CN105672256A - Underwater variable-label synchronous continuous pouring method and device for steel tube concrete upright column pile - Google Patents
Underwater variable-label synchronous continuous pouring method and device for steel tube concrete upright column pile Download PDFInfo
- Publication number
- CN105672256A CN105672256A CN201610098074.2A CN201610098074A CN105672256A CN 105672256 A CN105672256 A CN 105672256A CN 201610098074 A CN201610098074 A CN 201610098074A CN 105672256 A CN105672256 A CN 105672256A
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- concrete
- steel pipe
- hole
- absolute altitude
- steel tube
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
- E02D5/40—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds in open water
-
- 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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- 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 relates to an underwater variable-label synchronous continuous pouring method and an underwater variable-label synchronous continuous pouring device for a steel tube concrete upright column pile. The pouring device comprises a steel pipe column and a pile location hole, wherein the steel pipe column is positioned in the pile location hole. The pouring method comprises the following steps: injecting concrete with a first label into the pile location hole through a guide tube until poured surface elevation of the concrete with the first label is consistent with designed interface elevation; injecting concrete with a second label into the pile location hole through the guide tube until the poured surface elevation of the concrete with the second label is consistent with the elevation of the top surface of a preset pile; filling a gap between the outer side wall of one part of the steel pipe pile and the inner side wall of the pile location hole with restraining mass; and finally, continuously pouring the concrete with the second label until laitance in the steel pipe pile overflows from the top of the steel pipe pile, thereby completing the pouring. According to the pouring method disclosed by the invention, the construction difficulties can be effectively reduced, the pouring process of the concrete upright column is optimized, the raw materials are saved, and the later-stage chiseling-off process is very convenient.
Description
Technical field
The present invention relates to the field of building, particularly relate to a kind of concrete filled steel tube stand column pile underwater casting method and device.
Background technology
Reversal design is day by day widely used in the realm of building construction, the part column wherein adopted often carries out global design with basement structure post, part column uses as later stage basement permanent structure post, and this column many employings concrete filled steel tube used as permanent structure post is built and formed.
Owing to using as permanent structure post, the concrete load-up condition of the top and the bottom of column is generally inconsistent, the strength grade being frequently located in steel pipe column interior concrete is higher than the concrete strength grade being positioned at bottom, hole, stake position, due to the difference of coagulation such as strength grade, just cause certain difficulty to construction. Additionally, in the casting process of traditional method, typically not gap between steel pipe and hole wall is processed, cause space is full of concrete, when the later stage excavates column agency, needing the concrete outside to steel pipe to cut, this design original intention with designer does not meet, and wastes substantial amounts of concrete material. Chinese patent literature notification number CN102535746A discloses a kind of steel core concrete column and casting method thereof, steel core concrete column includes steel pipe, the lateral partitions of plug hole it is provided with in steel pipe, designing points is in that described steel pipe walls is provided with bleeding hole, bleeding hole is positioned at the lower section of lateral partitions and steel pipe walls joint, and bleeding hole connects with the bottom edge of lateral partitions, lateral partitions is provided with triangle air-vent, by arranging this kind of bleeding pore structure, make below lateral partitions when building, it is not easily formed air chamber, it is simple to gas and excessive moisture are discharged. Present configuration is simple, it is simple to construction, but cannot solve that inhomogeneity is concrete builds problem.
Summary of the invention
In order to overcome the defect of prior art, the technical problem to be solved is in that proposing a kind of concrete filled steel tube stand column pile becomes label synchronization continuous placing method and device under water, difficulty of construction can be effectively reduced, optimised coagulation soil column build flow process, not only saved raw material, and the very convenient later stage cut operation.
For reaching this purpose, the present invention by the following technical solutions:
A kind of concrete filled steel tube stand column pile provided by the invention becomes label under water and synchronizes continuous placing method, and including steel pipe column and hole, stake position, described steel pipe column is positioned at hole, described stake position, implements as follows:
S00: inject the first concrete in hole, described stake position by conduit, until face of the building absolute altitude of the first concrete described is consistent with design interface absolute altitude;S10: inject the second concrete by conduit in hole, stake position, until face of the building absolute altitude of described the second concrete is consistent with the absolute altitude of default stake end face; S20: fill obstacle between a part of lateral wall of described steel pipe column and medial wall, hole, described stake position in gap; S30: continue to build the second concrete, until the laitance in described steel pipe column overflows from the top of described steel pipe column, has built.
Preferably, in step S00 and S10, when building the first concrete described and/described the second concrete, the mouth of pipe controlling described conduit moves so that the mouth of pipe face absolute altitude of described conduit changes according to the change of concrete upper surface absolute altitude.
Preferably, when being in step S00, described concrete upper surface absolute altitude is consistent with the first concrete absolute altitude described; When being in step S10, described concrete upper surface absolute altitude adds the height of the first concrete described equal to the absolute altitude of described the second concrete.
Preferably, the first concrete described has different Concrete Design grades from described the second concrete.
Preferably, the top of described steel pipe column is provided with the spout hole for the first concrete overflow described.
Preferably, described obstacle is configured to one or more in rubble or brickbat.
Preferably, before carrying out S00 step, carry out the pore-forming in hole, described stake position, laying and the lifting of described steel pipe column of steel reinforcement cage.
Preferably, the height of stake top laitance is calculated according to the pile body diameter in hole, described stake position and beginning quantity.
Preferably, in S20 step, described obstacle stops to continue to rise in the upper interface of described the second concrete, so that described laitance overflows from the top of described steel pipe column.
Present invention also offers a kind of for above-mentioned concrete filled steel tube stand column pile become under water label synchronize continuous placing method build device, including steel pipe column, hole, stake position, conduit, the first concrete and the second concrete, the first concrete described is positioned at the bottom in hole, described stake position, described the second concrete is positioned at the top of the first concrete described, described steel pipe column is positioned at hole, described stake position, and described conduit is arranged in described steel pipe column.
The invention have the benefit that
Concrete filled steel tube stand column pile provided by the invention becomes label under water and synchronizes continuous placing method, by conduit, the first concrete and the second concrete are directed in hole, stake position, operating process is very simple and convenient, optimised coagulation soil column build flow process, reduce difficulty of construction. Obstacle can stop that the continuation at concrete upper interface rises, so that laitance overflows from the top of steel pipe column, and obstacle is generally constituted except object by rubble etc. is readily removable, so that the operation that cuts in the later stage of concrete column no longer wastes time and energy.
Accompanying drawing explanation
Fig. 1 is the first operating mode schematic diagram building device of the concrete column that the specific embodiment of the invention provides;
Fig. 2 is the second operating mode schematic diagram building device of the concrete column that the specific embodiment of the invention provides;
Fig. 3 is the 3rd operating mode schematic diagram building device of the concrete column that the specific embodiment of the invention provides;
Fig. 4 is the 4th operating mode schematic diagram building device of the concrete column that the specific embodiment of the invention provides;
Fig. 5 is the structural representation of the concrete column that the specific embodiment of the invention provides.
Accompanying drawing labelling:
1-steel pipe column; Hole, 2-stake position; 3-conduit; 4-laitance; The first concrete of 51-; 52-the second concrete; 6, obstacle; 7-steel reinforcement cage; 10-designs interface; 20-presets stake end face.
Detailed description of the invention
The present invention is described in further detail in conjunction with accompanying drawing below by specific embodiment.
As Figure 1-4, this application provides concrete filled steel tube stand column pile and become label synchronization continuous placing method under water, realize by building device, build device and include steel pipe column 1 and hole, stake position 2, steel pipe column 1 is positioned at hole, stake position 2.
Casting method is implemented as follows:
Step S00: as it is shown in figure 1, inject the first concrete 51 by conduit 3 in hole, stake position 2, until face of the building absolute altitude of the first concrete 51 is consistent with design interface 10 absolute altitude. The first concrete 51 is low-grade concrete, is positioned at the bottom in hole, stake position 2. Design interface 10 is the first concrete 51 and the default interface of the second concrete 52, is typically implemented setting.
Step S10: as in figure 2 it is shown, inject the second concrete 52 in hole, stake position 2 by conduit 3, until face of the building absolute altitude of the second concrete 52 is consistent with default stake end face 20 absolute altitude. The second concrete 52 is high-grade concrete, is positioned at the top of the first concrete 51, and presetting stake end face 20 is that the effective stake top mark of bored concrete pile is high.
Step S20: as it is shown on figure 3, fill obstacle 6 between a part of lateral wall of steel pipe column 1 and medial wall, hole 2, stake position in gap.
Step S30: as shown in Figure 4, continues to build the second concrete 52, until the laitance 4 in steel pipe column 1 overflows from the top of steel pipe column 1, has built.
The concrete filled steel tube stand column pile that the application provides becomes label under water and synchronizes continuous placing method, by conduit, the first concrete and the second concrete are directed in hole, stake position, operating process is very simple and convenient, optimised coagulation soil column build flow process, reduce difficulty of construction.
In the present embodiment, preferably, as shown in Figures 1 and 2, when building the first concrete 51 and/the second concrete 52, the mouth of pipe controlling conduit 3 moves so that the mouth of pipe face absolute altitude of conduit 3 changes according to the change of concrete upper surface absolute altitude. Conduit 3 change with the change of concrete upper surface absolute altitude advantageously reduce outflow the concrete resistance of conduit 3 so that concrete convenient under gravity from conduit 3 bottom flow out.
In the present embodiment, as it is preferred that scheme, when being in step S00, concrete upper surface absolute altitude is consistent with the first concrete 51 absolute altitude, when being in step S10, concrete upper surface absolute altitude adds the height of the first concrete 51 equal to the absolute altitude of the second concrete 52. Namely concrete upper surface absolute altitude changes along with the composition of the first concrete 51 and the second concrete 52 and changes.
In the present embodiment, preferably, as in figure 2 it is shown, the first concrete 51 has different Concrete Design grades from the second concrete 52. Adopt above-mentioned casting method can better meet different the concrete of Concrete Design grade to build so that it is more convenient that concrete classification is built.
In the present embodiment, preferably, the top of steel pipe column 1 is provided with the spout hole for the first concrete 51 overflow, and spout hole can facilitate the overflow of the first concrete 51.
In the present embodiment, obstacle 6 is configured to one or more in rubble, brickbat or other block objects. One or more in employing rubble, brickbat or other block objects can very convenient be dismantled as obstacle 6 so that cuts operation more convenient.
In the present embodiment, before carrying out S00 step, carry out the pore-forming in hole, stake position 2, laying and the lifting of steel pipe column 1 of steel reinforcement cage 7. Generally before carrying out S00 step, above-mentioned steps being adopted as preparation, steel reinforcement cage 7 can greatly increase the structural strength of concrete column.
In the present embodiment, preferably, the height of stake top laitance is calculated according to the pile body diameter in hole, stake position 2 and beginning quantity. This calculating facilitates deciding on the height of stake top laitance so that the casting position of operator clearly the first concrete 51 and the second concrete 52, it is to avoid precision is built in laitance impact in stake top.
In the present embodiment, preferably, in S20 step, obstacle 6 stops to continue to rise in the upper interface of the second concrete 52, so that laitance 4 overflows from the top of steel pipe column 1. Obstacle 6 can stop that the continuation at concrete upper interface rises, so that laitance 4 overflows from the top of steel pipe column 1, and obstacle 6 is usual is constituted except object by rubble etc. is readily removable, so that the operation that cuts in the later stage of concrete column no longer wastes time and energy.
As Figure 1-5, present invention also offers a kind of for above-mentioned concrete filled steel tube stand column pile become under water label synchronize continuous placing method build device, build device and include steel pipe column 1, hole, stake position 2, conduit 3, the first concrete 51 and the second concrete 52, the first concrete 51 is positioned at the bottom in hole, stake position 2, the second concrete 52 is positioned at the top of the first concrete 51, steel pipe column 1 is positioned at hole, stake position 2, and conduit 3 is arranged in steel pipe column 1. This builds the device Demand Design according to each step of above-mentioned casting method, it is possible to make above-mentioned casting method more have efficiency. As it is shown in figure 5, be the structural representation having built rear concrete column.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. a concrete filled steel tube stand column pile becomes label synchronization continuous placing method under water, it is characterised in that including steel pipe column (1) and hole, stake position (2), described steel pipe column (1) is positioned at hole, described stake position (2), implements as follows:
S00: inject the first concrete (51) by conduit (3) is interior to hole, described stake position (2), until face of the building absolute altitude of the first concrete described (51) is consistent with design interface absolute altitude;
S10: inject the second concrete (52) by conduit (3) is interior to hole, stake position (2), until face of the building absolute altitude of described the second concrete (52) is consistent with the absolute altitude of default stake end face;
S20: fill obstacle (6) between a part of lateral wall of described steel pipe column (1) and hole (2) medial wall, described stake position in gap;
S30: continue to build the second concrete (52), until the laitance (4) in described steel pipe column (1) overflows from the top of described steel pipe column (1), has built.
2. concrete filled steel tube stand column pile according to claim 1 becomes label synchronization continuous placing method under water, it is characterised in that:
In step S00 and S10, when building described the first concrete (51) and/described the second concrete (52), the mouth of pipe controlling described conduit (3) moves so that the mouth of pipe face absolute altitude of described conduit (3) changes according to the change of concrete upper surface absolute altitude.
3. concrete filled steel tube stand column pile according to claim 2 becomes label synchronization continuous placing method under water, it is characterised in that:
When being in step S00, described concrete upper surface absolute altitude is consistent with described the first concrete (51) absolute altitude;
When being in step S10, described concrete upper surface absolute altitude adds the height of described the first concrete (51) equal to the absolute altitude of described the second concrete (52).
4. the concrete filled steel tube stand column pile according to Claims 2 or 3 becomes label synchronization continuous placing method under water, it is characterised in that:
Described the first concrete (51) has different Concrete Design grades from described the second concrete (52).
5. concrete filled steel tube stand column pile according to claim 1 becomes label synchronization continuous placing method under water, it is characterised in that:
The top of described steel pipe column (1) is provided with the spout hole for the overflow of described the first concrete (51).
6. concrete filled steel tube stand column pile according to claim 1 becomes label synchronization continuous placing method under water, it is characterised in that:
Described obstacle (6) is configured to one or more in rubble or brickbat.
7. concrete filled steel tube stand column pile according to claim 1 becomes label synchronization continuous placing method under water, it is characterised in that:
Before carrying out S00 step, carry out the pore-forming of hole, described stake position (2), laying and the lifting of described steel pipe column (1) of steel reinforcement cage (7).
8. concrete filled steel tube stand column pile according to claim 7 becomes label synchronization continuous placing method under water, it is characterised in that:
The height of stake top laitance is calculated according to the pile body diameter of hole, described stake position (2) and beginning quantity.
9. concrete filled steel tube stand column pile according to claim 1 becomes label synchronization continuous placing method under water, it is characterised in that:
In S20 step, described obstacle (6) stops to continue to rise in the upper interface of described the second concrete (52), so that described laitance (4) overflows from the top of described steel pipe column (1).
10. build device for what concrete filled steel tube stand column pile according to any one of claim 1-9 became that label synchronizes continuous placing method under water for one kind, it is characterised in that:
Including steel pipe column (1), hole, stake position (2), conduit (3), the first concrete (51) and the second concrete (52);
Described the first concrete (51) is positioned at the bottom of hole, described stake position (2);
Described the second concrete (52) is positioned at the top of described the first concrete (51);
Described steel pipe column (1) is positioned at hole, described stake position (2);
Described conduit (3) is arranged in described steel pipe column (1).
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CN201610098074.2A CN105672256A (en) | 2016-02-23 | 2016-02-23 | Underwater variable-label synchronous continuous pouring method and device for steel tube concrete upright column pile |
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CN201610098074.2A CN105672256A (en) | 2016-02-23 | 2016-02-23 | Underwater variable-label synchronous continuous pouring method and device for steel tube concrete upright column pile |
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2016
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Application publication date: 20160615 |