CN110700264A - Fishbone string barrel suitable for deep foundation pit concrete warehousing pouring - Google Patents
Fishbone string barrel suitable for deep foundation pit concrete warehousing pouring Download PDFInfo
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- CN110700264A CN110700264A CN201911101960.6A CN201911101960A CN110700264A CN 110700264 A CN110700264 A CN 110700264A CN 201911101960 A CN201911101960 A CN 201911101960A CN 110700264 A CN110700264 A CN 110700264A
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- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 25
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 13
- 238000005204 segregation Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000005086 pumping Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000004568 cement Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 230000036571 hydration Effects 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013468 resource allocation Methods 0.000 description 2
- 241000282320 Panthera leo Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Underground Or Underwater Handling Of Building Materials (AREA)
Abstract
The invention discloses a fishbone string tube suitable for deep foundation pit concrete warehousing and pouring, which comprises: the multiple sections of the string barrels are sequentially connected end to form a whole; the inner wall of each section of the string barrel is spirally extended and provided with a plurality of groups of fishbone-shaped sliding grooves at intervals, and the fishbone-shaped sliding grooves are of streamline space curved surface structures and extend downwards. The invention can be comprehensively suitable for the environmental conditions of the foundation pit such as narrow, high and steep, deep and narrow, and has simple structure, low cost and quick construction.
Description
Technical Field
The invention belongs to the technical field of hydraulic and hydroelectric engineering, water supply engineering and the like, and particularly relates to a fishbone string tube structure suitable for deep foundation pit concrete warehousing pouring, in particular to a novel structure suitable for narrow, steep, deep and narrow foundation pit construction concrete warehousing pouring.
Background
In water conservancy and hydropower engineering, the construction site is narrow and small like a tunnel, a hidden culvert and the like, the construction site is high and steep like a pile foundation, a pipe column and the like, the construction site is deep and narrow like a vertical side wall and the like, the restriction of the boundary conditions is only completed by adopting a pumping concrete warehousing pouring means, steel bars are dense in the large-fall foundation pit, the pumping concrete warehousing is adopted, the great difficulty is increased, the concrete segregation can be caused, the appearance quality of the formed building is poor, the safety performance of the building structure can be influenced even, and the economic loss is caused.
In order to solve the segregation problem of the warehousing concrete in the narrow, high and steep foundation pit, the tower crane can be used for being assisted with the hoisting tank concrete warehousing construction, and the pumping concrete can also be used for warehousing and pouring. However, the pumping concrete warehousing still has a difficult problem for ensuring the pouring quality of the deep foundation pit concrete, and the separation of slurry and aggregate is easy to occur in the concrete forming process, so that the concrete construction quality cannot be ensured; the concrete pump construction process is complicated, and the construction period is long; the concrete pump has high disassembly and assembly difficulty, more constructors and high construction cost.
If the construction scheme of pumping concrete is improved, a concrete pump is changed into a barrel string form, and a fish bone is arranged in each barrel string, so that the disassembly and assembly of a construction site are facilitated, the speed of putting concrete into a bin can be reduced, the segregation phenomenon caused by separation of slurry and aggregate can be avoided, the problems of pipe blocking due to adhesion of a pump, more cracks, exposure of aggregate and reinforcing steel bars, insufficient strength of concrete, poor uniformity and the like can be avoided, the cement consumption can be reduced, the hydration heat is low, the concrete is not easy to crack, the construction quality of the concrete is easy to guarantee, particularly, the concrete is put into the bin string by changing the concrete pumping into the barrel string chute in the modern time, the operation is carried out by matching with a distributing machine, the working efficiency can be improved, the concrete can be conveyed to the bin surface with narrow, deep and steep working surface, the distribution process can be guaranteed to be safer, and meanwhile, the barrel string with the fish bone is convenient to use, the concrete pouring method is simple and convenient to move, economical and practical, applicable to more comprehensive environmental conditions, and capable of enabling the concrete pouring method to be simpler and faster and lower in cost.
Therefore, the research on the fishbone string barrel suitable for the deep foundation pit concrete warehousing and pouring is very necessary, and very important practical significance and popularization and application value are realized.
Disclosure of Invention
The invention aims to provide a fishbone string tube structure suitable for deep foundation pit concrete warehousing and pouring, which has the advantages of smaller size, quick construction, simpler structure, lower cost and the like, and can be more comprehensively suitable for various environmental conditions of foundation pits with small size, high and steep slope, depth and the like.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a fishbone string for deep foundation pit concrete warehousing and casting, including: the multiple sections of the string barrels are sequentially connected end to form a whole; the inner wall of each section of the string barrel is spirally extended and provided with a plurality of groups of fishbone-shaped sliding grooves at intervals, and the fishbone-shaped sliding grooves are of streamline space curved surface structures and extend downwards.
Preferably, the plurality of sections of the string barrels are detachably connected.
Preferably, the string cylinder is a cylindrical structure with the caliber of the upper end larger than that of the lower end; the top end of the string cylinder is provided with an upper lifting lug, the lower end of the string cylinder is provided with a lower lifting lug, the lower end of each upper section of string cylinder is sleeved at the upper end of the lower section of string cylinder and is fastened with the upper lifting lug of the lower section of string cylinder through the lower lifting lug of the upper section of string cylinder.
Preferably, the lifting device also comprises a steel wire rope, and the steel wire rope is used for connecting the upper lifting lug and the lower lifting lug on the same side of the multi-section serial barrels into a whole in series.
Preferably, the overlapping length of the upper and lower two adjacent string barrels is 1/8-1/12 of the length of the string barrel.
Preferably, the central included angles of the orthographic projections of the multiple groups of fishbone-shaped sliding grooves in the same section of string barrel are equal.
Preferably, each section of string barrel is provided with 3 groups of fishbone-shaped sliding grooves, and the central included angle of orthographic projections of the three groups of fishbone-shaped sliding grooves is 120 degrees.
Preferably, the fishbone-shaped chute is anchored to the inner wall of the string barrel through a fillet weld, and a steel bar is welded on the anchoring side.
Preferably, the device also comprises a collecting hopper, the upper end of the collecting hopper is communicated with the outlet of the distributing machine, and the lower end of the collecting hopper is connected with the inlet section of the first section of the tandem cylinder.
Preferably, the lower end of the last section of string barrel is sleeved with a rubber slide barrel, and the rubber slide barrel is fixed with a lower lifting lug of the last section of string barrel.
A fishbone string barrel structure suitable for deep foundation pit concrete warehousing and pouring is configured on a distributing machine, a streamline fishbone steel plate is welded by a string barrel with the length of 1m and the string barrel, and a fishbone-shaped chute slows down the vertical falling speed of concrete in the vertical transportation process of the concrete, so that the serious separation of slurry and aggregate of the concrete is effectively avoided; meanwhile, the construction simplicity of the fishbone stringing barrel is scientifically utilized, concrete segregation is effectively controlled, cement materials are saved, and the cost is reduced.
Compared with the prior art, the invention has the advantages and beneficial effects that:
(1) avoid serious segregation of concrete and reduce the consumption of concrete and cement
The material distributor is provided with the fishbone-type string cylinders for pouring concrete, so that the problem of concrete segregation in the vertical transportation process of the concrete (8-15 m) is solved, and the problems of pipe blockage by a pump, more cracks, exposed aggregates and reinforcing steel bars, insufficient concrete strength, poor uniformity and the like are avoided; effectively reduces the cement consumption and the hydration heat of the concrete unit volume, avoids the serious cracking of the concrete and ensures the construction quality of the concrete.
(2) Reduce the labor consumption and save the construction cost
The string section of thick bamboo is dismantled conveniently, and the combination is simple, can effectively reduce artifical quantity in the work progress, reduces the aggregate separation simultaneously in perpendicular transportation, reduces storehouse face artifical quantity to save construction cost.
(3) Convenient operation and strong practicability
In the concrete placement and pouring process of the distributing machine, the concrete is disassembled at any time according to the concrete placement height, the disassembly is convenient, the construction progress is accelerated, and the construction period is shorter.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of an installation design of a fishbone string tube suitable for deep foundation pit concrete warehousing and pouring according to one embodiment of the invention;
FIG. 2 is a schematic structural view of a stringing barrel according to an embodiment of the present invention;
FIG. 3 is a schematic view of the arrangement of the fishbone chute in the skewer according to one embodiment of the invention;
FIG. 4 is a top view of a first fishbone chute in accordance with one embodiment of the invention;
fig. 5 is a side view of a first fishbone chute in accordance with one embodiment of the invention.
Reference numerals: 1 string cylinder, 2 fishbone-shaped chutes, 3 fillet welds, 4 upper lifting lugs, 5 lower lifting lugs, 6 collecting hoppers, 7 rubber sliding cylinders, 8 steel wire ropes, 2-1 first fishbone-shaped chutes, 2-2 second fishbone-shaped chutes and 2-3 third fishbone-shaped chutes.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 5, the invention provides a fishbone string tube suitable for deep foundation pit concrete warehousing and pouring, which mainly comprises: the device comprises a string barrel 1, a fishbone-shaped chute 2, a fillet weld 3, an upper lifting lug 4, a lower lifting lug 5, a collecting hopper 6, a rubber chute barrel 7 and a steel wire rope 8.
The string cylinder 1 is a main body stress structure and a material conveying channel of warehousing concrete, the string cylinder 1 is made of iron sheets with the thickness of 1.2mm, each section is 1m long, the length of a superposed section is 0.2m, the effective length is 0.8m, the upper caliber of the string cylinder 1 is 0.4m, and the lower caliber is 0.3 m.
As shown in fig. 2, an upper lifting lug 4 is arranged at the top end of the string cylinder 1, a lower lifting lug 5 is arranged at the lower end of the string cylinder 1, the lower end of each upper string cylinder 1 is sleeved at the upper end of the lower string cylinder 1, and the upper lifting lugs 4 of the upper string cylinder 1 and the lower lifting lugs 5 of the lower string cylinder 1 are fastened to each other. The upper lifting lug 4 penetrates through a movable lifting ring at the top end of the string barrel 1 for round steel adopting phi 8, the lower lifting lug 5 penetrates through the lifting lugs 4 on the head and tail sides of the multi-section string barrel 1 and forms a whole steel cable with the lower lifting lug 5 for the fixed lifting ring welded on the outer wall which is 0.2m away from the bottom end of the string barrel 1 for round steel adopting phi 8, and therefore the phenomenon that a certain section of string barrel 1 falls off and hurts people due to the fact that the lifting lugs are not tightly buckled in the construction process is prevented, and construction safety is guaranteed. In this embodiment, the number of the string barrels 1 is 12, each section has a single weight of 8.9kg, the bearing capacity of the upper lifting lug 4 and the lower lifting lug 5 needs to be considered, if the string barrels 1 are 350kg after being blocked by concrete, under the condition that all the 12 sections of the string barrels 1 are blocked, the total weight is 4.2t, the influence of the concrete falling impact force is considered, the safety factor of 1.2 is counted, the bearing capacity of the upper lifting lug 4 is 3t (two lifting points are stressed), and the bearing capacity of the lower lifting lug 5 is 3t (two lifting points are stressed).
As shown in fig. 3, in this embodiment, 3 groups of fishbone-shaped chutes 2 are arranged in each string tube 1, the central included angle of the orthographic projection of the three groups of fishbone-shaped chutes 2 is 120 °, the fishbone-shaped chutes 2 are from top to bottom, and a first fishbone-shaped chute 2-1, a second fishbone-shaped chute 2-2 and a third fishbone-shaped chute 2-3 are arranged from large to small, and are streamline spatial curved surfaces, which are made of steel plates with a thickness of 4mm and a width of 50mm, and are anchored on the inner wall of the string tube 1 through an angle weld 3, and a phi 14 steel bar is welded on the anchoring side to protect an anchoring bolt. Fishbone-shaped sliding grooves 2 serve as curved surface sliding grooves of the concrete entering the warehouse, play a role in buffering during the falling process of the concrete, can reduce the falling height of the concrete, control the speed of the concrete entering the warehouse, effectively avoid segregation of concrete aggregate and slurry, inhibit overlarge slump of the concrete, reduce the using amount of concrete cement and hydration heat, and improve the quality of the concrete.
Fishbone-shaped sliding chute 2 is anchored on the inner wall of the string cylinder 1 through fillet weld 3, and specifically comprises the following steps: the fishbone-shaped chute 2 and the string barrel 1 are welded into an integral structure by using a proper welding electrode and heating or pressurizing through electric energy or using both the welding electrode and the welding electrode, the technical conditions for hydraulic metal structure welding (SL36-2016) are met, the welding seam is full, the quality is reliable, and the fishbone-shaped chute 2 is prevented from falling off to block the string barrel 1 in the concrete pouring process; meanwhile, the streamline of the fishbone is ensured in the processing process so that the concrete can smoothly fall; according to the thickness of the string tube 1 and the fish bone, the connection between the string tube 1 and the fish bone can also adopt riveting.
In the preferred embodiment of the fishbone string tube suitable for deep foundation pit concrete warehousing and pouring, as shown in fig. 1, the collecting hopper 6 is a trumpet-shaped iron sheet hopper with the upper end communicated with the outlet of the distributing machine and the lower end connected with the inlet section of the first string tube 1, the iron sheet is 4mm thick, the inlet at the upper end of the hopper is connected with the outlet of the distributing machine and is a square with the side length of 1m, the outlet at the lower end is connected with the inlet of the first string tube 1 and is a circular steel tube with the diameter of 0.3m, the height of the hopper is 1m, so that the concrete is effectively prevented from splashing and segregating after coming out from the discharge port, the occurrence of a human injury event is avoided, the.
In the preferred embodiment of a fishbone cluster section of thick bamboo suitable for deep basal pit concrete is taken in storage and is pour, as shown in fig. 1, the lower extreme of end section of thick bamboo 1 has cup jointed rubber slide 7, the upper end cover of rubber slide 7 is hung on the lower lug 5 of end section of thick bamboo 1, and its lower extreme is direct for the concrete export of taking in storage, plays the effect that the concrete was taken in storage buffering "soft landing" with fishbone form spout 2 the same, avoids concrete "hard landing" of taking in storage, does not lead to the concrete aggregate and the thick liquid separation, simultaneously, prevents to take place a cluster section of thick bamboo 1 and touch hard thing in the work progress and cause destruction or hinder the people.
The fishbone string tube structure suitable for the deep foundation pit concrete warehousing and pouring is more comprehensive in applicable environmental conditions, the concrete pouring method is simpler, the progress is quick, the construction period is short, the cost is low, and the concrete quality can be better ensured. In this embodiment 1, the engineering application effects of the second standard segment of yunzuan hidden culvert in the north-jaw area water resource allocation project, the 6 th standard segment of the liuzhuang hidden culvert to the Xinglong (lion mountain) hidden culvert in the north-jaw area water resource allocation project 2016 are very good. Meanwhile, the concrete pouring construction method has wide application in the field of water conservancy and hydropower engineering, and has wider development and application prospects in concrete pouring construction in the fields of civil engineering, road and bridge engineering, building engineering, municipal engineering, water supply engineering and the like.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a fishbone cluster section of thick bamboo suitable for deep basal pit concrete is put in storage and is pour, a serial communication port, includes: the multiple sections of the string barrels are sequentially connected end to form a whole; the inner wall of each section of the string barrel is spirally extended and provided with a plurality of groups of fishbone-shaped sliding grooves at intervals, and the fishbone-shaped sliding grooves are of streamline space curved surface structures and extend downwards.
2. The fishbone string tube suitable for deep foundation pit concrete warehousing and pouring of claim 1, wherein the plurality of sections of string tubes are detachably connected.
3. The fishbone string tube suitable for deep foundation pit concrete warehousing and pouring according to claim 2, wherein the string tube is of a cylindrical structure with the caliber of the upper end larger than that of the lower end; the top end of the string cylinder is provided with an upper lifting lug, the lower end of the string cylinder is provided with a lower lifting lug, the lower end of each upper section of string cylinder is sleeved at the upper end of the lower section of string cylinder and is fastened with the upper lifting lug of the lower section of string cylinder through the lower lifting lug of the upper section of string cylinder.
4. The fishbone string tube suitable for deep foundation pit concrete warehousing and pouring of claim 3, further comprising a steel wire rope, wherein the steel wire rope is used for connecting the upper lifting lug and the lower lifting lug on the same side of the multiple sections of string tubes in series into a whole.
5. The fishbone string tube suitable for deep foundation pit concrete warehousing and pouring as claimed in claim 3, wherein the length of the overlapped length of the upper and lower two adjacent string tubes is 1/8-1/12 of the length of the string tube.
6. The fishbone string tube suitable for deep foundation pit concrete warehousing and pouring of claim 1, wherein the central included angles of orthographic projections of the fishbone-shaped sliding grooves in the same section of string tube are equal.
7. The fishbone string tube suitable for deep foundation pit concrete warehousing and pouring according to claim 6, wherein 3 groups of fishbone-shaped sliding grooves are arranged in each section of string tube, and the central included angle of the orthographic projection of the three groups of fishbone-shaped sliding grooves is 120 degrees.
8. The fishbone string tube suitable for deep foundation pit concrete warehousing and pouring of claim 1, wherein the fishbone-shaped chute is anchored on the inner wall of the string tube through a fillet weld, and a steel bar is welded on the anchoring side.
9. The fishbone stringing drum suitable for deep foundation pit concrete warehousing and placing as claimed in claim 1, further comprising a collecting hopper, the upper end of which is communicated with the outlet of the distributing machine and the lower end of which is connected with the inlet section of the first section stringing drum.
10. The fishbone string tube suitable for deep foundation pit concrete warehousing and pouring as claimed in claim 1, wherein a rubber chute is sleeved at the lower end of the last string tube, and the rubber chute is fixed with the lower lifting lug of the last string tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911101960.6A CN110700264A (en) | 2019-11-12 | 2019-11-12 | Fishbone string barrel suitable for deep foundation pit concrete warehousing pouring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911101960.6A CN110700264A (en) | 2019-11-12 | 2019-11-12 | Fishbone string barrel suitable for deep foundation pit concrete warehousing pouring |
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| CN110700264A true CN110700264A (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911101960.6A Pending CN110700264A (en) | 2019-11-12 | 2019-11-12 | Fishbone string barrel suitable for deep foundation pit concrete warehousing pouring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456441A (en) * | 2020-04-15 | 2020-07-28 | 国闰建设集团有限公司 | Concrete column pours and prevents segregation cluster section of thick bamboo device |
| CN115142683A (en) * | 2022-07-21 | 2022-10-04 | 中国一冶集团有限公司 | A concrete placement instrument for long and thin tubular structure |
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| JP2001348843A (en) * | 2001-04-06 | 2001-12-21 | Ohbayashi Corp | Method of transporting concrete |
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| CN204662449U (en) * | 2015-06-03 | 2015-09-23 | 中国葛洲坝集团股份有限公司 | A kind of concrete buffer tumbling barrel |
| CN205530270U (en) * | 2016-03-30 | 2016-08-31 | 中国葛洲坝集团三峡建设工程有限公司 | Bank protection concrete device that puts in storage |
| CN211036991U (en) * | 2019-11-12 | 2020-07-17 | 湖北水总水利水电建设股份有限公司 | Fishbone string barrel suitable for deep foundation pit concrete warehousing pouring |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001173233A (en) * | 1999-12-21 | 2001-06-26 | Kabuki Construction Co Ltd | Concrete carrying chute |
| JP2001348843A (en) * | 2001-04-06 | 2001-12-21 | Ohbayashi Corp | Method of transporting concrete |
| CN204492198U (en) * | 2015-02-10 | 2015-07-22 | 中铁建工集团有限公司 | Concrete slip cylinder |
| CN204662990U (en) * | 2015-05-11 | 2015-09-23 | 中国铁建大桥工程局集团有限公司 | A kind of tandem barrel device preventing concrete disintegration |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456441A (en) * | 2020-04-15 | 2020-07-28 | 国闰建设集团有限公司 | Concrete column pours and prevents segregation cluster section of thick bamboo device |
| CN115142683A (en) * | 2022-07-21 | 2022-10-04 | 中国一冶集团有限公司 | A concrete placement instrument for long and thin tubular structure |
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