CN110374110A - A kind of foundation pit supporting construction and its construction method - Google Patents
A kind of foundation pit supporting construction and its construction method Download PDFInfo
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- CN110374110A CN110374110A CN201910657692.XA CN201910657692A CN110374110A CN 110374110 A CN110374110 A CN 110374110A CN 201910657692 A CN201910657692 A CN 201910657692A CN 110374110 A CN110374110 A CN 110374110A
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- upright bar
- foundation pit
- wall
- guide pile
- supporting beam
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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
- E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of foundation pit supporting constructions, belong to technical field of building construction, it includes more guide piles for being plugged in bottom of foundation ditch, the top side detachable of guide pile is connected with the upright bar being connected on foundation pit side-wall, the connector that upright bar and foundation pit side-wall is fixed is fixed on foundation pit side-wall, two adjacent bottom of upright rod are removably connected with supporting beam, it is plugged with the two pieces of positioning plates one and positioning plate two for being connected to supporting beam top sides edge between two adjacent upright bars, cavity is collectively formed between positioning plate one, positioning plate two, upright bar and supporting beam；The invention also discloses a kind of construction methods of foundation pit supporting construction: S1, first guide pile and connector being installed in foundation pit；S2, a bar and guide pile and connector are fixed；S3, installation supporting beam；S4, positioning plate one and positioning plate two are installed between two adjacent upright bars；S5, casting concrete barricade；S6, supporting construction is dismantled；Invention has the effect of dismantling concrete guard wall.
Description
Technical field
The present invention relates to technical field of building construction, more particularly, to a kind of foundation pit supporting construction and its construction method.
Background technique
With the development of urban construction, executive information systems are increasing, and executive information systems are due to top
Load is big, mostly uses compensated foundation greatly, multi-storey basement is arranged generally in favor of the stabilization of building, but which results in
Embedded depth of foundation is big, and excavation of foundation pit is deep, the ground such as soil property softer coastal erosion and deposition Plain more in precipitation, becomes silted up in soil layer containing a large amount of
Mud and fine sand, soil property is soft, if water-impervious and drainage measure are not enough rationally, easily causes to prop up after the rainwater accumulation in foundation pit
The loosening of the supporting construction such as fender pile, to cause the accidents such as foundation pit collapse.
Currently, for the supporting construction form of soft soil foundation pit generally use Cement-soil Gravity enclosure wall, cast-in-situ bored pile+
Supporting construction is supportted before hole inner support or vertical type steel pipe, but three there are respective advantage and disadvantage respectively.
Existing pattern foundation pit supporting structure commonly uses drill-pouring piling wall, cheats interior setting horizontal reinforcement concrete support, thus improves
The rigidity and stability of foundation pit enclosure structure, but after the completion of constructing, need to dismantle to concrete reinforcement, due to bar pouring
It builds in concrete guard wall, concrete guard wall is dismantled so as to cause inconvenience.
Summary of the invention
It is an object of the present invention to provide a kind of foundation pit supporting construction, reaches and pour steel in concrete instead of traditional
Muscle, after the completion of construction, convenient for being dismantled to concrete guard wall.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of foundation pit supporting construction, the more guide piles including being plugged in bottom of foundation ditch, the top side detachable of guide pile are connected with
The upright bar being connected on foundation pit side-wall, is fixed with the connector that upright bar and foundation pit side-wall is fixed on foundation pit side-wall, and adjacent two
Root bottom of upright rod is removably connected with supporting beam, is plugged between two adjacent upright bars and is connected to the two of supporting beam top sides edge
Block positioning plate one and positioning plate two, are collectively formed cavity between positioning plate one, positioning plate two, upright bar and supporting beam, cavity is used
In casting concrete mortar to form concrete guard wall.
By using above scheme, when building, first guide pile is driven piles and is installed on guide pile in bottom of foundation ditch, then by upright bar
Top, upright bar and connector are fixed, then install supporting beam between adjacent two upright bars again, supporting beam finally will
Positioning plate one and positioning plate two are plugged between two upright bars, then to positioning plate one, positioning plate two, upright bar and supporting beam it
Between casting concrete in cavity is collectively formed, poured concrete mortar in cavity to form concrete guard wall, when disassembly, first
Positioning plate two is extracted out at the top of upright bar, then concrete is disassembled, is later again disassembled positioning plate one, positioning plate
After one disassembles, then upright bar is dismantled, guide pile is taken out again from bottom of foundation ditch finally, has been reached convenient for concrete
The process that barricade is dismantled.
The present invention is further arranged to: the bottom of the guide pile is in triangular pyramid type, is installed on the side wall of guide pile more
The hangnail that block is obliquely installed upwards, hangnail are obliquely installed upwards.
By using above scheme, the bottom of guide pile is in triangular pyramid type, convenient for driving piles guide pile to the bottom of ground,
Hangnail is obliquely installed upwards, and convenient for guide pile to be tapped to the bottom for entering ground, hangnail can be such that guide pile connect with ground
It is closer, so that it is more stable to connect guide pile with bottom of foundation ditch.
The present invention is further arranged to: the connector includes burying the connecting plate stretched out in foundation pit side-wall, connecting plate
Middle part is installed with the screw rod of extended spot foundation pit side-wall, the reinforcing rod fixed with screw rod is installed on connecting plate, upright bar is close to foundation pit
The side of side wall offers the circular hole passed through for screw rod, offers gap slot on the side wall of upright bar.
By using above scheme, reinforcing rod, connecting plate and screw rod form triangle, are had according to triangle and are stablized
Property, reinforcing rod can make screw rod more stable, when installing upright bar, first fix upright bar and guide pile, and screw rod is then made to pass through upright bar
On circular hole, then upright bar and the screw rod on foundation pit side-wall are fixed by nut, so as to the dual fixation of upright bar.
The present invention is further arranged to: being plugged with sprue in the gap slot of the upright bar.
By using above scheme, when sprue can prevent casting concrete, concrete blocks gap slot, is convenient for work
Personnel dismantle upright bar, and gap slot is convenient for during installation, hand extend into gap slot on screw rod again and tightens nut by staff, i.e.,
Upright bar and foundation pit side-wall can be fixed.
The present invention is further arranged to: the bottom of the upright bar offers the inserting groove for guide pile grafting, the bottom of upright bar
Portion is offered perpendicular to inserting groove and the locating slot that is connected to inserting groove, offers one through slot, upright bar at the top of guide pile
On be plugged with the positioning pin that upright bar and guide pile is fixed, offer through-hole on positioning pin, worn in through-hole and penetrated bolt, bolt is worn
The through-hole rear thread crossed on positioning pin is connected with nut, can fix upright bar and guide pile.
By using above scheme, so that bottom of upright rod is sheathed on the top of guide pile, be plugged in inserting groove at the top of guide pile
Interior, at this point, being connected to through slot with locating slot at the top of guide pile, positioning pin is sequentially passed through on the locating slot and guide pile of upright bar
Upright bar and guide pile are fixed through slot, then by screw bolt and nut, convenient for the disassembly and installation of guide pile and upright bar.
The present invention is further arranged to: the positioning pin of the bottom of upright rod extends upright bar setting, and the both ends of supporting beam are opened
Equipped with the slot for positioning pin grafting.
By using above scheme, when installation, the positioning pin in a upright bar is first fixed, the bottom of another upright bar is then made
Portion is sheathed on the outside of positioning pin, then makes supporting beam horizontally disposed, makes the slot of the other end of supporting beam and the positioning of upright bar
Then slot connection makes positioning pin pass through the locating slot of upright bar and the slot for being plugged in support beam end after slot of guide pile
It is interior, supporting beam, upright bar and guide pile can be fixed.
The present invention is further arranged to: the top of the supporting beam is close to the edge of foundation pit side-wall and far from foundation pit side-wall
The position at edge offers support slot one and support slot two, and the opposite side of two upright bars respectively symmetrically offers vertically arranged
T-type sliding slot one and T-type sliding slot two, positioning plate one are plugged in the T-type sliding slot one of two adjacent upright bars, and positioning plate two is plugged in
In the T-type sliding slot two of two adjacent upright bars.
By using above scheme, T-type sliding slot one and support slot one are in a vertical plane, T-type sliding slot two and branch
Slot two is supportted in a vertical plane, when installing positioning plate one and positioning plate two, positioning plate one is plugged in T-type sliding slot one simultaneously
It is connected in the support slot one at the top of supporting beam, positioning plate two is plugged in T-type sliding slot two and is connected to the branch at the top of supporting beam
It supports in slot two, casting concrete mortar in the cavity then formed to positioning plate one, positioning plate two, upright bar and crossbeam.
It is a further object to provide a kind of construction method of foundation pit supporting construction, reach convenient for building coagulation
Native barricade, after the completion of construction, convenient for the effect dismantled to concrete guard wall.
A kind of construction method of foundation pit supporting construction, includes the following steps:
S1, guide pile is first installed on bottom of foundation ditch, connector is installed on foundation pit side-wall: guide pile is uniformly driven piles in foundation pit bottom
Connector is uniformly fixed on the position that foundation pit side-wall corresponds to guide pile by portion；
S2, first a upright bar and guide pile and connector fixed: upright bar and connector is fixed, it can be by upright bar and foundation pit side
Wall is fixed, and upright bar and guide pile are fixed, and connect the stage of upright bar with bottom of foundation ditch more stable；
S3, installation supporting beam: supporting beam is installed between two adjacent upright bars；
S4, positioning plate one and positioning plate two are installed between two adjacent upright bars: positioning plate one is plugged in T-type sliding slot one
And abutted with the support slot one at the top of supporting beam, positioning plate two be plugged in T-type sliding slot two and with the support slot at the top of supporting beam
Two abut, and positioning plate one, positioning plate two, upright bar and supporting beam is made to form cavity；
S5, casting concrete barricade: coagulation is poured in the cavity constituted to positioning plate one, positioning plate two, upright bar and supporting beam
Soil is to form concrete guard wall；
S6, supporting construction is dismantled: after completion, concrete guard wall, upright bar, supporting beam and guide pile is torn open out of foundation pit
It unloads down.
By using above scheme, when construction, guide pile is uniformly driven piles in bottom of foundation ditch, connector is uniformly fixed on
Foundation pit side-wall corresponds to the position of guide pile, then upright bar is installed on guide pile and connector, then supporting beam is installed on adjacent
Two bottom of upright rod, then positioning plate one and positioning plate two are plugged between two adjacent upright bars, make positioning plate one, fixed
Position plate two, upright bar and supporting beam form cavity, the sky finally constituted to positioning plate one, positioning plate two, upright bar and supporting beam
Intracavitary casting concrete is to form concrete guard wall, convenient for the installation of supporting construction.
The present invention is further arranged to: in S2, the bottom of upright bar being first sheathed on to the top outer of guide pile, is then made
Screw rod passes through the circular hole in upright bar, then is fixed upright bar and foundation pit side-wall by bolt, then passes through positioning pin for upright bar and positioning
Stake is fixed.
By using above scheme, upright bar and foundation pit side-wall and bottom of foundation ditch can be kept fixed the dual fixation of upright bar,
It connect upright bar with foundation pit inner wall more stable.
The present invention is further arranged to: in S3, being plugged in the slot of supporting beam one end in positioning pin, then will be adjacent
A vertical rod sleeve be set to guide pile top, then by positioning pin pass through upright bar locating slot and be plugged in support beam end
Then slot is fixed positioning pin and upright bar by screw bolt and nut.
By using above scheme, after positioning pin passes through the locating slot of upright bar and is plugged in the slot of support beam end,
Positioning pin, which is located away in through-hole of the upright bar far from the side of supporting beam, passes through bolt, and bolt passes through through-hole and is threaded with spiral shell
Supporting beam can be fixed between two adjacent upright bars by mother.
In conclusion the invention has the following advantages:
1. the top side detachable of guide pile, which is connected with, to be connected on foundation pit side-wall by being plugged with more guide piles in bottom of foundation ditch
Upright bar, the connector that upright bar and foundation pit side-wall is fixed is fixed on foundation pit side-wall, two adjacent bottom of upright rod are detachable
It is connected with supporting beam, two pieces of positioning plates one for being connected to supporting beam top sides edge and positioning are plugged between two adjacent upright bars
Plate two is collectively formed cavity between positioning plate one, positioning plate two, upright bar and supporting beam, concrete sand has been poured in cavity
Slurry is reached with forming concrete guard wall instead of traditional pouring reinforcement in concrete, after the completion of construction, convenient for concrete into
Row disassembly；
2. by making the bottom of guide pile in triangular pyramid type, be installed with that muti-piece is obliquely installed upwards on the side wall of guide pile is fallen
Thorn, hangnail are obliquely installed upwards, and the bottom of guide pile is in triangular pyramid type, convenient for driving piles guide pile to the bottom of ground, hangnail
It is obliquely installed upwards, convenient for guide pile to be tapped to the bottom for entering ground, it is tighter that hangnail can be such that guide pile connect with ground
It is close, so that it is more stable to connect guide pile with bottom of foundation ditch；
3. by being plugged with sprue in the gap slot of upright bar, when sprue can prevent casting concrete, concrete is by gap slot
Blocking dismantles upright bar convenient for staff, and gap slot is convenient for during installation, hand is extend into gap slot screw rod again by staff
On tighten nut, upright bar and foundation pit side-wall can be fixed.
Detailed description of the invention
Fig. 1 is the axonometric drawing of embodiment；
Fig. 2 is the cross-sectional view of embodiment；
Fig. 3 is the explosive view of guide pile, upright bar, supporting beam and positioning plate one and positioning plate two；
Fig. 4 is the cross-sectional view of guide pile, upright bar, supporting beam and positioning plate one and positioning plate two；
Fig. 5 is the explosive view to highlight guide pile, upright bar, supporting beam and positioning plate one and positioning plate two and work.
In figure, 01, bottom of foundation ditch；02, foundation pit side-wall；1, guide pile；11, hangnail；12, run through slot；2, upright bar；21, it inserts
Access slot；22, locating slot；23, positioning pin；231, through-hole；24, circular hole；25, gap slot；251, sprue；26, T-type sliding slot one；27,
T-type sliding slot two；3, connector；31, connecting plate；32, screw rod；33, reinforcing rod；4, supporting beam；41, slot；42, support slot one；
43, support slot two；5, positioning plate one；6, positioning plate two；7, cavity.
Specific embodiment
A kind of foundation pit supporting construction, referring to Fig. 1 and Fig. 2, the more guide piles 1 including being plugged in bottom of foundation ditch 01, positioning
The top of stake 1 is plugged with the upright bar 2 being connected on foundation pit side-wall 02, is fixed on foundation pit side-wall 02 by upright bar 2 and foundation pit side-wall
02 fixed connector 3, two adjacent 2 bottoms of upright bar are removably connected with supporting beam 4, and two adjacent upright bars 2 interleave
It is connected to the two pieces of positioning plates 1 and positioning plate 26 for being connected to 4 top sides edge of supporting beam, positioning plate 1, positioning plate 26, upright bar 2
And cavity 7 is collectively formed between supporting beam 4, concrete mortar is poured in cavity 7 to form concrete guard wall.
Referring to Fig. 3 and Fig. 4, the bottom of guide pile 1 is in triangular pyramid type, convenient for determining the piling of guide pile 1 to the bottom of ground
The hangnail 11 that muti-piece is obliquely installed upwards is installed on the side wall of position stake 1, hangnail 11 tilts upwards, convenient for tapping guide pile 1
The bottom of ground is entered, it is closer that hangnail 11 can be such that guide pile 1 connect with ground, to make guide pile 1 and bottom of foundation ditch
01 connection is more stable.The bottom of upright bar 2 offers the inserting groove 2112 for 1 grafting of guide pile, and the bottom of upright bar 2 offers vertically
In inserting groove 2112 and the locating slot 22 that is connected to inserting groove 2112, the top of guide pile 1 offers one through slot 13, makes to stand
The bottom of bar 2 is sheathed on the top of guide pile 1, is plugged in inserting groove 2112 at the top of guide pile 1, at this point, 1 top of guide pile
It is connected to through slot 13 with locating slot 22, the positioning pin 23 that upright bar 2 and guide pile 1 is fixed is plugged in upright bar 2, makes positioning pin 23
Both ends extend upright bar 2, through-hole 231 is offered on positioning pin 23, is worn in through-hole 231 and has penetrated bolt, bolt pass through positioning
231 rear thread of through-hole on pin 23 is connected with nut, can be fixed by upright bar 2 and guide pile 1.
Referring to Fig. 3 and Fig. 5, connector 3 includes burying the connecting plate 31 stretched out in foundation pit side-wall 02, the middle part of connecting plate 31
It is installed with the screw rod 32 of extended spot foundation pit side-wall 02, the reinforcing rod 33 fixed with screw rod 32, reinforcing rod are installed on connecting plate 31
33, connecting plate 31 and screw rod 32 form triangle, have stability according to triangle, reinforcing rod 33 can make screw rod 32 more steady
It is fixed；Upright bar 2 offers the circular hole 24 passed through for screw rod 32 close to the side of foundation pit side-wall 02, offers on the side wall of upright bar 2 scarce
Mouthful slot 25, circular hole 24 with gap slot 25 is interior is connected to, sprue 251 is plugged in the gap slot 25 of upright bar 2, sprue 251 can prevent
When casting concrete, concrete blocks gap slot 25, dismantles upright bar 2 convenient for staff, meanwhile, it is convenient for during installation, work
Make personnel hand extend into gap slot 25 on screw rod 32 again to tighten nut, it can be fixed by upright bar 2 and foundation pit side-wall 02；Installation
It is first that upright bar 2 and guide pile 1 is fixed when upright bar 2 then by nut that the screw rod 32 in upright bar 2 and foundation pit side-wall 02 is fixed, from
And it can be to the dual fixation of upright bar 2.
Referring to Fig. 3 and Fig. 4, it is arranged since the positioning pin 23 of 2 bottom of upright bar extends upright bar 2, the both ends of positioning pin 23
Extend the two sides of upright bar 2, the both ends of supporting beam 4 offer slot 41, when installation, first fix the positioning pin in a upright bar 2
23, so that the bottom of another upright bar 2 is sheathed on the outside of positioning pin 23, then makes supporting beam 4 horizontally disposed, make supporting beam
The slot 41 of 4 other end is connected to the locating slot 22 of upright bar 2, and positioning pin 23 is then made to pass through the locating slot 22 of upright bar 2 and determine
Being plugged in the slot 41 of 4 end of supporting beam after slot 13 for position stake 1, can consolidate supporting beam 4, upright bar 2 and guide pile 1
It is fixed；Edge of the top of supporting beam 4 close to foundation pit side-wall 02 and the position far from 02 edge of foundation pit side-wall offer support slot
1 and support slot 2 43, the opposite side of two upright bars 2 respectively symmetrically offer vertically arranged T-type sliding slot 1 and T-type
In a vertical plane, T-type sliding slot 2 27 and support slot 2 43 exist for sliding slot 2 27, T-type sliding slot 1 and support slot 1
In one vertical plane, positioning plate 1 is plugged in T-type sliding slot 1 and is connected to the support slot 1 at 4 top of supporting beam
Interior, positioning plate 26 is plugged in T-type sliding slot 2 27 and is connected in the support slot 2 43 at 4 top of supporting beam, then to positioning plate
One 5, casting concrete mortar in the cavity 7 that positioning plate 26, upright bar 2 and crossbeam are formed.
When disassembly, positioning plate 26 is extracted out at the top of upright bar 2 first, then disassembles concrete, it later again will positioning
Plate 1 disassembles；After positioning plate 1 disassembles, then upright bar 2 is dismantled, first by the bolt and spiral shell on positioning pin 23
Mother removes, while the nut of screw rod 32 being removed, and can remove upright bar 2 from foundation pit side-wall 02；Finally again by guide pile 1 from
Bottom of foundation ditch 01 is taken out.
A kind of construction method of foundation pit supporting construction, includes the following steps:
S1, guide pile 1 is first installed on bottom of foundation ditch 01, connector 3 is installed on foundation pit side-wall 02: guide pile 1 is uniformly driven piles
In bottom of foundation ditch 01, connector 3 is uniformly fixed on to the position of the corresponding guide pile 1 of foundation pit side-wall 02.
It is S2, first that a upright bar 2 and guide pile 1 and connector 3 is fixed: the bottom of upright bar 2 being first sheathed on guide pile 1
Then top outer makes screw rod 32 pass through the circular hole 24 in upright bar 2, then by bolt that upright bar 2 and foundation pit side-wall 02 is fixed, then
It is by positioning pin 23 that upright bar 2 and guide pile 1 is fixed.
S3, installation supporting beam 4: it is plugged in the slot 41 of 4 one end of supporting beam in positioning pin 23, then by adjacent one
Upright bar 2 is sheathed on the top of guide pile 1, keeps supporting beam 4 horizontally disposed, then the locating slot 22 of upright bar 2 is passed through by positioning pin 23
And be plugged in the slot 41 of 4 end of supporting beam, then side of the upright bar 2 far from supporting beam 4 is located away in positioning pin 23
Bolt is passed through in through-hole 231, bolt passes through through-hole 231 and is threaded with nut, supporting beam 4 can be fixed on adjacent two
Between root upright bar 2.
S4, positioning plate 1 and positioning plate 26 are installed between two adjacent upright bars 2: positioning plate 1 is plugged in T-type
Is abutted in sliding slot 1 and with the support slot 1 at 4 top of supporting beam, positioning plate 26 be plugged in T-type sliding slot 2 27 it is interior and with branch
The support slot 2 43 for supportting 4 top of beam abuts.
S5, casting concrete barricade: in the cavity 7 constituted to positioning plate 1, positioning plate 26, upright bar 2 and supporting beam 4
Casting concrete is to form concrete guard wall.
S6, supporting construction is dismantled: when disassembly, is first extracted positioning plate 26 at the top of upright bar 2 out, then by coagulation
Soil disassembles, and later again disassembles positioning plate 1；After positioning plate 1 disassembles, then upright bar 2 is dismantled, first
Screw bolt and nut on positioning pin 23 is removed, while the nut of screw rod 32 being removed, it can be by upright bar 2 from foundation pit side-wall 02
It removes；Finally guide pile 1 is taken out from bottom of foundation ditch 01 again.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of foundation pit supporting construction, it is characterised in that: the more guide piles (1) including being plugged in bottom of foundation ditch (01), positioning
The top side detachable of stake (1) is connected with the upright bar (2) being connected on foundation pit side-wall (02), and being fixed on foundation pit side-wall (02) will be vertical
The connector (3) that bar (2) and foundation pit side-wall (02) are fixed, two adjacent upright bar (2) bottoms are removably connected with supporting beam
(4), two pieces of positioning plates one (5) for being connected to supporting beam (4) top sides edge and positioning are plugged between two adjacent upright bars (2)
Cavity (7), cavity is collectively formed between positioning plate one (5), positioning plate two (6), upright bar (2) and supporting beam (4) in plate two (6)
(7) for casting concrete mortar to form concrete guard wall.
2. a kind of foundation pit supporting construction according to claim 1, it is characterised in that: the bottom of the guide pile (1) is in three
Pyramid type is installed with the hangnail (11) that muti-piece is obliquely installed upwards on the side wall of guide pile (1), and inclination is set hangnail (11) upwards
It sets.
3. a kind of foundation pit supporting construction according to claim 1, it is characterised in that: the connector (3) include bury in
The connecting plate (31) that foundation pit side-wall (02) stretches out is installed with the screw rod of extended spot foundation pit side-wall (02) in the middle part of connecting plate (31)
(32), be installed with the reinforcing rod (33) fixed with screw rod (32) on connecting plate (31), upright bar (2) close to foundation pit side-wall (02) one
Side offers the circular hole (24) passed through for screw rod (32), offers gap slot (25) on the side wall of upright bar (2).
4. a kind of foundation pit supporting construction according to claim 3, it is characterised in that: the gap slot (25) of the upright bar (2)
Inside it is plugged with sprue (251).
5. a kind of foundation pit supporting construction according to claim 1, it is characterised in that: the bottom of the upright bar (2) offers
For the inserting groove (21) of guide pile (1) grafting, the bottom of upright bar (2) offer perpendicular to inserting groove (21) and with inserting groove (21)
The locating slot (22) of connection offers one at the top of guide pile (1) and is plugged on slot (12), upright bar (2) by upright bar (2)
The fixed positioning pin (23) with guide pile (1) offers through-hole (231) on positioning pin (23), wears in through-hole (231) and penetrated spiral shell
Bolt, through-hole (231) rear thread that bolt passes through on positioning pin (23) are connected with nut, can be solid by upright bar (2) and guide pile (1)
It is fixed.
6. a kind of foundation pit supporting construction according to claim 5, it is characterised in that: the positioning pin of upright bar (2) bottom
(23) extend upright bar (2) setting, the both ends of supporting beam (4) offer the slot (41) for positioning pin (23) grafting.
7. a kind of foundation pit supporting construction according to claim 6, it is characterised in that: the top of the supporting beam (4) is close
The position at the edge of foundation pit side-wall (02) and separate foundation pit side-wall (02) edge offers support slot one (42) and support slot two
(43), two opposite sides of upright bar (2) respectively symmetrically offer vertically arranged T-type sliding slot one (26) and T-type sliding slot two
(27), positioning plate one (5) is plugged in the T-type sliding slot one (26) of two adjacent upright bars (2), and positioning plate two (6) is plugged in phase
In the T-type sliding slot two (27) of two adjacent upright bars (2).
8. a kind of construction method of foundation pit supporting construction, includes the following steps:
S1, first guide pile (1) is installed on bottom of foundation ditch (01), connector (3) is installed on foundation pit side-wall (02): by guide pile
(1) uniformly connector (3) is uniformly fixed on the position of foundation pit side-wall (02) corresponding guide pile (1) in bottom of foundation ditch (01) by piling
It sets；
It is S2, first that a upright bar (2) and guide pile (1) and connector (3) is fixed: by upright bar (2) and connector (3) fixation, i.e.,
Can be fixed by upright bar (2) and foundation pit side-wall (02), upright bar (2) and guide pile (1) is fixed, make the stage and foundation pit of upright bar (2)
Bottom (01) connection is more stable；
S3, installation supporting beam (4): supporting beam (4) is installed between two adjacent upright bars (2)；
S4, positioning plate one (5) and positioning plate two (6) are installed between two adjacent upright bars (2): by positioning plate one (5) grafting
It is abutted in T-type sliding slot one (26) and with the support slot one (42) at the top of supporting beam (4), positioning plate two (6) is plugged in T-type sliding slot
It is abutted in two (27) and with the support slot two (43) at the top of supporting beam (4), makes positioning plate one (5), positioning plate two (6), upright bar (2)
And supporting beam (4) forms cavity (7)；
S5, casting concrete barricade: the sky constituted to positioning plate one (5), positioning plate two (6), upright bar (2) and supporting beam (4)
Chamber (7) interior casting concrete is to form concrete guard wall；
S6, supporting construction is dismantled: after completion, by concrete guard wall, upright bar (2), supporting beam (4) and guide pile (1)
It is disassembled out of foundation pit.
9. a kind of foundation pit supporting construction according to claim 8 and its construction method, it is characterised in that: in S2, first will
The bottom of upright bar (2) is sheathed on the top outer of guide pile (1), and screw rod (32) is then made to pass through the circular hole (24) on upright bar (2),
It is by bolt that upright bar (2) and foundation pit side-wall (02) are fixed again then by positioning pin (23) that upright bar (2) and guide pile (1) is solid
It is fixed.
10. a kind of foundation pit supporting construction according to claim 8 and its construction method, it is characterised in that: in S3, first make
The slot (41) of supporting beam (4) one end is plugged in positioning pin (23), then an adjacent upright bar (2) is sheathed on guide pile
(1) top, then pass through the locating slot (22) of upright bar (2) by positioning pin (23) and be plugged in the slot of supporting beam (4) end
(41), then by screw bolt and nut that positioning pin (23) and upright bar (2) are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910657692.XA CN110374110A (en) | 2019-07-20 | 2019-07-20 | A kind of foundation pit supporting construction and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Cited By (5)
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| CN111827304A (en) * | 2020-07-31 | 2020-10-27 | 周玉龙 | Integral sinking construction method and construction device for basement |
| CN112267474A (en) * | 2020-11-06 | 2021-01-26 | 东莞市建安桩基础工程有限公司 | Foundation pit supporting structure and construction method thereof |
| CN112878336A (en) * | 2021-03-24 | 2021-06-01 | 凡天建筑科技有限公司 | Foundation pit supporting device and foundation pit supporting method |
| CN113638423A (en) * | 2021-09-13 | 2021-11-12 | 上海法玛强建设工程有限公司 | Elevator foundation pit structure and construction process thereof |
| CN113846670A (en) * | 2021-10-30 | 2021-12-28 | 泸州富泰建筑安装有限公司 | Retaining wall structure and construction method thereof |
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| CN111827304A (en) * | 2020-07-31 | 2020-10-27 | 周玉龙 | Integral sinking construction method and construction device for basement |
| CN112267474A (en) * | 2020-11-06 | 2021-01-26 | 东莞市建安桩基础工程有限公司 | Foundation pit supporting structure and construction method thereof |
| CN112878336A (en) * | 2021-03-24 | 2021-06-01 | 凡天建筑科技有限公司 | Foundation pit supporting device and foundation pit supporting method |
| CN112878336B (en) * | 2021-03-24 | 2022-04-12 | 凡天建筑科技有限公司 | Foundation pit supporting device and foundation pit supporting method |
| CN113638423A (en) * | 2021-09-13 | 2021-11-12 | 上海法玛强建设工程有限公司 | Elevator foundation pit structure and construction process thereof |
| CN113846670A (en) * | 2021-10-30 | 2021-12-28 | 泸州富泰建筑安装有限公司 | Retaining wall structure and construction method thereof |
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Application publication date: 20191025 |