CN206266976U - One kind can coil flexible emergent road surface - Google Patents

One kind can coil flexible emergent road surface Download PDF

Info

Publication number
CN206266976U
CN206266976U CN201621371273.8U CN201621371273U CN206266976U CN 206266976 U CN206266976 U CN 206266976U CN 201621371273 U CN201621371273 U CN 201621371273U CN 206266976 U CN206266976 U CN 206266976U
Authority
CN
China
Prior art keywords
adhesive plaster
polyurethane adhesive
polyurethane
support bar
road surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201621371273.8U
Other languages
Chinese (zh)
Inventor
董凡
安康
陈晓伟
刘艳秀
苏保年
王立在
王彦丽
李强
关亮亮
杨晓
付清云
葛顺顺
廖志超
张惠杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Yan Yangxin Material Technology Development Co Ltd
Beijing Guanghua Textile Group Co Ltd
Original Assignee
Beijing Yan Yangxin Material Technology Development Co Ltd
Beijing Guanghua Textile Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Yan Yangxin Material Technology Development Co Ltd, Beijing Guanghua Textile Group Co Ltd filed Critical Beijing Yan Yangxin Material Technology Development Co Ltd
Priority to CN201621371273.8U priority Critical patent/CN206266976U/en
Application granted granted Critical
Publication of CN206266976U publication Critical patent/CN206266976U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Road Paving Structures (AREA)

Abstract

Flexible emergent road surface can be coiled the utility model discloses one kind, belongs to emergent technical field of road design temporarily.The emergent road surface includes the first polyurethane adhesive plaster, the second polyurethane adhesive plaster, enhancement layer adhesive plaster, reinforcement support bar and polyurea coating;Strengthen support bar to be equally spaced horizontally set on the first polyurethane adhesive plaster along the first polyurethane adhesive plaster length direction;Second polyurethane adhesive plaster is covered to strengthening on support bar, reinforcement support bar is closely wrapped in and is pressed in the closing space for being formed by the first polyurethane adhesive plaster and the second polyurethane adhesive plaster;Enhancement layer adhesive plaster is arranged at the both sides of the second polyurethane adhesive plaster along the second polyurethane adhesive plaster length direction;Polyurea coating is arranged at the surface of enhancement layer adhesive plaster and the second polyurethane adhesive plaster.It is of the present utility model to coil flexible emergent road surface, can continuously be used in low bearing capacity region, meet in special region in emergency circumstances, demand is built to interim emergent road.

Description

One kind can coil flexible emergent road surface
Technical field
The utility model is related to technical field of road design of meeting an urgent need temporarily, more particularly to one kind to be applied to public safety, money Source exploitation, building, accident emergency repairing etc. carry out the emergent road surface of the flexibility coiled of temporary road construction.
Background technology
In the current highway construction of China, to express zone, such as sandy beach, farmland, wetland, soft and muddy low carrying The temporarily emergent road construction development of power region is relatively slow.In order to realize being passed through under this road, the technology for generally using Scheme has:1) building reinforces road;2) reassembling type road surface connection;3) mechanization laying.Wherein, it is conventional that building reinforces road Method is, it is necessary to substantial amounts of engineering materials, slowly, time-consuming work consuming is big for speed of application;The connection of reassembling type road surface needs previously prepared splicing Road plate, scene splicing when using, splicing road plate weight is big, lays and removes and receives inconvenient, and connection speed is slow, is prepared material and fortune The influence of Movement Capabilities, splices limited length;Mechanization laying be by net fibric and strengthen support bar group into temporarily emergent road Road.According to the difference of load capacity, the temporarily emergent road of mechanization laying can be divided into light-duty, medium-sized and heavy type.Wherein, it is light-duty Emergent road is made into net fibric by high-strength polyethylene or aramid fiber temporarily, and centre insertion plastics or steel bracing piece are constituted; Medium-sized temporarily emergent road is molded into plate by polypropylene, is connected and composed with clasp between plate;Heavy temporarily emergent road need to first do Into steel plate, aluminium sheet or polyethylene injection molding plates, connected and composed with clasp between plate.Above-mentioned three kinds roads of meeting an urgent need temporarily, to roadbed bar Part has a strict requirements, and fabricates that level is high, constructing operation difficulty is big so that the use of interim emergent road is subject to Limitation, increased the manufacturing cost of interim emergent road construction, in-convenience in use, so as to seriously constrain emergent road temporarily Application development.
Utility model content
In order to solve existing interim emergent road in-convenience in use, applicable elements requirement is strict and manufacturing cost is high etc. asks Topic, the utility model provides one kind and can coil flexible road surface of meeting an urgent need, including the first polyurethane adhesive plaster, the second polyurethane adhesive plaster, Enhancement layer adhesive plaster, reinforcement support bar and polyurea coating;The reinforcement support bar is along the first polyurethane adhesive plaster length direction Equally spaced it is horizontally set on first polyurethane adhesive plaster;Second polyurethane adhesive plaster is covered to the reinforcement support bar On, the reinforcement support bar is closely wrapped in and pressed and formed by first polyurethane adhesive plaster and the second polyurethane adhesive plaster Closing space in;The enhancement layer adhesive plaster is arranged at second polyurethane along the second polyurethane adhesive plaster length direction The both sides of adhesive plaster;The polyurea coating is arranged at the surface of the enhancement layer adhesive plaster and second polyurethane adhesive plaster.
The structure of first polyurethane adhesive plaster and the second polyurethane adhesive plaster includes textile reinforcement, prime coat, poly- ammonia Ester upper glue layer and polyurethane lower glue layer;The prime coat is respectively arranged at the upper and lower surface of the textile reinforcement;Institute State polyurethane upper glue layer to be arranged on the prime coat of the textile reinforcement upper surface, the polyurethane lower glue layer is arranged at described On the prime coat of textile reinforcement lower surface.
It is described strengthen support bar cross section structure be with two ellipsoidal structures of cavity, depth of section be 20cm~ 30cm。
The utility model provide coiled flexibility meet an urgent need road surface, by the first polyurethane adhesive plaster, the second polyurethane adhesive plaster, Enhancement layer adhesive plaster, reinforcement support bar and polyurea coating composition, with simple structure, good airproof performance, oil resistant, water-fast, ageing-resistant, ring The advantages of border strong adaptability, can continuously be used in the low bearing capacity region such as sandy beach, farmland, wetland, soft and muddy, and pass through Manually or mechanically realize laying and wind, so as to meet in special region in emergency circumstances, interim emergent road is repaiied Build demand.
Brief description of the drawings
Fig. 1 is the side structure schematic diagram that the utility model embodiment can coil flexible emergent road surface;
Fig. 2 is the laying schematic diagram that the utility model embodiment can coil flexible emergent road surface;
Fig. 3 is the structural representation of the utility model embodiment polyurethane adhesive plaster;
Fig. 4 is the floor map of the textile reinforcement that the utility model embodiment has basket weave structure;
Fig. 5 is the cross section structure schematic diagram that the utility model embodiment strengthens support bar;
Fig. 6 is that the utility model embodiment can coil flexible emergent road surface adhesive plaster heat seal Fundamentals of Welding schematic diagram;
Fig. 7 is the preparation method flow chart that the utility model embodiment can coil flexible emergent road surface.
Specific embodiment
With reference to the accompanying drawings and examples, technical solutions of the utility model are further described.
Referring to Fig. 1 and Fig. 2, the emergent road surface of the flexibility coiled that the utility model embodiment is provided, including the first polyurethane Adhesive plaster 101, the second polyurethane adhesive plaster 102, enhancement layer adhesive plaster 103, reinforcement support bar 104 and polyurea coating 105.Wherein, strengthen Support bar 104 is equally spaced horizontally set on the first polyurethane adhesive plaster 101 along the length direction of the first polyurethane adhesive plaster 101; The covering of second polyurethane adhesive plaster 102 makes reinforcement support bar 104 be closely wrapped in and is gathered by first to strengthening on support bar 104 In the closing space that the pressing of 101 and second polyurethane adhesive plaster of urethane adhesive plaster 102 is formed;Enhancement layer adhesive plaster 103 is along the second poly- ammonia The length direction of ester gum cloth 102 is arranged at the both sides of the second polyurethane adhesive plaster 102;Polyurea coating 105 is arranged at enhancement layer adhesive plaster 103 With the surface of the second polyurethane adhesive plaster 102.
Referring to Fig. 3, the first polyurethane adhesive plaster 101 and the second polyurethane adhesive plaster 102 have identical structure, specifically include and knit Thing enhancement layer 11, prime coat 12, polyurethane upper glue layer 13 and polyurethane lower glue layer 14.Wherein, prime coat 12 is respectively arranged at and knits The upper and lower surface of thing enhancement layer 11;Polyurethane upper glue layer 13 is arranged on the prime coat of the upper surface of textile reinforcement 11, Polyurethane lower glue layer 14 is arranged on the prime coat of the lower surface of textile reinforcement 11.Textile reinforcement 11 is fine using high-strength polyester Dimension (dacron thread) weaving is formed, and is basket weave structure (as shown in Figure 4), with resistance to day light aging, tensile strength be high, moisture absorption ratio Small, dimensional stability and it is heat-resist the advantages of.
As shown in figure 5, the cross section structure for strengthening support bar 104 is with two ellipsoidal structures of cavity, depth of sections It is 20cm~30cm.Strengthen support bar 104 to be prepared from using carbon fibre composite, with flexural strength and bending strength The advantages of height, long service life.
Referring to Fig. 6 and Fig. 7, the utility model embodiment can coil the preparation method on flexible emergent road surface, including following step Suddenly:
Step 201:Using h and wear-resisting type polyurethane for enhancement layer adhesive plaster.
H is added in circular weaving machine, the warp thread specification of circular weaving machine is 3000D × 5, weft yarn specification is 6000D × 3, weft count are 32.4/10cm, knit out the ring billet enhancement layer with twill-weave structure, a width of 424- of its pleat 428mm;The extruded machine extrusion of wear-resisting type polyurethane is entered into mould jointly with ring billet enhancement layer, mould temperature is 190-200 DEG C, the rate of extrusion of extruder be 16.5-18.5 revs/min, pulling speed be 500 revs/min;In mould Middle ring billet enhancement layer is by melting polyurethane extrusion pressure higher in mould, yarn of the partial melting polyurethane from ring billet enhancement layer Line gap is pressed into its inner side and coated formation inner glue layer, and the residue melting coated formation outer glue-line of polyurethane forms cylindric And the inside and outside glue-line coating fabric with enhancement layer skeleton structure, obtain sheet enhancement layer adhesive plaster by cutting.The production technology The physical strength of enhancement layer adhesive plaster can be effectively improved, is mainly manifested in:Stretch breaking strength (warp, broadwise) >=10000N/25mm, anti-thorn Wear strength >=5000N, tearing toughness (warp, broadwise) >=1000N.
Step 202:Using h and wear-resisting type polyurethane for the first polyurethane adhesive plaster and the second poly- ammonia Ester gum cloth.
1) h (dacron thread) is added in rapier loom, the warp thread specification of rapier loom is 2000D, Weft yarn specification is 3000D, weft count is 17.0/10cm, lower machine breadth 173mm-177mm, is knit out with basket weave knot The textile reinforcement of structure;Basket weave structure yarn is more loose, and big glue fourth can be formed when polyurethane penetrates into textile reinforcement, from And adhesive plaster peel strength is effectively improved, while also having good planarization and puncture resistance.
2) mixture for being constituted by the use of ethyl acetate and aqueous polyurethane adhesive is as pretreating agent to textile reinforcement Pre-processed, in pretreating agent is fully penetrated into the fibr tissue and yarn of textile reinforcement, then textile reinforcement is passed through The groove containing pretreating agent is crossed, pretreating agent absorption is carried out, unnecessary liquid measure, drying is rolled, pretreating agent is strengthened in fabric Layer upper and lower surface forms one layer of uniform prime coat.Textile reinforcement can so be made has permeance property higher, from And the intermiscibility of textile reinforcement and polyurethane is improved, increase the contact surface of polyurethane and fiber.
3) wear-resisting type polyurethane is separately added into the first extruder and the second extruder, and the fabric with prime coat is increased In strong layer feeding extrusion die, extruder die temperature is 195-205 DEG C, the rate of extrusion of the first extruder and the second extruder is 9-10 revs/min, pulling speed be 400 revs/min;Polyurethane is clamp-oned extrusion mould by the first extruder and the second extruder respectively In tool, there is chemical crosslinking and combine in polyurethane, and in the presence of extrusion pressure, polyurethane exists with textile reinforcement and prime coat The upper and lower surface of prime coat coats to form the upper and lower glue-line of polyurethane.Polyurethane glue-line and fabric can so be effectively improved The combination of enhancement layer strongly, makes plunger bond strength >=200N/25mm, anti-puncture strength >=1000N, tearing toughness (warp, latitude To) >=180N.
Step 203:Support bar will be strengthened and be equally spaced horizontally set at first along the first polyurethane adhesive plaster length direction On polyurethane adhesive plaster.
First polyurethane adhesive plaster, the second polyurethane adhesive plaster and enhancement layer adhesive plaster are flexible materials, for provide frictional force, The performances such as anti-skidding, Auxiliary support, it is impossible to independent bearing weight.Strengthening the emergent road surface support of support bar imparting, load-bearing and holding should The effect of anxious evenness of road surface, the characteristic for strengthening support bar determines intensity, rigidity and the service life on emergent road surface.Strengthen support Bar material select, cross section structure and insert the aspects such as spacing must reach as follows require:
1) single reinforcement support bar will have lifting surface area wider, so that it increases with the contact area on ground, it is maximum Pressure of the reduction of limit to ground;
2) depth of section is moderate, preferably 20cm~30cm;Cross section structure is cavity structure;
3) spacing 16cm (spacing of adjacent two reinforcements support bar) is inserted, it is ensured that there are 2~4 to add under the logical load state of vehicle Strong support bar is while stress, it is to avoid stress produces deformation and is destroyed single reinforcement support bar alone;
4) performance indications that reinforcement support bar must reach include:Material, high performance composites are (for example, carbon fiber Composite);Length≤4m, quality≤1.75kg/m.
Based on above-mentioned technical requirements, the utility model embodiment is answered from the carbon fiber with high specific strength and high ratio modulus The reinforcement support bar of condensation material.Strengthen support bar with carbon fiber as reinforcing material, epoxy resin is matrix, by continuous pultrusion into The method manufacture of type.
Step 204:Second polyurethane adhesive plaster is covered to reinforcement support bar, and by hot blast heat seal solder technology, is made Reinforcement support bar is closely wrapped in be pressed in the closing space for being formed by the first polyurethane adhesive plaster and the second polyurethane adhesive plaster; Hot blast heat seal welding condition is:1.2~2.0A of heat seal electric current, cool time >=5s, heat seal width 28-32mm.
Step 205:Enhancement layer adhesive plaster is arranged at the second polyurethane adhesive plaster along the second polyurethane adhesive plaster length direction Both sides, and enhancement layer adhesive plaster is closely pressed with the second polyurethane adhesive plaster by high frequency heat seal solder technology;High frequency heat seal is welded Condition is:2.0~2.5A of heat seal electric current, cool time >=10s, heat seal width 28-32mm.
Step 206:Carbamide paint is sprayed at the surface of enhancement layer adhesive plaster and the second polyurethane adhesive plaster, polyureas is formed and is applied Layer, and polyurea coating is bonded jail with enhancement layer adhesive plaster and the second polyurethane adhesive plaster by being chemically crosslinked and solidifying adhering technique Gu.
In actual applications, hot blast heat seal solder technology has the advantages that continuity is good, controllability is strong, it is efficient to operate, high Frequency heat seal solder technology has the advantages that adhesive strength is high, durable.The utility model embodiment passes through hot blast heat seal and height The combination of frequency heat seal solder technology, to meet an urgent need road surface each part carry out heat seal processing, realize seam firmly, sealing Uniformly, the molded target of flat appearance, steady quality.
The emergent road surface of the flexibility coiled that the utility model embodiment is provided, by the first polyurethane adhesive plaster, the second poly- ammonia Ester gum cloth, enhancement layer adhesive plaster, strengthen support bar and polyurea coating composition, with simple structure, good airproof performance, oil resistant, water-fast, resistance to It is aging, the advantages of environmental suitability is strong, can continuously be used in the low bearing capacity region such as sandy beach, farmland, wetland, soft and muddy, And by manually or mechanically realizing laying and winding, so as to meet in special region in emergency circumstances, to interim emergent Road builds demand.The utility model embodiment can coil the preparation method on flexible emergent road surface, by hot blast heat seal and height Frequency heat seal solder technology is combined, and makes the bonding strength uniformity of whole seams on emergent road surface adhesive plaster, and is applied using polyureas Layer spraying technology, complete protective layer is formed in emergent road crust, improve the bulk strength on emergent road surface, resistance to marring and Wearability, has the advantages that simple production process, low cost of manufacture.
In public safety field:The natural calamities such as current earthquake, flood, heavy snow take place frequently, chemical leakage, dangerous material blast Also occurred repeatedly etc. artificial burst accident., it is necessary to sue and labour in time, transport manpower, goods and materials and equipment and arrive after disaster accident generation Up to the scene of suing and labouring, delay rescue because of road damage, no traffic route or facility of not suing and labouring sometimes.It is exactly raw in the time Life, the time-consuming special occasion that can just reduce loss, meeting an urgent need road surface using the flexibility coiled of the utility model embodiment can It is current with support vehicles, emergency set is effectively sued and laboured within the limited time, personnel and property are reduced to greatest extent Loss, the important leverage as reply disaster, rescue life and property.
In resource exploitation field:Resource exploitation and the basis that use is China's economic construction and social development." 12 " Since, China continues to increase to the demand of oil, natural gas, coal, metal, rare metal, rare earth equal energy source.To existing mineral reserve Exploration and exploitation, the most areas complicated in environment of these work are carried out, Tune spread, away from base, mobile operational process, people Member, equipment, equipment need to realize migration by Automobile Transportation.But, in complexity such as plateau, sandy beach, mountain region, marsh, jungles Landform Special section, it is extremely difficult that conventional automotive vehicle is advanced.The emergent road surface of the flexibility coiled of the utility model embodiment can To overcome the limitation of above-mentioned MODEL OVER COMPLEX TOPOGRAPHY, meet domestic correlation energy unit and requirement is supported the use to road surface of meeting an urgent need.
In building field:With China's economic development and the quickening of Urbanization Construction, the demand built to all kinds is not It is disconnected to increase, while with the exacerbation of air pollution degree, the environmental requirement to construction is also being improved constantly.Because construction is existing Temporary road be usually that, using the set prefabricated board of laying, and prefabricated board can only single use, it is impossible to reclaim, especially Its temporary road not high to some frequency of use, causes the wasting of resources.The flexibility coiled of the utility model embodiment is met an urgent need Road surface can be recycled, and can improve the efficiency of construction at building field scene, reach energy-conserving and environment-protective, it is to avoid manpower, time, money The waste in source.
The field in terms of accident emergency repairing:Such as in petroleum pipeline conveying, because during the reason such as artificial or natural calamity There are the accidents such as piping failure, rupture, Oil spills, and the pipeline majority of transfer oil passes through complicated geology area, lacks Means of transportation, repairing facility cannot be transported to scene in time so that rescue cannot launch.The utility model embodiment is coiled The emergent road surface of flexibility can meet the supporting requirement of this respect, ensure that the temporary road of complex area is quickly laid, and improving accident should The timely feasibility of anxious repairing.
Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect Step is described in detail, be should be understood that and be the foregoing is only specific embodiment of the utility model, is not limited to this Utility model, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements done etc. all should be wrapped It is contained within protection domain of the present utility model.

Claims (3)

1. one kind can coil flexible emergent road surface, it is characterised in that including the first polyurethane adhesive plaster, the second polyurethane adhesive plaster, add Strong layer adhesive plaster, reinforcement support bar and polyurea coating;The reinforcement support bar is along described first polyurethane adhesive plaster length direction etc. Compartment of terrain is horizontally set on first polyurethane adhesive plaster;Second polyurethane adhesive plaster is covered to the reinforcement support bar On, the reinforcement support bar is closely wrapped in and pressed and formed by first polyurethane adhesive plaster and the second polyurethane adhesive plaster Closing space in;The enhancement layer adhesive plaster is arranged at second polyurethane along the second polyurethane adhesive plaster length direction The both sides of adhesive plaster;The polyurea coating is arranged at the surface of the enhancement layer adhesive plaster and second polyurethane adhesive plaster.
2. flexible emergent road surface can be coiled as claimed in claim 1, it is characterised in that first polyurethane adhesive plaster and second The structure of polyurethane adhesive plaster includes textile reinforcement, prime coat, polyurethane upper glue layer and polyurethane lower glue layer;The prime coat It is respectively arranged at the upper and lower surface of the textile reinforcement;The polyurethane upper glue layer is arranged at the textile reinforcement On the prime coat of upper surface, the polyurethane lower glue layer is arranged on the prime coat of the textile reinforcement lower surface.
3. flexible emergent road surface can be coiled as claimed in claim 1, it is characterised in that the cross section structure of the reinforcement support bar Be with two ellipsoidal structures of cavity, depth of section be 20cm~30cm.
CN201621371273.8U 2016-12-14 2016-12-14 One kind can coil flexible emergent road surface Withdrawn - After Issue CN206266976U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621371273.8U CN206266976U (en) 2016-12-14 2016-12-14 One kind can coil flexible emergent road surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621371273.8U CN206266976U (en) 2016-12-14 2016-12-14 One kind can coil flexible emergent road surface

Publications (1)

Publication Number Publication Date
CN206266976U true CN206266976U (en) 2017-06-20

Family

ID=59045449

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621371273.8U Withdrawn - After Issue CN206266976U (en) 2016-12-14 2016-12-14 One kind can coil flexible emergent road surface

Country Status (1)

Country Link
CN (1) CN206266976U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106522058A (en) * 2016-12-14 2017-03-22 北京燕阳新材料技术发展有限公司 Coilable flexible emergency pavement and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106522058A (en) * 2016-12-14 2017-03-22 北京燕阳新材料技术发展有限公司 Coilable flexible emergency pavement and preparation method thereof
CN106522058B (en) * 2016-12-14 2019-03-22 北京燕阳新材料技术发展有限公司 One kind can coil flexible emergency road surface and preparation method thereof

Similar Documents

Publication Publication Date Title
CN106522058B (en) One kind can coil flexible emergency road surface and preparation method thereof
AU2013333797B8 (en) Lining tube, renovated pressure pipe and method for renovating a pressure pipe
CN106032867B (en) The method and its pipeline of pipeline non-excavation rehabilitation reinforcement are carried out with light cured fiber enhancing composite material
KR101424649B1 (en) A pipe repair tube with reinforced crack- resistant property
US5879778A (en) Strengthening of structural members
CN1276024C (en) Strengthening carbon fiber composite material and method for repairing defective pipeline
CN206266976U (en) One kind can coil flexible emergent road surface
CN110284608A (en) A kind of Fiber Reinforced Concrete water-proof composite material
CN104453939B (en) Rail tunnel lightweight compound material supporting structural member and installation method thereof
CN206635644U (en) A kind of waterproof structure of highway bridge
US20140124081A1 (en) Spirally waved synthetic resin conduit with coupling, and connection structure for spirally waved synthetic resin conduit
CN106042526B (en) A kind of elongated yarn enhanced fiber composite material in centre and its production method
WO2018076490A1 (en) Straight pipe for comprehensive bamboo composite pipe gallery, and pipe gallery comprising same
CN107813568A (en) A kind of the multilayer flashing coiled material and its production technology of compound interior enhancing fabric
CN107083820A (en) A kind of bamboo wood-steel clamp heart pipe
US7504144B2 (en) Multilayer textile reinforcement web
CN211143513U (en) SBS modified asphalt waterproof coiled material with double-layer matrix
WO2018076493A1 (en) Splicing pipe for comprehensive bamboo composite pipe gallery, and pipe gallery comprising same
CN106958323A (en) The light steel pipe timber with small diameter combination load-bearing pillar and the practice of a kind of band point chamber steel plate
CN113002077A (en) Continuous fiber reinforced thermoplastic geogrid mesh belt
CN219096166U (en) Polymer membrane base modified asphalt waterproof coiled material and waterproof engineering composite structure
CN101451388A (en) Automatic water stopping type waterproof roll
CN221366116U (en) Special high-strength rough surface composite film for ore warehouse
CN214301600U (en) Staggered-layer lapping rubber dam bag body
CN102673058A (en) Bittern-resistant fabric coating cloth and application of same in bittern ditches

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20170620

Effective date of abandoning: 20190322

AV01 Patent right actively abandoned