CN1071830C

CN1071830C - Earth anchor method

Info

Publication number: CN1071830C
Application number: CN93108098A
Authority: CN
Inventors: 尾高英雄
Original assignee: Kurosawa Construction Co Ltd
Current assignee: Kurosawa Construction Co Ltd
Priority date: 1992-07-03
Filing date: 1993-07-02
Publication date: 2001-09-26
Anticipated expiration: 2013-07-02
Also published as: KR0132205B1; KR940002433A; CN1081220A; JP2539319B2; JPH0626039A

Abstract

The invention relates to the method of fixing a compression dispersed type earth anchor. To dissolve difference of shearing resistance at the boundary parts of the front end parts and the rear end parts of respective fixing bodies in an anchor body, in the fixing method of a compression/dispersion type earth anchor. Tension members 5a, 5b, 5c are respectively U-turned and windingly laid on respective fixing bodies 6 which are arranged in an anchor body 4 at respective different depths. The diameter of the respective tension members are respectively different extending over the fixing body 6a of the deepmost part and the fixing bodies 6b, 6c on this side, and respective ones are tensed by different tension and fixed.

Description

The anchoring and pile method of earth anchor

The present invention is the anchoring and pile method about the dispersed compression type earth anchor.

To draw material in prior art makes behind the U font revolution shape around being latched on the anchor ingot, again this anchor ingot body is equipped on the anchor body in the anchor hole with different depth position, and with the end of the aforementioned traction material anchoring and pile method of the compression unit somatotype earth anchor of tensioning anchor ingot in addition outside the opening of anchor hole, known to general.

The anchoring and pile method of this kind dispersed compression type earth anchor, still as shown in Figure 7, each anchor ingot body 20 will be around fastening with a bolt or latch in the traction material 30 of this anchor ingot body 210 by decentralized configuration, all make its tensioning, so the advantageous feature of equalization slightly of the shearing resistance with solid anchor body 40 with same pulling force.

The shearing resistance of the anchor body of the anchoring and pile method of this kind dispersed compression type earth anchor, with the anchor body all, though equalization slightly, but with each of anchor ingot body, then as shown in Figure 7, to the shearing resistance between the rearward end, delicate difference takes place respectively but at the leading section of each anchor ingot body; This is to make in the scope of each anchor ingot body, that is power before the leading section of the anchor ingot body of the shearing resistance of the anchor ingot body rearward end in deep and pars intermedia anti-, and between the shearing resistance of the anchor ingot body leading section of the shearing resistance of the anchor ingot body rearward end of pars intermedia and superficial part, great gap takes place.

The gap of this kind shearing resistance is to produce because of the leading section of each anchor ingot body is different with the amount of movement of rearward end.

The objective of the invention is to propose the anchoring and pile method of dispersed compression type earth anchor for addressing the above problem.Quasi-solution is removed leading section and the rearward end that occurs in each anchor ingot body, that is the shearing resistance of the leading section of the anchor ingot body of the shearing resistance of the anchor ingot body rearward end in deep and pars intermedia, and the difference of the shearing resistance between the shearing resistance of the anchor ingot body leading section of the shearing resistance of the anchor ingot body rearward end of pars intermedia and superficial part.

For the main idea of the present invention that addresses the above problem be for: in the anchor body in the anchor hole that lockhole became in ground, be equipped with the anchor ingot body of several different depth position, also have the traction material to turn round shape around fastening with a bolt or latch on it with the U font at this each anchor ingot body, its end then is tensioned the anchor ingot in earth anchor outside aforementioned anchor hole opening:

It is characterized by: will respectively be drawn material around what fasten into U font revolution shape with a bolt or latch at aforementioned each anchor ingot body, and come in addition tensioning anchor ingot with variant pulling force; And will be from the anchor ingot body in aforementioned deep around door bolt to the diameter of the traction material of the anchor ingot body of side on hand, respectively be set at different diameters.

So, as above-mentioned, will be at each anchor ingot body by around the traction material of fastening into U font revolution shape with a bolt or latch, come in addition tensioning with variant pulling force; Thus, can remove in the scope of the leading section that occurs in each anchor ingot body and rearward end, that is, the shearing resistance of the shearing resistance of the anchor ingot body rearward end in deep and the anchor ingot body leading section of pars intermedia, and the gap of the shearing resistance between the shearing resistance of the anchor ingot body leading section of the shearing resistance of the anchor ingot body rearward end of pars intermedia and superficial part, take place so can prevent the gap of anchor body shearing resistance.

Below, describe the embodiment of the anchoring and pile method of dispersed compression type earth anchor of the present invention in detail with reference to accompanying drawing.

The present invention is further elaborated with reference to the accompanying drawings:

Fig. 1 represents the profile of the earth anchor of anchoring and pile method of the present invention.

Fig. 2 is for becoming the oblique view of the earth anchor of U font revolution shape around door bolt traction material at anchor ingot body.

Fig. 3 will be for drawing the profile of material around the anchor ingot body of fastening into U font revolution shape with a bolt or latch.

Fig. 4 ends the plan view of metalwork for door bolt.

Fig. 5 ends the side view of metalwork for door bolt.

Fig. 6 is the plan view of pressure-bearing metal spare.

Fig. 7 is the profile of the anchoring and pile method of earth anchor in the past.

1 is for boring the anchor hole of pick in ground among the figure, and 2 for preventing landslide plate Chinese toon, and 3 are the traction pedestal, and 4 is the anchor body that solidifies behind the injection cement emulsion slurry.

In this anchor hole 1, also there are diameter different three

traction material

5a, 5b, 5c to be folded back, and have 6 derivation end to be tensioned the anchor ingot, so that support anti-landslide with plate Chinese toon 3 at traction material pedestal 3 in inside.

This respectively draws

material

5a, 5b, 5c, in the wrap 5d of synthetic resin type, has steel wire 5e to insert via quilts such as butter and wears to become to slide freely the what is called of the state wirerope that do not burn; Each draws

material

5a, 5b, 5c and is also become U font revolution shape around 3 the

anchor ingot body

6a, 6b, the 6c that fasten with a bolt or latch in being provided in different depth in the anchor body 4, and between each

anchor ingot body

6a, 6b, 6c, the arrangement of reinforcement as the reinforcing bar 8 of reinforcing body 7 is also arranged.

The diameter of this

traction material

5a, 5b, 5c, deep is to be 15.2mm, and middle part portion is 12.7mm, and superficial part then is 12.7mm,

And aforementioned reinforcing bar 8 its ends also join with each

anchor ingot body

6a, 6b, the 6c of adjacency, and by the suitable sept 8a that is equipped with at interval.Therefore, anchor body 4 is to become high persons of rigidity on all by

anchor ingot body

6a, 6b, 6c and reinforcing bar 8.

Anchor ingot body

6a, 6b, 6c are as shown in Figure 3, and the door bolt that is formed the U word shape by the chase 9a around door

bolt traction material

5a, 5b, 5c ends metalwork 9, reach hookup cylindraceous etc. and constitute.

And, distolateral after door bolt ends metalwork 9, also, be formed with flange as Fig. 4 and shown in Figure 5; There is the road ditch 11a that angles door bolt to draw

material

5a, 5b, 5c to form radial configuration and concave indentation shape 11 of this flanges.This guide channel 11a also forms the traction material 5a of same anchor hole 1, the above number of derivation number of 5b, 5c at least, then is 8 at present embodiment.

And, be based in door bolt and end the metalwork 9 projection 9b of end face afterwards, the also chimeric front end that hookup 10 is arranged; In the periphery of this hookup 10 then along being provided with by around being latched in

traction material

5a, 5b, the 5c that ends metalwork 9, and with wire 12 anchor ingot in addition.

And in the rear end of hookup 10, also chimeric have a pressure-bearing metal spare as shown in Figure 6 13; There is the guide channel 11a that ends metalwork 9 with aforementioned door bolt form radial and concave indentation 13 of this pressure-bearing metal spares, and has

traction material

5a, 5b, 5c to insert wherein with the guide channel 13a of number.

During this kind of anchor ingot earth anchor, be as shown in Figure 1, the traction material 5a of variant tractive force or diameter, 5b, 5c around the

anchor ingot body

6a, 6b, the 6c that fasten into U font revolution shape with a bolt or latch, are equipped on different depth locations at anchor hole 1.

Secondly, this anchor hole 1 in, inject cement emulsion slurry, treat that sclerosis forms anchor body 4 after, from around fastening with a bolt or latch, in turn with the in addition tensioning of different pulling force in the anchor ingot body 6a of the extremely superficial part of traction material 5a of the anchor ingot body 6a in deep.

This pulling force is to be configured in advance: the boundary portion of each

anchor ingot body

6a, 6b, 6c, that is the shearing resistance of the anchor ingot body 6b leading section of the shearing resistance of the anchor ingot body 6a rearward end in deep and pars intermedia, and the shearing resistance of the shearing resistance of the anchor ingot body 6b rearward end of pars intermedia and the anchor ingot body 6c leading section of superficial part etc. respectively becomes same value, and the shearing resistance of anchor body 4 integral body can be evenly; And be 21tf with the pulling force of the anchor ingot body 6a in deep, the pulling force of the anchor ingot body 6b of pars intermedia is 18tf, the pulling force of the anchor ingot body 6c of superficial part is 15tf, comes each in addition tensioning anchor ingot.

Then, as above-mentioned, between the anchor ingot body 6c from the anchor ingot body 6a in deep to superficial part, come in addition tensioning anchor ingot with the corresponding pulling force of diameter with each

traction material

5a, 5b, 5c; Thus, can be as shown in Figure 1, remove the gap of the shearing resistance in the scope of each

anchor ingot body

6a, 6b, 6c, eliminate the difference of the shearing resistance in anchor body 4 total lengths, and make in addition serialization of integral body.

It is identical that the 2nd embodiment then makes and respectively draws

material

5a, 5b, 5c becomes diameter, and come tensioning in addition with variant pulling force; With aforementioned same, between the anchor ingot body 6c from the anchor ingot body 6a in deep to superficial part, the pulling force that diminishes with order comes in addition tensioning.

In the case, be 18ft with the pulling force of the anchor ingot body 6a in deep, the pulling force of pars intermedia 6b is 15ft, the pulling force of the anchor ingot body 6c of superficial part is that 12ft comes tensioning; Thus, can be as described above, separate the gap of the shearing resistance in the scope of disappear each

anchor ingot body

6a, 6b, 6c, eliminate the difference of the shearing resistance of anchor body 4 total lengths, make in addition serialization of integral body.

In addition, at present embodiment, Figure 1 and Figure 2 is to be set at 3 with

anchor ingot body

6a, 6b, 6c as the aforementioned; Only this also needn't be defined in 3 certainly, can correspondingly with pulling force select its number arbitrarily.

In addition, at present embodiment also with pulling force from around fastening with a bolt or latch in the traction material 5a of the anchor ingot body 6a in deep to around fastening with a bolt or latch in the traction material 5c of the anchor ingot body 6c of superficial part, diminished in turn; Have only can be on the contrary from around fastening with a bolt or latch in the traction material 5a of the anchor ingot body 6a in deep to around fastening with a bolt or latch in the traction material 5c of the anchor ingot body 6c of superficial part, is become in turn greatly, come in addition tensioning anchor ingot, also be feasible.

Because of each anchor ingot body that will set with different depth is respectively drawn material around what fasten into U font revolution shape with a bolt or latch, come in addition tensioning anchor ingot with variant pulling force in the anchor body; Can separate the gap of the shearing resistance in the scope of each anchor ingot body of the anchor body that disappears thus.

Also because of the difference of the shearing resistance that can eliminate anchor body 4 total lengths, with integral body serialization in addition; So can improve earth anchor anchor ingot (tightness) deciding efficient.

The explanation of numbering in the accompanying drawing

1 ... anchor hole, 2 ... prevent the landslide plate Chinese toon of using,

3 ... traction material pedestal, 4 ... the anchor body,

5a, 5b, 5c ... the traction material,

6a, 6b, 6c ... anchor ingot body.

Claims

1. the anchoring and pile method of an earth anchor, wherein: in the anchor body in the anchor hole that become of in ground, holing, be equipped with the anchor ingot body of several different depth position, also there is the traction material to turn round shape around fastening with a bolt or latch on it at this each anchor ingot body with the U font, with its end tensioning anchor ingot outside the opening of aforementioned anchor hole, it is characterized in that: will respectively be drawn material around what fasten into U font revolution shape with a bolt or latch at aforementioned each anchor ingot body, with variant pulling force tensioning anchor ingot in addition.

2. the anchoring and pile method of earth anchor as claimed in claim 1 is characterized in that: will around fasten with a bolt or latch in from the anchor ingot body in aforementioned deep to the diameter of the traction material of the anchor ingot body of side on hand, be set at different diameters respectively.