CN114411750A - Soil nailing wall supporting structure and construction method thereof - Google Patents
Soil nailing wall supporting structure and construction method thereof Download PDFInfo
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- CN114411750A CN114411750A CN202111526362.0A CN202111526362A CN114411750A CN 114411750 A CN114411750 A CN 114411750A CN 202111526362 A CN202111526362 A CN 202111526362A CN 114411750 A CN114411750 A CN 114411750A
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- 239000002689 soil Substances 0.000 title claims abstract description 89
- 238000010276 construction Methods 0.000 title claims description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000003825 pressing Methods 0.000 claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 9
- 238000007667 floating Methods 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention provides a soil nailing wall supporting structure which comprises a plate body arranged on a side slope and an upper drainage groove arranged on a flat slope, wherein more than two soil nail holes are formed in the side slope, soil nails, connecting strips, a pressing mechanism and reinforcing members are arranged on the plate body, more than two through holes are formed in the plate body, a soil nail is arranged in each through hole, one end of each soil nail extends into one soil nail hole, the other end of each soil nail extends out of the through hole, concrete is poured between the inner wall of each soil nail hole and the corresponding soil nail, one end of each reinforcing member is connected with the plate body, and the other end of each reinforcing member is inserted into the side slope; the connecting strips are more than two, and each connecting strip is wound on at least two soil nails; the pressing mechanisms are more than two, and each pressing mechanism is clamped on each soil nail in a one-to-one correspondence manner so as to press the connecting strips on the plate body; the drainage tank is internally provided with a filter plate which is provided with a sundry removing mechanism. The plate body of the soil nailing wall can be disassembled for recycling.
Description
Technical Field
The invention relates to the technical field of soil nailing walls, in particular to a soil nailing wall supporting structure and a construction method thereof.
Background
The soil nailing wall is an in-situ soil body reinforcement technology, and is a slope reinforcement type support construction method which is characterized in that a foundation pit slope is reinforced through soil nails made of reinforcing steel bars, a reinforcing mesh is laid on the surface of the slope, and then a layer of concrete surface layer and an earthwork slope are sprayed. The construction is a complex formed by firmly bonding a reinforced rod piece (namely a soil nail or an anchor rod) arranged in a slope body with the surrounding soil body, and a supporting structure similar to a gravity retaining wall formed by surface layers.
The current soil nailing wall is of an undetachable recycling structure, and construction materials are wasted.
Disclosure of Invention
Aiming at the technical problems, the invention aims to provide a soil nailing wall supporting structure and a construction method thereof, and in order to solve the technical problems, the invention adopts the following technical scheme to realize:
a soil nailing wall supporting structure comprises a plate body arranged on a side slope and an upper drainage groove arranged on a flat slope, wherein more than two soil nailing holes are formed in the side slope, soil nails, connecting strips, a pressing mechanism and reinforcing members are arranged on the plate body, more than two through holes are formed in the plate body, soil nails are arranged in each through hole, one end of each soil nail extends into one soil nailing hole, the other end of each soil nail extends out of the through hole, concrete is poured between the inner wall of each soil nailing hole and the corresponding soil nail, one end of each reinforcing member is connected with the plate body, and the other end of each reinforcing member is inserted into the side slope;
the connecting strips are more than two, and each connecting strip is wound on at least two soil nails;
the pressing mechanisms are more than two, and each pressing mechanism is clamped on each soil nail in a one-to-one correspondence manner so as to press the connecting strips on the plate body;
the drainage tank is internally provided with a filter plate which is provided with a sundry removing mechanism.
Beneficially, hold-down mechanism includes first connecting plate, second connecting plate, rigid plate, limiting plate, elastic plate, rigid plate and the equal rigid coupling of limiting plate are between first connecting plate and second connecting plate, the transmission hole has been seted up on the first connecting plate, be equipped with the T-shaped spare in the transmission hole, the T-shaped spare rotates to be connected in the transmission hole, T-shaped spare horizontal segment one end extends to first connecting plate top, first connecting plate top is equipped with presses the board, press the board to pass through elastic component and first connecting plate top and connect, press the board top and be equipped with the buffer layer, elastic plate upper end and T-shaped spare lower extreme rigid coupling, elastic plate lower extreme and second connecting plate rigid coupling, rigid plate and elastic plate are right the soil nail carries out the centre gripping.
Beneficially, the transmission chamber has been seted up to reinforcement bottom, and sliding connection has the slide bar on the reinforcement, and the slide bar upper end extends to reinforcement top, and slide bar upper end rigid coupling has the atress board, and the slide bar lower extreme extends to the transmission intracavity, is equipped with first sawtooth on the slide bar, and first sawtooth is located the transmission intracavity, is equipped with crooked gusset plate in the transmission intracavity, and crooked gusset plate outer wall is equipped with the second sawtooth, and first sawtooth and second sawtooth meshing, the rigid coupling has the connection piece on the crooked gusset plate, and the connection piece rotates to be connected in transmission intracavity wall.
Beneficially, debris get rid of mechanism includes first fixed plate, second fixed plate and movable block, first fixed plate and the equal rigid coupling of second fixed plate in the filter top, the movable block top is equipped with first spacing piece, and the movable block bottom is equipped with the elasticity brush hair, and the movable block passes through the elastic component to be connected with first fixed plate, and second fixed plate lateral wall sliding connection has hollow floating member, and hollow floating member bottom rigid coupling has the spacing piece of second, and first spacing piece and the spacing piece of second offset.
Beneficially, an inflation device is arranged on the plate body, an air bag groove is formed in the inner wall of the through hole, an annular air bag is fixedly connected in the air bag groove, and the annular air bag is connected with the inflation device through an air pipe.
A construction method of a soil nailing wall supporting structure comprises the following steps:
step one, preparation before construction:
firstly, performing tensile mechanical property test on the soil nails, and selecting the soil nails meeting the standard for use;
secondly, mixing the concrete on site;
and thirdly, arranging observation points at the top of the side slope along the periphery of the foundation pit, thereby facilitating the constructor to regularly monitor and record the condition of the foundation pit.
Step two, starting construction:
drilling a side slope, excavating the drainage groove on the flat slope, mounting the plate body on the side slope, and mounting the filter plate in the drainage groove.
The invention has the following beneficial effects:
the plate body can be disassembled for repeated use, so that the resource is saved; the stability of the plate body on the side slope can be further improved through the pressing mechanism and the connecting strip; the pressing plate in the pressing mechanism drives the T-shaped piece and the elastic plate to move, so that the pressing mechanism can conveniently clamp and release the clamping state of the soil nails; the bent reinforcing plate is driven to move by the sliding rod, so that the holding force of the plate body on the side slope is enhanced, and the stability is improved; thereby through hollow float piece automated inspection water level height indirect detection drainage condition, and can drive the movable block automatically and utilize the elasticity brush hair to clean filter and filtration pore and guarantee the drainage effect.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
FIG. 1 is a schematic view of a soil nailing wall supporting structure of the present invention without a hold-down mechanism;
FIG. 2 is a schematic view of the plate of FIG. 1 including a pressing mechanism according to the present invention;
FIG. 3 is an enlarged view of the hold-down mechanism of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 5 is an enlarged view of the invention at B in FIG. 1;
FIG. 6 is an enlarged view of the invention at C in FIG. 1;
reference numerals: the slope 1, the soil nail hole 11, the concrete 111, the flat slope 2, the drainage channel 21, the plate body 3, the through hole 31, the soil nail 4, the annular air bag 41, the hold-down mechanism 5, the first connecting plate 51, the transmission hole 511, the second connecting plate 52, the rigid plate 53, the limiting plate 54, the elastic plate 55, the T-shaped part 56, the pressing plate 57, the first elastic part 58, the buffer layer 59, the connecting strip 6, the reinforcing member 7, the sliding rod 71, the first sawtooth 711, the stress plate 72, the transmission cavity 73, the bending reinforcing plate 74, the second sawtooth 741, the connecting plate 742, the filtering plate 8, the filtering hole 81, the first fixing plate 82, the second elastic part 83, the second fixing plate 84, the hollow floating part 841, the second limiting plate 842, the moving block 85, the first limiting plate 851, the elastic brush bristles 852 and the inflation device 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-6, a soil nailing wall supporting structure comprises a plate body 3 arranged on a side slope 1 and an upper drainage channel 21 arranged on a flat slope 2, wherein more than two soil nail holes 11 are formed in the side slope 1, soil nails 4, connecting strips 6, a pressing mechanism 5 and a reinforcing member 7 are arranged on the plate body 3, more than two through holes 31 are formed in the plate body 3, a soil nail 4 is arranged in each through hole 31, one end of each soil nail 4 extends into one of the soil nail holes 11, the other end extends out of the through hole 31, concrete 111 is filled between the inner wall of each soil nail hole 11 and the soil nail 4, one end of the reinforcing member 7 is connected with the plate body 3, and the other end of the reinforcing member 7 is inserted into the side slope 1;
the connecting strips 6 are more than two, and each connecting strip 6 is wound on at least two soil nails 4;
more than two pressing mechanisms 5 are arranged, and each pressing mechanism 5 is clamped on each soil nail 4 in a one-to-one correspondence manner so as to press the connecting strip 6 on the plate body 3;
the drainage channel 21 is internally provided with a filter plate 8, and the filter plate 8 is provided with a sundries removing mechanism.
According to an alternative embodiment of the present invention, the pressing mechanism 5 includes a first connecting plate 51, a second connecting plate 52, a rigid plate 53, a limit plate 54, and an elastic plate 55, wherein the rigid plate 53 and the limit plate 54 are fixedly connected between the first connecting plate 51 and the second connecting plate 52, a transmission hole 511 is formed in the first connecting plate 51, a T-shaped member 56 is disposed in the transmission hole 511, the T-shaped member 56 is rotatably connected to the transmission hole 511, one end of a horizontal section of the T-shaped member 56 extends above the first connecting plate 51, a pressing plate 57 is disposed on the top of the first connecting plate 51, the pressing plate 57 is connected to the top of the first connecting plate 51 through a first elastic member 58, a buffer layer 59 is disposed on the top of the pressing plate 57, the upper end of the elastic plate 55 is fixedly connected to the lower end of the T-shaped member 56, the lower end of the elastic plate 55 is fixedly connected to the second connecting plate 52, and the rigid plate 53 and the elastic plate 55 clamp the soil nail 4.
According to an alternative embodiment of the present invention, a transmission cavity 73 is formed at the bottom of the reinforcing member 7, a sliding rod 71 is slidably connected to the reinforcing member 7, the upper end of the sliding rod 71 extends above the top of the reinforcing member 7, the lower end of the sliding rod 71 extends into the transmission cavity 73, a stress plate 72 is fixedly connected to the upper end of the sliding rod 71, a first sawtooth 711 is formed on the sliding rod 71, the first sawtooth 711 is located in the transmission cavity 73, a curved reinforcing plate 74 is arranged in the transmission cavity 73, a second sawtooth 741 is formed on the outer wall of the curved reinforcing plate 74, the first sawtooth 711 and the second sawtooth 741 are engaged, a connecting piece 742 is fixedly connected to the curved reinforcing plate 74, and the connecting piece 742 is rotatably connected to the inner wall of the transmission cavity 73.
According to an optional embodiment of the present invention, the debris removing mechanism includes a first fixing plate 82, a second fixing plate 84, and a moving block 85, the first fixing plate 82 and the second fixing plate 84 are both fixedly connected to the top of the filtering plate 8, the top of the moving block 85 is provided with a first limiting piece 851, the bottom of the moving block 85 is provided with elastic bristles 852, the moving block 85 is connected to the first fixing plate 82 through a second elastic piece 83, the side wall of the second fixing plate 84 is slidably connected to a hollow floating piece 841, the bottom of the hollow floating piece 841 is fixedly connected to a second limiting piece 842, and the first limiting piece 851 is abutted against the second limiting piece 842.
According to an alternative embodiment of the present invention, the plate body 3 is provided with an inflation device 9, the inner wall of the through hole 31 is provided with an air bag groove 32, an annular air bag 41 is fixedly connected in the air bag groove 32, and the annular air bag 41 is connected with the inflation device 9 through an air pipe.
The implementation process comprises the following steps: insert in every soil nail hole 11 of all soil nails 4 one-to-one correspondence to carry out the slip casting in every soil nail hole 11, can open aerating device 9 and aerify for all annular gasbags 41, make annular gasbags 41 inflation and offset with soil nails 4 outer walls, make annular gasbags 41 act as and end the thick liquid stopper, in order to guarantee slip casting pressure, when sealed effectual, soil nails 11 drill way departments can set up the blast pipe.
As shown in fig. 2-3, a plurality of connecting strips 6 are wound on a plurality of soil nails 4, a buffer layer 59 is pressed or beaten to press a pressing plate 57 to press down the right end of the horizontal section of the T-shaped part 56, so that the lower end of the vertical section of the T-shaped part 56 is inclined to the left, thereby driving the elastic plate 55 to bend to the left, causing the rigid plate 53 and the elastic plate 55 to clamp the soil nails 4, causing the connecting strips 6 to be tightly pressed on the plate body 3, thereby causing the plate body 3 to be firmly fixed on the slope 1, after the construction is completed, a plurality of pressing mechanisms 5 and a plurality of connecting pieces 4 can be respectively detached from a plurality of soil nails 4, thereby causing the plate body 3 to be detached from the slope 1 of the soil nail wall 1, so as to facilitate the reuse of the plate body 3, thereby causing the plate body 3 to be recycled, the operation of detaching the pressing mechanisms 5 to be simple and convenient, the buffer layer 59 is pressed or beaten again, so that the lower end of the vertical section of the T-shaped part 56 is inclined to the right, thereby driving the elastic plate 55 to bend to the right, and releasing the clamping state of the rigid plate 53 and the elastic plate 55 to the soil nails 4.
As shown in fig. 1 and 4, the lower end of the reinforcement 7 extends into the side slope 1, and then the stress plate 72 is pressed or beaten to move the sliding rod 71 downward, so that the first saw teeth 711 drive the second saw teeth 741, the bent reinforcing plate 74 and the connecting piece 742 to rotate, the lower end of the bent reinforcing plate 74 is rotatably inserted into the side slope 1, thereby increasing the connection stability of the plate body 3, and if the side slope 1 slightly collapses, the bent reinforcing plate 74 can catch the soil in the side slope 1 to prevent the plate body 3 from sliding downward.
When rainy day, the rainwater gets into water drainage tank 21 through filter plate 8 and arranges away, filter plate 8 can prevent that debris from getting into water drainage tank 21 in and blockking up water drainage tank 21, influence the drainage effect, when the rainwater takes debris to cause the jam to filter hole 81 on the filter plate 8, filter hole 81 drainage untimely can make the water level rise, when the water level rises and drives hollow floating member 841 rising, spacing piece 842 of second and first spacing piece 851 remove the counterbalance state, movable block 85 moves to the right under the shrink elasticity effect of second elastic member 83, thereby make elastic brush hair 852 clear away the debris on the filter plate 8 and in filtering hole 81, make the rainwater can get into water drainage tank 21 smoothly and arrange away.
A construction method of a soil nailing wall supporting structure comprises the following steps:
step one, preparation before construction:
firstly, performing tensile mechanical property tests on the soil nails 4, and selecting the soil nails 4 meeting the standard for use;
secondly, mixing the concrete on site;
and thirdly, arranging observation points at the top of the slope 1 along the periphery of the foundation pit, thereby facilitating the constructor to regularly monitor and record the condition of the foundation pit.
Step two, starting construction:
drilling the side slope 1, drilling a soil nail hole 11 with the diameter of 110mm, grouting after inserting the soil nail 4 into the soil nail hole 11, wherein the grouting pressure is 0.4-0.6Mpa,
and (3) excavating the drainage grooves 21 on the flat slope 2, mounting the plate body 3 on the side slope 1, and mounting the filter plate 8 in the drainage grooves 21.
The plate body 3 can be disassembled for repeated use, so that the resource is saved; the stability of the plate body 3 on the side slope 1 can be further improved through the pressing mechanism 5 and the connecting strip 6; the pressing plate 57 in the pressing mechanism 5 drives the T-shaped piece 56 and the elastic plate 55 to move, so that the pressing mechanism 5 can conveniently clamp and release the clamping state of the soil nails 4; the slide rod 71 drives the bending reinforcing plate 74 to move, so that the holding force of the plate body 3 on the side slope 1 is enhanced, and the stability is improved; thereby through hollow piece 841 automated inspection water level height indirect detection drainage condition that floats, and can drive the movable block 85 automatically and utilize elastic brush hair 852 to clean filter 8 and filtration pore 81 and guarantee the drainage effect.
Components, modules, mechanisms, devices and the like of the present invention, which are not described in detail, are all common standard components or components known to those skilled in the art, and the structure and the principle of the present invention can be known to those skilled in the art through technical manuals or through routine experiments.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a soil nailing wall supporting structure, characterized by, including locating plate body (3) on side slope (1) and locating drainage channel (21) on flat slope (2), set up two or more soil nail holes (11) on side slope (1), be equipped with soil nail (4) on plate body (3), connecting strip (6), hold-down mechanism (5), reinforcement (7), set up two or more through-holes (31) on plate body (3), all be equipped with soil nail (4) in each through-hole (31), soil nail (4) one end extends to in one of them soil nail hole (11), the other end extends outside through-hole (31), concrete (111) have been poured between soil nail hole (11) inner wall and soil nail (4), reinforcement (7) one end and plate body (3) are connected, the reinforcement (7) other end inserts in side slope (1);
the connecting strips (6) are more than two, and each connecting strip (6) is wound on at least two soil nails (4);
more than two pressing mechanisms (5) are arranged, and each pressing mechanism (5) is clamped on each soil nail (4) in a one-to-one correspondence manner so as to press the connecting strip (6) on the plate body (3);
the drainage groove (21) is internally provided with a filter plate (8), and the filter plate (8) is provided with a sundries removing mechanism.
2. The soil nailing wall supporting structure according to claim 1, wherein the pressing mechanism (5) comprises a first connecting plate (51), a second connecting plate (52), a rigid plate (53), a limit plate (54) and an elastic plate (55), the rigid plate (53) and the limit plate (54) are fixedly connected between the first connecting plate (51) and the second connecting plate (52), a transmission hole (511) is formed in the first connecting plate (51), a T-shaped part (56) is arranged in the transmission hole (511), the T-shaped part (56) is rotatably connected to the transmission hole (511), one end of the horizontal section of the T-shaped part (56) extends to the position above the first connecting plate (51), a pressing plate (57) is arranged at the top of the first connecting plate (51), the pressing plate (57) is connected with the top of the first connecting plate (51) through a first elastic part (58), a buffer layer (59) is arranged at the top of the pressing plate (57), the upper end of the elastic plate (55) is fixedly connected with the lower end of the T-shaped part (56), the lower end of the elastic plate (55) is fixedly connected with the second connecting plate (52), and the rigid plate (53) and the elastic plate (55) clamp the soil nails (4).
3. The soil nailing wall supporting structure according to claim 1, wherein a transmission cavity (73) is formed at the bottom of the reinforcing member (7), a sliding rod (71) is slidably connected onto the reinforcing member (7), the upper end of the sliding rod (71) extends above the top of the reinforcing member (7), the lower end of the sliding rod (71) extends into the transmission cavity (73), a stress plate (72) is fixedly connected to the upper end of the sliding rod (71), a first sawtooth (711) is arranged on the sliding rod (71), the first sawtooth (711) is positioned in the transmission cavity (73), a bent reinforcing plate (74) is arranged in the transmission cavity (73), a second sawtooth (741) is arranged on the outer wall of the bent reinforcing plate (74), the first sawtooth (711) is meshed with the second sawtooth (741), a connecting piece (742) is fixedly connected onto the bent reinforcing plate (74), and the connecting piece (742) is rotatably connected to the inner wall of the transmission cavity (73).
4. The soil nailing wall supporting structure according to claim 1, wherein the sundries removing mechanism comprises a first fixing plate (82), a second fixing plate (84) and a moving block (85), the first fixing plate (82) and the second fixing plate (84) are fixedly connected to the top of the filter plate (8), a first limiting piece (851) is arranged at the top of the moving block (85), elastic brush bristles (852) are arranged at the bottom of the moving block (85), the moving block (85) is connected with the first fixing plate (82) through a second elastic piece (83), a hollow floating piece (841) is connected to the side wall of the second fixing plate (84) in a sliding manner, a second limiting piece (842) is fixedly connected to the bottom of the hollow floating piece (841), and the first limiting piece (851) and the second limiting piece (842) are abutted.
5. A soil nailing wall supporting structure according to claim 1, wherein the plate body (3) is provided with an inflation device (9), the inner wall of the through hole (31) is provided with an air bag groove (32), an annular air bag (41) is fixedly connected in the air bag groove (32), and the annular air bag (41) is connected with the inflation device (9) through an air pipe.
6. A construction method of a soil nailing wall supporting structure based on any one of claims 1-5, comprising the steps of:
step one, preparation before construction:
firstly, performing tensile mechanical property test on the soil nails (4), and selecting the soil nails (4) meeting the standard for use;
secondly, mixing the concrete on site;
and thirdly, arranging observation points at the top of the side slope (1) along the periphery of the foundation pit, thereby facilitating the regular monitoring and recording of the foundation pit condition by constructors.
Step two, starting construction:
carry out the drilling to side slope (1), it is right flat slope (2) excavate water drainage tank (21), install plate body (3) on side slope (1), install filter (8) in water drainage tank (21).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111526362.0A CN114411750A (en) | 2021-12-14 | 2021-12-14 | Soil nailing wall supporting structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111526362.0A CN114411750A (en) | 2021-12-14 | 2021-12-14 | Soil nailing wall supporting structure and construction method thereof |
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| CN114411750A true CN114411750A (en) | 2022-04-29 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220594A (en) * | 2007-11-30 | 2008-07-16 | 苏州二建建筑集团有限公司 | Building foundation pit supporting construction |
| CN105625443A (en) * | 2016-03-06 | 2016-06-01 | 广西建工集团第五建筑工程有限责任公司 | High-steep soil nail grass planting slope protection structure system and construction method thereof |
| KR20180050201A (en) * | 2016-11-04 | 2018-05-14 | (주)연우피씨엔지니어링 | The underground wall structure and construction method thereof |
| CN112609703A (en) * | 2020-12-03 | 2021-04-06 | 中交二公局萌兴工程有限公司 | Construction process for supporting soil nailing wall |
| CN113585250A (en) * | 2021-08-04 | 2021-11-02 | 燕山大学 | Recoverable air bag trigger type soil nail structure |
-
2021
- 2021-12-14 CN CN202111526362.0A patent/CN114411750A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220594A (en) * | 2007-11-30 | 2008-07-16 | 苏州二建建筑集团有限公司 | Building foundation pit supporting construction |
| CN105625443A (en) * | 2016-03-06 | 2016-06-01 | 广西建工集团第五建筑工程有限责任公司 | High-steep soil nail grass planting slope protection structure system and construction method thereof |
| KR20180050201A (en) * | 2016-11-04 | 2018-05-14 | (주)연우피씨엔지니어링 | The underground wall structure and construction method thereof |
| CN112609703A (en) * | 2020-12-03 | 2021-04-06 | 中交二公局萌兴工程有限公司 | Construction process for supporting soil nailing wall |
| CN113585250A (en) * | 2021-08-04 | 2021-11-02 | 燕山大学 | Recoverable air bag trigger type soil nail structure |
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