Soft soil foundation anti-settlement structure

Abstract

The present invention discloses a soft soil foundation anti-settlement structure, comprising: a soft soil base; a reinforced concrete casting layer, which is laid on the soft soil base; anti-settlement walls with their bottoms embedded in the soft soil base are vertically arranged on both sides of the reinforced concrete casting layer; a plurality of vertical limit holes are provided on the reinforced concrete casting layer; support pipes with bottom seals are movably inserted into the limit holes; the top of the support pipes is detachably connected to the reinforced concrete casting layer, and the bottom of the support pipes is inserted into the soft soil base; a plurality of support plates are detachably provided on the support pipes and are inserted obliquely downward into the soft soil base; a precast concrete slab layer, which is laid on the reinforced concrete casting layer; a gravel soil layer, which is laid on the precast concrete slab layer; a cast concrete layer, which is laid on the gravel soil layer; and a road surface base, which is laid on the gravel soil layer and is at the same height as the anti-settlement walls. The present invention can effectively prevent the compression and subsidence of the soft soil foundation.

Description

Technical Field

[0001] The present invention relates to the technical field of soft soil foundation protection, in particular to a soft soil foundation anti-settlement structure. Background Art

[0002] Soft soil foundations are defined as weak soil layers with low strength and high compressibility, often containing a certain amount of organic matter. With the rapid development of society, an increasing number of roads are being built on soft soil foundations. However, due to the high water content and high void ratio of soft soil foundations, the foundation exhibits low strength, high compressibility, and high settlement. If a roadbed is constructed directly on a soft soil foundation, it often results in instability or excessive subsidence, leading to roadbed damage and subsequently affecting the normal operation of vehicles. Summary of the Invention

[0003] The present invention provides a soft soil foundation anti-settlement structure, which increases the contact area between the overall anti-settlement structure and the soft soil base by arranging a reinforced concrete casting layer on the soft soil base, and arranging a pair of anti-settlement walls and multiple support pipes in the soft soil base to connect and support the reinforced concrete casting layer, thereby increasing the gripping force and achieving the purpose of effectively preventing the soft soil base from settling.

[0004] The present invention provides a soft soil foundation anti-settlement structure, comprising:

[0005] Soft soil base;

[0006] A reinforced concrete casting layer is laid on the soft soil base layer, and anti-settlement walls with their bottoms buried in the soft soil base layer are vertically arranged on both side edges of the reinforced concrete casting layer. A plurality of vertical limiting holes are provided on the reinforced concrete casting layer, and a support tube with a bottom seal is movably inserted into the limiting holes. The top of the support tube is detachably connected to the reinforced concrete casting layer, and the bottom is inserted into the soft soil base layer. A plurality of support plates that are obliquely inserted downward into the soft soil base layer are detachably provided on the support tube;

[0007] A precast concrete slab layer is laid on top of the reinforced concrete pouring layer.

[0008] a sand and gravel soil layer, which is laid on the precast concrete slab layer;

[0009] pouring a concrete layer, which is laid on the sand and gravel soil layer;

[0010] A road base layer is laid on the sand and gravel soil layer and is at the same height as the anti-settlement wall.

[0011] Preferably, in the soft soil foundation anti-settlement structure, a plurality of first limiting grooves are provided on the reinforced concrete casting layer, the bottom wall of each first limiting groove is provided with the limiting hole, the side wall of the first limiting groove is provided with a second limiting groove, a limiting plate is inserted in the second limiting groove, a limiting ring is provided on the outer top of the support tube, and the limiting ring is clamped between the bottom wall of the first limiting groove and the limiting plate.

[0012] Preferably, in the soft soil foundation anti-settlement structure, the support pipe comprises:

[0013] A supporting outer tube is movably inserted in the limiting hole, and a plurality of external insertion holes are provided on the wall of the supporting outer tube;

[0014] A supporting inner tube is rotatably inserted into the supporting outer tube, and a plurality of inner insertion holes corresponding to the positions of the outer insertion holes are provided on the wall of the supporting inner tube;

[0015] The movable tube is detachably inserted into the supporting inner tube. The supporting plate is hinged on the outer wall of the movable tube. A spring is provided between the supporting plate and the movable tube near the hinged end of the supporting plate. The free end of the supporting plate passes through the corresponding inner and outer holes in sequence and is inserted into the soft soil base.

[0016] Preferably, in the soft soil foundation anti-settlement structure, a vertical support limiting tube is fixedly provided in the limiting hole, and the supporting outer tube is movably inserted into the supporting limiting tube through a threaded structure.

[0017] Preferably, in the soft soil foundation anti-settlement structure, a support connecting plate is hingedly connected to the movable tube at a hinge point with the support plate, and the spring is provided between the support connecting plate and the support plate.

[0018] Preferably, in the soft soil foundation anti-settlement structure, the inner support tube and the outer support tube are provided with a plurality of corresponding internal seepage holes and external seepage holes, the top end of the movable tube is connected to the drainage pipe, the drainage pipe is inserted into the reinforced concrete casting layer and its outlet end passes through the anti-settlement wall, and the bottom end of the movable tube extends to the inner bottom of the outer support tube.

[0019] Preferably, in the soft soil foundation anti-settlement structure, an upper limit member is provided at the top of the support inner tube, the upper limit member includes an upper limit tube and a plurality of upper connecting plates connecting the upper limit tube and the support inner tube, and the top of the movable tube is movably inserted into the upper limit tube; a lower limit member is detachably provided at the bottom of the support inner tube, the lower limit member includes a lower limit inner tube, a lower limit outer tube, and a plurality of lower connecting plates connecting the lower limit inner tube and the lower limit outer tube, the lower limit outer tube is connected to the support inner tube by a threaded structure, and the bottom of the movable tube is movably inserted into the lower limit inner tube.

[0020] Preferably, in the soft soil foundation anti-settlement structure, a first movable slide extending along the length direction of the supporting inner tube is provided on the inner wall of the supporting inner tube, and the first movable slide and each inner plug hole are connected via a second movable slide on the inner wall of the supporting inner tube.

[0021] Preferably, in the soft soil foundation anti-settlement structure, a plurality of support members are embedded in the gravel soil layer, the support members include a horizontal support cross plate and a herringbone support leg located below the support cross plate for supporting the support cross plate, a drainage ditch extending to the anti-settlement wall is provided on the cast concrete layer, a waterproof layer is provided on the cast concrete layer, a second drainage pipe connected to the drainage ditch is inserted into the anti-settlement wall, an anti-buried plate is provided at a position corresponding to the drainage ditch on the waterproof layer, a water leakage hole is provided on the anti-buried plate, and the pavement base layer is provided on the anti-buried plate.

[0022] Preferably, in the soft soil foundation anti-settlement structure, a water storage ditch is provided on the soft soil base layer and on opposite sides of the two anti-settlement walls, and an anti-seepage layer is provided on the inner surface of the water storage ditch.

[0023] The present invention includes at least the following beneficial effects: in the present invention, a plurality of vertical support tubes inserted into the soft soil base are provided at the bottom of the reinforced concrete casting layer, and a plurality of support plates inclined downward are provided on the support tubes, and the reinforced concrete casting layer is connected to the anti-settlement wall buried in the soft soil base, so that the contact area between the overall structure and the soft soil base is increased, thereby increasing the gripping force, which can effectively prevent the soft soil foundation from being compressed and sinking; in the present invention, the two anti-settlement walls sandwich the soft soil base in the middle, increase the horizontal cohesion between the soft soil, and effectively prevent the soft soil from diffusing to both sides due to compression and accelerating sinking.

[0024] Other advantages, objectives and features of the present invention will be reflected in part from the following description and will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of a soft soil foundation anti-settlement structure in one of the technical solutions of the present invention;

[0026] Figure 2 This is a schematic diagram of the support tube structure in one of the technical solutions of the present invention;

[0027] Figure 3 This is a schematic diagram of the inner slideway structure of the support inner tube in one of the technical solutions of the present invention;

[0028] Among them, 1-soft soil base, 2-moving pipe, 3-support outer pipe, 4-anti-settlement wall, 5-support plate, 6-water storage ditch, 7-support limiting pipe, 8-concrete precast plate layer, 9-sand and gravel soil layer, 10-cast concrete layer, 11-pavement base, 12-second drainage pipe, 13-support cross plate, 14-support leg, 15-drainage pipeline, 16-reinforced concrete casting layer, 17-limiting ring, 18-limiting plate, 19-upper connecting plate, 20-upper positioning pipe, 21-support inner pipe, 22-support connecting plate, 23-spring, 24-lower connecting plate, 25-lower limiting outer pipe, 26-lower limiting inner pipe, 27-inner socket, 28-first movable slide, 29-second movable slide. DETAILED DESCRIPTION

[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0030] It should be understood that terms such as “having”, “including” and “comprising” used herein do not preclude the existence or addition of one or more other elements or combinations thereof.

[0031] It should be noted that the experimental methods described in the following embodiments are conventional methods unless otherwise specified, and the reagents and materials are commercially available unless otherwise specified. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. The orientations or positional relationships indicated by the terms "transverse", "longitudinal", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0032] like Figure 1 、 Figure 2 As shown, the present application provides a soft soil foundation anti-settlement structure, comprising:

[0033] Soft soil base 1;

[0034] A reinforced concrete casting layer 16 is laid on the soft soil base 1, and anti-settlement walls 4 with their bottoms buried in the soft soil base 1 are vertically arranged on both side edges of the reinforced concrete casting layer 16. A plurality of vertical limiting holes are provided on the reinforced concrete casting layer 16, and a support tube with a bottom seal is movably inserted into the limiting holes. The top of the support tube is detachably connected to the reinforced concrete casting layer 16, and the bottom is inserted into the soft soil base 1. A plurality of support plates 5 that are obliquely inserted downward into the soft soil base 1 are detachably provided on the support tube;

[0035] The precast concrete slab layer 8 is laid on the reinforced concrete pouring layer 16.

[0036] A gravel soil layer 9, which is laid on the precast concrete slab layer 8;

[0037] pouring a concrete layer 10, which is laid on the sand and gravel soil layer 9;

[0038] The road base layer 11 is laid on the gravel soil layer 9 and is at the same height as the anti-settlement wall 4 .

[0039] The soft soil foundation anti-settlement structure provided by the present technical solution comprises, from bottom to top, a soft soil base 1, a reinforced concrete casting layer 16, a concrete precast slab layer 8, a sand and gravel soil layer 9, a casting concrete layer 10, and a road surface base 11, wherein vertical anti-settlement walls 4 are provided on both side edges of the reinforced concrete casting layer 16. The anti-settlement walls 4 can be cast with reinforced concrete and cast integrally with the reinforced concrete casting layer 16 to make the overall structure more solid. The bottom of the anti-settlement wall 4 is buried in the soft soil base 1, and the top extends upward to the same height as the road surface base 11. The two anti-settlement walls 4 can provide a material between the two. It provides horizontal support force, effectively preventing the soft soil material from spreading to both sides and accelerating the sinking when sinking; a plurality of vertical limit holes are provided on the reinforced concrete casting layer 16, and a vertical support tube is movably inserted into the limit hole. The top of the support tube is detachably connected to the reinforced concrete casting layer 16, and the bottom of the support tube is sealed and inserted deep into the soft soil base 1. The bottom of the support tube is conical, and a plurality of support plates 5 are detachably provided on the support tube. One end of each support plate 5 is connected to the support tube and the other end is inserted into the soft soil base 1, thereby increasing the contact area between the support tube and the soft soil base 1 as a whole, increasing the gripping force, and effectively preventing the soft soil base 1 from sinking.

[0040] The construction method of the soft soil foundation anti-settlement structure of the present technical solution is as follows: step 1, compacting the soft soil foundation to form a soft soil base layer 1; step 2, excavating wall grooves on both sides of the soft soil base layer 1 corresponding to the road surface to be paved, placing steel mesh in the excavated wall grooves, and placing steel mesh on the soft soil base layer 1 and connecting it to the steel mesh in the wall grooves; step 3, pouring concrete in the wall grooves and on the soft soil base layer 1 while reserving various limiting holes to form the lower half of the anti-settlement wall 4 and the reinforced concrete pouring layer 16; step 4, inserting supports into the limiting holes pipe, so that the bottom of the support pipe is deeply inserted into the soft soil base 1 and the top is not higher than the reinforced concrete casting layer 16, and then the top of the support pipe is connected to the reinforced concrete casting layer 16; step five, cast the anti-settlement wall 4 located on the reinforced concrete casting layer 16; step six, on the reinforced concrete casting layer 16 between the two anti-settlement walls 4, successively lay concrete precast panels, sand and gravel to form a concrete precast panel layer 8 and a sand and gravel layer 9, then cast concrete to form a casting concrete layer 10, and finally lay roadbed materials to form a pavement base 11.

[0041] This technical solution includes at least the following beneficial effects: the two anti-settlement walls 4 sandwich the soft soil base 1 in the middle, increasing the horizontal cohesion between the soft soils and preventing the soft soil from diffusing to both sides and sinking faster due to compression; a plurality of vertical support pipes are provided at the bottom of the reinforced concrete casting layer 16, and a plurality of downwardly inclined support plates 5 are provided on the support pipes to increase the contact area between the overall structure and the soft soil base 1, thereby increasing the gripping force and further preventing the soft soil foundation from being compressed and sinking; the precast concrete plate layer 8 laid on the reinforced concrete casting layer 16 can be used to cover the limiting holes to prevent sand and gravel from entering the support pipes; the cast concrete layer 10 is used to support the pavement base 11 to prevent the pavement base 11 from collapsing; the vertical limiting holes can limit the orientation of the support pipe to prevent it from tilting when inserted downward.

[0042] In another technical solution, Figure 1 、 Figure 2 As shown, in the soft soil foundation anti-settlement structure, a plurality of first limiting grooves are provided on the reinforced concrete casting layer 16, the bottom wall of each first limiting groove is provided with the limiting hole, the side wall of the first limiting groove is provided with a second limiting groove, a limiting plate 18 is inserted into the second limiting groove, and a limiting ring 17 is provided on the outer top of the support tube, and the limiting ring 17 is clamped between the bottom wall of the first limiting groove and the limiting plate 18. The first limiting groove provides an accommodating space for the limiting plate 18 and the limiting ring 17; the limiting plate 18 is used to limit the position of the limiting ring 17, and then limit the position of the support tube, so that the relative position of the support tube and the reinforced concrete casting layer 16 remains unchanged, so that the support tube can effectively support the reinforced concrete casting layer 16; the limiting plate 18 can be inserted and removed to limit the support tube or adjust it, which is easy to operate.

[0043] In another technical solution, Figure 1、 Figure 2 As shown, in the soft soil foundation anti-settlement structure, the support pipe includes:

[0044] The supporting outer tube 3 is movably inserted in the limiting hole, and a plurality of external insertion holes are provided on the wall of the supporting outer tube 3;

[0045] The support inner tube 21 is rotatably inserted into the support outer tube 3. The wall of the support inner tube 21 is provided with a plurality of inner insertion holes 27 corresponding to the positions of the outer insertion holes.

[0046] The movable tube 2 is detachably inserted into the support inner tube 21. The support plate 5 is hinged on the outer wall of the movable tube 2. A spring 23 is provided between the support plate 5 and the movable tube 2 near the hinged end of the support plate 5. The free end of the support plate 5 passes through its corresponding inner plug hole 27 and outer plug hole in sequence and is inserted into the soft soil base 1. Before installing the support tube, first insert the movable tube 2 into the support inner tube 21 from the bottom end of the support inner tube 21, and keep the support plate 5 and the inner plug hole 27 misaligned to prevent the soft soil from entering the support tube when the support tube moves down to insert into the soft soil base 1. At this time, the spring 23 is compressed, and then the support inner tube 21 is installed into the support outer tube 3, and the outer plug hole is misaligned with the inner plug hole 27. Then, the support outer tube 3 is inserted into the deep soft soil base 1 from the limiting hole until the limiting ring 17 at the top of the support outer tube 3 is located in the first limiting groove, and the support inner tube is rotated. 21 makes the inner plug hole 27 coincide with the outer plug hole, then moves the movable tube 2 to insert the support plate 5 into the corresponding inner plug hole 27 and outer plug hole, and then pushes the movable tube 2 downward to make the support plate 5 move along the inner and outer plug holes and insert into the soft soil base 1. At this time, the spring 23 is unfolded; the supporting outer tube 3 and the supporting inner tube 21 can be connected by a threaded structure, which is convenient for disassembly and assembly; a spring 23 is set between the support plate 5 and the movable tube 2. The compressed state of the spring 23 provides thrust for the support plate 5, so that the support plate 5 can be smoothly inserted into the inner plug hole 27.

[0047] In another technical solution, Figure 1 、 Figure 2 As shown, in the soft soil foundation anti-settlement structure, a vertical support limiting tube 7 is fixedly installed in the limiting hole, and the support outer tube 3 is movable and inserted into the support limiting tube 7 through a threaded structure. The support limiting tube 7 facilitates the connection between the support tube and the reinforced concrete casting layer 16.

[0048] In another technical solution, Figure 2As shown, in the soft soil foundation anti-settlement structure, a support connecting plate 22 is hingedly connected to the movable tube 2 at the hinge point with the support plate 5. The spring 23 is interposed between the support connecting plate 22 and the support plate 5. The ends of the spring 23 are connected to the support plate 5 and the support connecting plate 22, respectively. The support connecting plate 22 prevents the spring 23 from distorting and deflecting when compressed. The support connecting plate 22 can rotate with the position of the support plate 5 to keep the spring 23 in a compressed or naturally extended state, ensuring that the support plate 5 can rotate a sufficient angle without being affected by the tensile force of the spring 23.

[0049] In another technical solution, Figure 1 、 Figure 2 As shown, in the soft soil foundation anti-settlement structure, the inner support tube 21 and the outer support tube 3 are provided with multiple corresponding internal and external seepage holes. The top end of the mobile tube 2 is connected to the drainage pipe 15, which is inserted into the reinforced concrete casting layer 16 and has its outlet end passing through the anti-settlement wall 4. The bottom end of the mobile tube 2 extends to the inner bottom of the outer support tube 3. Filters can be provided at the internal and external seepage holes; the top end of the mobile tube 2 can be connected to the drainage pipe 15 via a tee pipe or the like; a pipe trough can be provided on the reinforced concrete casting layer 16, and the drainage pipe 15 is placed in the pipe trough. Water in the soft soil base 1 enters the inner bottom of the support tube through the external and internal seepage holes and submerges the bottom end of the mobile tube 2. A water pump is connected to the outlet end of the drainage pipe 15, and the water in the support tube can be discharged through the mobile tube 2 and the drainage pipe 15.

[0050] In another technical solution, Figure 2 As shown, in the soft soil foundation anti-settlement structure, an upper limit member is provided at the top of the support inner tube 21, and the upper limit member includes an upper limit tube and a plurality of upper connecting plates 19 connecting the upper limit tube and the support inner tube 21, and the top of the movable tube 2 is movably inserted into the upper limit tube; a lower limit member is detachably provided at the bottom of the support inner tube 21, and the lower limit member includes a lower limit inner tube 26, a lower limit outer tube 25, and a plurality of lower connecting plates 24 connecting the lower limit inner tube 26 and the lower limit outer tube 25, and the lower limit outer tube 25 is connected to the support inner tube 21 through a threaded structure, and the bottom of the movable tube 2 is movably inserted into the lower limit inner tube 26. The upper limit tube, the lower limit inner tube 26, and the lower limit outer tube 25 are all arranged vertically coaxially with the support inner tube 21. When inserting the movable tube 2 in the support inner tube 21, the lower limit piece is first removed, and then the lower limit piece is installed back into the support inner tube 21 after the movable tube 2 is moved into place; the upper limit tube and the lower limit inner tube 26 limit the position of the movable tube 2, so that when the movable tube 2 moves, each support plate 5 is subjected to balanced force and moves synchronously; the upper limit piece can be used to assist in moving the support inner tube 21.

[0051] In another technical solution, Figure 2 、 Figure 3 As shown, in the soft soil foundation anti-settlement structure, a first movable slide 28 extending along the length of the inner support tube 21 is provided on the inner wall thereof. The first movable slide 28 and each inner insertion hole 27 are connected by a second movable slide 29 on the inner wall of the inner support tube 21. The support plate 5 moves along the first movable slide 28 into the inner support tube 21 and then along the second movable slide 29 to the inner insertion hole 27, ensuring orderly and accurate movement.

[0052] In another technical solution, Figure 1 As shown, in the soft soil foundation anti-settlement structure, a plurality of support members are embedded in the gravel soil layer 9, and the support members include a horizontal support cross plate 13 and a herringbone support leg 14 located below the support cross plate 13 for supporting the support cross plate 13. A drainage ditch extending to the anti-settlement wall 4 is provided on the cast concrete layer 10, and a waterproof layer is provided on the cast concrete layer 10. A second drainage pipe 12 connected to the drainage ditch is inserted into the anti-settlement wall 4, and an anti-buried plate is provided at the corresponding position of the drainage ditch on the waterproof layer, a water leakage hole is provided on the anti-buried plate, and the pavement base layer 11 is provided on the anti-buried plate. The support is used to support the cast concrete layer 10. The waterproof layer can be a waterproof cloth. The waterproof cloth is laid on the cast concrete layer 10 and is bent and concave along the drainage trough. It is used to intercept water seeping from the pavement base 11 and concentrate it at the drainage trough. The water flows along the drainage trough to the second drainage pipe 12 and is then discharged to prevent the pavement base 11 from being soaked by accumulated water and causing its performance to deteriorate. A filter net can be set at the leakage hole, and an anti-buried plate can prevent a large amount of pavement base 11 material from moving downward to block the drainage trough.

[0053] In another technical solution, Figure 1 As shown, in the soft soil foundation anti-settlement structure, a water storage ditch 6 is provided on the soft soil base layer 1 and on opposite sides of the two anti-settlement walls 4. The inner surface of the water storage ditch 6 is provided with an impermeable layer. The water storage ditch 6 is used to store water discharged from the drainage pipe 15 and the second drainage pipe 12 for irrigation and other applications. The impermeable layer prevents the stored water from seeping into the ground.

[0054] A construction method for a soft soil foundation anti-settlement structure: step 1, compacting the soft soil foundation to form a soft soil base layer 1; step 2, excavating wall grooves on both sides of the soft soil base layer 1 corresponding to the road surface to be paved, placing steel mesh in the excavated wall grooves, and placing steel mesh on the soft soil base layer 1 and connecting it to the steel mesh in the wall grooves; step 3, pouring concrete in the wall grooves and on the soft soil base layer 1, while reserving each first limiting groove, each second limiting groove, and each limiting hole and fixing the support limiting pipe 7 in the limiting hole, and a pipe groove for accommodating a drainage pipe 15 to form the lower half of the anti-settlement wall 4 and the reinforced concrete pouring layer 16; step 4, rotating and inserting the support pipe into each support limiting pipe 7 so that the bottom of the support pipe is deeply inserted into the soft soil base layer 1 and the top limiting ring 17 is located at the first limiting groove, and then inserting the limiting plate 18 into the second limiting groove to fix the support pipe, and then rotating the support inner pipe 21 so that the inner plug hole 27 corresponds to the outer plug hole, and moving the movable pipe 2 so that the free end of each support plate 5 is inserted into the corresponding In the inner plug hole 27, push the mobile pipe 2 downward so that each support plate 5 passes through the outer plug hole and is inserted into the soft soil base 1; Step 5, lay the drainage pipe 15 in the pipe groove, and connect the drainage pipe 15 with the top pipe of the mobile pipe 2; Step 6, cast the anti-settlement wall 4 on the reinforced concrete casting layer 16; Step 7, lay the concrete precast plate and sand and gravel soil on the reinforced concrete casting layer 16 between the two anti-settlement walls 4 to form a concrete precast plate layer 8 and a sand and gravel soil layer 9, and at the same time The support is buried in the gravel layer 9, and then concrete is poured to form a poured concrete layer 10. At the same time, a drainage ditch is reserved on the poured concrete layer 10 and a second drainage pipe 12 is drilled on the anti-settlement wall 4 to connect with the drainage ditch; step eight, a waterproof cloth is laid on the poured concrete layer 10, and an anti-buried plate is covered on the waterproof cloth at the corresponding position of the drainage ditch, and then the roadbed material is laid to form a road base 11; step nine, a water storage ditch 6 is dug on both sides of the two anti-settlement walls 4 and a waterproof layer is set.

[0055] The number of devices and processing scales described herein are intended to simplify the description of the present invention. Applications, modifications, and variations of the present invention will be readily apparent to those skilled in the art.

[0056] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the description and implementation methods. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and illustrations shown and described herein.

Claims

1. Soft soil foundation anti-settlement structure, characterized by: include: Soft soil base; A reinforced concrete casting layer is laid on the soft soil base layer, and anti-settlement walls with their bottoms buried in the soft soil base layer are vertically arranged on both side edges of the reinforced concrete casting layer. A plurality of vertical limiting holes are provided on the reinforced concrete casting layer, and a support tube with a bottom seal is movably inserted into the limiting holes. The top of the support tube is detachably connected to the reinforced concrete casting layer, and the bottom is inserted into the soft soil base layer. A plurality of support plates that are obliquely inserted downward into the soft soil base layer are detachably provided on the support tube; A precast concrete slab layer is laid on top of the reinforced concrete pouring layer. a sand and gravel soil layer, which is laid on the precast concrete slab layer; pouring a concrete layer, which is laid on the sand and gravel soil layer; A road base layer, which is laid on the gravel soil layer and is at the same height as the anti-settlement wall; A plurality of first limiting grooves are provided on the reinforced concrete casting layer, the limiting holes are provided on the bottom wall of each first limiting groove, a second limiting groove is provided on the side wall of the first limiting groove, a limiting plate is inserted into the second limiting groove, a limiting ring is provided on the outer top of the support tube, and the limiting ring is clamped between the bottom wall of the first limiting groove and the limiting plate; The support tube comprises: A supporting outer tube is movably inserted in the limiting hole, and a plurality of external insertion holes are provided on the wall of the supporting outer tube; A supporting inner tube is rotatably inserted into the supporting outer tube, and a plurality of inner insertion holes corresponding to the positions of the outer insertion holes are provided on the wall of the supporting inner tube; A movable tube is detachably inserted into the supporting inner tube, the supporting plate is hingedly connected to the outer wall of the movable tube, a spring is provided between the supporting plate and the movable tube near the hinged end of the supporting plate, and the free end of the supporting plate is sequentially inserted through the corresponding inner and outer insertion holes and then inserted into the soft soil base layer; An upper limit piece is provided at the top of the supporting inner tube, and the upper limit piece includes an upper limit tube and multiple upper connecting plates connecting the upper limit tube and the supporting inner tube, and the top of the movable tube is movably inserted into the upper limit tube; a lower limit piece is detachably provided at the bottom of the supporting inner tube, and the lower limit piece includes a lower limit inner tube, a lower limit outer tube, and multiple lower connecting plates connecting the lower limit inner tube and the lower limit outer tube, the lower limit outer tube is connected to the supporting inner tube by a threaded structure, and the bottom of the movable tube is movably inserted into the lower limit inner tube.

2. The soft soil foundation anti-settlement structure according to claim 1, characterized in that: A vertical support and limiting tube is fixedly arranged in the limiting hole, and the supporting outer tube is movably inserted into the supporting and limiting tube through a threaded structure.

3. The soft soil foundation anti-settlement structure according to claim 1, characterized in that: A support connecting plate is hingedly connected to the movable tube at a hinge point with the support plate, and the spring is arranged between the support connecting plate and the support plate.

4. The soft soil foundation anti-settlement structure according to claim 1, characterized in that: The supporting inner tube and the supporting outer tube are provided with a plurality of corresponding internal seepage holes and external seepage holes. The top end of the movable tube is connected with the drainage pipe. The drainage pipe is inserted into the reinforced concrete casting layer and its outlet end passes through the anti-settlement wall. The bottom end of the movable tube extends to the inner bottom of the supporting outer tube.

5. The soft soil foundation anti-settlement structure according to claim 1, characterized in that: The inner wall of the supporting inner tube is provided with a first movable slide extending along the length direction thereof, and the first movable slide and each inner insertion hole are connected via a second movable slide on the inner wall of the supporting inner tube.

6. The soft soil foundation anti-settlement structure according to claim 1, characterized in that: A plurality of support members are embedded in the gravel soil layer, and the support members include a horizontal support cross plate and a herringbone support leg located below the support cross plate for supporting the support cross plate. A drainage ditch extending to the anti-settlement wall is provided on the cast concrete layer, a waterproof layer is provided on the cast concrete layer, a second drainage pipe connected to the drainage ditch is inserted into the anti-settlement wall, an anti-buried plate is provided at the corresponding position of the drainage ditch on the waterproof layer, a water leakage hole is provided on the anti-buried plate, and the pavement base layer is provided on the anti-buried plate.

7. The soft soil foundation anti-settlement structure according to claim 6, characterized in that: On the soft soil base layer, a water storage ditch is arranged on the back-to-back sides of the two anti-settlement walls, and an anti-seepage layer is arranged on the inner surface of the water storage ditch.

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