CN205502049U

CN205502049U - Many cable resistance to plucking bases in soil base center and board angle

Info

Publication number: CN205502049U
Application number: CN201620288921.7U
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 many cable resistance to plucking bases in soil base center and board angle, it includes in the embedding soil base and the upper surface is above ground level upper plate, many beard and hair stocks and with backing plate and anchor slab that the beard and hair stock matches. The upper plate is the polygon, and an anchor rod hole I has been put to its center and every angle equipartition, 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 passed respectively the upper plate 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

Base center, soil and plate angle many ropes anti_floating foundation

Technical field

This utility model relates to soil foundation stabilization and base form, particularly relates to base center, soil and plate angle many ropes anti_floating foundation.

Background technology

At present, most bases are primarily subjected to the vertical load of superstructure applying for resistance to compression basis, i.e. basis and meet deformation and stability requirement, are typically include isolated footing, strip footing, raft foundation etc..And anti_floating foundation mainly has heavy excavation basis, draws and dig spread foundation, explosion expanded piling basis etc.；Either heavy excavation foundation class, still draw and dig spread foundation class, the construction of explosion expanded piling foundation class all has bigger difficulty, and all there is quantities long, cost height big, time-consuming, environment is caused relatively havoc, but the problems 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, and the stability on the large deformation of the soil body 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, pulling test strength, and optimizes loading transfer mechanism, reduces base center, soil and plate angle many ropes anti_floating foundation of soil deformation simultaneously.

For solving the problems referred to above, base center, soil described in the utility model and plate angle many ropes anti_floating foundation, it is characterised in that: it includes that one embeds in soil base and the overhead upper plate of upper surface, many root hairs send out anchor pole and the backing plate matched with described beard and hair anchor pole and anchor slab；Described upper plate is polygon, and its center and every angle are all disposed with 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, and its top is each passed through the described bolthole I of described upper plate, and the described bolthole II passing described backing plate connects together with described anchor slab；Described beard and hair anchor pole is made up of the silk of resistance to drawing-down, and the waterproof explosive equipped with detonator is tied up in the bottom of this silk of resistance to drawing-down, and makes 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 one or more in mud, muck soil, cohesive soil, silt, loess, sand, artificial earth fill and foundation of gravelly soil.

Described upper plate is provided with fixture.

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 soil crushed, form the cavity that size is enough, formed the anchoring body of band bottom enlarged footing by slip casting, the anchor force provided can sufficiently achieve and make superstructure stable；They are two years old, detonation gas produced by explosive charge is to drilling hole subsoil body strong effect, make surrounding soil at the bottom of hole be compressed, the crack in the soil body is pushed open simultaneously, the physical and mechanical property of internal soil base (foot of hole surrounding soil) after filling and injecting slurry body, will be improved；They are three years old, at once detonate after boring hole-bottom slurry-injection buried explosive, while detonation strength drives surrounding soil crack 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 the soil body, especially the silk of resistance to drawing-down of beard and hair anchor pole is driven to penetrate among boring surrounding soil crack, the end dearly by the strong power-actuated injecting cement paste of detonation, injecting cement paste by anchor rod anchored for beard and hair in boring in while, cavity at the bottom of tapping hole and soil mass crack, formation is with the injecting cement paste of filling in boring as core, comprehensive by the injecting cement paste in soil mass crack and the beard and hair anchor pole silk of resistance to drawing-down extension, three-dimensional, compound anchoring, the safety making engineering is protected.

2, this utility model simple in construction, radical change construction and base form, save investment significantly, decreased spoir, make 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 that this utility model soil base square upper plate five rope anti_floating foundation crosses upper plate center and the sectional view of bolthole 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 cavity 16 fixture 17 ground 18 soil cement cylinder at the bottom of 4 basic capsule gap 6 upper plate 7 backing plate 8 anchor slab 9 crack grouting body 10 detonator 11 silk of resistance to drawing-down 12 waterproof explosive 13 injected hole 14 the wall of a borehole 15 holes, beard and hair anchor pole 5 soil.

Detailed description of the invention

As shown in Fig. 1 ~ 3, base center, soil and plate angle many ropes anti_floating foundation, it includes that one embeds in soil base 1 and the upper plate 6 of upper surface above ground level 17, many root hairs send out anchor pole 4 and the backing plate 7 matched with beard and hair anchor pole 4 and anchor slab 8.

Upper plate 6 is polygon, and its center and every angle are all disposed with a bolthole I；Backing 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 each passed through the bolthole I of upper plate 6, and the bolthole II passing backing plate 7 connects together 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 waterproof explosive 12 equipped with detonator 10 is tied up in the bottom of this silk of resistance to drawing-down 11, and makes the silk of resistance to drawing-down 11 be uniformly distributed in the waterproof explosive 12 equipped with detonator 10 around along circumferential direction.

Wherein: soil base 1 is one or more in mud, muck soil, cohesive soil, silt, loess, sand, artificial earth fill and foundation of gravelly soil.

Upper plate 6 is provided with the fixture 16 for being connected with superstructure.Polygon includes triangle, tetragon ....

An injected hole 13 is had on backing plate 7.

This base center, soil and the construction method of plate angle many ropes anti_floating foundation, comprise the following steps:

The most flat base, will select location leveling；

(2) punch in soil base 1 in center and each angle of corresponding polygon upper plate 6, and center hole depth, and the hole that often angle is corresponding is shallow；

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

(4), with the soil cement cylinder 18 that formed for upper plate 6 fulcrum, excavate by design requirement and pour the pit of upper plate 6；

(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. get out length and be equivalent to design the waddy of cavity 15 diameter at the bottom of hole more than lining rope and the length of the different length of boring 3 degree of depth；

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, when waddy one end sticks cavity 15 wall at the bottom of hole, and dimension mark that two on lining rope consistent time, waddy is i.e. horizontal, and waddy length now is cavity 15 diameter at the bottom of hole；

(8) pour upper plate 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 be 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 cylinder 18 by the different boltholes I of upper plate 6 and to hole 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, and detonate waterproof explosive 12 at once；Detonation strength drives while crack at injecting cement paste 2 the filling borehole 3 end, and 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 through the bolthole II at backing plate 7 center matched with beard and hair anchor pole 4, 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, casting crack grouting body 9 is in soil basic capsule gap 5 simultaneously.

Claims

1. soil base center and plate angle many ropes anti_floating foundation, it is characterised in that: it includes that one embeds in soil base (1) and the upper plate (6) of upper surface (17) above ground level, many root hairs send out anchor pole (4) and the backing plate (7) matched with described beard and hair anchor pole (4) and anchor slab (8)；Described upper plate (6) is polygon, and its center and every angle are all disposed with 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 anchored, and its top is each passed through the described bolthole I of described upper plate (6), and the described bolthole II passing described backing plate (7) 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), the waterproof explosive (12) equipped with detonator (10) is tied up in the bottom of this silk of resistance to drawing-down (11), and makes the described silk of resistance to drawing-down (11) be uniformly distributed in the described waterproof explosive (12) equipped with described detonator (10) around along circumferential direction.

2. base center, soil as claimed in claim 1 and plate angle 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. base center, soil as claimed in claim 1 and plate angle many ropes anti_floating foundation, it is characterised in that: described upper plate (6) is provided with fixture (16).

4. base center, soil as claimed in claim 1 and plate angle many ropes anti_floating foundation, it is characterised in that: have an injected hole (13) on described backing plate (7).