Heating and consolidation system for combined vacuum preloading and sealed and drying type solar water heater and construction method

A solar water heater and vacuum technology, applied in infrastructure engineering, soil protection, construction, etc., can solve the problems of high energy consumption, unsuitable for large-area construction applications, etc., to reduce heating costs, shorten soft soil consolidation time, The effect of increasing the final settlement

Pending Publication Date: 2019-09-03
TIANJIN PORT ENG INST LTD OF CCCC FIRST HARBOR ENG +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Both of these methods have the problem of high energy consumptio

Method used

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  • Heating and consolidation system for combined vacuum preloading and sealed and drying type solar water heater and construction method
  • Heating and consolidation system for combined vacuum preloading and sealed and drying type solar water heater and construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Such as figure 1 and figure 2 As shown, a heating and consolidation system and construction method of vacuum preloading combined with sun-drying solar water heaters, including several hollow core board plastic drainage boards 11, circulating water pipes, circulating pumps 6, vacuum filter tubes 12, and vacuum preloading jet pumps 13. Small enclosure 8, lamination groove 9, sealing film 2 and transparent film 5;

[0040] The plastic drainage board of the hollow core board is inserted into the soil body in a relatively folded manner by an inserting board device to form a U shape. The openings at both ends are located on the surface of the soil body and connected to the circulating water pipe. The water pipes are buried in the medium-coarse sand drainage cushion, and the vacuum filter pipe is laid in the medium-coarse sand drainage cushion;

[0041] Excavate the pressure film ditch around the reinforcement area, and fill the inside of the pressure film ditch to form a s...

Embodiment 2

[0055] A heating and consolidation system and construction method of vacuum preloading combined with sun-drying solar water heaters are carried out according to the following steps:

[0056] Step 1. Connect the exposed part of the U-shaped hollow core plastic drainage board in the foundation to the circulating water pipe. The two ends of the circulating water pipe are led out of the reinforcement area, and then the exposed part of the plastic drainage board and the circulating water The water pipes are embedded in the sand cushion,

[0057] Step 2, burying a vacuum filter pipe in the sand cushion, and leveling the surface of the sand cushion;

[0058] Step 3: Excavate a pressure film ditch around the reinforcement area, fill the excavated soil inside the pressure film ditch to form a small enclosure around the reinforcement area, lay a vacuum preloaded sealing film in the reinforcement area, and place the sealing film The four sides are buried in the pressure film ditch, and ...

Embodiment 3

[0065] The hollow core plastic drainage board described in Embodiment 1 and Embodiment 2 has the following structure:

[0066] It includes a hollow circular tube core plate and a filter membrane, the hollow circular tube core plate is used for circulating hot water, the outer surface of the hollow circular tube core plate is provided with longitudinal ribs at equal intervals, and the filter membrane is wrapped outside the hollow circular tube core plate.

[0067] The hollow circular core plate is integrally extruded from polyethylene, polypropylene or heat-resistant polyethylene, the inner diameter of the inner tube is 28-32mm, and the wall thickness of the tube is 1.3-1.7mm.

[0068] The ring stiffness of the hollow circular die plate is >6kN / m2.

[0069] The bending resistance of the hollow circular tube core plate must not bend when it is hot-simmered and bent at 10 times the bending diameter.

[0070] The tongue tear strength of the hollow circular tube core plate is >20N...

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Abstract

The invention discloses a heating and consolidation system for a combined vacuum preloading and sealed and drying type solar water heater and a construction method. The system comprises a plurality ofhollow core plate plastic water drainage plates, a circulating water pipe, a circulating pump, a vacuum filter pipe, a vacuum preloading jet pump, small cofferdams, pressed film ditches, a sealing film and a transparent film. According to the heating and consolidation system disclosed by the invention, by utilizing solar energy, water-on-film of the sealing film subjected to vacuum preloading isheated, and hot water circularly flows in the hollow core plate plastic water drainage plates through the circulating pump, so that the heating cost is reduced, application of the heating condensationmethod in the field of soft soil foundation treatment is promoted, the consolidation time of soft soil can be shortened, and the final settlement amount of the ground foundation is increased.

Description

technical field [0001] The invention belongs to the technical field of soft soil engineering foundation treatment, and in particular relates to a heating and consolidation system and a construction method of a vacuum preloading combined with sun-drying solar water heater. Background technique [0002] In the field of soft soil engineering foundation treatment, the drainage consolidation method has become a preferred process for large-area deep soft soil treatment. By setting plastic drainage boards in the soft soil to shorten the drainage path, and then combining vacuum preloading or surcharge preloading, the soft soil can be consolidated and strengthened within 3 to 4 months. In Tianjin, Huanghua Port, Lianyungang, etc. It has been widely used in land reclamation and land reclamation reinforcement. [0003] The theory of drainage consolidation method mainly includes Terzaghi's one-dimensional consolidation theory, Biot's consolidation theory, etc. The preloading load gener...

Claims

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Application Information

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IPC IPC(8): E02D3/10E02D3/11
CPCE02D3/10E02D3/11
Inventor 陈富
Owner TIANJIN PORT ENG INST LTD OF CCCC FIRST HARBOR ENG
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