CN111716527A - On-spot stake core concrete secondary mechanical stirring device that gathers materials - Google Patents
On-spot stake core concrete secondary mechanical stirring device that gathers materials Download PDFInfo
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- CN111716527A CN111716527A CN202010517996.9A CN202010517996A CN111716527A CN 111716527 A CN111716527 A CN 111716527A CN 202010517996 A CN202010517996 A CN 202010517996A CN 111716527 A CN111716527 A CN 111716527A
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- Prior art keywords
- storage hopper
- blade
- stirring
- support
- concrete
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/14—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis
- B28C5/148—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis the stirrer shaft carrying a plurality of radially extending mixing bars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0806—Details; Accessories
- B28C5/0831—Drives or drive systems, e.g. toothed racks, winches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0862—Adaptations of mixing containers therefor, e.g. use of material, coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses an on-site pile core concrete secondary mechanical stirring aggregate device, which can be used for directly purchasing finished concrete to be transported to the site for secondary deep processing to meet the quality requirement of vibrating pipe-forming concrete without arranging a temporary concrete stirring system on the site and concentrating on commercial concrete factory stirring; the construction cost is reduced, the environmental pollution is reduced, and the potential safety hazard is reduced; including the levee, support and storage hopper, the right side of the bottom of support is connected with the top of levee, the right front side and the right back side of the bottom of support all are provided with the pillar, the front end of support is provided with the walking board, the bottom of storage hopper is connected with the top of support, the right side of the front end of storage hopper is provided with the backup pad, the left end of backup pad is connected with the right-hand member of walking board, the left side on the top of backup pad is provided with the conveying motor, the output of conveying motor is provided with first drive wheel, the top of backup pad is provided with the drive low-speed reducer on the right side of conveying motor.
Description
Technical Field
The invention particularly relates to the technical field of concrete quality control of a stiff composite pile concrete pile core in hydraulic engineering, and particularly relates to an on-site pile core concrete secondary mechanical stirring and collecting device.
Background
Concrete of the existing stiff composite pile concrete pile core is stirred by a small-sized stirrer on a construction site; a small-metering roller stirring system is mainly adopted, a concrete raw material stacking field is temporarily arranged on an open construction site, and a manual trolley is adopted for feeding and stirring concrete; the small uneven stirring of inaccurate agitated vessel of raw materials measurement leads to the stake core quality control of coagulating to have great deviation, and because mixing system does not seal the dust uncontrollable, raise dust prevention and control and noise pollution are more serious, and construction cost also increases relatively.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a concrete vibrating pipe-forming concrete mixer which can directly purchase and transport finished concrete to a site for secondary deep processing to meet the quality requirement of vibrating pipe-forming concrete without arranging a temporary concrete mixing system on the site and concentrating on commercial concrete factory mixing; the on-site pile core concrete secondary mechanical stirring and collecting device reduces construction cost, environmental pollution and potential safety hazards.
In order to achieve the purpose, the invention adopts the following technical scheme:
a secondary mechanical stirring and collecting device for on-site pile core concrete comprises a levee, a support and a storage hopper, wherein the right side of the bottom end of the support is connected with the top end of the levee, pillars are arranged on the right front side and the right rear side of the bottom end of the support, a walking plate is arranged at the front end of the support, the bottom end of the storage hopper is connected with the top end of the support, a support plate is arranged on the right side of the front end of the storage hopper, the storage hopper is obliquely arranged, the left end of the support plate is connected with the right end of the walking plate, a conveying motor is arranged on the left side of the top end of the support plate, a first transmission wheel is arranged at the output end of the conveying motor, a driving low-speed reducer is arranged on the right side of the conveying motor at the top end of the support plate, a second transmission wheel is arranged at the input end of the driving low-, wherein conveyer belt and blade stir the cage and locate two non-parallel sides of storage hopper respectively, the right side of the inside of storage hopper is rotated and is connected with the blade and stirs the cage, and the blade stirs the cage and includes stirs the cage steel shaft, the front end that stirs the cage steel shaft extends to the front side of storage hopper and passes through the shaft coupling and be connected with the output of drive low-speed reducer, stir the outside of cage steel shaft and be provided with multiunit blade handle in the inside of storage hopper, the one end welding that stirs the cage steel shaft of keeping away from of blade handle has the steel sheet blade, the right side of the rear end of storage hopper is provided with the support, the top of support is provided with fixed ear, stir the one end that the cage steel shaft extends to the rear side of storage hopper and pass through the roller bearing and be connected with fixed ear rotation, the bottom of storage hopper.
Furthermore, the front ends of the walking plate and the supporting plate are provided with protective railings.
Furthermore, the height of the right end of the storage hopper is lower than that of the left end of the storage hopper.
Furthermore, the storage hopper is formed by welding a 10mm iron plate.
Further, the support is of a 17% gradient triangular structure welded by a 14# channel steel.
Further, the type of the driving low-speed reducer is JZ 0350.
Further, every group the blade handle includes four blade handles, and the interval of every group blade handle is 0.4m, and four blade handles are the circular array with the center pin of stirring cage steel axle and distribute.
The invention has the beneficial effects that:
1. when the low-slump pile core concrete of the stiff composite pile is constructed, the concrete is generally stirred by manually feeding the small-sized stirring equipment on site, the stirring equipment is generally a civil building drum type stirrer, a feeding system is not closed or is fed by an original manual trolley, the dust during stirring is large, the requirements of the current construction environment regulation and control are combined, thus, the dust and noise pollution of the field stirring is very large, the prevention and the control are not beneficial, the concrete can be directly produced into the finished product concrete in commercial concrete factories without the dust prevention and control defects, although the concrete can not be transported by a mixer truck, the finished concrete with low slump is relatively easy to transport to the site for secondary mixing through the shed cloth covered on the open agricultural truck, the construction quality and safety are guaranteed, meanwhile, the environmental protection prevention and control are facilitated, and the environmental protection performance of the concrete is improved.
2. When a stiffness pile process is adopted in similar urban buildings and hydraulic highway engineering, a pile driver is often used for a large pile, and equipment of a stirring system of stiffness pile core concrete is also used for another pile, such as a roller stirrer, a metering weighing platform, a trolley, a stirrer water tank and the like.
3. The construction of the previous mixing system needs a construction site for piling up hardened concrete raw materials, the occupied area of the mixing site needed by each item is large, the types of input equipment are more, the waste of the raw materials is serious, and the green environment-friendly construction concept refuted to the promotion of the construction engineering is provided, the construction cost greatly exceeds the cost of the device, the input of the device reduces a plurality of workload compared with the previous device, the mixing site does not need to be converted into a commercial concrete factory for centralized mixing, the equipment conversion installation quantity is reduced, the organization cost, the mechanical equipment lease cost and the conversion transportation cost are greatly reduced, the construction economic benefit is greatly improved, meanwhile, the construction can be immediately unfolded after the machine enters the site, the commercial concrete is directly purchased during the casting period, then the pile core can be cast by improving the workability on site, and the construction speed is improved by five times compared with the previous on-site concrete construction speed, meanwhile, the concrete quality is effectively improved, and the slump meeting the design requirement during pouring is ensured.
4. The existing on-site stirring and coagulating system is adopted, so that unsafe operation of personnel causes more factors. The number of added constructors and construction machines is large, so that dangerous sources of unsafe factors are increased. By adopting the portable secondary stirring device, the construction control of personnel is simpler and more convenient, and the personnel and property in the construction are safer relatively only by one operator, thereby being more beneficial to the control of all levels of engineering.
Drawings
FIG. 1 is a schematic structural view of an on-site pile core concrete secondary mechanical stirring and collecting device provided by the invention;
FIG. 2 is a schematic top view of the apparatus for secondary mechanical stirring of aggregate in-situ pile core concrete according to the present invention;
FIG. 3 is a schematic rear view of the apparatus for secondary mechanical stirring of aggregate in-situ pile core concrete according to the present invention;
FIG. 4 is a schematic left-view structural diagram of an on-site pile core concrete secondary mechanical stirring aggregate device provided by the invention;
FIG. 5 is a schematic structural diagram of a front view of an on-site pile core concrete secondary mechanical stirring and collecting device provided by the invention;
FIG. 6 is a schematic diagram of the structure of the pile core concrete secondary mechanical stirring aggregate device in the right view.
In the figure: 1. a large dike; 2. a support; 3. a storage hopper; 4. a pillar; 5. a step plate; 6. a support plate; 7. a transfer motor; 8. a first drive pulley; 9. driving a low-speed reducer; 10. a second transmission wheel; 11. a conveyor belt; 12. a blade stirring cage; 13. a stirring cage steel shaft; 14. a blade handle; 15. a steel plate blade; 16. a support; 17. fixing the ear; 18. a discharge hopper; 19. an electric gate; 20. guard rails.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-6, an on-site pile core concrete secondary mechanical stirring aggregate device comprises a levee 1, a support 2 and a storage hopper 3, wherein the right side of the bottom end of the support 2 is connected with the top end of the levee 1, enough space is reserved at the bottom end of the support 2 to facilitate the receiving of a forklift for facilitating the later-stage discharging and shoveling, the support 2 is of a 17% slope triangular structure welded by 14# channel steel, the height of the right end of the storage hopper 3 is lower than that of the left end of the storage hopper 3, pillars 4 are arranged on the right front side and the right rear side of the bottom end of the support 2, a walking plate 5 is arranged at the front end of the support 2, the bottom end of the storage hopper 3 is connected with the top end of the support 2, the storage hopper 3 is 6m long and 2.5m wide, the storage hopper 3 is formed by welding of 10mm, protective railings 20 are arranged at the front ends of the walking plate 5 and the support plate 6 to protect the left and, the right side of the front end of the storage hopper 3 is provided with a supporting plate 6, the storage hopper 3 is obliquely arranged, the left end of the supporting plate 6 is connected with the right end of a walking plate 5, the left side of the top end of the supporting plate 6 is provided with a conveying motor 7, the output end of the conveying motor 7 is provided with a first driving wheel 8, the top end of the supporting plate 6 is provided with a driving low-speed reducer 9 on the right side of the conveying motor 7, the model of the driving low-speed reducer 9 is JZ0350, the input end of the driving low-speed reducer 9 is provided with a second driving wheel 10, the first driving wheel 8 is in transmission connection with the second driving wheel 10 through a conveying belt 11, the conveying belt 11 is approximately distributed along the extending direction of the walking plate 5, wherein the conveying belt 11 and a blade stirring cage 12 are respectively arranged on two non-parallel sides of the storage hopper 3, the right side inside the storage hopper 3 is rotatably connected, the front end of the stirring cage steel shaft 13 extends to the front side of the storage hopper 3 and is connected with the output end of a driving low-speed reducer 9 through a bearing, a plurality of groups of blade handles 14 are arranged on the outer side of the stirring cage steel shaft 13 in the storage hopper 3, each group of blade handles 14 comprises four blade handles 14, the distance between every two blade handles 14 is 0.4m, the four blade handles 14 are distributed in a circular array mode by the central shaft of the stirring cage steel shaft 13, steel plate blades 15 are welded at one end, far away from the stirring cage steel shaft 13, of each blade handle 14, the working diameter of each blade stirring cage 12 is 0.4m, 10 multiplied by 15 steel plate blades 15 are welded on the steel pipe blade handles 14 with the diameter of 50mm, the blade handles 14 are welded on the stirring cage steel shaft 13, the welded blade stirring cage 12 is connected with the model JZ0350 driving low-speed reducer 9 through a bearing (the speed ratio is 48:57), and the blade stirring cage 12 is rotated, the right side of the rear end of the storage hopper 3 is provided with a support 16, the top end of the support 16 is provided with a fixed lug 17, one end of the stirring cage steel shaft 13 extending to the rear side of the storage hopper 3 is rotatably connected with the fixed lug 17 through a roller, the bottom end of the storage hopper 3 is provided with a discharge hopper 18 on the right side of the blade stirring cage 12, an electric gate 19 is arranged inside the discharge hopper 18, a screw opening and closing device is driven by a 1.1Kw-1404r/min motor to open and discharge a gate of the electric gate 19, a stroke limiting plate is arranged at the opening and closing end of the gate, and the electric screw opening and closing machine with a stroke switch is started to automatically open and close the stroke.
The electric gate 19, the driving low-speed reducer 9 and the transmission motor 7 in the embodiment are conventional and known devices purchased in the market, and are only used here, the structure and the function of the device are not improved, and the device is provided with a control switch matched with the device, and the position where the control switch is installed according to the use requirement, so that an operator can conveniently operate and control the device.
The working principle of the embodiment is as follows: in the assembling process, conveyer belt 11 roughly lays along 5 extending direction of flighting, wherein conveyer belt 11 and blade stir cage 12 and locate two non-parallel sides of storage hopper 3 respectively, during the use, at first place the concrete in storage hopper 3, the concrete can slide to the right side along with the slope of storage hopper 3, start driving motor simultaneously, it rotates to drive first drive wheel 8 through driving motor, first drive wheel 8 drives second drive wheel 10 through conveyer belt 11 and rotates, it stirs cage 12 and rotates to drive the blade through drive low-speed reducer 9, stir the concrete in the storage hopper 3 through blade stirring cage 12, then open the fork truck to the below of discharge hopper 18, start electronic gate 19 and make the concrete fall to the fork truck from discharge hopper 18, thereby accomplish the process of the ejection of compact.
Therefore, the invention can realize that the temporary concrete mixing system is not needed to be arranged on site, the mixing is concentrated on commercial concrete factories, and the finished concrete is directly purchased and transported to the site for secondary deep processing to meet the quality requirement of the vibration pipe-forming concrete.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides an on-spot stake core concrete secondary mechanical stirring device that gathers materials which characterized in that: comprises a large dike (1), a bracket (2) and a storage hopper (3), wherein the right side of the bottom end of the bracket (2) is connected with the top end of the large dike (1), the right front side and the right rear side of the bottom end of the bracket (2) are respectively provided with a strut (4), the front end of the bracket (2) is provided with a walking plate (5), the bottom end of the storage hopper (3) is connected with the top end of the bracket (2), the right side of the front end of the storage hopper (3) is provided with a support plate (6), the storage hopper (3) is obliquely arranged, the left end of the support plate (6) is connected with the right end of the walking plate (5), the left side of the top end of the support plate (6) is provided with a conveying motor (7), the output end of the conveying motor (7) is provided with a first transmission wheel (8), the top end of the support plate (6) is provided with a driving low-speed reducer (9) on the right side of the conveying motor, the first transmission wheel (8) is in transmission connection with the second transmission wheel (10) through a transmission belt (11), the transmission belt (11) is approximately arranged along the extending direction of the walking plate (5), the transmission belt (11) and the blade stirring cage (12) are respectively arranged on two non-parallel sides of the storage hopper (3), the right side of the interior of the storage hopper (3) is rotatably connected with the blade stirring cage (12), the blade stirring cage (12) comprises a stirring cage steel shaft (13), the front end of the stirring cage steel shaft (13) extends to the front side of the storage hopper (3) and is connected with the output end of a driving low-speed reducer (9) through a coupler, a plurality of groups of blade handles (14) are arranged in the storage hopper (3) on the outer side of the stirring cage steel shaft (13), one ends, far away from the stirring cage steel shaft (13), of the blade handles (14) are welded with steel plate blades (15), and each group of the blade handles (14) comprises four blade handles (14), four blade handles (14) are circular array distribution with the center pin of stirring cage steel axle (13), the right side of the rear end of storage hopper (3) is provided with support (16), the top of support (16) is provided with fixed ear (17), stir the one end that cage steel axle (13) extended to the rear side of storage hopper (3) and pass through the roller bearing and be connected with fixed ear (17) rotation, the bottom of storage hopper (3) is provided with discharge hopper (18) on the right side that the blade stirred cage (12), the inside of discharge hopper (18) is provided with electronic gate (19).
2. The on-site pile core concrete secondary mechanical stirring aggregate device of claim 1, wherein: the front ends of the walking board (5) and the supporting board (6) are provided with protective railings (20).
3. The on-site pile core concrete secondary mechanical stirring aggregate device of claim 2, wherein: the height of the right end of the storage hopper (3) is lower than that of the left end of the storage hopper (3).
4. The on-site pile core concrete secondary mechanical stirring aggregate device of claim 3, wherein: the storage hopper (3) is formed by welding a 10mm iron plate.
5. The on-site pile core concrete secondary mechanical stirring aggregate device of claim 4, wherein: the bracket (2) is a 17% gradient triangular structure welded by 14# channel steel.
6. The on-site pile core concrete secondary mechanical stirring aggregate device of claim 5, wherein: the type of the driving low-speed reducer (9) is JZ 0350.
7. The on-site pile core concrete secondary mechanical stirring aggregate device of claim 6, wherein: the distance between the handles (14) of each group of blades is 0.4 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010517996.9A CN111716527A (en) | 2020-06-09 | 2020-06-09 | On-spot stake core concrete secondary mechanical stirring device that gathers materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010517996.9A CN111716527A (en) | 2020-06-09 | 2020-06-09 | On-spot stake core concrete secondary mechanical stirring device that gathers materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111716527A true CN111716527A (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010517996.9A Withdrawn CN111716527A (en) | 2020-06-09 | 2020-06-09 | On-spot stake core concrete secondary mechanical stirring device that gathers materials |
Country Status (1)
| Country | Link |
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| CN (1) | CN111716527A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116446392A (en) * | 2023-04-18 | 2023-07-18 | 中厦建设有限公司 | Secondary stirring construction method for micro-vibration immersed tube stiff composite pile |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09194030A (en) * | 1996-01-17 | 1997-07-29 | Tsuneji Kawahara | Transportation method for concrete and transportation equipment therefor |
| JP2006009432A (en) * | 2004-06-25 | 2006-01-12 | Japan Water Agency | Concrete supply system and concrete supply method |
| JP2016061131A (en) * | 2014-09-22 | 2016-04-25 | 鹿島建設株式会社 | Loading device, loading system and levee body construction method |
| CN206170317U (en) * | 2016-11-17 | 2017-05-17 | 四川建筑职业技术学院 | Hybrid concrete mixer |
| CN208277170U (en) * | 2017-12-27 | 2018-12-25 | 贵州大学 | A kind of blender for construction |
| CN209887890U (en) * | 2018-09-30 | 2020-01-03 | 四川蓝海智能装备制造有限公司 | Continuous stirring mechanism for engineering |
| CN210148403U (en) * | 2019-04-11 | 2020-03-17 | 山东连银山环保建材有限公司 | Dry-mixed mortar stirring powder structure |
| CN210477358U (en) * | 2018-09-29 | 2020-05-08 | 高州市中亮机械制造有限公司 | Double-horizontal-shaft cement mixer |
-
2020
- 2020-06-09 CN CN202010517996.9A patent/CN111716527A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09194030A (en) * | 1996-01-17 | 1997-07-29 | Tsuneji Kawahara | Transportation method for concrete and transportation equipment therefor |
| JP2006009432A (en) * | 2004-06-25 | 2006-01-12 | Japan Water Agency | Concrete supply system and concrete supply method |
| JP2016061131A (en) * | 2014-09-22 | 2016-04-25 | 鹿島建設株式会社 | Loading device, loading system and levee body construction method |
| CN206170317U (en) * | 2016-11-17 | 2017-05-17 | 四川建筑职业技术学院 | Hybrid concrete mixer |
| CN208277170U (en) * | 2017-12-27 | 2018-12-25 | 贵州大学 | A kind of blender for construction |
| CN210477358U (en) * | 2018-09-29 | 2020-05-08 | 高州市中亮机械制造有限公司 | Double-horizontal-shaft cement mixer |
| CN209887890U (en) * | 2018-09-30 | 2020-01-03 | 四川蓝海智能装备制造有限公司 | Continuous stirring mechanism for engineering |
| CN210148403U (en) * | 2019-04-11 | 2020-03-17 | 山东连银山环保建材有限公司 | Dry-mixed mortar stirring powder structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116446392A (en) * | 2023-04-18 | 2023-07-18 | 中厦建设有限公司 | Secondary stirring construction method for micro-vibration immersed tube stiff composite pile |
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Application publication date: 20200929 |
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| WW01 | Invention patent application withdrawn after publication |