CN104195988A - Concrete vibrating method for large-span U-shaped thin-wall aqueduct - Google Patents
Concrete vibrating method for large-span U-shaped thin-wall aqueduct Download PDFInfo
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- CN104195988A CN104195988A CN201410470280.2A CN201410470280A CN104195988A CN 104195988 A CN104195988 A CN 104195988A CN 201410470280 A CN201410470280 A CN 201410470280A CN 104195988 A CN104195988 A CN 104195988A
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Abstract
The invention provides a concrete vibrating method for a large-span U-shaped thin-wall aqueduct. The concrete vibrating method includes the following steps: mounting multiple external-mold-attached vibrators on the external wall of an external mold of a groove forming machine, wherein mounting positions of the external-mold-attached vibrators correspond to positions of circular-arc sections of an aqueduct body of the large-span U-shaped thin-wall aqueduct; arranging at least one row of the external-mold-attached vibrators at the end head of the external mold; mounting multiple internal-mold-attached vibrators on the internal wall of an internal mold of the groove forming machine; vibrating the inside of a bin by flexible-shaft vibrating rods, and starting the attached vibrators at corresponding positions. In the concrete vibrating method, high-frequency attached vibrators are reasonably mounted and fixed on the external mold of the groove forming machine, the internal mold of the groove forming machine and a mold plate at the end head of the aqueduct, and discharging windows are additionally arranged on an inner mold plate of the aqueduct and serve as vibrating windows of the flexible-shaft vibrating rods, so that concrete vibrating construction quality is improved, concrete construction progress is accelerated, and the outer surface of concrete is free of appearance defect like bubbles and pitted surface.
Description
Technical field
The present invention relates to large-scale water delivery aqueduct construction field, particularly can be used for the U-shaped thin wall slot concrete vibrating of a kind of large span method of water conservancy, water power, bridges and culverts construction field.
Background technology
In water conservancy, water power, highway bridge and culvert and the construction of building construction industry, commonly use concrete and construct as the constituent material of primary structure thing, the concrete material at home and abroad application of construction market is very extensive.The feature of concrete structure is that concrete pouring quality directly affects the stress-bearing capability of structure and uses safety and engineering service time, because concrete pouring quality can be subject to the applicability of the reasonability of Vibration Technology and the equipment that vibrates, affect, therefore select rational concrete vibrating construction method particularly important.
For example certain hydraulic engineering is water delivery aqueduct, groove is as the U-shaped thin wall construction of fully prestressed concrete, the long 40m of single span, empty size in cell body (high * wide) 7.23m * 9.0m, outer space size (high * wide) 8.7m * 10.3m, cell body span centre wall thickness 35cm, cell body end rib wall thickness 65cm, the thick 147cm of end rib place base plate, the thick 100cm of middle part base plate, cell body is conducted oneself with dignity approximately 1600 tons, and aqueduct design discharge is 350m3/s, and maximum stream flow is 420m3/s.Adopt the one-shot forming of Channel Maker cast-in-situ.Cell body reinforcement installation 98.5t, reinforcing bar minimum spacing 5.8cm, arranges prestress wire 38.26t, steel strand minimum spacing 7.5cm, and be positioned at the centre of analysis on aqueduct structure, the concrete construction of vibrating has been produced to many adverse influences.Channel Maker external mold is totally enclosed large section mould plate, and internal mold is also totally-enclosed template, and most of works template is enclosed construction, concrete vibrating difficulty, and in concrete, bubble is difficult to discharge, and causes concrete surface to produce the appearance qualities such as bubble, pitted skin.
Summary of the invention
Technical problem to be solved by this invention is to provide the U-shaped thin wall slot concrete vibrating of a kind of large span method, can solve the technical problem that concrete surface easily produces bubble, pitted skin, improve concrete vibrating construction quality, accelerate concrete construction progress, in the scheme of optimizing, distribution control box is arranged on to the walking passage of Channel Maker external mold bottom, avoids personal height operation, improved engineering construction safety.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: the U-shaped thin wall slot concrete vibrating of a kind of large span method, comprises the following steps:
One, a plurality of external mold attached vibrators are installed on Channel Maker external mold outer wall, the installation site of external mold attached vibrator is corresponding with the position of aqueduct cell body arc section;
Two, at least one row external mold of external mold tip placement attached vibrator;
Three, a plurality of internal mold attached vibrators are installed on Channel Maker internal mold inwall;
Four, with cable, connect distribution control box and each attached vibrator;
Five, before concreting, the power distribution equipment of building in storehouse is connected, built the appropriate flexible axle vibrating spear of configuration in storehouse, and switch on power;
Six, during concrete warehousing, first build the position, termination, upstream and downstream of aqueduct cell body, in storehouse, with flexible axle vibrating spear, vibrate, concrete distributing during to position, end rib corner, is opened the external mold attached vibrator that is positioned at external mold tip;
When seven, position, termination concrete surface is built to base plate bottom surface, middle part elevation, from span centre, start successively evenly to build from bottom to up to termination, and carry out base plate position concrete vibrating;
Vibrate order for to vibrate successively along blanking direction, while vibrating, control flexible axle vibrating spear at every turn and penetrate lower-layer concrete 3-5cm, guarantee that upper and lower layer concrete is combined into one;
Eight,, in floor section casting process, according to concreting direction, open successively the lower exclusive mould attached vibrator on Channel Maker external mold;
Nine, building within the scope of arc section, from span centre, start successively evenly to build from bottom to up to termination, vibrate order for to vibrate successively along blanking direction, while vibrating, control flexible axle vibrating spear at every turn and penetrate lower-layer concrete 3-5cm, guarantee that upper and lower layer concrete is combined into one; And external mold attached vibrator and internal mold attached vibrator near corresponding unlatching blanking window;
Ten, building in stalk segment limit, from span centre, start successively evenly to build from bottom to up to termination, vibrate order for to vibrate successively along blanking direction, while vibrating, control flexible axle vibrating spear at every turn and penetrate lower-layer concrete 3-5cm, guarantee that upper and lower layer concrete is combined into one;
By above-mentioned steps, realize the concrete construction of vibrating of the U-shaped thin wall slot of large span, guarantee that concrete pouring quality meets the demands.
Optimize, in step 1, external mold attached vibrator is arranged on the both sides, upstream and downstream of every external fin, along the aqueduct cell body longitudinal axis left and right sides, is evenly arranged.
Optimize, in step 3, interlaced arrangement between every row's internal mold attached vibrator.
Optimize, in step 6, eight, nine, the opening time of attached vibrator is 20-30 second.
Optimize, in step 6, during concreting, build at first the larger position of base plate thickness at position, termination, upstream and downstream, first start flexible axle vibrating spear and close a position and vibrate, restart that external mold attached vibrator is auxiliary to carry out position, corner and vibrate.
Optimize, in step 7, the bottom parts of aqueduct cell body successively vibrates to two from middle, vibrates and take flexible axle vibrating spear as main, descends row's external mold attached vibrator to carry out position, corner most and vibrates.
Optimize, in step 9, the blanking window of the arc section of aqueduct cell body is comprised of many rows, build while vibrating from end next row blanking window, from groove body span centre to two ends one by one blanking window vibrate, this row blanking window concreting and vibrated after, close window one by one, fixed with bolt, then start building and the construction of vibrating of last layer blanking window, complete successively the concreting of total and the construction of vibrating.
Optimize, in step 10, during the construction of stalk section, from aqueduct cell body wall top, with flexible axle vibrating spear, vibrate.
Optimize, in Channel Maker external mold bottom, be provided with walking passage, described distribution control box is positioned on walking passage.
The U-shaped thin wall slot concrete vibrating of a kind of large span provided by the invention method, by reasonably fixing high frequency attached vibrator being installed at Channel Maker external mold, Channel Maker internal mold and the termination position template of aqueduct, and on aqueduct inner formword, set up blanking window, simultaneously also as the window that vibrates of flexible axle vibrating spear; And formulation is reasonably vibrated sequentially, control vibrating time and a distance of vibrating, from works both ends, start to vibrate, progressively complete the concrete vibrating of bottom end, middle part and arc section and top stalk section, thereby improved concrete vibrating construction quality, accelerated concrete construction progress.Concrete external surface is without open defects such as bubble, pitted skins.The construction method of vibrating adopting in preferred version has not only further improved concrete vibrating construction quality, accelerate concrete construction progress, and on the walking passage of facade, switch board is set outside Channel Maker, without personal height operation, improved engineering construction safety.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the invention will be further described:
Fig. 1 is that the external mold attached vibrator of Channel Maker external mold in the present invention is arranged schematic diagram.
Fig. 2 is that the internal mold attached vibrator of Channel Maker internal mold in the present invention is arranged schematic diagram.
Fig. 3 is the cross sectional representation of mould assembly in Channel Maker external mold and Channel Maker in the present invention.
The schematic diagram that Fig. 4 is aqueduct cell body placement layer by layer in the present invention, vibrate.
In figure: Channel Maker external mold 1, external mold attached vibrator 2, internal mold attached vibrator 2', external fin 3, external mold tip 4, Channel Maker internal mold 5, arc section the 4th row's blanking window 6, arc section the 3rd row's blanking window 7, arc section second row blanking window 8, arc section first row blanking window 9, floor section second row blanking window 10, distribution control box 11, middle part base plate 12, position, termination 13, walking passage 14, top stalk section 15, outer beam 16, contact beam 17, interior girder 18, aqueduct cell body 19, floor section first row blanking window 20, floor section D, arc section F, stalk section Z.
The specific embodiment
In Fig. 1 ~ 4, the U-shaped thin wall slot concrete vibrating of a kind of large span method, take certain hydraulic engineering water delivery aqueduct is example, aqueduct cell body 19 is the U-shaped thin wall construction of fully prestressed concrete, the long 40m of single span, high * wide 7.23m * 9.0m of empty size in cell body, high * wide 8.7m * 10.3m of outer space size, cell body span centre wall thickness 35cm, cell body end rib wall thickness 65cm, the thick 147cm of end rib place base plate, the thick 100cm of middle part base plate, cell body is conducted oneself with dignity approximately 1600 tons, adopts the one-shot forming of DZ40/1600U type Channel Maker cast-in-situ.Cell body reinforcement installation 98.5t, reinforcing bar minimum spacing 5.8cm, arranges prestress wire 38.26t, steel strand minimum spacing 7.5cm, and be positioned at the centre of analysis on aqueduct structure, the concrete construction of vibrating has been produced to many adverse influences.Formulate accordingly the construction method of vibrating, comprise the following steps:
One, a plurality of external mold attached vibrators 2 are installed on Channel Maker external mold 1 outer wall, the installation site of external mold attached vibrator 2 is corresponding with the position of aqueduct cell body 19 arc section F; Attached vibrator can be with moving platen dither together, and frequency is higher than 2000Hz/min, thereby overcomes the open defects such as concrete external surface bubble, pitted skin.Due to the complex structure of Channel Maker, and limited space, the selection of the installation site of attached vibrator is just extremely important.
Optimize, external mold attached vibrator 2 is arranged on the both sides, upstream and downstream of every external fin 3, along the aqueduct cell body 19 longitudinal axis left and right sides, is evenly arranged.Each external mold attached vibrator 2 is numbered, and as shown in fig. 1, is respectively W1 ~ W12 row, and every row are divided into upper, middle and lower row.
Two, at external mold tip 4, arrange at least one row external mold attached vibrator 2; In Fig. 1, D1 ~ D2 row, every row are divided into upper, middle and lower row.
Three, a plurality of internal mold attached vibrator 2' are installed on Channel Maker internal mold 5 inwalls; Each internal mold attached vibrator 2' is numbered, in Fig. 2, and N1 ~ N12 row, every row are divided into upper and lower row.
Optimize interlaced arrangement between every row's internal mold attached vibrator 2'.Wherein upper row's internal mold attached vibrator 2' is arranged between arc section the 3rd row's blanking window 7 and arc section second row blanking window 8, and lower row's internal mold attached vibrator 2' is roughly concordant with arc section first row blanking window 9.
Four, with cable, connect distribution control box 11 and each attached vibrator;
Optimize as in Fig. 1, in Channel Maker external mold 1 bottom, be provided with walking passage 14, described distribution control box 11 is positioned on walking passage 14.Structure, avoids high-altitude construction thus, improves working security.
Walking passage 9 and the inner installing cables respectively of Channel Maker internal mold 5 at Channel Maker, arrange distribution control box 11, the cable of each attached vibrator connected, and checked the fine status of each attached vibrator.
Five, before concreting, the source power distribution equipment of building in storehouse is connected, built the flexible axle vibrating spear of configuration 5 diameter 70mm, 16 diameter 50mm in storehouse, the long 6m of flexible pipe, and switch on power;
Six, during concrete warehousing, first symmetrically build the position, termination, upstream and downstream 13 of aqueduct cell body 19, in storehouse, with Φ 70mm flexible axle vibrating spear, vibrate, concrete distributing during to position, end rib corner, is opened and is positioned at the external mold attached vibrator 2 of arranging under D1, the D2 of external mold tip 4; Opening time is controlled at 20 ~ 30 seconds, preferably 20 ~ 25 seconds.
Optimize, during concreting, build at first the larger position of base plate thickness at position, termination, upstream and downstream 13, first start flexible axle vibrating spear and close a position and vibrate, restart that external mold attached vibrator 2 is auxiliary to carry out position, corner and vibrate.
When seven, position, termination 13 concrete surfaces are built to middle part base plate 12 bottom surface elevation, from span centre, start successively evenly to build from bottom to up to termination, every 2.5m arranges a Φ 50mm flexible axle vibrating spear, carries out base plate position concrete vibrating.Vibrate order for to vibrate successively along blanking direction, while vibrating, control flexible axle vibrating spear at every turn and penetrate the about 3-5cm of lower-layer concrete, guarantee that upper and lower layer concrete is combined into one.Vibrate in process, flexible axle vibrating spear is twitched slightly up and down, makes concrete vibrating closely knit, and the point control of vibrating, in 40cm spacing, is inserted point evenly distributed, and order is carried out, and must not omit.The reasonable arrangement workman of vibrating, adopts single ranks form, determines position, people bonding part and vibrates, in order to avoid leak, shakes.
Optimize, the bottom parts of aqueduct cell body 19 successively vibrates to two from middle, vibrates and take flexible axle vibrating spear as main, open to descend row's external mold attached vibrator 2 to carry out position, corner most to vibrate, as under the W1 in Fig. 1 ~ W12 under.Opening time is controlled at 20 ~ 30 seconds, preferably 20 ~ 25 seconds.
Eight,, in floor section D casting process, according to concreting direction, open successively the lower exclusive mould attached vibrator 2 on Channel Maker external mold 1; Opening time is controlled at 20 ~ 30 seconds, preferably 20 ~ 25 seconds.
Nine, building within the scope of arc section F, every layer when build, from span centre, start successively evenly to build from bottom to up to termination, as shown in Figure 4, vibrate order for to vibrate successively along blanking direction, while vibrating, control flexible axle vibrating spear at every turn and penetrate lower-layer concrete 3-5cm, guarantee that upper and lower layer concrete is combined into one; And external mold attached vibrator 2 and internal mold attached vibrator 2' near corresponding unlatching blanking window; Opening time is controlled at 20 ~ 30 seconds, preferably 20 ~ 25 seconds.
Optimize, the blanking window of the arc section F of aqueduct cell body 19 is comprised of many rows, builds while vibrating and from arc section first row blanking window 9, arc section second row blanking window 8, arc section the 3rd row's blanking window 7 and arc section the 4th row's blanking window 6 layerings, builds and vibrate successively;
When arc section first row blanking window 9 flexible axle vibrating spears vibrate, with reference to the concrete vibrating mode in step 7, and correspondingly open the external mold attached vibrator 2 of arranging in W1 ~ W12 on Channel Maker external mold 1, and the internal mold attached vibrator 2' arranging under the N1 ~ N12 of Channel Maker internal mold 5.
When arc section second row blanking window 8 ~ arc section the 4th row's blanking window 6 flexible axle vibrating spears vibrate, with reference to the concrete vibrating mode in step 7, and correspondingly open the external mold attached vibrator 2 of the upper row of W1 ~ W12 on Channel Maker external mold 1, and the upper row's of the N1 ~ N12 of Channel Maker internal mold 5 internal mold attached vibrator 2'.
Every layer when vibrate, from groove body span centre to two ends one by one blanking window vibrate, this row blanking window concreting and vibrated after, close window one by one, fixed with bolt, then start building and the construction of vibrating of last layer blanking window, complete successively the concreting of total and the construction of vibrating.
Ten, building within the scope of stalk section Z, from span centre, start successively evenly to build from bottom to up to termination, vibrate order for to vibrate successively along blanking direction, while vibrating, control flexible axle vibrating spear at every turn and penetrate lower-layer concrete 3-5cm, guarantee that upper and lower layer concrete is combined into one; Specifically with reference to the concrete vibrating mode in step 7.
Optimize, during stalk section Z construction, from aqueduct cell body 19 wall tops, with flexible axle vibrating spear, vibrate.As shown in Figure 3, Channel Maker internal mold 5 adopts the folding structure of top section, the operation of being therefore convenient to vibrate.
By above-mentioned steps, realize the concrete construction of vibrating of the U-shaped thin wall slot of large span, guarantee that concrete pouring quality meets the demands.
The above embodiments are only the preferred technical solution of the present invention; and should not be considered as for restriction of the present invention; the technical scheme that protection scope of the present invention should be recorded with claim, comprises that the alternative that is equal to of technical characterictic in the technical scheme that claim records is protection domain.Being equal within the scope of this, replaces and improves, also within protection scope of the present invention.
Claims (9)
1. the U-shaped thin wall slot concrete vibrating of a large span method, is characterized in that comprising the following steps:
One, on Channel Maker external mold (1) outer wall, a plurality of external mold attached vibrators (2) are installed, the installation site of external mold attached vibrator (2) is corresponding with the position of aqueduct cell body (19) arc section (F);
Two, at external mold tip (4), arrange at least one row external mold attached vibrator (2);
Three, on Channel Maker internal mold (5) inwall, a plurality of internal mold attached vibrators are installed (2');
Four, with cable, connect distribution control box (11) and each attached vibrator;
Five, before concreting, the power distribution equipment of building in storehouse is connected, built the appropriate flexible axle vibrating spear of configuration in storehouse, and switch on power;
Six, during concrete warehousing, first build the position, termination, upstream and downstream (13) of aqueduct cell body (19), in storehouse, with flexible axle vibrating spear, vibrate, concrete distributing during to position, end rib corner, is opened the external mold attached vibrator (2) that is positioned at external mold tip (4);
When seven, position, termination (13) concrete surface is built to middle part base plate (12) bottom surface elevation, from span centre, start successively evenly to build from bottom to up to termination, and carry out base plate position concrete vibrating;
Vibrate order for to vibrate successively along blanking direction, while vibrating, control flexible axle vibrating spear at every turn and penetrate lower-layer concrete 3-5cm, guarantee that upper and lower layer concrete is combined into one;
Eight, in floor section (D) casting process, according to concreting direction, open successively the lower exclusive mould attached vibrator (2) on Channel Maker external mold (1);
Nine, building in arc section (F) scope, from span centre, start successively evenly to build from bottom to up to termination, vibrate order for to vibrate successively along blanking direction, while vibrating, control flexible axle vibrating spear at every turn and penetrate lower-layer concrete 3-5cm, guarantee that upper and lower layer concrete is combined into one; And corresponding unlatching blanking window near external mold attached vibrator (2) and internal mold attached vibrator (2');
Ten, building in stalk section (Z) scope, from span centre, start successively evenly to build from bottom to up to termination, vibrate order for to vibrate successively along blanking direction, while vibrating, control flexible axle vibrating spear at every turn and penetrate lower-layer concrete 3-5cm, guarantee that upper and lower layer concrete is combined into one;
By above-mentioned steps, realize the concrete construction of vibrating of the U-shaped thin wall slot of large span, guarantee that concrete pouring quality meets the demands.
2. the U-shaped thin wall slot concrete vibrating of a kind of large span according to claim 1 method, is characterized in that:
In step 1, external mold attached vibrator (2) is arranged on the both sides, upstream and downstream of every external fin (3), along aqueduct cell body (19) the longitudinal axis left and right sides, is evenly arranged.
3. the U-shaped thin wall slot concrete vibrating of a kind of large span according to claim 1 method, is characterized in that:
In step 3, every row's internal mold attached vibrator (2') between interlaced arrangement.
4. the U-shaped thin wall slot concrete vibrating of a kind of large span according to claim 1 method, is characterized in that:
In step 6, eight, nine, the opening time of attached vibrator is 20-30 second.
5. the U-shaped thin wall slot concrete vibrating of a kind of large span according to claim 1 method, is characterized in that:
In step 6, during concreting, build at first the larger position of base plate thickness at position, termination, upstream and downstream (13), first start flexible axle vibrating spear and close a position and vibrate, restart that external mold attached vibrator (2) is auxiliary to carry out position, corner and vibrate.
6. the U-shaped thin wall slot concrete vibrating of a kind of large span according to claim 1 method, is characterized in that:
In step 7, the bottom parts of aqueduct cell body (19) successively vibrates to two from middle, vibrates and take flexible axle vibrating spear as main, descends row's external mold attached vibrator (2) to carry out position, corner most and vibrates.
7. the U-shaped thin wall slot concrete vibrating of a kind of large span according to claim 1 method, is characterized in that:
In step 9, the blanking window of the arc section (F) of aqueduct cell body (19) is comprised of many rows, build while vibrating from end next row blanking window, from groove body span centre to two ends one by one blanking window vibrate, this row blanking window concreting and vibrated after, close window one by one, with bolt fixed, then start building and the construction of vibrating of last layer blanking window, complete successively the concreting of total and the construction of vibrating.
8. the U-shaped thin wall slot concrete vibrating of a kind of large span according to claim 1 method, is characterized in that:
In step 10, during stalk section (Z) construction, from aqueduct cell body (19) wall top, with flexible axle vibrating spear, vibrate.
9. the U-shaped thin wall slot concrete vibrating of a kind of large span according to claim 1 method, is characterized in that:
In Channel Maker external mold (1) bottom, be provided with walking passage (14), described distribution control box (11) is positioned on walking passage (14).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107299762A (en) * | 2017-07-28 | 2017-10-27 | 成都智建新业建筑设计咨询有限公司 | A kind of concrete pouring procedure based on BIM |
| CN112593529A (en) * | 2020-12-08 | 2021-04-02 | 河北省水利工程局 | Construction method of thin-wall prestressed concrete aqueduct |
| CN115434518A (en) * | 2022-09-29 | 2022-12-06 | 中国核工业第五建设有限公司 | Auxiliary vibrating device and internal corner concrete vibrating method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307595A (en) * | 2008-07-09 | 2008-11-19 | 葛洲坝集团第一工程有限公司 | Large-sized aqueduct prestressing force construction method |
| KR101112218B1 (en) * | 2011-07-12 | 2012-03-13 | 리플래시기술 주식회사 | Method for repairing of concrete aqueduct bridges using plastic |
-
2014
- 2014-09-16 CN CN201410470280.2A patent/CN104195988B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307595A (en) * | 2008-07-09 | 2008-11-19 | 葛洲坝集团第一工程有限公司 | Large-sized aqueduct prestressing force construction method |
| KR101112218B1 (en) * | 2011-07-12 | 2012-03-13 | 리플래시기술 주식회사 | Method for repairing of concrete aqueduct bridges using plastic |
Non-Patent Citations (3)
| Title |
|---|
| 冯小川等: "《施工现场专职安全员工作手册》", 31 January 2014, 中国建材工业出版社 * |
| 曾金鸿等: "迈步式移动模架在渡槽施工中的应用", 《人民长江》 * |
| 黎学皓等: "南水北调湍河渡槽机械化施工技术", 《技术与市场》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107299762A (en) * | 2017-07-28 | 2017-10-27 | 成都智建新业建筑设计咨询有限公司 | A kind of concrete pouring procedure based on BIM |
| CN107299762B (en) * | 2017-07-28 | 2020-05-22 | 成都智建新业建筑设计咨询有限公司 | Concrete pouring method based on BIM |
| CN112593529A (en) * | 2020-12-08 | 2021-04-02 | 河北省水利工程局 | Construction method of thin-wall prestressed concrete aqueduct |
| CN115434518A (en) * | 2022-09-29 | 2022-12-06 | 中国核工业第五建设有限公司 | Auxiliary vibrating device and internal corner concrete vibrating method |
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Address after: 54 Gezhouba Dam Yichang, Dongshan Road, Hubei, 443000 Applicant after: CHINA GEZHOUBA GROUP NO.1 ENGINEERING CO., LTD. Address before: 443000 Gezhouba Dam Group First Engineering Co., Ltd., No. 54 Dongshan Road, Hubei, Yichang Applicant before: Gezhouba Group No.1 Engineering Co., Ltd. |
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