CN111424671A - Concrete warehousing and pouring construction equipment and construction method thereof - Google Patents
Concrete warehousing and pouring construction equipment and construction method thereof Download PDFInfo
- Publication number
- CN111424671A CN111424671A CN202010393877.7A CN202010393877A CN111424671A CN 111424671 A CN111424671 A CN 111424671A CN 202010393877 A CN202010393877 A CN 202010393877A CN 111424671 A CN111424671 A CN 111424671A
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- concrete
- pouring
- guide pipe
- hopper
- vibration hopper
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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
- E02D15/06—Placing concrete under water
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
Abstract
A concrete warehousing and pouring construction device and a construction method thereof are provided, wherein a main winch of the construction device is connected with a lifting lug of a vibration hopper, an auxiliary winch is connected with a guide pipe valve, an attached vibrator is installed in the vibration hopper, the lower end of the vibration hopper is connected with the vibration hopper valve, the vibration hopper valve is connected with a guide pipe, the guide pipe is connected with the guide pipe valve, a concrete pump truck is connected with a concrete conveying pipe through a woven rubber pipe, and the outlet end of the concrete conveying pipe is butted with the vibration hopper. The construction method comprises the following steps: (1) preparing in the early stage of construction; (2) the equipment is in place; (3) the concrete pump truck feeds materials to the vibration hopper; (4) pouring concrete; (5) and moving and adjusting the positions of the vibrating hopper and the guide pipe to finish concrete pouring. The invention can avoid the problems of water flow back-flowing and pipe blocking in the concrete pouring construction process of the water transport engineering building, and has the advantages of good quality of the poured concrete, high construction efficiency and environmental pollution reduction.
Description
Technical Field
The invention relates to concrete warehousing and pouring construction equipment and a construction method thereof, which are a new construction technology suitable for pouring concrete in the construction process of buildings of water transportation, hydropower, municipal administration and highway bridge construction engineering. The construction method obtains better quality, efficiency, environmental protection and social benefits through application. The construction technology is efficient, safe and environment-friendly, and ensures quality.
Background
At present, the most widely used concrete pouring method is a conduit method, the traditional conduit method has no hopper or hopper but no vibration function, concrete is pumped into an underwater reinforcement cage, cutoff and air inclusion frequently occur, particularly under the condition of large underwater pressure ratio, the method is easy to cause water flow to flow backwards and pipe blockage, the construction progress is slow in the actual use process, the efficiency is low, the quality of the poured concrete cannot be guaranteed, pollution is easily caused to the surrounding water body, and concrete materials are wasted. Later, with the addition of a hopper, the underwater concrete pouring process is improved to a certain extent, but the problem exists at present that hoisting equipment for supporting the hopper only allows the hopper to move up and down, when the water is deep and the poured concrete is large in volume, the surface of the concrete is not exposed out of the water, and the height positions of the hopper and the guide pipe need to be changed for pouring layer by layer. The problems of pipe blockage and water backflow in the concrete pouring construction process are caused, the construction efficiency is influenced, the environment is polluted, and the quality of the poured concrete is also influenced.
Disclosure of Invention
The invention aims to solve the problems of easy blockage, low work efficiency, reverse flow and large pollution of a guide pipe in the traditional guide pipe method concrete pouring construction.
The technical scheme of the invention is as follows: a construction device for concrete warehousing and pouring comprises an engineering ship, wherein a crane and a concrete pump truck are arranged on the engineering ship, the crane comprises a main winch and an auxiliary winch, and also comprises an attached vibrator, a vibrator power cord, a vibrating hopper valve, a guide pipe valve, a woven rubber pipe, a concrete conveying pipe and a vibrating hopper lifting lug, the concrete pump truck is connected with a concrete conveying pipe through a woven rubber pipe, the outlet end of the concrete conveying pipe is in butt joint with the vibrating hopper, and a power cord of the vibrator is connected to a crane centralized control center.
The construction method of the concrete warehousing and pouring construction equipment comprises the following steps:
(1) preparation in early construction
Preparing cement, sand, gravel and additives, an engineering ship, a crane, a vibration hopper, a concrete pump truck and a metering device according to the volume of the poured concrete, and determining the capacity of the vibration hopper, the diameter of a guide pipe valve and the conveying flow of the concrete pump truck according to construction conditions;
(2) equipment and personnel in place
Positioning an engineering ship, moving a concrete pump truck on the ship to a proper position, putting down a conveying pipe, positioning a vibration hopper and a guide pipe to a set pouring position by a crane, butting an outlet of the conveying pipe with the vibration hopper, controlling the vibration of the vibration hopper and opening and closing of a guide pipe valve by a crane control room, feeding by the concrete pump truck, and keeping the vibration hopper valve in a normally open state for an emergency valve;
(3) pouring of concrete
Starting the concrete pump truck, conveying concrete to a vibration hopper through a conveying pipe and entering a guide pipe, opening the vibration function of the vibration hopper after the vibration hopper is filled with concrete with the capacity of 1/6-1/4, removing air in the concrete to fill the guide pipe with the concrete, rechecking the outlet position of the guide pipe after the vibration hopper is filled with the capacity of 2/3-5/6, opening a guide pipe valve for concrete pouring, controlling the concrete flow through the guide pipe valve to control the concrete pouring speed, always keeping the concrete of the vibration hopper at constant capacity and uniform pouring speed through the control of the guide pipe valve, ensuring that the concrete has no air and water invasion, does not block the pipe and does not generate water flow pouring phenomenon, and the concrete flow at the outlet of the guide pipe is basically consistent with the flow at the outlet of the conveying pipe of the concrete pump truck during pouring, and keeping the guide pipe in a state of being filled with concrete all the time, and continuously pouring.
The outlet position of the rechecking conduit is that the outlet of the conduit is controlled to be 200-400mm away from the substrate, and the hopper valve is opened to keep the conduit opening to be buried in the concrete for not less than 1 m.
The pouring quality of the concrete needs to be checked in the pouring process, wherein the checking comprises the steps of carrying out witness sampling on the concrete to prepare a test block, and pouring 100-200 m3Taking 2 groups of test blocks of 200-300 m3Taking 3 groups of test blocks, carrying out ultrasonic tracking detection on poured concrete, detecting the height of the top of the poured concrete before moving the guide pipe, slowly moving, keeping the height of the top of the concrete at the original position unchanged after moving, and detecting the change of the height of the top of the concrete before and after moving at any time.
The invention has the beneficial effects that:
1) the construction method adopts the vibrating hopper, so that air in the concrete is favorably discharged, the concrete is compact, water is not easy to flow back into the guide pipe when the underwater concrete is poured, the quality of the poured concrete is ensured, and the concrete poured by the method has excellent quality proved by practice.
2) The vibrating hopper cooperates pipe and pipe valve that is fit for the diameter, makes concrete drop speed at the uniform velocity controllable, prevents bad phenomena such as slump loss, segregation and appears, is difficult to take place stifled pipe, and the concrete placement process is stable, smooth and easy, guarantees concrete placement's quality, has improved the efficiency of pouring.
3) The vibration hopper is controlled by omnibearing movement, and the hopper and the guide pipe can accurately move to a proper pouring position, so that large-volume concrete can be poured in layers, the pouring speed is improved, and the concrete quality is ensured.
4) Parameters such as the flow of a concrete pump truck, the capacity of a vibration hopper, the diameter of a conduit, the specification of a conduit valve and the like are uniformly matched and calculated, the configuration parameters are reasonable, and the efficiency and the quality of concrete pouring are controlled from the source.
The vibrating hopper and the guide pipe are controlled by matching the engineering ship and the crane, so that the vibrating hopper and the guide pipe can accurately move forwards, backwards, leftwards, rightwards, upwards and downwards, the correct concrete pouring position is ensured, the vibrating hopper ensures that concrete in the hopper and the guide pipe is dense without air, and uniform-speed stable concrete pouring is performed by controlling the guide pipe valve, so that the problems of pipe blockage and water pouring are solved, the concrete can be continuously poured, the construction efficiency is improved, the environmental pollution is reduced, and the quality of the poured concrete is ensured.
Drawings
Fig. 1 is a schematic structural elevation view of the concrete warehousing and pouring construction equipment.
Fig. 2 is a schematic structural plan view of the concrete warehousing and pouring construction equipment.
Fig. 3 is a schematic elevation view of a vibrating hopper and a conduit structure of the concrete warehousing and pouring construction equipment.
Fig. 4 is a structural schematic diagram of a vibration hopper of the concrete warehousing and pouring construction equipment.
Fig. 5 is a sectional view taken along line a-a in fig. 4.
Fig. 6 is a schematic view of a conduit structure of the concrete warehousing and pouring construction equipment.
Fig. 7 is a schematic structural view of a vibration hopper valve of the concrete warehousing and pouring construction equipment.
Fig. 8 is a schematic structural view of a conduit valve of the concrete warehousing and pouring construction equipment.
Fig. 9 is a schematic cross-sectional view of a conduit valve of the concrete warehousing and pouring construction equipment.
Fig. 10 is a sectional view taken along line B-B of fig. 9.
Labeled as: the device comprises an engineering ship 1, a crane 2, a main winch 3, an auxiliary winch 4, an attached vibrator 5, a vibrator power line 6, a vibration hopper 7, a hopper valve 8, a guide pipe 9, a guide pipe valve 10, a concrete pump truck 11, a woven rubber pipe 12, a concrete conveying pipe 13, a base 14, a template 15, a water surface 16 and a vibration hopper lifting lug 17.
Detailed Description
The technical scheme of the invention is further explained by combining the drawings and the embodiment.
It should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" in the description of the present invention are to be construed broadly, and may be, for example, fixedly, detachably, or integrally, mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
The invention relates to a construction device for concrete warehousing and pouring, which comprises an engineering ship 1, a crane 2, a main winch 3, an auxiliary winch 4, an attached vibrator 5, a vibrator power cord 6, a vibration hopper 7, a vibration hopper valve 8, a guide pipe 9, a guide pipe valve 10, a concrete pump truck 11, a braided rubber pipe 12, a concrete conveying pipe 13, a substrate 14, a template 15, a water surface 16 and a vibration hopper lifting lug 17. The concrete structure and the connection mode are as follows:
the engineering ship 1 is equipped with loop wheel machine 2 and concrete pump truck 11, loop wheel machine 2 includes main hoist machine 3 and vice hoist machine 4, main hoist machine 3 is connected with vibration hopper lug 17, vice hoist machine 4 is connected with pipe valve 10, vice hoist machine 4 control pipe valve 10 is opened and close, install attached vibrator 5 in the vibration hopper 7, the lower extreme of vibration hopper 7 is connected with vibration hopper valve 8, vibration hopper valve 8 is connected with pipe 9, pipe 9 is connected with pipe valve 10, concrete pump truck 11 is connected with concrete conveying pipeline 13 through woven rubber tube 12, concrete conveying pipeline 13's exit end and vibration hopper 7 butt joint, the vibrator power cord is connected to loop wheel machine centralized control center.
During construction, the engineering ship 1 is positioned near the substrate 14 and the template 15, so that the crane 2 and the concrete pump truck 11 can cover a pouring part, and the moving frequency of the engineering ship 1 is reduced; a crane 2 on an engineering ship 1 moves to a set position where pouring starts, a main winch 3 lifts a vibration hopper 7, the vibration hopper 7 is controlled to the start position, an auxiliary winch 4 controls a guide pipe valve 10 to be opened and closed, a concrete pump truck 11 moves to a position corresponding to the vibration hopper 7, a section of woven rubber pipe 12 is installed at the root of a concrete conveying pipe 13, so that the concrete conveying pipe 13 can swing freely, and the concrete conveying pipe 13 is put down to enable an outlet of the concrete conveying pipe to be in butt joint with the vibration hopper 7. Related equipment control circuits such as a guide pipe valve 10, a concrete pump truck 11, a vibrator power line 6 and the like are connected to a crane centralized control center for unified control.
And starting a concrete pump truck 11 to convey concrete to the vibration hopper 7, starting the attached vibrator 5 to discharge air in the vibration hopper 7 after the vibration hopper 7 is filled with a proper amount of concrete, and then controlling the guide pipe valve 10 to start continuous concrete pouring.
Example 2
A concrete warehousing and pouring construction method comprises the following steps:
(1) preparation in early construction
Preparing cement, sand, broken stones and additives according to the volume of the poured concrete, preparing an engineering ship 1, a crane 2, a vibration hopper 7, a concrete pump truck 11 and a metering device, and determining the capacity of the vibration hopper 7, the diameter of a conduit valve 10 and the conveying flow of the concrete pump truck 11 according to construction conditions;
(2) equipment and personnel in place
The engineering ship 1 is positioned, a concrete pump truck 11 on the engineering ship 1 moves to a proper position, a concrete conveying pipe 13 is put down, a vibration hopper 7 and a guide pipe 9 are positioned to a set pouring position by a crane 2, a pipe outlet of the concrete conveying pipe 13 is in butt joint with the vibration hopper 7, a control room of the crane 2 can control the vibration of the vibration hopper 7 and open and close a guide pipe valve 10, the concrete pump truck 11 feeds materials, and the vibration hopper valve 8 is in a normally open state as an emergency valve;
(3) pouring of concrete
Starting the concrete pump truck 11, conveying concrete to a vibration hopper 7 through a concrete conveying pipe 13 and entering a guide pipe 9, after the vibration hopper 7 is filled with the concrete with the capacity of 1/6-1/4, opening the vibration function of the vibration hopper 7 to remove air in the concrete to fill the guide pipe 9 with the concrete, after the vibration hopper 7 is filled with the capacity of 2/3-5/6, rechecking the outlet position of the guide pipe 9, opening a guide pipe valve 10 to carry out concrete pouring, controlling the concrete flow through the guide pipe valve 10 to control the concrete pouring speed, always keeping the concrete of the vibration hopper 7 at constant capacity and uniform pouring speed through the control of the valve, ensuring that the concrete has no air and water invasion, cannot block the pipe and cannot generate water flow pouring phenomenon, and keeping the concrete flow at the outlet of the guide pipe 9 to be basically consistent with the flow at the pipe outlet of the concrete pump truck 11 during pouring, the conduit 9 is kept in a state of being always filled with concrete, and continuous casting is performed.
The working principle and the process are as follows:
according to the quantity of the concrete poured at one time and the initial setting time of the concrete, the flow rate of the poured concrete is calculated, the diameter of the conduit valve 10 and the capacity of the vibration hopper 7 are calculated, and the concrete pump truck 11 meeting the flow rate requirement is selected. All mechanical equipment is selected through calculation, so that the construction parameters are reasonably matched, the construction efficiency and the construction quality of each integrated equipment are fully exerted, and the construction progress and the construction quality are controlled from the source of equipment type selection. The devices are controlled in a centralized manner, so that the cooperative work among the devices can be coordinated uniformly.
Application example:
the method is successively applied to concrete construction of projects such as civil engineering I standard of red flower water conservancy junction line ship lock engineering in Guangxi Yangxi Yangtze river, civil engineering I standard of second-line ship lock main body of the Guigang shipping hub main line, civil engineering III standard of second-line ship lock engineering in Xijin water conservancy junction, three-line four-line ship lock dam, diversion pier and diversion trench engineering in Changzhou water conservancy junction, the engineering quantity of cast concrete is about 20 ten thousand cubic meters, and the engineering quality is qualified.
Claims (4)
1. A construction device for putting concrete into a bin and pouring concrete comprises an engineering ship, wherein a crane and a concrete pump truck are arranged on the engineering ship, the crane comprises a main winch and an auxiliary winch, it is characterized by also comprising an attached vibrator, a vibrator power cord, a vibrating hopper valve, a guide pipe valve, a woven rubber pipe, a concrete conveying pipe and a vibrating hopper lifting lug, the concrete pump truck is connected with a concrete conveying pipe through a woven rubber pipe, the outlet end of the concrete conveying pipe is in butt joint with the vibrating hopper, and a power cord of the vibrator is connected to a crane centralized control center.
2. The construction method of the concrete warehousing and pouring construction equipment according to claim 1, characterized by comprising the following steps:
(1) preparation in early construction
Preparing cement, sand, gravel and additives, an engineering ship, a crane, a vibration hopper, a concrete pump truck and a metering device according to the volume of the poured concrete, and determining the capacity of the vibration hopper, the diameter of a guide pipe valve and the conveying flow of the concrete pump truck according to construction conditions;
(2) equipment and personnel in place
Positioning an engineering ship, moving a concrete pump truck on the ship to a proper position, putting down a conveying pipe, positioning a vibration hopper and a guide pipe to a set pouring position by a crane, butting an outlet of the conveying pipe with the vibration hopper, controlling the vibration of the vibration hopper and opening and closing of a guide pipe valve by a crane control room, feeding by the concrete pump truck, and keeping the vibration hopper valve in a normally open state for an emergency valve;
(3) pouring of concrete
Starting the concrete pump truck, conveying concrete to a vibration hopper through a conveying pipe and entering a guide pipe, opening the vibration function of the vibration hopper after the vibration hopper is filled with concrete with the capacity of 1/6-1/4, removing air in the concrete to fill the guide pipe with the concrete, rechecking the outlet position of the guide pipe after the vibration hopper is filled with the capacity of 2/3-5/6, opening a guide pipe valve for concrete pouring, controlling the concrete flow through the guide pipe valve to control the concrete pouring speed, always keeping the concrete of the vibration hopper at constant capacity and uniform pouring speed through the control of the guide pipe valve, ensuring that the concrete has no air and water invasion, does not block the pipe and does not generate water flow pouring phenomenon, and the concrete flow at the outlet of the guide pipe is basically consistent with the flow at the outlet of the conveying pipe of the concrete pump truck during pouring, and keeping the guide pipe in a state of being filled with concrete all the time, and continuously pouring.
3. The construction method of the concrete warehousing and pouring construction equipment as claimed in claim 2, wherein the position of the outlet of the rechecking conduit is controlled to be 200 mm and 400mm away from the base, and the hopper valve is opened to keep the conduit port buried in the concrete for not less than 1 m.
4. The method as claimed in claim 2, wherein the quality of the concrete is checked during the placing process, and the checking is witnessed sampling of the concreteMaking a test block, and pouring 100-200 m3Taking 2 groups of test blocks of 200-300 m3Taking 3 groups of test blocks, carrying out ultrasonic tracking detection on poured concrete, detecting the height of the top of the poured concrete before moving the guide pipe, slowly moving, keeping the height of the top of the concrete at the original position unchanged after moving, and detecting the change of the height of the top of the concrete before and after moving at any time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010393877.7A CN111424671A (en) | 2020-05-11 | 2020-05-11 | Concrete warehousing and pouring construction equipment and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010393877.7A CN111424671A (en) | 2020-05-11 | 2020-05-11 | Concrete warehousing and pouring construction equipment and construction method thereof |
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| CN111424671A true CN111424671A (en) | 2020-07-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267677A (en) * | 2020-10-23 | 2021-01-26 | 中国建筑第七工程局有限公司 | Feeding device for assembly type concrete building construction and construction method |
| CN112726621A (en) * | 2021-01-01 | 2021-04-30 | 昆山升东物资有限公司 | Submarine with 3D prints concrete function |
| CN113668516A (en) * | 2021-08-27 | 2021-11-19 | 中国江苏国际经济技术合作集团有限公司 | Construction method of immersed tube cast-in-place pile in sea reclamation area in coastal hydraulic reclamation area |
| CN115217099A (en) * | 2022-08-16 | 2022-10-21 | 中国水利水电第三工程局有限公司 | Construction process and device for bridge foundation pile |
-
2020
- 2020-05-11 CN CN202010393877.7A patent/CN111424671A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267677A (en) * | 2020-10-23 | 2021-01-26 | 中国建筑第七工程局有限公司 | Feeding device for assembly type concrete building construction and construction method |
| CN112726621A (en) * | 2021-01-01 | 2021-04-30 | 昆山升东物资有限公司 | Submarine with 3D prints concrete function |
| CN113668516A (en) * | 2021-08-27 | 2021-11-19 | 中国江苏国际经济技术合作集团有限公司 | Construction method of immersed tube cast-in-place pile in sea reclamation area in coastal hydraulic reclamation area |
| CN113668516B (en) * | 2021-08-27 | 2022-08-23 | 中国江苏国际经济技术合作集团有限公司 | Construction method of immersed tube cast-in-place pile in sea reclamation area in coastal hydraulic reclamation area |
| CN115217099A (en) * | 2022-08-16 | 2022-10-21 | 中国水利水电第三工程局有限公司 | Construction process and device for bridge foundation pile |
| CN115217099B (en) * | 2022-08-16 | 2023-05-23 | 中国水利水电第三工程局有限公司 | Construction process and device for bridge foundation pile |
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