CN208105249U - Deep mud pit cast-in-situ bored pile - Google Patents
Deep mud pit cast-in-situ bored pile Download PDFInfo
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- CN208105249U CN208105249U CN201820516824.8U CN201820516824U CN208105249U CN 208105249 U CN208105249 U CN 208105249U CN 201820516824 U CN201820516824 U CN 201820516824U CN 208105249 U CN208105249 U CN 208105249U
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Abstract
The utility model relates to deep mud pit cast-in-situ bored piles, including cement mixing pile and cast-in-situ bored pile, it includes mixing pile indwelling hole, expansion stake top and local wide pile body that cement mixing pile and cast-in-situ bored pile solidify crust layer to enter cement mixing pile described in uncured area by shallow-layer, cement mixing pile is placed in mixing pile indwelling hole, cement mixing pile upper end, which is equipped with, expands stake top, and cement mixing pile lower end is equipped with local wide pile body；The cast-in-situ bored pile includes band end plate casing fixed cylinder, interior steel pile casting, outer steel pile casting, opening and closing lifting rod, casing, unitary tape cutting edge cut hole mold and steel reinforcement cage position-limited rack.The utility model has the beneficial effects that：The utility model carries out casing indwelling hole before shallow-layer solidification crust layer not yet solidifies completion and constructs, and embedding steel pipe of boxing out, the embedding punch die of casing is extracted afterwards, is solved the problems, such as the fully hardened rear mixing pile indwelling hole constructional difficulties of shallow-layer solidification crust layer, is improved construction efficiency.
Description
Technical field
The utility model relates to a kind of deep mud pit cast-in-situ bored piles, belong to foundation engineering field, are suitable for deep mud
The cast-in-situ bored pile and cement mixing pile driving construction of stock tank and muck soil.
Background technique
With the maturation of China's architectural engineering technology and the fast development of industry, cement mixing pile and cast-in-situ bored pile are wide
It is general to be applied to the engineerings such as foundation stabilization, Large Infrastructure Projects are built, since there are deep mud pit, shallow-layer are solid for geological conditions
The limitation of the specific conditions such as change is not able to satisfy construction requirement using conventional cement mixing pile and bored pile construction method,
Construction organization is extremely difficult, and using deep mud pit bored pile construction method is to solve the problems, such as that this is more effectively arranged
It applies.
Utility model content
The purpose of the utility model is to overcome deficiencies in the prior art, provide a kind of deep mud pit cast-in-situ bored pile.
This deep mud pit cast-in-situ bored pile, including cement mixing pile and cast-in-situ bored pile, cement mixing pile and drilling
Bored concrete pile solidifies crust layer by shallow-layer and enters uncured area；
The cement mixing pile includes that mixing pile indwelling hole, expansion stake top and local wide pile body, cement mixing pile are placed in
In mixing pile indwelling hole, cement mixing pile upper end, which is equipped with, expands stake top, and cement mixing pile lower end is equipped with local wide pile body；
The cast-in-situ bored pile include band end plate casing fixed cylinder, interior steel pile casting, outer steel pile casting, opening and closing lifting rod, casing,
Unitary tape cutting edge cut hole mold and steel reinforcement cage position-limited rack；Interior steel pile casting is equipped in the embedding hole of casing, interior steel pile casting is equipped with shield
Cylinder overflow hole, interior steel pile casting is interior to be equipped with casing and steel reinforcement cage main reinforcement, is evenly distributed stirrup between steel reinforcement cage main reinforcement；The interior steel pile casting
It is externally provided with steel pipe of boxing out, steel pipe upper end of boxing out is equipped with outer steel pile casting, and outer steel pile casting is fixed by band end plate casing fixed cylinder, band edge
Plate casing fixed cylinder is fixed in the stationary positioned stake that shallow-layer solidifies in crust layer by stationary positioned screw rod；In steel reinforcement cage main reinforcement
End is equipped with steel reinforcement cage position-limited rack；Cast-in-situ bored pile upper end is equipped with lifting overflow and opens and closes hoop, sets on the left of lifting overflow opening and closing hoop
There is opening and closing lifting rod.
As preferred：Opening and closing lifting rod on the left of the lifting overflow opening and closing hoop is fixed by lifting rod fixation steel plate,
It lifts and is equipped with floor on the right side of overflow opening and closing hoop, lifting overflow opening and closing hoop lower end is equipped with hydro-expansive rubber pad.
As preferred：The outer steel pile casting lower end is equipped with positioning ring flat-plate, bottom plate and lower cutting plate, is casing above positioning ring flat-plate
Separate type is external to put hoop slot；Design of pile top absolute altitude is equipped on the outside of outer steel pile casting.
As preferred：The steel reinforcement cage position-limited rack includes adjustable tape jacking Horizontal limiting bar, reinforces limit stirrup, cross
Limit fixed plate and brace, the brace bottom of lower end are fixed in stationary positioned stake.
As preferred：Full control mesh bag is equipped in the steel pipe of boxing out.
As preferred：Conduit is equipped with inside the steel reinforcement cage, conduit upper end connects automatic lifting catheter control systems, leads
Pipe lower end is equipped with depth of tremie sensor, is equipped at the top of steel reinforcement cage and pours face tester.
As preferred：The embedding hole of casing includes the embedding punch die of monoblock type casing and the embedding casement of separate type casing
Have, is equipped on the embedding punch die of monoblock type casing and the embedding punch die of separate type casing and wears muscle hole, the embedding hole of separate type casing
Mold is made up of separating type die skeleton tongue and groove connection.
As preferred：The embedding hole of casing passes through unitary tape cutting edge cut hole mold pore-forming, the unitary tape cutting edge
Cut hole mold includes fixed band cutting edge cut hole plate, movable band cutting edge cut hole plate, band slot die skeleton, notch and rotating handle；
Band slot die skeleton upper end is equipped with rotating handle, and band slot die skeleton surface is equipped with notch, is equipped in the middle part of band slot die skeleton
Movable band cutting edge cut hole plate, band slot die skeleton lower part are equipped with fixed band cutting edge cut hole plate.
The utility model has the beneficial effects that：
(1) this method carries out the construction of casing indwelling hole before shallow-layer solidification crust layer not yet solidify completion, and embedding boxes out
Steel pipe, it is rear to extract the embedding punch die of casing, efficiently solve the fully hardened rear mixing pile indwelling hole construction of shallow-layer solidification crust layer
Difficult problem, improves construction efficiency；
(2) expansion pile head is set at the top of cast-in-situ bored pile, the above casting concrete of designed elevation is squeezed by overflow hole
It is pressed onto expansion pile head, eliminates subsequent construction cutting piles；
(3) drilling uses unitary tape cutting edge cut hole mold, and cut hole quality mores easily guarantee；
(4) steel reinforcement cage position-limited rack is used, it is therefore prevented that cast-in-situ bored pile casting process rising of steel cage effectively increases drilling
The construction quality of bored concrete pile.
Detailed description of the invention
Fig. 1 is deep mud pit cast-in-situ bored pile reperfusion structure figure；
Fig. 2 is cast-in-situ bored pile expansion pile head detail drawing；
Fig. 3 is unitary tape cutting edge cut hole die drawing；
Fig. 4 is the embedding punch die figure of monoblock type casing；
Fig. 5 is the embedding punch die figure of separate type casing；
Fig. 6 is separating type die skeleton drawing；
Fig. 7 is local wide pile body cement mixing pile；
Fig. 8 is cement mixing pile and cast-in-situ bored pile plane of arrangement figure.
Description of symbols：1- mud, 2- cement mixing pile, 3- shallow-layer solidify crust layer, 4- mixing pile indwelling hole, and 5- is stayed
Hole steel pipe, 6- backfill stirring soil, 7- expansion stake top, 8- local wide pile body, the embedding hole of 9- casing, 10- monoblock type casing are embedding
Punch die, the embedding punch die of 11- separate type casing, 12- separating type die skeleton, the fixed band cutting edge cut hole plate of 13-, 14- are living
Dynamic formula band cutting edge cut hole plate, 15- stationary positioned stake, 16- stationary positioned screw rod, 17- band end plate casing fixed cylinder, 18- casing point
External from formula to put hoop slot, 19- lifts overflow and opens and closes hoop, 20- hydro-expansive rubber pad, and 21- opens and closes lifting rod, 22- lifting rod
Fixation steel plate, 23- casing overflow hole, 24- steel reinforcement cage position-limited rack, 25- adjustable tape jacking Horizontal limiting bar, 26- reinforce limit
Stirrup, 27- cross limit fixed plate, 28- conduit, 29- automatic lifting catheter control systems, 30- depth of tremie sensor,
31- pours face tester, and 32- fills control mesh bag, 33- rotating handle, and 34- wears muscle hole, 35- steel reinforcement cage main reinforcement, 36- design of pile top mark
Height, 37- casing, steel pile casting in 38-, 39- floor, the ground 40-, 41- position ring flat-plate, 42- bottom plate, 43- stirrup, and 44- pours face,
The outer steel pile casting of 45-, cutting plate under 46-, the uncured area 47-, 48- cast-in-situ bored pile, the curing area 49-, 50- brace, 51- steel twist
Line, 52- tongue and groove, 53- unitary tape cutting edge cut hole mold, 54- band slot die skeleton, 55- notch.
Specific embodiment
The utility model is described further below with reference to embodiment.The explanation of following embodiments is only intended to help to manage
Solve the utility model.It should be pointed out that for those skilled in the art, not departing from the utility model principle
Under the premise of, several improvements and modifications can be made to this utility model, these improvement and modification also fall into the utility model
In scope of protection of the claims.
The deep mud pit cast-in-situ bored pile, including cement mixing pile 2 and cast-in-situ bored pile 48,2 He of cement mixing pile
Cast-in-situ bored pile 48 solidifies crust layer 3 by shallow-layer and enters uncured area 47.
The cement mixing pile 2 includes mixing pile indwelling hole 4, expands stake top 7 and local wide pile body 8, cement mixing pile 2
It is placed in mixing pile indwelling hole 4,2 upper end of cement mixing pile, which is equipped with, expands stake top 7, and 2 lower end of cement mixing pile is equipped with local wide
Pile body 8.
The cast-in-situ bored pile 48 includes band end plate casing fixed cylinder 17, interior steel pile casting 38, outer steel pile casting 45, opening and closing lifting
Bar 21, casing 37, unitary tape cutting edge cut hole mold 53 and steel reinforcement cage position-limited rack 24；Casing is equipped with interior steel pile casting in embedding hole 9
38, interior steel pile casting 38 is equipped with casing overflow hole 23, is equipped with casing 37 and steel reinforcement cage main reinforcement 35, steel reinforcement cage master in interior steel pile casting 38
Stirrup 43 is evenly distributed between muscle 35；The interior steel pile casting 38 is externally provided with steel pipe 5 of boxing out, and 5 upper end of steel pipe of boxing out is equipped with outer steel pile casting
45, outer steel pile casting 45, which passes through band end plate casing fixed cylinder 17, to be fixed, and band end plate casing fixed cylinder 17 passes through stationary positioned screw rod 16
It is fixed in the stationary positioned stake 15 that shallow-layer solidifies in crust layer 3；35 upper end of steel reinforcement cage main reinforcement is equipped with steel reinforcement cage position-limited rack 24；It bores
48 upper end of hole pouring pile is equipped with lifting overflow and opens and closes hoop 19, is equipped with opening and closing lifting rod 21 on the left of lifting overflow opening and closing hoop 19.
The opening and closing lifting rod 21 in 19 left side of lifting overflow opening and closing hoop is fixed by lifting rod fixation steel plate 22, lifting
Overflow opens and closes and is equipped with floor 39 on the right side of hoop 19, and lifting overflow opening and closing 19 lower end of hoop is equipped with hydro-expansive rubber pad 20.
45 lower end of outer steel pile casting is equipped with positioning ring flat-plate 41, bottom plate 42 and lower cutting plate 46, positions above ring flat-plate 41 as shield
Cylinder separate type is external to put hoop slot 18；Design of pile top absolute altitude 36 is equipped on the outside of outer steel pile casting 45.
The steel reinforcement cage position-limited rack 24 includes adjustable tape jacking Horizontal limiting bar 25, reinforces limit stirrup 26, cross limit
Position fixed plate 27 and brace 50,50 bottom of brace of lower end are fixed in stationary positioned stake 15.
Full control mesh bag 32 is equipped in the steel pipe 5 of boxing out.
Conduit 28 is equipped with inside the steel reinforcement cage, 28 upper end of conduit connects automatic lifting catheter control systems 29, conduit
28 lower ends are equipped with depth of tremie sensor 30, are equipped at the top of steel reinforcement cage and pour face tester 31.
The embedding hole 9 of casing includes the embedding punch die 10 of monoblock type casing and the embedding punch die 11 of separate type casing, whole
It is equipped on the embedding punch die 10 of body formula casing and the embedding punch die 11 of separate type casing and wears muscle hole 34, the embedding hole of separate type casing
Mold 11 is made up of separating type die skeleton 12 connection of tongue and groove 52.
The embedding hole 9 of casing passes through 53 pore-forming of unitary tape cutting edge cut hole mold, the unitary tape cutting edge cut hole mould
Tool 53 includes fixed band cutting edge cut hole plate 13, movable band cutting edge cut hole plate 14, band slot die skeleton 54, notch 55 and rotation
Handle 33；Band 54 upper end of slot die skeleton is equipped with rotating handle 33, and band 54 surface of slot die skeleton is equipped with notch 55, band slot die
Movable band cutting edge cut hole plate 14 is equipped in the middle part of skeleton 54, band 54 lower part of slot die skeleton is equipped with fixed band cutting edge cut hole plate
13。
The construction method of the deep mud pit cast-in-situ bored pile, includes the following steps：
Step 1: cofferdam of banketing：First cut the earth shovel again soil finally banket, carry out the cofferdam construction that bankets；
Step 2: drawing water：Water extra in mud pit draw water detaching；
Step 3: the soil body backfills：Mud 1 is removed before soil body backfill, then carries out soil body backfill；
Step 4: shallow-layer solidifies：Curing process is carried out to mud pit shallow-layer part；
Step 5: mixing pile indwelling hole 4 is constructed：The operation in mixing pile indwelling hole 4 is carried out after shallow-layer curing process；
Step 6: the embedding hole 9 of casing is constructed：Casing is squeezed into the embedding hole 9 of casing；
Step 7: solidified earth leveling compacting：Leveling compacting is carried out to shallow-layer solidified earth；
Step 8: stationary positioned stake 15 is pre-buried：The device of pre-buried stationary positioned stake 15 includes steel pipe, armored concrete；
Step 9: the extraction of steel pipe 5 of boxing out：Extract the steel pipe 5 of boxing out of insertion；
Step 10: the embedding punch die 10 of monoblock type casing and the embedding punch die 11 of separate type casing are extracted：Solidify in shallow-layer
After soil reaches some strength, the embedding punch die of casing is extracted；
Step 11: shallow-layer curing conservation：Shallow-layer solidified earth is conserved, desired strength is reached；
Step 12: cement mixing pile 2 is constructed：Using cement as the host agent of curing agent, using mixing pile machine by cement jet
Enter the soil body and is sufficiently stirred；
Step 13: being installed with end plate casing fixed cylinder 17：Band end plate casing fixed cylinder 17 is first placed before steel pile casting is installed；
Step 14: steel pile casting is installed：By the top plate and bottom plate 42 of outer steel pile casting 45, close ring, floor 39, positioning ring flat-plate
41, lower cutting plate 46, butt hole and inserted link assemble, the casing overflow hole symmetrical along ring Zhou Kaishe on interior 38 tube wall of steel pile casting
23；
Step 15: drilling machine pore-forming：Spiral-digging pore cuts the soil body using unitary tape cutting edge cut hole mold 53, and will cutting
The soil body to get off is packed into drilling bucket, then proposes drilling bucket to unload soil outside hole by hoist for driller and telescopic drill rod；
Step 16: borehole cleaning：It is discharged into slurry transportation equipment by plate top openings, pile bottom sediment thickness meets specification after borehole cleaning
It is required that insertion inserted link closes close ring after the completion of borehole cleaning；
Step 17: hanging steel reinforcement cage：Steel reinforcement cage is placed using crane, keeps steel reinforcement cage vertical when decentralization, must not swing
Collide hole wall；
Step 18: installation steel reinforcement cage position-limited rack 24：Steel reinforcement cage position-limited rack 24 uses one with end plate casing fixed cylinder 17
Body formula structural system；
Step 19: casting concrete：Pouring for drill-pouring pile concrete is carried out using conduit 28, utilizes automatic lifting
It formula catheter control systems 29, depth of tremie sensor 30 and pours face tester 31 and realizes the controllable of concreting process
Change；
Step 20: the superfilled concrete overflow in top：Superfilled concrete unplugs opening and closing lifting rod 21 after reaching a certain height
The superfilled concrete in top is set to pass through 23 overflow of casing overflow hole；
Step 2 11, stake top cleaning：All outflow forms expansion pile head to superfilled part concrete, is pulled out using mechanical equipment
Interior steel pile casting 38 is finally extracted in steel pile casting 45 out.
Claims (8)
1. a kind of deep mud pit cast-in-situ bored pile, which is characterized in that including cement mixing pile (2) and cast-in-situ bored pile (48),
Cement mixing pile (2) and cast-in-situ bored pile (48) enter uncured area (47) by shallow-layer solidification crust layer (3)；
The cement mixing pile (2) includes mixing pile indwelling hole (4), expands stake top (7) and local wide pile body (8), and cement stirs
It mixes stake (2) to be placed in mixing pile indwelling hole (4), cement mixing pile (2) upper end, which is equipped with, expands stake top (7), under cement mixing pile (2)
End is equipped with local wide pile body (8)；
The cast-in-situ bored pile (48) includes band end plate casing fixed cylinder (17), interior steel pile casting (38), outer steel pile casting (45), opening and closing
Lifting rod (21), casing (37), unitary tape cutting edge cut hole mold (53) and steel reinforcement cage position-limited rack (24)；The embedding hole of casing (9)
Interior to be equipped with interior steel pile casting (38), interior steel pile casting (38) is equipped with casing overflow hole (23), and casing is equipped in interior steel pile casting (38)
(37) and steel reinforcement cage main reinforcement (35) stirrup (43), are evenly distributed between steel reinforcement cage main reinforcement (35)；The interior steel pile casting (38) is externally provided with
It boxes out steel pipe (5), steel pipe of boxing out (5) upper end is equipped with outer steel pile casting (45), and outer steel pile casting (45) passes through band end plate casing fixed cylinder
(17) fixed, it is fixed in shallow-layer solidification crust layer (3) with end plate casing fixed cylinder (17) by stationary positioned screw rod (16)
In stationary positioned stake (15)；Steel reinforcement cage main reinforcement (35) upper end is equipped with steel reinforcement cage position-limited rack (24)；Cast-in-situ bored pile (48) upper end is set
There is lifting overflow opening and closing hoop (19), is equipped with opening and closing lifting rod (21) on the left of lifting overflow opening and closing hoop (19).
2. deep mud pit cast-in-situ bored pile according to claim 1, it is characterised in that：The lifting overflow opens and closes hoop
(19) the opening and closing lifting rod (21) on the left of is fixed by lifting rod fixation steel plate (22), sets on the right side of lifting overflow opening and closing hoop (19)
Have floor (39), lifting overflow opening and closing hoop (19) lower end is equipped with hydro-expansive rubber pad (20).
3. deep mud pit cast-in-situ bored pile according to claim 1, it is characterised in that：Outer steel pile casting (45) lower end
Equipped with positioning ring flat-plate (41), bottom plate (42) and lower cutting plate (46), hoop slot is put for casing separate type is external above positioning ring flat-plate (41)
(18)；Design of pile top absolute altitude (36) are equipped on the outside of outer steel pile casting (45).
4. deep mud pit cast-in-situ bored pile according to claim 1, it is characterised in that：The steel reinforcement cage position-limited rack (24)
Including adjustable tape jacking Horizontal limiting bar (25), reinforce limit stirrup (26), cross limit fixed plate (27) and brace
(50), brace (50) bottom of lower end is fixed in stationary positioned stake (15).
5. deep mud pit cast-in-situ bored pile according to claim 1, it is characterised in that：It is set in the steel pipe of boxing out (5)
There is full control mesh bag (32).
6. deep mud pit cast-in-situ bored pile according to claim 1, it is characterised in that：It is equipped with and leads inside the steel reinforcement cage
It manages (28), conduit (28) upper end connects automatic lifting catheter control systems (29), and conduit (28) lower end is passed equipped with depth of tremie
Sensor (30), steel reinforcement cage top, which is equipped with, pours face tester (31).
7. deep mud pit cast-in-situ bored pile according to claim 1, it is characterised in that：The embedding hole of casing (9) packet
Include the embedding punch die of monoblock type casing (10) and the embedding punch die of separate type casing (11), the embedding punch die of monoblock type casing (10)
It is worn muscle hole (34) with being equipped on the embedding punch die of separate type casing (11), the embedding punch die of separate type casing (11) is by separate type
Mold skeleton (12) passes through tongue and groove (52) connection composition.
8. deep mud pit cast-in-situ bored pile according to claim 1, it is characterised in that：The embedding hole of casing (9) is logical
Unitary tape cutting edge cut hole mold (53) pore-forming is crossed, the unitary tape cutting edge cut hole mold (53) includes that fixed band cutting edge is cut
Orifice plate (13), movable band cutting edge cut hole plate (14), band slot die skeleton (54), notch (55) and rotating handle (33)；Band notch
Mold skeleton (54) upper end is equipped with rotating handle (33), and band slot die skeleton (54) surface is equipped with notch (55), band slot die bone
Movable band cutting edge cut hole plate (14) is equipped in the middle part of frame (54), band slot die skeleton (54) lower part is equipped with fixed band cutting edge and cuts
Orifice plate (13).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820516824.8U CN208105249U (en) | 2018-04-12 | 2018-04-12 | Deep mud pit cast-in-situ bored pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820516824.8U CN208105249U (en) | 2018-04-12 | 2018-04-12 | Deep mud pit cast-in-situ bored pile |
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| CN208105249U true CN208105249U (en) | 2018-11-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316291A (en) * | 2018-04-12 | 2018-07-24 | 浙江大学城市学院 | Deep mud pit cast-in-situ bored pile and construction method |
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2018
- 2018-04-12 CN CN201820516824.8U patent/CN208105249U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316291A (en) * | 2018-04-12 | 2018-07-24 | 浙江大学城市学院 | Deep mud pit cast-in-situ bored pile and construction method |
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