CN102359276B - Concrete pouring fast construction method - Google Patents
Concrete pouring fast construction method Download PDFInfo
- Publication number
- CN102359276B CN102359276B CN2011102931555A CN201110293155A CN102359276B CN 102359276 B CN102359276 B CN 102359276B CN 2011102931555 A CN2011102931555 A CN 2011102931555A CN 201110293155 A CN201110293155 A CN 201110293155A CN 102359276 B CN102359276 B CN 102359276B
- Authority
- CN
- China
- Prior art keywords
- concrete
- template
- whole plate
- slideway
- construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Road Paving Machines (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a concrete pouring fast construction system which comprises a moving formwork device, a concrete wet spraying and pouring device and a concrete moving blending device, wherein the concrete moving blending device is connected with the concrete wet spraying and pouring device through a pipeline, the moving formwork device comprises formworks, each formwork is of a thin plate-like unit body, the unit bodies of the formworks are spliced into a whole plate through bolts, and the whole plate is supported by formwork slideways positioned at the two ends of the whole plate. The concrete pouring fast construction system has the advantages of realizing continuous and uninterrupted concrete fast pouring and realizing fast, continuous and emergency repair construction of bridge deck paving, as well as fast construction and emergency repair fast construction of airfield runways and military emergency works. The concrete pouring fast construction system is simple in structure and simple and convenient to operate, and can be used for not only improving the construction efficiency of large-range wide-amplitude thin plate concrete in a slope or a plane, but also greatly shortening the opening time of a concrete repair region and meeting harsh requirements on the construction speed during the large-range application of fast hardening concrete.
Description
Technical field
The invention belongs to the equipment technology field that promotes the concrete work rapid construction, relate to a kind of construction system based on slope or plane wide cut degree thin plate concreting on a large scale, more specifically relate to deck paving, airfield runway etc. build fast and salvage and military emergent slope or plane wide cut degree thin plate fast hardening concrete salvaging on a large scale in concrete pouring fast construction method.
Background technology
Along with the development of Chinese national economy, a large amount of engineerings of field of traffic are carried out fast, and the construction period just seems particularly important in these engineerings, and who can the reduction of erection time, and who just can gain the initiative.in addition, in a large amount of engineering constructions, can run into unavoidably some and need rapid construction, the engineering that comes into operation fast, as airfield runway, deck paving etc., meanwhile, along with traffic volume rapid growth and vehicular load heavy-duty increasingly, the impact force that highway bridge stands, dynamic load intensity and fatigue effect improve constantly, make bridge floor often be in hard service, cause a lot of bridge deck pavements of Highways ' rut to occur, pass, cracking, delamination, a large amount of breakoff phenomenons such as hole, hole, make the life cycle of deck paving shorter and shorter, in order to recover as early as possible the pavement performance of bridge floor, reduce damaged impact on communications and transportation, need to keep in repair damaged bridge floor, and current bridge maintenance work is day by day frequent, engineering quantity is increasing.Due to bridge maintenance, particularly bridge maintenance often causes traffic jam on a large scale, even bring out traffic accident, greatly reduce traffic capacity and service level, the contradiction of the normal operation of bridge maintenance and traffic is shown especially day by day, and traditional working procedure is numerous and diverse, long construction period, in construction, equipment needed thereby disperses, and causes working procedure to be connected and has some setbacks, reduce efficiency of construction, be difficult to satisfy road surface or the bridge floor actual requirement of Rapid-Repair on a large scale.Therefore, the advanced construction system that research can rapid construction just seems particularly important.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of construction system based on slope or plane wide cut degree thin plate concreting on a large scale, be applicable to rapid construction and the first-aid repair construction of deck paving, the building fast and salvaging of airfield runway and military emergency work, this construction system is simple in structure, easy and simple to handle, not only can improve slope or the plane concrete efficiency of construction of wide cut degree thin plate on a large scale, but also can significantly shorten the open hour in concrete repair zone.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of concrete pouring fast construction method, comprise that moving die plate device, concrete spraying are built device and concrete moves mixing device, described concrete moves mixing device and builds device by pipeline and concrete spraying and be connected, it is characterized in that: described moving die plate device comprises template, described template is lamellar cell cube, the cell cube of template is spliced into whole plate by bolt, and described whole plate is by being positioned at the template slideway support at whole plate two ends.In the present invention, template is bolted, and is spliced into whole plate, and whole plate length and width can be adjusted according to the size of boundary of works area, to adapt to mating formation of road surface under different situations or bridge floor, can satisfy the thin plate concrete construction requirement of different range.
Preferably, described whole plate drives by the drive unit that is placed in the two template slideways outsides, and described drive unit is fixed in whole plate soffit.The drive unit that arranges is motorized motions, also can manual drives, and whole plate is slided on the template slideway, shift the position of whole plate, in order to working continuously, improve efficiency of construction.
Preferably, described drive unit mainly contains motor, the gear that motor directly drives by motor shaft, and the gear slideway that coordinates with gear forms, described motor is fixed in the soffit of described whole plate by the fixed electrical machinery device, described gear slideway is fixed in the lateral surface of described template slideway.In the present invention, motor connects gear by axle, and gear is connected on the template slideway with the interlock of gear slideway phase, both can fix whole plate, moves while can construct again, realizes the continuous construction operation of sprayed mortar.
Preferably, described template slideway is " L " type structure, and its upper surface is provided with the sliding roller that contacts with whole plate, and two relative template slideways have vertically surrounded square cavity in part, whole plate and ground, and the horizontal component of template slideway is fixed by anchor studs and ground.
Preferably, the lower end of described template slideway is equipped with the lift valve of capable of regulating template slideway height, and the lift valve of settling on the template slideway is used for regulating the height of slideway template, to satisfy the construction requirement of different concreting thickness.
Described concrete moves mixing device and comprises concrete mixing plant, and described concrete mixing plant is placed on the first trailer, and concrete mixing plant is built device by pipeline and concrete spraying and is connected.
Described concrete spraying is built device and is comprised concrete spraying machine and the spray gun that is connected with described concrete spraying machine, and concrete spraying machine is placed on the second trailer.
In the present invention, concrete moves mixing device and concrete spraying and builds device and be respectively arranged with the first trailer and the second trailer, makes concrete mixing plant and concrete damping machine along with the difference of construction location, follows the moving die plate device and shifts, simple in structure, the convenient use.
Described formwork structure comprises the steel rib, be provided with the bolt hole that coordinates with bolt on described steel rib, between the steel rib, sealing ring be set, bolt hole coordinates with template splicing with bolt be whole plate, can effectively prevent template deformation by the steel rib, increase sealing ring and can prevent that template from leaking.
The beneficial effect that adopts technique scheme to produce is: (1) the present invention is on the basis of original concreting outfit, realized the mobility of template, formed the moving die plate device, whole construction period is shortened greatly, rapid construction and the first-aid repair construction of deck paving have been realized, the building fast and rush to repair rapid construction of airfield runway and military emergency work; (2) the present invention by the improvement to concrete mixing plant and concrete damping machine, has increased by two trailers, combines with the moving die plate device very easily, and this construction system is simple in structure, is convenient to assembling, and speed of application is fast, and is with low cost, reliable construction quality; (3) the present invention utilizes motor to connect gear by axle, and gear is connected on the template slideway with the interlock of gear slideway phase, both can fix whole plate, moves while can construct again, realizes the continuous construction operation of sprayed mortar, improves efficiency of construction.
The present invention not only can improve slope or the plane concrete efficiency of construction of wide cut degree thin plate on a large scale, but also can significantly shorten the open hour in concrete repair zone, has future in engineering applications widely.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of moving die plate device in the present invention;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the top view of Fig. 2;
Fig. 5 is the structural representation that concrete spraying is built device;
Fig. 6 is the structural representation that concrete moves mixing device;
Wherein: 1, moving die plate device, 10, the gear slideway, 11, template, 111, the steel rib, 112, sealing ring, 12, bolt, 13 lift valves, 14, gear, 15, motor, 16, the template slideway, 17, fixed electrical machinery device, 18, anchor studs, 2, concrete spraying builds device, 21, the second trailer, 22, concrete spraying machine, 23, spray gun, 3, concrete moves mixing device, the 31, first trailer, 32, concrete mixing plant.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples:
By accompanying drawing 1 as can be known, the core apparatus of construction system of the present invention by moving die plate device 1, concrete spraying build device 2, concrete moves mixing device 3 three parts and forms.
2 and 3 as can be known with reference to the accompanying drawings, moving die plate device 1 comprises: gear slideway 10, template 11, bolt 12, lift valve 13, gear 14, motor 15, template slideway 16, fixed electrical machinery device 17, anchor studs 18, template 11 is lamellar cell cube, the cell cube of template 11 is spliced into whole plate by bolt, whole plate is by being positioned at template slideway 16 supports at whole plate two ends, template slideway 16 is fixed on ground, whole plate drives by the drive unit that is placed in two template slideway 16 outsides, drive unit is fixed in whole plate soffit, wherein drive unit can be gear-rack drive, leading screw drives or transport tape drives.
Drive unit is gear-rack drive preferably, it mainly contains motor 15, the gear 14 that motor 15 directly drives by motor shaft, and the gear slideway 10 that coordinates with gear 14 forms, motor 15 is fixed in the soffit of whole plate by fixed electrical machinery device 17, gear slideway 10 is fixed in the lateral surface of template slideway 16.
4 as can be known with reference to the accompanying drawings, because template 11 need be spliced into whole plate, therefore selects the specification of template 11 can be divided into 100cm * 50cm, 100cm * 100cm, 150cm * 100cm, 200cm * 50cm, 200cm * 100cm.The thickness of template 11 is 0.3cm-1cm, and the soffit of template 11 will satisfy certain smoothness, guarantees the smooth of template and concrete surface, improves construction quality, and the movement of convenient whole plate.Satisfying whole plate movably in situation, need to ask the power of motor 15 to be not less than 2kw.Have more the thickness of template, the specification that can select the steel rib is 7cm * 7cm.
5 as can be known with reference to the accompanying drawings, and concrete spraying is built device 2 and comprised: the second trailer 21, concrete spraying machine 22, spray gun 23, concrete spraying machine 22 are placed on the second trailer 21, its wind pressure of work 0.2-2Mpa, and the power of the second trailer 21 is not less than 20kw.
6 as can be known with reference to the accompanying drawings, and concrete moves mixing device 3 and comprises: the first trailer 31, concrete mixing plant 32, wherein the production efficiency of concrete mixing plant 32 should be not less than 20m
3/ h.
In the present invention, the annexation of each several part is: template 11 is crossed bolt 12 and is spliced into whole plate; Whole plate utilizes the interlock of gear 14 and gear slideway 10 to be connected on template slideway 16; Fixed electrical machinery device 17 motor 15 be connected plate and connect, gear 14 is connected on motor 15 by axle; Lift valve 13 is placed on template slideway 16; Template slideway 16 by anchor studs 18 anchorings on the ground; Concrete spraying machine 22 is placed on the second trailer 21; Spray gun 23 is connected with concrete spraying machine 22 by pipeline; Concrete spraying is built device 2 and is passed through spray gun 23 to the interior sprayed mortar of moving die plate device 1; Concrete mixing plant 32 is placed on the first trailer 31; Concrete mixing plant 32 is built device 2 by pipeline for concrete spraying concrete is provided.
The site operation process is as follows:
Determine the quantity of splice template 11 according to the boundary of works area of on-the-spot thin plate concrete work.
Transportable concrete agitator 3 is connected to concrete spraying builds on device 2, then spray gun 23 is put into moving die plate device 1.
Concrete raw material is rendered in mobile mixing plant 32, begun to produce concrete.
Open motor 15, move splice template 11 while constructing, realize the continuous construction operation of sprayed mortar.
Above technical scheme has realized rapid construction and the first-aid repair construction of deck paving, the building fast and rush to repair rapid construction of airfield runway and military emergency work, and this construction system is simple in structure, easy and simple to handle, not only can improve slope or the plane concrete efficiency of construction of wide cut degree thin plate on a large scale, but also can significantly shorten the open hour in concrete repair zone, have future in engineering applications widely.
Embodiment 1
Certain bridge deck pavement rapid construction engineering, the scene mat formation the layer a wide 6m, thick 15cm, long 500m, select 24 of template 11 specification 100cm * 50cm also with being spliced into wide 6m, the whole plate of long 2m, support template slideway 16 is anchored at template slideway 16 use anchor studs 18 on bridge floor, regulates lift valve 13 and makes template slideway 16 highly be 15cm, and prop up guard in removable template 11 ends, splice template, then assembling motor 15 and gear 14 are placed in whole plate on template slideway 16.The production efficiency of concrete mixing plant 32 is 40m
3/ h moves mixing device 3 with concrete and is connected to concrete spraying and builds on device 2, then spray gun 23 is put into moving die plate device 1.Aggregate is put into mobile mixing plant, begin to produce concrete.It is 90m/s that concrete spraying machine 22 is controlled its jet velocities, controls spray gun 23 air pressure at 0.8Mpa, uninterruptedly sprayed mortar among the template slideway 16.Open motor 15, move whole plate while constructing, the translational speed of whole plate is 50m/h, builds that concrete density is good as a result, and intensity meets design requirement.Adopt 500 meters of the method continuous placings, completed in 15 hours, save and vibrate, wipe one's face, repeat the branching standing template program, compare with conventional method in advance and completed construction in 8 days, lay a good foundation for being open to traffic in advance.
Embodiment 2
Certain speedway bridge floor layer badly broken of mating formation need cut the bridge floor old concrete and mat formation and carry out bridge deck concrete after layer and repair.The design strength of bridge deck pavement mending concrete is C50, design thickness 20cm, 7.5 meters of the width of once constructing.Select 10 of template 11 specification 150cm * 100cm to be spliced into wide 7.5m, grow the whole plate of 2 meters. Support template slideway 16,16 use anchor studs 18 anchorings of template slideway on the ground, regulating lift valve 13, to make template slideway 16 be highly 20cm, and prop up guard in removable template 11 ends.Splice template 11, then assembling motor 15 and gear 14 are placed in whole plate on template slideway 16.It is 80m/s that concrete spraying machine 22 is controlled its jet velocities, expulsion pressure 0.7Mpa, and the translational speed of whole plate is 40m/h, builds that concrete density is good as a result, intensity meets design requirement.Adopt more than 4000 square metre of the method continuous placing, completed in 6 hours, save and vibrate, wipe one's face, repeat the branching standing template program, completed construction in 6 days in advance, for Early Opening to Traffic is laid a good foundation.
Claims (7)
1. concrete pouring fast construction method, comprise moving die plate device (1), concrete spraying builds device (2) and concrete moves mixing device (3), described concrete moves mixing device (3) and builds device (2) by pipeline and concrete spraying and be connected, it is characterized in that: described moving die plate device (1) comprises template (11), described template (11) is lamellar cell cube, the cell cube of template (11) is spliced into whole plate by bolt, described whole plate is by being positioned at template slideway (16) support at whole plate two ends, described whole plate drives by the drive unit that is placed in two template slideways (16) outsides, described drive unit is fixed in whole plate soffit.
2. a kind of concrete pouring fast construction method according to claim 1, it is characterized in that described drive unit mainly contains motor (15), the gear (14) that motor (15) directly drives by motor shaft, and the gear slideway (10) that coordinates with gear forms, described motor (15) is fixed in the soffit of described whole plate by fixed electrical machinery device (17), described gear slideway (10) is fixed in the lateral surface of described template slideway (16).
3. described a kind of concrete pouring fast construction method according to claim 1 and 2, it is characterized in that described template slideway (16) is " L " type structure, its upper surface is provided with the sliding roller that contacts with whole plate, two relative template slideways (16) have vertically surrounded square cavity in part, whole plate and ground, and the horizontal component of template slideway (16) is fixed by anchor studs (18) and ground.
4. a kind of concrete pouring fast construction method according to claim 3, is characterized in that the lower end of described template slideway (16) is equipped with the lift valve (13) of capable of regulating template slideway (16) height.
5. a kind of concrete pouring fast construction method according to claim 1, it is characterized in that described concrete moves mixing device (3) and comprises concrete mixing plant (32), described concrete mixing plant (32) is placed on the first trailer (31), and concrete mixing plant (32) is built device (2) by pipeline and concrete spraying and is connected.
6. a kind of concrete pouring fast construction method according to claim 1 or 5, it is characterized in that described concrete spraying builds device (2) and comprise concrete spraying machine (22) and the spray gun (23) that is connected with described concrete spraying machine (22), concrete spraying machine (22) is placed on the second trailer (21).
7. a kind of concrete pouring fast construction method according to claim 1, it is characterized in that described template (11) structure comprises steel rib (111), be provided with the bolt hole that coordinates with bolt (12) on described steel rib (111), sealing ring (112) is set between steel rib (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102931555A CN102359276B (en) | 2011-09-30 | 2011-09-30 | Concrete pouring fast construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102931555A CN102359276B (en) | 2011-09-30 | 2011-09-30 | Concrete pouring fast construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102359276A CN102359276A (en) | 2012-02-22 |
| CN102359276B true CN102359276B (en) | 2013-06-12 |
Family
ID=45584651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102931555A Active CN102359276B (en) | 2011-09-30 | 2011-09-30 | Concrete pouring fast construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102359276B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677631A (en) * | 2012-05-02 | 2012-09-19 | 广东省源天工程公司 | Concrete vibrating equipment and side slope concrete construction method |
| CN105421786B (en) * | 2015-12-24 | 2017-05-17 | 山东送变电工程公司 | Large steel formwork firewall concrete pumping auxiliary equipment |
| CN105672660B (en) * | 2016-03-14 | 2017-12-08 | 杨高林 | A kind of building concrete cast in situs device |
| CN106223165B (en) * | 2016-07-14 | 2018-08-03 | 厦门木图生态科技有限公司 | A kind of Municipal greenbelt construction intelligent robot mixer |
| CN106012774B (en) * | 2016-07-14 | 2018-05-25 | 湖南工学院 | A kind of road based on hybrid connected structure builds intelligent robot by laying bricks or stones along side |
| CN108560376B (en) * | 2016-07-14 | 2020-12-08 | 嘉兴市金辉建设有限公司 | Masonry robot |
| CN106150096B (en) * | 2016-07-14 | 2018-08-17 | 广州市鼎申科技发展有限公司 | A kind of redundancy four-degree-of-freedom Municipal greenbelt construction intelligent robot |
| CN106120519B (en) * | 2016-07-14 | 2018-08-17 | 上海同派建筑科技有限公司 | One kind building industrial robot by laying bricks or stones with adjustable stock chest |
| CN108253194B (en) * | 2018-01-05 | 2019-12-03 | 南京苏锦电力设备有限公司 | A kind of Pipe installing equipment with ground mending function |
| CN112096078A (en) * | 2019-06-18 | 2020-12-18 | 周惠兴 | Concrete accurate pouring method |
| CN114508053B (en) * | 2022-01-21 | 2023-09-05 | 江苏中车城市发展有限公司 | Basket arch concrete pouring equipment for viaduct |
| CN114606864B (en) * | 2022-03-14 | 2023-12-19 | 交通运输部公路科学研究所 | Construction equipment of telescoping device reservation groove |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU655759A1 (en) * | 1977-10-13 | 1979-04-05 | Государственный всесоюзный дорожный научно-исследовательский институт | Concrete placer sliding form |
| CN1693632A (en) * | 2005-05-25 | 2005-11-09 | 中国人民解放军后勤工程学院 | Vehicle multifunction concrete construction equipment |
| CN201329613Y (en) * | 2008-07-02 | 2009-10-21 | 黑龙江农垦建工路桥有限公司 | Horizontal slide template |
| CN201730313U (en) * | 2010-04-23 | 2011-02-02 | 吴方伯 | Floorslab template used for building |
| CN202247627U (en) * | 2011-09-30 | 2012-05-30 | 石家庄铁道大学 | Concreting block rapid construction system |
-
2011
- 2011-09-30 CN CN2011102931555A patent/CN102359276B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU655759A1 (en) * | 1977-10-13 | 1979-04-05 | Государственный всесоюзный дорожный научно-исследовательский институт | Concrete placer sliding form |
| CN1693632A (en) * | 2005-05-25 | 2005-11-09 | 中国人民解放军后勤工程学院 | Vehicle multifunction concrete construction equipment |
| CN201329613Y (en) * | 2008-07-02 | 2009-10-21 | 黑龙江农垦建工路桥有限公司 | Horizontal slide template |
| CN201730313U (en) * | 2010-04-23 | 2011-02-02 | 吴方伯 | Floorslab template used for building |
| CN202247627U (en) * | 2011-09-30 | 2012-05-30 | 石家庄铁道大学 | Concreting block rapid construction system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102359276A (en) | 2012-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102359276B (en) | Concrete pouring fast construction method | |
| CN102359275B (en) | Concrete pouring fast construction method | |
| CN104911981A (en) | Novel kerb mold sliding machine | |
| CN104632251A (en) | Integrally cast type mould plate trolley and construction method of concrete pouring of underground passage | |
| CN103182731B (en) | Vertical mould | |
| CN111764216A (en) | Construction method and application of fabricated concrete road plate | |
| CN203125669U (en) | Vertical die | |
| CN211517947U (en) | Bridge case roof beam is prefabricated with shaped steel pedestal | |
| CN202247580U (en) | Asphalt pavement precast block | |
| CN109968516B (en) | Comprehensive production system and production method for PC (polycarbonate) components | |
| CN107386246B (en) | A kind of lock chamber wall Construction Through Form on Traveler method | |
| CN103343503B (en) | Bridge-type prefabricated reinforced concrete trough slab wear resistant road surface structural system and construction method | |
| CN202247627U (en) | Concreting block rapid construction system | |
| CN107151958B (en) | Permanent rural highway cement road surface of easy maintenance | |
| CN211547804U (en) | Cantilever type retaining wall rapid construction device | |
| CN109797657B (en) | Cast-in-situ bridge template support system device and bridge cast-in-situ construction method | |
| CN102330559A (en) | Integral hydraulic steel formwork jumbo | |
| CN202250105U (en) | Integral hydraulic steel formwork trolley | |
| CN219240333U (en) | Trolley for construction of cover culvert | |
| CN207934054U (en) | A kind of prefabricated assembled raft foundation | |
| CN204401410U (en) | A kind of simple and easy cast asphalt concrete paver | |
| CN205954456U (en) | Novel curb slipform machine | |
| CN104234071A (en) | Prefabricated and assembled power transmission line tower footing and construction method thereof | |
| KR20040100083A (en) | Bridge construction method is by means of Incremental launching method using lateral launching apparatus | |
| CN208183562U (en) | A kind of device suitable for the construction of slab culvert wall shifting formwork |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |