Structure for consolidating and reinforcing soft foundation by utilizing solar heat
By using intermittent drainage walls and solar thermal consolidation technology, solar heating and vacuum pressure systems are used to accelerate the drainage and consolidation of deep silt, solving the problems of poor deep reinforcement effect and easy siltation in traditional technologies, and achieving rapid and effective soft soil foundation reinforcement.
Patent Information
- Application Number
- CN202422919718.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Traditional drainage board reinforcement technology for soft soil foundations suffers from problems such as poor deep reinforcement effect, easy siltation, insufficient drainage consolidation, and large post-construction settlement. Existing electroosmotic consolidation methods and pressurized vacuum preloading technology still have unsatisfactory deep reinforcement effects.
The method employs a spaced drainage wall and solar thermal consolidation reinforcement technology. By utilizing a solar heating system, a vacuum pressure system, and drainage wall technology, the deep silty soil foundation with poor permeability is divided into square drainage units. Combined with a temperature gradient field, drainage consolidation is accelerated. Vertical drainage is carried out through ultra-large prefabricated drainage walls and anti-siltation drainage boards. Solar energy resources are used to accelerate the drainage consolidation of deep silty soil.
It achieves rapid and effective drainage and consolidation of deep silt, reduces construction costs and environmental impact, improves reinforcement speed and soil density, and solves the problems of poor deep reinforcement effect and easy siltation in traditional technologies.
Smart Images
Figure CN223458786U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to deep silt soft soil foundation reinforcement technology, concretely relates to the structure of reinforcing soft foundation by solar heat consolidation. BACKGROUND
[0002] With the rapid development of social economy, higher requirements are put forward for the high-quality development of social economy in the coastal areas of China, and the traditional ordinary drain board reinforcement soft foundation technology gradually highlights the problems such as poor deep reinforcement effect, easy to be blocked, insufficient drainage consolidation and large post-construction settlement, which leads to gradually losing the advantage, even if secondary drain board reinforcement or drain board reinforcement and arrangement are used, because the ordinary drain board is blocked by silt fine clay particles in the consolidation later period, so that the drainage consolidation capacity is lost, and the deep silt soil consolidation effect is not ideal, and the fatal problem is still difficult to solve.
[0003] Although there are electro-osmotic consolidation method, booster type vacuum preloading and other technologies at home and abroad at present, the deep reinforcement effect is still not good, some scholars one-sidedly exaggerate the reinforcement effect of electro-osmotic consolidation method, booster type vacuum preloading and other technologies, therefore, the utility model adheres to the spirit of seeking truth from facts, and deeply researches how to significantly enhance the deep silt soil drainage consolidation effect of soft foundation under the condition that the cost of drainage consolidation method is increased limitedly, and fully explores the high cost performance technical advantages of drain board reinforcement soft foundation technology, proposes an interval type drainage wall and solar heat consolidation reinforcement soft foundation technology, fully utilizes the technical advantages such as rich solar energy resources in summer, green environmental protection and low price, utilizes the technical characteristics such as the decrease of the viscosity of pore water, the increase of the fluidity and the increase of the permeability coefficient of silt soft soil after temperature rise, combines the drainage acceleration mechanism under the temperature gradient field to accelerate the deep silt soil drainage consolidation, and simultaneously adopts the drainage wall technology to divide the deep thick silt soil foundation with very poor water permeability into square drainage units with appropriate size, so as to accelerate the deep thick silt soil foundation drainage consolidation. UTILITY MODEL CONTENT
[0004] In order to solve the problems in the prior art, the utility model provides a structure of reinforcing soft foundation by solar heat consolidation.
[0005] The above-mentioned purpose of the utility model is realized by the following technical scheme.
[0006] The structure for consolidating soft foundation by solar heat includes a soft foundation drainage consolidation system, a solar heating system, a vacuum pressure system, a water-filled pipe bag load increasing structure, a stack load structure, and a ground soil layer; the lower part of the soft foundation drainage consolidation system is inserted into the ground soil layer, and the upper part is arranged on the top surface of the ground soil layer; the solar heating system and the vacuum pressure system are connected with the soft foundation drainage consolidation system respectively; the stack load structure and the water-filled pipe bag load increasing structure are arranged on the upper part of the soft foundation drainage consolidation system from bottom to top, the vacuum pressure system is arranged on the top surface of the stack load structure, and the solar heating system is arranged on the top surface of the ground soil layer.
[0007] Further, the soft foundation drainage consolidation system includes an ultra-large prefabricated drainage wall, an anti-clogging drainage plate, an ultra-large plate connector, a geotextile mat layer, a horizontal vacuum pipe, a non-woven fabric protective layer, a vacuum sealing film, a sealing ditch, and a film under heating connecting line; the ultra-large prefabricated drainage walls are arranged at intervals to form drainage walls, which divide the ground soil layer into a square grid shape; the anti-clogging drainage plates are arranged in the ground soil layer inside the square grid divided by the ultra-large prefabricated drainage walls at equal intervals; the ultra-large prefabricated drainage walls are connected with the horizontal vacuum pipe through the ultra-large plate connector; the anti-clogging drainage plates are connected with the vacuum pressure system; the geotextile mat layer is arranged on the top surface of the ground soil layer; the ultra-large prefabricated drainage walls and the anti-clogging drainage plates penetrate the geotextile mat layer and are connected with the horizontal vacuum pipe; the ultra-large prefabricated drainage walls are connected with the solar heating system through the film under heating connecting line; the non-woven fabric protective layer covers the ultra-large prefabricated drainage walls, the anti-clogging drainage plates, the ultra-large plate connector, the geotextile mat layer, the horizontal vacuum pipe, the film under heating connecting line, and the upper part of the ground soil layer; the vacuum sealing film covers the non-woven fabric protective layer; the non-woven fabric protective layer and the vacuum sealing film are buried in the ground soil layer through the sealing ditch around them to seal the closed air;
[0008] The solar heating system includes a solar panel, an energy storage and conversion center, a connecting line, a support structure, and a control switch; the solar panel is arranged on the upper part of the ground soil layer through the support structure; the solar panel is connected with the energy storage and conversion center through the connecting line; the energy storage and conversion center is connected with the film under heating connecting line through the control switch and the connecting line, and heats the ultra-large prefabricated drainage walls and the ground soil layer;
[0009] The vacuum pressure system includes a vacuum pump system, a vacuum connecting pipe, and a vacuum pipe connector; the vacuum pump system is connected with the horizontal vacuum pipe through the vacuum connecting pipe and the vacuum pipe connector in sequence; the vacuum pump system, the vacuum connecting pipe, and the vacuum pipe connector are arranged on the top surface of the stack load structure;
[0010] The water filling pipe bag load increasing structure comprises a geotechnical water filling pipe bag, filling water, a water inlet valve and a water outlet valve; the filling water is filled in the geotechnical water filling pipe bag through the water inlet valve, and the water outlet valve is arranged at the bottom side of the geotechnical water filling pipe bag; the geotechnical water filling pipe bag, the filling water, the water inlet valve and the water outlet valve are arranged on the top surface of the load increasing structure.
[0011] The load increasing structure comprises a bottom protection cushion layer and a load carrier; the bottom protection cushion layer is arranged on the top surface of the vacuum sealing film and plays a protection role; the bottom protection cushion layer and the load carrier are sequentially arranged on the top surface of the foundation soil layer from bottom to top.
[0012] The foundation soil layer comprises a soft soil layer to be reinforced and a hard soil layer; the hard soil layer is located at the bottom of the soft soil layer to be reinforced; the super-large prefabricated drainage wall and the anti-clogging drainage board vertically penetrate the soft soil layer to be reinforced and are connected with the hard soil layer from top to bottom; the geotextile cushion layer, the horizontal vacuum pipe, the super-large plate connector, the membrane heating connecting wire, the non-woven fabric protection layer and the vacuum sealing film are sequentially arranged on the top surface of the soft soil layer to be reinforced from bottom to top.
[0013] Further, the super-large prefabricated drainage wall comprises a super-large drainage wall anti-clogging filter cloth, a super-large drainage wall core plate, a capillary drainage tooth groove, a drainage wall cavity, a drainage wall heating wire and a drainage wall communication hole; the super-large drainage wall anti-clogging filter cloth is wrapped around the outer side of the super-large drainage wall core plate and is connected with the super-large drainage wall core plate by adhesion; the capillary drainage tooth grooves are uniformly arranged on the outer walls of the super-large drainage wall core plate; the drainage wall cavities are arranged in the super-large drainage wall core plate in a spaced manner; the drainage wall heating wires are arranged in the drainage wall cavities on both sides, respectively; the capillary drainage tooth grooves are connected with the drainage wall cavities through the spaced drainage wall communication holes; the super-large drainage wall anti-clogging filter cloth and the super-large drainage wall core plate are arranged in the foundation soil layer.
[0014] The anti-clogging drainage board comprises an anti-clogging drainage board filter cloth, a drainage core plate, a drainage groove, a vacuum transmission main hole and a vacuum transmission branch hole; the anti-clogging drainage board filter cloth is wrapped around the outer side of the drainage core plate and is connected with the drainage core plate by adhesion; the drainage grooves are uniformly arranged on the outer walls of the drainage core plate; the vacuum transmission main hole is arranged in the drainage core plate; the drainage grooves are connected with the vacuum transmission main hole through the spaced vacuum transmission branch holes; the anti-clogging drainage board filter cloth and the drainage core plate are arranged in the foundation soil layer.
[0015] Further, the soft foundation drainage consolidation system, the solar heating system, the vacuum pressure system, the water filling pipe bag load increasing structure and the load increasing structure are provided with two or more than two.
[0016] The operation mode of the structure for solar heat consolidation and reinforcement of a soft foundation comprises the following three modes:
[0017] (1) Continuous heating and consolidation mode: In the summer when solar energy resources are abundant, this mode uses solar panels to absorb solar energy and store it, and converts the energy into electrical energy and stores it in the energy storage and conversion center, so that the control switch is continuously in the on state, and the drainage wall heating wire in the super-large prefabricated drainage wall is continuously heated through the sub-membrane heating connection line. The heat can be transferred to the foundation soil inside the square grid divided by the super-large prefabricated drainage wall, thereby heating the foundation soil, so that the super-static pore water in the foundation is vertically discharged through the super-large prefabricated drainage wall and the anti-clogging drainage board, thereby draining and consolidating the deep soft soil layer to be reinforced and making it more compact.
[0018] (2) Intermittent heating consolidation mode: For rainy seasons or seasons with relatively few sunny days, this mode uses solar panels to absorb solar energy and store it, and converts the energy into electrical energy and stores it in the energy storage and conversion center, so that the control switch is continuously in a periodic intermittent on state, and then the foundation soil layer is heated at regular intervals, so that the super-static pore water in the foundation soil layer is vertically discharged through the super-large prefabricated drainage wall and the anti-clogging drainage board, thereby draining and consolidating the deep soft soil layer to be reinforced and making it more dense.
[0019] (3) Temperature gradient field thermal consolidation mode: When the drainage and consolidation of the deep soft soil layer to be reinforced is in the consolidation fatigue period, this mode uses solar panels to absorb solar energy and store it, and converts the energy into electrical energy and stores it in the energy storage and conversion center, so that the control switch is in an alternate on and off state according to the block, thereby making the super-large prefabricated drainage wall present a hot and cold alternating state, thereby forming a stable gradient field in the foundation soil. By utilizing the electrical polarity of water molecules, the ultra-static pore water in the foundation is vertically discharged through the super-large prefabricated drainage wall and the anti-clogging drainage board under the drive of the temperature gradient field, thereby making the deep soft soil layer to be reinforced drained and consolidated and more compact.
[0020] The beneficial effects of the utility model are:
[0021] (1) The load generated by the pressure difference formed by vacuuming will not cause shear stress in the soil, and the foundation will not suffer from external instability failure. The load can be applied quickly at one time without the need for graded loading, and the reinforcement speed is fast. During the reinforcement process, the soil not only produces vertical compression, but also a lateral tightening effect toward the center of the reinforcement area. The density of the soil after reinforcement is higher than that of the preload, and the effect of treating deep soft foundation is better.
[0022] (2) The construction process, machinery and equipment are simple, with low energy consumption. In particular, the abundant, environmentally friendly and cheap solar energy and water load are utilized, which has high operation efficiency. The reinforcement cost is lower than the three-axis cement mixing method, high-pressure spraying pile method and rigid pile foundation reinforcement method, and is suitable for large-scale soft soil foundation reinforcement.
[0023] (3)The utility model discloses utilize the viscosity reduction, mobility enhancement and permeability coefficient increase of pore water after the temperature rise of silt soft soil, and the deep silt soil drainage consolidation is accelerated under the mechanism of accelerating drainage of temperature gradient field, and the problems of poor deep reinforcement effect, easy to be blocked, insufficient drainage consolidation and large post-construction settlement of traditional ordinary drainage board reinforcement soft foundation technology are basically solved.
[0024] (4)The utility model discloses adopt drainage wall technology and divide the deep silt soil foundation of very poor water permeability into the square drainage unit body of size, thereby accelerate deep silt soil foundation drainage consolidation, and simultaneously have sustained heating consolidation mode, interval heating consolidation mode and adopt temperature difference gradient field heat consolidation mode and multiple heating modes, and it has great significance to soft foundation drainage consolidation reinforcement treatment. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is the elevation view of the structure of the utility model;
[0026] Figure 2 It is the A-A section view of the structure of the utility model;
[0027] Figure 3 It is the partial large sample view of Figure 1 ;
[0028] Figure 4 The large prefabricated drainage wall typical structure large sample view of the structure of the utility model;
[0029] Figure 5 The anti-blocking drainage board structure diagram of the structure of the utility model.
[0030] In the drawing: 1-soft foundation drainage consolidation system;11-large prefabricated drainage wall;12-anti-blocking drainage board;13-large board connecting piece;14-geotextile cushion layer;15-horizontal vacuum pipe;16-non-woven fabric protective layer;17-vacuum sealing film;18-sealing ditch;19-heating connecting line under the film;111-large drainage wall anti-blocking filter cloth;112-large drainage wall core plate;113-capillary drainage tooth groove;114-drainage wall cavity;115-drainage wall heating wire;116-drainage wall communication hole;121-anti-blocking drainage board filter cloth;122-drainage core plate;123-drainage groove;124-vacuum transmission main hole;125-vacuum transmission branch hole;2-solar heating system;21-solar panel;22-energy storage conversion center;23-connecting line;24-supporting structure;25-control switch;3-vacuum pressure system;31-vacuum pump system;32-vacuum connecting pipe;33-vacuum pipe connecting head;4-water-filled tube bag loading structure;41-geotechnical water-filled tube bag;42-filling water;43-water inlet valve;44-drainage valve;5-heap loading structure;51-bottom protective cushion layer;52-heap loading body;6-ground soil layer;61-soft soil layer to be reinforced;62-hard soil layer. DETAILED DESCRIPTION
[0031] The utility model will be further explained in detail below with reference to the drawings.
[0032] As Figures 1 to 5 shown, the utility model discloses a structure for solidifying and reinforcing soft foundation by solar heat, comprising soft foundation drainage consolidation system 1, solar heating system 2, vacuum pressure system 3, water-filled tube bag load increasing structure 4, heap load structure 5 and ground soil 6;The lower part of soft foundation drainage consolidation system 1 is inserted in ground soil layer 6, and the upper part is arranged on the top surface of ground soil layer 6;Solar heating system 2 and vacuum pressure system 3 are connected with soft foundation drainage consolidation system 1 respectively;Heap load structure 5, water-filled tube bag load increasing structure 4 are sequentially arranged in the upper part of soft foundation drainage consolidation system 1 from bottom to top, vacuum pressure system 3 is arranged on the top surface of heap load structure 5, and solar heating system 2 is arranged on the top surface of ground soil layer 6.
[0033] Soft foundation drainage consolidation system 1 is composed of super-large prefabricated drainage wall 11, anti-fouling drainage plate 12, super-large plate connecting piece 13, geotextile cushion layer 14, horizontal vacuum tube 15, non-woven fabric protective layer 16, vacuum sealing film 17, sealing ditch 18 and heating connecting line under film 19;Super-large prefabricated drainage wall 11 is arranged at intervals to form a drainage wall, and super-large prefabricated drainage wall 11 divides ground soil layer 6 into a square grid shape, anti-fouling drainage plate 12 is uniformly arranged in ground soil layer 6 inside the square grid divided by super-large prefabricated drainage wall 11 at equal intervals, super-large prefabricated drainage wall 11 is connected with horizontal vacuum tube 15 through super-large plate connecting piece 13, anti-fouling drainage plate 12 is connected with vacuum pressure system 3 by winding, geotextile cushion layer 14 is arranged on the top surface of ground soil layer 6, super-large prefabricated drainage wall 11 and anti-fouling drainage plate 12 are connected with horizontal vacuum tube 15 by penetrating geotextile cushion layer 14 respectively, super-large prefabricated drainage wall 11 is connected with solar heating system 2 through heating connecting line under film 19, non-woven fabric protective layer 16 covers the upper part of super-large prefabricated drainage wall 11, anti-fouling drainage plate 12, super-large plate connecting piece 13, geotextile cushion layer 14, horizontal vacuum tube 15, heating connecting line under film 19 and ground soil layer 6, vacuum sealing film 17 covers non-woven fabric protective layer 16, and the periphery of non-woven fabric protective layer 16 and vacuum sealing film 17 is buried in ground soil layer 6 through sealing ditch 18 to seal closed gas.
[0034] Solar heating system 2 is composed of solar panel 21, energy storage conversion center 22, connecting line 23, support structure 24 and control switch 25;Solar panel 21 is arranged on the upper part of ground soil layer 6 through support structure 24, and solar panel 21 is connected with energy storage conversion center 22 through connecting line 23;Energy storage conversion center 22 is connected with heating connecting line under film 19 through control switch 25 and connecting line 23 to heat super-large prefabricated drainage wall 11 and ground soil layer 6.
[0035] The vacuum pressure system 3 is composed of a vacuum pump system 31, a vacuum connection pipe 32 and a vacuum pipe connector 33; the vacuum pump system 31 is connected with the horizontal vacuum pipe 15 through the vacuum connection pipe 32 and the vacuum pipe connector 33 in sequence; the vacuum pump system 31, the vacuum connection pipe 32 and the vacuum pipe connector 33 are all arranged on the top surface of the heap loading structure 5.
[0036] The water-filled pipe bag loading structure 4 is composed of a geotechnical water-filled pipe bag 41, filled water 42, a water inlet valve 43 and a water outlet valve 44; the filled water 42 is filled in the geotechnical water-filled pipe bag 41 through the water inlet valve 43, and the water outlet valve 44 is arranged at the bottom side of the geotechnical water-filled pipe bag 41; the geotechnical water-filled pipe bag 41, the filled water 42, the water inlet valve 43 and the water outlet valve 44 are all arranged on the top surface of the heap loading structure 5.
[0037] The heap loading structure 5 is composed of a bottom protection mat layer 51 and a heap loading body 52; the bottom protection mat layer 51 is arranged on the top surface of the vacuum sealing film 17 to play a protection role, and the bottom protection mat layer 51 and the heap loading body 52 are arranged on the top surface of the foundation soil layer 6 in sequence from bottom to top; the heap loading body 52 can adopt crushed stone soil.
[0038] The foundation soil 6 is composed of a soft soil layer to be reinforced 61 and a hard soil layer 62; the hard soil layer 62 is located at the bottom of the soft soil layer to be reinforced 61, and the super-large prefabricated drainage wall 11 and the anti-clogging drainage board 12 vertically penetrate the soft soil layer to be reinforced 61 from top to bottom and are connected with the hard soil layer 62; the geotextile mat layer 14, the horizontal vacuum pipe 15, the super-large board connector 13, the film heating connection wire 19, the non-woven fabric protection layer 16 and the vacuum sealing film 17 are arranged on the top surface of the soft soil layer to be reinforced 61 in sequence from bottom to top.
[0039] The super-large prefabricated drainage wall 11 is composed of a super-large drainage wall anti-clogging filter cloth 111, a super-large drainage wall core plate 112, a capillary drainage tooth groove 113, a drainage wall cavity 114, a drainage wall heating wire 115 and a drainage wall communication hole 116; the super-large drainage wall anti-clogging filter cloth 111 is wrapped around the outer side of the super-large drainage wall core plate 112 and is pasted and connected with the same, the capillary drainage tooth grooves 113 are uniformly arranged on the outer walls of the super-large drainage wall core plate 112, the drainage wall cavities 114 are arranged in the super-large drainage wall core plate 112 in a spaced manner, the drainage wall heating wires 115 are arranged in the drainage wall cavities 114 on both sides respectively, and the capillary drainage tooth grooves 113 are connected with the drainage wall cavities 114 through the spaced drainage wall communication holes 116; the super-large drainage wall anti-clogging filter cloth 111 and the super-large drainage wall core plate 112 are arranged in the foundation soil layer 6.
[0040] The anti-fouling drainage plate 12 is composed of an anti-fouling drainage plate filter cloth 121, a drainage core plate 122, drainage grooves 123, a vacuum transmission main hole 124 and a vacuum transmission branch hole 125, the anti-fouling drainage plate filter cloth 121 is wrapped around the outer side of the drainage core plate 122 and is attached thereto, the drainage grooves 123 are uniformly arranged on the outer walls of the drainage core plate 122, the vacuum transmission main hole 124 is arranged inside the drainage core plate 122, the drainage grooves 123 are connected with the vacuum transmission main hole 124 through the vacuum transmission branch hole 125 arranged at intervals, and the anti-fouling drainage plate filter cloth 121 and the drainage core plate 122 are arranged inside the ground soil layer 6.
[0041] The width of the super-large prefabricated drainage wall 11 is 30cm-80cm, the thickness of the super-large prefabricated drainage wall 11 is 2cm-8cm, and the intermediate interval arranged at intervals is generally 1.5-2.5 times the width of the super-large prefabricated drainage wall 11; the super-large drainage wall anti-fouling filter cloth 111 and the anti-fouling drainage plate filter cloth 121 can adopt environment-friendly non-woven fabric materials, have good water immersion resistance and excellent water permeability.
[0042] The super-large drainage wall core plate 112 and the drainage core plate 122 can adopt ecological and environment-friendly materials, such as resin, environment-friendly chemical materials, etc., or can be prepared by mixing polyethylene (PE), polypropylene (PP) and chemical organic materials according to a suitable ratio, so that the super-large drainage wall core plate 112 and the drainage core plate 122 have the rigidity of polypropylene and the toughness of polyethylene.
[0043] The capillary drainage tooth grooves 113 and the drainage grooves 123 are arranged at intervals with a spacing of 3mm-5mm, and the width and depth of the capillary drainage tooth grooves 113 and the drainage grooves 123 are generally 3mm-5mm.
[0044] The soft foundation drainage consolidation system 1, the solar heating system 2, the vacuum pressure system 3, the water-filled pipe bag load increasing structure 4 and the heap load structure 5 are all provided with two or more than two.
[0045] The typical operation mode of the structure for solidifying and reinforcing the soft foundation by using solar energy includes the following three modes:
[0046] (1) Continuous heating and consolidation mode: for the summer with rich solar energy resources, this mode uses the solar panel 21 to absorb solar energy and store energy, and converts the energy into electric energy and stores the electric energy in the energy storage and conversion center 22, so that the control switch 25 is continuously in the on state, the super-large prefabricated drainage wall 11 is continuously heated by the heating wire 115 in the drainage wall through the under-film heating connection line 19, the heat can be transmitted to the ground soil layer 6 in the square grid divided by the super-large prefabricated drainage wall 11, and the ground soil layer 6 is heated, so that the superstatic pore water in the ground soil layer 6 is vertically discharged through the super-large prefabricated drainage wall 11 and the anti-fouling drainage plate 12, so that the deep soft soil layer 61 is drained and consolidated to be more compact.
[0047] (2) Intermittent heating and consolidation mode: for rainy season or relatively less sunny weather season, this mode uses solar panels 21 to absorb solar energy and store energy, and converts the energy into electrical energy and stores it in the energy storage conversion center 22, so that the control switch 25 is continuously in an intermittent on state, thereby intermittently heating the foundation soil layer 6, so that the excess pore water in the foundation soil layer 6 is vertically discharged through the super-large prefabricated drainage wall 11 and the anti-clogging drainage board 12, thereby making the deep soft soil layer 61 more compact.
[0048] (3) Temperature difference gradient field thermal consolidation mode: for the deep soft soil layer 61 consolidation in the consolidation fatigue period, this mode uses solar panels 21 to absorb solar energy and store energy, and converts the energy into electrical energy and stores it in the energy storage conversion center 22, so that the control switch 25 is in an intermittent on state according to the block, thereby making the super-large prefabricated drainage wall 11 in a hot and cold alternating state, thereby forming a stable gradient field in the foundation soil layer 6, using the electrode property of water molecules, so that the excess pore water in the foundation is vertically discharged through the super-large prefabricated drainage wall 11 and the anti-clogging drainage board 12 under the drive of the temperature gradient field, thereby making the deep soft soil layer 61 more compact.
[0049] The above embodiments are described in conjunction with the drawings, but should not be construed as limiting the scope of protection of the present application. It should be noted that for those skilled in the art, without departing from the concept of the present application, a number of equivalent modifications and non-creative improvements can be made, which are all within the scope of protection of the present application.
Claims
1. A structure for reinforcing soft foundations using solar thermal consolidation, characterized in that: The application relates to a soft foundation drainage consolidation system (1), a solar heating system (2), a vacuum pressure system (3), a water-filled pipe bag load increasing structure (4), a load increasing structure (5) and a foundation soil layer (6); the lower part of the soft foundation drainage consolidation system (1) is inserted into the foundation soil layer (6), and the upper part is arranged on the top surface of the foundation soil layer (6); the solar heating system (2) and the vacuum pressure system (3) are connected with the soft foundation drainage consolidation system (1) respectively; the load increasing structure (5) and the water-filled pipe bag load increasing structure (4) are arranged on the upper part of the soft foundation drainage consolidation system (1) from bottom to top, the vacuum pressure system (3) is arranged on the top surface of the load increasing structure (5), and the solar heating system (2) is arranged on the top surface of the foundation soil layer (6).
2. The structure for consolidating and reinforcing soft ground by using solar heat according to claim 1, wherein: The soft foundation drainage consolidation system (1) comprises an ultra-large prefabricated drainage wall (11), a silt-preventing drainage plate (12), an ultra-large plate connecting piece (13), a geotextile cushion layer (14), a horizontal vacuum pipe (15), a non-woven fabric protective layer (16), a vacuum sealing film (17), a sealing groove (18) and a film-under-heating connecting wire (19); the ultra-large prefabricated drainage wall (11) is arranged at intervals to form a drainage wall, the ultra-large prefabricated drainage wall (11) divides the foundation soil layer (6) into a square grid, the silt-preventing drainage plate (12) is arranged in the foundation soil layer (6) in the square grid divided by the ultra-large prefabricated drainage wall (11) at equal intervals, the ultra-large prefabricated drainage wall (11) is connected with the horizontal vacuum pipe (15) through the ultra-large plate connecting piece (13), the silt-preventing drainage plate (12) is connected with the vacuum pressure system (3) in a winding mode, the geotextile cushion layer (14) is arranged on the top surface of the foundation soil layer (6), the ultra-large prefabricated drainage wall (11) and the silt-preventing drainage plate (12) penetrate the geotextile cushion layer (14) and are connected with the horizontal vacuum pipe (15), the ultra-large prefabricated drainage wall (11) is connected with the solar heating system (2) through the film-under-heating connecting wire (19), the non-woven fabric protective layer (16) covers the ultra-large prefabricated drainage wall (11), the silt-preventing drainage plate (12), the ultra-large plate connecting piece (13), the geotextile cushion layer (14), the horizontal vacuum pipe (15), the film-under-heating connecting wire (19) and the upper part of the foundation soil layer (6), the non-woven fabric protective layer (16) is covered with the vacuum sealing film (17), and the non-woven fabric protective layer (16) and the vacuum sealing film (17) are buried in the foundation soil layer (6) through the sealing groove (18) around the four sides to seal the air. The solar heating system (2) comprises a solar panel (21), an energy storage conversion center (22), a connecting line (23), a support structure (24) and a control switch (25); the solar panel (21) is arranged on the upper part of the foundation soil layer (6) through the support structure (24), and the solar panel (21) is connected with the energy storage conversion center (22) through the connecting line (23); the energy storage conversion center (22) is connected with the under-membrane heating connecting line (19) through the control switch (25) and the connecting line (23), and heats the super-large prefabricated drainage wall (11) and the foundation soil layer (6); The vacuum pressure system (3) comprises a vacuum pump system (31), a vacuum connecting pipe (32) and a vacuum pipe connector (33); the vacuum pump system (31) is connected with the horizontal vacuum pipe (15) through the vacuum connecting pipe (32) and the vacuum pipe connector (33) in sequence; the vacuum pump system (31), the vacuum connecting pipe (32) and the vacuum pipe connector (33) are all arranged on the top surface of the surcharge structure (5); The water-filled pipe bag surcharge structure (4) comprises a geotextile water-filled pipe bag (41), filled water (42), a water inlet valve (43) and a drainage valve (44); the filled water (42) is filled in the geotextile water-filled pipe bag (41) through the water inlet valve (43), and the drainage valve (44) is arranged at the bottom side of the geotextile water-filled pipe bag (41); the geotextile water-filled pipe bag (41), the filled water (42), the water inlet valve (43) and the drainage valve (44) are all arranged on the top surface of the surcharge structure (5); The surcharge structure (5) comprises a bottom protection cushion layer (51) and a surcharge body (52); the bottom protection cushion layer (51) is arranged on the top surface of the vacuum sealing membrane (17), and the bottom protection cushion layer (51) and the surcharge body (52) are arranged on the top surface of the foundation soil layer (6) in sequence from bottom to top; The foundation soil layer (6) comprises a soft soil layer to be reinforced (61) and a hard soil layer (62); the hard soil layer (62) is located at the bottom of the soft soil layer to be reinforced (61), and the super-large prefabricated drainage wall (11) and the anti-clogging drainage board (12) vertically penetrate the soft soil layer to be reinforced (61) from top to bottom and are connected with the hard soil layer (62); the geotextile cushion layer (14), the horizontal vacuum pipe (15), the super-large plate connector (13), the under-membrane heating connecting line (19), the non-woven fabric protection layer (16) and the vacuum sealing membrane (17) are arranged on the top surface of the soft soil layer to be reinforced (61) in sequence from bottom to top.
3. The structure for consolidating and reinforcing soft ground by using solar heat according to claim 2, wherein: The super-large prefabricated drainage wall (11) comprises a super-large drainage wall silt-preventing filter cloth (111), a super-large drainage wall core plate (112), capillary drainage tooth grooves (113), drainage wall cavities (114), drainage wall heating wires (115) and drainage wall communication holes (116); the super-large drainage wall silt-preventing filter cloth (111) is wrapped around the outer side of the super-large drainage wall core plate (112) and is adhesively connected therewith, the capillary drainage tooth grooves (113) are uniformly arranged on the outer walls of the super-large drainage wall core plate (112), the drainage wall cavities (114) are arranged at intervals in the super-large drainage wall core plate (112), the drainage wall heating wires (115) are arranged in the drainage wall cavities (114) on both sides respectively, and the capillary drainage tooth grooves (113) are connected with the drainage wall cavities (114) through the interval-arranged drainage wall communication holes (116); the super-large drainage wall silt-preventing filter cloth (111) and the super-large drainage wall core plate (112) are arranged in the foundation soil layer (6). The silt-preventing drainage plate (12) comprises a silt-preventing drainage plate filter cloth (121), a drainage core plate (122), drainage grooves (123), a vacuum transmission main hole (124) and vacuum transmission branch holes (125); the silt-preventing drainage plate filter cloth (121) is wrapped around the outer side of the drainage core plate (122) and is adhesively connected therewith, the drainage grooves (123) are uniformly arranged on the outer walls of the drainage core plate (122), the vacuum transmission main hole (124) is arranged in the drainage core plate (122), and the drainage grooves (123) are connected with the vacuum transmission main hole (124) through the interval-arranged vacuum transmission branch holes (125); the silt-preventing drainage plate filter cloth (121) and the drainage core plate (122) are arranged in the foundation soil layer (6).
4. The structure for consolidating and reinforcing soft ground by using solar heat according to claim 1 or 2, wherein: The soft foundation drainage consolidation system (1), the solar heating system (2), the vacuum pressure system (3), the water-filled pipe bag load increasing structure (4) and the heap load structure (5) are each provided with two or more.