阅读说明：本技术 抗滑波形钢管桩 (Anti-slip corrugated steel pipe pile ) 是由 赵建华 于 2021-09-10 设计创作，主要内容包括：本发明涉及一种抗滑波形钢管桩,包括多排设于膨胀性岩土体滑动方向的波形钢管组,每排波形钢管组均由若干波形钢管以一定的间隙排列构成,相邻排列的波形钢组相错,一排波形钢管组的波形钢管与另一排波形钢管组的间隙相对,每根波形钢管的下部埋设于滑床内,波形钢管内填充回填物；本发明多排波形钢管组插空布置构成一个抗滑坡立体阵列,在波形钢管内灌注填充物使其极其坚固,比起普通的钢管桩抗变形能力大大提升；本发明整个抗滑坡阵列的受力性能良好,大大提升了易滑坡段的抗滑能力和抗落石冲击的能力。(The invention relates to an anti-sliding corrugated steel pipe pile, which comprises a plurality of rows of corrugated steel pipe groups arranged in the sliding direction of an expansive rock-soil body, wherein each row of corrugated steel pipe groups is formed by arranging a plurality of corrugated steel pipes at certain gaps; the multi-row corrugated steel pipe groups are arranged in a hollow insertion mode to form a landslide-resistant three-dimensional array, fillers are poured into the corrugated steel pipes to enable the corrugated steel pipes to be extremely firm, and the deformation resistance of the corrugated steel pipes is greatly improved compared with that of a common steel pipe pile; the whole landslide resisting array has good stress performance, and the anti-skidding capacity and the anti-rockfall impact capacity of the easy-to-slide slope section are greatly improved.)

1. The anti-slip corrugated steel pipe pile is characterized by comprising a plurality of rows of corrugated steel pipe groups arranged in the sliding direction of the expansive rock-soil body, wherein each row of corrugated steel pipe groups is formed by arranging a plurality of corrugated steel pipes at certain intervals, the adjacent arranged corrugated steel groups are staggered, the corrugated steel pipes of one row of corrugated steel pipe group are opposite to the intervals of the other row of corrugated steel pipe groups, the lower part of each corrugated steel pipe is embedded in a sliding bed, and backfill materials are filled in the corrugated steel pipes.

2. The slip-resistant corrugated steel pipe pile according to claim 1, wherein the corrugated steel pipe groups in a single row are arranged in a straight line, a curved line or a broken line.

3. The anti-slip corrugated steel pipe pile according to claim 2, wherein the corrugated steel pipe groups are arranged in two rows, the gap between adjacent corrugated steel pipes of a single row of corrugated steel pipe groups is L, the diameter of the corrugated steel pipe is D, the distance between the two rows of corrugated steel pipe groups is smaller than L, and D is larger than or equal to 2 and smaller than or equal to 6.

4. The anti-slip corrugated steel pipe pile according to claim 2, wherein the corrugated steel pipe groups are arranged in three rows, the gap between adjacent corrugated steel pipes of a single row of corrugated steel pipe groups is L, the diameter of the corrugated steel pipe is D, the distance between two rows of corrugated steel pipe groups is less than 2L, and D is greater than or equal to 3 and less than or equal to 10.

5. The anti-slip corrugated steel pipe pile according to claim 2, wherein the corrugated steel pipe groups are arranged in four rows, the gap between adjacent corrugated steel pipes of a single-row corrugated steel pipe group is L, the diameter of the corrugated steel pipe is D, the distance between two rows of corrugated steel pipe groups is less than 2L, and D is more than or equal to 4 and less than or equal to 14.

6. The anti-slip corrugated steel pipe pile according to any one of claims 3 to 5, wherein a plurality of corrugated steel plates are connected to one side of at least one row of corrugated steel pipe groups close to the sliding direction of the expansive rock-soil mass to form a corrugated steel retaining plate, the lower part of the corrugated steel retaining plate is embedded in the sliding bed, and the upper end of the corrugated steel retaining plate is not lower than the corrugated steel pipes.

7. The anti-slip corrugated steel pipe pile according to claim 6, wherein the backfill filled in the corrugated steel pipe is concrete mortar.

8. The anti-slip corrugated steel pipe pile according to claim 7, wherein a plurality of sets of horizontal reinforcing ribs are provided on one surface of the corrugated steel retaining plate adjacent to the expansive rock-soil mass.

9. The slip-resistant corrugated steel pipe pile according to claim 8, wherein the corrugated steel plates are stacked via crests and troughs and then bolted, welded or flanged to form a corrugated steel retaining plate.

10. The slip-resistant corrugated steel pipe pile according to claim 9, wherein the corrugations of the corrugated steel retaining plate and the corrugations of the corrugated steel pipe are both in a horizontal direction and have the same waveform, and the corrugated steel retaining plate and the corrugations of the corrugated steel pipe are closely attached and fixed by bolts or welding.

Technical Field

The invention relates to the field of landslide prevention and control, in particular to an anti-slip corrugated steel pipe pile.

Background

The landslide refers to the action and phenomenon that a certain part of rock and soil on a mountain slope generates shearing displacement along a certain weak structural plane (belt) under the action of gravity (including the gravity of the rock and soil and the dynamic and static pressure of underground water) and integrally moves to the lower part of the slope. Commonly known as 'mountain walking', 'mountain collapse', 'ground slip', 'earth slip', etc., are one of the common geological disasters.

In areas with many mountainous areas, various landslide disasters such as collapse, cracking, barricade dislocation and the like are easy to occur after railways or roads are built, particularly debris flows caused by earthquakes and heavy rain, so that rapid emergency rescue becomes an urgent task, most of the existing road landslide emergency repair methods are measures such as cast-in-place concrete retaining walls, anchor rod supports, concrete cast-in-place piles and the like, the period is long, the construction process is complex, a large construction field is needed, great disturbance is caused to landslide, and secondary landslide is easy to cause.

Disclosure of Invention

The invention aims to solve the technical problem of providing an anti-slip corrugated steel pipe pile so as to overcome the defects of high construction difficulty, poor anti-slip capability and the like of anti-slip pile facilities in landslide control engineering in the prior art.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

an anti-slip corrugated steel pipe pile comprises a plurality of rows of corrugated steel pipe groups arranged in the sliding direction of an expansive rock-soil body, each row of corrugated steel pipe groups is formed by arranging a plurality of corrugated steel pipes at certain gaps, the adjacent arranged corrugated steel groups are staggered, the corrugated steel pipes of one row of corrugated steel pipe groups are opposite to the gaps of the other row of corrugated steel pipe groups, the lower part of each corrugated steel pipe is embedded in a sliding bed, and backfill materials are filled in the corrugated steel pipes.

Furthermore, the single-row corrugated steel pipe groups are arranged in a straight line, a curve line or a broken line.

Furthermore, the wave-shaped steel pipe groups are arranged in two rows, the gap between adjacent wave-shaped steel pipes of a single-row wave-shaped steel pipe group is L, the diameter of the wave-shaped steel pipe is D, the distance between the two rows of wave-shaped steel pipe groups is smaller than L, and D is larger than or equal to 2 and smaller than or equal to 6.

Furthermore, the corrugated steel pipe groups are arranged in three rows, the gap between adjacent corrugated steel pipes of a single-row corrugated steel pipe group is L, the diameter of each corrugated steel pipe is D, the distance between two rows of corrugated steel pipe groups is less than 2L, and D is more than or equal to 3 and less than or equal to 10.

Furthermore, the corrugated steel pipe groups are arranged in four rows, the gap between adjacent corrugated steel pipes of a single-row corrugated steel pipe group is L, the diameter of each corrugated steel pipe is D, the distance between two rows of corrugated steel pipe groups is less than 2L, and D is more than or equal to 4, and L is less than or equal to 14.

Furthermore, one side of at least one row of corrugated steel pipe groups, which is close to the sliding direction of the expansive rock-soil mass, is connected with a plurality of corrugated steel plates to form a corrugated steel retaining plate, the lower part of the corrugated steel retaining plate is embedded in the sliding bed, and the upper end of the corrugated steel retaining plate is not lower than the corrugated steel pipes.

Furthermore, the backfill filled in the corrugated steel pipe is concrete mortar.

Furthermore, one surface of the corrugated steel retaining plate, which is close to the expansive rock-soil mass, is provided with a plurality of groups of reinforcing ribs in the horizontal direction.

Furthermore, the corrugated steel plates are stacked through wave crests and wave troughs and then bolted, welded or connected through flanges to form the corrugated steel retaining plate.

Furthermore, the ripple of ripple steel fender soil board is horizontal and the wave form is the same with the ripple of wave form steel pipe, and ripple steel fender soil board closely laminates with the ripple of wave form steel pipe, through bolted connection or welded fastening.

Compared with the prior art, the invention has the beneficial effects that:

the multi-row corrugated steel pipe groups are arranged in a hollow insertion mode to form a landslide-resistant three-dimensional array, fillers are poured into the corrugated steel pipes to enable the corrugated steel pipes to be extremely firm, and the deformation resistance of the corrugated steel pipes is greatly improved compared with that of a common steel pipe pile; the whole landslide resisting array has good stress performance, and the anti-skidding capacity and the anti-rockfall impact capacity of the easy-to-slide slope section are greatly improved.

The corrugated steel retaining plate and the corrugated steel pipe group have the same waveform, the corrugated steel retaining plate can be pre-assembled in a factory, and the corrugated steel retaining plate and the corrugated steel pipe group are fixed after being embedded in a construction site, so that the construction is simple and rapid, the installation is compact and firm, the landslide resistance is further improved, and the economic benefit is remarkable.

Drawings

FIG. 1 is a schematic view of the overall structure of the corrugated steel pipe of the present invention;

FIG. 2 is a schematic view showing the overall structure of a deck plate according to the present invention;

FIG. 3 is a plan view of a corrugated steel pipe section according to example 1 of the present invention;

FIG. 4 is a perspective view showing the use state of embodiment 1 of the present invention;

FIG. 5 is a top plan view of a corrugated steel pipe section according to example 2 of the present invention;

FIG. 6 is a plan view of a combination of a corrugated steel pipe group and a corrugated steel soil guard according to example 4 of the present invention;

FIG. 7 is a schematic perspective view of example 4 of the present invention;

in the figure, 1-expansive rock-soil mass, 2-sliding bed, 3-corrugated steel pipe, 4-concrete mortar, 5-corrugated steel plate and 6-corrugated steel retaining plate.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances.

Example 1:

referring to fig. 3 and 4, the anti-slip corrugated steel pipe pile comprises two rows of corrugated steel pipe groups arranged in the sliding direction of the expansive rock-soil mass 1, each row of corrugated steel pipe groups is formed by arranging a plurality of corrugated steel pipes 3 at certain intervals, the number of the corrugated steel pipes 3 in each row of corrugated steel pipe groups is determined according to the length of the anti-slip surface, and the corrugated steel pipes 3 of the two rows of corrugated steel pipe groups are staggered and inserted into spaces, namely: the gaps between the corrugated steel pipes in the first row and the corrugated steel pipes in the second row are opposite, the lower part of each corrugated steel pipe is embedded in the sliding bed 2, and the corrugated steel pipes 3 are filled with backfill, wherein the backfill is concrete mortar 4 in the embodiment.

In this embodiment, the corrugated steel pipes 3 of the single row of corrugated steel pipe groups are arranged in a straight line at a certain interval, the two rows of corrugated steel pipes form a 2 × N rectangular array, in other embodiments, the single row of corrugated steel pipe groups can form a curved line arrangement or a zigzag line arrangement according to the shape of the anti-slip surface, and in short, one surface of the single row of corrugated steel pipe groups close to the expansive rock-soil body forms the anti-slip surface.

Referring to fig. 1, in the present embodiment, the waveform of the corrugated steel pipe 3 is horizontal, the diameter of a single corrugated steel pipe 3 is 80mm, the distance between adjacent corrugated steel pipes of a single row of corrugated steel pipe groups is 480mm, and the distance between two rows of corrugated steel pipe groups is 300 mm.

Example 2:

referring to fig. 5, an anti-slip corrugated steel pipe pile comprises three rows of corrugated steel pipe groups arranged in the sliding direction of an expansive rock-soil body, each row of corrugated steel pipe groups is formed by arranging a plurality of corrugated steel pipes 3 at certain intervals, the number of the corrugated steel pipes 3 in each row of corrugated steel pipe groups is determined according to the length of an anti-slip surface, and every two corrugated steel pipes 3 of the three rows of corrugated steel pipe groups are staggered and inserted into a space, namely: the gaps between the corrugated steel pipes 3 of the first row and the corrugated steel pipes 3 of the second row are opposite, the gaps between the corrugated steel pipes 3 of the second row and the corrugated steel pipes 3 of the third row are opposite, the lower part of each corrugated steel pipe is embedded in the sliding bed, and backfill materials are filled in the corrugated steel pipes.

In the embodiment, the single-row corrugated steel pipe groups are arranged in a curve shape at a certain interval, the three rows of corrugated steel pipe groups form a 3N array, in other embodiments, the single-row corrugated steel pipe groups can form a linear arrangement or a zigzag arrangement according to the shape of the anti-sliding surface, and in short, one surface of the single-row corrugated steel pipe groups close to the expansive rock-soil body forms the anti-sliding surface.

In this embodiment, the waveform of wave form steel pipe is horizontal, and the diameter of single wave form steel pipe is 125mm, and the interval between the adjacent wave form steel pipe of single row wave form steel pipe group is 1250mm, and the interval between two rows of wave form steel pipe groups is 1000 mm.

Example 3:

the utility model provides an anti-skidding wave form steel-pipe pile, includes that the wave form steel pipe group of expansion ground body slip direction is located to four rows, and every row of wave form steel pipe group comprises with certain clearance arrangement by a plurality of wave form steel pipes, and the wave form steel pipe figure in every row of wave form steel pipe group is decided according to the length of anti-sliding surface, and two liang of wave form steel pipes of four rows of wave form steel pipe groups stagger each other and insert the sky, promptly: the gaps between the corrugated steel pipes in the first row and the corrugated steel pipes in the second row are opposite, the gaps between the corrugated steel pipes in the second row and the corrugated steel pipes in the third row are opposite, the gaps between the corrugated steel pipes in the third row and the corrugated steel pipes in the fourth row are opposite, the lower part of each corrugated steel pipe is embedded in a sliding bed, and the corrugated steel pipes are filled with backfill, wherein the backfill is concrete mortar in the embodiment.

In this embodiment, the single row of corrugated steel pipe groups are arranged in a straight line at a certain interval, the four rows of corrugated steel pipe groups form a rectangular array of 4 × N, in other embodiments, the single row of corrugated steel pipe groups form a curved line or a zigzag line according to the shape of the anti-slip surface, and in short, one surface of the single row of corrugated steel pipe groups close to the expansive rock-soil body forms the anti-slip surface.

In this embodiment, the wave form of wave form steel pipe is horizontal, and the diameter of single wave form steel pipe is 50mm, and the interval between the adjacent wave form steel pipe of single row wave form steel nest of tubes is 700mm, and the interval between two rows of wave form steel nest of tubes is 500 mm.

Example 4:

referring to fig. 6 and 7, an anti-slip corrugated steel pipe pile comprises four rows of corrugated steel pipe groups arranged in the sliding direction of an expansive rock-soil body, each row of corrugated steel pipe groups is formed by arranging a plurality of corrugated steel pipes 3 in a certain interval in a straight line, the number of the corrugated steel pipes 3 in each row of the corrugated steel pipe groups is determined according to the length of an anti-slip surface, and every two corrugated steel pipes 3 of the four rows of the corrugated steel pipe groups are staggered and inserted into a space, namely: the gaps between the corrugated steel pipes 3 of the first row and the corrugated steel pipes 3 of the second row are opposite, the gaps between the corrugated steel pipes 3 of the second row and the corrugated steel pipes 3 of the third row are opposite, the gaps between the corrugated steel pipes 3 of the third row and the corrugated steel pipes 3 of the fourth row are opposite, the lower part of each corrugated steel pipe 3 is embedded in a sliding bed, and the corrugated steel pipes 3 are filled with backfill, wherein the backfill is concrete mortar in the embodiment.

One side of the row of corrugated steel pipe groups farthest away from the expansive rock-soil mass, which is close to the sliding direction of the expansive rock-soil mass, is connected with a plurality of corrugated steel plates 5 to form a corrugated steel retaining plate 6, the lower part of the corrugated steel retaining plate 6 is embedded in the sliding bed, and the upper end of the corrugated steel retaining plate is not lower than the corrugated steel pipe 3; in other embodiments, the corrugated steel retaining plate 6 may also be provided with multiple sets on different rows of corrugated steel pipe groups, and the corrugations of the corrugated steel retaining plate 6 and the corrugations of the corrugated steel pipes 2 are all horizontal and have the same waveform, so the corrugations of the corrugated steel retaining plate 6 and the corrugated steel pipes 3 may be tightly embedded and attached to each other, and then fixed to each other by bolting or welding. The corrugated steel plates 5 are stacked through wave crests and wave troughs and then bolted to form the corrugated steel retaining plate 6, and in other embodiments, the corrugated steel plates 5 are welded or flanged to form the corrugated steel retaining plate 6. Referring to fig. 2, the corrugated steel sheet 5 has the same pitch and height as those of the corrugated steel pipe 3, and has a wall thickness of 12mm and is made of Q355.

In order to further strengthen the strength, one surface of the corrugated steel retaining plate close to the expansive rock-soil body is provided with a plurality of groups of reinforcing ribs in the horizontal direction, and the reinforcing ribs are channel steel and are fixed with the corrugated steel retaining plate and the corrugated steel pipe through bolts.

The anti-slip corrugated steel pipe pile has strong mechanical performance and strong anti-slip capability.

It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.