CN111424680A - Foundation pit supporting structure based on multiple miniature piles and construction method thereof - Google Patents
Foundation pit supporting structure based on multiple miniature piles and construction method thereof Download PDFInfo
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- CN111424680A CN111424680A CN202010318596.5A CN202010318596A CN111424680A CN 111424680 A CN111424680 A CN 111424680A CN 202010318596 A CN202010318596 A CN 202010318596A CN 111424680 A CN111424680 A CN 111424680A
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- 238000010276 construction Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 239000002689 soil Substances 0.000 claims abstract description 11
- 238000005286 illumination Methods 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
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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
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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
- E02D19/10—Restraining of underground water by lowering level of ground water
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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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
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- Engineering & Computer Science (AREA)
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- Mining & Mineral Resources (AREA)
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Abstract
The invention discloses a foundation pit supporting structure based on multiple miniature piles, which comprises an edge-facing protection mechanism, a pit wall supporting mechanism and a drainage mechanism, wherein the edge-facing protection mechanism comprises a base, a supporting column is fixedly connected to the upper surface of the base, an electric cabinet is fixedly connected to the front surface of the base, the pit wall supporting mechanism comprises a crown beam, and the lower surface of the crown beam is fixedly connected with a miniature pile; the invention also provides a foundation pit supporting structure construction method based on the multiple miniature piles, which comprises the following steps; s1, fixing the protective net by using the supporting column, and providing illumination for people at night by using the electric cabinet and the bulb. This underground structure based on many miniature piles through setting up electric cabinet, bulb, can provide the illumination night, through setting up the lamp box, can protect the bulb, through setting up the baffle, can prevent soil and water landslide, through setting up miniature pile, partial pressure diaphragm and partial pressure riser to reach this underground structure based on many miniature piles effect safe more, stable.
Description
Technical Field
The invention relates to the technical field of foundation pit supporting, in particular to a foundation pit supporting structure based on multiple miniature piles and a construction method thereof.
Background
The foundation pit support is a retaining, reinforcing and protecting measure adopted for the side wall and the surrounding environment of the foundation pit in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit, and common support forms comprise row pile support, continuous wall support, cement retaining walls, soil nailing walls, original soil-shaped slope placing and the like.
The miniature pile is a cast-in-place pile with the diameter less than four meters and the length-to-thickness ratio more than thirty, and adopts the drilling, reinforcing bar reinforcement and pressure grouting construction process, so that the conventional miniature pile foundation pit support is generally low in stability and has potential safety hazards.
Disclosure of Invention
The invention aims to provide a foundation pit supporting structure based on multiple micro piles and a construction method thereof, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a foundation pit supporting structure based on multiple micro piles and a construction method thereof comprise an edge protection mechanism, a pit wall supporting mechanism and a drainage mechanism, wherein the edge protection mechanism comprises a base, a supporting column is fixedly connected to the upper surface of the base, and an electric cabinet is fixedly connected to the front of the base.
The pit wall supporting mechanism comprises a crown beam, a miniature pile is fixedly connected to the lower surface of the crown beam, a pull rod and a baffle plate used for retaining soil are fixedly connected to the back of the miniature pile respectively, an anchor pile is fixedly connected to one end, far away from the miniature pile, of the pull rod, and a circular plate is fixedly connected to the surface of the anchor pile.
The drainage mechanism comprises a water pool, a cover plate is connected to the top wall of the water pool in a rotating mode, a drainage main pipe is fixedly connected to the left side of the water pool, a water pump box and a vertical filter screen are fixedly connected to the inner bottom wall of the water pool respectively, a horizontal filter screen is fixedly connected to the top end of the vertical filter screen, a damping plate is fixedly connected to the inner bottom wall of the water pump box, and a water pump is fixedly connected to the upper surface of the damping plate.
Preferably, the top fixedly connected with lamp box of support column, the interior diapire fixedly connected with lamp stand of lamp box, and lamp stand internal thread connection have the bulb, the quantity of support column is a plurality of, a plurality of fixedly connected with protection network between the side of support column, the height of protection network is two meters.
Preferably, the front of electric cabinet has seted up the closing door, the observation window has been seted up in the front of closing door, and the inner wall fixedly connected with observation glass of observation window, the front of closing door is provided with lock and button, the inside of electric cabinet is provided with power and control switch respectively, bulb and power coupling.
Preferably, the bottom of the micropile is conical, the top end of the micropile extends to the inside of the crown beam, a threaded hole is formed in the front face of the crown beam, a bolt is connected to the internal thread of the threaded hole, the bolt penetrates through the micropile and extends to the back face of the crown beam, and a threaded cap is connected to the surface thread of the bolt.
Preferably, the quantity of micropile is a plurality of, a plurality of micropile is the lower surface that the one row multiseriate evenly set up at the hat roof beam, and the partial pressure diaphragm that is fixed connection between the side of a plurality of micropile, the equal fixedly connected with partial pressure riser of upper surface and lower surface of partial pressure diaphragm.
Preferably, the surface of pull rod is the heliciform, and the material of pull rod is the steel, the one end that anchor pile was kept away from to the pull rod extends to the front of miniature stake, the surface cover of pull rod is equipped with the pedestal, the material of pedestal is the steel, the surface threaded connection of pull rod has the screw cap, the height of baffle is higher than the horizon.
Preferably, the bottom of anchor pile is the toper, the material of anchor pile is iron, the lower surface of circular slab rotates and is connected with and is used for the stable supplementary stake of supplementary anchor pile, the material of supplementary stake is iron, and the bottom of supplementary stake is the toper, the quantity of supplementary stake is a plurality of, a plurality of supplementary stake is the circular even lower surface that sets up at the circular slab, the length of supplementary stake is fifty centimetres.
Preferably, the material of apron is timber, a plurality of hole that is used for ventilating is seted up to the upper surface of apron, the last fixed surface of apron is connected with the handle, the fixed ear of side fixedly connected with of apron, and the front of fixed ear has seted up the jack, the side fixedly connected with fixed block in pond, and the side of fixed block rotate be connected with the cramp of fixed ear looks adaptation.
Preferably, the drainage main pipe is communicated with an external underground water drainage branch pipe, a water inlet end of the water pump is fixedly connected with a water inlet pipe, a water outlet end of the water pump is fixedly connected with a water outlet pipe, the distance between the bottom end of the water inlet pipe and the inner bottom wall of the water pool is five centimeters, the right end of the water outlet pipe extends to the right side of the water pool, and the right end of the water outlet pipe is communicated with an external drainage pipeline.
The invention also provides a foundation pit supporting structure construction method based on the multiple miniature piles, which comprises the following steps;
s1, fixing a protective net by using a support column, and providing illumination for people at night by using an electric cabinet and a bulb;
s2, preventing soil and water from sliding on a slope by using the baffle, and increasing the pressure resistance of the structure by using the micro-piles, the pressure-dividing transverse plates and the pressure-dividing vertical plates;
s3, the anchor piles, the auxiliary piles and the pull rods are used for enabling the whole structure to be more stable;
s4, arranging a drainage main pipe in the foundation pit to collect water flow of each drainage branch pipe, enabling the water flow to be injected into a water pool, collecting and storing the water flow by using the water pool, and filtering the water flow in the water pool by using a horizontal filter screen and a vertical filter screen;
and S5, discharging clean water by using a water pump.
Advantageous effects
The invention provides a foundation pit supporting structure based on multiple miniature piles and a construction method thereof, and the foundation pit supporting structure has the following beneficial effects:
1. this underground structure based on many miniature piles, through setting up the support column, can fix the protection network, through setting up the protection network, can reduce the potential safety hazard, through setting up the electric cabinet, the bulb, can provide the illumination at night, through setting up the lamp box, can protect the bulb, through setting up the baffle, can prevent soil landslide, through setting up miniature pile, partial pressure diaphragm and partial pressure riser, can increase the compressive capacity of structure, through setting up the anchor pile, supplementary stake and pull rod, the compressive capacity of increase structure that can be further, make the structure more stable, thereby it is safer to reach this underground structure based on many miniature piles, stable effect.
2. This foundation ditch supporting structure based on many miniature piles through setting up the drainage main, can collect the rivers of each drainage branch pipe, through setting up the pond, can temporarily store the groundwater that flows, through setting up horizontal filter net and perpendicular filter screen, can filter debris such as mud in the rivers, through setting up the water pump, can discharge the rivers after filtering to make this foundation ditch supporting structure based on many miniature piles have pollution-free advantage.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic side sectional view of the present invention;
FIG. 4 is a schematic view of a front cross-sectional view of the pool of the present invention.
In the figure: 1 base, 2 support columns, 3 crown beams, 4 micro piles, 5 pull rods, 6 baffles, 7 anchor piles, 8 round plates, 9 pools, 10 cover plates, 11 drainage trunk pipes, 12 water pump boxes, 13 vertical filter screens, 14 horizontal filter screens, 15 shock absorption plates, 16 water pumps, 17 lamp boxes, 18 bulbs, 19 protective nets, 20 electric cabinets, 21 closed doors, 22 observation glass, 23 bolts, 24 partial pressure transverse plates, 25 partial pressure vertical plates, 26 pedestals, 27 auxiliary piles, 28 holes, 29 handles, 30 water inlet pipes and 31 water outlet pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a foundation pit supporting structure based on multiple micro piles and a construction method thereof comprise an edge facing protection mechanism, a pit wall supporting mechanism and a drainage mechanism, wherein the edge facing protection mechanism comprises a base 1, support columns 2 are fixedly connected to the upper surface of the base 1, lamp boxes 17 are fixedly connected to the top ends of the support columns 2, lamp holders are fixedly connected to the inner bottom walls of the lamp boxes 17, bulbs 18 are connected to the lamp holders in a threaded manner, the number of the support columns 2 is multiple, protective nets 19 are fixedly connected between the side surfaces of the support columns 2, the height of each protective net 19 is two meters, the protective nets 19 can be fixed by arranging the support columns 2, potential safety hazards can be reduced by arranging the protective nets 19, illumination can be provided at night by arranging the electric control boxes 20 and the bulbs 18, the bulbs 18 can be protected by arranging the lamp boxes 17, the electric control box 20 is fixedly connected to the front surface of the base 1, and the closed doors 21, the front of the closing door 21 is provided with an observation window, the inner wall of the observation window is fixedly connected with observation glass 22, the front of the closing door 21 is provided with a door lock and a button, the inside of the electric cabinet 20 is respectively provided with a power supply and a control switch, and the bulb 18 is coupled with the power supply.
The pit wall supporting mechanism comprises a crown beam 3, wherein micro piles 4 are fixedly connected to the lower surface of the crown beam 3, the bottoms of the micro piles 4 are conical, the top ends of the micro piles 4 extend into the crown beam 3, threaded holes are formed in the front surface of the crown beam 3, bolts 23 are connected with the internal threads of the threaded holes, the bolts 23 penetrate through the micro piles 4 and extend to the back surface of the crown beam 3, threaded caps are connected with the surface threads of the bolts 23, the micro piles 4 are arranged in a plurality of rows and columns and are uniformly arranged on the lower surface of the crown beam 3, partial pressure transverse plates 24 are fixedly connected between the side surfaces of the micro piles 4, vertical plates 25 are fixedly connected to the upper surface and the lower surface of the partial pressure transverse plates 24, the pressure resistance of the structure can be increased by arranging the micro piles 4, the partial pressure transverse plates 24 and the partial pressure vertical plates 25, pull rods 5 and baffle plates 6 for retaining soil are fixedly connected to the back surface of the, by arranging the baffle 6, water and soil landslide can be prevented.
The end of the pull rod 5, which is far away from the micro pile 4, is fixedly connected with an anchor pile 7, the surface of the pull rod 5 is in a spiral shape, the material of the pull rod 5 is steel, the end of the pull rod 5, which is far away from the anchor pile 7, extends to the front surface of the micro pile 4, the surface of the pull rod 5 is sleeved with a pedestal 26, the material of the pedestal 26 is steel, the surface of the pull rod 5 is in threaded connection with a threaded cap, the height of the baffle 6 is higher than the horizon, the surface of the anchor pile 7 is fixedly connected with a circular plate 8, the bottom of the anchor pile 7 is in a conical shape, the anchor pile 7 is made of iron, the lower surface of the circular plate 8 is rotatably connected with an auxiliary pile 27 for stabilizing the auxiliary anchor pile 7, the auxiliary pile 27 is made of iron, the bottom of the auxiliary pile 27 is in a conical shape, the auxiliary piles 27 are uniformly arranged on the lower surface of the circular plate 8 in a round shape, the length of the auxiliary pile 27 is, the compressive capacity of increase structure that can be further makes the structure more stable to reach this foundation ditch supporting construction based on many micropiles effect safe, stable more.
The drainage mechanism comprises a water pool 9, through arranging the water pool 9, flowing underground water can be temporarily stored, the top wall of the water pool 9 is rotatably connected with a cover plate 10, the cover plate 10 is made of wood, the upper surface of the cover plate 10 is provided with a plurality of holes 28 for ventilation, the upper surface of the cover plate 10 is fixedly connected with a handle 29, the side surface of the cover plate 10 is fixedly connected with a fixing lug, the front surface of the fixing lug is provided with a jack, the side surface of the water pool 9 is fixedly connected with a fixing block, the side surface of the fixing block is rotatably connected with a buckle sheet matched with the fixing lug, the left side of the water pool 9 is fixedly connected with a drainage main pipe 11, through arranging the drainage main pipe 11, water flow of each drainage branch pipe can be collected, the inner bottom wall of the water pool 9 is respectively and fixedly connected with a water pump box 12 and a vertical filter screen 13, debris such as mud in can filtering rivers, inner bottom wall fixedly connected with damper plate 15 of water pump case 12, damper plate 15's last fixed surface is connected with water pump 16, drainage main 11 is linked together with external groundwater drainage branch pipe, water pump 16's the end fixedly connected with inlet tube 30 that intakes, water pump 16's play water end fixedly connected with outlet pipe 31, the distance between the bottom of inlet tube 30 and the inner bottom wall in pond 9 is five centimetres, the right-hand member of outlet pipe 31 extends to the right side in pond 9, and the right-hand member of outlet pipe 31 is linked together with external drainage pipe, through setting up water pump 16, can discharge the rivers after filtering, thereby make this foundation ditch supporting structure based on many micropiles have pollution-free advantage.
The invention also provides a foundation pit supporting structure construction method based on the multiple miniature piles, which is characterized by comprising the following steps: comprises the following steps;
s1, fixing the protective net 19 by using the support column 2, and providing illumination for people at night by using the electric control box 20 and the bulb 18;
s2, preventing soil and water from sliding on a slope by using the baffle 6, and increasing the pressure resistance of the structure by using the micro piles 4, the pressure-dividing transverse plates 24 and the pressure-dividing vertical plates 25;
s3, the anchor piles 7, the auxiliary piles 27 and the pull rods 5 are utilized to enable the whole structure to be more stable;
s4, arranging a drainage main pipe 11 in the foundation pit to collect water flow of each drainage branch pipe, enabling the water flow to be injected into a water pool 9, collecting and storing the water flow by using the water pool 9, and filtering the water flow in the water pool by using a horizontal filter screen 14 and a vertical filter screen 13;
s5, discharging the clean water by the water pump 16.
The working principle is as follows: when the foundation ditch supporting structure based on many miniature piles uses, utilize the fixed protection network 19 of support column 2, utilize electronic control box 20 and bulb 18 to provide the illumination for the personnel at night, the potential safety hazard has significantly reduced, utilize baffle 6 to prevent soil and water landslide, utilize miniature pile 4, partial pressure diaphragm 24 and partial pressure riser 25 increase the compressive capacity of structure, utilize anchor pile 7 simultaneously, supplementary pile 27 and pull rod 5 make the stability that overall structure is more, set up the rivers that each drainage branch pipe was collected to drainage main 11 in the inside of foundation ditch, make rivers pour into pond 9 into, utilize pond 9 to collect and store rivers, utilize horizontal filter screen 14 and vertical filter screen 13 to filter rivers in the pond, utilize water pump 16 to discharge clean water simultaneously, can not cause the pollution, thereby it is safer to reach this foundation ditch supporting structure based on many miniature piles, stable effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a foundation ditch supporting construction based on many miniature piles, includes and faces limit protection mechanism, pitwall supporting mechanism and drainage mechanism, its characterized in that: the edge protection mechanism comprises a base (1), a support column (2) is fixedly connected to the upper surface of the base (1), and an electric cabinet (20) is fixedly connected to the front side of the base (1);
the pit wall supporting mechanism comprises a crown beam (3), a micro pile (4) is fixedly connected to the lower surface of the crown beam (3), a pull rod (5) and a baffle (6) for retaining soil are fixedly connected to the back of the micro pile (4) respectively, an anchor pile (7) is fixedly connected to one end, far away from the micro pile (4), of the pull rod (5), and a circular plate (8) is fixedly connected to the surface of the anchor pile (7);
the drainage mechanism comprises a water pool (9), a cover plate (10) is rotatably connected to the top wall of the water pool (9), a drainage main pipe (11) is fixedly connected to the left side of the water pool (9), a water pump box (12) and a vertical filter screen (13) are respectively and fixedly connected to the inner bottom wall of the water pool (9), a horizontal filter screen (14) is fixedly connected to the top end of the vertical filter screen (13), a damping plate (15) is fixedly connected to the inner bottom wall of the water pump box (12), and a water pump (16) is fixedly connected to the upper surface of the damping plate (15);
the lamp box (17) is fixedly connected to the top ends of the supporting columns (2), the lamp holder is fixedly connected to the inner bottom wall of the lamp box (17), bulbs (18) are connected to the lamp holder in a threaded mode, the supporting columns (2) are multiple in number, a protective net (19) is fixedly connected between the side faces of the supporting columns (2), and the height of the protective net (19) is two meters;
the utility model discloses a lamp, including electric cabinet (20), observation window, inner wall fixedly connected with observation glass (22), the front of electric cabinet (20) has been seted up closed door (21), the observation window has been seted up in the front of closed door (21), the front of observation window is provided with lock and button, the inside of electric cabinet (20) is provided with power and control switch respectively, bulb (18) and power coupling.
2. The multi-micropile-based foundation pit supporting structure according to claim 1, wherein: the bottom of miniature stake (4) is the toper, the top of miniature stake (4) extends to the inside of guan liang (3), the screw hole has been seted up in the front of guanliang (3), and the internal thread of screw hole is connected with bolt (23), bolt (23) run through miniature stake (4) and extend to the back of guanliang (3), the surperficial threaded connection of bolt (23) has the screw cap.
3. The multi-micropile-based foundation pit supporting structure according to claim 2, wherein: the quantity of miniature stake (4) is a plurality of, a plurality of miniature stake (4) are the even lower surface that sets up at hat roof beam (3) of one row multiseriate, and some partial pressure diaphragm (24) of fixed connection between the side of a plurality of miniature stake (4), the upper surface and the equal fixedly connected with partial pressure riser (25) of lower surface of partial pressure diaphragm (24).
4. A multi-micropile-based foundation pit supporting structure according to claim 3, wherein: the surface of pull rod (5) is the heliciform, and the material of pull rod (5) is the steel, the one end that anchor pile (7) were kept away from in pull rod (5) extends to the front of miniature stake (4), the surface cover of pull rod (5) is equipped with pedestal (26), the material of pedestal (26) is the steel, the surface threaded connection of pull rod (5) has the screw cap, the height of baffle (6) is higher than the horizon.
5. The foundation pit supporting structure based on multiple micro-piles and the construction method thereof according to any one of claims 1 to 4, wherein: the bottom of anchor stake (7) is the toper, the material of anchor stake (7) is iron, the lower surface of circular slab (8) is rotated and is connected with and is used for supplementary anchor stake (7) stable supplementary stake (27), the material of supplementary stake (27) is iron, and the bottom of supplementary stake (27) is the toper, the quantity of supplementary stake (27) is a plurality of, a plurality of supplementary stake (27) are the circular even lower surface that sets up at circular slab (8), the length of supplementary stake (27) is fifty centimetres.
6. The multi-micropile-based foundation pit supporting structure according to claim 5, wherein: the material of apron (10) is timber, a plurality of hole (28) that are used for ventilating are seted up to the upper surface of apron (10), the last fixed surface of apron (10) is connected with handle (29), the fixed ear of side fixedly connected with of apron (10), and the front of fixed ear has seted up the jack, the side fixedly connected with fixed block in pond (9), and the side of fixed block rotate be connected with the cramp of fixed ear looks adaptation.
7. The multi-micropile-based foundation pit supporting structure according to claim 5, wherein: the drainage main pipe (11) is communicated with an external underground water drainage branch pipe, a water inlet end of the water pump (16) is fixedly connected with a water inlet pipe (30), a water outlet end of the water pump (16) is fixedly connected with a water outlet pipe (31), the distance between the bottom end of the water inlet pipe (30) and the inner bottom wall of the water pool (9) is five centimeters, the right end of the water outlet pipe (31) extends to the right side of the water pool (9), and the right end of the water outlet pipe (31) is communicated with an external drainage pipeline.
8. A foundation pit supporting structure construction method based on multiple miniature piles is characterized in that: comprises the following steps;
s1, fixing the protective net (19) by using the supporting column (2), and providing illumination for people at night by using the electric control box (20) and the bulb (18);
s2, preventing water and soil landslide by using the baffle (6), and increasing the pressure resistance of the structure by using the micro pile (4), the pressure division transverse plate (24) and the pressure division vertical plate (25);
s3, the anchor piles (7), the auxiliary piles (27) and the pull rods (5) are utilized to enable the whole structure to be more stable;
s4, arranging a drainage main pipe (11) in the foundation pit to collect water flow of each drainage branch pipe, injecting the water flow into a water pool (9), collecting and storing the water flow by using the water pool (9), and filtering the water flow in the water pool by using a horizontal filter screen (14) and a vertical filter screen (13);
and S5, discharging clean water by using a water pump (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010318596.5A CN111424680B (en) | 2020-04-21 | 2020-04-21 | Foundation pit supporting structure based on multiple miniature piles and construction method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2013992A1 (en) * | 1969-05-05 | 1970-12-17 | Held & Francke Bauaktiengesellschaft, 8000 München | Method for the construction of an excavation using a framework with piles |
| CN106013172A (en) * | 2016-07-01 | 2016-10-12 | 杭州江润科技有限公司 | Double row pile and diagonal brace combined soft soil deep foundation pit supporting structure and construction method |
| CN108035360A (en) * | 2017-12-15 | 2018-05-15 | 安徽省城建设计研究总院股份有限公司 | A kind of method for pattern foundation pit supporting structure |
| CN209323533U (en) * | 2018-12-10 | 2019-08-30 | 中建一局集团建设发展有限公司 | It is a kind of it is upper just under soft system of deep foundation pit support |
| CN209323535U (en) * | 2018-12-20 | 2019-08-30 | 中交第四航务工程局有限公司 | A kind of foundation pit supporting construction |
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2020
- 2020-04-21 CN CN202010318596.5A patent/CN111424680B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2013992A1 (en) * | 1969-05-05 | 1970-12-17 | Held & Francke Bauaktiengesellschaft, 8000 München | Method for the construction of an excavation using a framework with piles |
| CN106013172A (en) * | 2016-07-01 | 2016-10-12 | 杭州江润科技有限公司 | Double row pile and diagonal brace combined soft soil deep foundation pit supporting structure and construction method |
| CN108035360A (en) * | 2017-12-15 | 2018-05-15 | 安徽省城建设计研究总院股份有限公司 | A kind of method for pattern foundation pit supporting structure |
| CN209323533U (en) * | 2018-12-10 | 2019-08-30 | 中建一局集团建设发展有限公司 | It is a kind of it is upper just under soft system of deep foundation pit support |
| CN209323535U (en) * | 2018-12-20 | 2019-08-30 | 中交第四航务工程局有限公司 | A kind of foundation pit supporting construction |
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