CN205501987U

CN205501987U - Soil many cable resistance to plucking bases of base spider arm end

Info

Publication number: CN205501987U
Application number: CN201620288919.XU
Authority: CN
Inventors: 言志信
Original assignee: Henan University of Urban Construction
Current assignee: Henan University of Urban Construction
Priority date: 2016-04-09
Filing date: 2016-04-09
Publication date: 2016-08-24
Anticipated expiration: 2026-04-09

Abstract

The utility model relates to a soil many cable resistance to plucking bases of base spider arm end, the star component that it includes in the embedding soil base and the upper surface is above ground level, several beard and hair stock and with backing plate and anchor slab that the beard and hair stock matches. The star component is equipped with the semi -girder that the several radially stretches out, every the outer end of semi -girder is equipped with an anchor rod hole I, the backing plate center is equipped with an anchor rod hole II, it is several the bottom of beard and hair stock is all by the anchor, and its top is equallyd divide and is do not passed the star component anchor rod hole I, and passes the backing plate anchor rod hole II with the anchor slab is connected to together, the beard and hair stock comprises resistant finedraw, and the water -resistant explosive who is equipped with the detonator is tied up to the lower part that should be able to bear or endure the finedraw, and makes resistant finedraw is in the same direction as girth direction evenly distributed in being equipped with the detonator around the water -resistant explosive. The utility model discloses simple structure has changed construction and basic form at all, has practiced thrift the investment, has reduced the spoir.

Description

Soil base spider arm end many ropes anti_floating foundation

Technical field

This utility model relates to soil foundation stabilization and base form, particularly relates to soil base spider arm end many ropes resistance to plucking base Plinth.

Background technology

At present, overwhelming majority basis is primarily subjected to vertical load that superstructure applies and full for resistance to compression basis, i.e. basis Foot deformation and stability requirement, be typically include isolated footing, strip footing, raft foundation etc..And anti_floating foundation mainly has greatly Excavation foundation, draw dig spread foundation, explosion expanded piling basis etc.；Either heavy excavation foundation class, still draws and digs spread foundation class, explosive expansion The construction of pile foundation class all has bigger difficulty, and all there is quantities long, cost height big, time-consuming, causes environment bigger Destroy, but the problem such as the drag that can provide is limited, consolidation effect is not ideal enough, under the conditions of soil base, the problems referred to above are more prominent Go out, and the stability on the large deformation of soil base and basis becomes the key issue that must solve.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of reduction soil base disturbance, and improves resistance to compression, resists Pull out intensity, and optimize loading transfer mechanism, reduce soil base spider arm end many ropes anti_floating foundation of soil foundation deformation simultaneously.

For solving the problems referred to above, soil described in the utility model base spider arm end many ropes anti_floating foundation, it is characterised in that: It include one embed in soil base and the overhead star member of upper surface, several beard and hair anchor pole and with described beard and hair anchor Backing plate that bar matches and anchor slab；Described star member is provided with several radially-protruding semi-girder；The outer end of each described semi-girder sets There is a bolthole I；Described backing plate center is provided with a bolthole II；The bottom of several described beard and hair anchor poles is all anchored, its Top is respectively through the described bolthole I of described star member, and passes the described bolthole II of described backing plate and described anchor Plate connects together；Described beard and hair anchor pole is made up of the silk of resistance to drawing-down, and the bottom of this silk of resistance to drawing-down is tied up the water resistant equipped with detonator and exploded Medicine, and make the described silk of resistance to drawing-down be uniformly distributed in around equipped with the described waterproof explosive of described detonator along circumferential direction.

Described soil base is mud, muck soil, cohesive soil, silt, loess, sand, artificial earth fill and foundation of gravelly soil In one or more.

Described star member is provided with fixture.

The quantity of described semi-girder is three and more than three.

An injected hole is had on described backing plate.

This utility model compared with prior art has the advantage that

1, first, in this utility model, detonation gas produced by explosive charge is to impact compress consumingly at the bottom of drilling hole, Cause boring end surrounding ground base crushed, form the cavity that size is enough, formed the anchoring of band bottom enlarged footing by slip casting Body, the anchor force provided can sufficiently achieve and make superstructure stable；Its two, detonation gas produced by explosive charge is to boring Hole subsoil ground strong effect, makes surrounding ground base at the bottom of hole be compressed, is pushed open in the crack in soil base, filling and injecting slurry simultaneously The physical and mechanical property of internal soil base (foot of hole surrounding ground base) will be improved after body；Its three, bore hole-bottom slurry-injection After at once detonate buried explosive, while detonation strength drives surrounding ground basic capsule gap at the bottom of injecting cement paste filling borehole, Scatter in the silk of resistance to drawing-down of driving beard and hair anchor pole crack in the wall of a borehole and soil base, especially the most power-actuated by detonation Injecting cement paste drives the silk of resistance to drawing-down of beard and hair anchor pole to penetrate dearly among boring end surrounding ground basic capsule gap, and injecting cement paste is by beard and hair Anchor rod anchored in boring while, cavity at the bottom of tapping hole and soil basic capsule gap, form in boring the injecting cement paste of filling as core The heart, by the injecting cement paste in soil basic capsule gap and the anchoring comprehensive, three-dimensional, compound of the beard and hair anchor pole silk of resistance to drawing-down extension, makes work The safety of journey is protected.

2, this utility model simple in construction, radical change construction and base form, save investment significantly, decreased Spoir, makes environment be protected.

Accompanying drawing explanation

Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in further detail.

Fig. 1 is the sectional view that this utility model soil base spider arm end four rope anti_floating foundation crosses anchor cable axle.

Fig. 2 is top view of the present utility model.

Fig. 3 is this utility model beard and hair anchor pole originally powder charge section cross sectional representation.

In figure: 1 soil base 2 injecting cement paste 3 is holed 4 beard and hair anchor pole 5 soil basic capsule gap 6 star structures Part 7 backing plate 8 anchor slab 9 crack grouting body 10 detonator 11 silk of resistance to drawing-down 12 waterproof explosive 13 slip casting Cavity 16 fixture 17 ground 18 soil cement cylinder 19 semi-girder at the bottom of the wall of a borehole 15 hole, hole 14.

Detailed description of the invention

As shown in Fig. 1 ~ 3, soil base spider arm end many ropes anti_floating foundation, it includes that one embeds in soil base 1 and upper table The star member 6 in face above ground level 17, several beard and hair anchor pole 4 and the backing plate 7 matched with beard and hair anchor pole 4 and anchor slab 8.

Star member 6 is provided with several radially-protruding semi-girder 19；The outer end of each semi-girder 19 is provided with a bolthole I；Pad Plate 7 center is provided with a bolthole II；The bottom of several beard and hair anchor poles 4 is all anchored, and its top is respectively through star member 6 Bolthole I, and connect together through the bolthole II of backing plate 7 with anchor slab 8；Beard and hair anchor pole 4 is made up of the silk of resistance to drawing-down 11, i.e. By the steel wire that moderate finite deformation can occur under detonation or (with) other silk thread constitutes.The bottom bundle of this silk of resistance to drawing-down 11 There is the waterproof explosive 12 of detonator 10, and make the silk of resistance to drawing-down 11 be uniformly distributed in the waterproof explosive 12 equipped with detonator 10 along circumferential direction Around.

Wherein: soil base 1 is mud, muck soil, cohesive soil, silt, loess, sand, artificial earth fill and rubble soil One or more in base.

Star member 6 is provided with the fixture 16 for being connected with superstructure.

The quantity of semi-girder 19 is three and more than three.

An injected hole 13 is had on backing plate 7.

The construction method of this soil base spider arm end many ropes anti_floating foundation, comprises the following steps:

The most flat base, will select location leveling；

(2) punch in soil base 1 in bolthole I position of each semi-girder 19 outer end of corresponding star member 6；

(3) the Grouting Pipe with nozzle is placed in the desired depth processing soil base 1, then by the hole of step (2) gained With the die-cut soil body of cement mortar, rotate and hoisting grouting pipe simultaneously, after consolidation, form soil cement cylinder 18；

With formed soil cement cylinder 18 for star member 6 fulcrum, by design requirement excavate pour star member 6 Pit；

(5) the axle of each soil cement cylinder 18 formed by design requirement edge arranges boring 3；

(6) by explosive payload 50 ~ 100g, for the second time explosive payload 100 ~ 200g, for the third time explosive payload 200 ~ 400g for the first time ..., Explosive payload is gradually incremented by implementing explosion at the bottom of the hole of the boring 3 in each soil cement cylinder 18, until expanding into cavity at the bottom of hole；

(7) measure the size of cavity 15 at the bottom of hole, particularly as follows:

1. getting out length, to be equivalent to design cavity 15 at the bottom of hole more than the lining rope of different length of boring 3 degree of depth and length straight The waddy in footpath；

2. one end of two lining ropes is tied up to waddy two ends respectively, and on lining rope, put on dimension mark；

3. carry in cavity 15 at the bottom of hole sent into by waddy by the other end of two lining ropes being waddy and carry up and down, working as wood Rod one end stick the dimension mark on cavity 15 wall, and two lining ropes at the bottom of hole consistent time, waddy is i.e. horizontal, wood now Rod length is cavity 15 diameter at the bottom of hole；

(8) pour star member 6 by design requirement；

(9) the waterproof explosive 12 equipped with detonator 10 is tied up in the bottom at the beard and hair anchor pole 4 being made up of the silk of resistance to drawing-down 11, and makes The silk of resistance to drawing-down 11 is uniformly distributed in the waterproof explosive 12 equipped with detonator 10 around along circumferential direction；

By beard and hair anchor pole 4 with waterproof explosive 12 be placed in corresponding soil cement by the different boltholes I of star member 6 Cylinder 18 is holed at the bottom of 3 holes；

(11) slip casting in boring 3, makes injecting cement paste 2 bury the waterproof explosive 12 that beard and hair anchor pole 4 is carried completely, and makes its thickness Beyond powder charge top, detonate waterproof explosive 12 at once；, crack is same at detonation strength the driving injecting cement paste 2 filling borehole 3 end Time, detonation strength drives the silk of resistance to drawing-down 11 to scatter to the wall of a borehole 14 and crack；

(12) treat that injecting cement paste 2 consolidates relief beard and hair anchor pole 4 top anchor through backing plate 7 center matched with beard and hair anchor pole 4 Rod aperture II, and Shi Hanzhang lock beard and hair anchor pole 4 top on anchor slab 8；

(13) suitable for reading to refilling injecting cement paste 2 to injected hole 13 in boring 3 by the injected hole 13 on backing plate 7, water simultaneously Casting crack grouting body 9 is in soil basic capsule gap 5.

Claims

1. soil base spider arm end many ropes anti_floating foundation, it is characterised in that: it includes that one embeds in soil base (1) and upper surface The star member (6) of (17) above ground level, several beard and hair anchor pole (4) and the backing plate (7) matched with described beard and hair anchor pole (4) With anchor slab (8)；Described star member (6) is provided with several radially-protruding semi-girder (19)；The outer end of each described semi-girder (19) sets There is a bolthole I；Described backing plate (7) center is provided with a bolthole II；The bottom of several described beard and hair anchor poles (4) is all by anchor Gu, its top is respectively through the described bolthole I of described star member (6), and passes the described bolthole of described backing plate (7) II connects together with described anchor slab (8)；Described beard and hair anchor pole (4) is made up of the silk of resistance to drawing-down (11), this silk of resistance to drawing-down (11) The waterproof explosive (12) equipped with detonator (10) is tied up in bottom, and makes the described silk of resistance to drawing-down (11) be uniformly distributed in dress along circumferential direction There is the described waterproof explosive (12) of described detonator (10) around.

2. soil as claimed in claim 1 base spider arm end many ropes anti_floating foundation, it is characterised in that: described soil base (1) is One or more in mud, muck soil, cohesive soil, silt, loess, sand, artificial earth fill and foundation of gravelly soil.

3. soil as claimed in claim 1 base spider arm end many ropes anti_floating foundation, it is characterised in that: described star member (6) It is provided with fixture (16).

4. soil as claimed in claim 1 base spider arm end many ropes anti_floating foundation, it is characterised in that: the number of described semi-girder (19) Amount is three and more than three.

5. soil as claimed in claim 1 base spider arm end many ropes anti_floating foundation, it is characterised in that: described backing plate is opened on (7) There is an injected hole (13).