, jack base framework is fixedly connected with ground pedestal, the perpendicular support 2 of carrying of bearing structure
Top is fixedly connected with the lower edge tumbler bearing 25 of rack, and top layer support frame is fixedly connected sequentially with each lower layer support framework,
Very heavy top plate 16 is fixed together with bearing beam 10, after everything is ready, you can operation jack 15 implements jacking operation,
After jacking to 15 range of jack, if not reaching setting height(from bottom) also, can jack base framework and bottom lower floor
One layer of new lower layer support framework is installed between support frame（It should be noted that when installing this layer of lower layer support framework, first
Bearing beam 10 is not installed）, then very heavy top plate 16 and bearing beam 10 dismantled into disengagings, the recovery stroke of jack 15, Ran Houzai
Bearing beam 10 is installed below the lower layer support framework newly installed, then very heavy top plate 16 and bearing beam 10 are fixedly connected on
Together, next round jacking operation, so circulation are implemented, until by rack jacking to desired setting height(from bottom).It should be noted that
Many set jacking adjusting meanss described herein are provided with below whole rack.
Embodiment 2
As shown in Fig. 2 to 9, the difference of embodiment 2 and embodiment 1 is：The length of side of the weight tray 1 of square is less than pros
The length of side of the roof supporting 5 of shape, meanwhile, roller 12 is provided between weight tray 1 and roof supporting 5, passes through locking mechanism
（Not shown in figure）Supporting construction top, roller 12 and bearing structure bottom are fixed together, when locking mechanism is released
During locking, bearing structure is free in the horizontal direction relative to supporting construction.
When carrying out vertical jacking, the concrete mode in embodiment 2 is identical with the concrete mode in embodiment 1；Work as rack
Horizontal installation position has during deviation, it is necessary to rack progress integral translation, now need the lower layer support framework of bottom and thousand
Jin top base framework is fixed together, and locking mechanism is unlocked so that bearing structure is relative to supporting construction in water
Square to being free, then steel cable is connected on each lower edge tumbler bearing 25 of rack（Not shown in figure）, by relatively more existing
Some translation pulling mechanisms pull steel cable, realize and the horizontal level of rack is adjusted, until being adjusted to desired installation site.
The invention is not limited in foregoing embodiment.The present invention, which is expanded to, any in this manual to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.If this
Art personnel, the unsubstantiality done in the spirit for not departing from the present invention is altered or modified, and should all belong to power of the present invention
The claimed scope of profit.
Claims (10)
1. a kind of jacking adjusting apparatus for high-altitude wire frame, it is characterised in that：Including supporting construction, the supporting construction bottom
It is provided with actuating unit, top and is provided with bearing structure, the actuating unit can promotes supporting construction and bearing structure to moving up
It is dynamic；
The bearing structure includes the weight tray of square（1）, the perpendicular support of carrying（2）And diagonal brace（3）, the perpendicular support of carrying（2）
One end is fixedly installed on weight tray（1）Center, the diagonal brace（3）For four, four diagonal braces（3）One end it is perpendicular with carrying
Support（2）Top is fixedly connected, another end respectively with square weight tray（1）Four angles at be fixedly connected, form a golden word
Pyramidal structure；
The supporting construction includes top layer support frame and lower layer support framework, and top layer support frame includes the perpendicular support of four supports
（4）With the roof supporting of square（5）, the perpendicular support of adjacent supports（4）Upper end between be fixedly installed support beam（6）, it is described
Roof supporting（5）It is fixedly installed on the support beam（6）Top, the perpendicular support of four supports（4）It correspond to square support top plate
（5）Four angles at, the perpendicular support of adjacent supports（4）Bottom between be also fixedly installed support beam（6）, and the front and rear branch of bottom
Support crossbeam（6）Middle part passes through a web beam（7）It is fixed together, the roof supporting（5）With web beam（7）It
Between be fixedly installed one and strengthen perpendicular support（8）, strengthen perpendicular support（8）One end and roof supporting（5）Center is fixedly connected, another end with
Web beam（7）Upper end is fixedly connected.
2. a kind of jacking adjusting apparatus for high-altitude wire frame according to claim 1, it is characterised in that：In the top layer
It is described to strengthen perpendicular support in support frame（8）Top and four perpendicular supports of support（4）Diagonal brace is fixedly installed between middle part（3）,
Bottom and four perpendicular supports of support（4）Also diagonal brace is fixedly installed between middle part（3）.
3. a kind of jacking adjusting apparatus for high-altitude wire frame according to claim 1, it is characterised in that：Lower floor's branch
Support frame frame includes the perpendicular support of four supports（4）, the perpendicular support of adjacent supports（4）Bottom between be fixedly installed support beam（6）, institute
State support beam（6）Middle part and the perpendicular support of adjacent supports（4）Diagonal brace is fixedly installed between top（3）, the perpendicular support of adjacent support
（4）Stull is fixedly installed between top（9）.
4. a kind of jacking adjusting apparatus for high-altitude wire frame according to claim 3, it is characterised in that：Lower floor's branch
Front and rear support beam on support frame frame（6）Middle part between be removably secured and be provided with bearing beam（10）, the carrying horizontal stroke
Beam（10）It is removably secured and is connected with actuating unit top in the middle part of lower end.
5. a kind of jacking adjusting apparatus for high-altitude wire frame according to claim any one of 1-4, it is characterised in that：Institute
State support beam（6）For I-steel, boss is fixedly installed perpendicular to groove bottom surface in the groove of I-steel both sides（11）,
Boss（11）Contacted with three faces of groove, the boss（11）Along the support beam（6）Length direction is placed equidistant.
6. a kind of jacking adjusting apparatus for high-altitude wire frame according to claim 5, it is characterised in that：The square
Weight tray（1）The length of side and the square roof supporting（5）The length of side it is identical.
7. a kind of jacking adjusting apparatus for high-altitude wire frame according to claim 5, it is characterised in that：The carrying bottom
Plate（1）With roof supporting（5）Between be provided with roller（12）, by locking mechanism by the top of supporting construction, roller（12）With hold
Carry structural base to be fixed together, when locking mechanism unlocks, bearing structure is relative to supporting construction in level side
To being free.
8. a kind of jacking adjusting apparatus for high-altitude wire frame according to claim 6 or 7, it is characterised in that：The top
The perpendicular support of four supports of layer support frame（4）With the perpendicular support of four supports of lower layer support framework（4）Correspondence is fixed together,
The perpendicular support of support in top layer support frame（4）Bottom is provided with stiffener plate（12）, the perpendicular support of support on lower layer support framework
（4）Upper and lower part is provided with stiffener plate（12）, the stiffener plate of top layer support frame bottom（12）With it is each self-corresponding
The stiffener plate of lower layer support framework upper（12）It is bolted to connection respectively in same link of boards plate（14）.
9. a kind of jacking adjusting apparatus for high-altitude wire frame according to claim 8, it is characterised in that：Lower floor's branch
If support frame frame is dried layer, the perpendicular support of the corresponding support of each layer lower layer support framework（4）It is fixed together, and the perpendicular support of support
（4）The corresponding stiffener plate in upper and lower part（12）Between pass through link of boards plate（14）It is fixed together.
10. a kind of jacking adjusting apparatus for high-altitude wire frame according to claim 4, it is characterised in that：The power
Mechanism is jack（15）, jack（15）Top has very heavy top plate（16）, the very heavy top plate（16）Middle part has positioning
Groove, the bearing beam（10）For I-steel, reinforcement is fixedly installed perpendicular to groove bottom surface in the groove of I-steel both sides
Block（11）, boss（11）Contacted with three faces of groove, the boss（11）Along the bearing beam（10）Length direction
It is placed equidistant, the bearing beam（10）There is locating convex block in the middle part of lower end（17）, the locating convex block（17）Can just it stick into
In the locating slot, the very heavy top plate（16）Both sides pass through gripping block（18）With bearing beam（10）Both sides are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710455741.2A CN107060348B (en) | 2017-06-16 | 2017-06-16 | Jacking and adjusting device for high-altitude net rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710455741.2A CN107060348B (en) | 2017-06-16 | 2017-06-16 | Jacking and adjusting device for high-altitude net rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107060348A true CN107060348A (en) | 2017-08-18 |
| CN107060348B CN107060348B (en) | 2023-07-18 |
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| CN201710455741.2A Active CN107060348B (en) | 2017-06-16 | 2017-06-16 | Jacking and adjusting device for high-altitude net rack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111255490A (en) * | 2020-01-15 | 2020-06-09 | 上海隧道工程有限公司 | Device for preventing soil body on upper part of pipe curtain structure from settling and construction method thereof |
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|---|---|---|---|---|
| CN111255490A (en) * | 2020-01-15 | 2020-06-09 | 上海隧道工程有限公司 | Device for preventing soil body on upper part of pipe curtain structure from settling and construction method thereof |
| CN111255490B (en) * | 2020-01-15 | 2021-11-19 | 上海隧道工程有限公司 | Device for preventing soil body on upper part of pipe curtain structure from settling and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN107060348B (en) | 2023-07-18 |
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