CN105295174B - A kind of sensing type geo-grid material and its structure - Google Patents

A kind of sensing type geo-grid material and its structure Download PDF

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CN105295174B
CN105295174B CN201510814524.9A CN201510814524A CN105295174B CN 105295174 B CN105295174 B CN 105295174B CN 201510814524 A CN201510814524 A CN 201510814524A CN 105295174 B CN105295174 B CN 105295174B
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grid
carbon black
carbon nanotube
calcium carbonate
main rib
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CN105295174A (en
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崔新壮
侯飞
金青
黄丹
刘泽群
张炯
崔社强
郑英杰
汤潍泽
楼俊杰
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Shandong University
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C3/00—Foundations for pavings
    • E01C3/04—Foundations produced by soil stabilisation
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/005—Soil-conditioning by mixing with fibrous materials, filaments, open mesh or the like
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Architecture (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention relates to a kind of sensing type geo-grid material and its structures, including polymeric matrix, carbon nanotube and superconduction carbon black are added in the polymeric matrix as conductive filler, the polymeric matrix is high density polyethylene (HDPE) matrix, the carbon nanotube accounts for 3% the 7% of raw material gross mass, and the superconduction carbon black accounts for 6% the 14% of raw material gross mass.The present invention proposes a kind of high intensity, the production method of the sensing type TGXG of high frictional resistance, the type TGXG had both overcome the problem of traditional TGXG self-strength is inadequate, the pulling sensitive effect of conductive polymer composite is utilized again, the deformation information of grid and reinforcing body can be easily obtained by the resistance variations for detecting grid itself, implantation without external sensor and other equipment, so as to avoid the generation of the disturbance to reinforcing body and sensor durability itself not foot phenomenon, suitable for the deformation monitoring and safe early warning of earth structure in life cycle management.

Description

A kind of sensing type geo-grid material and its structure
Technical field
The present invention relates to field of civil engineering, more particularly to a kind of sensing type geo-grid material and its structure.
Background technology
Since TGXG generates, had been widely used in the engineerings such as road, water conservancy, building, and obtain Huge economic results in society.TGXG is with polypropylene, polyvinyl chloride etc. as a kind of common Earthworking reinforced bar material The two-dimensional mesh trellis that high molecular polymer is formed through thermoplastic or molding or the 3 D stereo grid screen with certain altitude, are mostly used In Reinforced Embankment engineering, basement process and embankment slope protection works.As society requires not the construction qualities such as road, building Disconnected to improve, requirement of the engineering to TGXG performance and function is also higher and higher.However at present, TGXG product usually only has There are a single reinforcement effects, and the problem of due to its own the strength of materials and design, lead to TGXG in Practical Project In tensile strength is relatively low, frictional resistance is poor, the reinforcement effects actually played are limited；Meanwhile existing TGXG is reinforced Method can not easily be detected the deformation information of itself and its reinforcing body, if being detected, need other equipment with The support of technology increases the difficulty and cost of monitoring.
Invention content
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of sensing type geo-grid material and its Structure.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
A kind of sensing type geo-grid material, including polymeric matrix, in the polymeric matrix add carbon nanotube and Superconduction carbon black is as conductive filler.
The present invention proposes a kind of addition carbon nanotube, the sensing type geo-grid material of superconduction carbon black.As conductive high The filler of molecular material, carbon nanotube are a kind of new structure substances of carbon, have abnormal excellent mechanics, electricity and chemically Can, and go deep into carbon nanotube research, application prospect is constantly shown；Superconduction carbon black has low resistance or high electricity It is resistive can, product electric action can be assigned, feature is small for grain size, large specific surface area and coarse etc..Be added to carbon nanotube and The TGXG of superconduction carbon black can utilize the pulling sensitive effect of conductive polymer composite, by the electricity for detecting grid itself Resistiveization can easily obtain the deformation information of grid and reinforcing body, without the implantation of external sensor and other equipment, from And the generation of disturbance to reinforcing body and sensor durability itself not foot phenomenon is avoided, suitable for geotechnological in life cycle management The deformation monitoring and safe early warning of structure.
The polymeric matrix is high density polyethylene (HDPE) matrix, and the carbon nanotube accounts for the 3%-7% of raw material gross mass, institute State the 6%-14% that superconduction carbon black accounts for raw material gross mass.
Selection high density polyethylene (HDPE) is polymeric matrix, can obtain the composite material of high-strength and high-conductivity.Carbon nanometer Pipe is spiked into different to the influence of substrate performance in high density polyethylene (HDPE) matrix, carbon nanotube conduct as filler with superconduction carbon black The mechanics and electric conductivity of polymer can be improved during filler simultaneously, but financial cost is high, and it is compound in acquisition to add superconduction carbon black Mechanical property is but reduced during the electric conductivity of body.Under this ratio, financial cost is relatively low for carbon nanotube and superconduction carbon black, and And the good electric conductivity of complex and mechanical property can be obtained.
The mass ratio of the carbon nanotube and the superconduction carbon black is 1:2.
Carbon nanotube and superconduction carbon black can obtain the geo-grid material of the high frictional resistance of high intensity using said ratio.
Nm-class active calcium carbonate is added in the conductive filler, the nm-class active calcium carbonate accounts for raw material gross mass 10%-30%.
When carbon nanotube or superconduction carbon black are individually added into matrix polymer, it usually needs add more carbon nanotube Or superconduction carbon black could obtain ideal electric conductivity, the manufacture cost of composite material is very when causing to add more carbon nanotube Height, economic feasibility are relatively low；The comprehensive strength of composite material is relatively low when adding more large content of carbon black, and mechanical property is poor.Cause This, the present invention has used carbon nanotube and superconduction carbon black as conductive filler, based on carbon nanotube conducting, superconduction carbon black simultaneously Supplemented by, while suitable inorganic particulate nano calcium carbonate is added into matrix.Nano-calcium carbonate passes through first in the composite Volume excludes effect, promotes the mutual overlap joint being more prone between carbon nanotube, so as to improve the electric conductivity of composite material, Can also severe plastic deformation consumption be occurred so as to cause particle surrounding matrix by inorganic solid particles and basal body interface unsticking simultaneously Scattered energy reaches activeness and quietness purpose.
Titanate coupling agent is added in the nm-class active calcium carbonate, the titanate coupling agent is the nano active carbon The 2%-5% of the calcareous amount of acid.
In order to which nano-calcium carbonate is made to uniformly disperse in the base, avoid occurring the performance of agglomeration influence complex, originally The nm-class active calcium carbonate of stearic acid processing is selected in invention, while in order to improve point between nano-calcium carbonate and polymeric matrix Property and cohesive force are dissipated, surface modification is carried out to nano-calcium carbonate using titanate coupling agent, improves its compatibility with matrix.
A kind of sensing type TGXG structure, including the main rib being made of the polymer for being added to conductive filler and auxiliary rib, The main rib is connected with auxiliary rib at node, and the diameter of the main rib is more than the diameter of the auxiliary rib；According to the electrostrictive polymer Relationship between resistance and deformation by measuring the resistance value of the polymer, obtains the deformation values of TGXG structure.
Present invention utilizes the pulling sensitive effect of conductive polymer composite, by detecting the resistance variations of grid itself i.e. The deformation information of grid and reinforcing body can be easily obtained, without the implantation of external sensor and other equipment, so as to avoid The generation of disturbance and sensor itself durability to reinforcing body not foot phenomenon, suitable for the change of earth structure in life cycle management Shape monitors and safe early warning.
The longitudinally parallel arrangement of main rib, the main rib is equipped with continuous protrusion, described raised along the main rib Surface broken line type arrangement.
The node is equipped with protrusion, and the protrusion is arranged along the diagonal line style of the node.
Setting protrusion can increase the contact area between grid and reinforcing body, with increasing friction force, prevent grid outside The phenomenon that power occurs to slide relatively since friction is insufficient under the action of applying with reinforcing body.
The height of the protrusion is 2-4mm.
The auxiliary rib diagonally with the main rib interconnection.
The beneficial effects of the invention are as follows：
The present invention proposes a kind of addition carbon nanotube, superconduction carbon black, the high intensity of nano-calcium carbonate, the sensing of high frictional resistance The production method of type TGXG, the type TGXG had not only overcome the problem of traditional TGXG self-strength is inadequate, but also The pulling sensitive effect of conductive polymer composite is utilized, lattice can be easily obtained by the resistance variations for detecting grid itself The deformation information of grid and reinforcing body, without the implantation of external sensor and other equipment, so as to avoid the disturbance to reinforcing body With the generation of sensor durability not foot phenomenon itself, the deformation monitoring and safety suitable for earth structure in life cycle management are pre- It is alert.For the frictional resistance of existing TGXG and reinforcing body deficiency, the generation of grid sliding phenomenon in reinforcing body, present invention weight Newly the resemblance of grid is improved, increases the contact friction between grid and reinforcing body.Present invention uses big Cheap inorganic non-metallic material is measured, production cost is reduced while improving grid performance, economic feasibility is high, has Extremely wide application prospect.
Description of the drawings
Fig. 1 is polymer percolation phenomena schematic diagram；
Fig. 2 is grid net type figure；
Fig. 3 is main rib and node schematic diagram；
Fig. 4 is variation relation matched curve of the normalized resistance rate with strain；
In figure：1st, main rib；2nd, auxiliary rib；3rd, node；4th, main rib protrusion；5th, node protrusion.
Specific embodiment
Below in conjunction with attached drawing, the present invention is described in detail.
Principle：
(1) filled composite type conducting polymer composite is most widely used conducing composite material, it is polymerize in matrix The conductive fillers such as carbon nanotube, superconduction carbon black, carbon fiber, graphite are added in object to be combined.As conducting polymer composite Filler, carbon nanotube are a kind of new structure substances of carbon, mechanics, electricity and the chemical property for having exception excellent, and with Carbon nanotube research is goed deep into, and application prospect is constantly shown；Superconduction carbon black has low resistance or higher resistive energy, energy Product electric action is assigned, feature is small for grain size, large specific surface area and coarse etc..However, individually add into matrix polymer When adding carbon nanotube or superconduction carbon black, it usually needs ideal conduction could be obtained by adding more carbon nanotube or superconduction carbon black Property, the manufacture cost of composite material is very high when causing to add more carbon nanotube, and economic feasibility is relatively low；Add larger content Carbon black when composite material comprehensive strength it is relatively low, mechanical property is poor.Therefore, the present invention has used carbon nanotube and has surpassed simultaneously Carbon black is led as conductive filler, based on carbon nanotube conducting, supplemented by superconduction carbon black, while is added into matrix suitable inorganic Particle nano-calcium carbonate.Nano-calcium carbonate in the composite first by volume exclude effect, promote carbon nanotube between more Add and readily mutually overlap, so as to improve the electric conductivity of composite material, while inorganic solid particles and matrix can also be passed through Interfacial detachment occurs severe plastic deformation dissipation energy so as to causing particle surrounding matrix and reaches activeness and quietness purpose.
(2) conductive polymer composite have typical percolation phenomena, show as conductive polymer composite with The increase of filer content and process that resistivity drastically declines, as shown in Figure 1.Conductive polymer composite contains with filler Amount increases and region that resistivity drastically declines, is referred to as being percolated region.Meanwhile conductive polymer composite usually has machine Quick property, shows as pulling sensitive effect or voltage-sensitive effect.Wherein, pulling sensitive effect refers to that conductive polymer composite is made in external pull With lower resistance by the transition process of low resistance to high value, the increase of composite material resistance rate is shown as.It is selected in practical application Conductive polymeric fillers content when change in resistance is most apparent, i.e., specific best filer content, is answered using conducting polymer The variation relation of condensation material resistivity under a stretching force determines its deformation size, and prepare sensing type geotechnique's lattice with this rule Grid.
Implementation steps：
(1) filler and its optimal content determine in grid；
Carbon nanotube and superconduction carbon black are spiked into high density polyethylene (HDPE) matrix to the influence of substrate performance not as filler Together, the mechanics and electric conductivity of polymer can be improved when carbon nanotube is as filler simultaneously, but financial cost is high, and adds superconduction Carbon black but reduces mechanical property in the electric conductivity for obtaining complex.It probes into and how to be answered under relatively low financial cost Fit good electric conductivity and mechanical property become important subject.Therefore, the present invention uses carbon nanotube and superconduction charcoal simultaneously It is black to be used as conductive filler, based on carbon nanotube conducting access, supplemented by superconduction carbon black, meanwhile, in order to reduce carbon nanotube and surpass Leading the content of carbon black reduces the production cost of complex, and do not influence the conductive and mechanical properties of complex, and the present invention is simultaneously Inorganic toughening modifying filler nanometer calcium carbonate is added into polymeric matrix.Nano-calcium carbonate is as inorganic toughening uniform filling Dispersion in the base, effect can be excluded by volume and increases the possibility that mutually overlaps between carbon nanotube, enhancing polymerization The electric conductivity of object, and can be reached by inorganic solid particles and basal body interface unsticking effect to complex activeness and quietness purpose.For Nano-calcium carbonate is made to uniformly disperse in the base, avoids agglomeration occurs influencing the performance of complex, the present invention selects hard The nm-class active calcium carbonate of resin acid processing, while in order to improve the dispersibility and bonding between nano-calcium carbonate and polymeric matrix Power carries out surface modification using titanate coupling agent to nano-calcium carbonate, improves its compatibility with matrix.
High-strength and high-conductivity composite material in order to obtain, the present invention select high density polyethylene (HDPE) as polymeric matrix, carbon Nanotube and superconduction carbon black are conductive filler, while add the nm-class active calcium carbonate of stearic acid processing and titanate esters coupling.It leads Carbon nanotube and superconduction carbon black are according to 1 in electric filler：2 ratio addition, mass fraction shared by carbon nanotube are 3%~7%, phase The mass fraction of superconduction carbon black answered is 6%~14%；The shared mass fraction of nm-class active calcium carbonate is 10%~30%；Titanium The content of acid esters coupling agent is nm-class active calcium carbonate 2%~5%, and the mass fraction of high density polyethylene (HDPE) is 49%~81%.
(2) deformable polymer and sensitivity determine：
By indoor tension test, the relation curve between polymer resistive and deformation is obtained, obtains the function between the two Relationship：Ω/Ω0=F (ε), wherein Ω0For polymer initial resistance, Ω measures resistance, Ω/Ω when being polymer tension test0 It is called normalized resistance rate, ε is strain value.
(3) grid shape is determining：
Existing grid, which is typically due to itself frictional resistance, not enough leads to occur grid sliding phenomenon in reinforcing body in engineering Generation, influence the using effect of grid, to solve the above-mentioned problems, while grid deformation and electricity can be determined more accurately Functional relation between resistance, the present invention have carried out grid design as shown in Figure 2,3.As shown in Fig. 2, grid be divided into main rib 1, Auxiliary rib 2 and node 3 are formed, and main rib 1 is relatively thick, for main conductive path and provide main longitudinal stretching force, and auxiliary rib is thinner, are used To assist main rib and provide lateral tensile force.Fig. 3 is main rib and node schematic diagram, and main rib is equipped with the main rib protrusion of broken line arrangement 4, node protrusion 5 is diagonally disposed on node, raised height is 3mm or so, and shape is as shown in the figure, its effect is increase Contact area between grid and reinforcing body with increasing friction force, prevents grid under the action of external force application due to rubbing not Opposite the phenomenon that sliding occurs with reinforcing body enough.
Example 1：The preparation of high-strength and high-conductivity geotechnique's sound of laughing grid
TGXG can be used for the subgrade and pavement enhancing in highway, airport, parking lot etc., and the magnitude of traffic flow and load are all Very greatly, therefore the intensity to grid and toughness propose higher requirement.In order to prepare the grid of high-intensity and high-tenacity, 70g is taken Carbon nanotube, 140g superconduction carbon blacks, 200g nm-class active calcium carbonates and 10g titanate coupling agents, the quality of high density polyethylene (HDPE) For 580g.Carbon nanotube, superconduction carbon black and nm-class active calcium carbonate dry one hour at 80~100 DEG C in baking oven respectively to be gone It is wet；Subsequent titanate coupling agent is uniformly mixed with nm-class active calcium carbonate；By polyethylene, carbon nanotube, superconduction carbon black and mix The coupling agent got togather uniformly mixes merga pass double screw extruder with nm-class active calcium carbonate at a temperature of 160~210 DEG C again Melt pelletization, finally mechanics test specimen is made in melting on injection molding machine.By the test to mechanics test specimen tension test, its tension is obtained Intensity reaches 25.68MPa.
Example 2：Application of the sensing grid in engineering of high intensity, high frictional resistance
TGXG in road and architectural engineering can with soil mass consolidation, prevent the generation of differential settlement, passed to prepare Sense type TGXG, it is respectively 6% and 12% to select carbon nanotube and the content of carbon black, and nm-class active calcium carbonate is containing measurement 20%, coupling agent is the 5% of nm-class active calcium carbonate content, and high density polyethylene (HDPE) matrix content is 61%, and the making of grid walks Rapid such as example 1 is identical.It is measured through laboratory test, tensile strength reaches 22.51MPa, normalized resistance rate and strain stress relation Formula is：Wherein：Ω0Represent resistance when grid initial resistance and stretcher strain, ε respectively with Ω It is strained for grid.Normalized resistance rate is as shown in Figure 4 with the variation relation matched curve of strain.In Practical Project, pass through test The variation of grid resistance under stress, you can accurately judgement is carried out timely to its deformation, reduces inspection The cost of survey, it ensure that the security reliability of engineering.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention. A variety of modifications of embodiment will be apparent for those skilled in the art, it is as defined herein general Principle can be realized in other embodiments without departing from the spirit or scope of the present invention, is not described in detail Part, be the prior art, herein without repeating.Therefore, the present invention is not intended to be limited to these implementations shown in this article Example, and it is to fit to the most wide range consistent with principles disclosed herein and feature.

Claims (2)

1. a kind of sensing type geo-grid material, it is characterised in that：Including polymeric matrix, carbon is added in the polymeric matrix Nanotube and superconduction carbon black are as conductive filler；
The polymeric matrix is high density polyethylene (HDPE) matrix, and the carbon nanotube accounts for the 3%-7% of raw material gross mass, the superconduction Carbon black accounts for the 6%-14% of raw material gross mass；
The mass ratio of the carbon nanotube and the superconduction carbon black is 1:2；
Nm-class active calcium carbonate is added in the conductive filler, the nm-class active calcium carbonate accounts for the 10%-30% of raw material gross mass；
Titanate coupling agent is added in the nm-class active calcium carbonate, the titanate coupling agent is the nm-class active calcium carbonate The 2%-5% of quality.
2. a kind of sensing type TGXG structure, it is characterised in that：Formed by material preparation described in claim 1, including by The main rib and auxiliary rib, the main rib for being added to the polymer composition of conductive filler are connected with auxiliary rib at node, the main rib Diameter is more than the diameter of the auxiliary rib；According to the relationship between the polymer resistive and deformation, by measuring the polymer Resistance value, obtain TGXG structure deformation values；
The longitudinally parallel arrangement of main rib, the main rib is equipped with continuous protrusion, described raised along the surface of the main rib Broken line type is arranged；
The node is equipped with protrusion, and the protrusion is arranged along the diagonal line style of the node；
The auxiliary rib diagonally with the main rib interconnection；
The height of the protrusion is 2-4mm.
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AU2018303344A1 (en) * 2017-07-20 2020-03-05 Imagine Intelligent Materials Ltd Geosynthetic sensor array
CN109467783A (en) * 2018-11-08 2019-03-15 上海应用技术大学 A kind of polyethylene/carbon nanotube conducting material and preparation method thereof
CN109459094B (en) * 2018-12-29 2023-11-21 山东大学 Grating displacement testing system and method based on ten-axis sensor
CN110846965A (en) * 2019-10-15 2020-02-28 中国科学院武汉岩土力学研究所 Method for reinforcing and widening roadbed of geocell based on conductive polymer

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CN101454393A (en) * 2007-03-01 2009-06-10 Prs地中海有限公司 High performance geosynthetic article
CN103334419A (en) * 2013-07-16 2013-10-02 山东大学 Novel geogrid with ground anchors attached
CN104139541A (en) * 2014-06-25 2014-11-12 山东大学 Method for preparing sensing type plastic geogrids

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US8916651B2 (en) * 2010-04-20 2014-12-23 Florida State University Research Foundation, Inc. Composite materials and method for making high-performance carbon nanotube reinforced polymer composites

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Publication number Priority date Publication date Assignee Title
CN101454393A (en) * 2007-03-01 2009-06-10 Prs地中海有限公司 High performance geosynthetic article
CN103334419A (en) * 2013-07-16 2013-10-02 山东大学 Novel geogrid with ground anchors attached
CN104139541A (en) * 2014-06-25 2014-11-12 山东大学 Method for preparing sensing type plastic geogrids

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