CN115059099A

CN115059099A - Novel oblique anchor rope side slope supporting construction of rising

Info

Publication number: CN115059099A
Application number: CN202210941302.3A
Authority: CN
Inventors: 不公告发明人
Original assignee: Niu Baitong
Current assignee: Niu Baitong
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-09-16

Abstract

The utility model provides a novel oblique anchor rope side slope supporting construction of facing upward, as shown in fig. 1, it is facing upward oblique anchor rope free segment 1, it is facing upward oblique anchor rope anchor section 2, it is facing upward oblique anchor rope extension section 3, it is facing upward oblique anchor rope anchor section 4, pile bolck is connected 5, domatic supporting construction 7, ground line 8, ground tackle 9.

Description

Novel oblique anchor rope side slope supporting construction of rising

Technical Field

The invention belongs to the field of geotechnical engineering, and relates to a side slope supporting structure, in particular to a novel upward inclined anchor cable side slope supporting structure.

Background

In the field of slope support, a flexible slope protective net, a prestressed anchor cable frame and an anti-slide pile are widely applied, and particularly, the prestressed anchor cable plays a very key role in foundation pit support and landslide control engineering.

The prestressed anchor cable is anchored to the whole anchor cable through the prestressed anchor cable anchoring section arranged on the underground stable stratum, so that the traditional prestressed anchor cable is required to be inclined downwards to enable the prestressed anchor cable to penetrate through an unstable sliding body to enter the stable stratum as soon as possible to be anchored, the free end of the prestressed anchor cable penetrates through the sliding body, the upper end of the prestressed anchor cable is anchored on a slope engineering structure, and the following disadvantages are caused:

on one hand, when a steep dip angle sliding surface is generated on a deep foundation pit or a newly excavated slope surface, the component force of the pulling force generated by the downward inclined anchor cable on the sliding surface of the sliding body is very small, even possibly negative, so that the anti-sliding force generated by the downward inclination of the slope surface is very small, even the anti-sliding force is very easy to lose efficacy, and the treatment effect is very poor.

On the other hand, the free sections of the prestressed anchor cables distributed in the landslide body do not restrict the movement of the landslide body, so that the prestressed anchor cables only can act on the landslide body through the anti-skid engineering structure anchored on the ground surface, the load of the anti-skid engineering structure cannot be well reduced, the anti-skid engineering is large in size, and the manufacturing cost is high.

In order to solve the problems, a novel solution is provided for a suspension cable-shaped and diagonal-pulling-shaped composite flexible side slope anchoring structure (2021106450505, 2021212891924), and the defects of the traditional anchor cable are overcome by combining an oblique secondary anchor beam and slope engineering.

However, the above solution still has the following problems:

1. the secondary anchor beams are mainly distributed near the ground surface, and when the ground surface is poor in smoothness and large abrupt change occurs in the terrain, the anchor beams are difficult to span the abrupt change;

2. the secondary anchor beam is not provided with an anchoring section of the secondary anchor beam before being connected with the slope surface anti-skidding project of the front edge of the landslide, so that the reduction of the anti-skidding force of the slope surface anti-skidding project is limited;

3. the suspension cable-shaped and inclined pull-shaped anchor beams are not necessarily suitable for all projects, and part of deep foundation pit projects or slope projects do not have conditions.

Therefore, a new solution is needed to solve the above problems.

Disclosure of Invention

In order to achieve the purpose, the invention relates to a novel oblique anchor cable side slope supporting structure, which comprises the following specific contents:

the utility model provides a novel oblique anchor rope side slope supporting construction of facing upward, facing upward oblique anchor rope free segment 1, facing upward oblique anchor rope anchor section 2, facing upward oblique anchor rope extension segment 3, facing upward oblique anchor rope anchor section 4, pile top is connected 5, continuous pile 6, falls to the ground stake 61, domatic supporting construction 7, domatic supporting construction a71, ground line 8, ground tackle 9, span wire shape anchor beam 10.

The method is characterized in that: slope surface supporting construction 7 be connected with inclining upward inclined anchor rope anchoring section 2 through ground tackle 9, incline upward inclined anchor rope anchoring section 2 and incline upward inclined anchor rope free section 1 and link to each other, incline upward inclined anchor rope free section 1 and fix on pile bolck is connected 5, the other end that pile bolck is connected 5 links to each other with inclining upward inclined anchor rope extension section 3, incline upward inclined anchor rope extension section 3 realizes the anchor through inclining upward inclined anchor rope anchoring section 4.

One end of the pile top connection 5 is horizontally and vertically connected with a plurality of elevation inclined anchor cable free sections 1, and the other end of the pile top connection is connected with one or a plurality of elevation inclined anchor cable extension sections 3.

The oblique anchor cable extension section 3 arranged obliquely downwards is connected with the oblique anchor cable anchoring section 4, and the oblique anchor cable extension section 3 arranged horizontally is connected with a stable stratum through a suspension cable-shaped anchor beam 10 to realize anchoring.

The slope supporting structure a71 is a pile row or a continuous wall which is vertically arranged.

The continuous piles 6 are underground continuous walls or pile walls connected through a connecting structure, and can also be underground waterproof curtains implemented through a jet grouting pile process.

The ground piles 61 are separate piles.

The invention relates to a novel upward and oblique anchor cable side slope supporting structure, wherein an upward and oblique anchor cable anchoring section 2 for completing tensioning locking is further tensioned and locked through an anchorage device 9 arranged on the inner wall or slope surface of a foundation pit and is connected to a slope surface supporting structure 7, the other end of an upward and oblique anchor cable free section 1 connected to the upward and oblique anchor cable anchoring section 2 is fixed on a pile top connection 5 through an anchorage device, the other end of the pile top connection 5 is connected with an upward and oblique anchor cable extension section 3, the upward and oblique anchor cable extension section 3 which is horizontally arranged is connected with a suspension cable-shaped anchor beam 10 and is fixedly connected with a stable stratum through the suspension cable-shaped anchor beam 10, and the upward and oblique anchor cable extension section 3 which is obliquely and downwards arranged realizes anchoring through the upward and oblique anchor cable anchoring section 4.

The slope surface supporting structure a71 is a pile row or a continuous wall which is vertically arranged.

The ground piles 61 are separate piles.

The benefits of the invention are: by implementing a novel oblique anchor rope side slope supporting structure by stages, before the slope supporting structure 7 or slope supporting structure a71 is connected with the oblique anchor rope anchoring section 2, the oblique anchor rope anchoring section 2 is subjected to tensioning locking, the downward sliding load of the slope is effectively realized, and meanwhile, the upward tensioning property of the oblique prestressed anchor rope determines that the tension direction of the anchor rope is basically consistent with the direction of slope body damage sliding, so that the efficiency of resisting landslide thrust is greatly improved.

Drawings

FIG. 1 is a schematic cross-sectional layout of the present invention;

FIG. 2 is a schematic plan view of a novel oblique anchor cable side slope support structure;

FIG. 3 is a schematic plan view of the embodiment 2;

FIG. 4 is a schematic cross-sectional layout view of the embodiment 3;

FIG. 5 is a schematic plan view of the embodiment 3;

FIG. 6 is a schematic cross-sectional layout view of the preferred embodiment 4;

FIG. 7 is a schematic plan view of the embodiment 4;

FIG. 8 is a schematic cross-sectional layout of examples 5 and 6;

FIG. 9 is a schematic plan view of the embodiment 5;

FIG. 10 is a schematic plan view of the embodiment 6;

in the figure: the anchor cable comprises an upward inclined anchor cable free section 1, an upward inclined anchor cable anchoring section 2, an upward inclined anchor cable extending section 3, an upward inclined anchor cable anchoring section 4, pile top connection 5, continuous piles 6, ground piles 61, a slope surface supporting structure 7, a slope surface supporting structure a71, a ground line 8, an anchorage device 9 and a suspension cable-shaped anchor beam 10.

Detailed Description

The structure and the advantageous effects of the present invention will be further described with reference to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, and fig. 10.

Example 1

The utility model provides an application of novel oblique anchor rope side slope supporting construction of lying on back in deep basal pit, its structure and implementation step are as follows:

as shown in fig. 1 and 2, continuous piles 6 are first implemented, with the top of the piles connecting 5 the oblique anchor line extension 3 and the oblique anchor line anchoring 4.

And further finishing the construction of the elevation and inclination anchor cable free section 1 and the elevation and inclination anchor cable anchoring section 2.

Further, the pile top connection 5 is used for tensioning and locking the oblique prestressed anchor cable.

Further, excavation of the foundation pit is performed, and construction of the slope surface supporting structure 7 is performed.

And finally, further tensioning and locking the oblique anchor cable anchoring section 2 through an anchorage device 9.

Example 2

As shown in fig. 1 and 3, a deep foundation pit embodiment of a novel oblique anchor cable slope supporting structure in a water-deficient or water-deficient area;

the ground pile 61 is a separate pile, and other structures and implementation steps are the same as those of embodiment 1.

Example 3

As shown in fig. 4 and 5, a novel oblique anchor cable side slope supporting structure is an embodiment of a deep foundation pit excavation support in a water-rich area;

the slope surface supporting structure a71 is implemented in the design, the foundation pit wall is a vertical continuous pile wall, and other structures and implementation steps are the same as those of the embodiment 1.

Example 4

As shown in fig. 6 and 7, in the embodiment of the novel oblique anchor cable side slope supporting structure for excavation supporting of deep foundation pits in a multi-water area, the oblique anchor cable extension sections 3 are horizontally arranged, anchoring is realized by connecting the suspension cable-shaped anchor beams 10 with a stable stratum, and other structures and implementation steps are the same as those in embodiment 3.

Example 5

As shown in fig. 8 and 9, in an embodiment of a novel oblique anchor cable side slope supporting structure for excavation supporting in deep foundation pits in a water-rich area, the oblique anchor cable extension sections 3 are horizontally arranged, anchoring is realized by connecting suspension cable-shaped anchor beams 10 with a stable stratum, and other structures and implementation steps are the same as those in embodiment 1.

Example 6

As shown in fig. 10 and 8, in an embodiment of a novel oblique anchor cable side slope supporting structure for excavation supporting of a deep foundation pit in a water-deficient or water-deficient area, the oblique anchor cable extension section 3 is horizontally arranged, and is connected with a stable stratum through a suspension cable-shaped anchor beam 10 to realize anchoring, and other structures and implementation steps are the same as those in embodiment 2.

Claims

1. A novel oblique anchor rope side slope supporting structure comprises an oblique anchor rope free section (1), an oblique anchor rope anchoring section (2), an oblique anchor rope extending section (3), an oblique anchor rope anchoring section (4), pile top connections (5), continuous piles (6), ground piles (61), a slope supporting structure (7), a slope supporting structure a (71), a ground line (8), an anchorage device (9) and a suspension cable-shaped anchor beam (10);

the method is characterized in that: the slope surface supporting structure (7) is connected with the elevation-inclination anchor rope anchoring section (2) through an anchorage device (9), the elevation-inclination anchor rope anchoring section (2) is connected with the elevation-inclination anchor rope free section (1), the elevation-inclination anchor rope free section (1) is fixed on the pile top connection (5), the other end of the pile top connection (5) is connected with the elevation-inclination anchor rope extension section (3), and the elevation-inclination anchor rope extension section (3) realizes anchoring through the elevation-inclination anchor rope anchoring section (4);

one end of the pile top connection (5) is horizontally and vertically connected with a plurality of elevation-inclination anchor cable free sections (1), and the other end of the pile top connection is connected with one or more elevation-inclination anchor cable extension sections (3);

the slope surface supporting structure a (71) is a pile row or a continuous wall which is vertically arranged;

the ground pile (61) is an independent pile.

2. The novel oblique anchor rope side slope supporting structure of claim 1, characterized in that: the oblique anchor cable extension section (3) which is obliquely and downwards arranged is connected with the oblique anchor cable anchoring section (4), and the oblique anchor cable extension section (3) which is horizontally arranged is connected with a stable stratum through a suspension cable-shaped anchor beam (10) to realize anchoring.

3. The novel oblique anchor rope side slope supporting structure of claim 1, characterized in that: the continuous piles (6) are underground continuous walls or pile walls connected through a connecting structure, or underground waterproof curtains implemented through a jet grouting pile process.