CN108286332A - A kind of concrete of crossing soars aloft beam from climbing monoblock type bylinder system and construction method - Google Patents
A kind of concrete of crossing soars aloft beam from climbing monoblock type bylinder system and construction method Download PDFInfo
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- CN108286332A CN108286332A CN201810198502.8A CN201810198502A CN108286332A CN 108286332 A CN108286332 A CN 108286332A CN 201810198502 A CN201810198502 A CN 201810198502A CN 108286332 A CN108286332 A CN 108286332A
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- 230000009194 climbing Effects 0.000 title claims abstract description 65
- 238000010276 construction Methods 0.000 title claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 53
- 239000010959 steel Substances 0.000 claims abstract description 53
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000001737 promoting effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000009415 formwork Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000005266 casting Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 3
- 240000009087 Crescentia cujete Species 0.000 description 1
- 235000005983 Crescentia cujete Nutrition 0.000 description 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
- E04G11/28—Climbing forms, i.e. forms which are not in contact with the poured concrete during lifting from layer to layer and which are anchored in the hardened concrete
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The concrete of crossing of the present invention soars aloft beam from climb monoblock type bylinder system and construction method, belongs to technical field of building construction, it is low to solve the problems, such as that standalone tool formula formwork system carries out construction of lift well efficiency.The system includes load-bearing frame body, lower hanger body and promotion girder steel, large form, wall-attaching equipment, climbing boots, guide rail and hydraulic system, large form and climbing boots are fixed on elevator shear wall both sides, hydraulic system is arranged on load-bearing frame body, and guide rail is set on climbing boots；It promotes girder steel to be set at the top of bylinder, promotes girder steel lower part and hang load-bearing frame body and lower hanger body, load-bearing frame body is climbed set on elevator both ends at seat in the plane.This method installs climbing boots, load-bearing frame body, guide rail, promotes girder steel and lower hanger body successively；Construction layer reinforcing bar, embedded built-in fitting and installation large form, casting concrete are bound again then last layer climbing boots, lift rail and bylinder of climbing are installed, construction layer reinforcing bar and casting concrete are bound after climbing, successively cycle construction.
Description
Technical field
The invention belongs to technical field of building construction, and in particular to a kind of concrete of crossing soars aloft beam from climbing monoblock type bylinder
System and construction method.
Background technology
For traditional construction technique, elevator shaft construction generally takes unit tool-type formwork system, because elevator shaft is mixed
A standalone tool formula formwork system, each unit hoistway mould need to be arranged in the obstruction of solidifying soil beam high up in the air, each independent elevator hoistway
Frame is unable to Integral synchronous promotion, and each every layer of elevator shaft is both needed to stay and sets at least two by the manual independent lift of cucurbit
Hole to be provided is to meet the arrangement of mould bases bracket, not only low construction efficiency, but also needs construction personnel to be operated on formwork system and carry
It rises, seriously affects construction safety, it is difficult to be suitable for growing super high rise structure and construct.
Invention content
The present invention carries out construction of lift well for conventionally employed standalone tool formula formwork system, and low construction efficiency has peace
The problem of full hidden danger, the present invention provides a kind of concrete beams high up in the air of crossing from monoblock type bylinder system of climbing, can not only be whole
Formula self climbing, and can realize while the beam high up in the air between construction elevator hoistway shear wall and hoistway, it ensure that construction safety,
Improve construction efficiency.
In order to solve the above technical problems, the present invention provides the following technical solutions：
A kind of concrete of crossing soars aloft beam from climbing monoblock type bylinder system, including bylinder, large form, wall-attaching equipment, climbs
Boots, guide rail and hydraulic system, the bylinder include load-bearing frame body, lower hanger body and promote girder steel, and it is right that the large form passes through
Bolt and installing locating slot steel is drawn to be fixed on elevator shear wall both sides, the hydraulic system is arranged in bylinder, described to climb
Boots are fixedly connected by built-in fitting with elevator shear wall, and the guide rail is set on the climbing boots, the wall-attaching equipment peace
Loaded on the load-bearing frame body；Under Construction State, the bylinder is fixed on elevator by climbing boots and wall-attaching equipment and shears
On wall；The promotion girder steel is set at the top of bylinder, and the promotion girder steel lower part hangs the load-bearing frame body and lower hanger respectively
Body, the load-bearing frame body are set to elevator both ends and climb at seat in the plane, and the seat in the plane of climbing connects the load-bearing frame body, passes through institute
Stating promotion girder steel drives the lower hanger body to climb, and realizes that bylinder monoblock type is climbed.
Further, the hydraulic system includes hydraulic cylinder and synchronous control case.
Further, the promotion girder steel includes horizontal lifting girder steel and vertical promotion girder steel.
Further, the promotion girder steel is equipped with lifting lug.
Further, the load-bearing frame body is made of girders layer.
Further, further include chain block, the chain block is for promoting the large form.
The present invention also provides a kind of concrete beams high up in the air of crossing from the construction method for monoblock type bylinder system of climbing, the construction
Method includes the following steps：
Step 1: first in n-layer by installation of embedded parts climbing boots, then the lower part of load-bearing frame body, wall-attaching equipment are installed and led
Rail, then installs remaining load-bearing frame structure successively from lower to upper, and wherein n is the natural number more than or equal to 2；
Step 2: after waiting for load-bearing erection of frames, vertical promotion girder steel is first installed, then horizontal lifting girder steel is installed, most
The lower hanger body being positioned at afterwards in the middle part of bylinder；
Step 3: after all bylinders install, (n+2) layer construction layer reinforcing bar is bound, installation large form, hoistway are high up in the air
Beam forms and falsework, pre-buried (n+2) layer built-in fitting, pour (n+2) layer concrete；
Step 4: after (n+1) layer concrete reaches design strength, (n-1) layer climbing boots are removed, installation of embedded parts is passed through
(n+1) layer climbing boots pass through hydraulic system lift rail；
It soars aloft the template and falsework of beam Step 5: removing n-layer hoistway, guide rail is promoted into a floor height, and along leading
Bylinder is promoted a floor height by rail by hydraulic system；
Step 6: binding (n+3) layer reinforcing bar, promotes large form, installation hoistway is insulted by the chain block promoted on girder steel
Empty beam forms and falsework pour (n+3) layer concrete；
Step 7: step 1 is repeated to step 6, until completing entire elevator shaft structure construction.
Compared with prior art, beneficial technique effect of the invention is as follows：
(1) present invention crosses concrete and soars aloft beam from monoblock type bylinder system of climbing, and power plant uses hydraulic system, frame body
It is climbed by hydraulic system alternative expression with lifting rail, realizes cartridge type mould bases from Integral hoisting is climbed, construction is safer, high
Effect.
(2) present invention crosses concrete beam high up in the air from monoblock type bylinder system of climbing, it is ensured that elevator shaft shear wall and icepro
Empty beam is constructed simultaneously, it is ensured that the safe construction of hoistway beam high up in the air improves construction efficiency.
(3) present invention crosses concrete and soars aloft beam from monoblock type bylinder system of climbing, and is arranged at the top of bylinder system and promotes steel
Beam is load-bearing frame body at the seat in the plane of both ends, and middle is lower hanger body, and the seat in the plane connection load-bearing frame body that climbs, which passes through, to be promoted girder steel and drive
Lower hanger body climbs, and ensure that the safety of bylinder Integral hoisting.Wherein, load-bearing frame body is mainly made of girders layer, ensure that
The bearing capacity of mould bases.
(4) concrete of crossing of the invention soars aloft beam from monoblock type bylinder system of climbing, and when bylinder is promoted, it is right that large form passes through
It draws bolt to be fixed on elevator shear wall, the lifting of large form is realized subsequently through chain block, alleviate bylinder and climb again
Amount, construction are safer.
(5) of the invention concrete of crossing soars aloft construction method of the beam from monoblock type bylinder system of climbing, easy to operate, construction
It is efficient, it is safe and efficient.
Description of the drawings
Fig. 1 crosses sectional view of the concrete beam high up in the air from monoblock type bylinder system of climbing for one embodiment of the invention；
Fig. 2 crosses floor plan of the concrete beam high up in the air from monoblock type bylinder system of climbing for one embodiment of the invention.
In figure：
1- shear walls, 2- large forms, 3- wall-attaching equipments, 4- climbing boots, 5- guide rails, 6- hydraulic systems, 7- load-bearing frame bodies, 8-
Lower hanger body, 9- vertical promotion girder steels, 10- horizontal lifting girder steels, 11- hoistways soar aloft beam, 12- falseworks, 13- reinforcing bars, 14-
Chain block, 15- climb seat in the plane, 16- floor beams.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments to concrete beam high up in the air proposed by the present invention of crossing from monoblock type bylinder of climbing
System and construction method are described in further detail.According to following explanation and claims, advantages and features of the invention will
It becomes apparent from.It should be noted that attached drawing is all made of very simplified form and uses non-accurate ratio, only to convenient, bright
The purpose of the embodiment of the present invention is aided in illustrating clearly.For sake of convenience, "upper" described below, "lower" and attached drawing is upper and lower
Direction it is consistent, but this can't be the limitation of technical solution of the present invention.
Embodiment one
With reference to Fig. 1 and Fig. 2, the present invention will be described in detail crosses concrete and soar aloft beam from monoblock type bylinder system of climbing
Composition.
As depicted in figs. 1 and 2, present embodiment discloses a kind of concrete of crossing to soar aloft beam from climbing monoblock type bylinder system,
Including bylinder (not shown), large form 2, wall-attaching equipment 3, climbing boots 4, guide rail 5 and hydraulic system 6, bylinder includes bearing frame
Body 7, lower hanger body 8 and promotion girder steel (not shown), large form 2 are fixed on elevator by split bolt and installing locating slot steel
1 both sides of shear wall, hydraulic system 6 are arranged in bylinder, and climbing boots 4 are fixedly connected by built-in fitting with elevator shear wall 1, are led
Rail 5 is set on climbing boots 4；Under Construction State, bylinder is fixed on elevator shear wall 1 by climbing boots 4 and wall-attaching equipment 3
On；It promotes girder steel to be set at the top of bylinder, promotes girder steel lower part and hang load-bearing frame body 7 and lower hanger body 8, load-bearing frame body 7 respectively
It is set to elevator both ends to climb at seat in the plane 15, seat in the plane 15 of climbing connects load-bearing frame body 7, passes through and promotes girder steel and drive lower hanger body
8 climb, and realize that bylinder monoblock type is climbed.
Specifically, elevator is mainly made of shear wall 1, floor beam 16 and hoistway beam 11 high up in the air.The present invention is by adopting
Used concrete soars aloft beam from monoblock type bylinder system of climbing, and bylinder realizes that alternative expression climbs with guide rail 5 by hydraulic system 6.
By hydraulic system 6, climbing boots 4 first promote guide rail 5, then further along 5 Integral hoisting bylinder of guide rail.Setting at the top of bylinder
Promote girder steel, the both ends frame body at seat in the plane 15 that climbs is load-bearing frame body 7, and middle is lower hanger body 8, and seat in the plane 15 of climbing connects load-bearing
Frame body 7 drives lower hanger body 8 to climb by promoting girder steel, can not only ensure that elevator shear wall 1 and hoistway soar aloft beam 11 together
When construct, and ensure that formwork system from climbing the safety of Integral hoisting.When bylinder is promoted, large form 2 passes through split bolt
It is fixed on elevator shear wall 1, the lifting of large form 2 is realized subsequently through chain block 14, alleviate bylinder and climb weight,
It constructs safer.
Preferably, hydraulic system 6 is made of hydraulic cylinder and synchronous control case, it can be achieved that 15 Synchronous lifting of seat in the plane that climbs.
Particularly, it includes vertical promotion girder steel 9 and horizontal lifting girder steel 10 to promote girder steel, promotes girder steel and divides into load-bearing frame body
7 and lower hanger body 8.Both ends are load-bearing frame body 7 at seat in the plane 15 of climbing, and are made of girders layer, mainly play load-bearing and operation is flat
Platform acts on；Middle is lower hanger body 8, mainly plays operating platform.Load-bearing frame body 7 is connect with seat in the plane 15 of climbing, in hydraulic pressure
Under the action of system 6, load-bearing frame body 7 can upwards climb along guide rail 5, meanwhile, it will be under centre by promoting girder steel
Hanger body 8 is connect with load-bearing frame body 7, is realized synchronizing for lower hanger body 8 and is climbed.
Certainly, promoted girder steel be equipped with lifting lug, construct operating mode when, promoted girder steel suspension centre on lifting lug at by pulling calabash
Reed 14 promotes large form 2.
Moreover, climb operating mode when, last layer wall-attaching equipment 3 is first installed, by 6 lift rail 5 of hydraulic system, is then passed through
Hydraulic system 6 along guide rail 5 promoted bylinder (specifically include vertical promotion girder steel 9, horizontal lifting girder steel 10, load-bearing frame body 7 and under
Hanger body 8), realize that guide rail 5 and the alternative expression of bylinder are promoted.
Embodiment two
Please continue to refer to Fig. 1 and Fig. 2, present embodiments provides a kind of concrete of crossing and soar aloft beam from the monoblock type bylinder body that climbs
The construction method of system, the construction method include the following steps：
Step 1: first in n-layer by installation of embedded parts climbing boots 4, then the lower part of load-bearing frame body 7,3 and of wall-attaching equipment are installed
Then guide rail 5 installs remaining 7 structure of load-bearing frame body successively from lower to upper, wherein n is the natural number more than or equal to 2.Load-bearing frame body
7 are mainly made of girders layer, to ensure its bearing capacity.
Step 2: after load-bearing frame body 7 installs, vertical promotion girder steel 9 is first installed, then horizontal lifting girder steel is installed
10, the lower hanger body 8 being finally positioned in the middle part of bylinder.
Step 3: after all bylinders install, binding (n+2) layer construction layer reinforcing bar 13, installation large form 2, hoistway
Beam forms and falsework 12, pre-buried (n+2) layer built-in fitting high up in the air pour (n+2) layer concrete.
Step 4: after (n+1) layer concrete reaches design strength C10, (n-1) layer climbing boots 4 are removed, built-in fitting is passed through
(n+1) layer climbing boots 4 are installed, 6 lift rail 5 of hydraulic system is passed through.
Step 5: removing the template and falsework 12 of n-layer hoistway beam 11 high up in the air, guide rail 5 is promoted into a floor height, and edge
It guide rail 5 and bylinder is promoted by a floor height by hydraulic system 6.
Step 6: binding (n+3) layer reinforcing bar 13, promotes large form 2 by the chain block 14 promoted on girder steel, installs well
The template and falsework 12 of road beam 11 high up in the air, pour (n+3) layer concrete.
Step 7: step 1 is repeated to step 6, until completing entire elevator shaft structure construction.
In conclusion concrete beam high up in the air provided in an embodiment of the present invention of crossing is from climb monoblock type bylinder system and construction party
Method has following advantage compared with prior art：
(1) present invention crosses concrete and soars aloft beam from monoblock type bylinder system of climbing, and power plant uses hydraulic cylinder, frame body
It is climbed by hydraulic cylinder alternative expression with lifting rail, realizes cartridge type mould bases from Integral hoisting is climbed, construction is safer, high
Effect.
(2) present invention crosses concrete beam high up in the air from monoblock type bylinder system of climbing, it is ensured that elevator shaft shear wall and icepro
Empty beam is constructed simultaneously, it is ensured that the safe construction of hoistway beam high up in the air improves construction efficiency.
(3) present invention crosses concrete and soars aloft beam from monoblock type bylinder system of climbing, and is arranged at the top of formwork system and promotes steel
Beam, frame body is load-bearing frame body at the seat in the plane of both ends, and middle is lower hanger body, and the seat in the plane connection load-bearing frame body that climbs, which passes through, promotes girder steel
It drives lower hanger body to climb, ensure that the safety of formwork system Integral hoisting.Wherein, load-bearing frame body is mainly by girders layer group
At ensure that the bearing capacity of mould bases.
(4) concrete of crossing of the invention soars aloft beam from monoblock type bylinder system of climbing, and when bylinder is promoted, it is right that large form passes through
It draws bolt to be fixed on elevator shear wall, the lifting of large form is realized subsequently through chain block, alleviate bylinder and climb again
Amount, construction are safer.
(5) of the invention concrete of crossing soars aloft construction method of the beam from monoblock type bylinder system of climbing, easy to operate, construction
It is efficient, it is safe and efficient.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (7)
1. a kind of concrete beam high up in the air of crossing is from monoblock type bylinder system of climbing, which is characterized in that including bylinder, large form, attached wall
Device, climbing boots, guide rail and hydraulic system, the bylinder include load-bearing frame body, lower hanger body and promotion girder steel, the big mould
Plate is fixed on elevator shear wall both sides by split bolt and installing locating slot steel, and the hydraulic system is arranged in bylinder,
The climbing boots are fixedly connected by built-in fitting with elevator shear wall, and the guide rail is set on the climbing boots, described attached
Wall device is installed on the load-bearing frame body；Under Construction State, the bylinder is fixed on electricity by climbing boots and wall-attaching equipment
On stair shaft shear wall；The promotion girder steel is set at the top of bylinder, and the promotion girder steel lower part hangs the load-bearing frame body respectively
With lower hanger body, the load-bearing frame body is set to elevator both ends and climbs at seat in the plane, and the seat in the plane of climbing connects the bearing frame
Body drives the lower hanger body to climb by the promotion girder steel, realizes that bylinder monoblock type is climbed.
2. concrete beam high up in the air as described in claim 1 of crossing is from monoblock type bylinder system of climbing, which is characterized in that the hydraulic pressure
System includes hydraulic cylinder and synchronous control case.
3. concrete beam high up in the air as described in claim 1 of crossing is from monoblock type bylinder system of climbing, which is characterized in that the promotion
Girder steel includes horizontal lifting girder steel and vertical promotion girder steel.
4. concrete beam high up in the air as described in claim 1 of crossing is from monoblock type bylinder system of climbing, which is characterized in that the promotion
Girder steel is equipped with lifting lug.
5. concrete beam high up in the air as described in claim 1 of crossing is from monoblock type bylinder system of climbing, which is characterized in that the load-bearing
Frame body is made of girders layer.
6. concrete beam high up in the air as described in claim 1 of crossing is from monoblock type bylinder system of climbing, which is characterized in that further include hand
Cucurbit is drawn, the chain block is for promoting the large form.
7. as claim 2 to 6 any one of them crosses construction method of the concrete beam high up in the air from monoblock type bylinder system of climbing,
It is characterised in that it includes following steps：
Step 1: first in n-layer by installation of embedded parts climbing boots, then lower part, wall-attaching equipment and the guide rail of load-bearing frame body are installed, so
Remaining load-bearing frame structure is installed successively from lower to upper afterwards, wherein n is the natural number more than or equal to 2；
Step 2: after waiting for load-bearing erection of frames, vertical promotion girder steel is first installed, then horizontal lifting girder steel is installed, finally pacifies
Dress is located at the lower hanger body in the middle part of bylinder；
Step 3: after all bylinders install, (n+2) layer construction layer reinforcing bar, installation large form, hoistway beam form high up in the air are bound
Plate and falsework, pre-buried (n+2) layer built-in fitting, pour (n+2) layer concrete；
Step 4: after (n+1) layer concrete reaches design strength, (n-1) layer climbing boots are removed, installation of embedded parts (n+ is passed through
1) layer climbing boots pass through hydraulic system lift rail；
Step 5: removing the template and falsework of n-layer hoistway beam high up in the air, guide rail is promoted into a floor height, and logical along guide rail
It crosses hydraulic system and bylinder is promoted into a floor height；
Step 6: binding (n+3) layer reinforcing bar, large form, installation hoistway beam high up in the air are promoted by the chain block promoted on girder steel
Template and falsework pour (n+3) layer concrete；
Step 7: step 1 is repeated to step 6, until completing entire elevator shaft structure construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810198502.8A CN108286332A (en) | 2018-03-12 | 2018-03-12 | A kind of concrete of crossing soars aloft beam from climbing monoblock type bylinder system and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810198502.8A CN108286332A (en) | 2018-03-12 | 2018-03-12 | A kind of concrete of crossing soars aloft beam from climbing monoblock type bylinder system and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN108286332A true CN108286332A (en) | 2018-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810198502.8A Pending CN108286332A (en) | 2018-03-12 | 2018-03-12 | A kind of concrete of crossing soars aloft beam from climbing monoblock type bylinder system and construction method |
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| Country | Link |
|---|---|
| CN (1) | CN108286332A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750842A (en) * | 2019-01-15 | 2019-05-14 | 上海建工一建集团有限公司 | A kind of installation method of the distributing platform system of tube structure construction |
| CN110565937A (en) * | 2019-09-02 | 2019-12-13 | 上海建工一建集团有限公司 | Door type integral lifting steel platform |
| CN112031402A (en) * | 2020-08-10 | 2020-12-04 | 上海建工集团股份有限公司 | Climbing formwork system, construction method thereof and climbing formwork support device |
| CN115898120A (en) * | 2022-09-29 | 2023-04-04 | 中交二航局第二工程有限公司 | Intelligent high tower construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750842A (en) * | 2019-01-15 | 2019-05-14 | 上海建工一建集团有限公司 | A kind of installation method of the distributing platform system of tube structure construction |
| CN109750842B (en) * | 2019-01-15 | 2021-05-07 | 上海建工一建集团有限公司 | Installation method of material distribution platform system for barrel structure construction |
| CN110565937A (en) * | 2019-09-02 | 2019-12-13 | 上海建工一建集团有限公司 | Door type integral lifting steel platform |
| CN112031402A (en) * | 2020-08-10 | 2020-12-04 | 上海建工集团股份有限公司 | Climbing formwork system, construction method thereof and climbing formwork support device |
| CN115898120A (en) * | 2022-09-29 | 2023-04-04 | 中交二航局第二工程有限公司 | Intelligent high tower construction method |
| CN115898120B (en) * | 2022-09-29 | 2024-05-10 | 中交二航局第二工程有限公司 | Intelligent high tower construction method |
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Application publication date: 20180717 |