CN107268585A - Ball-anchor pole-upper plate basis and its construction method - Google Patents

Ball-anchor pole-upper plate basis and its construction method Download PDF

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Publication number
CN107268585A
CN107268585A CN201610215857.4A CN201610215857A CN107268585A CN 107268585 A CN107268585 A CN 107268585A CN 201610215857 A CN201610215857 A CN 201610215857A CN 107268585 A CN107268585 A CN 107268585A
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CN
China
Prior art keywords
upper plate
bolthole
anchor pole
hole
soil
Prior art date
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Withdrawn
Application number
CN201610215857.4A
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Chinese (zh)
Inventor
言志信
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Henan University of Urban Construction
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Henan University of Urban Construction
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Application filed by Henan University of Urban Construction filed Critical Henan University of Urban Construction
Priority to CN201610215857.4A priority Critical patent/CN107268585A/en
Publication of CN107268585A publication Critical patent/CN107268585A/en
Withdrawn legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/10Deep foundations
    • E02D27/12Pile foundations
    • E02D27/14Pile framings, i.e. piles assembled to form the substructure
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/50Anchored foundations
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12Consolidating by placing solidifying or pore-filling substances in the soil
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74Means for anchoring structural elements or bulkheads

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The present invention relates to bulb anchor pole upper plate basis, it includes in an embedded soil base and the upper surface upper plate concordant with ground, one or more anchor pole and the backing plate and anchor slab matched with anchor pole.Upper plate is polygon, and its center is provided with a bolthole I;Backing plate center is provided with a bolthole III;Anchor pole includes the body of rod, sleeve and several poles;The bottom of the body of rod is fixed with the circular transverse slat of a steel, the sleeve that set is even slided up and down along the body of rod thereon;One end of several poles is articulated with all around stems, and its other end is overlapped on the periphery of circular transverse slat;On sleeve along and be disposed with the waterproof explosive equipped with detonator around the body of rod;The bottom of anchor pole and several poles are anchored, and its top is each passed through the bolthole I of upper plate correspondence position, and is connected together through the bolthole III of backing plate with anchor slab.The invention also discloses the basic construction method.The present invention is simple in construction, radical change construction and base form, has saved investment, reduces spoir.

Description

Ball-anchor pole-upper plate basis and its construction method
Technical field
The present invention relates to native foundation stabilization and base form, more particularly to ball-anchor pole-upper plate basis and its construction method.
Background technology
At present, the overwhelming majority basis for resistance to compression basis, i.e., basis be primarily subjected to superstructure application vertical load and completely Foot deformation and stability requirement, are typically include isolated footing, strip footing, raft foundation etc..And anti_floating foundation mainly has greatly Excavation foundation, draw digging spread foundation, explosive expansion pile foundation etc.;Either heavy excavation foundation class, still draws digging spread foundation class, explosive expansion The construction of pile foundation class has larger difficulty, and exists that quantities is big, time-consuming, cost is high, causes larger to environment Destruction, but the problems such as the drag that can be provided is limited, consolidation effect is not ideal enough, above mentioned problem is more dashed forward under the conditions of soil base Go out, and the large deformation of soil base and the stability on basis turn into the key issue that must be solved.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of reduce and soil base are disturbed, and it is strong to improve resistance to compression, resistance to plucking Degree, and optimize loading transfer mechanism, while reducing ball-anchor pole-upper plate basis of native foundation deformation.
Another technical problem to be solved by this invention is to provide the construction method on the ball-anchor pole-upper plate basis.
To solve the above problems, ball-anchor pole of the present invention-upper plate basis, it is characterised in that:It includes an insertion In the soil base and upper surface upper plate concordant with ground, one or more anchor pole and the backing plate and anchor matched with the anchor pole Plate;The upper plate is polygon, and its center is provided with a bolthole I;The backing plate center is provided with a bolthole III;The anchor Bar includes the body of rod, sleeve and several poles;The bottom of the body of rod is fixed with the circular transverse slat of a steel, and set is even along the bar thereon The sleeve that body is slided up and down;One end of several poles is articulated with all around stems, and its other end is overlapped on The periphery of the circular transverse slat;On the sleeve along and be disposed with the waterproof explosive equipped with detonator around the body of rod; The bottom of the anchor pole and several poles are anchored, and its top is each passed through the anchor pole of the upper plate correspondence position Hole I, and connected together through the bolthole III of the backing plate with the anchor slab.
The soil base is mud, muck soil, cohesive soil, silt, loess, sand, artificial earth fill and foundation of gravelly soil In one or more.
The upper plate is provided with fixture.
An injected hole is provided with the backing plate.
Each angle of the upper plate is equipped with a bolthole II;And the top of the anchor pole is each passed through the upper plate pair The bolthole II of position is answered, and is connected together through the bolthole III of the backing plate with the anchor slab.
The center of the upper plate is provided with a bolthole I, and each angle is provided with a bolthole II;The top of the anchor pole The bolthole I and the bolthole II of the upper plate correspondence position are each passed through, and passes through the anchor pole of the backing plate Hole III is connected together with the anchor slab.
2 ~ 5 times of a diameter of sleeve outer diameter of the circular transverse slat, and the anchor rod body under the circular transverse slat Length is suitable with the radius of bottom hole cavity.
The strut lengths are less than the radius of bottom hole cavity.
The construction method on ball-anchor pole as described above-upper plate basis, comprises the following steps:
(1) flat base, i.e., flatten select location;
(2) correspond to the center bolthole I of upper plate and the bolthole II at each angle is punched in soil base, and center hole depth, and it is each The hole at angle is shallow;
By the Grouting Pipe with nozzle as the step (2) obtained by hole be placed in and handle the desired depth of the soil base, so The soil base is punched with cement mortar afterwards, while rotating and lifting formation soil cement cylinder after the Grouting Pipe, consolidation;
(4), using the soil cement cylinder of formation as the upper plate fulcrum, excavated by design requirement and pour the recessed of the upper plate Hole;
(5) the axle by design requirement along the soil cement cylinder formed sets drilling by following three kinds of situations;
Bore a hole in the position of bolthole I at the I correspondence upper plate center;
Bore a hole in the position of bolthole II at the II correspondence each angle of upper plate;
A hole is bored in the bolthole I at the III correspondence upper plate center and the position of bolthole II at each angle, and center hole depth and The hole at each angle is shallow;
(6) first time 50 ~ 500g of explosive payload, second of 100 ~ 500g of explosive payload, third time explosive payload 200 ~ 500g ..., powder charge are pressed Amount is gradually incremented by implements explosion to the bottom hole of the drilling in each soil cement cylinder, until bottom hole expands into cavity;
(7) the size of bottom hole cavity is determined, is specially:
1. lining rope and length of the length more than the different length of the drilling depth are got out equivalent to the design bottom hole cavity The waddy of diameter;
2. one end of two lining ropes is tied up into waddy two ends respectively, and puts on lining rope dimension mark;
Waddy is sent into the bottom hole cavity and carried up and down by the other end for 3. carrying two lining ropes for being waddy, works as waddy One end sticks the bottom hole cavity wall, and the dimension mark on two lining ropes it is consistent when, waddy is to be horizontal, wood now Rod length is the bottom hole cavity diameter;
(8) the upper plate is poured by design requirement;
(9) the waterproof explosive with detonator is installed around the anchor rod body on sleeve and several pole hinged places;
(10) the waterproof explosive anchor rod body carried is placed in correspondence by the bolthole I and bolthole II of the upper plate Drilling hole bottom described in the soil cement cylinder, at once detonating charge;
(11), along the wall of a borehole slip casting into the drilling, injecting cement paste is fully populated with cavity;
(12) treat that the injecting cement paste consolidates after-applied prestressing force and locks the anchor pole top on anchor slab;
(13) it is suitable for reading to the injected hole to refilling the injecting cement paste in the drilling by the injected hole on the backing plate, together When casting crack grouting body in soil basic capsule gap.
The present invention has advantages below compared with prior art:
1st, first, the detonation gas in the present invention produced by explosive charge causes drilling to drilling hole bottom consumingly impact compress Bottom surrounding ground base is crushed, and forms the enough cavitys of size, the anchor with bottom steel reinforced concrete expanding head is formed by slip casting Solid, the anchor force provided, which can be sufficiently achieved, makes superstructure stable;Second, the detonation gas produced by explosive charge is to boring Hole bottom hole soil base strong effect, is compressed bottom hole surrounding ground base, while the crack in soil base is pushed open, filling note Internal soil base will be improved after slurry(Foot of hole surrounding ground base)Physical and mechanical property;Third, by against Along the waterproof explosive detonation equipped with detonator arranged around anchor rod body on sleeve, sleeve is driven to be justified while downslide Shape transverse slat is strutted, i.e., strutted obliquely in using anchor rod body as symmetry axis, afterwards by whole bottom hole cavity slip casting, forming steel The spherical enlarged footing of reinforced concrete, and apply prestressing force and again slip casting, build comprehensive, three-dimensional, compound anchoring.
2nd, the present invention is simple in construction, radical change construction and base form, has significantly saved investment, reduces and abandon Soil, is protected environment.
Brief description of the drawings
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 crosses the sectional view of three bolt shafts for the present invention.
Fig. 2 is top view of the invention.
Fig. 3 is the sectional view that originally anchor pole of the present invention crosses bolt shaft.
In figure:1-soil, 2-injecting cement paste of base 3-4-anchor pole of drilling, 5-soil basic capsule 6-upper plate of gap 7-backing plate, 8-anchor slab, 9-crack grouting body 10-detonator, 11-pole, 12-waterproof explosive, 13-injected hole 14-the wall of a borehole, 15-bottom hole, 16-fixture of cavity, 17-ground, 18-soil cement cylinder 19-circle is horizontal 20-sleeve of plate.
Embodiment
As shown in Fig. 1 ~ 3, ball-anchor pole-upper plate basis, it includes in an embedded soil base 1 and upper surface and ground 17 Concordant upper plate 6, one or more anchor pole 4 and the backing plate 7 and anchor slab 8 matched with anchor pole 4.
Upper plate 6 is polygon(Polygon include triangle, quadrangle ...), its center is provided with a bolthole I;Backing plate 7 Center is provided with a bolthole III;Anchor pole 4 includes the body of rod, sleeve 20 and several poles 11;The bottom of the body of rod is fixed with a steel Circular transverse slat 19, the sleeve 20 that set is even slided up and down along the body of rod thereon;One end of several poles 11 is articulated with around sleeve 20, Its other end is overlapped on the periphery of circular transverse slat 19;On sleeve 20 along and be disposed with around the body of rod equipped with detonator 10 Waterproof explosive 12;The bottom of anchor pole 4 and several poles 11 are anchored, and its top is each passed through the anchor pole of the correspondence position of upper plate 6 Hole I, and connected together through the bolthole III of backing plate 7 with anchor slab 8.
Wherein:Soil base 1 is mud, muck soil, cohesive soil, silt, loess, sand, artificial earth fill and rubble soil One or more in base.
Upper plate 6 is provided with the fixture 16 for being used for being connected with superstructure.
An injected hole 13 is provided with backing plate 7.
Each angle of upper plate 6 is equipped with a bolthole II;And the top of anchor pole 4 is each passed through the correspondence position of upper plate 6 Bolthole II, and connected together through the bolthole III of backing plate 7 with anchor slab 8.
The center of upper plate 6 is provided with a bolthole I, and each angle is provided with a bolthole II;Wear respectively on the top of anchor pole 4 The bolthole I and bolthole II of the correspondence position of upper plate 6 are crossed, and is connected together through the bolthole III of backing plate 7 with anchor slab 8.
The body of rod length of anchor pole 4 under 2 ~ 5 times of the external diameter of a diameter of sleeve 20 of circular transverse slat 19, and circular transverse slat 19 with The radius of bottom hole cavity 15 is suitable.
The length of pole 11 is less than the radius of bottom hole cavity 15.
The construction method on the ball-anchor pole-upper plate basis, comprises the following steps:
(1) flat base, i.e., flatten select location;
(2) correspond to the center bolthole I of upper plate 6 and the bolthole II at each angle is punched in soil base 1, and center hole depth, and it is every The hole at individual angle is shallow;
By the Grouting Pipe with nozzle as step (2) obtained by hole be placed in processing soil base 1 desired depth, then use water Mud is punched soil base 1, while forming soil cement cylinder 18 after rotation and hoisting grouting pipe, consolidation;
(4), with the soil cement cylinder 18 of formation for the fulcrum of upper plate 6, the pit for pouring upper plate 6 is excavated by design requirement;
(5) the axle by design requirement along the soil cement cylinder 18 formed sets drilling 3 by following three kinds of situations;
Bore a hole in the position of bolthole I at I correspondence upper plate 6 center;
Bore a hole in the position of bolthole II at each angle of II correspondence upper plate 6;
A hole is bored in the bolthole I at III correspondence upper plate 6 center and the position of bolthole II at each angle, and center hole depth and each The hole at angle is shallow;
(6) first time 50 ~ 500g of explosive payload, second of 100 ~ 500g of explosive payload, third time explosive payload 200 ~ 500g ..., powder charge are pressed Amount is gradually incremented by implements explosion to the bottom hole of the drilling 3 in each soil cement cylinder 18, until bottom hole expands into cavity;
(7) the size of bottom hole cavity 15 is determined, is specially:
1. the lining rope and length of different length of the length more than 3 depth of drilling are got out equivalent to the design diameter of bottom hole cavity 15 Waddy;
2. one end of two lining ropes is tied up into waddy two ends respectively, and puts on lining rope dimension mark;
Waddy is sent into bottom hole cavity 15 and carried up and down by the other end for 3. carrying two lining ropes for being waddy, when waddy one End sticks the wall of bottom hole cavity 15, and the dimension mark on two lining ropes it is consistent when, waddy is to be horizontal, and waddy now is long Degree is the diameter of bottom hole cavity 15;
(8) upper plate 6 is poured by design requirement;
(9) the waterproof explosive 12 with detonator 10 is installed around the body of rod of anchor pole 4 on sleeve 20 and the hinged place of several poles 11;
(10) the waterproof explosive 12 body of rod of anchor pole 4 carried is placed in correspondence soil cement by the bolthole I and bolthole II of upper plate 6 to be justified Drill 3 bottom holes in cylinder 18, at once detonating charge;
(11), along the slip casting into drilling 3 of the wall of a borehole 14, injecting cement paste 2 is fully populated with cavity;
(12) treat that injecting cement paste 2 consolidates after-applied prestressing force and locks the top of anchor pole 4 on anchor slab 8;
(13) it is suitable for reading to injected hole 13 by refilling injecting cement paste 2 in 13 pairs of drillings 3 of injected hole on backing plate 7, while casting is split Gap injecting cement paste 9 is in soil basic capsule gap 5.
The present invention is applied to soil base, but is not limited to soil base, its method and steps can slightly be adjusted can be used to rock and Hard hard soil foundation.

Claims (9)

1. ball-anchor pole-upper plate basis, it is characterised in that:It includes an embedded soil base(1)In and upper surface and ground(17) Concordant upper plate(6), one or more anchor pole(4)And with the anchor pole(4)The backing plate matched(7)And anchor slab(8);On described Plate(6)For polygon, its center is provided with a bolthole I;The backing plate(7)Center is provided with a bolthole III;The anchor pole (4)Including the body of rod, sleeve(20)With several poles(11);The bottom of the body of rod is fixed with the circular transverse slat of a steel(19), its The sleeve that above set is even slided up and down along the body of rod(20);Several poles(11)One end be articulated with the sleeve (20)Around, its other end is overlapped on the circular transverse slat(19)Periphery;Against the sleeve(20)Upper edge and described It is disposed with around the body of rod equipped with detonator(10)Waterproof explosive(12);The anchor pole(4)Bottom and several poles(11) Anchored, its top is each passed through the upper plate(6)The bolthole I of correspondence position, and pass through the backing plate(7)Institute State bolthole III and the anchor slab(8)Connect together.
2. ball-anchor pole as claimed in claim 1-upper plate basis, it is characterised in that:The soil base(1)For mud, Muddy Bottoms One or more in soil, cohesive soil, silt, loess, sand, artificial earth fill and foundation of gravelly soil.
3. ball-anchor pole as claimed in claim 1-upper plate basis, it is characterised in that:The upper plate(6)It is provided with fixture (16).
4. ball-anchor pole as claimed in claim 1-upper plate basis, it is characterised in that:The backing plate(7)On be provided with an injected hole (13).
5. ball-anchor pole as claimed in claim 1-upper plate basis, it is characterised in that:The upper plate(6)Each angle be equipped with One bolthole II;And the anchor pole(4)Top be each passed through the upper plate(6)The bolthole II of correspondence position, and Through the backing plate(7)The bolthole III and the anchor slab(8)Connect together.
6. ball-anchor pole as claimed in claim 1-upper plate basis, it is characterised in that:The upper plate(6)Center be provided with one Bolthole I, and each angle is provided with a bolthole II;The anchor pole(4)Top be each passed through the upper plate(6)Correspondence position The bolthole I and the bolthole II, and through the backing plate(7)The bolthole III and the anchor slab(8)Connection To together.
7. ball-anchor pole as claimed in claim 1-upper plate basis, it is characterised in that:The circular transverse slat(19)A diameter of institute State sleeve(20)2 ~ 5 times of external diameter, and the circular transverse slat(19)Under anchor pole(4)Body of rod length and bottom hole cavity(15)'s Radius is suitable.
8. ball-anchor pole as claimed in claim 1-upper plate basis, it is characterised in that:The pole(11)It is empty that length is less than bottom hole Chamber(15)Radius.
9. the construction method on ball-anchor pole as claimed in claim 1-upper plate basis, comprises the following steps:
(1) flat base, i.e., flatten select location;
(2) upper plate is corresponded to(6)Center bolthole I and each angle bolthole II in soil base(1)Middle punching, and center hole depth, And the hole at each angle is shallow;
By the Grouting Pipe with nozzle as the step (2) obtained by hole be placed in the processing soil base(1)Pre- depthkeeping Degree, is then punched the soil base with cement mortar(1), soil cement circle is formed after the Grouting Pipe, consolidation while rotating and being lifted Cylinder(18);
(4) with the soil cement cylinder of formation(18)For the upper plate(6)Fulcrum, is excavated by design requirement and poured on described Plate(6)Pit;
(5) the soil cement cylinder formed by design requirement edge(18)Axle by following three kinds of situations set drilling(3);
The I correspondence upper plate(6)Bore a hole in the position of bolthole I at center;
The II correspondence upper plate(6)Bore a hole in the position of bolthole II at each angle;
The III correspondence upper plate(6)A hole, and center hole depth are bored in the bolthole I at center and the position of bolthole II at each angle Hole with each angle is shallow;
(6) first time 50 ~ 500g of explosive payload, second of 100 ~ 500g of explosive payload, third time explosive payload 200 ~ 500g ..., powder charge are pressed Amount is gradually incremented by each soil cement cylinder(18)In the drilling(3)Bottom hole implement explosion, until bottom hole expand Into cavity;
(7) bottom hole cavity is determined(15)Size, be specially:
1. length is got out more than the drilling(3)The lining rope and length of the different length of depth are empty equivalent to the bottom hole is designed Chamber(15)The waddy of diameter;
2. one end of two lining ropes is tied up into waddy two ends respectively, and puts on lining rope dimension mark;
Waddy is sent into the bottom hole cavity by the other end for 3. carrying two lining ropes for being waddy(15)It is interior and carry up and down, when Waddy one end sticks the bottom hole cavity(15)When dimension mark on wall, and two lining ropes is consistent, waddy is to be horizontal, Waddy length now is the bottom hole cavity(15)Diameter;
(8) the upper plate is poured by design requirement(6);
(9) in sleeve(20)With several poles(11)Anchor pole on hinged place(4)Band detonator is installed around the body of rod(10)Water resistant Explosive(12);
(10) by the anchor pole(4)The waterproof explosive that the body of rod is carried(12)Pass through the upper plate(6)Bolthole I and bolthole II is placed in the correspondence soil cement cylinder(18)Described in drill(3)Bottom hole, at once detonating charge;
(11) along the wall of a borehole(14)To the drilling(3)Interior slip casting, makes injecting cement paste(2)It is fully populated with cavity;
(12) the injecting cement paste is treated(2)Consolidate after-applied prestressing force and lock the anchor pole(4)Top is in anchor slab(8)On;
(13) the backing plate is passed through(7)On injected hole(13)To the drilling(3)Inside refill the injecting cement paste(2)Described in Injected hole(13)It is suitable for reading, while crack grouting body of casting(9)In soil basic capsule gap(5).
CN201610215857.4A 2016-04-09 2016-04-09 Ball-anchor pole-upper plate basis and its construction method Withdrawn CN107268585A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610215857.4A CN107268585A (en) 2016-04-09 2016-04-09 Ball-anchor pole-upper plate basis and its construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610215857.4A CN107268585A (en) 2016-04-09 2016-04-09 Ball-anchor pole-upper plate basis and its construction method

Publications (1)

Publication Number Publication Date
CN107268585A true CN107268585A (en) 2017-10-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610215857.4A Withdrawn CN107268585A (en) 2016-04-09 2016-04-09 Ball-anchor pole-upper plate basis and its construction method

Country Status (1)

Country Link
CN (1) CN107268585A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109208928A (en) * 2018-11-02 2019-01-15 潍坊科技学院 A kind of means for mounting coupling parts of all bamboo structure column root

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109208928A (en) * 2018-11-02 2019-01-15 潍坊科技学院 A kind of means for mounting coupling parts of all bamboo structure column root
CN109208928B (en) * 2018-11-02 2024-03-19 潍坊科技学院 Full bamboo structure post root build-in structure

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Application publication date: 20171020

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