WO2010005248A2 - 내진형 철근콘크리트 수밀관거 및 그 제조 방법 - Google Patents
내진형 철근콘크리트 수밀관거 및 그 제조 방법 Download PDFInfo
- Publication number
- WO2010005248A2 WO2010005248A2 PCT/KR2009/003765 KR2009003765W WO2010005248A2 WO 2010005248 A2 WO2010005248 A2 WO 2010005248A2 KR 2009003765 W KR2009003765 W KR 2009003765W WO 2010005248 A2 WO2010005248 A2 WO 2010005248A2
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- WO
- WIPO (PCT)
- Prior art keywords
- coupling means
- reinforced concrete
- conduit
- coupling
- watertight
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
- B28B21/58—Steel tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/70—Methods or machines specially adapted for the production of tubular articles by building-up from preformed elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/08—Rigid pipes of concrete, cement, or asbestos cement, with or without reinforcement
- F16L9/085—Reinforced pipes
Definitions
- the present invention relates to an earthquake-resistant reinforced concrete watertight conduit and a construction method thereof, and more particularly to a reinforced concrete watertight conduit equipped with a coupling means made of high-strength synthetic resin or recycled synthetic resin at both ends and a method of manufacturing such a watertight conduit.
- conventional reinforced concrete pipes include wind-simulated reinforced concrete pipes or vibration and suppression (Vibrated and Roiled (VR) type reinforced concrete pipes) according to the manufacturing method. It is produced and used as sewerage and running water, agricultural water and industrial water pipes.
- VR vibration and suppression
- the reinforced concrete pipe is filled with a dough mortar by using a joint or socket connection with a joint mortar.
- a rubber ring (4) as the main bonding material for joining the connections (1, 2) of the reinforced concrete pipe, and the secondary bonding material Inject the compo mortar into the pipe under high pressure, but due to the compaction of the ground, insufficient foundation treatment, or unsatisfactory construction, the pipe is inevitably settled.
- the sealing member 4 As a configuration in which the sealing member 4 is interposed, the concentrated load P such as earth pressure is taken up by the socket part 2, and the watertight seal is a structure that is in charge of the ring-shaped sealing member 4 or a conventional concrete pipe. Failure to solve the damaged part of the part (2), There are breakage and warpage problems such as easily water-tightness of the break of the pipe section (2).
- the cited invention 2 is a slit groove 212 is formed in the socket portion 211, as shown in Figure 3, the buried nut 222 is buried adjacent to the slit groove 212, a plurality of round pipe portion 213
- the fixing groove 214 is formed at the periphery, the sewer pipes 210 and 210 'having inner end jaws 215 and 215' formed on the inner circumferential surface of the socket portion 211 and the circular pipe portion 213, and the circular ring 231 is formed at the inner end thereof.
- the bolt 246 is inserted into the inner sealing member 230 and the fixing groove 214 of the sewer pipe 210 integrally formed with an insertion portion 232 protruding from the center of the outer circumferential surface of the circular ring 231.
- the outer protection part 244 is formed on the outer side to be in close contact with the socket portion 211, the coupling formed of two sets of bolts 246 through the fastening hole 242 'is fixed to the buried nut 222 Rings (240, 240 ') and ,
- the packing 250 is positioned inside the coupling rings 240 and 240 ', and the bolt 246 penetrates horizontally to be in close contact with the vertical surface of the socket portion 211, and a plurality of sewer pipes 210 and 210'.
- connection configuration is complicated, the use of many components, the increase in manufacturing cost is inevitable, and there is a problem that the construction process is complicated and long.
- the object of the present invention is to prevent the breakage of both ends of the reinforced concrete watertight conduit to solve this problem, excellent watertightness, while minimizing the influence of concentrated load, and at the same time high strength to easily connect the watertight conduit to each other
- the present invention provides a seismic reinforced concrete watertight conduit having a coupling means finely processed into synthetic resin or recycled synthetic resin, and a method of manufacturing such a watertight conduit.
- the present invention is a known reinforced concrete conduit in which a reinforcing steel bar assembled with transverse and longitudinal reinforcing bars is located in the inner layer of concrete, in order to achieve the above object, both ends of the conduit-forming body are provided with iron-coupling means provided with coupling projections; Coupling means comprising a coupling means consisting of a recess coupling means provided with a coupling recess, the above-mentioned iron coupling means and recess coupling means is made of the same material and thickness of the reinforced concrete conduit but different physical properties, in order to ensure water tightness Sophisticated molding of both ends of the convex and concave coupling means is made of high strength synthetic resin or regenerative synthetic resin, and a metal core is embedded therein to increase durability and shock resistance and to increase the strength of the convex and concave coupling means.
- the present invention is to prepare a reinforcing bar consisting of transverse reinforcing bars and longitudinal reinforcing bar and wrap the form around the formwork, injecting concrete into the formwork, heating and rotating all of them by the centrifugal force to place the rebar network in the inner layer
- a reinforcing bar consisting of transverse reinforcing bars and longitudinal reinforcing bar and wrap the form around the formwork, injecting concrete into the formwork, heating and rotating all of them by the centrifugal force to place the rebar network in the inner layer
- a metal core is placed inside a mold during molding of the joining means, and the molten resin is injected into the cavity at a high pressure.
- the form installation step and curing step that surround the form with the formwork are sequentially After performing the formwork installation step and curing step to surround the form around the formwork as in the method of manufacturing the reinforced concrete watertight conduit as described above to produce a reinforced concrete watertight conduit in the middle portion, the both ends of the reinforced concrete watertight conduit.
- the molten resin is injected and filled at high pressure, cooled, and demolded to sequentially form a molding step for
- the present invention is formed on both ends of the reinforced concrete pipe by forming the coupling means formed by high-strength synthetic resin or regenerated synthetic resin on both ends of the reinforced concrete pipe is strong against deformation and concentrated load, the material of the coupling means is brittle and formed of flexible plastic with good flexibility As it is excellent in watertightness, it is possible to solve the conventional problems because it is not damaged by external impact and recycle the discarded synthetic resin, and it is simple to manufacture and construct such seismic reinforced concrete watertight pipe, reducing installation time and cost and maintaining There is a useful effect that is easy to manage.
- the coupling method of the present invention can visually check the coupling state and can not be changed after coupling, so that the jungle phenomenon that can occur after coupling as in the known socket joint method is eliminated, there is no inconvenience such as reconstruction, watertightness It is easy to test and has a useful effect to ensure high watertightness.
- 1 is a diagram illustrating a problem of conventional reinforced concrete watertight pipe
- Cited Invention 1 is a cross-sectional view showing the configuration of Cited Invention 1;
- Cited Invention 2 is an exploded perspective view showing the configuration of Cited Invention 2;
- Figure 4 is a perspective view showing a specific embodiment of the earthquake-resistant reinforced concrete watertight pipe according to the present invention.
- Figure 5 is an exploded perspective view showing a specific embodiment of the seismic reinforced concrete watertight conduit according to the present invention.
- Figure 6 is an assembly view showing a specific embodiment of the seismic reinforced concrete watertight conduit according to the present invention.
- FIG. 7, 8, and 9 are cross-sectional views showing specific examples of the seismic reinforced concrete watertight conduit according to the present invention.
- FIG. 10 is an exploded perspective view for explaining a method for fixing a rebar network of another embodiment of a seismic reinforced concrete watertight conduit according to the present invention
- FIG. 11 is a perspective view showing another embodiment of the seismic reinforced concrete watertight conduit according to the present invention.
- FIG. 12 is a cross-sectional view showing another embodiment of the seismic reinforced concrete watertight conduit according to the present invention.
- Figure 13 is a cross-sectional view showing a buffer groove of the seismic reinforced concrete watertight conduit according to the present invention.
- protruding jaw 40 lumbar coupling means
- FIG. 4 illustrates a concrete embodiment of the seismic resistant reinforced concrete 10 watertight pipe according to the present invention.
- the present invention is a water-tight sealing of known reinforced concrete 10 by placing the reinforcing bar 20 assembled with transverse reinforcing bars 21 and longitudinal reinforcing bars 22 in the inner layer of the concrete 10
- both ends of the conduit molded body are provided with iron-joining means 30 and recessed-joining means 40 formed by forming a high-strength synthetic resin or a regenerated synthetic resin having the same physical shape and thickness but having different physical properties.
- the aforementioned iron coupling means 30 and the recess coupling means 40 is provided with a coupling protrusion 31 and a recess recess 41 formed with a protruding screw portion as shown in FIGS. 7 and 8, respectively.
- These screw coupling is a series coupling of the conduit is made, at this time, when the series connection of the watertight conduit between each of the ring insertion groove 71 formed in the end of each of the iron coupling means 30 and the recess coupling means 40 in contact with each other Ring insert groove (7) 1) If the water-tight ring 70 of elastic material rather than the standard is installed on one side, and the water-tight tube to be combined is rotated, the water-tight ring 70 is pressed into the opposite direction by being inserted into the ring insertion groove 71 on the opposite side. It is to increase the watertightness in the part.
- the conventional conduit coupled in the form of a known socket or collar easily leaks when vibration or deformation occurs, but the fastening configuration of the iron coupling means 30 and the recess coupling means 40 of the present invention, the connection portion is separated It is excellent in seismic resistance that does not leak because it does not leak out.
- the same metal material as the core 50 protruding to the outside is formed integrally with the core 50. Since the extension rod 51 is formed in the core 50 as shown in FIG. 5, the extension rod 51 and the reinforcement mesh 20 of the reinforced concrete pipe 10 are integrally connected by welding as shown in FIG. 6. It is possible to connect and connect the reinforced concrete pipe 10 and the iron coupling means 30 and the recess coupling means 40 of different materials, and the iron coupling means 30 and the recess in the bonding direction as shown in FIG. The side of the coupling means 40 may be added by forming the concave portion 60 to fill the concrete 10 is poured during the molding of the conduit to increase the bonding and watertightness.
- the binding portion 53 is formed on the fastening surface to which the iron coupling means 30 and the recess coupling means 40 formed by the high strength synthetic resin or the regenerated synthetic resin are fastened to the rebar network 20.
- the connection of the binding port 53 of the iron coupling means 30 and the recess coupling means 40 is connected to the longitudinal reinforcing bars 22 at both ends of the reinforcing bar 20 and the binding holes 53 and the respective iron coupling means 30.
- And inserted into the inner gap with the recess coupling means 40 or the transverse reinforcing bar 21 can be assembled so as not to be separated from each other by inserting into the groove between the pair of fastening holes 53 protruding in pairs and bound by welding or the like. .
- the combination of the iron coupling means 30 and the recess coupling means 40 is also possible by screw coupling as described above, in another embodiment as shown in Figure 11 coupling projections of the iron coupling means 30 ( 31 and the protrusion jaw 32 and the recess groove 42 formed uniformly intersecting with each other in the coupling recess 41 of the recess coupling means 40 are formed to be inserted rotationally coupled to such a protrusion jaw 32 and The convex coupling means 30 and the concave coupling means 40 formed with the concave indentation groove 42 are interlocked with each other, and then the reinforced concrete conduit to be connected can be turned to one side to achieve a series coupling of conduits.
- each coupling protrusion 31 of the aforementioned iron coupling means 30 and the coupling recess 41 of the recess coupling means 40 are inserted into each coupling protrusion 31 to enable direct coupling with each other.
- the projection jaw 32 is formed at the end of the coupling groove 41 and the recess groove 42 is formed at the rear thereof. Push the watertight conduit to be coupled to the coupling projection 31 in the opposite direction of the connection progression by a known connection method, or pulled by the tension means in the watertight conduit connected to the lumbar coupling means (40).
- each protruding jaw 32 may be engaged with the indentation groove 42 of the opponent so as to be coupled and fixed by direct coupling.
- the iron coupling means 30 and the main coupling means composed of a synthetic resin, which is a brittle and flexible material, is more brittle than rigid reinforced concrete.
- a continuous ring-shaped buffer groove 61 is formed on the inner and outer side surfaces of the 40 to prevent deformation of the coupling means due to absorption and linear change of the impact and stress of the connection portion.
- the method for manufacturing the seismic reinforced concrete 10 watertight pipe is to prepare a reinforcing steel bar (20) consisting of transverse reinforcing bar 21 and longitudinal reinforcing bar (22) and the formwork surrounding the formwork surrounding the formwork and Injecting a certain amount of concrete 10 into the formwork, heating and rotating all of them to cure and cure in the state where the reinforcing bar 20 is located in the inner layer by centrifugal force, and complementaryly connected to both ends of the conduit
- the metal core 50 is placed inside the synthetic resin molding mold, and the molten resin is injected into the cavity at high pressure to fill it.
- the forming step of forming the iron coupling means 30 and the recess coupling means 40, and the amount of the reinforcing bar network 20 prepared for the formed iron coupling means 30 and the recess coupling means 40 It is composed of a fixing step fixed to the end, after performing the forming step and the fixing step, the iron coupling means 30 and the recess coupling means 40 is formed, as in the known method of manufacturing the reinforced concrete 10 watertight conduits described above. It can be manufactured by sequentially performing the formwork installation step and curing step of wrapping the circumference of the fixed reinforcing bar 20 with formwork.
- the molten resin may be injected into the cavity at high pressure, filled, cooled, and demolded to sequentially form a molding step of forming the iron coupling means 30 and the recess coupling means 40.
- the fixing step described above is extended from the core 50 to both ends of the reinforcing bar network 20 as shown in FIGS.
- the longitudinal reinforcing bar 22 of both ends of the reinforcing bar 20 and the binding port 53 It may be made of a process of inserting into the inner gap of the iron coupling means 30 and the recess coupling means 40 or by inserting the transverse reinforcing bar 21 into the groove between the pair of binding holes 53 protruding from each other.
- the seismic-type reinforced concrete (10) watertight conduits thus manufactured are transported to the construction equipment so that the conduit and conduit at the construction site is placed so that the iron coupling means 30 and the lumbar coupling means 40 face each other, By rotating or advancing one of the conduits to be able to easily combine the sewage pipes.
- the binding method of the present invention is a structure that can be visually confirmed the binding phase and can not be changed after coupling.
Abstract
Description
Claims (17)
- 콘크리트의 내층에 횡철근과 종철근으로 조립된 철근망이 위치하도록 하여서 된 공지의 철근콘크리트 관거에 있어서,관거 성형체의 양단에 결합돌기가 구비된 철부결합수단과 결합요홈이 구비된 요부결합수단으로 구성된 결합수단을 구비하되,전술한 관거 양단 철부결합수단과 요부결합수단은 관거의 형태나 두께는 같도록 하나 물리적 성질이 다른 소재인 합성수지로 성형 가공하여서 됨을 특징으로 하는 내진형 철근 콘크리트 수밀관거.
- 청구항 1에 있어서,전술한 철부결합수단의 결합돌기와 요부결합수단의 결합요홈은 상호 돌출 나사부 및 요입 나사부로 성형하여 나사결합이 되도록 함을 특징으로 하는 내진형 철근 콘크리트 수밀관거.
- 청구항 1에 있어서,전술한 철부결합수단의 결합돌기와 요부결합수단의 결합요홈은 상호 교차하여 균일간격으로 형성된 돌출턱과 요입홈이 상호 맞물리어 삽입 회전결합이 되도록 함을 특징으로 하는 내진형 철근콘크리트 수밀관거.
- 청구항 1에 있어서,전술한 철부결합수단의 결합돌기와 요부결합수단의 결합요홈은 상호 삽입하여 직결합이 가능하도록 각각의 결합돌기와 결합요홈의 끝단에는 돌출턱을 형성하고 그 후면에 요입홈을 형성하여 삽입 시에 상호 맞물리어 직결합이 되도록 함을 특징으로 하는 내진형 철근콘크리트 수밀관거.
- 청구항 1에 있어서,전술한 철부결합수단과 요부결합수단은 그 내부에 금속재 코어가 내장됨을 특징으로 하는 내진형 철근콘크리트 수밀관거.
- 청구항 5에 있어서,전술한 코어에 리브가 형성됨을 특징으로 하는 철근콘크리트 수밀관거.
- 청구항 5에 있어서,전술한 코어에 외부로 연장간이 돌출되도록 코어와 일체로 형성하여서 됨을 특징으로 하는 내진형 철근콘크리트 수밀관거.
- 청구항 7에 있어서,전술한 연장간이 콘크리트 내층의 철근망과 용접되도록 함을 특징으로 하는 내진형 철근콘크리트 수밀관거.
- 청구항 1에 있어서,전술한 철부결합수단과 요부결합수단이 관거 성형체와 연결되는 연결면에 요입부가 형성되어 요입부에 관거 성형 시 타설되는 콘크리트가 채워짐을 특징으로 하는 내진형 철근콘크리트 수밀관거.
- 청구항 1에 있어서,전술한 철부결합수단과 요부결합수단이 철근망과 체결되는 체결면에 철근망의 종철근과 횡철근이 삽입되어 조립되는 결속구가 형성됨을 특징으로 하는 내진형 철근콘크리트 수밀관거.
- 청구항 1에 있어서,전술한 철부결합수단과 요부결합수단의 양단이 맞닿는 수밀부 양측의 각 면에 링 삽입홈이 형성되며, 그 공간에 체결 진행방향으로 압착되는 탄성재질의 수밀링이 링삽입홈 규격보다 다소 큰 규격으로 설치함을 특징으로 하는 내진형 철근콘크리트 수밀관거.
- 청구항 1에 있어서,전술한 철부결합수단과 요부결합수단의 내측면 및 외측면에 내부로 함몰된 링형태의 완충홈이 형성됨을 특징으로 하는 내진형 철근콘크리트 수밀관거.
- 횡철근과 종철근으로 구성된 철근망을 준비하여 그 둘레를 거푸집으로 감싸는 거푸집설치단계와, 거푸집 내부에 콘크리트를 주입하고 이들 전체를 가열하며 회전시켜 원심력에 의하여 철근망이 내층에 위치한 상태에서 양생, 경화되도록 하는 양생단계를 순차 실시하는 공지의 철근콘크리트 수밀관거를 제조하는 방법에 있어서,결합수단의 성형 시 몰드 내측에 금속제 코어를 넣고, 그 캐비티에 용융된 레진을 고압으로 주입하여 채우고, 냉각시킨 다음 탈형하여 철부결합수단과 요부결합수단을 성형하는 성형단계와, 성형된 철부결합수단과 요부결합수단을 준비된 철근망의 양단과 고정하는 고정단계를 실시한 후,전술한 철근콘크리트 수밀관거 제조 방법과 같이 그 둘레를 거푸집으로 감싸는 거푸집설치단계와 양생단계를 순차적으로 실시함을 특징으로 하는 제1항의 내진형 철근콘크리트 수밀관거를 제조하는 방법.
- 횡철근과 종철근으로 구성된 철근망을 준비하여 그 둘레를 거푸집으로 감싸는 거푸집설치단계와, 거푸집 내부에 콘크리트를 주입하고 이들 전체를 가열하며 회전시켜 원심력에 의하여 철근망이 내층에 위치한 상태에서 양생, 경화되도록 하는 양생단계를 순차 실시하는 공지의 철근콘크리트 수밀관거를 제조하는 방법에 있어서,전술한 철근콘크리트 수밀관거 제조 방법과 같이 그 둘레를 거푸집으로 감싸는 거푸집설치단계와 양생단계를 순차적으로 실시하여 중간부분의 철근콘크리트 수밀관거를 제작한 후,상기 철근콘크리트 수밀관거 양단에 돌출된 철근망에 금속제 코어의 연장간을 형성하여 고정하는 고정단계와, 양단의 철근망과 코어를 감싸며 관거의 직렬 결합이 가능하도록 하는 결합수단의 성형을 위한 성형몰드를 설치한 후 그 캐비티에 용융된 레진을 고압으로 주입하여 채우고, 냉각시킨 다음 탈형하여 철부결합수단과 요부결합수단을 성형하는 성형단계를 순차적으로 실시함을 특징으로 하는 제1항의 내진형 철근콘크리트 수밀관거를 제조하는 방법.
- 청구항 13 또는 청구항 14에 있어서,전술한 고정단계는 철근망의 양단에 코어로부터 연장되어 외부로 돌출된 연장간을 스포트 용접으로 용접하여 철부결합수단과 요부결합수단을 철근망에 고정하는 단계임을 특징으로 하는 제1항의 내진형 철근콘크리트 수밀관거를 제조하는 방법.
- 청구항 13 또는 청구항 14에 있어서,전술한 고정단계는 철근망의 양단에 돌출된 종철근의 끝단을 철부결합수단과 요부결합수단의 결속구에 삽입하여 고정하는 단계임을 특징으로 하는 제1항의 내진형 철근콘크리트 수밀관거를 제조하는 방법.
- 청구항 13 또는 청구항 14에 있어서,전술한 결합수단은 고강도합성수지 또는 재생합성수지로 성형 가공하여 형성됨을 특징으로 하는 제1항의 내진형 철근콘크리트 수밀관거를 제조하는 방법.
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US13/003,637 US8622093B2 (en) | 2008-07-11 | 2009-07-09 | Vibration-resistant reinforced concrete watertight pipe and method of manufacturing the same |
CN200980127232.0A CN102089482B (zh) | 2008-07-11 | 2009-07-09 | 抗震型钢筋混凝土水密性管道 |
JP2011517351A JP5132005B2 (ja) | 2008-07-11 | 2009-07-09 | 耐震型鉄筋コンクリート水密管渠およびその製造方法 |
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KR1020080067749A KR101042715B1 (ko) | 2008-07-11 | 2008-07-11 | 내진형 철근콘크리트 수밀관거 및 그 제조 방법 |
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CN106481514A (zh) * | 2016-10-08 | 2017-03-08 | 霍尔果斯新国金新能源科技有限公司 | 塔筒及其钢筋笼 |
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Also Published As
Publication number | Publication date |
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JP2011527735A (ja) | 2011-11-04 |
KR101042715B1 (ko) | 2011-06-20 |
US8622093B2 (en) | 2014-01-07 |
CN102089482A (zh) | 2011-06-08 |
KR20100007219A (ko) | 2010-01-22 |
JP5132005B2 (ja) | 2013-01-30 |
CN102089482B (zh) | 2014-03-26 |
WO2010005248A3 (ko) | 2010-05-27 |
US20110108151A1 (en) | 2011-05-12 |
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