CN212772402U

CN212772402U - Hierarchical fender structure of huge wriggling accumulation body

Info

Publication number: CN212772402U
Application number: CN202020746670.9U
Authority: CN
Inventors: 徐建荣; 赖道平; 张春生; 彭育; 郭传科; 薛阳; 何世海; 郑惠峰; 何明杰
Original assignee: PowerChina Huadong Engineering Corp Ltd
Current assignee: PowerChina Huadong Engineering Corp Ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-03-23
Anticipated expiration: 2030-05-08

Abstract

The utility model discloses a hierarchical fender structure of huge wriggling accumulation body, including the steady rock mass, and cover the wriggling accumulation body above the steady rock mass, and lie in the steady rock mass with the base between the wriggling accumulation body covers the interface, be provided with the concrete friction pile that the multirow deepened in the steady rock mass on the wriggling accumulation body in grades; the slope toe part of the creeping accumulation body is piled with a slag accumulation body so as to improve the stability in the construction period. The utility model discloses the sediment is abandoned to make full use of engineering excavation and is pressed the slope, sets up the friction pile in grades, has both guaranteed stability, the safety of wriggling accumulation body construction period and permanent operation period, saves the engineering investment again.

Description

Hierarchical fender structure of huge wriggling accumulation body

Technical Field

The utility model belongs to the technical field of ground design, construction, concretely relates to hierarchical fender of huge creep and slide accumulation body protects structure.

Background

The western terrain and geological conditions in China are complex, and the treatment design and construction of the huge landslide deformation body are often faced in large-scale engineering and urban and rural construction. The scale of some landslide deformation bodies and accumulation bodies is huge, the volume reaches thousands of cubic meters, the area reaches several square kilometers, the creeping bottom interface of the landslide body is the contact surface of a bedrock and a covering layer, and the landslide control technology becomes a key technical problem for the planning and construction of major projects and towns. The effectiveness and the economy of the giant landslide accumulation body treatment method related to engineering construction relate to engineering construction schemes, investment, progress and even success or failure of the engineering. Some incomplete reinforcement treatment methods easily cause the deformation of the landslide body to be aggravated in the construction process or the operation process, or increase the engineering investment, so that the smooth promotion of the engineering construction is influenced.

Based on the above situation, the utility model provides a hierarchical fender structure of huge wriggling accumulation body can effectively solve above problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, an object of the present invention is to provide a graded guard structure for giant creeping accumulations. The construction method fully utilizes the waste slag of engineering excavation to press the slope, and the anti-slide piles are arranged in a grading manner, so that the stability and the safety of the construction period and the permanent operation period of the creeping accumulation body are ensured, and the engineering investment is saved.

The utility model discloses a following technical scheme realizes:

a graded retaining structure of a giant creeping accumulation body comprises a stable rock body, a creeping accumulation body covering the stable rock body and a base-covering interface positioned between the stable rock body and the creeping accumulation body, wherein a plurality of rows of concrete anti-slide piles penetrating into the stable rock body are arranged on the creeping accumulation body in a grading manner; the slope toe part of the creeping accumulation body is piled with a slag accumulation body so as to improve the stability in the construction period.

As a preferable technical solution, the concrete slide-resistant piles include a first row of slide-resistant piles, a second row of slide-resistant piles and a third row of slide-resistant piles which are sequentially arranged along the toe of the creeping deposition body.

As a more preferable technical scheme, the top of the concrete slide-resistant piles in at least one row is provided with a prestressed anchor cable, and the anchoring section of the prestressed anchor cable penetrates through the foundation-covering interface and is anchored into the stable rock mass.

As a preferred technical scheme, a drainage channel is formed by pouring the lower part of the slag heap body, and the collected water on the slope surface is drained in time.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the scale of the giant creeping accumulation body of the utility model exceeds one thousand cubic meters, the bottom sliding surface of the giant creeping accumulation body covers the contact interface as the base, and different secondary sliding surfaces are arranged inside the giant creeping accumulation body, and the giant creeping accumulation body is in a creeping deformation stage in a natural state. Adopt the technical scheme of the utility model, can effectively consolidate the accumulation body of this kind of geology characteristics, both guarantee the stability and the safety of side slope construction period, operation period, solve again and abandon the sediment stockpiling problem and save the engineering investment.

Drawings

Fig. 1 is a schematic view of the arrangement structure of the present invention;

FIG. 2 is a schematic cross-sectional view taken along the line A-A in FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along the line B-B in FIG. 1;

fig. 4 is a schematic sectional view taken along the direction C-C in fig. 1.

In the figure: 1-stabilizing the rock mass; 2-a creeping accumulation body; a 3-base coat interface; 4-concrete slide-resistant piles; 5-stacking a slag body; 6-prestressed anchorage cable; 7-arranging guide channels; 8-a building; 41-first row of slide-resistant piles; 42-second row of anti-slide piles; 43-third row of anti-slide piles.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example 1:

as shown in fig. 1 to 4, a stepped retaining structure of a giant creep accumulation body comprises a stable rock body 1, a creep accumulation body 2 covering above the stable rock body 1, and a foundation covering interface 3 positioned between the stable rock body 1 and the creep accumulation body 2, wherein a plurality of rows of concrete slide-resistant piles 4 extending into the stable rock body 1 are arranged on the creep accumulation body 2 in a stepped manner; the slope toe part of the creeping accumulation body 2 is piled with a slag piling body 5 to improve the stability in the construction period.

In this embodiment, the slag mound 5 is filled from the toe of the creeping deposition 2, and the stability during construction is improved to reduce the risk of safe construction of the first row of slide-resistant piles 41, the second row of slide-resistant piles 42, and the third row of slide-resistant piles 43.

In the embodiment, the concrete slide-resistant pile 4 is anchored into the stable rock mass 1 under the creeping accumulation body 2, firstly excavated according to the designed section, and then backfilled by reinforced concrete.

Further, in another embodiment, the concrete slide-resistant piles 4 comprise a first row of slide-resistant piles 41, a second row of slide-resistant piles 42 and a third row of slide-resistant piles 43 arranged in sequence up the toe of the creeping stack 2.

Further, in another embodiment, the top of the concrete slide-resistant piles 4 in at least one row is provided with prestressed anchor cables 6, and the anchoring sections of the prestressed anchor cables 6 pass through the foundation interface 3 and are anchored into the stable rock body 1. And prestressed anchor cables 6 can be arranged on other rows of anti-slide piles according to the structural stress condition. The inner anchoring section of the prestressed anchor cable is positioned in the stable rock body 1 below the base-covering interface 3, and the outer anchor head is arranged at the top of the concrete slide-resistant pile 4.

Further, in another embodiment, a drainage channel 7 is formed by pouring the lower part of the slag heap 5, and the slope catchment is drained in time.

The utility model provides a hierarchical comprehensive fender structure of huge wriggling accumulation body can be constructed according to following construction:

firstly, excavating outside an area which does not influence the stability of the creeping accumulation body 2, and piling and filling the waste slag at the lower part of the creeping accumulation body 2 to form a part of slag heaping body 5 so as to improve the stability of the creeping accumulation body 2 in the construction period;

then constructing a first row of anti-slide piles 41, a second row of anti-slide piles 42 and a third row of anti-slide piles 43 by pile skipping in two sequences;

finally, foundation excavation of the building 8 and filling of the slag heaping body 5 are continuously completed, and a drainage channel 7 is poured at the lower part of the slag heaping body 5.

According to the description and the drawings of the present invention, the skilled person can easily make or use the present invention for a graded guard structure of a giant creeping accumulation body, and can produce the positive effects described in the present invention.

Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims

1. The graded retaining structure of the giant creep accumulation body comprises a stable rock body (1), a creep accumulation body (2) covering the stable rock body (1), and a base covering interface (3) positioned between the stable rock body (1) and the creep accumulation body (2), and is characterized in that: a plurality of rows of concrete slide-resistant piles (4) which are deep into the stable rock body (1) are arranged on the creeping accumulation body (2) in a grading manner; the slope toe part of the creeping accumulation body (2) is piled with a slag accumulation body (5) to improve the stability in the construction period.

2. The graded guard structure of giant creep stacks of claim 1, characterized in that: the concrete slide-resistant piles (4) comprise a first row of slide-resistant piles (41), a second row of slide-resistant piles (42) and a third row of slide-resistant piles (43) which are sequentially arranged along the toe of the creeping accumulation body (2).

3. The graded guard structure of giant creep stacks of claim 1 or 2, characterized in that: the top of the concrete slide-resistant pile (4) in at least one row is provided with a prestressed anchor cable (6), and the anchoring section of the prestressed anchor cable (6) passes through the foundation-covering interface (3) and is anchored into the stable rock body (1).

4. The graded guard structure of giant creep stacks of claim 1, characterized in that: and pouring the lower part of the slag piling body (5) to form a drainage channel (7) so as to discharge the slope catchment in time.