CN113653084A - Cast-in-situ bored pile water stopping structure and cast-in-situ bored pile construction method - Google Patents
Cast-in-situ bored pile water stopping structure and cast-in-situ bored pile construction method Download PDFInfo
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- CN113653084A CN113653084A CN202110914686.5A CN202110914686A CN113653084A CN 113653084 A CN113653084 A CN 113653084A CN 202110914686 A CN202110914686 A CN 202110914686A CN 113653084 A CN113653084 A CN 113653084A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000011065 in-situ storage Methods 0.000 title claims description 24
- 238000005553 drilling Methods 0.000 claims description 23
- 230000002787 reinforcement Effects 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 7
- 238000005187 foaming Methods 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0001—Rubbers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The application relates to a bored pile water stop structure and a bored pile construction method, and belongs to the technical field of civil engineering construction. This application has the effect that improves the efficiency of construction.
Description
Technical Field
The application relates to the technical field of civil engineering construction, in particular to a cast-in-situ bored pile water stop structure and a cast-in-situ bored pile construction method.
Background
The cast-in-place pile system is a pile formed by forming a pile hole in foundation soil through mechanical drilling, steel pipe soil extrusion or manual excavation and the like on an engineering site, placing a reinforcement cage and cast-in-place concrete in the pile hole, and the cast-in-place pile can be divided into a immersed tube cast-in-place pile, a cast-in-place pile and a cast-in-place pile according to different hole forming methods.
In the conventional foundation pit supporting construction, a cast-in-situ bored pile, a steel pipe pile, a steel sheet pile, or the like is often used for supporting. As shown in fig. 1, the water stop structure for foundation pit support comprises a plurality of cast-in-situ bored piles 1, wherein the cast-in-situ bored piles 1 are uniformly distributed around a foundation pit, and a slope surface 8 is formed by hanging net and spraying slurry on the slope surface of the foundation pit support.
In view of the above-mentioned related art, the inventor believes that the construction speed of the net hanging guniting is slow.
Disclosure of Invention
In order to improve the construction efficiency, the application provides a drilling filling pile stagnant water structure and bored concrete pile construction method.
First aspect, the application provides a drilling filling stake stagnant water structure adopts following technical scheme:
the utility model provides a bored concrete pile stagnant water structure, includes the bored concrete pile who is formed by steel reinforcement cage and concrete placement, the installation piece has all been welded to the both sides of steel reinforcement cage, has seted up the mounting groove on the installation piece, is connected with the baffle between two adjacent bored concrete piles, and the both ends of baffle all are fixed with the inserted block, and the one end that the baffle was kept away from to the inserted block is convex, and the inserted block is pegged graft with the slot and is cooperated.
Through adopting above-mentioned technical scheme, when installing the baffle, earlier with installation piece and steel reinforcement cage welded fastening, then put into the stake hole with steel reinforcement cage and installation piece, later insert baffle and inserted block between two steel reinforcement cages, make the inserted block insert the mounting groove, the one end that the baffle was kept away from to the inserted block is convex, makes things convenient for the inserted block to insert in the mounting groove, and the cast concrete forms bored concrete pile envelope at last. Through set up the baffle between two drilling bored concrete piles, it is fast than setting up the slope face of protection, work efficiency improves, can reduce the foundation ditch effectively and appear the infiltration, leak the possibility with the quicksand.
Optionally, a ball is mounted on a groove wall of the mounting groove far away from the baffle, and one side of the insert block far away from the baffle is in contact with the ball.
Through adopting above-mentioned technical scheme, when installing the baffle, align the inserted block with the mounting groove that corresponds earlier, squeeze into the soil layer with the baffle through the vibratory hammer in, when hammering the baffle downwards, the inserted block takes place to roll with the ball, the inserted block downstream of being convenient for.
Optionally, two baffle between the drilling bored concrete pile is provided with a plurality ofly, is provided with the connecting block between two adjacent baffles, and the spread groove the same with mounting groove structure is seted up respectively at the both ends of connecting block, and the baffle is close to the inserted block and the spread groove cooperation of pegging graft of connecting block.
Through adopting above-mentioned technical scheme, when the distance between two drilling bored concrete piles is longer, baffle between two drilling bored concrete piles needs two or more, connects through the connecting block between two adjacent baffles, and the inserted block of baffle inserts the spread groove on the connecting block, when putting into two drilling bored concrete piles with the baffle, links together two or more baffles earlier, then inserts the baffle between two drilling bored concrete piles.
Optionally, two rows of counter bores are formed in the outer wall of the connecting block, the counter bores are arranged along the length direction of the connecting groove, one row of counter bores corresponds to one connecting groove, and a locking bolt is arranged in each counter bore and penetrates through each counter bore and is in threaded connection with the inserting block.
Through adopting above-mentioned technical scheme, when two adjacent baffles are connected, insert the spread groove on the connecting block with the inserted block on the baffle earlier, then it is fixed with the locking of connecting block through locking bolt, has increased the joint strength of baffle and connecting block.
Optionally, a water blocking material is arranged between the insertion block and the groove wall of the installation groove.
Through adopting above-mentioned technical scheme, the stagnant water performance of stagnant water structure can have been increased to the material that blocks water, has reduced the interior infiltration of appearing of foundation ditch, has leaked the possibility with the quicksand. .
Optionally, the water blocking material is a rubber water stop.
Through adopting above-mentioned technical scheme, the leakproofness of mounting groove has been increased to the rubber waterstop, has increased the stagnant water performance.
Optionally, the water blocking material is a foaming adhesive.
Through adopting above-mentioned technical scheme, after inserting the inserted block into the mounting groove, add the foamed rubber to the gap between mounting groove and the inserted block, increased the stagnant water performance of stagnant water structure.
On the other hand, the application provides a construction method of the cast-in-place pile, which adopts the following technical scheme,
s1, sorting the field, removing sundries and lofting the pile position;
s2, a slurry digging pool, a sedimentation pool and a water storage pool, wherein the drilling machine is in place;
s3, drilling;
s4, cleaning holes;
s5, manufacturing a reinforcement cage, welding and fixing the reinforcement cage and the mounting block, and then hoisting the reinforcement cage into the pile hole through the lifter;
s6, hoisting the baffle plate, inserting the baffle plate into the mounting groove of the mounting block, and driving the baffle plate into the soil layer through a vibration hammer;
and S7, pouring underwater concrete to finally form the bored pile enclosure structure.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the baffle is arranged between the two cast-in-situ bored piles, so that the construction is faster than the arrangement of a slope protection surface, the working efficiency is improved, and the possibility of water seepage, water leakage and quicksand of a foundation pit can be effectively reduced;
2. when the baffle plate is installed, the insertion block is aligned with the corresponding installation groove, the baffle plate is driven into a soil layer through the vibration hammer, and when the baffle plate is hammered downwards, the insertion block and the ball roll, so that the insertion block can move downwards conveniently;
3. when the distance between two cast-in-situ bored piles is longer, two or more baffles between the two cast-in-situ bored piles are needed, and two adjacent baffles are connected through a connecting block.
Drawings
Fig. 1 is a schematic structural view of the related art.
Fig. 2 is a schematic diagram of a first embodiment of the present application.
Fig. 3 is a schematic view showing a connection relationship between a baffle and a mounting block in an embodiment of the present application.
Fig. 4 is a schematic view of a ball bearing embodying the first embodiment of the present application.
Fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.
Fig. 6 is a schematic structural diagram showing a second embodiment of the present application.
Fig. 7 is a schematic view of a connecting slot and counter-bore embodying the present application.
Description of reference numerals: 1. drilling a cast-in-place pile; 2. mounting blocks; 21. mounting grooves; 211. a first mounting groove; 212. a second mounting groove; 3. a baffle plate; 31. inserting a block; 4. a ball bearing; 5. a rubber waterstop; 6. connecting blocks; 61. connecting grooves; 62. a countersunk hole; 63. locking the bolt; 7. foaming glue; 8. protect the slope surface.
Detailed Description
The present application is described in further detail below with reference to figures 2-7.
Example one
The embodiment of the application discloses bored concrete pile stagnant water structure. Referring to fig. 2, the cast-in-situ bored pile 1 is provided, the cast-in-situ bored pile 1 is formed by casting a reinforcement cage and concrete, and a plurality of cast-in-situ bored piles 1 are uniformly distributed around a foundation pit.
Referring to fig. 3, both sides of the cast-in-situ bored pile 1 are provided with mounting blocks 2, and the mounting blocks 2 are welded and fixed with the reinforcement cage. The mounting groove 21 has been seted up on the mounting block 2, and the mounting groove 21 includes first mounting groove 211, and second mounting groove 212, and first mounting groove 211 is located the one side of keeping away from bored concrete pile 1, and second mounting groove 212 is located the one side of being close to bored concrete pile 1, and first mounting groove 211 and second mounting groove 212 intercommunication, and the width of second mounting groove 212 is greater than the width of first mounting groove 211, and a T type groove is constituteed to second mounting groove 212 and first mounting groove 211.
Be connected with baffle 3 between per two adjacent drilling bored concrete piles 1, the both ends of baffle 3 all are fixed with inserted block 31, and the one end that baffle 3 was kept away from to inserted block 31 is convex. The insert block 31 is inserted and matched with the mounting groove 21.
When the baffle 3 is installed, the installation blocks 2 are welded and fixed on the reinforcement cage, then a plurality of reinforcement cages provided with the installation blocks 2 are placed in pile holes of a construction site respectively, after the reinforcement cages are placed under the reinforcement cage body, the baffle 3 is inserted into the installation groove 21, and finally concrete is poured to form the enclosure structure of the cast-in-situ bored pile 1.
Referring to fig. 4 and 5, a plurality of balls 4 are installed on the wall of the installation groove 21, the plurality of balls 4 are arranged along the length direction of the installation groove 21, when the insert block 31 is inserted into the installation groove 21, the insert block 31 can slide along the balls 4, the balls 4 facilitate the insert block 31 to enter the installation groove 21, and the installation efficiency is improved.
Referring to fig. 3, a water blocking material is arranged in the mounting groove 21, the water blocking material is a rubber water stop 5, the rubber water stop 5 is fixedly connected with the groove wall of the second mounting groove 212, the ball 4 penetrates through the rubber water stop 5, and after the baffle 3 is inserted into the two cast-in-situ bored piles 1, the rubber water stop 5 improves the water blocking performance of the baffle 3.
The application also discloses a cast-in-situ bored pile construction method, which comprises the following steps:
s1, sorting the field, removing sundries and lofting the pile position;
s2, a slurry digging pool, a sedimentation pool and a water storage pool, wherein the drilling machine is in place;
s3, drilling, wherein the connection of a drilling tool is firm and vertical, the initial drilling speed is not too fast, the change of mud indexes is often tested in the drilling process, and the condition that the ground near the inside of the drilling hole is cracked or the pile frame inclines is often observed;
s4, cleaning holes;
s5, manufacturing a reinforcement cage, welding and fixing the reinforcement cage and the mounting block 2, and then hoisting the reinforcement cage into the pile hole through the lifter;
s6, hoisting the baffle 3, inserting the baffle 3 into the mounting groove 21 of the mounting block 2, and driving the baffle 3 into a soil layer through a vibration hammer;
and S7, pouring underwater concrete to finally form the cast-in-situ bored pile 1 enclosure.
Example two
Referring to fig. 6 and 7, the difference from the first embodiment is that when two adjacent cast-in-situ bored piles 1 are far away, two baffles 3 need to be arranged between the two adjacent cast-in-situ bored piles 1, the two ends of each baffle 3 are both fixed with the insertion block 31, the connection block 6 is arranged between the two baffles 3, and the two baffles 3 are connected and fixed through the connection block 6.
Connecting groove 61 has all been seted up to connecting block 6's both sides, and connecting groove 61 is the same with mounting groove 21's structure, and the inserted block 31 of 3 one ends of baffle is pegged graft with connecting groove 61, and the inserted block 31 of the 3 other ends of baffle is pegged graft with mounting groove 21 to link together two adjacent bored concrete piles 1. When installing baffle 3 to two adjacent bored concrete piles 1, be connected two baffles 3 and connecting block 6 earlier, then install two baffles 3 and connecting block 6 between two bored concrete piles 1.
Two columns of counter bores 62 are formed in the connecting block 6, one column of counter bores 62 is opposite to one mounting groove 21, the other column of counter bores 62 is opposite to the other mounting groove 21, locking bolts 63 are arranged in the counter bores 62, and the locking bolts 63 penetrate through the counter bores 62 and are in threaded connection with the inserting block 31, so that the inserting block 31 and the connecting block 6 are fixed.
And water-blocking materials are arranged in the mounting groove 21 and the connecting groove 61, the water-blocking materials improve the waterproof performance of the baffle 3, and the water-blocking materials are foaming glue 7. After the insertion block 31 is inserted into the connection groove 61, the foamed rubber 7 is filled into the gap of the connection groove 61, and the water stopping performance is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a drilling bored concrete pile stagnant water structure which characterized in that: include bored concrete pile (1) by steel reinforcement cage and concrete placement formation, the both sides of steel reinforcement cage have all been welded installation piece (2), have seted up mounting groove (21) on installation piece (2), are connected with baffle (3) between two adjacent bored concrete pile (1), and the both ends of baffle (3) all are fixed with inserted block (31), and the one end that baffle (3) were kept away from in inserted block (31) is arc, and inserted block (31) are pegged graft with the slot and are cooperated.
2. The bored pile water stop structure according to claim 1, wherein: and the ball (4) is arranged on the wall of the mounting groove (21) far away from the baffle (3), and one side of the insert block (31) far away from the baffle (3) is contacted with the ball (4).
3. The bored pile water stop structure according to claim 1, wherein: two baffle (3) between drilling bored concrete pile (1) are provided with a plurality ofly, are provided with connecting block (6) between two adjacent baffle (3), and spread groove (61) the same with mounting groove (21) structure is seted up respectively at the both ends of connecting block (6), and insert block (31) that baffle (3) are close to connecting block (6) are pegged graft with spread groove (61) and are cooperated.
4. A bored pile water stop structure according to claim 3, wherein: two rows of counter bores (62) are formed in the outer wall of the connecting block (6), the counter bores (62) are arranged along the length direction of the connecting groove (61), one row of counter bores (62) correspond to one connecting groove (61), locking bolts (63) are arranged in the counter bores (62), and the locking bolts (63) penetrate through the counter bores (62) and are in threaded connection with the inserting block (31).
5. The bored pile water stop structure according to claim 1, wherein: and a water blocking material is arranged between the inserting block (31) and the groove wall of the mounting groove (21).
6. The bored pile water stop structure according to claim 5, wherein: the water blocking material is a rubber water stop (5).
7. The bored pile water stop structure according to claim 5, wherein: the water-blocking material is foaming glue (7).
8. A construction method of a cast-in-situ bored pile is characterized by comprising the following steps,
s1, sorting the field, removing sundries and lofting the pile position;
s2, a slurry digging pool, a sedimentation pool and a water storage pool, wherein the drilling machine is in place;
s3, drilling;
s4, cleaning holes;
s5, manufacturing a reinforcement cage, welding and fixing the reinforcement cage and the mounting block (2), and then hoisting the reinforcement cage into the pile hole through the lifter;
s6, hoisting the baffle (3), inserting the baffle into the mounting groove (21) of the mounting block (2), and driving the baffle (3) into a soil layer through a vibration hammer;
and S7, pouring underwater concrete to finally form the enclosing structure of the cast-in-situ bored pile (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110914686.5A CN113653084A (en) | 2021-08-10 | 2021-08-10 | Cast-in-situ bored pile water stopping structure and cast-in-situ bored pile construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110914686.5A CN113653084A (en) | 2021-08-10 | 2021-08-10 | Cast-in-situ bored pile water stopping structure and cast-in-situ bored pile construction method |
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| CN113653084A true CN113653084A (en) | 2021-11-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215068A (en) * | 2021-11-23 | 2022-03-22 | 浙江瑞美生态建设股份有限公司 | Foundation pit support device and construction method |
| CN116005701A (en) * | 2023-01-06 | 2023-04-25 | 江苏力迈建设工程有限公司 | Construction method of water-stopping enclosure structure of soft soil foundation building foundation pit |
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| CN204875808U (en) * | 2015-08-17 | 2015-12-16 | 化学工业岩土工程有限公司 | Excavation supporting keeps off soil, stagnant water structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215068A (en) * | 2021-11-23 | 2022-03-22 | 浙江瑞美生态建设股份有限公司 | Foundation pit support device and construction method |
| CN116005701A (en) * | 2023-01-06 | 2023-04-25 | 江苏力迈建设工程有限公司 | Construction method of water-stopping enclosure structure of soft soil foundation building foundation pit |
| CN116005701B (en) * | 2023-01-06 | 2023-10-24 | 江苏力迈建设工程有限公司 | Construction method of water-stopping enclosure structure of soft soil foundation building foundation pit |
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Application publication date: 20211116 |
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