CN214497393U - Lake bank side slope collapse treatment supporting structure next to green road - Google Patents

Abstract

The utility model relates to a lake bank side slope landslide of next-door neighbour green track administers supporting structure, including setting up in the green track at lake bank side slope top, set up in lake bank side slope top and lie in the green recovery structure that green track is close to lake one side, set up in lake bank side slope edge and stretch into the internal pile foundation supporting structure of the soil property slope of lake bank side slope and set up in the throwing stone layer of lake bank side slope toe and lake bottom junction, throwing stone layer and pile foundation supporting structure butt to retrain the lake bank side slope with pile foundation supporting structure. The utility model discloses a afforestation resumes structure and handles the landslide position of the soil property slope body, not only can improve the view of green road along the line, afforestation effect, still can prevent that the rainwater from washing away domaticly by a large scale, is favorable to the overall stability of side slope, can increase the abdominal land width of green road through pile foundation supporting construction, reduces the influence of side slope landslide to green road, can also with soil body effect load transfer to stabilized soil layer in, is showing the bending stiffness and the shear strength who have improved supporting construction.

Description

Lake bank side slope collapse treatment supporting structure next to green road

Technical Field

The utility model relates to a side slope construction technical field especially relates to a lake bank side slope landslide of next-door neighbour green track administers supporting construction.

Background

Along with the rapid development of national economy and the improvement of the living standard of people, people pay more and more attention to mental life and ecological environment, and a large number of green channels, landscape ecology, wetland parks and the like are emerging continuously. Generally, soil near lakes is soft, landslide and landslide caused by rainfall are common, and especially landslide and landslide slopes on the lakeside close to green channels bring great threat to property and life safety of people. However, the landslide of the lake bank is generally long along the line, and the degree of harm is limited. In addition, compared with the urban road side slope, the landslide side slope of the lake bank is smaller in height, the landslide thrust is not large, and if the scheme of the urban road side slope is adopted to treat the landslide range, the construction period is longer, and the treatment cost is higher. Therefore, under the condition of ensuring the safety of the side slope, an economic lake bank landslide side slope treatment scheme is sought, and the method has obvious social significance and potential engineering application value.

Disclosure of Invention

The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, provide a lake bank side slope landslide of next-door neighbour green channel and administer supporting construction.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a lake bank side slope landslide of next-door neighbour green track administers supporting structure, includes the green track that sets up in lake bank side slope top, sets up in lake bank side slope top and is located the green recovery structure that the green track is close to lake one side, set up in lake bank side slope edge and stretch into the pile foundation supporting structure in the soil property slope of lake bank side slope and set up in the throwing stone layer of lake bank side slope toe and lake bottom juncture, the throwing stone layer with pile foundation supporting structure butt, and will pile foundation supporting structure retrains in the lake bank side slope.

The utility model has the advantages that: the utility model discloses a lakeside slope collapse treatment supporting construction of close proximity green road, through setting up at lakeside slope top and close proximity green road's afforestation recovery structure handles the collapse position of soil property slope body, not only can improve along the line green road's view, afforestation effect, still can prevent that the rainwater from scouring by a large scale domatic, is favorable to the overall stability of side slope, through pile foundation supporting construction can increase green road's web ground width, reduces the influence of side slope collapse to green road, can also transmit soil body effect load to stabilized soil layer in, is showing bending stiffness and the shear strength who has improved supporting construction, adopts the throwing stone layer can improve the stress state of side slope base passive zone simultaneously, has further strengthened soil property side slope's overall stability, anti uplift ability and durability.

On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:

further: the greening restoration structure comprises vegetation, planting soil and a landslide backfilling area, wherein the landslide backfilling area is located at a junction of a lakeside slope and the bottom of a lake, the planting soil is arranged above the landslide backfilling area, the vegetation is arranged above the planting soil, and the vegetation and the planting soil are located on one side, close to the lake, of a green channel.

The beneficial effects of the further scheme are as follows: the landslide backfilling area is backfilled with clay and compacted, the top of the slope is filled with planting soil, certain soil stabilizer, water and the like are added according to the proportion, and proper vegetation is selected for spray seeding or planting according to local climatic conditions and landscape requirements, so that green ecological construction can be completed, the attractiveness of the side slope is improved, the erosion of rainwater to the slope can be reduced, and the soil fixing effect is further achieved.

Further: and the collapse backfill region is backfilled by clay backfill in a layered mode, the layered thickness is not more than 0.3m, and the compaction coefficient is not less than 0.93.

The beneficial effects of the further scheme are as follows: the clay is backfilled layer by layer and compacted, so that the effect of soil stabilization can be further achieved, and the stability of resisting rain erosion is improved.

Further: pile foundation supporting construction includes wave pile and geotechnological cloth, the wave pile is vertical to be buried underground in lakeshore side slope edge, and the vertical landslide face that runs through lakeshore side slope and insert to the stabilized soil layer of lakeshore side slope below, the wave pile is kept away from lake one side and is equipped with geotechnological cloth.

The beneficial effects of the further scheme are as follows: through will wave pile vertically runs through the landslide surface of lakeside slope and inserts to the stabilized soil layer of lakeside slope below, not only can increase the binder width of green way like this, reduces the influence of side slope landslide to green way, can also transmit the effort of the soil body to the stabilized soil layer of soil matter slope body below, is showing the bending rigidity and the shear strength who improves deep soft soil area supporting construction, through geotechnological cloth can avoid or reduce the stake front side lake water infiltration.

Further: the wave pile includes hat beam and wave pile prefab, wave pile prefab is vertical to be buried underground at lakeshore side slope edge, and the vertical landslide face that runs through lakeshore side slope and insert to the stabilized soil layer of lakeshore side slope below, many wave pile prefab head and the tail are connected in order, the hat beam adopt cast in situ concrete's mode set up in the top of wave pile prefab, just the upper end of wave pile prefab stretches into in the hat beam.

The beneficial effects of the further scheme are as follows: the tops of the wave pile prefabricated parts are connected through the crown beams and are subjected to concrete pouring, the integral external force resisting effect of the wave piles is increased, the acting force of a soil body can be transmitted to a stable soil layer, the bending rigidity and the shearing strength of the supporting structure in the soft soil area are obviously improved, and the stability of the supporting structure on the side slope is ensured.

Further: the crown beam comprises a crown beam main body and a framework, the framework comprises a crown beam main rib, a crown beam lacing wire, a crown beam auxiliary rib and a crown beam stirrup, the framework is arranged at the upper end of the crown beam main body, the crown beam main rib, the crown beam lacing wire, the crown beam auxiliary rib and the crown beam stirrup are arranged on the framework, and the crown beam main rib, the crown beam lacing wire, the crown beam auxiliary rib, the crown beam stirrup and the framework are formed by concrete pouring.

The beneficial effects of the further scheme are as follows: will through the concrete the skeleton with the hat roof beam main part forms wholly through pouring, can ensure that the fastness and the atress of prefab are even, guarantees prefab and whole pile foundation supporting construction's structural stability, through hat roof beam owner muscle, hat roof beam lacing wire, hat roof beam are assisted muscle and hat roof beam stirrup can further increase the overall structure intensity and the stability of hat roof beam.

Further: the pile foundation supporting structure further comprises a reverse filter layer, the number of the geotextiles is two, and the reverse filter layer is arranged between the geotextiles.

The beneficial effects of the further scheme are as follows: through setting up the inverted filter, can avoid or reduce the stake preceding waterside lake water infiltration, the slope body unstability phenomenon that the back water side soil erosion of wave stake induced to ensure its stability to side slope support.

Further: the riprap layer is made of undenered stones, the grain sizes of the undenered stones are not more than 20cm, the saturated uniaxial compressive strength of the undenered stones is more than 30MPa, the riprap layer is arranged in a layered mode, the layered thickness is not more than 50cm, and the stone porosity of the riprap layer is not more than 22%.

Drawings

Fig. 1 is a schematic view of a landslide control support structure of a lakeside slope adjacent to a green channel according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a wave pile of a landslide control support structure of a lakeside slope next to a green channel according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

fig. 4 is a schematic view of a crown beam reinforcement of a lakeside slope collapse treatment supporting structure next to a green track according to an embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. green road, 2, vegetation, 3, planting soil, 4, a landslide backfilling area, 5, a slumped surface, 6, a crown beam, 7, a wave pile prefabricated part, 8, a rubble layer, 9, a lake bottom, 10, geotextile, 11, a reverse filter layer, 12, a crown beam main rib, 13, a crown beam tie rib, 14, a crown beam auxiliary rib, 15 and a crown beam stirrup.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 2, the support structure for treating landslide of the lakeside slope close to the green track comprises a green track 1 arranged at the top of the lakeside slope, a greening restoration structure arranged at the top of the lakeside slope and located at one side of the green track 1 close to the lake, a pile foundation support structure arranged at the edge of the lakeside slope and extending into the soil slope of the lakeside slope, and a riprap layer 8 arranged at the junction of a lakeside slope toe and a lake bottom 9, wherein the riprap layer 8 is abutted against the pile foundation support structure and restrains the pile foundation support structure in the lakeside slope.

The utility model discloses a supporting construction is administered to lakeside slope collapse of next-door neighbour green road, through setting up at lakeside slope top and next-door neighbour green road 1's afforestation recovery structure handles the collapse position of soil property slope body, not only can improve the view, the afforestation effect of green road along the line, still can prevent that the rainwater from scouring by a large scale domatic, is favorable to the overall stability of side slope, through pile foundation supporting construction can increase the binder width of green road, reduces the influence of side slope collapse to green road, can also transmit soil body effect load to stabilized soil layer in, is showing bending stiffness and the shear strength who has improved supporting construction, adopts rubble layer 8 to improve the stress state of side slope base passive zone simultaneously, has further strengthened the overall stability, the anti uplift ability and the durability of soil property side slope.

The utility model discloses an in one or more embodiments, afforestation recovery structure includes vegetation 2, planting soil 3 and landslide backfill region 4, landslide backfill region 4 is located the juncture of lakeside slope and lake bottom 9, planting soil 3 sets up landslide backfill region 4's top, vegetation 2 set up with the top of planting soil 3, just vegetation 2 all is located with planting soil 3 green channel 1 is close to lake one side. The landslide backfilling area 4 is backfilled with clay and compacted, the top of the slope is filled with planting soil 3, certain soil stabilizer, water and the like are added according to the proportion, and proper vegetation is selected for spray-seeding or planting according to local climatic conditions and landscape requirements, so that green ecological construction can be completed, the attractiveness of the side slope is improved, the erosion of rainwater to the slope can be reduced, and the soil fixing effect is further achieved.

It should be noted that here the vegetation 2 should meet local climatic conditions and landscape requirements.

Optionally, in one or more embodiments of the present invention, the landslide backfill region 4 is backfilled with clay in a layered mode, the layered thickness is not greater than 0.3m, the thin layer is lightly tamped, the ladder ridge is overlapped, heavy mechanical compaction cannot be adopted, the compaction coefficient is not less than 0.93, the planting soil 3 should be loose and wet, have good drainage and contain organic matters, and the PH value of the soil should be controlled within a reasonable range according to the plant type and the generation length characteristic. The clay is backfilled layer by layer and compacted, so that the effect of soil stabilization can be further achieved, and the stability of resisting rain erosion is improved.

As shown in fig. 3, in one or more embodiments of the present invention, the pile foundation supporting structure includes a wave pile and a geotextile 10, the wave pile is vertically buried at the edge of the lakeshore side slope, and vertically runs through the landslide surface 5 of the lakeshore side slope and is inserted into the stabilized soil layer below the lakeshore side slope, the wave pile is far away from the lake one side and is provided with the geotextile 10. Through will wave pile vertically runs through the landslide surface 5 of lakeside slope and inserts in the stabilized soil layer of lakeside slope below, not only can increase the binder width of green way like this, reduces the influence of side slope landslide to green way, can also transmit the effort of the soil body to the stabilized soil layer of soil matter slope body below, is showing the bending stiffness and the shear strength who improves deep weak soil area supporting construction, through geotechnological cloth 10 can avoid or reduce the stake front side lake water infiltration.

The utility model discloses an in one or more embodiments, the wave stake is including crown beam 6 and wave stake prefab 7, wave stake prefab 7 is vertical to be buried underground in lakeshore side slope edge, and the vertical landslide face 5 that runs through lakeshore side slope and insert to in the stabilized soil layer of lakeside slope below, many wave stake prefab 7 end to end connects in order, crown beam 6 adopt cast in situ concrete the mode set up in the top of wave stake prefab 7, just the upper end of wave stake prefab 7 stretches into in the crown beam 6. The tops of the wave pile prefabricated members 7 are connected through the crown beams 6, concrete is poured, the whole external force resisting effect of the wave piles is increased, the acting force of a soil body can be transmitted to a stable soil layer, the bending rigidity and the shearing strength of a soft soil area supporting structure are obviously improved, and therefore the stability of the wave pile prefabricated members for supporting the side slope is ensured. The prefabricated wave pile 7 is used as a supporting structure, construction time is short, and construction efficiency is greatly improved.

Here, the wave pile prefabricated member 7 is of a W-CP-400-I type, the height is 0.4m, the spacing is 0.6648m, the wall thickness is 0.13m, the length of a split seam adopted by the crown beam 6 is 10m, and the width of the split seam is 20 mm.

As shown in fig. 4, in one or more embodiments of the present invention, the crown beam 6 includes a crown beam main body and a skeleton, the skeleton includes a crown beam main rib 12, a crown beam tie rib 13, a crown beam auxiliary rib 14 and a crown beam stirrup 15, the skeleton is disposed at the upper end of the crown beam main body, and the crown beam main rib 12, the crown beam tie rib 13, the crown beam auxiliary rib 14 and the crown beam stirrup 15 are disposed on the skeleton, and the crown beam main rib 12, the crown beam tie rib 13, the crown beam auxiliary rib 14, the crown beam stirrup 15 and the skeleton are formed by pouring concrete to form the crown beam 6. The frame and the crown beam main body are integrally formed by pouring concrete, so that the firmness and the stress of the prefabricated member can be ensured to be uniform, the structural stability of the prefabricated member and the whole pile foundation supporting structure is ensured, and the overall structural strength and the stability of the crown beam 6 can be further improved by the crown beam main rib 12, the crown beam tie rib 13, the crown beam auxiliary rib 14 and the crown beam stirrup 15.

Optionally, in one or more embodiments of the present invention, the pile foundation supporting structure further includes a reverse filtering layer 11, the number of the geotextile 10 is two layers, and the reverse filtering layer 11 is disposed between the two layers of the geotextile 10. By arranging the inverted filter layer 11, the phenomena of slope instability caused by infiltration of lake water on the waterside before the pile and water and soil loss on the waterside of the wave pile can be avoided or reduced, so that the stability of the side slope support is ensured.

During actual construction, a plurality of wave pile prefabricated members 7 are vertically buried in a collapse surface of a bank side slope, and the pile top is flush with the top of the green road 1, a plurality of wave pile prefabricated members 7 vertically penetrate through the slumping surface 5 and are embedded into the stable soil layer, the inner side and the outer side of the reverse filter layer 11 are both provided with geotextile 10, the reverse filter layer 11 and the geotextile 10 both enter the slope bottom for a certain depth (usually corresponding to the depth of the water surface of a lake), therefore, the width of the green road in the belly can be increased, the influence of slope collapse on the green road can be reduced, the acting force of the soil body can be transferred to the stable soil layer below the soil slope body, the bending rigidity and the shearing strength of the supporting structure in the deep soft soil area can be obviously improved, meanwhile, the phenomena of slope instability caused by water infiltration of lakes on the waterside before the pile and water and soil loss on the waterside behind the pile are avoided or reduced, so that the stability of the slope support is ensured. Here, the thickness of the reverse filter layer 11 is not less than 100 mm.

In one or more embodiments of the utility model, the riprap layer 8 adopts the not morals and manners building stones, and the particle size of not morals and manners building stones is not more than 20cm, and the saturated unipolar compressive strength of not morals and manners building stones is greater than 30MPa, 8 layering settings in riprap layer, and layering thickness is not more than 50cm, the building stones porosity less than or equal to 22% in riprap layer 8, the riprap shaping back riprap surface should not have obvious hole, and large particle size building stones are not hard up, and the spade digs requirements such as difficulty, and the riprap construction is to design elevation and is maintained the back layering and is filled side slope backfill of accomplishing.

The utility model discloses a lake bank side slope collapse of close adjacent green track administers supporting construction's concrete construction steps as follows:

the method comprises the following steps: surveying a site, cleaning obstacles influencing construction, and determining a construction starting position, a pile unloading position of a wave pile, a pile machine advancing route and the like;

step two: manufacturing a guide frame and a guide wheel, advancing a pile machine, positioning a wave pile, starting high-frequency vibration pile sinking, ensuring that a pile body is vertical in the pile sinking process, and stopping pile sinking until a pile machine clamping nozzle is close to the guide frame;

step three: moving the guide wheel to the next pile position, and repeating the processes until the space in the guide frame is filled;

step four: secondary re-pressing, namely measuring the elevation by using a leveling instrument and a leveling rod by a specially-assigned person, and re-pressing the clamped pile to the designed designated elevation; the time interval between the re-pressing and the primary pile sinking is not easy to be too long, so that the adverse effect of the soil body plate knot at the bottom of the pile on the secondary re-pressing is prevented.

Step five: constructing a rubble layer 8;

step six: and cleaning loose soil bodies in the soil collapse backfilling area 4, backfilling clay and compacting, and continuing to construct planting soil 3 and vegetation 2 to finish greening restoration.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (8)

1. The utility model provides a lakeside slope collapse of next-door neighbour green track administers supporting construction which characterized in that: including setting up in green track (1) at lakeshore side slope top, setting up in lakeshore side slope top and being located green track (1) is close to afforestation restoration structure of lake one side, sets up in lakeshore side slope edge and stretches into the pile foundation supporting structure in the soil property slope of lakeshore side slope and sets up in riprap layer (8) of lakeshore side slope toe and lake bottom (9) juncture, riprap layer (8) with pile foundation supporting structure butt, and will pile foundation supporting structure retrains in lakeshore side slope.

2. The lakeside slope landslide treatment support structure adjacent to the green channel of claim 1, wherein: afforestation resumes structure includes vegetation (2), planting soil (3) and landslide backfill region (4), landslide backfill region (4) are located the juncture of lakeside slope and lake bottom (9), planting soil (3) set up the top of landslide backfill region (4), vegetation (2) set up with the top of planting soil (3), just vegetation (2) and planting soil (3) all are located green way (1) is close to lake one side.

3. The lakeside slope landslide treatment support structure of the immediate vicinity of the green channel of claim 2, wherein: and the collapse backfill area (4) is backfilled by clay backfill in a layered mode, the layered thickness is not more than 0.3m, and the compaction coefficient is not less than 0.93.

4. The lakeside slope landslide treatment support structure adjacent to the green channel of claim 1, wherein: pile foundation supporting construction includes wave stake and geotechnological cloth (10), the wave stake is vertical to be buried underground in lakeshore side slope edge, and vertical landslide face (5) that runs through lakeshore side slope and insert to the stabilized soil layer of lakeshore side slope below, the wave stake is kept away from lake one side and is equipped with geotechnological cloth (10).

5. The lakeside slope landslide treatment support structure of claim 4, adjacent to the green track, wherein: the wave pile includes hat beam (6) and wave stake prefab (7), wave stake prefab (7) are vertical to be buried underground at lakeshore side slope edge, and vertical landslide face (5) that runs through lakeshore side slope and insert to the stabilized soil layer of lakeshore side slope below, many wave stake prefab (7) end to end connects in order, the mode that hat beam (6) adopted cast in situ concrete set up in the top of wave stake prefab (7), just the upper end of wave stake prefab (7) stretches into in hat beam (6).

6. The lakeside slope landslide treatment support structure of claim 5, wherein: crown beam (6) are including crown beam main part and skeleton, the skeleton includes crown beam owner muscle (12), crown beam lacing wire (13), crown beam auxiliary muscle (14) and crown beam stirrup (15), the skeleton set up in the upper end of crown beam main part, just crown beam owner muscle (12), crown beam lacing wire (13), crown beam auxiliary muscle (14) and crown beam stirrup (15) set up in on the skeleton, just crown beam owner muscle (12), crown beam lacing wire (13), crown beam auxiliary muscle (14), crown beam stirrup (15) and the skeleton passes through concrete placement and forms crown beam (6).

7. The lakeside slope landslide treatment support structure of claim 4, adjacent to the green track, wherein: the pile foundation supporting structure further comprises an inverted filter layer (11), the number of the geotextile (10) is two, and the inverted filter layer (11) is arranged between the geotextile (10).

8. The lakeside slope landslide treatment support structure of any one of claims 1-7, wherein: the riprap layer (8) is made of undenered stone materials, the grain size of the undenered stone materials is not more than 20cm, the saturated uniaxial compressive strength of the undenered stone materials is more than 30MPa, the riprap layer (8) is arranged in a layered mode, the layered thickness is not more than 50cm, and the stone porosity of the riprap layer (8) is not more than 22%.

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