Search

CN-224199886-U - Surcharge pre-pressing soft foundation treatment structure

CN224199886UCN 224199886 UCN224199886 UCN 224199886UCN-224199886-U

Abstract

The utility model provides a soft foundation treatment structure for preloading, which is arranged on a soft foundation, wherein a cofferdam is arranged on the soft foundation, the soft foundation treatment structure for preloading comprises a sand cushion layer, a heat conducting plate, a preloading layer, a water discharge conveying mechanism and a water storage heating mechanism, wherein the sand cushion layer is paved on the soft foundation and positioned in the cofferdam, the heat conducting plate is arranged on the sand cushion layer and is provided with a heat conducting pipeline, the preloading layer is arranged on the heat conducting plate, the water discharge conveying mechanism comprises a water collecting pipe, a main water discharging pipe and a water suction pump, the water collecting pipe is inserted into the soft foundation and is respectively communicated with the main water discharging pipe, a water seepage hole is formed in the water collecting pipe, the main water discharging pipe is communicated with the water suction pump, the water storage heating mechanism comprises a water storage tank, a heating device and a water discharging pump, the water storage tank is arranged on the preloading layer, the water storage tank is communicated with the water suction pump, the heating device is used for heating water in the water storage tank, the water storage tank and the heat conducting pipeline form a circulation loop, and the water discharging pump is used for driving the water in the water storage tank to flow in the circulation loop.

Inventors

  • CHEN WENJIE
  • CHEN XIAOYAN
  • TANG LIHUA
  • WEN CHAOHUI
  • HE BINGQIANG

Assignees

  • 广东筑奥生态环境股份有限公司

Dates

Publication Date
20260505
Application Date
20250506

Claims (10)

  1. 1. A soft foundation treatment structure of preloading, sets up on soft foundation (100), be provided with cofferdam (200) on soft foundation (100), its characterized in that, soft foundation treatment structure of preloading includes: A sand cushion (40), the sand cushion (40) being laid on the soft foundation (100) and located within the cofferdam (200); The heat conducting plate (30), the heat conducting plate (30) is arranged on the sand cushion layer (40) and is attached to the upper surface of the sand cushion layer (40), and a heat conducting pipeline (31) is arranged in the heat conducting plate (30); a stacking layer (20), wherein the stacking layer (20) is arranged on the upper surface of the heat conducting plate (30); The water draining and conveying mechanism (50), the water draining and conveying mechanism (50) comprises a plurality of water collecting pipes (53), a main water draining pipe (52) and a water suction pump (51), the plurality of water collecting pipes (53) are inserted into the soft foundation (100) along the vertical direction and are respectively communicated with the main water draining pipe (52), a plurality of water seepage holes (531) are formed in the side wall of the water collecting pipe (53) in a penetrating mode, the main water draining pipe (52) is buried in the sand cushion layer (40) and located above the water collecting pipes (53), and the main water draining pipe (52) is communicated with one end of the water suction pump (51); The water storage heating mechanism (10), water storage heating mechanism (10) include water storage tank (11), heating device (12) and drain pump (13), water storage tank (11) set up the upper surface of piling up layer (20), water storage tank (11) with the other end of suction pump (51) is linked together, heating device (12) set up in water storage tank (11) and be used for the heating water in water storage tank (11), water storage tank (11) with heat conduction pipeline (31) form the circulation loop, drain pump (13) are used for the drive water in water storage tank (11) is in flow in the circulation loop.
  2. 2. The soft foundation treatment structure for surcharge preloading according to claim 1, characterized in that the water storage tank (11) is provided with a cold water inlet (111) and a hot water outlet (112), the cold water inlet (111) is communicated with the other end of the water suction pump (51), and the cold water inlet (111) and the hot water outlet (112) are respectively communicated with the heat conducting pipeline (31).
  3. 3. The soft foundation treatment structure for surcharge preloading according to claim 2, characterized in that the heat conducting pipeline (31) is provided with a water inlet (32) and a water outlet (33), the water inlet (32) is communicated with the hot water outlet (112) through a pipeline, and the water outlet (33) is communicated with the cold water inlet (111) through a pipeline.
  4. 4. The soft foundation treatment structure of surcharge pre-load according to claim 2, characterized in that the drain pump (13) is arranged at the hot water outlet (112) of the water reservoir (11).
  5. 5. A soft foundation treatment structure for preloading according to claim 1, characterized in that said heat-conducting pipe (31) is of continuous U-shape.
  6. 6. The soft foundation treatment structure for surcharge preloading according to claim 1, characterized in that said heat-conducting plate (30) is made of an aluminium alloy material.
  7. 7. The soft foundation treatment structure for preloading according to claim 1, characterized in that the heating device (12) comprises an electric heating rod (121), a circulating water pump (122) and a temperature sensor (123), the electric heating rod (121) is used for heating water in the water storage tank (11), the temperature sensor (123) is used for monitoring the water temperature in the water storage tank (11), and the circulating water pump (122) is used for promoting the water in the water storage tank (11) to circulate in the tank.
  8. 8. The soft foundation treatment structure for preloading according to claim 1, characterized in that a heat-insulating layer (113) is arranged on the water storage tank (11), the heat-insulating layer (113) is attached to the outer surface of the water storage tank (11), and the heat-insulating layer (113) is made of polyurethane foaming materials.
  9. 9. The soft foundation treatment structure for preloading according to claim 1, wherein a water outlet (114) is formed in the water storage tank (11), a water discharge valve (14) is arranged at the water outlet (114), a water level sensor (15) is arranged in the water storage tank (11), and the water level sensor (15) is used for monitoring the water level in the water storage tank (11).
  10. 10. A soft foundation treatment structure for preloading according to claim 1, characterized in that the upper surface of the water reservoir (11) is provided with an exhaust valve (16).

Description

Surcharge pre-pressing soft foundation treatment structure Technical Field The utility model relates to the technical field of soft foundation treatment, in particular to a soft foundation treatment structure for preloading. Background The soft foundation is a weak soil layer with low strength and high compression amount, and road construction and construction are often greatly damaged directly on the soft foundation, so that the soft foundation is required to be reinforced. The existing soft foundation treatment and reinforcement method is generally a preloading method, wherein the preloading method refers to that after load is applied to a saturated soft soil foundation, pore water is slowly discharged, the pore volume is reduced, and the foundation is consolidated and deformed. Meanwhile, as the hyperstatic pressure is gradually dissipated, the effective stress is gradually increased, the foundation soil strength is gradually increased, and the foundation soil is unloaded after reaching a preset standard, so that the foundation soil is compacted, settled and solidified. The Chinese patent CN210562113U discloses a soft foundation treatment structure for preloading, which comprises a foundation to be preloading, a sand cushion layer is paved on the upper surface of the foundation to be preloading, a preloading material is paved on the upper surface of the sand cushion layer, water collecting tanks are respectively arranged around the foundation to be preloading, water storage layers for collecting pore water are formed in the water collecting tanks, and the water storage layers are communicated with a water pumping device placed on the ground. The soft foundation treatment structure for preloading can collect and extract the pore water discharged after preloading in the soft foundation in a concentrated manner, so that the risk of rewet of the pore water remained in the soil layer is reduced, and the collected pore water can be further treated and recovered. However, the above-mentioned soft foundation treatment structure for preloading is only to rely on the extrusion of the preloading material to accelerate the discharge of pore water in the soft foundation, and has low water discharge efficiency, and the soft foundation treatment structure for preloading effectively and secondarily utilizes the discharged gap water lack structure. Disclosure of utility model The utility model aims to provide a soft foundation treatment structure for preloading, which aims to solve or at least partially solve the defects in the prior art, and can not only effectively utilize pore water as a ballast weight for increasing the soft foundation and as a heat conduction medium, but also accelerate the drainage, sedimentation, compaction and consolidation of the soft foundation. The utility model provides a soft foundation treatment structure for preloading, which is arranged on a soft foundation, wherein a cofferdam is arranged on the soft foundation, the soft foundation treatment structure for preloading comprises a sand cushion layer, a heat conducting plate, a preloading layer, a water draining and conveying mechanism and a water storage and heating mechanism, the sand cushion layer is paved on the soft foundation and positioned in the cofferdam, the heat conducting plate is arranged on the sand cushion layer and is attached to the upper surface of the sand cushion layer, a heat conducting pipeline is arranged in the heat conducting plate, the preloading layer is arranged on the upper surface of the heat conducting plate, the water draining and conveying mechanism comprises a plurality of water collecting pipes, a main drain pipe and a water suction pump, the plurality of water collecting pipes are inserted into the soft foundation along the vertical direction and are respectively communicated with the main drain pipe, a plurality of water seepage holes are formed in a penetrating way on the side wall of the water collecting pipes, the main drain pipe is buried above the sand cushion layer, the main drain pipe is communicated with one end of the water suction pump, the water storage and heating mechanism comprises a water storage tank, a heating device and a drainage pump, the water storage tank is arranged on the upper surface of the preloading layer, the water storage tank is communicated with the other end of the water suction pump, the heating device is arranged in the water storage tank and is used for heating water in the water storage tank, the water storage tank is inserted into the water storage pipeline, the water storage pump is respectively, the water storage pipe is respectively communicated with the water drainage pipe, and the water drainage pipe is used for water storage pump, and the water storage pump. Further, a cold water inlet and a hot water outlet are arranged on the water storage tank, the cold water inlet is communicated with the other end of the water suction pump, and the cold water inlet and the