CN217078757U

CN217078757U - Combined steel plate anchoring body

Info

Publication number: CN217078757U
Application number: CN202121446679.9U
Authority: CN
Inventors: 李若尧
Original assignee: Fujian Construction Textile Design Institute Co ltd
Current assignee: Fujian Construction Textile Design Institute Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-07-29
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a combined steel plate anchoring body, which is arranged in the soil body at the side of a foundation pit to be anchored and comprises a supporting wall and an anchoring assembly, wherein the supporting panel is driven into the side of the foundation pit to be excavated one by arranging a plurality of supporting panels, the anchoring holes at the two sides of each supporting panel are mutually laminated, the supporting wall is formed by staggered arrangement and mutual lamination, the anchoring assembly passes through an anchoring channel, so that the outer side plate surface of the supporting panel at the tensioning outer side of an anchor rope is expanded, the soil body below an ancient tree or an ancient tomb is expanded, the inner side plate surface of the supporting panel is formed into a tightly adhered supporting wall structure, the manufacturing and construction difficulty is low, the water retaining and soil retaining effects are stable, and after the foundation pit is processed, the supporting panel can be pulled out, the subsequent growth of the ancient tree is prevented from being influenced, compared with the supporting panel of the adhered structure, the retaining wall adopts a filling pile and a clamping groove plug-in type retaining wall, the frictional force reduces, and the structure that corresponds the anchor assembly is simpler, and it is lower to dismantle the degree of difficulty, and it is higher to disassemble efficiency.

Description

Combined steel plate anchoring body

Technical Field

The utility model relates to a civil engineering technical field, in particular to modular steel sheet anchor body.

Background

With the increasing construction technology of building structures, the technology of foundation pit engineering is also continuously updated in order to make the technical indexes of the foundation meet higher and higher design requirements.

Along with the continuous increase of urbanization construction range, in the construction process, ancient trees or ancient tomb structures which are difficult to move often exist at the periphery of a building area, and in the basement foundation pit excavation process, the ancient trees and the ancient tombs are protected and the economic effect is improved. The core idea of protection lies in the soil and water conservation around ancient tomb of ancient tree, and the foundation pit support form that is used for the protection at present mainly has several following:

1. when the distance between the ancient trees and the basement is large, a row of closed water-stop soil-retaining curtains are constructed firstly along the side, close to the foundation pit, of the ancient trees, soil nailing walls are adopted for spray anchoring support in the range of the ancient trees, and soil nailing is anchored below the roots and at the periphery of the ancient trees so as to achieve slope stability;

2. when the ancient trees are close to the basement and cannot be set on a slope, the design consideration is to keep the soil body on which the ancient trees live at the periphery, a pile anchor supporting system is adopted, high-pressure jet grouting piles are adopted among piles to keep water and soil, and the supporting piles are lifted to the ground surface.

However, the above processes all adopt a cast-in-place pile structure, a large amount of waste slurry is used in the casting process, the slurry can disturb and damage the roots of the trees in the water and soil on the earth surface and the high-pressure pile forming process, the cost is high, and the formed water-stop soil-retaining curtain is converted into construction waste after the foundation pit is backfilled, so that the development of the roots of the ancient trees to the side of the foundation pit and the water absorption are hindered, and the original living environment of the ancient trees is damaged.

SUMMERY OF THE UTILITY MODEL

Therefore, a combined steel plate anchoring body needs to be provided to solve the problems that in the prior art, mud pollutes earth surface water and soil, the disturbance and the damage to the tree roots obstruct the development of the ancient tree root system to the foundation pit side and the water absorption, and the original living environment of the ancient tree and the surrounding environment of the ancient tomb are damaged.

In order to achieve the above object, the inventor provides a combined steel plate anchoring body, which is arranged in a soil body on the side of an object to be anchored and comprises a supporting wall and an anchoring assembly;

the supporting wall comprises more than two supporting panels, more than two anchoring holes are formed in the two sides of the surface of each supporting panel in the height direction, the surfaces of the side edges of the two adjacent supporting walls are mutually attached, and the anchoring holes are mutually overlapped and communicated to form an anchoring channel;

the anchoring assembly comprises a fixing piece, an anchor cable and a wallboard anchoring piece, the fixing piece is assembled in a soil body, one end of the anchor cable is detachably connected with the fixing piece, the other end of the anchor cable penetrates through the anchoring channel and is connected with the wallboard anchoring piece, and the wallboard anchoring piece is contacted with the supporting panel.

Further, the side of supporting panel is equipped with the groove of stepping down, the thickness dimension in groove of stepping down and supporting panel thickness dimension looks adaptation, adjacent supporting panel is through the mutual releasable connection in groove of stepping down.

Further, the anchoring assembly further comprises a backing plate, and the backing plate is arranged between the wallboard anchoring part and the supporting wall.

Furthermore, the top surface of the supporting wall is 500mm-1000mm higher than the elevation of the soil body of the object to be anchored.

Furthermore, a foundation pit is arranged on one side of the supporting wall, and the bottom surface of the supporting wall is lower than the elevation of the foundation pit by 1000 mm.

Further, the angle between the anchor cable and the surface of the soil body of the object to be anchored is 20-35 degrees.

Further, the clearance of the anchoring holes in the height direction of the supporting panel is 1500-.

Furthermore, the anchoring holes on the two sides of the supporting panel are arranged on the two sides of the soil body right below the object to be anchored.

Further, the bottom of the supporting panel is of a wedge-shaped structure.

Different from the prior art, the technical scheme has the following advantages: by arranging a plurality of supporting panels, the supporting panels are driven into the side of a foundation pit to be excavated one by one, anchoring holes at two sides of each supporting panel are mutually attached, the supporting panels are arranged in a staggered manner and are mutually attached to form a supporting wall, an anchoring assembly passes through an anchoring channel and is driven into an ancient tomb or a soil body below the ancient tomb and is fixed on the supporting panels through an anchoring part, so that the outer side plate surface of the supporting panel at the outer side of the tensioning of an anchor rope is expanded, the soil body below the ancient tree or the ancient tomb is expanded, a tightly-attached supporting wall structure is formed on the inner side plate surface of the supporting panel, the manufacturing and construction difficulty is low, the water retaining and soil retaining effects are stable, the supporting panels can be pulled out after the foundation pit treatment is completed, the subsequent growth of the ancient tree is prevented from being influenced, compared with the supporting panels of the attaching structure, the friction force is reduced, the structure corresponding to the anchoring assembly is simpler, and the disassembly difficulty is lower, the disassembling efficiency is higher.

Drawings

Fig. 1 is a schematic side sectional structural view of a combined steel plate anchor according to an embodiment of the present invention;

fig. 2 is a schematic view of a forward structure of a combined steel plate anchor according to an embodiment of the present invention;

fig. 3 is a schematic top view of the combined steel plate anchor according to the embodiment of the present invention.

Description of reference numerals:

10. supporting a protecting wall;

11. a support panel; 12. an anchoring hole; 13. an anchoring channel;

20. an anchoring assembly;

21. a fixing member; 22. an anchor cable; 23. wall plate anchoring; 24. a base plate;

30. a foundation pit;

40. the object to be anchored.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1 to 3, the present embodiment discloses a combined steel plate anchor, which is disposed in a soil body on a side of an object to be anchored 40 (in the present embodiment, the object to be anchored may be a tree or a ancient tomb structure), and includes a supporting wall 10 and an anchor assembly 20. The supporting wall 10 is composed of more than two supporting panels 11, and the number, size and overlapping area of the supporting panels 11 can be comprehensively judged according to the depth of a foundation pit and the condition of a soil body below an object to be anchored. The two sides of the plate surface of the supporting panel 11 are arranged along the height direction and provided with more than two anchoring holes 12, the anchoring holes 12 penetrate through the two plate surfaces of the supporting panel 11, the plate surfaces of the two adjacent supporting walls 10 are mutually attached, and the anchoring holes 12 are mutually overlapped and communicated to form an anchoring channel 13. The anchoring assembly 20 comprises a fixing piece 21, an anchor rope 22 and a wall plate anchoring piece 23, wherein the fixing piece 21 is assembled in the soil body, one end of the anchor rope 22 is detachably connected with the fixing piece 21, the other end of the anchor rope 22 penetrates through the anchoring channel 13 and is connected with the wall plate anchoring piece 23, and the wall plate anchoring piece 23 is in contact with the supporting panel 11.

According to the structure, in the construction and use process of the combined type steel plate anchoring body, constructors squeeze supporting panels into a soil body on one side of an object to be anchored one by one, and in the process of squeezing the supporting panels, one side of the next supporting panel is provided with the position of the anchoring hole, the position of the anchoring hole is opposite to the anchoring hole on one side of the previously squeezed supporting panel in the height direction, and then the supporting panels are squeezed into the soil body. And then, a fixing hole required by the anchoring assembly is formed in the soil body below the object to be anchored through the anchoring channel and drilling equipment. And then, the fixing piece is placed into the fixing hole, one end part of the anchor cable extends into the fixing hole and is fixed on the fixing piece, and the other end part of the anchor cable penetrates out of the anchoring channel of the supporting panel and is fixed on the supporting panel through a wallboard anchoring piece. And (4) corresponding the anchoring assemblies to the anchoring channels of the supporting panel one by one along the height direction to finish the manufacture of the supporting wall on one side.

In some preferred embodiments, the side edge of the supporting panel is provided with a yielding groove arranged along the height direction, the thickness dimension of the yielding groove is matched with that of the supporting panel, and adjacent supporting panels are detachably connected with each other through the yielding groove. In the assembling process, the supporting walls facing two different directions in the soil body below the anchor meet at one corner and are staggered, the staggered supporting panels are mutually inserted through the receding grooves in the height direction which are respectively arranged, receding is achieved, and the supporting walls with included angles can be receded and fixed at staggered positions by continuously driving into the soil body, so that the function of fixing the soil body around the anchor is achieved. In other preferred embodiments, the supporting panels can be bent at the junction of the two supporting walls, and the bent supporting panels are attached and fixed to each other, so that the supporting panels are driven into the soil to realize fixation.

Referring to FIG. 1, in certain preferred embodiments, the anchoring assembly 20 further includes a backing plate 24, the backing plate 24 being disposed between the wallboard anchor 23 and the supporting wall. The backing plate can be made of steel. During assembly, the backing plate is attached to the anchoring hole of the supporting panel, the anchor cable penetrates through a preset through hole in the backing plate and is tensioned and locked on the wallboard anchoring piece, the wallboard anchoring piece is tightly attached to the backing plate, and the backing plate is tightly attached to the periphery of the anchoring hole of the supporting panel. Through setting up the backing plate, set up between wallboard anchor assembly and the buttress wall, the lifting surface area when can increase anchor assembly anchor in the anchor hole of buttress wall, supporting panel improves the stability of anchor, and makes things convenient for the operation of fixing to wallboard anchor assembly in the work progress.

Referring to fig. 1, in some preferred embodiments, the top surface of the retaining wall 10 is 500mm-1000mm higher than the elevation of the soil body of the object 40 to be anchored. Through setting up and being higher than 500 mangling of waiting anchor soil body elevation 1000 mm's a retaining wall, avoid the soil body to extrude by a retaining wall top surface or the rainwater overflows a retaining wall top surface, cause and wait anchor region soil erosion and water loss to and foundation ditch position inflow soil and water, cause the influence on the construction.

Referring to fig. 1, in some preferred embodiments, a foundation pit 30 is formed on one side of the supporting wall 10, and the bottom surface of the supporting wall 10 is 1000mm lower than the foundation pit 30. By arranging the supporting wall structure lower than the standard height of the bottom surface of the foundation pit, the stability of the soil body below the object to be anchored and the bottom of the supporting wall structure can be ensured during foundation pit construction.

Referring to fig. 1, in certain preferred embodiments, the anchor lines 22 are angled at 20-35 degrees relative to the surface of the earth to be anchored 40. The included angle of 20-35 degrees is set, and the included angle is larger than 20 degrees, so that the root system of the ancient tree is avoided; and the horizontal component force is ensured when the temperature is less than 35 ℃, and the deformation of the supporting structure is reduced.

Referring to fig. 1, in some preferred embodiments, the gap between the anchoring holes 12 in the height direction of the supporting panel 11 is 1500-2500 mm.

Referring to fig. 2, in some preferred embodiments, the anchoring holes 12 on both sides of the supporting panel 11 are disposed on both sides of the soil body under the object to be anchored 40. By arranging the anchoring holes at two sides of the soil body right below the object to be anchored, intensive root systems right below the plants and a main storage space right below the ancient tomb can be avoided in the process of drilling and anchoring, and the structural damage to the ancient tomb is avoided.

In the above embodiments, the size of the wall plate anchoring member may be larger than the size of the anchoring hole, and the wall plate anchoring member and the anchor cable are fixed in a bundling, workpiece locking or welding manner.

In some preferred embodiments, the bottom of the support panel is of a wedge-shaped structure. The bottom structure of the supporting panel with the wedge-shaped structure is convenient for the soil body to be driven into the supporting panel.

The construction steps of the combined steel plate anchoring body are as follows:

step 1, aligning the center of a supporting panel to an object to be anchored through equipment, and driving the supporting panel into a soil body;

step 2, driving a support panel into one side of the previous support panel, and attaching the side faces of the two support panels to each other;

step 3, overlapping the anchoring holes of two adjacent supporting panels to form an anchoring channel;

step 4, arranging the support panels which are mutually attached one by one to form a support wall;

step 5, excavating a soil body on one surface of the supporting wall downwards along the height direction to form a foundation pit until the first row of anchoring channels are exposed;

step 6, drilling equipment penetrates through the anchoring channel and digs a hole into the soil body below the object to be anchored on the other side of the supporting wall;

step 7, pulling out the drilling equipment and putting the fixing piece into the drilling equipment;

step 8, connecting one end of the anchor cable with the fixing piece;

step 9, fixing the other end of the anchor cable on the surface of the supporting panel on one side, facing the foundation pit, of the supporting wall through a wallboard anchoring part;

step 10, after the first row of anchoring channels are fixed, continuously excavating soil on one surface of the supporting wall downwards until the next row of anchoring channels are exposed;

and 11, repeating the steps 6 to 10 until all the anchoring channels are fixed.

Through the construction steps, the anchoring channels are excavated row by row in the height direction of the supporting wall, the anchoring holes arranged row by row in the height direction are matched, the formed anchoring channels are overlapped, the anchoring channels are drilled and fixed by the anchoring assembly, and the supporting panel during excavation of the foundation pit directly has the soil retaining capability of the foundation pit and the soil fixing capability of the object to be anchored.

In the above steps, when the support panel is disassembled, the connection between the wallboard fixing piece and the anchor cable can be cut or disassembled, and the support panel is disassembled and pulled out, so that the support panel can be conveniently reused.

In the above embodiment, a plurality of supporting panels constitute a supporting wall structure.

In the above embodiment, the fixing member may be fixed in a form of grouting and curing after drilling, and the anchor cable structure may be directly left in the soil body during disassembly.

It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the scope of the present invention.

Claims

1. A combined steel plate anchoring body is arranged in a soil body on the side of an object to be anchored and is characterized by comprising a supporting wall and an anchoring assembly;

the supporting wall comprises more than two supporting panels, more than two anchoring holes are formed in the two sides of the surface of each supporting panel in the height direction, the surfaces of the side edges of two adjacent supporting walls are mutually attached, and the anchoring holes are mutually overlapped and communicated to form an anchoring channel;

2. The combined steel plate anchor of claim 1, wherein the side of the supporting panel is provided with an abdicating groove, the thickness dimension of the abdicating groove is matched with that of the supporting panel, and the adjacent supporting panels are detachably connected with each other through the abdicating groove.

3. The modular steel plate anchor of claim 1, wherein the anchor assembly further comprises a backing plate disposed between the wallboard anchor and the buttress wall.

4. The modular steel plate anchor of claim 1, wherein the top surface of the supporting wall is 500mm-1000mm higher than the elevation of the soil body of the object to be anchored.

5. The modular steel plate anchor of claim 1, wherein a foundation pit is formed on one side of the supporting wall, and the bottom surface of the supporting wall is 1000mm lower than the elevation of the foundation pit.

6. The modular steel plate anchor of claim 1, wherein the angle between the anchor line and the surface of the object to be anchored is 20-35 degrees.

7. The modular steel plate anchor of claim 1, wherein the clearance of the anchor holes in the height direction of the supporting panel is 1500-.

8. The modular steel plate anchor of claim 1, wherein the anchor holes on both sides of the supporting panel are disposed on both sides of the soil body directly under the object to be anchored.

9. The modular steel plate anchor of claim 1, wherein the bottom of the shoring panel is of a wedge-shaped configuration.