CN210395309U - Side wing core plate plastic drainage plate capable of circulating hot water - Google Patents
Side wing core plate plastic drainage plate capable of circulating hot water Download PDFInfo
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- CN210395309U CN210395309U CN202020390368.4U CN202020390368U CN210395309U CN 210395309 U CN210395309 U CN 210395309U CN 202020390368 U CN202020390368 U CN 202020390368U CN 210395309 U CN210395309 U CN 210395309U
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Abstract
The utility model relates to a hot water's utensil flank core plastics drain bar can circulate, including utensil flank core and filter membrane, the filter membrane parcel is on the surface of utensil flank core, utensil flank core includes the pipe and sets up the flank board on the pipe outer pipe wall, the pipe is used for circulating hot water, the circumference equipartition has a plurality of vertical stupefied bones on the pipe lateral wall, also the equidistance interval is equipped with a plurality of vertical stupefied bones on the both sides face of flank board. The utility model has the advantages that the side wing core plate is integrally formed, hot water is introduced into the round pipe without arranging heating wires, the construction efficiency is higher, the energy is saved, the operation is safer, the hot water can be circulated in the round pipe to improve the temperature of the soil around the plastic drainage plate, the permeability coefficient of the soil is increased, and the consolidation of the soil is accelerated; the side wing plate increases the equivalent diameter and the drainage flow of the plastic drainage plate.
Description
Technical Field
The utility model relates to a civil engineering's technical field especially relates to a hot water circulation's utensil flank core plastics drain bar.
Background
In the field of soft soil engineering foundation treatment, a preferred process for treating large-area deep soft soil is realized by arranging a plastic drainage plate to accelerate soil consolidation. However, the drainage consolidation method has disadvantages of long consolidation time and large post-construction settlement because of the characteristic of small permeability coefficient of soft soil.
In recent years, the academic community has comprehensively studied the characteristics of the heated soil body, and the irreversible volume shrinkage strain is found to be generated after the normal consolidated soil is heated. The permeability coefficient of the soil body is obviously increased along with the rise of the temperature, and the permeability coefficient at 90 ℃ is about 3 times of that at 25 ℃. The Thailand scholars Abuel-Naga carried out a series of indoor large-scale consolidation apparatus tests and small-size on-the-spot preloading tests to mangu soft clay silt, contrasts heating type plastics drain bar and ordinary plastics drain bar, has verified that heating the plastics drain bar can accelerate the soft soil consolidation and can increase final settlement. Theories and tests show that the heating consolidation method is a very promising soft soil foundation treatment technology, and the heating type plastic drainage plate is the core of the whole heating consolidation method technology.
However, the heating type plastic drainage plate applied to the laboratory at the present stage has the problems of complex manufacturing, low construction efficiency, easy short circuit and electric leakage, large power consumption and the like. In order to solve the problems, the plastic drainage plate CN201910120672.9 of the hollow circular tube core plate capable of circulating hot water, which is previously applied by the applicant, simplifies the manufacturing process of the existing heating type plastic drainage plate, and adopts an extrusion molding process to manufacture the hollow circular tube core plate by using a heat-resistant polyethylene PERT material, and then a filter membrane is wound outside, so that the function of heating the surrounding soil body by circulating hot water in the plastic drainage plate is realized, and the drainage function of the filter membrane outside the core plate is not influenced. The design ensures the working performance of the plastic drainage plate under long-term heating, and improves the manufacturing and on-site construction efficiency of the heating type plastic drainage plate. However, the problem that the equivalent drainage diameter of the plastic drainage plate is smaller due to the limitation of the pipe diameter of the core plate exists in the invention, so how to increase the equivalent drainage diameter of the plastic drainage plate on the basis of utilizing the core plate to circulate hot water is a technical problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects of the prior art and provide a side wing core plate plastic drainage plate capable of circulating hot water.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
the utility model provides a circulated hydrothermal utensil flank core plastics drain bar, includes utensil flank core and filter membrane, the filter membrane parcel is on the surface of utensil flank core, utensil flank core includes the pipe and sets up the flank board on the outer pipe wall of pipe, the pipe is used for circulating hot water, the circumference equipartition has a plurality of vertical stupefied bones on the pipe lateral wall, also the equidistance interval is equipped with a plurality of vertical stupefied bones on the both sides face of flank board.
In particular, the number of the side wing plates is one, and the side wing plates are separately arranged on the outer side wall of the circular tube.
In particular, the number of the side wing plates is two, and the side wing plates are symmetrically arranged on two sides of the outer side wall of the circular tube.
The length of the side wing plate extending out of the outer side wall of the circular tube is 3-5 cm.
The inner diameter of the circular tube is 16-20mm, and the wall thickness of the circular tube is 1.3-1.8 mm.
The width of the longitudinal concha is 0.8-1.2mm, and the height is 1.8-2.2 mm.
The distance between two adjacent longitudinal ribs on the side wing plate is 1.8-2.2 mm.
The core plate with the side wings is integrally formed by extrusion molding of polyethylene, polypropylene or heat-resistant polyethylene.
Tensile strength of the core plate with side wings>1.6 kN; elongation of the core plate with side wings>4 percent; the side wing core plate has longitudinal water flow under the condition that the side pressure is 350kPa>40cm3/s。
The ring steel of the said round tubeDegree of rotation>6kN/m2(ii) a The bending resistance of the round pipe is required to be not bent when the round pipe is hot-bent under the bending diameter of 10 times; tongue tear strength of the round tube>20N。
The filter membrane is made of non-woven geotextile; mass per unit area of the filter membrane>90g/m2(ii) a Thickness of the filter membrane>0.3 mm; longitudinal dry tensile strength of the filter membrane at 10% elongation>30N/cm; longitudinal wet tensile strength of the filter membrane after soaking in water for 24 hours and with elongation of 15 percent>25N/cm; the permeability coefficient K of the filter membrane after being soaked in water for 24 hours20>5.0*10-3cm/s; equivalent pore size O of the filter membrane95<0.075mm。
The use method of the plastic drainage plate with the side wing core plate capable of circulating hot water comprises the steps of inserting the plastic drainage plate to a specified depth at a speed of 1m/s through a sleeve of a plate inserting machine, keeping openings at two ends of the plastic drainage plate on the ground in the inserting process, then pulling out the sleeve to keep the plastic drainage plate in a soil body, injecting circulating hot water into a round pipe of the plastic drainage plate through one port, keeping the temperature of the hot water above 80 ℃, heating the peripheral soil body through the circulating hot water, increasing the permeability coefficient of the soil body, and accelerating consolidation of the soil body.
The utility model has the advantages that: the utility model has the advantages that the side wing core plate is integrally formed, hot water is introduced into the round pipe without arranging heating wires, the construction efficiency is higher, the energy is saved, the operation is safer, the hot water can be circulated in the round pipe to improve the temperature of the soil around the plastic drainage plate, the permeability coefficient of the soil is increased, and the consolidation of the soil is accelerated; the side wing plate increases the equivalent diameter and the drainage flow of the plastic drainage plate.
Drawings
Fig. 1 is a schematic structural view of the present invention when the number of the side wing plates is one;
FIG. 2 is a schematic structural view of the present invention when the number of the side wing plates is two;
in the figure: 1-a core plate with side wings; 2-a filter membrane; 3-round tube; 4-side wing plate; 5-longitudinal concha;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
specific example 1:
as shown in figure 1 of the drawings, in which,
the utility model provides a hot water of circulated utensil flank core plastics drain bar, includes utensil flank core 1 and filter membrane 2, 2 parcels of filter membrane are on the surface of utensil flank core 1, utensil flank core 1 includes pipe 3 and sets up flank board 4 on 3 outer pipe walls of pipe, pipe 3 is used for circulating hot water, the circumference equipartition has a plurality of vertical stupefied bones 5 on 3 lateral walls of pipe, also the equidistance interval is equipped with a plurality of vertical stupefied bones 5 on the both sides face of flank board 4.
The side wing plate 4 is provided with one side, is separately arranged on the outer side wall of the circular tube 3 and is a plastic drainage plate with a single-side form.
The length of the side wing plate 4 extending out from the outer side wall of the round pipe 3 is 4 cm.
The inner diameter of the circular tube 3 is 20mm, and the wall thickness of the tube wall is 1.5 mm.
The width of the longitudinal concha 5 is 1mm, and the height is 2 mm.
The distance between two adjacent longitudinal ribs 5 on the side wing plates 4 is 2 mm.
The core plate 1 with the side wings is integrally formed by extrusion molding of heat-resistant polyethylene.
The filter membrane 2 is made of non-woven geotextile, namely a coiled material for civil engineering which is made of synthetic fiber by weaving or by cementing and hot-pressing needling non-woven technology.
The performance indexes of the plastic drainage plate with the side core plate capable of circulating hot water are shown in the following table 1.
Table 1 performance index of plastic drainage plate with side wing core plate capable of circulating hot water.
Specific example 2:
as shown in figure 2 of the drawings, in which,
the utility model provides a hot water of circulated utensil flank core plastics drain bar, includes utensil flank core 1 and filter membrane 2, 2 parcels of filter membrane are on the surface of utensil flank core 1, utensil flank core 1 includes pipe 3 and sets up flank board 4 on 3 outer pipe walls of pipe, pipe 3 is used for circulating hot water, the circumference equipartition has a plurality of vertical stupefied bones 5 on 3 lateral walls of pipe, also the equidistance interval is equipped with a plurality of vertical stupefied bones 5 on the both sides face of flank board 4.
The number of the side wing plates 4 is two, and the side wing plates are symmetrically arranged on two sides of the outer side wall of the circular tube 3 to form the double-side plastic drainage plate.
The length of the side wing plate 4 extending out of the outer side wall of the round pipe 3 is 5 cm.
The inner diameter of the circular tube 3 is 16mm, and the wall thickness of the tube wall is 1.8 mm.
The width of the longitudinal concha 5 is 1.2mm, and the height is 2.2 mm.
The distance between two adjacent longitudinal ribs 5 on the side wing plates 4 is 2.2 mm.
The core plate 1 with the side wings is integrally formed by extruding polypropylene.
The performance indexes of the plastic drainage plate with the side core plate capable of circulating hot water are shown in the following table 2.
TABLE 2 Performance index of plastic drainage plate with side wing core plate capable of circulating hot water
Specific example 3:
the utility model provides an application of utensil flank core board plastics drain bar of circulated hot water in soft soil foundation reinforcement, specific step is:
leveling a site, and paving a medium-coarse sand cushion layer with the thickness of 40-50 cm, wherein the permeability coefficient is required to be more than 10-3 m/s;
hanging one end of the plastic drainage plate with the side wing core plate capable of circulating hot water at the top of the plugboard sleeve, then freely falling along the plugboard sleeve and bypassing the pipe boot at the bottom of the sleeve;
thirdly, in order to protect the plastic drainage plate from being damaged in the inserting process, a hard plastic protective sleeve is added at the position of the plastic drainage plate outside the surrounding sleeve to prevent the reduction of water permeability caused by bending of the plastic drainage plate, and the diameter of an inward bend of the hard protective sleeve is larger than five times of the diameter of the plastic drainage plate;
inserting the plugboard sleeve to a specified depth at a speed of 1m/s through machinery, and keeping the plastic drainage plate on the other side from intermittently entering in the process of inserting the plugboard sleeve so as to prevent the plastic drainage plate from being clamped and torn;
step five, after the flashboard sleeve is inserted to a specified depth, the plastic drainage board is cut off, and the length of an outer sand leakage cushion layer is 0.5 m;
step six, unfastening the end of the original plastic drainage plate from the top of the plugboard sleeve, then hanging one end of the new plastic drainage plate of the residual hollow circular tube core plate on the top of the plugboard sleeve again, and slowly pulling out the plugboard sleeve from the soil body to enable the plastic drainage plate which is inserted into the soil body to be remained in the soil body;
moving to the next point, repeating the steps, arranging the inserting plates according to a square or equilateral triangle, and setting the distance between every two adjacent inserting plates to be 0.7-2.0 m;
step nine, after the plastic drainage plate is arranged, connecting one end of the hollow circular tube core plate of the plastic drainage plate by using a hand pump, sealing the other end of the hollow circular tube core plate, checking the airtightness of the whole hollow circular tube core plate in the plastic drainage plate, and if water leakage is found, arranging the plastic drainage plate again;
step ten, connecting the hollow circular tube core plate of the plastic drainage plate with a circulating hot water pipeline by using a plastic joint in a hot melting mode, wherein the hot water pipeline is connected with a hot water pool;
step eleven, embedding a temperature sensor in a position close to the plastic drainage plate in the foundation, and connecting the temperature sensor with a temperature controller;
and step twelve, starting a circulating pump in the hot water tank, heating the foundation by using the main pipeline and the hollow circular pipe core plate of the plastic drainage plate, and performing prepressing drainage consolidation on the foundation by combining methods such as preloading, vacuum combined preloading and the like.
Step thirteen, starting a temperature controller, and starting a circulating pump to circulate hot water to the hollow circular tube core plate of the plastic drainage plate when the temperature of the temperature sensor is lower than 60 ℃;
and step fourteen, in the prepressing process, monitoring foundation settlement, pore water pressure dissipation, soil body temperature change and the like, and unloading when the calculated consolidation degree reaches more than 90%.
Specific example 4:
the plastic drainage plate in the form of the single side and the plastic drainage plates in the form of the double sides increase the equivalent drainage perimeter of the plastic drainage plate and the number of drainage tooth grooves between two adjacent longitudinal ribs 5.
The inner diameter of the round tube 3 is 20mm, and the wall thickness is 1.8 mm; the height of the longitudinal concha 5 is 2.2 mm; the extending length of the side wing plate 4 is 40 mm; approximately estimating the distance between two adjacent longitudinal ridges 5 by taking the example that the distance is 2 mm;
hollow circular tube core plate:
the perimeter of the section of the drainage plate is =2 × pi × [ (20 +1.8+ 2.2)/2 ] =75.36 mm;
the number of the drainage plate tooth grooves is =75.36/2= 37.68;
hollow circular tube core plate plus side wing plate (taking one side as an example):
the perimeter of the section of the drainage plate is =2 × pi × [ (20 +1.8+ 2.2)/2 ] +40 × 2=155.36 mm;
the number of the drainage plate tooth grooves is =37.68+40/2 × 2= 77.68;
hollow circular tube core plate plus side wing plate (taking two sides as an example):
the perimeter of the section of the drainage plate is =2 × pi × [ (20 +1.8+ 2.2)/2 ] +40 × 4=235.36 mm;
the number of the drainage plate tooth grooves is =37.68+40/2 × 4= 117.68;
comparative data are given in table 3 below:
the utility model has the advantages that the side wing core plate is integrally formed, hot water is introduced into the circular tube 3, no heating wire is needed to be arranged, the construction efficiency is higher, the energy is saved, the operation is safer, the hot water can be circulated in the circular tube 3 to improve the temperature of the soil around the plastic drainage plate, the permeability coefficient of the soil is increased, and the consolidation of the soil is accelerated; the side wing plates 4 increase the equivalent diameter and the drainage flow rate of the plastic drainage plate.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a hot water of circulated utensil flank core plastics drain bar, its characterized in that, is including utensil flank core (1) and filter membrane (2), filter membrane (2) parcel is on the surface of utensil flank core (1), utensil flank core (1) includes pipe (3) and side wing board (4) of setting on pipe (3) outer pipe wall, pipe (3) are used for circulating hot water, the circumference equipartition has a plurality of vertical stupefied bones (5) on pipe (3) lateral wall, also the equidistance interval is equipped with a plurality of vertical stupefied bones (5) on the both sides face of side wing board (4).
2. A plastic drainboard with side wing plates for circulating hot water according to claim 1, wherein the number of the side wing plates (4) is one, and the side wing plates are separately arranged on the outer side wall of the round pipe (3).
3. The plastic drainage plate with side wing plates for circulating hot water of claim 1, wherein the number of the side wing plates (4) is two, and the two side wing plates are symmetrically arranged on two sides of the outer side wall of the circular tube (3).
4. A hot water circulation flanked core plastic drain board according to any of claims 1-3, characterized in that the flanks (4) extend 3-5cm away from the outer side wall of the tube (3).
5. A plastic drainage plate with side wing core plate for circulating hot water according to claim 4, characterized in that the inner diameter of the round tube (3) is 16-20mm, and the wall thickness of the tube wall is 1.3-1.8 mm.
6. A plastic drainage board with side wing core board for circulating hot water according to claim 5, characterized in that the width of the longitudinal ribs (5) is 0.8-1.2mm and the height is 1.8-2.2 mm.
7. A plastic drainage board with side wing core board for circulating hot water according to claim 6, characterized in that the distance between two adjacent longitudinal ribs (5) on the side wing board (4) is 1.8-2.2 mm.
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| CN202020390368.4U CN210395309U (en) | 2020-03-25 | 2020-03-25 | Side wing core plate plastic drainage plate capable of circulating hot water |
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| CN202020390368.4U CN210395309U (en) | 2020-03-25 | 2020-03-25 | Side wing core plate plastic drainage plate capable of circulating hot water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609670A (en) * | 2020-12-08 | 2021-04-06 | 中交天津港湾工程研究院有限公司 | Plastic drainage plate and foundation heating circulation system formed by end joints of plastic drainage plate |
| CN112627165A (en) * | 2020-12-08 | 2021-04-09 | 中交天津港湾工程研究院有限公司 | Vacuum preloading and foundation heating combined foundation treatment system |
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2020
- 2020-03-25 CN CN202020390368.4U patent/CN210395309U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609670A (en) * | 2020-12-08 | 2021-04-06 | 中交天津港湾工程研究院有限公司 | Plastic drainage plate and foundation heating circulation system formed by end joints of plastic drainage plate |
| CN112627165A (en) * | 2020-12-08 | 2021-04-09 | 中交天津港湾工程研究院有限公司 | Vacuum preloading and foundation heating combined foundation treatment system |
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